SELECTIVE INHIBITORS OF KCL COTRANSPORT IN HUMAN RED-CELLS

被引:34
|
作者
ELLORY, JC [1 ]
HALL, AC [1 ]
ODY, SO [1 ]
ENGLERT, HC [1 ]
MANIA, D [1 ]
LANG, HJ [1 ]
机构
[1] PHARMASYNTHESE HOECHST,FRANKFURT,GERMANY
基金
英国惠康基金;
关键词
HbSS; K[!sup]+[!/sup] transport; Red cell;
D O I
10.1016/0014-5793(90)80193-M
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Two analogues of the loop diuretics furosemide and bumetanide have been identified as differential inhibitors of KCl and NaKCl cotransport systems, assayed by measuring K+ influx in 'young' human red cells. H25 inhibited both NaKCl and KCl cotransport, with I50% values of 0.03 and 30 μM respectively; H74 had no effect on NaKCl cotransport, even at 0.3 mM, but inhibited KCl cotransport with an I50% of 75 μM. These compounds are therefore useful for resolving the two transport systems. © 1990.
引用
收藏
页码:215 / 218
页数:4
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