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[PMID]:29401501
[Au] Autor:Inomata T; Konno S; Nagai K; Suzuki M; Nishimura M
[Ad] Endereço:First Department of Medicine, Hokkaido University School of Medicine, Sapporo, Japan.
[Ti] Título:Neutrophil predominance in bronchoalveolar lavage fluid is associated with disease severity and progression of HRCT findings in pulmonary Mycobacterium avium infection.
[So] Source:PLoS One;13(2):e0190189, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Pulmonary Mycobacterium avium complex (MAC) infection is increasing in prevalence worldwide even in immunocompetent individuals. Despite its variable clinical course, the clinical and immunological factors associated with radiographical severity and progression are not largely unknown. We aimed to study the association between the inflammatory cell and cytokine profiles at the local infected site, and the radiological severity and/or progression of pulmonary MAC infection. In this retrospective cohort study, 22 healthy subjects and 37 consecutive patients who were diagnosed as having pulmonary MAC infection by positive cultures of bronchoalveolar lavage (BAL) fluids were enrolled. The 37 patients were divided into 2 groups based on the predominant BAL inflammatory cell type: the lymphocyte-dominant (LD) group and neutrophil-dominant (ND) groups. The high-resolution computed tomography score in both the lavaged segment and whole lung and cytokines profiles were compared between the 2 groups. The clinical course after the BAL procedure was also compared between the 2 groups. Both the segment and whole lung scores in the ND group were significantly higher than the LD group (P < 0.001). Levels of IL-8 in the BAL fluids were significantly higher in the ND group compared to the LD group (P = 0.01). In contrast, levels of IL-22 were significantly lower in the ND group compared to the LD group (P < 0.001). The prevalence of patients who showed deterioration of the disease was significantly higher in the ND group (83.3%) than the LD group (12.5%) (P < 0.01). Neutrophil-predominant inflammatory response at the infected site is associated with the radiographical severity and progression of pulmonary MAC infection.
[Mh] Termos MeSH primário: Líquido da Lavagem Broncoalveolar/imunologia
Infecção por Mycobacterium avium-intracellulare/imunologia
Neutrófilos/imunologia
Tomografia Computadorizada por Raios X/métodos
[Mh] Termos MeSH secundário: Adulto
Idoso
Estudos de Casos e Controles
Quimiocinas/metabolismo
Citocinas/metabolismo
Progressão da Doença
Ensaio de Imunoadsorção Enzimática
Feminino
Seres Humanos
Masculino
Meia-Idade
Infecção por Mycobacterium avium-intracellulare/diagnóstico por imagem
Infecção por Mycobacterium avium-intracellulare/patologia
Índice de Gravidade de Doença
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Chemokines); 0 (Cytokines)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180309
[Lr] Data última revisão:
180309
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180206
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0190189


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[PMID]:28453844
[Au] Autor:Suwarto S; Sasmono RT; Sinto R; Ibrahim E; Suryamin M
[Ad] Endereço:Division of Tropical and Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, Universitas Indonesia, Cipto Mangunkusumo National Hospital, Jakarta, Indonesia.
[Ti] Título:Association of Endothelial Glycocalyx and Tight and Adherens Junctions With Severity of Plasma Leakage in Dengue Infection.
[So] Source:J Infect Dis;215(6):992-999, 2017 03 15.
