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The mechanism of nuclear factor-kappa B in thioactamide induced acute hepatic injury / 中华消化杂志
Chinese Journal of Digestion ; (12): 733-736, 2008.
Article in Chinese | WPRIM | ID: wpr-381599
ABSTRACT
Objective To investigate the mechanism of nuclear factor-kappa B(NF-κB)in thioactamide(TAA)induced acute hepatic injury.Methods Seventy-eight Wistar rats were randomly divided into normal group(n=18),TAA model group(n=30)and pyrrolidine dithiocarbamate (PDTC)pretreated group(n=30).The rats in PDTC group were received 100 rag/kg of PDTC 1 h before induction of the model.Every 10 rats in TAA group and PDTC pretreated group and 6 rats in normal group were sacrificed at 6,24,48 hour after induction of the model tO mesure levels of endotoxin,tumor necrosis factor(TNF)-α and interleukin(IL)-6.The expression of the intercellular adhesion molecular(ICAM)-1 in hepatic tissue was tested using RT-PCR and the NF-κB activity was 48 hour were higher in TAA group[(87.11±8.23)%.(78.55±6.82)%and(74.27±6.26)%,respectively]than those in normal group[(4.64±1.82)%,(4.55±1.67)%and(4.91±2.12)%,all comparison with normal group(P<0.01).The serum concentration of endotoxin and TNF-α in PDTC pretreated group were higher than those in normal group(P<0.0 1).but lower than those in TAA with ticrmal group(P<0.01).The serum concentration of IL-6 in PDTC pretreated group was higher at 24 and 48 hour than those in normal group(P<0.01),but lower than thoes in TAA group(P<group(P<0.01).The expression of ICAM-1 in PDTC pretreated group was higher than that in immunohistochemical examination showed that liver necrosis was folund in TAA group and PDTC pretreated group.Conclusion The Nuclear factor-κB may aggravate the injury of liver by promoting expressions of TNF-α,IL-6 and ICAM-1.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Digestion Year: 2008 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Digestion Year: 2008 Type: Article