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1.
Acta cir. bras ; 29(12): 1-7, 12/2014. graf, tab, ilus
Artigo em Inglês | LILACS, VETINDEX | ID: biblio-1456222

Resumo

PURPOSE:To study the anti-inflammatory actions of electroacupuncture (EAc) on an experimental colitis model in mice.METHODS:Thirty-eight male Swiss mice, divided in five groups, were subjected to induction of colitis by TNBS in 50% ethanol. Saline (SAL) and ethanol (ETNL) groups served as controls. TNBS+EAc and TNBS+ dexamethasone subgroups were treated with EAc 100Hz and dexamethasone (DEXA) 1 mg/Kg/day, respectively. After three days, a colon segment was obtained for quantification of myeloperoxidase (MPO) activity, immunohistochemistry for iNOS, malondialdehyde (MDA) and cytokines (IL-1β and IL-10).RESULTS:Neutrophilic activity, assayed as MPO activity, was significantly higher in the TNBS colitis group than that in the saline control group. TNBS+EAc group showed suppression of IL-10 in the colon. EAc treatment significantly reduced the concentration of MDA and the expression of iNOS, as compared to the other groups. CONCLUSION: Electroacupuncture 100Hz applied to acupoint ST-36 promotes an anti-inflammatory action on the TNBS-induced colitis, mediated by increase of IL-10 and decrease of iNOS expression.


Assuntos
Animais , Camundongos , Colite/induzido quimicamente , Eletroacupuntura/veterinária , Trinitrobenzenos , Óxido Nítrico Sintase
2.
Acta cir. bras. ; 29(12): 1-7, Dec. 2014. graf, tab, ilus
Artigo em Inglês | VETINDEX | ID: vti-18918

Resumo

PURPOSE:To study the anti-inflammatory actions of electroacupuncture (EAc) on an experimental colitis model in mice.METHODS:Thirty-eight male Swiss mice, divided in five groups, were subjected to induction of colitis by TNBS in 50% ethanol. Saline (SAL) and ethanol (ETNL) groups served as controls. TNBS+EAc and TNBS+ dexamethasone subgroups were treated with EAc 100Hz and dexamethasone (DEXA) 1 mg/Kg/day, respectively. After three days, a colon segment was obtained for quantification of myeloperoxidase (MPO) activity, immunohistochemistry for iNOS, malondialdehyde (MDA) and cytokines (IL-1β and IL-10).RESULTS:Neutrophilic activity, assayed as MPO activity, was significantly higher in the TNBS colitis group than that in the saline control group. TNBS+EAc group showed suppression of IL-10 in the colon. EAc treatment significantly reduced the concentration of MDA and the expression of iNOS, as compared to the other groups. CONCLUSION: Electroacupuncture 100Hz applied to acupoint ST-36 promotes an anti-inflammatory action on the TNBS-induced colitis, mediated by increase of IL-10 and decrease of iNOS expression.(AU)


Assuntos
Animais , Camundongos , Eletroacupuntura/veterinária , Interleucina-10 , Trinitrobenzenos , Colite/induzido quimicamente , Óxido Nítrico Sintase
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