Tea polyphenol ameliorates memory impairment in aged type 2 diabetic rats by modulating hippocampal glucose uptake/metabolism and O-GlcNAc glycosylation/phosphorylation of Tau oleh Jie Kou, Chenhui Lv, Le Cheng, Wenjuan Feng, Haoran Xie, Xi Wang, Shuangzhi Chen, Lili Wang, Mengqian Shi, Xin Song, Lushan Xue, Cheng Zhang, Xuemin Li, Haifeng Zhao