Oxidant에 의한 신장세뇨관 물질이동계의 장애에 대한 단삼(丹參)의 효과

Effect of Salviae-radix on oxidant-induced impairment of membrane transport function in renal tubules

  • 김상범 (동국대학교 한의과대학 내과학교실) ;
  • 정지천 (동국대학교 한의과대학 내과학교실)
  • Kim, Sang-Beum (Dept. of Internal Medicine, College of Oriental Medicine, Dong-guk University) ;
  • Jeong, Ji-Cheon (Dept. of Internal Medicine, College of Oriental Medicine, Dong-guk University)
  • 발행 : 1997.06.30

초록

This study was undertaken to determine whether Salviae-radix (SVR) exraction exerts benefical effect against oxidant-induced inhibition of tetraethylammonium (TEA) uptake which is actively secreted by renal proximal tubules. TEA uptake increased as function of incubation time to 60 min. When renal cortical slices were exposed to 50 mM $H_2O_2$, TEA uptake was significantly inhibited. The inhibition was significantly protected by addition of 0.5% SVR extraction. The benefical effect of SVR was dose-dependent over the concentration range of 0.1-1%; $H_2O_2$ (50 mM)-induced inhibition of TEA uptake was completely protected by 0.5-1% SVR extraction. $H_2O_2$ increased LDH release which was accompanied by an increase in lipid peroxidation in renal cortical slices. These changes were prevented by 0.5% SVR. These results suggest that SVR exerts benefical effect against oxidant-induced impairment of membrane transport function, this effect may be due to by an antioxidant action.

키워드

참고문헌

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