The preventive effect of Bupleuri radix on liver damage induced by acetaminophen in the rats

시호가 acetaminophen으로 유도된 간손상 흰쥐에 미치는 영향

Kweon, Young-Mo;Lee, Jea-Eun;Park, Sun-Dong
권영모;이재은;박선동

  • Published : 20040000

Abstract

Objective : Acetaminophen is a widely used analgesic and antipyretic drug throughout the world. It is also an over-the-counter drug and considered a safe drug. But its overdose and other causes such as alcoholism and diabetes can bring about hepatotoxicity. The hepatotoxicity of APAP is believed to be due to NAPQI proouced by CYPs and reactive oxygen species (ROS). Method: Bupleuri radix(BR) at 500 mg/kg (p.o.) was administered to the male Sprague Dawley (5 weeks old)rats for one week, and then APAP at 500 mg/kg (abdominal injection) was given 24h after BR administration. This study was performed to research the protective effects of BR extract against APAP-induced hepatotoxicity. Result: The data including GOT, GPT, histological examination and GST indicated that BR has a significant antidotal effect on APAP overdose. Also, the date including LPO and catalase showed that BR has a antioxidant effect which is one of mechanisms of the hepatoprotective effect of BR. Finally, the data including GSH, GST, RT-PCH, Western blot showed that BR has a suppressive effect on the production of NAPQI, by regulating the expression of CYP 2EI. Conclusion: Based on these data, we concluded that the mechanisms underlying the protective effect of BR against APAP-induced liver damage are both the antioxidant effect against ROS and the inhibitory effect on the expression of CYP 2El, which leads to the suppression of NAPQI production.

Keywords

References

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