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Research on effect of the extract of Caulis Sinomenii on the expression of TNF-α, Cat-G and Cat-S in collagen induced arthritis rats / 国际中医中药杂志
International Journal of Traditional Chinese Medicine ; (6): 1059-1064, 2018.
Artigo em Chinês | WPRIM | ID: wpr-732844
ABSTRACT
Objective To explore the effect of sinomenine on the expression of tumor necrosis factor-α (TNF-α),cathepsin G (Cat-G) and cathepsin S (Cat-S) in rats with collagen induced arthritis (CIA).Methods The 60 SPF male Wistar rats were randomly divided into normal group,model group,high dose group,medium dose group,low dose group,and dexamethasone group (with 1 0 in each group).In the normal control group,the rats were given ordinary feed.For the other five groups,the rats were used to build a CIA model and give pharmacologic intervention in the following 20 days.After 20 days of inflammation,sinomenine would be divided into three different dose groups,with 120 mg/kg,90 mg/kg and 60 mg/kg,respectively,and each group was given a gavage daily.For the dexamethasone group,7.5 mg/kg dexamethasone was given for gavage once a day.In terms of the model group and normal group,the rats were perfused with the same volume of saline once daily.Then,taken the pictures of foot paw X-ray and foot paw pictures of rats in each group,measured the content of TNF-α,Cat-G,Cat-S in blood serum,observed the pathological changes in the synovial tissue of rats in each group by tissue section,measured the content of TNF-α,Cat-G,Cat-S in in spleen of rats by Immunohistochemical staining.Results The results of X-ray showed that there were obvious soft tissue swelling,joint deformity and osteolysis in the paws of the model group,and the above symptoms were alleviated in different degrees in each treatment group compared with the model group.Compared with the model group,the expression of TNF-α (376.48 ± 22.21 pg/ml,369.45 ± 82.68 pg/ml,425.17 ± 153.51 pg/ml vs.457.63 ± 152.67 pg/ml),Cat-G (1 398.05 ± 167.32 pg/ml,1 337.65 ± 209.34 pg/ml,1 412.78 ± 67.65 pg/ml vs.2 283.03 ± 185.21 pg/ml),and Cat-S (662.18 ± 169.66 pg/ml,406.80 ± 41.93 pg/ml,452.76 ± 50.49 pg/ml vs.838.11 ± 141.86 pg/ml) in blood serum of sinomenine high dose group,medium dose group and low dose group significantly decreased (P<0.05).The expression of TNF-α (0.28 ± 0.05,0.21 ± 0.03,0.34 ± 0.04 vs.0.50 ± 0.04),Cat-G (0.28 ± 0.02,0.18 ± 0.06,0.27 ± 0.02 vs.0.37 ± 0.03),and Cat-S (0.22 ± 0.02,0.18 ± 0.03,0.27 ± 0.02 vs.0.35 ± 0.03) in spleen tissue significantly decreased (P<0.05).The results of HE staining showed that the synovial tissue of normal rats was normal,the synovial tissue cells of model rats were damaged,the expression of inflammatory cells was significantly increased,and pannus hyperplasia was observed.Inflammatory cell infiltration and pannus hyperplasia were decreased in each group after administration.Conclusions Sinomenine has a sound and comprehensive intervention effect on rheumatoid arthritis,and the mechanism may be related to the inhibition of the expression ofTNF-α,Cat-G and Cat-S.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: International Journal of Traditional Chinese Medicine Ano de publicação: 2018 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: International Journal of Traditional Chinese Medicine Ano de publicação: 2018 Tipo de documento: Artigo