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Cytogenet Genome Res. 2003;101(3-4):229-36.

Expression of DMRT1 in the mammalian ovary and testis--from marsupials to mice.

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Department of Molecular Genetics, University of Texas M.D. Anderson Cancer Center, Houston, TX 77030, USA.


Doublesex and mab3 related transcript (DMRT1) was identified as a candidate gene for human 9p24.3 associated sex reversal. DMRT1 orthologues have highly conserved roles in sexual differentiation from flies and worms to humans. A DMRT1 orthologue was isolated from a marsupial, the tammar wallaby Macropus eugenii. The wallaby gene is highly conserved with other vertebrate DMRT1 genes, especially within the P/S and DM domains. It is expressed in the differentiating testis from the late fetus, during pouch life and in the adult. As in eutherian mammals, DMRT1 protein was localized in the germ cells and the Sertoli cells of the testis, but in addition it was detected in the Leydig cells, peri-tubular myoid cells and within the acrosome of the sperm heads. DMRT1 protein was also detected in the fetal and adult ovary pre-granulosa, granulosa and germ cells. Similarly, we also detected DMRT1 in the granulosa cells of all developing follicles in the adult mouse ovary. This is the first report of DMRT1 expression in the adult mammalian ovary, and suggests a wider role for this gene in mammals, in both the testis and ovarian function.

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