CCL22 and polycystic ovary syndrome: Interestingly, Ms4a6e is common to all PCOS-like mouse models also with a high fold-change in expression in adipose tissue of women with PCOS (Fig. 6d and Table S10), both fetal programming models, PNA and the maternal obesity, showed a strong correlation with CCL22 expression in women with PCOS (Fig. 6d).