THE MORPHOLOGICAL AND BIOCHEMICAL-CHANGES IN SKELETAL-MUSCLE FIBERS BY DIETARY-PROTEIN RESTRICTION

被引：0
|
作者：
TANAKA, N
HAYAKAWA, T
ZYO, K
HORI, S
机构：
[1] HYOGO MED UNIV, DEPT ANAT, NISHINOMIYA, HYOGO 663, JAPAN
[2] HYOGO MED UNIV, DEPT PHYSIOL, NISHINOMIYA, HYOGO 663, JAPAN
来源：
JOURNAL OF NUTRITIONAL SCIENCE AND VITAMINOLOGY | 1992年 / 38卷 / 05期
关键词：
DIETARY PROTEIN RESTRICTION; LOW PROTEIN DIET; PROTEIN-FREE DIET; MORPHOLOGICAL CHANGE; NUMBER OF MUSCLE FIBER; MUSCLE FIBER SIZE; SKELETAL MUSCLE; QUADRICEPS MUSCLE; PROTEIN CONTENT; DNA CONTENT;
D O I：
暂无
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：
The effects of dietary protein restriction on skeletal muscle fibers were studied according to morphological and biochemical approaches. Protein and DNA content of quadriceps muscles from young adult rats were decreased by the low protein and protein-free diet. Morphological examination demonstrated that there was a significant decrease in the size of muscle fibers without change in their numbers due to protein restriction. The protein/DNA ratio, accepted as an index of cell size in biochemical approaches, was compared with cell size on photomicrographs. Actual fiber size appeared much smaller than that indicated by the protein/DNA ratio.
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页码：523 / 528
页数：6
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