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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 35, No. 5, 2014, pp. 404-410
Bioline Code: zr14050
Full paper language: English
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 35, No. 5, 2014, pp. 404-410

 en MicroRNA signature in response to nutrient restriction and re-feeding in fast skeletal muscle of grass carp ( Ctenopharyngodon idella check for this species in other resources )
Zhu, Xin; Chu, Wu-Ying; Wu, Ping; Yi, Tan; Chen, Tao & Zhang, Jian-She

Abstract

The grass carp ( Ctenopharyngodon idella check for this species in other resources ) is one of the most important cultivated fish species in China. Mounting evidences suggests that microRNAs (miRNAs) may be key regulators of skeletal muscle among the grass carp, but the knowledge of the identity of myogenic miRNAs and role of miRNAs during skeletal muscle anabolic state remains limited. In the present study, we choose 8 miRNAs previously reported to act as muscle growth-related miRNAs for fasting-refeeding research. We investigated postprandial changes in the expression of 8 miRNAs following a single satiating meal in grass carp juveniles who had been fasting for one week and found that 7 miRNAs were sharply up-regulated within 1 or 3 h after refeeding, suggesting that they may be promising candidate miRNAs involved in a fast-response signaling system that regulates fish skeletal muscle growth.

Keywords
MicroRNA; Grass carp; Fasting; Refeeding; Skeletal muscle

 
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