[Is] ISSN:1537-6613
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Background: The role of vascular endothelial (VE) components in dengue infection with plasma leakage is unknown. Therefore, we conducted a study to determine the adjusted association of the endothelial glycocalyx layer (EGL) and tight and adherens junction markers with plasma leakage. Methods: A prospective observational study was conducted at Cipto Mangunkusumo Hospital and Persahabatan Hospital, Jakarta, Indonesia. Adult dengue patients admitted to the hospital on the third day of fever from November 2013 through August 2015 were included in the study. Multiple regression analysis was used to determine the adjusted association of the VE biomarkers with the severity of the plasma leakage. Results: A total of 103 dengue-infected patients participated in the study. In the critical phase, levels of syndecan-1 (odds ratio [OR] = 1.004; 95% confidence interval [CI] = 1.001-1.007) and chondroitin sulfate (OR = 1.157; 95% CI = 1.025-1.307) had an adjusted association with plasma leakage, whereas levels of syndecan-1 (OR = 1.004; 95% CI = 1.000-1.008) and claudin-5 (OR = 1.038; 95% CI = 1.004-1.074) had an adjusted association with severe plasma leakage. Conclusions: In dengue-infected patients, elevated levels of syndecan-1 and chondroitin sulfate are strongly associated with plasma leakage, and elevated levels of syndecan-1 and claudin-5 are strongly associated with severe plasma leakage.
[Mh] Termos MeSH primário: Sulfatos de Condroitina/sangue
Claudina-5/sangue
Dengue/sangue
Glicocálix/metabolismo
Sindecana-1/sangue
Junções Íntimas/metabolismo
[Mh] Termos MeSH secundário: Adolescente
Adulto
Biomarcadores/sangue
Permeabilidade Capilar
Quimiocinas/sangue
Endotélio Vascular/metabolismo
Feminino
Febre
Seres Humanos
Indonésia
Masculino
Razão de Chances
Estudos Prospectivos
Análise de Regressão
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; OBSERVATIONAL STUDY
[Nm] Nome de substância:
0 (Biomarkers); 0 (Chemokines); 0 (Claudin-5); 0 (Syndecan-1); 9007-28-7 (Chondroitin Sulfates)
[Em] Mês de entrada:1706
[Cu] Atualização por classe:180308
[Lr] Data última revisão:
180308
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:170429
[St] Status:MEDLINE
[do] DOI:10.1093/infdis/jix041


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[PMID]:28465628
[Au] Autor:Jones DP; True HD; Patel J
[Ad] Endereço:Division of Cardiovascular Medicine, Radcliffe Department of Medicine, British Heart Foundation Centre of Research Excellence, University of Oxford and John Radcliffe Hospital, Oxford OX3 9DU, UK.
[Ti] Título:Leukocyte Trafficking in Cardiovascular Disease: Insights from Experimental Models.
[So] Source:Mediators Inflamm;2017:9746169, 2017.
[Is] ISSN:1466-1861
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Chemokine-induced leukocyte migration into the vessel wall is an early pathological event in the progression of atherosclerosis, the underlying cause of myocardial infarction. The immune-inflammatory response, mediated by both the innate and adaptive immune cells, is involved in the initiation, recruitment, and resolution phases of cardiovascular disease progression. Activation of leukocytes via inflammatory mediators such as chemokines, cytokines, and adhesion molecules is instrumental in these processes. In this review, we highlight leukocyte activation with the main focus being on the mechanisms of chemokine-mediated recruitment in atherosclerosis and the response postmyocardial infarction with key examples from experimental models of cardiovascular inflammation.
[Mh] Termos MeSH primário: Doenças Cardiovasculares/imunologia
Doenças Cardiovasculares/metabolismo
Leucócitos/metabolismo
[Mh] Termos MeSH secundário: Animais
Doenças Cardiovasculares/patologia
Quimiocinas/metabolismo
Citocinas/metabolismo
Seres Humanos
Leucócitos/imunologia
Modelos Teóricos
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW
[Nm] Nome de substância:
0 (Chemokines); 0 (Cytokines)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180306
[Lr] Data última revisão:
180306
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170504
[St] Status:MEDLINE
[do] DOI:10.1155/2017/9746169


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[PMID]:28466561
[Au] Autor:Li W; Amet T; Xing Y; Yang D; Liangpunsakul S; Puri P; Kamath PS; Sanyal AJ; Shah VH; Katz BP; Radaeva S; Crabb DW; Chalasani N; Yu Q
[Ad] Endereço:Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN.
