THE EFFECTS OF THIMEROSAL, A SULFHYDRYL REAGENT, ON PHASIC MYOMETRIAL CONTRACTIONS

被引:6
作者
PHILLIPPE, M
机构
[1] Department of Obstetrics and Gynecology, University of Chicago
关键词
D O I
10.1006/bbrc.1995.1769
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
Thimerosal inhibits calcium uptake and IP3-induced calcium release from IP3-sensitive endoplasmic reticulum; this study sought to evaluate the effects of thimerosal on agonist-stimulated phasic myometrial contractions. Thimerosal was found to significantly inhibit phasic contractions stimulated by oxytocin, aluminum fluoride, potassium chloride, ionomycin, and Bay K 8644. These observations provide support for the hypothesis that calcium uptake and IP3-induced calcium release are important events during agonist-stimulated phasic myometrial contractions. (C) 1995 Academic Press. Inc.
引用
收藏
页码:1 / 6
页数:6
相关论文
共 24 条
[1]   REQUIREMENT FOR CALCIUM-IONS IN ACETYLCHOLINE-STIMULATED PHOSPHODIESTERATIC CLEAVAGE OF PHOSPHATIDYL-MYO-INOSITOL 4,5-BISPHOSPHATE IN RABBIT IRIS SMOOTH-MUSCLE [J].
AKHTAR, RA ;
ABDELLATIF, AA .
BIOCHEMICAL JOURNAL, 1980, 192 (03) :783-791
[2]   INOSITOL TRISPHOSPHATE AND CALCIUM SIGNALING [J].
BERRIDGE, MJ .
NATURE, 1993, 361 (6410) :315-325
[3]   CYTOPLASMIC CALCIUM OSCILLATIONS - A 2 POOL MODEL [J].
BERRIDGE, MJ .
CELL CALCIUM, 1991, 12 (2-3) :63-72
[4]  
Cobbold P H, 1990, Semin Cell Biol, V1, P311
[5]  
CRISWELL KA, 1994, J PHARMACOL EXP THER, V270, P1015
[6]   THIMEROSAL INDUCED CHANGES OF INTRACELLULAR CALCIUM IN HUMAN ENDOTHELIAL-CELLS [J].
GERICKE, M ;
DROOGMANS, G ;
NILIUS, B .
CELL CALCIUM, 1993, 14 (03) :201-207
[7]   REPETITIVE TRANSIENTS IN INTRACELLULAR CA2+ IN CULTURED HUMAN VASCULAR SMOOTH-MUSCLE CELLS [J].
GILLESPIE, JI ;
OTUN, H ;
NICHOLLS, JA ;
GREENWELL, JR ;
DUNLOP, W .
EXPERIMENTAL PHYSIOLOGY, 1992, 77 (06) :849-856
[8]   GENERATION OF CALCIUM OSCILLATIONS IN FIBROBLASTS BY POSITIVE FEEDBACK BETWEEN CALCIUM AND IP3 [J].
HAROOTUNIAN, AT ;
KAO, JPY ;
PARANJAPE, S ;
TSIEN, RY .
SCIENCE, 1991, 251 (4989) :75-78
[9]  
HILLY M, 1993, J BIOL CHEM, V268, P16488
[10]   FREE CYTOSOLIC CALCIUM DURING SPONTANEOUS CONTRACTIONS IN SMOOTH-MUSCLE OF THE GUINEA-PIG MESOTUBARIUM [J].
HIMPENS, B ;
LYDRUP, ML ;
HELLSTRAND, P ;
CASTEELS, R .
PFLUGERS ARCHIV-EUROPEAN JOURNAL OF PHYSIOLOGY, 1990, 417 (04) :404-409