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Publisher: SciELO   (Total: 718 journals)

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Showing 1 - 200 of 718 Journals sorted alphabetically
ABCD. Arquivos Brasileiros de Cirurgia Digestiva     Open Access   (Followers: 2, SJR: 0.277, h-index: 5)
ACIMED     Open Access   (Followers: 1)
Acta Agronómica     Open Access   (Followers: 1, SJR: 0.11, h-index: 2)
Acta Amazonica     Open Access   (Followers: 3, SJR: 0.32, h-index: 18)
Acta Bioethica     Open Access   (Followers: 1, SJR: 0.131, h-index: 4)
Acta Botanica Brasilica     Open Access   (Followers: 2, SJR: 0.364, h-index: 23)
Acta botánica mexicana     Open Access   (Followers: 1, SJR: 0.251, h-index: 6)
Acta Cirurgica Brasileira     Open Access   (SJR: 0.319, h-index: 19)
Acta Limnologica Brasiliensia     Open Access   (Followers: 3, SJR: 0.29, h-index: 6)
Acta Literaria     Open Access   (Followers: 3, SJR: 0.1, h-index: 2)
Acta Medica Colombiana     Open Access   (Followers: 1)
Acta Médica Costarricense     Open Access   (Followers: 2)
Acta Neurológica Colombiana     Open Access   (Followers: 1)
Acta Ortopédica Brasileira     Open Access   (Followers: 1, SJR: 0.288, h-index: 10)
Acta Paulista de Enfermagem     Open Access   (Followers: 2, SJR: 0.242, h-index: 15)
Acta Pediátrica Costarricense     Open Access   (Followers: 1)
Acta Scientiarum. Agronomy     Open Access   (Followers: 4, SJR: 0.961, h-index: 15)
Acta zoológica mexicana     Open Access  
Actualidades Biológicas     Open Access   (Followers: 1)
African Human Rights Law J.     Open Access   (Followers: 18)
African Natural History     Open Access   (Followers: 2, SJR: 0.106, h-index: 4)
Afro-Asia     Open Access  
Ágora - studies in psychoanalytic theory     Open Access   (Followers: 3, SJR: 0.101, h-index: 2)
Agricultura Tecnica     Open Access   (Followers: 6)
Agrociencia     Open Access   (Followers: 1, SJR: 0.213, h-index: 15)
Agrociencia Uruguay     Open Access  
Agronomía Mesoamericana     Open Access  
Aisthesis     Open Access   (Followers: 4, SJR: 0.1, h-index: 1)
Alea : Estudos Neolatinos     Open Access   (Followers: 1, SJR: 0.1, h-index: 3)
Alfa : Revista de Linguística     Open Access  
Alpha (Osorno)     Open Access   (SJR: 0.114, h-index: 3)
Ambiente & sociedade     Open Access   (Followers: 2, SJR: 0.142, h-index: 8)
Ambiente & Agua : An Interdisciplinary J. of Applied Science     Open Access   (Followers: 1, SJR: 0.221, h-index: 4)
Ambiente Construído     Open Access   (Followers: 1)
América Latina en la historia económica     Open Access   (Followers: 2, SJR: 0.148, h-index: 1)
Anais Brasileiros de Dermatologia     Open Access   (Followers: 2, SJR: 0.498, h-index: 23)
Anais da Academia Brasileira de Ciências     Open Access   (Followers: 2, SJR: 0.322, h-index: 42)
Anais do Museu Paulista : História e Cultura Material     Open Access   (Followers: 1)
Anales de Medicina Interna     Open Access   (Followers: 1)
Anales del Instituto de la Patagonia     Open Access   (Followers: 1)
Anales del Sistema Sanitario de Navarra     Open Access   (Followers: 1, SJR: 0.196, h-index: 18)
Análise Psicológica     Open Access   (Followers: 1, SJR: 0.129, h-index: 3)
Análise Social     Open Access   (Followers: 1, SJR: 0.109, h-index: 8)
Andean geology     Open Access   (Followers: 13, SJR: 0.997, h-index: 25)
Annali dell'Istituto Superiore di Sanità     Open Access   (SJR: 0.318, h-index: 29)
Antipoda. Revista de Antropología y Arqueología     Open Access   (Followers: 5, SJR: 0.1, h-index: 0)
