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ORTHOPEDICS AND TRAUMATOLOGY (150 journals)                     

Showing 1 - 152 of 152 Journals sorted alphabetically
Acta Orthopaedica     Open Access   (Followers: 32)
Advances in Orthopedics     Open Access   (Followers: 9)
American Journal of Orthodontics and Dentofacial Orthopedics     Hybrid Journal   (Followers: 9)
American Journal of Orthopedics     Partially Free   (Followers: 3)
Archives of Orthopaedic and Trauma Surgery     Hybrid Journal   (Followers: 9)
Archives of Osteoporosis     Hybrid Journal   (Followers: 1)
Arthritis und Rheuma     Hybrid Journal  
Arthroplasty Today     Open Access   (Followers: 1)
Australasian Musculoskeletal Medicine     Full-text available via subscription   (Followers: 5)
BMC Musculoskeletal Disorders     Open Access   (Followers: 29)
Bone & Joint 360     Full-text available via subscription   (Followers: 18)
Bone Research     Hybrid Journal   (Followers: 2)
Burns & Trauma     Open Access   (Followers: 11)
Cartilage     Hybrid Journal   (Followers: 5)
Case Reports in Orthopedic Research     Open Access  
Case Reports in Orthopedics     Open Access   (Followers: 6)
Chinese Journal of Traumatology     Open Access  
Cleft Palate-Craniofacial Journal     Hybrid Journal   (Followers: 8)
Clinical Medicine Insights : Arthritis and Musculoskeletal Disorders     Open Access   (Followers: 3)
Clinical Orthopaedics and Related Research     Hybrid Journal   (Followers: 78)
Clinical Trials in Orthopedic Disorders     Open Access   (Followers: 1)
Concussion     Open Access  
Craniomaxillofacial Trauma and Reconstruction     Hybrid Journal   (Followers: 1)
Current Orthopaedic Practice     Hybrid Journal   (Followers: 14)
Current Reviews in Musculoskeletal Medicine     Open Access   (Followers: 13)
Der Orthopäde     Hybrid Journal   (Followers: 6)
Die Wirbelsäule     Hybrid Journal  
Duke Orthopedic Journal     Open Access   (Followers: 5)
East African Orthopaedic Journal     Full-text available via subscription  
EFORT Open Reviews     Open Access   (Followers: 1)
Egyptian Orthopaedic Journal     Open Access   (Followers: 1)
EMC - Técnicas Quirúrgicas - Ortopedia y Traumatología     Full-text available via subscription  
EMC - Tecniche Chirurgiche - Chirurgia Ortopedica     Full-text available via subscription  
Ergonomics     Hybrid Journal   (Followers: 22)
European Journal of Orthopaedic Surgery & Traumatology     Hybrid Journal   (Followers: 9)
European Journal of Podiatry / Revista Europea de Podología     Open Access   (Followers: 1)
European Spine Journal     Hybrid Journal   (Followers: 24)
Foot & Ankle International     Hybrid Journal   (Followers: 10)
Foot & Ankle Orthopaedics     Open Access   (Followers: 3)
Gait & Posture     Hybrid Journal   (Followers: 17)
Geriatric Orthopaedic Surgery Rehabilitation     Open Access   (Followers: 5)
Global Spine Journal     Open Access   (Followers: 12)
Hip International     Hybrid Journal  
Indian Journal of Orthopaedics     Open Access   (Followers: 8)
Informationen aus Orthodontie & Kieferorthopädie     Hybrid Journal  
Injury     Hybrid Journal   (Followers: 20)
International Journal of Orthopaedic and Trauma Nursing     Hybrid Journal   (Followers: 11)
International Journal of Orthopaedic Surgery     Open Access   (Followers: 5)
International Journal of Orthopaedics     Open Access   (Followers: 2)
International Journal of Research in Orthopaedics     Open Access  
International Musculoskeletal Medicine     Hybrid Journal   (Followers: 7)
International Orthopaedics     Hybrid Journal   (Followers: 18)
JAAOS : Global Research & Reviews     Open Access   (Followers: 1)
JBJS Journal of Orthopaedics for Physician Assistants     Hybrid Journal  
JBJS Reviews     Full-text available via subscription   (Followers: 11)
JOR Spine     Open Access   (Followers: 3)
Journal de Traumatologie du Sport     Full-text available via subscription   (Followers: 2)
Journal für Mineralstoffwechsel & Muskuloskelettale Erkrankungen     Hybrid Journal  
Journal of Bone and Joint Diseases     Open Access   (Followers: 4)
Journal of Bone and Joint Infection     Open Access   (Followers: 1)
Journal of Brachial Plexus and Peripheral Nerve Injury     Open Access   (Followers: 4)
Journal of Cachexia, Sarcopenia and Muscle     Open Access   (Followers: 2)
Journal of Children's Orthopaedics     Open Access   (Followers: 10)
Journal of Clinical Orthopaedics and Trauma     Hybrid Journal   (Followers: 5)
Journal of Experimental Orthopaedics     Open Access   (Followers: 8)
Journal of Hand Surgery (European Volume)     Hybrid Journal   (Followers: 44)
Journal of Head Trauma Rehabilitation     Hybrid Journal   (Followers: 17)
Journal of Musculoskeletal Research     Hybrid Journal   (Followers: 9)
Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie     Hybrid Journal  
Journal of Orthodontic Science     Open Access   (Followers: 2)
Journal of Orthopaedic & Sports Physical Therapy     Full-text available via subscription   (Followers: 69)
Journal of Orthopaedic Association of South Indian States     Open Access   (Followers: 5)
Journal of Orthopaedic Diseases and Traumatology     Open Access   (Followers: 5)
Journal of Orthopaedic Reports     Full-text available via subscription   (Followers: 12)
Journal of Orthopaedic Research     Hybrid Journal   (Followers: 29)
Journal of Orthopaedic Science     Hybrid Journal   (Followers: 4)
Journal of Orthopaedic Surgery     Open Access   (Followers: 1)
Journal of Orthopaedic Surgery and Research     Open Access   (Followers: 8)
Journal of Orthopaedic Translation     Open Access  
Journal of Orthopaedic Trauma     Hybrid Journal   (Followers: 15)
Journal of Orthopaedics     Full-text available via subscription   (Followers: 3)
Journal of Orthopaedics and Allied Sciences     Open Access   (Followers: 9)
Journal of Orthopaedics and Spine     Open Access   (Followers: 3)
Journal of Orthopaedics and Traumatology     Open Access   (Followers: 16)
Journal of Orthopaedics, Trauma and Rehabilitation     Open Access   (Followers: 6)
Journal of Orthopedics & Rheumatology     Open Access  
Journal of Orthopedics, Traumatology and Rehabilitation     Open Access   (Followers: 6)
Journal of Pediatric Orthopaedics     Hybrid Journal   (Followers: 15)
Journal of Prosthetics and Orthotics     Hybrid Journal   (Followers: 14)
Journal of Scleroderma and Related Disorders     Hybrid Journal  
Journal of the American Academy of Orthopaedic Surgeons     Hybrid Journal   (Followers: 12)
Journal of the American Podiatric Medical Association     Full-text available via subscription   (Followers: 8)
Journal of Traumatic Stress     Hybrid Journal   (Followers: 25)
Knee Surgery, Sports Traumatology, Arthroscopy     Hybrid Journal   (Followers: 27)
Multiple Sclerosis and Related Disorders     Hybrid Journal   (Followers: 8)
Musculoskeletal Care     Hybrid Journal   (Followers: 19)
Musculoskeletal Science and Practice     Hybrid Journal   (Followers: 3)
Nigerian Journal of Orthopaedics and Trauma     Open Access  
North American Spine Society Journal (NASSJ)     Open Access   (Followers: 3)
OA Orthopaedics     Open Access   (Followers: 7)
Obere Extremität     Hybrid Journal   (Followers: 1)
Open Journal of Orthopedics     Open Access   (Followers: 3)
Open Journal of Orthopedics and Rheumatology     Open Access  
Open Journal of Trauma     Open Access  
Open Orthopaedics Journal     Open Access  
Operative Orthopädie und Traumatologie     Hybrid Journal  
Operative Techniques in Orthopaedics     Full-text available via subscription   (Followers: 6)
Orthopädie & Rheuma     Full-text available via subscription  
Orthopädie und Unfallchirurgie up2date     Hybrid Journal  
Orthopaedic Journal of Sports Medicine     Open Access   (Followers: 14)
Orthopaedic Nursing     Hybrid Journal   (Followers: 11)
Orthopaedic Proceedings     Partially Free  
Orthopaedic Surgery     Open Access   (Followers: 1)
Orthopaedics & Traumatology: Surgery & Research     Full-text available via subscription   (Followers: 6)
Orthopaedics and Trauma     Full-text available via subscription   (Followers: 28)
Orthopedic Clinics of North America     Full-text available via subscription   (Followers: 5)
Orthopedic Research and Reviews     Open Access   (Followers: 6)
Orthopedic Reviews     Open Access   (Followers: 7)
Orthopedics     Full-text available via subscription   (Followers: 6)
Orthoplastic Surgery     Open Access  
Osteoarthritis and Cartilage     Full-text available via subscription   (Followers: 20)
Osteoarthritis and Cartilage Open     Open Access  
Osteologie     Hybrid Journal  
Osteoporosis and Sarcopenia     Open Access  
OTA International     Open Access  
Paediatric Orthopaedics and Related Sciences     Open Access   (Followers: 3)
Pain Management in General Practice     Full-text available via subscription   (Followers: 12)
Prosthetics and Orthotics International     Hybrid Journal   (Followers: 8)
Revista Brasileira de Ortopedia     Hybrid Journal  
Revista Chilena de Ortopedia y Traumatología / Chilean Journal of Orthopaedics and Traumatology     Open Access  
Revista Colombiana de Ortopedia y Traumatología     Full-text available via subscription  
Revista Cubana de Ortopedia y Traumatologí­a     Open Access  
Revista de la Asociación Argentina de Ortopedia y Traumatología     Open Access  
Revista Española de Cirugía Ortopédica y Traumatología     Full-text available via subscription   (Followers: 1)
Revista Portuguesa de Ortopedia e Traumatologia     Open Access  
Revue de Chirurgie Orthopédique et Traumatologique     Full-text available via subscription   (Followers: 3)
Romanian Journal of Orthopaedic Surgery and Traumatology     Open Access  
SA Orthopaedic Journal     Open Access   (Followers: 2)
SICOT-J     Open Access   (Followers: 1)
Spine     Hybrid Journal   (Followers: 73)
Spine Journal     Hybrid Journal   (Followers: 26)
Sport-Orthopädie - Sport-Traumatologie - Sports Orthopaedics and Traumatology     Full-text available via subscription   (Followers: 3)
Strategies in Trauma and Limb Reconstruction     Open Access   (Followers: 1)
Techniques in Orthopaedics     Hybrid Journal   (Followers: 6)
Therapeutic Advances in Musculoskeletal Disease     Hybrid Journal   (Followers: 5)
Trauma     Hybrid Journal   (Followers: 5)
Trauma (Travma)     Open Access  
Trauma und Berufskrankheit     Hybrid Journal  
Traumatology     Full-text available via subscription   (Followers: 1)
Traumatology and Orthopedics of Russia     Open Access  
Zeitschrift für Orthopädie und Unfallchirurgie     Hybrid Journal   (Followers: 2)
Ортопедия, травматология и протезирование     Open Access  

