针刺足三里对对乙酰氨基酚在大鼠体内代谢过程中相关酶学的影响

Chinese Journal of Basic Medicine in Traditional Chinese Medicine(2015)

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Abstract
目的:研究针刺足三里对对乙酰氨基酚(Acetaminophen,APAP)在大鼠体内代谢过程中相关酶学活性的影响,以探讨其影响药物代谢的作用机制.方法:70只SD大鼠按随机数字表法分为APAPL组和AcupL组、APAPM组和AcupM组、APAPH组和AcupH组、正常对熙组,7组大鼠给药或针刺后采集标本测定APAP代谢过程中相关酶学的活性.结果:与APAPM组和APAPH组比较,AcupM组和AcupH组血清谷胱甘肽S-转移酶(GST)活性显著提高,而肝脏GST活性明显减弱.与APAPM组和APAPH组比较,AcupM组和AcupH组肝脏线拉体Na+-K+-ATP酶、Ca2+-Mg2+-ATP酶和琥珀酸脱氢酶(SDH)活性明显降低.但针刺足三里对肝药酶Cyt.P450、Cyt.b5和NADPH-Cyt.P450还原酶活性的影响作用均不明显.结论:针刺足三里不通过抑制肝药酶而减慢APAP的代谢与消除,但随APAP给药剂量的增加,其会加重APAP对肝脏GST和能量代谢相关酶的抑制作用,减慢APAP的代谢与消除.
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Key words
Acupuncture,Zusanli,Paracetamol,Glutathione S-transferase,Energy metabolism enzymes,Drug metabolism enzymes,Rat
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