Anuario Colombiano de Historia Social y de la Cultura     Open Access   (SJR: 0.101, h-index: 1)
Anuario de Historia Regional y de las Fronteras     Open Access  
Apuntes : Revista de Estudios sobre Patrimonio Cultural - J. of Cultural Heritage Studies     Open Access   (Followers: 4)
Archivos de Medicina Veterinaria     Open Access   (Followers: 2, SJR: 0.199, h-index: 16)
Archivos de Neurociencias     Open Access   (Followers: 3, SJR: 0.1, h-index: 4)
Archivos de Pediatria del Uruguay     Open Access   (Followers: 3)
Archivos de Zootecnia     Open Access   (Followers: 1, SJR: 0.248, h-index: 9)
Archivos Españoles de Urología     Open Access   (SJR: 0.188, h-index: 19)
ARQ     Open Access   (Followers: 4, SJR: 0.1, h-index: 2)
Arquitectura y Urbanismo     Open Access   (Followers: 2)
Arquivo Brasileiro de Medicina Veterinária e Zootecnia     Open Access   (SJR: 0.307, h-index: 22)
Arquivos Brasileiros de Cardiologia     Open Access   (Followers: 1, SJR: 0.334, h-index: 32)
Arquivos Brasileiros de Endocrinologia e Metabologia     Open Access  
Arquivos Brasileiros de Oftalmologia     Open Access   (SJR: 0.308, h-index: 19)
Arquivos de Gastroenterologia     Open Access   (Followers: 1, SJR: 0.424, h-index: 22)
Arquivos de Medicina     Open Access   (SJR: 0.1, h-index: 5)
Arquivos de Neuro-Psiquiatria     Open Access   (SJR: 0.374, h-index: 38)
Arquivos do Instituto Biológico     Open Access   (Followers: 1)
Arquivos Internacionais de Otorrinolaringologia     Open Access  
ARS     Open Access   (Followers: 2)
Atenea (Concepción)     Open Access   (SJR: 0.111, h-index: 3)
Atmósfera     Open Access   (Followers: 2, SJR: 0.377, h-index: 18)
Audiology - Communication Research     Open Access   (Followers: 9)
Avaliação : Revista da Avaliação da Educação Superior (Campinas)     Open Access  
Avances en Odontoestomatologia     Open Access   (Followers: 1, SJR: 0.109, h-index: 4)
Avances en Periodoncia e Implantología Oral     Open Access   (Followers: 1)
Bakhtiniana : Revista de Estudos do Discurso     Open Access  
BAR. Brazilian Administration Review     Open Access   (Followers: 1, SJR: 0.188, h-index: 6)
Biota Neotropica     Open Access   (SJR: 0.373, h-index: 18)
Biotecnología Aplicada     Open Access   (SJR: 0.122, h-index: 10)
Biotecnología en el Sector Agropecuario y Agroindustrial     Open Access  
Boletim de Ciências Geodésicas     Open Access   (SJR: 0.227, h-index: 5)
Boletim do Museu Paraense Emílio Goeldi. Ciências Humanas     Open Access   (Followers: 1, SJR: 0.139, h-index: 4)
Boletin Chileno de Parasitologia     Open Access  
Boletín de Filología     Open Access  
Boletín de la Sociedad Botánica de México     Open Access  
Boletin de la Sociedad Chilena de Quimica     Open Access  
Boletín de la Sociedad Geológica Mexicana     Open Access   (SJR: 0.231, h-index: 8)
Boletín del Museo Chileno de Arte Precolombino     Open Access   (Followers: 1, SJR: 0.149, h-index: 1)
Bosque     Open Access   (Followers: 2, SJR: 0.256, h-index: 10)
Bragantia     Open Access   (Followers: 2, SJR: 0.522, h-index: 20)
Brazilian Archives of Biology and Technology     Open Access   (Followers: 3, SJR: 0.242, h-index: 31)
Brazilian Dental J.     Open Access   (Followers: 2, SJR: 0.47, h-index: 34)
Brazilian J. of Biology     Open Access   (Followers: 3, SJR: 0.358, h-index: 35)
Brazilian J. of Chemical Engineering     Open Access   (Followers: 3, SJR: 0.424, h-index: 32)
Brazilian J. of Food Technology     Open Access   (Followers: 3)