[Ti] Título:Alcohol abstinence ameliorates the dysregulated immune profiles in patients with alcoholic hepatitis: A prospective observational study.
[So] Source:Hepatology;66(2):575-590, 2017 08.
[Is] ISSN:1527-3350
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Alcoholic hepatitis (AH) develops in only a small proportion of heavy drinkers. To better understand the mechanisms underlying this disparity, we conducted a study to define the relationship between AH development and dysregulated immune responses that might be ameliorated by alcohol abstinence. Sixty-eight AH patients, 65 heavy drinking controls without liver disease (HDC), and 20 healthy controls were enrolled and followed up to 12 months. At baseline, HDC and healthy controls had no significant differences in their plasma levels of 38 inflammatory cytokines/chemokines measured using multiplex immunoassays. However, compared to HDC, AH patients had higher baseline levels of 11 cytokines/chemokines (tumor necrosis factor alpha, interleukin 6 [IL-6], IL-8, interferon gamma-induced protein 10, IL-4, IL-9, IL-10, fibroblast growth factor 2, IL-7, IL-15, and transforming growth factor alpha) but lower levels of the anti-inflammatory macrophage-derived chemokine. AH patients also had more activated yet dysfunctional immune cells as monocytes, T cells, and B cells expressed higher levels of cluster of differentiation 38 (CD38) and CD69 but low levels of human leukocyte antigen DR, CD80, and CD86 at baseline. In addition, CD4 T cells produced less interferon-gamma in response to T-cell stimulation. Up-regulated IL-6, IL-8, CD38, and CD69 and down-regulated macrophage-derived chemokine, human leukocyte antigen DR, CD86, and CD80 correlated positively and negatively, respectively, with disease severity. Longitudinal analysis indicated that levels of IL-6, IL-8, CD38, and CD69 were reduced, whereas levels of macrophage-derived chemokine, human leukocyte antigen DR, CD80, and CD86 were increased in abstinent AH patients. All of the cellular immune abnormalities were reversed by day 360 in abstinent AH patients; however, plasma levels of tumor necrosis factor alpha, IL-8, IL-10, fibroblast growth factor 2, and IL-7 remained higher. CONCLUSION: AH patients were in a highly immune-dysregulated state, whereas HDC showed little evidence of immune activation; alcohol abstinence reversed most, but not all, of the immunological abnormalities. (Hepatology 2017;66:575-590).
[Mh] Termos MeSH primário: Abstinência de Álcool
Citocinas/sangue
Hepatite Alcoólica/imunologia
Imunidade Celular/fisiologia
[Mh] Termos MeSH secundário: Adulto
Biomarcadores/sangue
Estudos de Casos e Controles
Quimiocinas/sangue
Progressão da Doença
Ensaio de Imunoadsorção Enzimática
Feminino
Citometria de Fluxo
Hepatite Alcoólica/fisiopatologia
Seres Humanos
Interleucina-6/sangue
Interleucina-8/sangue
Masculino
Meia-Idade
Estudos Prospectivos
Medição de Risco
[Pt] Tipo de publicação:JOURNAL ARTICLE; OBSERVATIONAL STUDY; RESEARCH SUPPORT, N.I.H., EXTRAMURAL
[Nm] Nome de substância:
0 (Biomarkers); 0 (Chemokines); 0 (Cytokines); 0 (Interleukin-6); 0 (Interleukin-8)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:180228
[Lr] Data última revisão:
180228
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170504
[St] Status:MEDLINE
[do] DOI:10.1002/hep.29242


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[PMID]:29342173
[Au] Autor:Gautam M; Bhattacharya I; Rai U; Majumdar SS
[Ad] Endereço:Department of Zoology, University of Delhi, Delhi, India.
[Ti] Título:Hormone induced differential transcriptome analysis of Sertoli cells during postnatal maturation of rat testes.
