miR-125b can suppress HF stem cell differentiation by competitive binding of Vdr and Blimp1 [23], while miR-205 positively regulates HF stem cell proliferation by competing to bind 3’UTR of INPP1b, INPP4b, PHLDA2, and FRK [24]. The gene discussed is PRDM1; the disease is hydrops fetalis.