Brazilian J. of Medical and Biological Research     Open Access   (SJR: 0.541, h-index: 70)
Brazilian J. of Microbiology     Open Access   (Followers: 3, SJR: 0.39, h-index: 38)
Brazilian J. of Oceanography     Open Access   (Followers: 1, SJR: 0.285, h-index: 13)
Brazilian J. of Oral Sciences     Open Access   (Followers: 1, SJR: 0.145, h-index: 6)
Brazilian J. of Physical Therapy     Open Access   (SJR: 0.466, h-index: 16)
Brazilian J. of Plant Physiology     Open Access   (Followers: 3, SJR: 0.452, h-index: 32)
Brazilian J. of Veterinary Research and Animal Science     Open Access   (Followers: 7, SJR: 0.184, h-index: 10)
Brazilian Oral Research     Open Access  
Brazilian Political Science Review     Open Access  
Bulletin of the World Health Organization     Open Access   (Followers: 15, SJR: 2.819, h-index: 123)
Caderno CRH     Open Access   (SJR: 0.102, h-index: 4)
Caderno de Estudos     Open Access  
Cadernos CEDES     Open Access   (Followers: 1, SJR: 0.111, h-index: 5)
Cadernos de Pesquisa     Open Access   (Followers: 2, SJR: 0.26, h-index: 8)
Cadernos de Saúde Pública     Open Access   (Followers: 1, SJR: 0.593, h-index: 55)
Cadernos de Tradução     Open Access  
Cadernos Metrópole     Open Access  
Cadernos Nietzsche     Open Access  
Cadernos Pagu     Open Access   (SJR: 0.179, h-index: 4)
Cadernos Saúde Coletiva     Open Access   (Followers: 1)
Calidad en la educación     Open Access   (Followers: 1)
Cerâmica     Open Access   (Followers: 4, SJR: 0.19, h-index: 11)
CES Medicina     Open Access  
Chilean J. of Agricultural Research     Open Access   (Followers: 1, SJR: 0.366, h-index: 15)
Chungara (Arica) - Revista de Antropologia Chilena     Open Access   (Followers: 1, SJR: 0.49, h-index: 13)
Ciência & Educação (Bauru)     Open Access  
Ciência & Saúde Coletiva     Open Access   (Followers: 2, SJR: 0.588, h-index: 30)
Ciência Animal Brasileira     Open Access   (SJR: 0.322, h-index: 4)
Ciência da Informação     Open Access   (Followers: 1, SJR: 0.117, h-index: 7)
Ciencia del suelo     Open Access   (Followers: 2, SJR: 0.206, h-index: 13)
Ciência e Agrotecnologia     Open Access   (SJR: 0.444, h-index: 19)
Ciencia e Cultura     Open Access   (Followers: 1)
Ciencia e investigación agraria     Open Access   (Followers: 1, SJR: 0.21, h-index: 10)
Ciencia forestal en México     Open Access  
Ciência Rural     Open Access   (Followers: 2, SJR: 0.389, h-index: 24)
Ciencia y Enfermeria - Revista Iberoamericana de Investigacion     Open Access   (Followers: 3, SJR: 0.165, h-index: 7)
Ciencias Marinas     Open Access   (Followers: 2, SJR: 0.348, h-index: 21)
Ciencias Psicológicas     Open Access  
Cirugia Plastica Ibero-Latinoamericana     Open Access   (SJR: 0.175, h-index: 8)
CLEI Electronic J.     Open Access  
Clínica y Salud     Open Access   (SJR: 0.15, h-index: 3)
Clinics     Open Access   (SJR: 0.525, h-index: 36)
CoDAS     Open Access   (SJR: 0.177, h-index: 12)
Computación y Sistemas     Open Access   (SJR: 0.253, h-index: 4)
Comuni@cción     Open Access  
Comunicación y sociedad     Open Access   (Followers: 2, SJR: 0.104, h-index: 1)
Contaduría y Administración     Open Access   (SJR: 0.103, h-index: 1)
Contexto Internacional     Open Access  
Convergencia     Open Access   (SJR: 0.112, h-index: 4)
Correo Científico Médico     Open Access  
Corrosão e Protecção de Materiais     Open Access  
Crop Breeding and Applied Biotechnology     Open Access   (Followers: 4, SJR: 0.604, h-index: 13)
Cuadernos de Economía     Open Access   (Followers: 1)