[So] Source:PLoS One;13(1):e0191201, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Sertoli cells (Sc) are unique somatic cells of testis that are the target of both FSH and testosterone (T) and regulate spermatogenesis. Although Sc of neonatal rat testes are exposed to high levels of FSH and T, robust differentiation of spermatogonial cells becomes conspicuous only after 11-days of postnatal age. We have demonstrated earlier that a developmental switch in terms of hormonal responsiveness occurs in rat Sc at around 12 days of postnatal age during the rapid transition of spermatogonia A to B. Therefore, such "functional maturation" of Sc, during pubertal development becomes prerequisite for the onset of spermatogenesis. However, a conspicuous difference in robust hormone (both T and FSH) induced gene expression during the different phases of Sc maturation restricts our understanding about molecular events necessary for the spermatogenic onset and maintenance. Here, using microarray technology, we for the first time have compared the differential transcriptional profile of Sc isolated and cultured from immature (5 days old), maturing (12 days old) and mature (60 days old) rat testes. Our data revealed that immature Sc express genes involved in cellular growth, metabolism, chemokines, cell division, MAPK and Wnt pathways, while mature Sc are more specialized expressing genes involved in glucose metabolism, phagocytosis, insulin signaling and cytoskeleton structuring. Taken together, this differential transcriptome data provide an important resource to reveal the molecular network of Sc maturation which is necessary to govern male germ cell differentiation, hence, will improve our current understanding of the etiology of some forms of idiopathic male infertility.
[Mh] Termos MeSH primário: Células de Sertoli/metabolismo
Testículo/crescimento & desenvolvimento
Testículo/metabolismo
[Mh] Termos MeSH secundário: Animais
Apoptose/genética
Diferenciação Celular/efeitos dos fármacos
Quimiocinas/genética
Citocinas/genética
Citoesqueleto/genética
Hormônio Foliculoestimulante/metabolismo
Hormônio Foliculoestimulante/farmacologia
Perfilação da Expressão Gênica
Substâncias de Crescimento/genética
Sistema de Sinalização das MAP Quinases/genética
Masculino
Proteínas Monoméricas de Ligação ao GTP/genética
Análise de Sequência com Séries de Oligonucleotídeos
Fagocitose/genética
Ratos
Ratos Wistar
Células de Sertoli/citologia
Células de Sertoli/efeitos dos fármacos
Espermatogênese/efeitos dos fármacos
Espermatogênese/genética
Espermatogênese/fisiologia
Testículo/efeitos dos fármacos
Testosterona/metabolismo
Testosterona/farmacologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Chemokines); 0 (Cytokines); 0 (Growth Substances); 3XMK78S47O (Testosterone); 9002-68-0 (Follicle Stimulating Hormone); EC 3.6.5.2 (Monomeric GTP-Binding Proteins)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180221
[Lr] Data última revisão:
180221
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180118
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0191201


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[PMID]:29304171
[Au] Autor:Galán A; Mayer I; Rafaj RB; Bendelja K; Susic V; Cerón JJ; Mrljak V
[Ad] Endereço:ERA Chair project ''VetMedZg'', Clinic for Internal Diseases, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia.
[Ti] Título:MCP-1, KC-like and IL-8 as critical mediators of pathogenesis caused by Babesia canis.
