PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11913545-6 2002 Semiquantitative RT-PCR analysis revealed that, of the four major testicular steroidogenic enzymes, mRNA levels of cytochrome P450 side-chain cleavage and 17beta-hydroxysteroid dehydrogenase type-III were significantly reduced, and mRNA levels of cytochrome P450 17alpha-hydroxylase/ C17-20 lyase (P450c17) were reduced severely and significantly, by EB administration. estradiol 3-benzoate 351-353 cytochrome P450, family 17, subfamily a, polypeptide 1 Rattus norvegicus 298-305 11913545-8 2002 In addition, the P450c17 mRNA level in EB-treated rats was much lower than that in the testes of hypophysectomized rats, with the level in the latter being equal to that in control rats. estradiol 3-benzoate 39-41 cytochrome P450, family 17, subfamily a, polypeptide 1 Rattus norvegicus 17-24 11913545-10 2002 The results indicated, at least, that EB administration down-regulates P450c17 gene expression predominantly, resulting in the inhibition of testosterone production. estradiol 3-benzoate 38-40 cytochrome P450, family 17, subfamily a, polypeptide 1 Rattus norvegicus 71-78 11913545-11 2002 From the differences in the steroidogenic enzyme expressions between hypophysectomized and EB-treated rats, it was suggested that EB acts on the testis directly or indirectly though not via alteration of LH secretion and induces reduction of P450c17 mRNA level. estradiol 3-benzoate 91-93 cytochrome P450, family 17, subfamily a, polypeptide 1 Rattus norvegicus 242-249