HSP90B2P and type 2 diabetes mellitus: Thus, Hsp–Cu(II) promoted the generation of SCFAs by modulating the relative abundance of beneficial bacteria (Lactobacillus, Ligilactobacillus, Romboutsia, Faecalibaculum, Romboutsia, and Dubosiella) and harmful bacteria (Corynebacterium and Desulfovibrio) to alleviate T2DM.