CHARACTERISTICS OF RB-86+ TRANSPORT IN HUMAN ERYTHROCYTES INFECTED WITH PLASMODIUM-FALCIPARUM

被引:16
作者
KIRK, K [1 ]
ASHWORTH, KJ [1 ]
ELFORD, BC [1 ]
PINCHES, RA [1 ]
ELLORY, JC [1 ]
机构
[1] JOHN RADCLIFFE HOSP, INST MOLEC MED, OXFORD OX3 9DU, ENGLAND
基金
英国惠康基金;
关键词
RB-86; TRANSPORT; INFECTED ERYTHROCYTE; (PLASMODIUM-FALCIPARUM); (HUMAN ERYTHROCYTE);
D O I
10.1016/0005-2736(91)90296-K
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
Human red cells infected in vitro with Plasmodium falciparum showed a significant increase in the rate of both ouabain-sensitive and ouabain-insensitive Rb-86+ influx. The increase in ouabain-insensitive Rb-86+ influx was due, in part, to increased transport via a bumetanide-sensitive system and, in part to transport via a pathway that was absent (or at least inactive) in uninfected cells. The parasite-induced pathway was inhibited by piperine and had a dose response very similar to that of the Gardos channel of uninfected cells but was less sensitive than the Gardos channel to inhibition by quinine.
引用
收藏
页码:305 / 308
页数:4
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