TIMP2 and polycystic ovary syndrome: Importantly, these cytokines were significantly increased in PCOS mice after BM-hMSC treatment (IL-10: 1.20 ± 0.09 fold, INF-γ: 1.27 ± 0.11 fold, TIMP-2: 1.62 ± 0.22 fold; Fig. 6d–f).