           

Similar Journals
Journal Cover
Burns & Trauma
Number of Followers: 11  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2321-3876
Published by Oxford University Press Homepage  [419 journals]
  • Collagen triple helix repeat containing-1 promotes functional recovery of
           sweat glands by inducing adjacent microvascular network reconstruction in
           vivo

    • Abstract: AbstractBackgroundSweat glands (SGs) have low regenerative potential after severe burns or trauma and their regeneration or functional recovery still faces many obstacles. In practice, restoring SG function requires not only the structural integrity of the gland itself, but also its neighboring tissues, especially blood vessels. Collagen triple helix repeat containing-1 (CTHRC1) was first identified in vascular repair, and increasing reports showed a close correlation between cutaneous appendage specification, patterning and regeneration. The purpose of the present study was to clarify the role of CTHRC1 in SGs and their adjacent microvessels and find therapeutic strategies to restore SG function.MethodsThe SGs and their adjacent microvascular network of Cthrc1−/− mice were first investigated using sweat test, laser Doppler imaging, tissue clearing technique and transcriptome analysis. The effects of CTHRC1 on dermal microvascular endothelial cells (DMECs) were further explored with cell proliferation, DiI-labeled acetylated low-density lipoprotein uptake, tube formation and intercellular junction establishment assays. The effects of CTHRC1 on SG function restoration were finally confirmed by replenishing the protein into the paws of Cthrc1−/− mice.ResultsCTHRC1 is a key regulator of SG function in mice. At the tissue level, Cthrc1 deletion resulted in the disorder and reduction of the microvascular network around SGs. At the molecular level, the knockout of Cthrc1 reduced the expression of vascular development genes and functional proteins in the dermal tissues. Furthermore, CTHRC1 administration considerably enhanced SG function by inducing adjacent vascular network reconstruction.ConclusionsCTHRC1 promotes the development, morphogenesis and function execution of SGs and their neighboring vasculature. Our study provides a novel target for the restoration or regeneration of SG function in vivo.
      PubDate: Tue, 02 Aug 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac035
      Issue No: Vol. 10 (2022)
       
  • Multifunctional chitosan/gelatin@tannic acid cryogels decorated with in
           situ reduced silver nanoparticles for wound healing

    • Abstract: AbstractBackgroundMost traditional wound dressings only partially meet the needs of wound healing because of their single function. Patients usually suffer from the increasing cost of treatment and pain resulting from the frequent changing of wound dressings. Herein, we have developed a mutifunctional cryogel to promote bacterial infected wound healing based on a biocompatible polysaccharide.MethodsThe multifunctional cryogel is made up of a compositive scaffold of chitosan (CS), gelatin (Gel) and tannic acid (TA) and in situ formed silver nanoparticles (Ag NPs). A liver bleeding rat model was used to evaluate the dynamic hemostasis performance of the various cryogels. In order to evaluate the antibacterial properties of the prepared cryogels, gram-positive bacterium Staphylococcus aureus (S. aureus) and gram-negative bacterium Escherichia coli (E. coli) were cultured with the cryogels for 12 h. Meanwhile, S. aureus was introduced to cause bacterial infection in vivo. After treatment for 2 days, the exudates from wound sites were dipped for bacterial colony culture. Subsequently, the anti-inflammatory effect of the various cryogels was evaluated by western blotting and enzyme-linked immunosorbent assay. Finally, full-thickness skin defect models on the back of SD rats were established to assess the wound healing performances of the cryogels.ResultsDue to its porous structure, the multifunctional cryogel showed fast liver hemostasis. The introduced Ag NPs endowed the cryogel with an antibacterial efficiency of >99.9% against both S. aureus and E. coli. Benefited from the polyphenol groups of TA, the cryogel could inhibit nuclear factor-κB nuclear translocation and down-regulate inflammatory cytokines for an anti-inflammatory effect. Meanwhile, excessive reactive oxygen species could also be scavenged effectively. Despite the presence of Ag NPs, the cryogel did not show cytotoxicity and hemolysis. Moreover, in vivo experiments demonstrated that the biocompatible cryogel displayed effective bacterial disinfection and accelerated wound healing.ConclusionsThe multifunctional cryogel, with fast hemostasis, antibacterial and anti-inflammation properties and the ability to promote cell proliferation could be widely applied as a wound dressing for bacterial infected wound healing.
      PubDate: Wed, 27 Jul 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac019
      Issue No: Vol. 10 (2022)
       
  • Amphibian-derived peptide homodimer OA-GL17d promotes skin wound
           regeneration through the miR-663a/TGF-β1/Smad axis

