A positive feedback loop between Periostin and TGFβ1 induces and maintains the stemness of hepatocellular carcinoma cells via AP-2α activation oleh Gang Chen, Yi Wang, Xin Zhao, Xiao-zai Xie, Jun-gang Zhao, Tuo Deng, Zi-yan Chen, Han-bin Chen, Yi-fan Tong, Zhen Yang, Xi-wei Ding, Peng-yi Guo, Hai-tao Yu, Li-jun Wu, Si-na Zhang, Qian-dong Zhu, Jun-jian Li, Yun-feng Shan, Fu-xiang Yu, Zheng-ping Yu, Jing-lin Xia