Cuadernos de Economia - Latin American J. of Economics     Open Access   (Followers: 1)
Cuadernos de Historia     Open Access   (Followers: 3)
Cuadernos de Historia de la Salud Publica     Open Access  
Cuadernos de Medicina Forense     Open Access   (Followers: 2, SJR: 0.106, h-index: 4)
Cuadernos.info     Open Access   (SJR: 0.117, h-index: 2)
Cubo. A Mathematical J.     Open Access  
Cuicuilco     Open Access   (Followers: 1)
Cultivos Tropicales     Open Access  
Culturales     Open Access   (Followers: 2)
Dados - Revista de Ciências Sociais     Open Access   (SJR: 0.429, h-index: 15)
De Jure     Open Access   (Followers: 1)
DELTA : Documentação de Estudos em Lingüística Teórica e Aplicada     Open Access   (SJR: 0.142, h-index: 5)
Dementia & Neuropsychologia     Open Access   (Followers: 5, SJR: 0.232, h-index: 10)
Dental Press J. of Orthodontics     Open Access   (Followers: 2, SJR: 0.214, h-index: 7)
Desacatos     Open Access   (Followers: 1)
Desarrollo y Sociedad     Open Access   (Followers: 3, SJR: 0.106, h-index: 2)
Diálogo Andino - Revista de Historia, Geografía y Cultura Andina     Open Access  
Diánoia     Open Access   (Followers: 1)
Dimensión Empresarial     Open Access  
Dynamis : Acta Hispanica ad Medicinae Scientiarumque Historiam Illustrandam     Open Access   (Followers: 1, SJR: 0.134, h-index: 7)
e-J. of Portuguese History     Open Access   (Followers: 2, SJR: 0.125, h-index: 2)
Eclética Química     Open Access   (Followers: 1)
Ecología en Bolivia     Open Access  
Economia Aplicada     Open Access   (SJR: 0.168, h-index: 6)
Economia e Sociedade     Open Access  
EconoQuantum     Open Access  
Educação & Sociedade     Open Access   (Followers: 3, SJR: 0.244, h-index: 12)
Educação e Pesquisa     Open Access   (Followers: 1, SJR: 0.171, h-index: 8)
Educação em Revista     Open Access  
Educación Matemática     Open Access  
Educación Médica     Open Access   (Followers: 1, SJR: 0.11, h-index: 7)
Educación Médica Superior     Open Access   (Followers: 1, SJR: 0.188, h-index: 7)
Educación y Educadores     Open Access   (Followers: 1)
Educar em Revista     Open Access  
EDUMECENTRO     Open Access  
En-Claves del pensamiento     Open Access   (Followers: 1)
Encuentros     Open Access  
Ene : Revista de Enfermería     Open Access  
Enfermería Global     Open Access   (Followers: 3, SJR: 0.14, h-index: 2)
Enfermería Nefrológica     Open Access   (Followers: 1)
Engenharia Agrícola     Open Access   (SJR: 0.396, h-index: 18)
Engenharia Sanitaria e Ambiental     Open Access   (SJR: 0.15, h-index: 10)
Ensaio Avaliação e Políticas Públicas em Educação     Open Access   (Followers: 1, SJR: 0.19, h-index: 6)
Entomologia y Vectores     Open Access   (Followers: 2)
Escritos de Psicología : Psychological Writings     Open Access   (Followers: 2)
Estudios Atacameños     Open Access   (Followers: 2, SJR: 0.418, h-index: 8)
Estudios Constitucionales     Open Access   (Followers: 4, SJR: 0.383, h-index: 5)
Estudios de Cultura Maya     Open Access   (Followers: 3, SJR: 0.167, h-index: 1)
Estudios de Economía     Open Access   (SJR: 0.144, h-index: 7)
Estudios de historia moderna y contemporánea de México     Open Access   (SJR: 0.101, h-index: 3)
Estudios Filologicos     Open Access   (SJR: 0.105, h-index: 3)
Estudios Fronterizos     Open Access   (Followers: 1)
Estudios internacionales     Open Access   (Followers: 5)
Estudios Pedagogicos (Valdivia)     Open Access   (Followers: 2, SJR: 0.209, h-index: 7)
Estudios Políticos     Open Access  

