UBE2N and type 2 diabetes mellitus: For those HSPs that generally show a suggested trend to be consistently higher in T2D in Figs. 2, 3, 4 and 5, these graphs are not shaded (CLU, SMAD3, HSP90ab, CDC37, HSPA8 (co-chaperone 70), STIP1, DNAJB1, UBE2L3, UBE2N, UBE2G2); for the single HSP (STUB1) that is generally lower in T2D than controls, this graph is shaded in yellow; for those HSPs that appeared to show no difference in trend between T2D and controls (MAPKAPK5, PPP3CA, HSPB1, HSPA1A, EPHA2, HSPD1), these graphs are shown in blue.