Title : Sex-specific timing of meiotic initiation is regulated by Cyp26b1 independent of retinoic acid signalling.

Pub. Date : 2011 Jan 11

PMID : 21224842






2 Functional Relationships(s)
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1 Sex-specific initiation of meiosis in the fetal ovary has been suggested to require retinoic acid (RA) for induction of Stra8, with expression of the RA-degrading enzyme Cyp26b1 in fetal testis delaying meiosis until postnatal development. Tretinoin cytochrome P450, family 26, subfamily b, polypeptide 1 Mus musculus
2 Ketoconazole inhibition of Cyp26b1 in Raldh2(-/-) testis allows RA-independent induction of Stra8, but only when the mesonephros remains attached, pointing to a non-RA signal from the mesonephros that induces Stra8 in the adjacent gonad. Tretinoin cytochrome P450, family 26, subfamily b, polypeptide 1 Mus musculus