TIME-DEPENDENT INCREASES IN NA+,K+-ATPASE CONTENT OF LOW-FREQUENCY-STIMULATED RABBIT MUSCLE

被引：25

作者：

GREEN, HJ

BALLBURNETT, M

CHIN, ER

DUX, L

PETTE, D

机构：

[1] UNIV CONSTANCE,FAK BIOL,POSTFACH 5560,W-7750 CONSTANCE,GERMANY

[2] UNIV WATERLOO,DEPT KINESIOL,WATERLOO N2L 3G1,ONTARIO,CANADA

来源：

FEBS LETTERS | 1992年 / 310卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

LOW-FREQUENCY STIMULATION; MUSCLE FATIGUE; NA+/K+-ATPASE; SARCOLEMMA;

D O I：

10.1016/0014-5793(92)81312-A

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：

Chronic low-frequency stimulation of rabbit fast-twitch muscle induced time-dependent increases in the concentration of the sarcolemmal Na+,K+-ATPase and in mitochondrial citrate synthase activity. The almost twofold increase in Na+,K+-ATPase preceded the rise in citrate synthase and was complete after 10 days of stimulation. We suggest that the increase in Na+,K+-ATPase enhances resistance to fatigue of low-frequency-stimulated muscle prior to elevations in aerobic-oxidative capacity.

引用

页码：129 / 131

页数：3

共 19 条

[1]

CHIN ER, 1991, MED SCI SPORTS EXERC, V23, P523

[2]

CLAUSEN T, 1990, NEWS PHYSIOL SCI, V5, P148

[3] MEASUREMENT OF K+ AND NA+ ACTIVITY IN EXTRACELLULAR-SPACE OF RABBIT SKELETAL-MUSCLE DURING MUSCULAR WORK BY MEANS OF GLASS MICROELECTRODES [J].