BIN2 and neoplasm: We found that BIN2 knockout partially recovered chemocarcinogen‐induced fertility loss (Figure 1E), meanwhile reduced ovarian transformed areas (Figure 1F and G), and recovered CD31 (blood vessel marker), HE4 (EOC marker), p‐RB1 (tumour suppressor), and Ki67 (proliferation marker) levels (Figures 1H and I and S2A–D).