since insulin-like growth factors i ( igf-i ) and ii ( igf-ii ) appeared involved in paracrine or autocrine regulation of both cell multiplication and differentiation of the rat testis , we have investigated the pituitary hormonal dependence of igf-i and igf-ii mrna production in the testis of immature hypophysectomized rats ( 22 days old ) supplemented with highly purified fsh , lh , gh or prl .
C0037657
igf
C0021665
igf-i