PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33276384-12 2021 Here, we found that igf3 expression could be up-regulated by estrogen in early stages of ovarian follicles as evidenced in in vitro treatment assays and cyp19a1a mutant zebrafish, and E2 failed to rescue the defects of igf3 mutants in ovarian development, suggesting that Igf3 may serve as a downstream factor of estrogen signaling in sex differentiation. Estradiol 184-186 insulin-like growth factor 3 Danio rerio 20-24