[So] Source:PLoS One;13(1):e0190474, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Canine babesiosis caused by the intraerythrocytic protozoan parasite Babesia canis is a tick-borne disease characterized by a host response that involves both cellular and humoral immunity. This study focuses on the secretion of cytokines Granulocyte-Macrophage Colony-Stimulating Factor (GM-CSF), Keratinocyte Chemotactic-like (KC-like), Interleukins (IL)-2, IL-7, IL-8, IL-10, IL-15, IL-18 and Monocyte Chemotactic Protein-1 (MCP-1) in babesiosis caused by Babesia canis upon treatment with Imizol®. We assessed time dependent changes in cytokine levels and tested whether these changes correlate with pathogenesis of the disease. Sixteen healthy dogs and 31 dogs infected with Babesia canis, of which 18 showed complications, were treated with Imizol®. One dog died during the study (3.2%). Longitudinal study was perfomed by monitoring dogs at the first day of presentation (day 1) and 6 days later (day 7). Our results show that higher MCP-1 levels on day 1 are positively associated with the occurrence of complications, (complicated vs. uncomplicated; p = 0.00016). A similar pattern was observed for KC-like on day 1 (p = 0.0326) and day 7 (p = 0.044). Moreover, babesiosis caused by B. canis produced a steady increase in IL-8 levels with a moderate to strong negative correlation with erythrocyte counts and hematocrit in uncomplicated diseased dogs only (Spearman's rank correlation coefficient rs = -0.582 and rs = -0.598 respectively). Like for MCP-1, KC-like levels also differed in complicated and uncomplicated diseased dogs on day 1 (p = 0.03236) and day 7 (p = 0.044). Furthermore, KC-like levels were strongly correlated with IL-8 levels (rs = 0.663-0.7) and non-segmented neutrophil counts (rs = 0.572-0.732) in both diseased groups. Analysis of ROC suggests the use of serum levels of MCP-1 and IL-7 as predictors of the occurrence of complications with an AUC of 0.906 and 0.896 respectively and linear combinations of MCP-1, KC-Like, IL-7 and GM-CSF with values up to AUC = 0.983. Cytokine cluster analysis presented in this study can contribute to a better understanding of the pathogenesis of babesiosis and serve as a prognostic tool for the early detection of cases with highest likelihood of developing complications. Overall, our studies show that infection by B. canis elicits a cytokine pattern that is distinct from that observed with B. rossi, and that some of the inflammatory mediators can be useful to predict complications. Our results also suggest targets for the development of novel therapeutic strategies in babesiosis caused by B. canis.
[Mh] Termos MeSH primário: Babesia/patogenicidade
Babesiose/fisiopatologia
Quimiocina CCL2/secreção
Quimiocinas/fisiologia
Doenças do Cão/fisiopatologia
Fator Estimulador de Colônias de Granulócitos e Macrófagos/secreção
Interleucina-8/secreção
[Mh] Termos MeSH secundário: Animais
Babesiose/parasitologia
Quimiocina CCL2/fisiologia
Doenças do Cão/parasitologia
Cães
Fator Estimulador de Colônias de Granulócitos e Macrófagos/fisiologia
Interleucina-8/fisiologia
Estudos Longitudinais
Estudos Retrospectivos
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Chemokine CCL2); 0 (Chemokines); 0 (Interleukin-8); 83869-56-1 (Granulocyte-Macrophage Colony-Stimulating Factor)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180221
[Lr] Data última revisão:
180221
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180106
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0190474


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[PMID]:28456769
[Au] Autor:Al Dera H
[Ad] Endereço:Department of Basic Medical Sciences, College of Medicine at King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Kingdom of Saudi Arabia. derah@ksau-hs.edu.sa.
[Ti] Título:Neuroprotective effect of resveratrol against late cerebral ischemia reperfusion induced oxidative stress damage involves upregulation of osteopontin and inhibition of interleukin-1beta.
[So] Source:J Physiol Pharmacol;68(1):47-56, 2017 Feb.
