JAK2 Mediates the Regulation of Pept1 Expression by Leptin in the Grass Carp (Ctenopharyngodon idella) Intestine oleh Wen-jie Luo, Wen-jie Luo, Peng Song, Zhi-min He, Shen-ping Cao, Jian-zhou Tang, Wen-qian Xu, Ding Xiong, Fu-fa Qu, Da-fang Zhao, Zhen Liu, Jian-zhong Li, Yu-long Yin