Jaranol alleviates cognitive impairment in db/db mice through the PI3K/AKT pathway - Ye Qian; Yue Xu; Qiuyu Zhang; Chengyu Huang; Hui Li; Lin Gao; Shidi Wu; Chengyu Qi; Xiangru Wen; Xiaoyan Zhou; Changjiang Ying (Metabolic Brain Disease, 2025)