[Is] ISSN:1899-1505
[Cp] País de publicação:Poland
[La] Idioma:eng
[Ab] Resumo:This study was carried out to investigate the expression pattern and role of osteopontin (OPN) in late global ischemia-reperfusion (I/R) injury with or without resveratrol (RES) pre-treatment. Young male rats were divided into 3 groups (n = 12) of I) sham, II) I/R model group and III) I/R + RES. Vehicle and RES (20 mg/kg) were administered to designed groups intraperitoneally 30 days prior global I/R injury (2-VO) induction and continued for 7 days, later. Then, percentages of infarct areas, mRNA levels of OPN, inducible nitric oxide synthase (iNOS) and other biochemical parameter related to endogenous antioxidants activities and inflammation were measured in the cerebral cortices of all groups. Significant elevations in the levels of malondialdehyde (MDA), the inflammatory mediator interleukin 1ß (IL-1ß), chemokines (KC and MIP-2) and adhesive molecules (ICAM-1) as well as parallel reductions in enzymes activities of superoxide dismutase (SOD), glutathione peroxidase (GPx) and chloramphenicol acetyltransferase (CAT) were observed in the cerebral homogenates of rats with late I/R injury. Associated with these changes, mRNA levels of OPN were significantly downregulated and those of iNOS and Bax were upregulated. All these changes were reversed by in 2-VO I/R induced rats pre-administered RES. These findings suggest that inhibition of sustained inflammatory response driven by IL-1ß, decreased activities of endogenous antioxidants and downregulation of OPN induced upregulation of iNOS play important roles in the pathogenesis of neurodegeneration during late cerebral I/R injury, effects that can be modulated by RES which might explain its neuroprotection effect during late global ischemia.
[Mh] Termos MeSH primário: Isquemia Encefálica/metabolismo
Fármacos Neuroprotetores/farmacologia
Traumatismo por Reperfusão/metabolismo
Estilbenos/farmacologia
[Mh] Termos MeSH secundário: Animais
Isquemia Encefálica/tratamento farmacológico
Catalase/metabolismo
Córtex Cerebral/metabolismo
Quimiocina CXCL2/metabolismo
Quimiocinas/metabolismo
Glutationa Peroxidase/metabolismo
Molécula 1 de Adesão Intercelular/metabolismo
Interleucina-1beta/antagonistas & inibidores
Interleucina-1beta/metabolismo
Masculino
Fármacos Neuroprotetores/uso terapêutico
Óxido Nítrico Sintase Tipo II/genética
Osteopontina/genética
Estresse Oxidativo/efeitos dos fármacos
Ratos Wistar
Traumatismo por Reperfusão/tratamento farmacológico
Estilbenos/uso terapêutico
Superóxido Dismutase/metabolismo
Regulação para Cima
Proteína X Associada a bcl-2/genética
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Bax protein, rat); 0 (Chemokine CXCL2); 0 (Chemokines); 0 (Cxcl2 protein, rat); 0 (IL1B protein, rat); 0 (Interleukin-1beta); 0 (Neuroprotective Agents); 0 (Spp1 protein, rat); 0 (Stilbenes); 0 (bcl-2-Associated X Protein); 106441-73-0 (Osteopontin); 126547-89-5 (Intercellular Adhesion Molecule-1); 147037-79-4 (keratinocyte-derived chemokines); EC 1.11.1.6 (Catalase); EC 1.11.1.9 (Glutathione Peroxidase); EC 1.14.13.39 (Nitric Oxide Synthase Type II); EC 1.14.13.39 (Nos2 protein, rat); EC 1.15.1.1 (Superoxide Dismutase); Q369O8926L (resveratrol)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180220
[Lr] Data última revisão:
180220
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170501
[St] Status:MEDLINE


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[PMID]:28469998
[Au] Autor:Yang X; Xie J; Jia L; Liu N; Liang Y; Wu F; Liang B; Li Y; Wang J; Sheng C; Li H; Liu H; Ma Q; Yang C; Du X; Qiu S; Song H
[Ad] Endereço:Center for Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical SciencesBeijing, China.
[Ti] Título:Analysis of miRNAs Involved in Mouse Brain Damage upon Enterovirus 71 Infection.
[So] Source:Front Cell Infect Microbiol;7:133, 2017.