    • Abstract: AbstractBackgroundAmphibian-derived peptides exhibit considerable potential in the discovery and development of new therapeutic interventions for clinically challenging chronic skin wounds. MicroRNAs (miRNAs) are also considered promising targets for the development of effective therapies against skin wounds. However, further research in this field is anticipated. This study aims to identify and provide a new peptide drug candidate, as well as to explore the underlying miRNA mechanisms and possible miRNA drug target for skin wound healing.MethodsA combination of Edman degradation, mass spectrometry and cDNA cloning were adopted to determine the amino acid sequence of a peptide that was fractionated from the secretion of Odorrana andersonii frog skin using gel-filtration and reversed-phase high-performance liquid chromatography. The toxicity of the peptide was evaluated by Calcein-AM/propidium iodide (PI) double staining against human keratinocytes (HaCaT cells), hemolytic activity against mice blood cells and acute toxicity against mice. The stability of the peptide in plasma was also evaluated. The prohealing potency of the peptide was determined by MTS, scratch healing and a Transwell experiment against HaCaT cells, full-thickness injury wounds and scald wounds in the dorsal skin of mice. miRNA transcriptome sequencing analysis, enzyme-linked immunosorbent assay, real-time polymerase chain reaction and western blotting were performed to explore the molecular mechanisms.ResultsA novel peptide homodimer (named OA-GL17d) that contains a disulfide bond between the 16th cysteine residue of the peptide monomer and the sequence ‘GLFKWHPRCGEEQSMWT’ was identified. Analysis showed that OA-GL17d exhibited no hemolytic activity or acute toxicity, but effectively promoted keratinocyte proliferation and migration and strongly stimulated the repair of full-thickness injury wounds and scald wounds in the dorsal skin of mice. Mechanistically, OA-GL17d decreased the level of miR-663a to increase the level of transforming growth factor-β1 (TGF-β1) and activate the subsequent TGF-β1/Smad signaling pathway, thereby resulting in accelerated skin wound re-epithelialization and granular tissue formation.ConclusionsOur results suggest that OA-GL17d is a new peptide drug candidate for skin wound repair. This study emphasizes the importance of exogenous peptides as molecular probes for exploring competing endogenous RNA mechanisms and indicates that miR-663a may be an effective target for promoting skin repair.
      PubDate: Tue, 12 Jul 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac032
      Issue No: Vol. 10 (2022)
       
  • Regulation of signaling pathways in hair follicle stem cells

    • Abstract: AbstractHair follicle stem cells (HFSCs) reside in the bulge region of the outer root sheath of the hair follicle. They are considered slow-cycling cells that are endowed with multilineage differentiation potential and superior proliferative capacity. The normal morphology and periodic growth of HFSCs play a significant role in normal skin functions, wound repair and skin regeneration. The HFSCs involved in these pathophysiological processes are regulated by a series of cell signal transduction pathways, such as lymphoid enhancer factor/T-cell factor, Wnt/β-catenin, transforming growth factor-β/bone morphogenetic protein, Notch and Hedgehog. The mechanisms of the interactions among these signaling pathways and their regulatory effects on HFSCs have been previously studied, but many mechanisms are still unclear. This article reviews the regulation of hair follicles, HFSCs and related signaling pathways, with the aims of summarizing previous research results, revealing the regulatory mechanisms of HFSC proliferation and differentiation and providing important references and new ideas for treating clinical diseases.
      PubDate: Mon, 04 Jul 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac022
      Issue No: Vol. 10 (2022)
       
  • Advances in the pathogenesis and clinical application prospects of tumor
           biomolecules in keloid

    • Authors: Xia Y; Wang Y, Shan M, et al.
      Abstract: AbstractKeloid scarring is a kind of pathological healing manifestation after skin injury and possesses various tumor properties, such as the Warburg effect, epithelial–mesenchymal transition (EMT), expression imbalances of apoptosis-related genes and the presence of stem cells. Abnormal expression of tumor signatures is critical to the initiation and operation of these effects. Although previous experimental studies have recognized the potential value of a single or several tumor biomolecules in keloids, a comprehensive evaluation system for multiple tumor signatures in keloid scarring is still lacking. This paper aims to summarize tumor biomolecules in keloids from the perspectives of liquid biopsy, genetics, proteomics and epigenetics and to investigate their mechanisms of action and feasibility from bench to bedside. Liquid biopsy is suitable for the early screening of people with keloids due to its noninvasive and accurate performance. Epigenetic biomarkers do not require changes in the gene sequence and their reversibility and tissue specificity make them ideal therapeutic targets. Nonetheless, given the ethnic specificity and genetic predisposition of keloids, more large-sample multicenter studies are indispensable for determining the prevalence of these signatures and for establishing diagnostic criteria and therapeutic efficacy estimations based on these molecules.
      PubDate: Sat, 25 Jun 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac025
      Issue No: Vol. 10 (2022)
       
  • Control of fibrosis and hypertrophic scar formation via glycolysis
           regulation with IR780

    • Authors: Meng X; Yu Z, Xu W, et al.
      Abstract: AbstractBackgroundHypertrophic scars (HS) represent one of the most common clinical challenges due to unsatisfactory therapeutic results. HS formation is associated with the abnormal activation of fibroblasts and their excessive fibrotic behavior. Glycolysis dysregulation has been shown to participate in the incidence and progression of various fibrotic diseases and shows potential as a means of controlling HS formation. This work aimed to discuss the impact of augmented glycolysis on HS and to propose a method for controlling HS formation through glycolysis regulation.MethodsHere, augmented glycolysis was confirmed together with enhanced fibrotic activity in both HS fibroblasts (HFs) and HS tissues, and the suppression of glycolysis also attenuated fibroblast activation. We also introduced IR780, a heptamethine cyanine dye, to regulate glycolysis for the control of HS formation.ResultsIn vitro, cell studies indicated that IR780 significantly down-regulated glycolysis and suppressed the fibrotic activity of HFs. In vivo, the intralesional injection of IR780 into rabbit HS models led to the downregulation of glycolysis and the control of HS formation. Furthermore, IR780 accumulated preferentially in activated fibroblasts in both in vitro and in vivo studies, and thus specifically downregulated glycolysis and efficiently controlled fibrosis by targeting activated fibroblasts.ConclusionsThis work identified a strategy for controlling fibrosis and HS formation from the perspective of glycolysis regulation with IR780 targeting of activated fibroblasts.
      PubDate: Fri, 24 Jun 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac015
      Issue No: Vol. 10 (2022)
       
  • Commercial wound dressings for the treatment of exuding wounds: an
           in-depth physico-chemical comparative study

    • Authors: Minsart M; Van Vlierberghe S, Dubruel P, et al.
      Abstract: AbstractBackgroundNowadays, a wide range of wound dressings is already commercially available. The selection of the dressing is of paramount importance as inappropriate wound management and dressing selection can delay the wound healing process. Not only can this be distressing for the patient, but it can also contribute to complications such as maceration and subsequent infection. Many researchers are targeting the design of dressings with superior properties over existing commercial dressings. However, reported results in the state-of-the-art are rarely benchmarked against commercial dressings. The aim of this study was to determine several characteristics of a large variety of the most frequently used commercial wound dressings, providing an overview for both practitioners and researchers.MethodsFor this comparative study, 11 frequently used commercial wound dressings were selected, representing the different types. The morphology was studied using scanning electron microscopy. The dressings were characterized in terms of swelling capacity (water, phosphate buffered saline and simulated wound fluid), moisture vapour transmission rate (MVTR) and moisture uptake capacity (via dynamic vapour sorption) as well as mechanical properties using tensile testing and texturometry.ResultsThe selected dressings showed distinctive morphological differences (fibrous, porous and/or gel) which was reflected in the different properties. Indeed, the swelling capacities ranged between 1.5 and 23.2 g/g (water), 2.1 and 17.6 g/g (phosphate buffered saline) or 2.9 and 20.8 g/g (simulated wound fluid). The swelling capacity of the dressings in water increased even further upon freeze-drying, due to the formation of pores. The MVTR values varied between 40 and 930 g/m2/24 h. The maximal moisture uptake capacity varied between 5.8% and 105.7% at 95% relative humidity. Some commercial dressings exhibited a superior mechanical strength, due to either being hydrophobic or multi-layered.ConclusionsThe present work not only offers insight into a valuable toolbox of suitable wound dressing characterization techniques, but also provides an extensive landscaping of commercial dressings along with their physico-chemical properties, obtained through reproducible experimental protocols. Furthermore, it ensures appropriate benchmark values for commercial dressings in all forthcoming studies and could aid researchers with the development of novel modern wound dressings. The tested dressings either exhibited a high strength or a high swelling capacity, suggesting that there is still a strong potential in the wound dressings market for dressings that possess both.
      PubDate: Tue, 21 Jun 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac024
      Issue No: Vol. 10 (2022)
       
