Fig. 4From: 2,3,5,4′-tetrahydroxystilbene-2-O-β-D-glucoside induces autophagy of liver by activating PI3K/Akt and Erk pathway in prediabetic ratsTSG ameliorated liver slight injury without apoptosis in prediabetic rats. a HE staining. Arrow-pointed dots (white) stand for accumulated lipid droplets; b Oil Red O staining. Red means lipid droplet accumulation. c Apoptotic-associated proteins were no changed in all groups. Ctrl: the control group (n = 8); Model: the model group (n = 8); TSG: the TSG-treated group (n = 8); Met: the Met-treated group (n = 8)Back to article page