A) SIRT1 in the kidneys of 3 week old postnatal offspring, and B) SIRT2 in the kidneys of 3 week old postnatal offspring. Values are means ± S.E.M. (n = 3; error bars indicate S.E.M.). CC, control on control; LP, control on protein restricted; LPCL, 0.12% GTE diet on protein restricted; LPCH, 0.24% GTE diet on protein restricted. b* means P<0.05 against LP.