CSF2 and autoimmune polyendocrinopathy: As shown in Figures 1A, B, in the absence of exogenous GM-CSF, compared with the group without APS, the proliferation index of BMC had not obviously change with the increase of APS concentration (from 80 μg/ml to 320 μg/ml) (1.35 vs 1.39 vs 1.31 vs 1.33, p > 0.05).