[Is] ISSN:2235-2988
[Cp] País de publicação:Switzerland
[La] Idioma:eng
[Ab] Resumo:Enterovirus 71 (EV71) infects the central nervous system (CNS) and causes brainstem encephalitis in children. MiRNAs have been found to play various functions in EV71 infection in human cell lines. To identify potential miRNAs involved in the inflammatory injury in CNS, our study, for the first time, performed a miRNA microarray assay using EV71 infected mice brains. Twenty differentially expressed miRNAs were identified (four up- and 16 down-regulated) and confirmed by qRT-PCR. The target genes of these miRNAs were analyzed using KEGG (Kyoto Encyclopedia of Genes and Genomes) analysis, revealing that the miRNAs were mainly involved in the regulation of inflammation and neural system function. MiR-150-5p, -3082-5p, -3473a, -468-3p, -669n, -721, -709, and -5107-5p that regulate MAPK and chemokine signaling were all down-regulated, which might result in increased cytokine production. In addition, miR-3473a could also regulate focal adhesion and leukocyte trans-endothelial migration, suggesting a role in virus-induced blood-brain barrier disruption. The miRNAs and pathways identified in this study could help to understand the intricate interactions between EV71 and the brain injury, offering new insight for the future research of the molecular mechanism of EV71 induced brainstem encephalitis.
[Mh] Termos MeSH primário: Lesões Encefálicas/patologia
Encéfalo/virologia
Enterovirus Humano A/patogenicidade
MicroRNAs/metabolismo
MicroRNAs/farmacologia
[Mh] Termos MeSH secundário: Animais
Barreira Hematoencefálica
Encéfalo/patologia
Lesões Encefálicas/virologia
Linhagem Celular
Sistema Nervoso Central/patologia
Sistema Nervoso Central/virologia
Quimiocinas/metabolismo
Citocinas/metabolismo
Regulação para Baixo
Enterovirus Humano A/genética
Infecções por Enterovirus
Perfilação da Expressão Gênica
Seres Humanos
Inflamação
Camundongos
MicroRNAs/genética
Quinases de Proteína Quinase Ativadas por Mitógeno/metabolismo
Reação em Cadeia da Polimerase em Tempo Real
Taxa de Sobrevida
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Chemokines); 0 (Cytokines); 0 (MicroRNAs); EC 2.7.12.2 (Mitogen-Activated Protein Kinase Kinases)
[Em] Mês de entrada:1712
[Cu] Atualização por classe:180216
[Lr] Data última revisão:
180216
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170505
[St] Status:MEDLINE
[do] DOI:10.3389/fcimb.2017.00133


  9 / 13546 MEDLINE  
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[PMID]:29293587
[Au] Autor:Henschel AM; Cabrera SM; Kaldunski ML; Jia S; Geoffrey R; Roethle MF; Lam V; Chen YG; Wang X; Salzman NH; Hessner MJ
[Ad] Endereço:The Max McGee National Research Center for Juvenile Diabetes at the Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America.
[Ti] Título:Modulation of the diet and gastrointestinal microbiota normalizes systemic inflammation and ß-cell chemokine expression associated with autoimmune diabetes susceptibility.
[So] Source:PLoS One;13(1):e0190351, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Environmental changes associated with modern lifestyles may underlie the rising incidence of Type 1 diabetes (T1D). Our previous studies of T1D families and the BioBreeding (BB) rat model have identified a peripheral inflammatory state that is associated with diabetes susceptibility, consistent with pattern recognition receptor ligation, but is independent of disease progression. Here, compared to control strains, islets of spontaneously diabetic BB DRlyp/lyp and diabetes inducible BB DR+/+ weanlings provided a standard cereal diet expressed a robust proinflammatory transcriptional program consistent with microbial antigen exposure that included numerous cytokines/chemokines. The dependence of this phenotype on diet and gastrointestinal microbiota was investigated by transitioning DR+/+ weanlings to a gluten-free hydrolyzed casein diet (HCD) or treating them with antibiotics to alter/reduce pattern recognition receptor ligand exposure. Bacterial 16S rRNA gene sequencing revealed that these treatments altered the ileal and cecal microbiota, increasing the Firmicutes:Bacteriodetes ratio and the relative abundances of lactobacilli and butyrate producing taxa. While these conditions did not normalize the inherent hyper-responsiveness of DR+/+ rat leukocytes to ex vivo TLR stimulation, they normalized plasma cytokine levels, plasma TLR4 activity levels, the proinflammatory islet transcriptome, and ß-cell chemokine expression. In lymphopenic DRlyp/lyp rats, HCD reduced T1D incidence, and the introduction of gluten to this diet induced islet chemokine expression and abrogated protection from diabetes. Overall, these studies link BB rat islet-level immunocyte recruiting potential, as measured by ß-cell chemokine expression, to a genetically controlled immune hyper-responsiveness and innate inflammatory state that can be modulated by diet and the intestinal microbiota.
