CD40LG and autoimmune polyendocrinopathy: Interestingly, in our cohort, aPtC-IgM and aPtC-IgG antibodies were only present in subjects with APS, who displayed significantly increased OD values for aPtC-IgM (pAPS: p<0.05; sAPS: p<0.01; Figure 5) and aPtC-IgG (pAPS: p<0.01, sAPS: p<0.0001, Figure 5).