EFFECTS OF HALOTHANE ON CALCIUM RELEASE FROM SARCOPLASMIC-RETICULUM OF RABBIT PSOAS AND SEMITENDINOSUS SKINNED MUSCLE-FIBERS

被引：2

作者：

CARRIER, L

VILLAZ, M

机构：

[1] Laboratoire de Biophysique Moléculaire et Cellulaire, (Unité Associée 520 du Centre National de la Recherche Scientifique), Département de Recherche Fondamentale, Centre d'Etudes Nucléaires de Grenoble 85X

来源：

BIOCHEMICAL PHARMACOLOGY | 1990年 / 39卷 / 01期

关键词：

D O I：

10.1016/0006-2952(90)90658-8

中图分类号：

R9 [药学];

学科分类号：

1007 ;

摘要：

Calcium release from sarcoplasmic reticulum was investigated using skinned fibers isolated from rabbit semitendinosus and psoas muscles, representative of slow and fast fibers, respectively. In both types of fibers, halothane at the concentration of 0.03% (v/v) enhanced the Ca2+-induced calcium release. In the absence of cytoplasmic free Ca2+, halothane induced calcium release in a dose-dependent manner, with a similar sensitivity for both semitendinosus and psoas fibers. These results are discussed in connection with muscular diseases such as malignant hyperthermia in which the crisis is triggered during anesthesia by halothane. © 1989.

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页码：145 / 149

页数：5

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