Nitric oxide synthase inhibition delays low-frequency stimulation-induced satellite cell activation in rat fast-twitch muscle

被引：0
|
作者：
Martins, Karen J. B. [1 ]
MacLean, Ian [1 ]
Murdoch, Gordon K. [4 ]
Dixon, Walter T. [5 ]
Putman, Charles T. [1 ,2 ,3 ]
机构：
[1] Univ Alberta, Exercise Biochem Lab, Fac Phys Educ & Recreat, Edmonton, AB T6G 2H9, Canada
[2] Univ Alberta, Fac Med & Dent, Ctr Neurosci, Edmonton, AB T6G 2H9, Canada
[3] Univ Alberta, Van Vliet Ctr E 417, Edmonton, AB T6G 2H9, Canada
[4] Univ Idaho, Anim & Vet Sci Dept, Moscow, ID 83844 USA
[5] Univ Alberta, Dept Agr Food & Nutr Sci, Edmonton, AB T6G 2H9, Canada
来源：
APPLIED PHYSIOLOGY NUTRITION AND METABOLISM | 2011年 / 36卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
nitric oxide; L-NAME; chronic low-frequency stimulation; BrdU; HGF; STRETCH-INDUCED ACTIVATION; SKELETAL-MUSCLE; HYPERTROPHY; ABLATION;
D O I：
10.1139/H11-091
中图分类号：
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号：
100403 ;
摘要：
This study examined the effect of nitric oxide synthase (NOS) inhibition via N-omega-nitro-L-arginine methyl ester (L-NAME) administration on low-frequency stimulation-induced satellite cell (SC) activation in rat skeletal muscle. L-NAME only delayed stimulation-induced increases in SC activity. Also, stimulation-induced increases in hepatocyte growth factor (HGF) mRNA and protein expression were only abrogated at the mRNA level in L-NAME-treated animals. Therefore, early stimulation-induced SC activation appears to be NOS-dependent, while continued activation may involve NOS-independent HGF translational control mechanisms.
引用
收藏
页码：996 / 1000
页数：5
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