TSPY and Male Fertility
AbstractSpermatogenesis requires the concerted action of thousands of genes, all contributing to its efficiency to a different extent. The Y chromosome contains several testis-specific genes and among them the AZF region genes on the Yq and the TSPY1 array on the Yp are the most relevant candidates for spermatogenic function. TSPY1 was originally described as the putative gene for the gonadoblastoma locus on the Y (GBY) chromosome. Besides its oncogenic properties, expression analyses in the testis and in vitro and in vivo studies all converge on a physiological involvement of the TSPY1 protein in spermatogenesis as a pro-proliferative factor. The majority of TSPY1 copies are arranged in 20.4 kb of tandemly repeated units, with different copy numbers among individuals. Our recent study addressing the role of TSPY1 copy number variation in spermatogenesis reported that TSPY1 copy number influences spermatogenic efficiency and is positively correlated with sperm count. This finding provides further evidence for a role of TSPY1 in testicular germ cell proliferation and stimulates future research aimed at evaluating the relationship between the copy number and the protein expression level of the TSPY1 gene.
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Krausz, C.; Giachini, C.; Forti, G. TSPY and Male Fertility. Genes 2010, 1, 308-316.
Krausz C, Giachini C, Forti G. TSPY and Male Fertility. Genes. 2010; 1(2):308-316.Chicago/Turabian Style
Krausz, Csilla; Giachini, Claudia; Forti, Gianni. 2010. "TSPY and Male Fertility." Genes 1, no. 2: 308-316.