Comparison of Atrogin-1/MAFbx mRNA Expression in the Gizzards of Egg- and Meat-Type Chickens

被引:0
作者
Nakashima, Kazuki [1 ]
Ishida, Aiko [1 ]
Katsumata, Masaya [1 ]
机构
[1] NARO Inst Livestock & Grassland Sci, Anim Physiol & Nutr Div, Tsukuba, Ibaraki 3050901, Japan
关键词
atrogin-1/MAFbx; chicken; gizzard; smooth muscle; egg-/meat-type; PROTEASOME PROTEOLYTIC PATHWAY; SKELETAL-MUSCLE ATROPHY; PROTEIN-DEGRADATION; UBIQUITIN LIGASE; GENE-EXPRESSION; GROWTH; TRANSCRIPTION; INDUCTION; BREAKDOWN; CALPAIN;
D O I
10.1271/bbb.130490
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
We examined atrogin-1/MAFbx mRNA expression in the smooth muscle of gizzards from egg- and meat-type chickens. Gizzard weight relative to body weight was significantly lower in the meat-type chickens than in the egg-type at 14 d of age. In contrast, the level of atrogin-1/MAFbx mRNA in the gizzard was significantly higher in the meat-type chickens than in the egg-type chickens. Thus atrogin-1/MAFbx mRNA expression in the smooth muscle of the gizzard was higher in meat-type chickens than in egg-type chickens, in contrast to its expression in the skeletal muscles.
引用
收藏
页码:2319 / 2321
页数:3
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