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Changes in corticotropin releasing factor system transcript levels in relation to feeding condition in Acipenser
Jinwen Qi1, Shaoqi Xu1, Mei Wang1
1Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, Sichuan, China.
Abstract:
CRF system, structural conservation, has an association with feeding regulation in mammals. However, mammals and fish have different physiological mechanisms, the potential role of CRF system for feeding regulation in teleost fish are most unknown. To better explore possible feeding mechanisms of CRF system in Acipenser dabryanus, the gene expression patterns of CRF system have been investigated after different energy status. CRF and two receptors have been studied in Acipenser dabryanus in previous study, thus, four components of CRF system (UI, UCN2, UCN3 and CRF-BP) have been studied in this study. Results showed post-prandial increased UCNs mRNA expressions, and 10 days fasting decreased UCNs mRNA expressions, and the mRNA abundance of CRF-BP has no significant differences. Above, this study confirmed the CRF system has potential role for feeding regulation in Acipenser dabryanus.
