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Journal Cover Karger Kompass
  [1 followers]  Follow
   Full-text available via subscription Subscription journal
   ISSN (Print) 2296-0368 - ISSN (Online) 2296-0317
   Published by Karger Homepage  [105 journals]
  • Current Developments in Mobilization of Hematopoietic Stem and Progenitor
           Cells and Their Interaction with Niches in Bone Marrow
    • Abstract:
      Transfus Med Hemother
  • Leakage of Hepaticojejunal Anastomosis: Radiological Interventional
    • Abstract:
      Visc Med
  • Bile Duct Injury after Cholecystectomy: Surgical Therapy
    • Abstract:
      Visc Med
  • Leakage of Hepaticojejunal Anastomosis: Reoperation
    • Abstract:
      Visc Med
  • Plasma ET-1 Concentrations are Elevated in Patients with Hypertension –
           Meta-Analysis of Clinical Studies
    • Abstract: Background/Aims: A recent study revealed that global overexpression of ET-1 causes a slight reduction in systemic blood pressure. Moreover, heterozygous ET-1 knockout mice are hypertensive. The role of ET-1 in human hypertension was so far not addressed by a strict meta-analysis of published human clinical studies. Methods: We included studies published between January 1, 1990 and February 28, 2017. We included case control studies analyzing untreated essential hypertension or hypertensive patients where antihypertensive medication was discontinued for at least two weeks. Based on the principle of Cochrane systematic reviews, case control studies (CCSs) in PubMed (Medline) and Google Scholar designed to identify the role of endothelin-1 (ET-1) in the pathophysiological of hypertension were screened. Review Manager Version 5.0 (Rev-Man 5.0) was applied for statistical analysis. Mean difference and 95% confidence interval (CI) were shown in inverse variance (IV) fixed-effects model or IV random-effects models. Results: Eleven studies fulfilling our in- and exclusion criteria were eligible for this meta-analysis. These studies included 450 hypertensive patients and 328 controls. Our meta-analysis revealed that ET-1 plasma concentrations were higher in hypertensive patients as compared to the control patients [mean difference between groups 1.57 pg/mL, 95%CI [0.47∼2.68, P = 0.005]. These finding were driven by patients having systolic blood pressure higher than 160 mmHg and diastolic blood pressure higher than 100 mmHg. Conclusions: This meta-analysis showed that hypertensive patients do have elevated plasma ET-1 concentrations. This finding is driven by those patients with high systolic/diastolic blood pressure. Given that the ET-1 gene did not appear in any of the whole genome association studies searching for hypertension associated gene loci, it is very likely that the elevated plasma ET-1 concentrations in hypertensive patients are secondary to hypertension and may reflect endothelial cell damage.
      Kidney Blood Press Res 2017;42:304–313
  • MALAT1 Modulates TGF-β1-Induced Endothelial-to-Mesenchymal Transition
           through Downregulation of miR-145
    • Abstract: Background/Aims: Endothelial-to-mesenchymal transition (EndMT) plays significant roles under various pathological conditions including cardiovascular diseases, fibrosis, and cancer. EndMT of endothelial progenitor cells (EPCs) contributes to neointimal hyperplasia following cell therapy Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is a long non-coding RNA (lncRNA) that promotes metastasis and cancer. MicroRNA-145 (miR-145) is a tumor suppressor that has been reported to inhibit SMAD3-mediated epithelial-to-mesenchymal transition (EMT) of cancer cells. In the present study, we investigated the role of MALAT1 and miR-145 in EndMT of human circulating EPCs induced by transforming growth factor beta1 (TGF-β1). Methods: Human circulating EPCs were isolated and characterized by fluorescence-activated cell sorting (FACS). Expression levels of EndMT markers were assessed by qRT-PCR and western blotting. Alpha-smooth muscle actin (α-SMA) expression was measured by cell immunofluorescence staining. The regulatory relationship between MALAT1 and miR-145 and its target genes, TGFBR2 (TGFβ receptortype II) and SMAD3 (mothers against decapentaplegic homolog 3) was analyzed using the luciferase reporter assay. Results: We found that EndMT of EPCs induced by TGF-β1 is accompanied by increased MALAT1 expression and decreased miR-145 expression, and MALAT1 and miR-145 directly bind and reciprocally repress each other in these cells. Dual-Luciferase Reporter assay indicated that miR-145 inhibits TGF-β1-induced EndMT by directly targeting TGFBR2 and SMAD3. Conclusions: MALAT1 modulates TGF-β1-induced EndMT of EPCs through regulation of TGFBR2 and SMAD3 via miR-145. Thus, the MALAT1-miR-145-TGFBR2/SMAD3 signaling pathway plays a key role in TGF-β1-induced EndMT.
