Fig. 3
Effects of dietary valine to lysine ratio during late gestation on protein expression of cell proliferation, differentiation and apoptosis in mammary tissue. LV: total valine: lysine = 0.63: 1; MV: total valine: lysine = 0.73: 1; HV: total valine: lysine = 0.93: 1. a, b shows the relative protein expression in mammary tissue of gilts at day 1 of lactation, n = 4. c, d show the relative protein expression in mammary tissue of gilts at day 21 of lactation, n = 4. Cyclin D1: cell cycle protein D1; Stat: the signal transducer and activator of transcription; Bcl2: antiapoptotic B cell leukemia/lymphoma 2; Bax: Bcl-2 associated X protein. All data with error bars represent the mean ± SEM. P1 = linear, P2 = quadratic. Means not sharing the same letter are different (P < 0.05)