Effect of maternal low protein diet on the expression of insulin signalling molecules in epididymal WAT of 14-month-old male offspring rats. (a) mRNA levels, (b) protein content and phosphorylation and (c) representative protein blots. (a, b) Data are the percentage of control values ± SEM; n = 8 for controls, n = 10 for LP offspring; *p < 0.05. White bars, control; grey bars, LP. Slc2a4 encodes GLUT4