Molecular therapy for body weight control, energy homeostasis and TIIDM: Spermidine, an endogenous polyamine, inhibits DNA methyltransferase 3a (Dnmt3a) expression, increases FGF21 expression, augments insulin sensitivity, increases glucose tolerance, and protects from diet-induced obesity and TIIDM, via up regulation of its target gene, 2/March/2018, 7.17 am