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Journal Cover Brazilian Journal of Medical and Biological Research
  [SJR: 0.541]   [H-I: 70]   [0 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 0100-879X - ISSN (Online) 1414-431X
   Published by SciELO Homepage  [718 journals]
  • Astragalus polysaccharides improve cardiomyopathy in STZ-induced diabetic
           mice and heterozygous (SOD2+/-) knockout mice

    • Abstract: Oxidative stress plays an important role in the development of diabetic cardiomyopathy. In the present study, we determined whether the effect of astragalus polysaccharides (APS) on diabetic cardiomyopathy was associated with its impact on oxidative stress. Streptozotocin (STZ)-induced diabetic mice and heterozygous superoxide dismutase (SOD2+/-) knockout mice were administered APS. The hemodynamics, cardiac ultrastructure, and the apoptosis, necrosis and proliferation of cardiomyocytes were assessed to evaluate the effect of APS on diabetic and oxidative cardiomyopathy. Furthermore, H2O2 formation, oxidative stress/damage, and SOD activity in cardiomyocytes were evaluated to determine the effects of APS on cardiac oxidative stress. APS therapy improved hemodynamics and myocardial ultrastructure with reduced apoptosis/necrosis, and enhanced proliferation in cardiomyocytes from both STZ-induced diabetic mice and heterozygous SOD2+/- knockout mice. In addition, APS therapy reduced H2O2 formation and oxidative stress/damage, and enhanced SOD activity in both groups of mice. Our findings suggest that APS had benefits in diabetic cardiomyopathy, which may be partly associated with its impact on cardiac oxidative stress.
       