      Cell Physiol Biochem 2017;42:357–372
  • MicroRNA-181a-5p Impedes IL-17-Induced Nonsmall Cell Lung Cancer
           Proliferation and Migration through Targeting VCAM-1
    • Abstract: Aim: The contribution of the inflammatory mediator interleukin-17 (IL-17) in nonsmall cell lung cancer (NSCLC) malignancy has been reported in the literature. MicroRNA-181a-5p (miR-181a-5p) acts as a tumor suppressor which can regulate target gene at the posttranscriptional level. Our study aimed to investigate the interaction between IL-17 and miR-181a-5p in NSCLC. Methods: 35 patients with NSCLC and 24 COPD controls were selected and examined in our study. In vitro, H226 and H460 cell lines were exposed to different doses (20, 40, 60, and 80 ng/mL) of IL-17 to examine the effect of IL-17 on miR-181a-5p and vascular cell adhesion molecule 1 (VCAM-1) expression. MiR-181 mimic and miR-181a-5p inhibitor were transfected to explore the regulation of VCAM-1 as well as tumor cell proliferation and migration. Results: miR-181a-5p expression was downregulated, and IL-17 and VCAM-1 expression was upregulated in NSCLC tissues. Furthermore, IL-17 decreased miR-181a-5p expression but increased VCAM-1 expression in H226 and H460 cells. MiR-181 regulated VCAM-1 expression through binding to 3’-UTR sequence. MiR-181 attenuated tumor cell proliferation and migration. IL-17 modulated miR-181a-5p expression through activating NF-κB but not Stat3. Conclusion: Taken together, our data show the regulation of VCAM-1 expression by miR-181a-5p under IL-17 exposure, predicting a potential way for counteracting cancer metastasis.
      Cell Physiol Biochem 2017;42:346–356
  • Arterial Stiffness is an Independent Risk Factor for Anemia After
           Percutaneous Native Kidney Biopsy
    • Abstract: Background/Aims: Bleeding is the most common complication after renal biopsy. Although numerous predictors of bleeding have been reported, it remains unclear whether arterial stiffness affects bleeding complications. Method: We performed an observational study of the renal biopsies performed in our division over an approximately 6-year period (May 2010 to May 2016). The clinical and laboratory factors were analyzed to reveal the risk factors associated with bleeding, with a focus on anemia (defined as a ≥10% decrease in hemoglobin [Hb] after biopsy). The brachial-ankle pulse wave velocity (baPWV) was measured to evaluate arterial stiffness. Results: This study included 462 patients (male, n=244; female, n=218). Anemia (defined above) was observed in 54 patients (11.7%). The risk of anemia was higher in women, older patients, and patients with lower serum albumin, lower eGFR and lower diastolic blood pressure after biopsy. We then performed a further analysis of 187 patients whose baPWV data were available. Multivariate analysis revealed that a higher baPWV was an independent risk factor for anemia. ROC analysis for predicting anemia found that a baPWV value of 1839 cm/s had the best performance (AUC 0.689). Conclusion: An increased baPWV may be a more valuable predictor of bleeding than any of the other reported risk factors.
      Kidney Blood Press Res 2017;42:284–293
  • The Lung in Rare Systemic Diseases
    • Abstract:
  • New Interleukins in Psoriasis and Psoriatic Arthritis Patients: The
           Possible Roles of Interleukin-33 to Interleukin-38 in Disease Activities
           and Bone Erosions
    • Abstract: Objectives: New interleukins (ILs), especially members of IL-1 and IL-12 families, have recently been reported to be involved in the development and regulation of autoimmune and inflammatory diseases. In this study, we aimed to explore the impact of these new ILs in psoriasis (Ps) and psoriatic arthritis (PsA). Methods: Forty PsA patients, 20 Ps patients, and 20 healthy controls (HCs) were recruited. Blood samples were obtained for detecting the levels of ILs, IL-12/23p40, and tumor necrosis factor α (TNF-α). The severity of skin lesions was assessed by the Psoriasis Area and Severity Index (PASI). Arthritis activities of PsA patients were assessed by the PsA Joint Activity Index. For PsA patients, circulating osteoclastogenesis-related cytokines (osteoprotegerin and receptor activator of nuclear factor-#x03BA;B ligand) and numbers of osteoclast precursors were evaluated. Radiographic features of affected joints in these patients were scored for erosion, joint-space narrowing, osteolysis, and new bone formation. Correlations among levels of these ILs, Ps, and PsA disease activities and bone erosions were studied. Results: Ps and PsA patients had higher serum levels of TNF-α, IL-12/23p40, and IL-33. Serum levels of IL-34 and IL-35 were higher in PsA patients than in Ps patients and HCs. Patients with pustular Ps had higher serum levels of IL-36α and IL-38 than patients with Ps vulgaris or HCs. Increased serum levels of IL-36α were positively correlated with PASI. Conclusion: Certain ILs were elevated in the circulation of patients with Ps and PsA, which might contribute to the pathogenesis of skin lesions and arthritis.
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
Tel: +00 44 (0)131 4513762
Fax: +00 44 (0)131 4513327
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