Valine metabolite, 3-hydroxyisobutyrate, promotes lipid metabolism and cell proliferation in porcine mammary gland epithelial cells - Che, Long; Liu, Le; Xu, Mengmeng; Fan, Zongze; Niu, Lizhu; Chen, Yujie; Chang, Xueyuan; Zhou, Pan; Li, Mengyun; Deng, Hongyu; Chen, Wen (Frontiers in Nutrition, 2025)