[Mh] Termos MeSH primário: Quimiocinas/metabolismo
Diabetes Mellitus Tipo 1/imunologia
Dieta
Microbioma Gastrointestinal
Inflamação/prevenção & controle
Ilhotas Pancreáticas/metabolismo
[Mh] Termos MeSH secundário: Animais
Citocinas/sangue
Perfilação da Expressão Gênica
Imunidade Inata
Inflamação/imunologia
Mediadores da Inflamação/sangue
Ratos
Ratos Endogâmicos F344
Transcrição Genética
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Chemokines); 0 (Cytokines); 0 (Inflammation Mediators)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180215
[Lr] Data última revisão:
180215
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180103
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0190351


  10 / 13546 MEDLINE  
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[PMID]:29369549
[Au] Autor:Nasibullin TR; Yagafarova LF; Yagafarov IR; Timasheva YR; Erdman VV; Tuktarova IA; Mustafina OE
[Ti] Título:[Association of polymorphic markers of chemokine genes, their receptors, and CD14 gene with coronary atherosclerosis].
[So] Source:Genetika;52(8):966-74, 2016 Aug.
[Is] ISSN:0016-6758
[Cp] País de publicação:Russia (Federation)
[La] Idioma:rus
[Ab] Resumo:Atherosclerosis represents an inflammatory response to the disturbance of the endothelial layer in the arterial bloodstream. In the present study, an analysis of associations of polymorphic markers for the genes controlling synthesis of proteins involved in atherosclerosis pathogenesis in coronary atherosclerosis (CA) patients (217 subjects) and in a control group (250 subjects) was conducted. The following genes were examined: rs991804 (CCL2 gene), rs1126579 (CXCR2 gene), rs4074 (CXCL1 gene), rs4073 (CXCL8 gene), rs333 (CCR5 gene), rs2471859 (CXCR4 gene), rs1801157 (CXCL12 gene), and rs2569190 (CD14 gene). Using the Monte Carlo and Markov chain (APSampler) method, allele/genotype combinations associated with both low and high CA risk were revealed. The most important findings included the following: CXCR4*T/T + CCL2*C + CCR5*I/I (P perm = 1 × 10­6, OR = 0.44, 95% CI 0.3­0.63), CXCR2*C + CD14*C + CXCL12*G + CCL2*C + CCR5*D (P perm = 4 × 10­6, OR = 5.78, 95% CI 2.34­14.28), CD14*C + CCL2*C/C + CCR5*D (P perm = 6.3 × 10­6, OR = 5.81, 95% CI 2.17­15.56), CXCL8*A + CXCR2*C + CD14*T + CXCR4*C (P perm = 0.01, OR = 3.21, 95% CI 1.63­6.31).
[Mh] Termos MeSH primário: Quimiocinas/genética
Doença da Artéria Coronariana/genética
Receptores de Lipopolissacarídeos/genética
Polimorfismo Genético
Receptores de Quimiocinas/genética
[Mh] Termos MeSH secundário: Feminino
Seres Humanos
Masculino
Meia-Idade
[Pt] Tipo de publicação:CLINICAL TRIAL; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Chemokines); 0 (Lipopolysaccharide Receptors); 0 (Receptors, Chemokine)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180205
[Lr] Data última revisão:
180205
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180126
[St] Status:MEDLINE



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