  • Excavation of attractor modules for nasopharyngeal carcinoma via
           integrating systemic module inference with attract method

    • Abstract: The molecular mechanism of nasopharyngeal carcinoma (NPC) is poorly understood and effective therapeutic approaches are needed. This research aimed to excavate the attractor modules involved in the progression of NPC and provide further understanding of the underlying mechanism of NPC. Based on the gene expression data of NPC, two specific protein-protein interaction networks for NPC and control conditions were re-weighted using Pearson correlation coefficient. Then, a systematic tracking of candidate modules was conducted on the re-weighted networks via cliques algorithm, and a total of 19 and 38 modules were separately identified from NPC and control networks, respectively. Among them, 8 pairs of modules with similar gene composition were selected, and 2 attractor modules were identified via the attract method. Functional analysis indicated that these two attractor modules participate in one common bioprocess of cell division. Based on the strategy of integrating systemic module inference with the attract method, we successfully identified 2 attractor modules. These attractor modules might play important roles in the molecular pathogenesis of NPC via affecting the bioprocess of cell division in a conjunct way. Further research is needed to explore the correlations between cell division and NPC.
       
  • Inhibitory effect of the Pseudobrickellia brasiliensis (Spreng) R.M. King
           & H. Rob. aqueous extract on human lymphocyte proliferation and IFN-γ and
           TNF-α production in vitro

    • Abstract: Pseudobrickellia brasiliensis (Asteraceae) is a plant commonly known as arnica-do-campo and belongs to the native flora of the Brazilian Cerrado. The alcoholic extract of the plant has been used as an anti-inflammatory agent in folk medicine, but the biological mechanism of action has not been elucidated. The present study evaluated the composition of P. brasiliensis aqueous extract and its effects on pro-inflammatory cytokine production and lymphocyte proliferation. The extracts were prepared by sequential maceration of P. brasiliensis leaves in ethanol, ethyl acetate, and water. Extract cytotoxicity was evaluated by trypan blue exclusion assay, and apoptosis and necrosis were measured by staining with annexin V-FITC and propidium iodide. The ethanolic (ETA) and acetate (ACE) extracts showed cytotoxic effects. The aqueous extract (AQU) was not cytotoxic. Peripheral blood mononuclear cells stimulated with phorbol myristate acetate and ionomycin and treated with AQU (100 μg/mL) showed reduced interferon (IFN)-γ and tumor necrosis factor (TNF)-α expression. AQU also inhibited lymphocyte proliferative response after nonspecific stimulation with phytohemagglutinin. The aqueous extract was analyzed by liquid chromatography coupled with photodiode array detection and mass spectrometry. Quinic acid and its derivatives 5-caffeoylquinic acid and 3,5-dicaffeoylquinic acid, as well as the flavonoids luteolin and luteolin dihexoside, were detected. All these compounds are known to exhibit anti-inflammatory activity. Taken together, these findings demonstrate that P. brasiliensis aqueous extract can inhibit the pro-inflammatory cytokine production and proliferative response of lymphocytes. These effects may be related to the presence of chemical substances with anti-inflammatory actions previously reported in scientific literature.
       
  • Application of endoscopy to treat mandibular keratocystic odontogenic
           tumors

    • Abstract: The aim of this study was to evaluate the feasibility of endoscopy to remove keratocystic odontogenic tumors (KCOTs) with virtual 3D mandibular images. Fifteen patients (mean age, 40.27±14.58 years) who underwent endoscopic mandibular KCOT enucleation between May 2009 and October 2009 were included. Virtual 3D mandibular reconstructions derived from computed tomography (CT) imaging were generated for all patients. Recurrence and pathological fracture were evaluated as the primary outcome variables at 1 and 12 months after operation. Secondary infection and inferior alveolar nerve injury were evaluated as the secondary outcome variables at 1 and 6 months after operation. None of the 15 patients exhibited signs of recurrence or pathological fracture after operation. During long-term follow-up, no symptoms of inferior alveolar nerve injury or secondary infection were observed and no signs of recurrence were found in any of the patients. Endoscopy helps surgeons to remove mandibular KCOTs with small incisions. Moreover, endoscopy can provide clear and magnified views and help to avoid damage to the inferior alveolar neurovascular bundle. Therefore, under the support of preoperative virtual 3D mandibular images, the application of endoscopy to remove the tumors should be considered to be a treatment option for KCOTs.
       
  • Lipoprotein(a) as a predictor of poor collateral circulation in patients
           with chronic stable coronary heart disease

    • Abstract: As a mechanism compensating for obstructive coronary artery disease, coronary collateral circulation (CCC) has attracted cardiologists for a long time to explore its potential impact. In the present study, Chinese patients suffering from ≥95% coronary stenosis, as diagnosed by angiography, have been investigated for the correlation between CCC and lipoprotein(a) [Lp(a)] levels. A cohort of 654 patients was divided into four categories according to Rentrop grades 0, 1, 2, and 3. Lp(a) levels were divided into model 1, discretized with critical values of 33 and 66%, and model 2, discretized with a cutoff value of 30.0 mg/dL. Furthermore, we evaluated the correlation between CCC and serum Lp(a) levels. The four groups had significantly different Lp(a) levels (25.80±24.72, 18.99±17.83, 15.39±15.80, and 8.40±7.75 mg/dL; P<0.001). In model 1, concerning R0, the risk in the third Lp (a) tertile (OR=3.34, 95%CI=2.32-4.83) was greater than that in the first tertile. In model 2, concerning R0, the risk in Lp(a) >30.0 group (OR=6.77, 95%CI=4.44-10.4) was greater than that of Lp(a) <30.0 mg/dL. The worst condition of CCC can be predicted independently by Lp(a) levels. In addition to clinical usage, Lp(a) levels can also be utilized as biological markers.
       
 
 
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