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氯丙嗪诱导红细胞肿胀的机制。

The mechanism of chlorpromazine-induced red blood cell swelling.

作者信息

Cornelius A S, Reilly M P, Suzuki M, Asakura T, Horiuchi K

机构信息

Children's Hospital of Philadelphia, Department of Pediatrics, University of Pennsylvania School of Medicine 19104.

出版信息

Gen Pharmacol. 1994 Jan;25(1):205-10. doi: 10.1016/0306-3623(94)90034-5.

DOI:10.1016/0306-3623(94)90034-5
PMID:8026707
Abstract
  1. Chlorpromazine (CPZ)-induced red blood cell (RBC) swelling was investigated by determination of electrolyte, mean cell volume (MCV) and water content changes in CPZ-treated cells. 2. CPZ-induced RBC swelling is dose-, hematocrit- and pH-dependent, and is associated with a net increase in RBC monovalent cation and Cl- contents. 3. The partition coefficient (Kp) for the CPZ-RBC membrane interaction is pH dependent (Kp = 2500 at pH 7.8; Kp = 840 at pH 6.8). 4. Despite the pH dependence of Kp values an equal number of CPZ molecules is required to induce a 12% increase in MCV at pH 7.8 and 6.8.
摘要
  1. 通过测定经氯丙嗪(CPZ)处理的细胞中的电解质、平均细胞体积(MCV)和含水量变化,研究了氯丙嗪(CPZ)诱导的红细胞(RBC)肿胀。2. CPZ诱导的RBC肿胀具有剂量、血细胞比容和pH依赖性,并且与RBC单价阳离子和Cl-含量的净增加有关。3. CPZ与RBC膜相互作用的分配系数(Kp)取决于pH(在pH 7.8时Kp = 2500;在pH 6.8时Kp = 840)。4. 尽管Kp值具有pH依赖性,但在pH 7.8和6.8时,诱导MCV增加12%所需的CPZ分子数量相等。

相似文献

1
The mechanism of chlorpromazine-induced red blood cell swelling.氯丙嗪诱导红细胞肿胀的机制。
Gen Pharmacol. 1994 Jan;25(1):205-10. doi: 10.1016/0306-3623(94)90034-5.
2
Comparative studies of phenothiazine derivatives for their effects on swelling of normal and sickle erythrocytes.
Gen Pharmacol. 1993 Jul;24(4):999-1006. doi: 10.1016/0306-3623(93)90179-2.
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pH-dependent effects of chlorpromazine on liposomes and erythrocyte membranes.氯丙嗪对脂质体和红细胞膜的pH依赖性效应。
J Liposome Res. 2003 May;13(2):147-55. doi: 10.1081/lpr-120020317.
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Interaction of chlorpromazine with the transport system of glucose in human erythrocytes.氯丙嗪与人红细胞葡萄糖转运系统的相互作用。
Arzneimittelforschung. 1980;30(11):1852-5.
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Dose-dependent red blood cell volume increase induced by bepridil.苄普地尔引起的剂量依赖性红细胞体积增加。
Gen Pharmacol. 1993 Nov;24(6):1323-9. doi: 10.1016/0306-3623(93)90414-s.
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The influence of chlorpromazine on the potential-induced shape change of human erythrocyte.
Biosci Rep. 1991 Aug;11(4):213-21. doi: 10.1007/BF01136855.
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Kinetics of activation and inactivation of swelling-stimulated K+/Cl- transport. The volume-sensitive parameter is the rate constant for inactivation.肿胀刺激的K+/Cl-转运的激活和失活动力学。体积敏感参数是失活的速率常数。
J Gen Physiol. 1990 Jun;95(6):1021-40. doi: 10.1085/jgp.95.6.1021.
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Chloride dependent intracellular pH increase induced by bepridil in human red blood cells: a possible involvement in correction of ischemic acidosis.苄普地尔诱导人红细胞中氯离子依赖性细胞内pH升高:可能参与缺血性酸中毒的纠正。
J Pharmacol Exp Ther. 1993 Dec;267(3):1509-14.
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Regulation of erythrocyte ghost membrane mechanical stability by chlorpromazine.氯丙嗪对红细胞血影膜机械稳定性的调节作用。
Biochim Biophys Acta. 2001 Jun 6;1512(2):285-90. doi: 10.1016/s0005-2736(01)00329-7.
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Variations of intracellular pH in human erythrocytes via K(+)(Na(+))/H(+) exchange under low ionic strength conditions.低离子强度条件下通过K⁺(Na⁺)/H⁺交换对人红细胞内pH的影响
J Membr Biol. 2000 Aug 1;176(3):207-16. doi: 10.1007/s00232001089.

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