  • Sports injury and stressor-related disorder in competitive athletes: a
           systematic review and a new framework

    • Authors: Yang S; Cheng S, Su D.
      Abstract: AbstractBackgroundFor professional athletes, sports injury has been considered one of the most influential factors determining their athletic careers' duration and quality. High-intensity training and competitiveness of the sports competition are perhaps critical causes of sports-related stress. This article reviews the relevant research on sports injuries and stressor-related disorders. Further, it explores the following three issues in depth: (1) Do physical injuries caused by competitive sports lead to acute or posttraumatic stress disorder for athletes' What are the abnormal stress responses' (2) What diagnoses are currently available for sports injury related traumatic stress disorder' (3) What kinds of psychological rehabilitation are available for trauma-related symptoms in sports injury' How efficient are they in alleviating these symptoms'MethodsThe study searched electronic databases, including PubMed, MEDLINE, CINAHL, etc. And reference lists of included papers were also screened. Two researchers selected the literature strictly according to the inclusion criteria and sorted them out. Based on the proved conclusions, the study established a new framework to manage traumatic stress disorders after the injury occurred.Results16 articles were included in the study. (Q1: N = 10; Q2: N = 3; Q3: N = 3 ) The findings of this review suggested that athletes who suffer from sports injuries are more likely to experience abnormal physiological or psychological stress responses, which may become a massive challenge for athletes to continue their sports careers at a competitive level. However, there is a minimal understanding of addressing sports injury-related traumatic stress disorder from a biological perspective. Thus, it is challenging to build a scientific basis for diagnosis, screening, and treatment. In addition, the current diagnostic tool for athletes stress disorder still heavily relies on subjective measurement, and the treatment plan is not different from that of the general population.ConclusionsIt highlighted that sports-related stress disorder could be the greatest challenge to return to competition for injured athletes. The present study indicated the importance of systematically identifying the symptoms of sports-related stress disorder and improving the current diagnosis and treatment system.
      PubDate: Sat, 11 Jun 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac017
      Issue No: Vol. 10 (2022)
       
  • Effects of fish oil-containing nutrition supplementation in adult sepsis
           patients: a systematic review and meta-analysis

    • Authors: Wang H; Su S, Wang C, et al.
      Abstract: AbstractBackgroundSepsis is life-threatening organ dysfunction caused by a dysregulated host response to infection. Although fish oil has been used as an immunonutritional preparations for the treatment of sepsis patients, there is still controversy as to whether it is beneficial to them. We systematically reviewed published clinical trial data to evaluate the effectiveness of fish oil-containing nutrition supplementation in sepsis patients.MethodsA systematic search was undertaken in PubMed, Embase, Chinese Biomedicine Database, the Cochrane Library and the China Knowledge Resource Integrated Database to obtain clinical controlled trails. RCTs on nutrition therapy containing fish oil among adult sepsis patients were selected for analysis in comparison with routine therapy.ResultsTwenty-five published trials were included in the meta-analysis. Fish oil-containing nutrition supplementation reduced the mortality compared with the control group (relative risk (RR) 0.74, I2 = 0%). Fish oil also shortened the ICU stay (MD −3.57 days; 95% CI −4.54, −2.59; p<0.00001; I2 = 76%), hospital stay (MD −9.92 days; 95% CI −15.37, −4.46; p = 0.0004; I2 = 91%) and the duration of mechanical ventilation support (MD −2.26; 95% CI −4.27, −0.26; p = 0.03; I2 = 83%). A subgroup analysis based on the route of administration revealed that parenteral administration of fish oil could reduce mortality in septic patients (RR =0.68, I2 = 0%), but no significant difference in mortality was observed in the fish oil group administered by enteral route (RR = 0.80, I2 = 0%). No statistically significant publication biases were detected for the above clinical endpoints (p>0.05).ConclusionsParenteral nutrition containing fish oil could significantly decrease mortality in sepsis patients while enteral administration could not. Fish oil-containing nutrition supplementation.
      PubDate: Fri, 10 Jun 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac012
      Issue No: Vol. 10 (2022)
       
  • LUtarjet-limit unique coracoid osteotomy Latarjet (With video)

    • Authors: Deng Z; Long Z, Lu W.
      Abstract: AbstractBackgroundThe Latarjet procedure is an effective technique for the treatment of recurrent anterior shoulder dislocation with glenoid bone loss. However, the inevitable destruction of the coracoacromial arch may result in humeral head translation. The aim of the study is to introduce a modified Latarjet technique with coracoacromial arch preservation as well as its short term clinical outcomes.MethodsWe propose a novel individualized flexible arthroscopic suture button fixation Latarjet technique called `LUtarjet' with video. Precise measurements of the coracoid process, glenoid deficiency and osteotomy plane were made preoperatively. Only three arthroscopic portals were needed and limit unique coracoid osteotomy was performed with coracoacromial arch preservation. The mini window splitting of the subscapularis was performed from the posterior to the anterior direction and the split window was as small as 8–10 mm in length.ResultsA total of 27 patients (25.6 ± 5.4 years) were included in the study. The average surgical duration was 55.6 ± 6.3 min and the mean follow-up time was 8.1 ± 1.5 months. The functional score was significantly improved at the last follow-up. Radiologic evidence showed that the bone graft healing was placed in the desired position. No complications were found.ConclusionsWe present a fast, easy, accurate, safe arthroscopic ‘LUtarjet’ technique called FEAST that can simplify the arthroscopic Latarjet process and achieve a satisfactory bone graft position and satisfactory short-term clinical outcomes.Level of evidenceIV, case series.
      PubDate: Sat, 28 May 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac021
      Issue No: Vol. 10 (2022)
       
  • Challenges and innovations in treating chronic and acute wound infections:
           from basic science to clinical practice

    • Authors: Ding X; Tang Q, Xu Z, et al.
      Abstract: AbstractAcute and chronic wound infection has become a major worldwide healthcare burden leading to significantly high morbidity and mortality. The underlying mechanism of infections has been widely investigated by scientist, while standard wound management is routinely been used in general practice. However, strategies for the diagnosis and treatment of wound infections remain a great challenge due to the occurrence of biofilm colonization, delayed healing and drug resistance. In the present review, we summarize the common microorganisms found in acute and chronic wound infections and discuss the challenges from the aspects of clinical diagnosis, non-surgical methods and surgical methods. Moreover, we highlight emerging innovations in the development of antimicrobial peptides, phages, controlled drug delivery, wound dressing materials and herbal medicine, and find that sensitive diagnostics, combined treatment and skin microbiome regulation could be future directions in the treatment of wound infection.
      PubDate: Sat, 21 May 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac014
      Issue No: Vol. 10 (2022)
       
  • Multitranscriptome analyses of keloid fibroblasts reveal the role of the
           HIF-1α/HOXC6/ERK axis in keloid development

