microRNA-21, via the HIF-1α/VEGF signaling pathway, is involved in arsenite-induced hepatic fibrosis through aberrant cross-talk of hepatocytes and hepatic stellate cells

Jing Sun, Le Shi, Tian Xiao, Junchao Xue, Junjie Li, Peiwen Wang, Lu Wu, Xiangyu Dai, Xinye Ni, Qizhan Liu