Effects of liraglutide on astrocyte polarization and neuroinflammation in db/db mice: focus on iron overload and oxidative stress oleh Ji-Ren An, Jun-Tong Liu, Xiao-Meng Gao, Qing-Feng Wang, Gui-Yan Sun, Jia-Nan Su, Chi Zhang, Jia-Xiang Yu, Yu-Feng Yang, Yan Shi