    • Authors: Wang Q; Zhong Y, Li Z, et al.
      Abstract: AbstractBackgroundA keloid is a disease of excessive fibrosis that is characterized by the aberrant proliferation of fibroblasts. However, the molecular mechanisms of fibroblasts during the development of keloids remain unclear. This study aims to identify new molecular targets that promote the proliferation and migration of keloid fibroblasts, providing new ideas for the prevention and treatment of keloids.MethodsWe utilized bioinformatics tools to analyze data from keloid fibroblasts (KFs) available in the Gene Expression Omnibus (GEO) database to identify the key genes involved in keloid development. Homeobox C6 (HOXC6) emerged as a hub gene in KFs from the GEO database was verified in keloid tissue samples and KFs using reverse transcription-quantitative polymerase chain reaction, western blot (WB) and immunohistochemistry. Subsequently, the effects of downregulated HOXC6 expression on the cellular behaviors of KFs were examined by performing Cell Counting Kit-8, flow cytometry, transwell migration and WB assays. Meanwhile, we performed transcriptome sequencing and gene set enrichment analysis (GSEA) to further explore HOXC6-related mechanisms and validated the signaling pathways by performing a series of experiments.ResultsHOXC6 was the top-ranking hub gene of KFs in microarray datasets from GEO and was upregulated in keloid tissue samples and KFs. Downregulation of HOXC6 inhibited proliferation, migration and extracellular matrix (ECM) accumulation and promoted KF apoptosis. GSEA predicted that the hypoxia signaling pathway was associated with HOXC6 in KFs. Transcriptome sequencing suggested that the extracellular regulated protein kinase (ERK) pathway was one of the downstream pathways of HOXC6 in KFs. Our experiments confirmed that hypoxia-inducible factor-1α (HIF-1α) upregulates HOXC6, contributing to KFs proliferation, migration, apoptosis inhibition and collagen accumulation through the ERK signaling pathway.ConclusionsOur findings first revealed that HOXC6 acts as an oncogenic driver in the molecular mechanisms of fibroblasts in keloids. The HIF-1α/HOXC6/ERK axis promotes proliferation, migration and ECM production by KFs, contributing to the progression of keloids. Taken together, HOXC6 may serve as a promising novel therapeutic target and new focus for research designed to understand the pathogenesis of keloids.
      PubDate: Mon, 09 May 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac013
      Issue No: Vol. 10 (2022)
       
  • Non-severe burn injury increases cancer incidence in mice and has
           long-term impacts on the activation and function of T cells

    • Authors: Barrett L; Fear V, Foley B, et al.
      Abstract: AbstractBackgroundRecent evidence suggests that burn patients are at increased risk of hospital admission for infection, mental health conditions, cardiovascular disease and cancer for many years after discharge for the burn injury itself. Burn injury has also been shown to induce sustained immune system dysfunction. This change to immune function may contribute to the increased risk of chronic disease observed. However, the mechanisms that disrupt long-term immune function in response to burn trauma, and their link to long-term morbidity, remain unknown. In this study we investigated changes to immune function after burn injury using a murine model of non-severe injury.MethodsAn established mouse model of non-severe burn injury (full thickness burn equivalent to 8% total body surface area) was used in combination with an orthotopic model of B16 melanoma to investigate the link between burns and cancer. Considering that CD8+ T cells are important drivers of effective tumour suppression in this model, we also investigated potential dysregulation of this immune population using mouse models of burn injury in combination with herpes simplex virus infection. Flow cytometry was used to detect and quantify cell populations of interest and changes in immune function.ResultsWe demonstrate that 4 weeks after a non-severe burn injury, mice were significantly more susceptible to tumour development than controls using an orthotopic model of B16 melanoma. In addition, our results reveal that CD8+ T cell expansion, differentiation and memory potential is significantly impaired at 1 month post-burn.ConclusionsOur data suggests that CD8+ T cell-mediated immunity may be dysfunctional for a sustained period after even non-severe burn injury. Further studies in patients to validate these findings may support clinical intervention to restore or protect immunity in patients after burn injury and reduce the increased risk of secondary morbidities observed.
      PubDate: Fri, 29 Apr 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac016
      Issue No: Vol. 10 (2022)
       
  • Nerve transfer with 3D-printed branch nerve conduits

    • Authors: Zhang J; Tao J, Cheng H, et al.
      Abstract: AbstractBackgroundNerve transfer is an important clinical surgical procedure for nerve repair by the coaptation of a healthy donor nerve to an injured nerve. Usually, nerve transfer is performed in an end-to-end manner, which will lead to functional loss of the donor nerve. In this study, we aimed to evaluate the efficacy of 3D-printed branch nerve conduits in nerve transfer.MethodsCustomized branch conduits were constructed using gelatine-methacryloyl by 3D printing. The nerve conduits were characterized both in vitro and in vivo. The efficacy of 3D-printed branch nerve conduits in nerve transfer was evaluated in rats through electrophysiology testing and histological evaluation.ResultsThe results obtained showed that a single nerve stump could form a complex nerve network in the 3D-printed multibranch conduit. A two-branch conduit was 3D printed for transferring the tibial nerve to the peroneal nerve in rats. In this process, the two branches were connected to the distal tibial nerve and peroneal nerve. It was found that the two nerves were successfully repaired with functional recovery.ConclusionsIt is implied that the two-branch conduit could not only repair the peroneal nerve but also preserve partial function of the donor tibial nerve. This work demonstrated that 3D-printed branch nerve conduits provide a potential method for nerve transfer.
      PubDate: Fri, 15 Apr 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac010
      Issue No: Vol. 10 (2022)
       
  • The Notch pathway attenuates burn-induced acute lung injury in rats by
           repressing reactive oxygen species

    • Authors: Cai W; Shen K, Ji P, et al.
      Abstract: AbstractBackgroundAcute lung injury (ALI) is a common complication following severe burns. The underlying mechanisms of ALI are incompletely understood; thus, available treatments are not sufficient to repair the lung tissue after ALI.MethodsTo investigate the relationship between the Notch pathway and burn-induced lung injury, we established a rat burn injury model by scalding and verified lung injury via lung injury evaluations, including hematoxylin and eosin (H&E) staining, lung injury scoring, bronchoalveolar lavage fluid and wet/dry ratio analyses, myeloperoxidase immunohistochemical staining and reactive oxygen species (ROS) accumulation analysis. To explore whether burn injury affects Notch1 expression, we detected the expression of Notch1 and Hes1 after burn injury. Then, we extracted pulmonary microvascular endothelial cells (PMVECs) and conducted Notch pathway inhibition and activation experiments, via a γ-secretase inhibitor (GSI) and OP9-DLL1 coculture, respectively, to verify the regulatory effect of the Notch pathway on ROS accumulation and apoptosis in burn-serum-stimulated PMVECs. To investigate the regulatory effect of the Notch pathway on ROS accumulation, we detected the expression of oxidative-stress-related molecules such as superoxide dismutase, nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (NOX) 2, NOX4 and cleaved caspase-3. NOX4-specific small interfering RNA (siRNA) and the inhibitor GKT137831 were used to verify the regulatory effect of the Notch pathway on ROS via NOX4.ResultsWe successfully established a burn model and revealed that lung injury, excessive ROS accumulation and an inflammatory response occurred. Notch1 detection showed that the expression of Notch1 was significantly increased after burn injury. In PMVECs challenged with burn serum, ROS and cell death were elevated. Moreover, when the Notch pathway was suppressed by GSI, ROS and cell apoptosis levels were significantly increased. Conversely, these parameters were reduced when the Notch pathway was activated by OP9-DLL1. Mechanistically, the inhibition of NOX4 by siRNA and GKT137831 showed that the Notch pathway reduced ROS production and cell apoptosis by downregulating the expression of NOX4 in PMVECs.ConclusionsThe Notch pathway reduced ROS production and apoptosis by downregulating the expression of NOX4 in burn-stimulated PMVECs. The Notch–NOX4 pathway may be a novel therapeutic target to treat burn-induced ALI.
      PubDate: Tue, 12 Apr 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac008
      Issue No: Vol. 10 (2022)
       
  • Betulinic acid accelerates diabetic wound healing by modulating
           hyperglycemia-induced oxidative stress, inflammation and glucose
           intolerance

