Myostatin increases the expression of matrix metalloproteinase genes to promote preadipocytes differentiation in pigs oleh Zhe Zhu, Akhtar Ali, Jing Wang, Shijin Qi, Zaidong Hua, Hongyan Ren, Liping Zhang, Hao Gu, Adrian Molenaar, Masroor Ellahi Babar, Yanzhen Bi