    • Authors: Xie W; Hu W, Huang Z, et al.
      Abstract: AbstractBackgroundDiabetes significantly delays wound healing through oxidative stress, inflammation and impaired re-epithelialization that lead to defective regulation of the healing process, although the related mechanism remains unclear. Here, we aim to investigate the potential role and mechanism for the beneficial effect of betulinic acid (BA) on diabetic wound healing.MethodsThe molecular effect of BA on hyperglycemia-mediated gene expression, oxidative stress, inflammation and glucose uptake was evaluated in endothelial, fibroblast and muscle cells. Burn injury was introduced to streptozotocin-induced diabetic rats and BA administration through either an intraperitoneal (IP) or topical (TOP) technique was used for wound treatment. Glucose tolerance was evaluated in both muscle tissue and fibroblasts, while oxidative stress and inflammation were determined in both the circulatory system and in wound tissues. The effect of BA on the wound healing process was also evaluated.ResultsBA treatment reversed hyperglycemia-induced glucose transporter type 4 (GLUT4) suppression in both muscle and fibroblast cells. This treatment also partly reversed hyperglycemia-mediated suppression of endothelial nitric oxide synthase (eNOS), nuclear factor erythroid 2-related factor 2 (Nrf2) signaling and nuclear factor NFκB p65 subunit (NFκB p65) activation in endothelial cells. An in vivo rat study showed that BA administration ameliorated diabetes-mediated glucose intolerance and partly attenuated diabetes-mediated oxidative stress and inflammation in both the circulatory system and wound tissues. BA administration by both IP and TOP techniques significantly accelerated diabetic wound healing, while BA administration by either IP or TOP methods alone had a significantly lower effect.ConclusionsBA treatment ameliorates hyperglycemia-mediated glucose intolerance, endothelial dysfunction, oxidative stress and inflammation. Administration of BA by both IP and TOP techniques was found to significantly accelerate diabetic wound healing, indicating that BA could be a potential therapeutic candidate for diabetic wound healing.
      PubDate: Sat, 09 Apr 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac007
      Issue No: Vol. 10 (2022)
       
  • Epithelial–mesenchymal transition in organ fibrosis development: current
           understanding and treatment strategies

    • Authors: Liu L; Sun Q, Davis F, et al.
      Abstract: AbstractOrgan fibrosis is a process in which cellular homeostasis is disrupted and extracellular matrix is excessively deposited. Fibrosis can lead to vital organ failure and there are no effective treatments yet. Although epithelial–mesenchymal transition (EMT) may be one of the key cellular mechanisms, the underlying mechanisms of fibrosis remain largely unknown. EMT is a cell phenotypic process in which epithelial cells lose their cell-to-cell adhesion and polarization, after which they acquire mesenchymal features such as infiltration and migration ability. Upon injurious stimulation in different organs, EMT can be triggered by multiple signaling pathways and is also regulated by epigenetic mechanisms. This narrative review summarizes the current understanding of the underlying mechanisms of EMT in fibrogenesis and discusses potential strategies for attenuating EMT to prevent and/or inhibit fibrosis. Despite better understanding the role of EMT in fibrosis development, targeting EMT and beyond in developing therapeutics to tackle fibrosis is challenging but likely feasible.
      PubDate: Fri, 08 Apr 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac011
      Issue No: Vol. 10 (2022)
       
  • Roles of the fibroblast growth factor signal transduction system in tissue
           injury repair

    • Authors: Chen K; Rao Z, Dong S, et al.
      Abstract: AbstractFollowing injury, tissue autonomously initiates a complex repair process, resulting in either partial recovery or regeneration of tissue architecture and function in most organisms. Both the repair and regeneration processes are highly coordinated by a hierarchy of interplay among signal transduction pathways initiated by different growth factors, cytokines and other signaling molecules under normal conditions. However, under chronic traumatic or pathological conditions, the reparative or regenerative process of most tissues in different organs can lose control to different extents, leading to random, incomplete or even flawed cell and tissue reconstitution and thus often partial restoration of the original structure and function, accompanied by the development of fibrosis, scarring or even pathogenesis that could cause organ failure and death of the organism. Ample evidence suggests that the various combinatorial fibroblast growth factor (FGF) and receptor signal transduction systems play prominent roles in injury repair and the remodeling of adult tissues in addition to embryonic development and regulation of metabolic homeostasis. In this review, we attempt to provide a brief update on our current understanding of the roles, the underlying mechanisms and clinical application of FGFs in tissue injury repair.
      PubDate: Wed, 23 Mar 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac005
      Issue No: Vol. 10 (2022)
       
  • Nanomaterials for the delivery of bioactive factors to enhance
           angiogenesis of dermal substitutes during wound healing

    • Authors: Weng T; Wang J, Yang M, et al.
      Abstract: AbstractDermal substitutes provide a template for dermal regeneration and reconstruction. They constitutes an ideal clinical treatment for deep skin defects. However, rapid vascularization remains as a major hurdle to the development and application of dermal substitutes. Several bioactive factors play an important regulatory role in the process of angiogenesis and an understanding of the mechanism of achieving their effective delivery and sustained function is vital. Nanomaterials have great potential for tissue engineering. Effective delivery of bioactive factors (including growth factors, peptides and nucleic acids) by nanomaterials is of increasing research interest. This paper discusses the process of dermal substitute angiogenesis and the roles of related bioactive factors in this process. The application of nanomaterials for the delivery of bioactive factors to enhance angiogenesis and accelerate wound healing is also reviewed. We focus on new systems and approaches for delivering bioactive factors for enhancing angiogenesis in dermal substitutes.
      PubDate: Tue, 22 Mar 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkab049
      Issue No: Vol. 10 (2022)
       
  • Efficacy of probiotics or synbiotics for critically ill adult patients: a
           systematic review and meta-analysis of randomized controlled trials

    • Authors: Wang K; Zeng Q, Li K, et al.
      Abstract: AbstractBackgroundMicrobial dysbiosis in critically ill patients is a leading cause of mortality and septic complications. Probiotics and synbiotics have emerged as novel therapy on gut microbiota to prevent septic complications. However, current evidence on their effects is conflicting. This work aims to systematically review the impact of probiotics or synbiotics in critically ill adult patients.MethodsA comprehensive search of the PubMed, CBM, Embase, CENTRAL, ISI, and CNKI databases was performed to identify randomized controlled trials that evaluate probiotics or synbiotics in critically ill patients. The quality assessment was based on the modified Jadad's score scale and the Cochrane Handbook for Systematic Reviews of Interventions Version 5.0.1. The major outcome measure was mortality. Secondary outcomes included incidence of septic complications, sepsis incidence, length of intensive care unit (ICU) stay, incidence of non-septic complication, and ventilator day. Data synthesis was conduct by Review Manager 5.4.ResultsA total of 25 randomized controlled trials reporting on 5049 critically ill patients were included. In the intervention group, 2520 participants received probiotics or synbiotics, whereas 2529 participants received standard care or placebo. Pooling data from randomized controlled trials demonstrated a significant reduction in the incidence of ventilator-associated pneumonia (VAP) in the treatment group [(risk ratio (RR) 0.86; 95% confidence interval (CI): 0.78–0.95; p < 0.003, I2 = 85%)]. However, in the subgroup analysis, the reduction of incidence of VAP was only significant in patients receiving synbiotics (RR = 0.61, 95% CI: 0.47–0.80, p = 0.0004, I2 = 40%) and not significant in those receiving only probiotics (RR = 0.91, 95% CI: 0.82–1.01, p = 0.07, I2 = 65%). Moreover, sepsis incidence of critically ill patients was only significantly reduced by the addition of synbiotics (RR = 0.41; 95% CI: 0.22–0.72, p = 0.005, I2 = 0%). The incidence of ICU-acquired infections was significantly reduced by the synbiotics therapy (RR = 0.72; 95% CI: 0.58–0.89, p = 0.0007, I2 = 79%). There was no significant difference in mortality, diarrhea, or length of ICU stay between the treatment and control groups.ConclusionsSynbiotics is an effective and safe nutrition therapy in reducing septic complications in critically ill patients. However, in such patients, administration of probiotics alone compared with placebo resulted in no difference in the septic complications.
      PubDate: Mon, 14 Mar 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac004
      Issue No: Vol. 10 (2022)
       
  • Curcumin-incorporated 3D bioprinting gelatin methacryloyl hydrogel reduces
           reactive oxygen species-induced adipose-derived stem cell apoptosis and
           improves implanting survival in diabetic wounds

    • Authors: Xia S; Weng T, Jin R, et al.
      Abstract: AbstractBackgroundGelatin methacryloyl (GelMA) hydrogels loaded with stem cells have proved to be an effective clinical treatment for wound healing. Advanced glycation end product (AGE), interacting with its particular receptor (AGER), gives rise to reactive oxygen species (ROS) and apoptosis. Curcumin (Cur) has excellent antioxidant activity and regulates intracellular ROS production and apoptosis. In this study, we developed a Cur-incorporated 3D-printed GelMA to insert into adipose-derived stem cells (ADSCs) and applied it to diabetic wounds.MethodsGelMA hydrogels with Cur were fabricated and their in vitro effects on ADSCs were investigated. We used structural characterization, western blot, ROS and apoptosis assay to evaluate the antioxidant and anti-apoptotic activity, and assessed the wound healing effects to investigate the mechanism underlying regulation of apoptosis by Cur via the AGE/AGER/nuclear factor-κB (NF-κB) p65 pathway.ResultsA 10% GelMA scaffold exhibited appropriate mechanical properties and biocompatibility for ADSCs. The circular mesh structure demonstrated printability of 10% GelMA and Cur-GelMA bioinks. The incorporation of Cur into the 10% GelMA hydrogel showed an inhibitory effect on AGEs/AGER/NF-κB p65-induced ROS generation and ADSC apoptosis. Furthermore, Cur-GelMA scaffold promoted cell survival and expedited in vivo diabetic wound healing.ConclusionsThe incorporation of Cur improved the antioxidant activity of 3D-printed GelMA hydrogel and mitigated AGE/AGER/p65 axis-induced ROS and apoptosis in ADSCs. The effects of scaffolds on wound healing suggested that Cur/GelMA-ADSC hydrogel could be an effective biological material for accelerating wound healing.
      PubDate: Mon, 14 Mar 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac001
      Issue No: Vol. 10 (2022)
       
  • Applications of tetrahedral DNA nanostructures in wound repair and tissue
           regeneration

    • Authors: Dou Y; Cui W, Yang X, et al.
      Abstract: AbstractTetrahedral DNA nanostructures (TDNs) are molecules with a pyramidal structure formed by folding four single strands of DNA based on the principle of base pairing. Although DNA has polyanionic properties, the special spatial structure of TDNs allows them to penetrate the cell membrane without the aid of transfection agents in a caveolin-dependent manner and enables them to participate in the regulation of cellular processes without obvious toxic side effects. Because of their stable spatial structure, TDNs resist the limitations imposed by nuclease activity and innate immune responses to DNA. In addition, TDNs have good editability and biocompatibility, giving them great advantages for biomedical applications. Previous studies have found that TDNs have a variety of biological properties, including promoting cell migration, proliferation and differentiation, as well as having anti-inflammatory, antioxidant, anti-infective and immune regulation capabilities. Moreover, we confirmed that TDNs can promote the regeneration and repair of skin, blood vessels, muscles and bone tissues. Based on these findings, we believe that TDNs have broad prospects for application in wound repair and regeneration. This article reviews recent progress in TDN research and its applications.
      PubDate: Thu, 10 Mar 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac006
      Issue No: Vol. 10 (2022)
       
  • CircRNA_Maml2 promotes the proliferation and migration of intestinal
           epithelial cells after severe burns by regulating the
           miR-93-3p/FZD7/Wnt/β-catenin pathway

    • Authors: Zhang W; Liao Y, Lou J, et al.
      Abstract: AbstractBackgroundCircular RNA (circRNA) plays key regulatory roles in the development of many diseases. However the biological functions and potential molecular mechanisms of circRNA in the injury and repair of intestinal mucosa in mice after severe burns are yet to be elucidated.MethodsCell counting kit-8 (CCK-8), 5-ethynyl-2′-deoxyuridine (EdU), wound healing and transwell assays were used to detect cell proliferation and migration ability. Real-time quantitative PCR was used to identify the expression of circRNA, microRNA and messenger RNA. Nuclear and cytoplasmic separation experiments were employed to perceive the location of circRNA_Maml2. Finally, in vitro and in vivo experiments were conducted to study the repairing effect of circRNA_Maml2 on the intestinal mucosa of mice after severe burns.ResultsWhen compared with the control group, the expression of circRNA_Maml2 was significantly reduced in the severe burn group. Furthermore, overexpression of circRNA_Maml2 promoted the proliferation and migration of CT26.wt cells in vivo and the repair of damaged intestinal mucosa in vitro. CircRNA_Maml2 acted as a sponge adsorption molecule for miR-93-3p to enhance the expression of frizzled class receptor 7 and activate the downstream Wnt/β-catenin pathway, thereby promoting the repair of the intestinal mucosa.ConclusionsOur findings demonstrate that circRNA_Maml2 regulates the miR-93-3p/FZD7/Wnt/β-catenin pathway and promotes the repair of damaged intestinal mucosa. Hence, circRNA_Maml2 is a potential therapeutic target to promote intestinal mucosal repair.
      PubDate: Mon, 07 Mar 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac009
      Issue No: Vol. 10 (2022)
       
  • The clinical effectiveness and safety of using epidermal growth factor,
           fibroblast growth factor and granulocyte-macrophage colony stimulating
           factor as therapeutics in acute skin wound healing: a systematic review
           and meta-analysis

    • Authors: Wei Y; Li J, Huang Y, et al.
      Abstract: AbstractBackgroundPromoting wound healing is crucial to restore the vital barrier function of injured skin. Growth factor products including epidermal growth factor (EGF), fibroblast growth factor (FGF) and granulocyte-macrophage colony stimulating factor (GM-CSF) have been used for decades although no systematic evaluation exists regarding their effectiveness and safety issues in treating acute skin wounds. This has resulted in a lack of guidelines and standards for proper application regimes. Therefore, this systematic review and meta-analysis was performed to critically evaluate the effectiveness and safety of these growth factors on skin acute wounds and provide guidelines for application regimes.MethodsWe searched PubMed/Medline (1980–2020), Cochrane Library (1980–2020), Cochrane CENTRAL (from establishment to 2020), ClinicalTrials.gov (from establishment to 2020), Chinese Journal Full-text Database (CNKI, 1994–2020), China Biology Medicine disc (CBM, 1978–2019), Chinese Scientific Journal Database (VIP, 1989–2020) and Wanfang Database (WFDATA, 1980–2019). Randomized controlled trials (RCTs), quasi-RCTs and controlled clinical trials treating patients with acute skin wounds from various causes and with those available growth factors were included.ResultsA total of 7573 papers were identified through database searching; 229 papers including 281 studies were kept after final screening. Administering growth factors significantly shortened the healing time of acute skin wounds, including superficial burn injuries [mean difference (MD) = −3.02; 95% confidence interval (CI):−3.31 ~ −2.74; p < 0.00001], deep burn injuries (MD = −5.63; 95% CI:−7.10 ~ −4.17; p < 0.00001), traumata and surgical wounds (MD = −4.50; 95% CI:−5.55 ~ −3.44; p < 0.00001). Growth factors increased the healing rate of acute skin wounds and decreased scar scores. The incidence of adverse reactions was lower in the growth factor treatment group than in the non-growth factor group.ConclusionsThe studied growth factors not only are effective and safe for managing acute skin wounds, but also accelerate their healing with no severe adverse reactions.
      PubDate: Mon, 07 Mar 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac002
      Issue No: Vol. 10 (2022)
       
  • Senescence in chronic wounds and potential targeted therapies

    • Authors: Wei X; Li M, Zheng Z, et al.
      Abstract: AbstractChronic wounds (e.g. diabetic wounds, pressure wounds, vascular ulcers, etc.) do not usually heal in a timely and orderly manner but rather last for years and may lead to irreversible adverse events, resulting in a substantial financial burden for patients and society. Recently, a large amount of evidence has proven that cellular senescence has a crucial influence on chronic nonhealing wounds. As a defensive mechanism, cell senescence is a manner of cell-cycle arrest with increased secretory phenotype to resist death, preventing cells from stress-induced damage in cancer and noncancer diseases. A growing amount of research has advanced the perception of cell senescence in various chronic wounds and focuses on pathological and physiological processes and therapies targeting senescent cells. However, previous reviews have failed to sum up novel understandings of senescence in chronic wounds and emerging strategies targeting senescence. Herein, we discuss the characteristics and mechanisms of cellular senescence and the link between senescence and chronic wounds as well as some novel antisenescence strategies targeting other diseases that may be applied for chronic wounds.
      PubDate: Thu, 17 Feb 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkab045
      Issue No: Vol. 10 (2022)
       
  • Autophagy and skin wound healing

    • Authors: Ren H; Zhao F, Zhang Q, et al.
      Abstract: AbstractAutophagy is a lysosome-dependent, self-renewal mechanism that can degrade and recycle cellular components in eukaryotic cells to maintain the stability of the intracellular environment and the cells ability to cope with unfavorable environments. Numerous studies suggest that autophagy participates in regulating various cellular functions and is closely associated with the onset and progression of various diseases. Wound healing is a complex, multistep biological process that involves multiple cell types. Refractory wounds, which include diabetic skin ulcers, can seriously endanger human health. Previous studies have confirmed that autophagy plays an essential role in various phases of wound healing. Specifically, in the inflammatory phase, autophagy has an anti-infection effect and it negatively regulates the inflammatory response, which prevents excessive inflammation from causing tissue damage. In the proliferative phase, local hypoxia in the wound can induce autophagy, which plays a role in anti-apoptosis and anti-oxidative stress and promotes cell survival. Autophagy of vascular endothelial cells promotes wound angiogenesis and that of keratinocytes promotes their differentiation, proliferation and migration, which is conducive to the completion of wound re-epithelialisation. In the remodeling phase, autophagy of fibroblasts affects the formation of hypertrophic scars. Additionally, a refractory diabetic wound may be associated with increased levels of autophagy, and the regulation of mesenchymal stem cell autophagy may improve its application to wound healing. Therefore, understanding the relationship between autophagy and skin wound healing and exploring the molecular mechanism of autophagy regulation may provide novel strategies for the clinical treatment of wound healing.
      PubDate: Wed, 16 Feb 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkac003
      Issue No: Vol. 10 (2022)
       
  • Red cell distribution width/albumin ratio and 90-day mortality after burn
           surgery

    • Authors: Seo Y; Yu J, Park J, et al.
      Abstract: AbstractBackgroundRed cell distribution width (RDW) and serum albumin concentration are associated with postoperative outcomes. However, the usefulness of the RDW/albumin ratio in burn surgery remains unclear. Therefore, we evaluated the association between RDW/albumin ratio and 90-day mortality after burn surgery.MethodsBetween 2013 and 2020, a retrospective review of patients in a burn intensive care unit (ICU) was performed. Receiver operating characteristic curve, multivariate Cox logistic regression, multivariate logistic regression and Kaplan–Meier analyses were conducted to evaluate the association between RDW/albumin ratio and 90-day mortality after burn surgery. Additionally, prolonged ICU stay rate (>60 days) and ICU stay were assessed.ResultsNinety-day mortality was 22.5% (210/934) in burn patients. Risk factors for 90-day mortality were RDW/albumin ratio at postoperative day 1, age, American Society of Anesthesiologists physical status, diabetes mellitus, inhalation injury, total body surface area burned, hypotensive event and red blood cell transfusion volume. The area under the curve of the RDW/albumin ratio at postoperative day 1 to predict 90-day mortality, after adjusting for age and total body surface area burned, was 0.875 (cut-off value, 6.8). The 90-day mortality was significantly higher in patients with RDW/albumin ratio >6.8 than in those with RDW/albumin ratio ≤6.8 (49.2% vs 12.3%, p < 0.001). Prolonged ICU stay rate and ICU stay were significantly higher and longer in patients with RDW/albumin ratio >6.8 than in those with RDW/albumin ratio ≤6.8 (34.5% vs 26.5%; 21 [11–38] vs 18 [7–32] days).ConclusionRDW/albumin ratio >6.8 on postoperative day 1 was associated with higher 90-day mortality, higher prolonged ICU stay rate and longer ICU stay after burn surgery.
      PubDate: Thu, 27 Jan 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkab050
      Issue No: Vol. 10 (2022)
       
  • 3D-bioprinted microenvironments for sweat gland regeneration

    • Authors: Song W; Yao B, Zhu D, et al.
      Abstract: AbstractThe development of 3D bioprinting in recent years has provided new insights into the creation of in vitro microenvironments for promoting stem cell-based regeneration. Sweat glands (SGs) are mainly responsible for thermoregulation and are a highly differentiated organ with limited regenerative ability. Recent studies have focused on stem cell-based therapies as strategies for repairing SGs after deep dermal injury. In this review, we highlight the recent trend in 3D bioprinted native-like microenvironments and emphasize recent advances in functional SG regeneration using this technology. Furthermore, we discuss five possible regulatory mechanisms in terms of biochemical factors and structural and mechanical cues from 3D bioprinted microenvironments, as well as the most promising regulation from neighbor cells and the vascular microenvironment.
      PubDate: Fri, 21 Jan 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkab044
      Issue No: Vol. 10 (2022)
       
  • Therapeutic implications of exosomes in the treatment of radiation injury

    • Authors: Dai S; Wen Y, Luo P, et al.
      Abstract: AbstractRadiotherapy is one of the main cancer treatments, but it may damage normal tissue and cause various side effects. At present, radioprotective agents used in clinics have side effects such as nausea, vomiting, diarrhea and hypotension, which limit their clinical application. It has been found that exosomes play an indispensable role in radiation injury. Exosomes are lipid bilayer vesicles that carry various bioactive substances, such as proteins, lipids and microRNA (miRNA), that play a key role in cell-to-cell communication and affect tissue injury and repair. In addition, studies have shown that radiation can increase the uptake of exosomes in cells and affect the composition and secretion of exosomes. Here, we review the existing studies and discuss the effects of radiation on exosomes and the role of exosomes in radiation injury, aiming to provide new insights for the treatment of radiation injury.
      PubDate: Fri, 21 Jan 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkab043
      Issue No: Vol. 10 (2022)
       
  • Role of copper nanoparticles in wound healing for chronic wounds:
           literature review

    • Authors: Salvo J; Sandoval C.
      Abstract: AbstractChronic wounds are defined as wounds that fail to proceed through the normal phases of wound healing in an orderly and timely manner. The most common and inevitable impairment to wound healing is the installation of an infection, usually in the case of chronic wounds. Therefore, the objective of the present review was to identify the importance of copper nanoparticles in dressings for wound healing. Nanoparticles such as silver, gold and copper combat infectious processes through the inhibition of protein synthesis, peroxidation of the cell membrane and destroying the nucleic acids of bacteria and viruses. Among bioactive nanoparticles, copper plays a complex role in various cells, it modulates several cytokines and growth factor mechanisms of action and is essentially involved in all stages of the wound healing process. More importantly, copper plays a key role in skin regeneration and angiogenesis and accelerates the healing process through induction of vascular endothelial growth factor (VEGF) and angiogenesis by hypoxia-induced factor-1-alpha (HIF-1α) action where copper enhances HIF-1α expression and HIF-1α binding to the critical motifs in the promoter and putative enhancer regions of HIF-1-regulated genes.
      PubDate: Fri, 21 Jan 2022 00:00:00 GMT
      DOI: 10.1093/burnst/tkab047
      Issue No: Vol. 10 (2022)
       
 
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