Ddx3y Reference Search Result - Rat Genome Database

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RGD ID	Title	Citation	Abstract	PubMed	Pub Date
11251402	DDX3Y, a Male-Specific Region of Y Chromosome Gene, May Modulate Neuronal Differentiation.	Vakilian H, etal., J Proteome Res. 2015 Sep 4;14(9):3474-83. doi: 10.1021/acs.jproteome.5b00512. Epub 2015 Jul 22.	Although it is apparent that chromosome complement mediates sexually dimorphic expression patterns of some proteins that lead to functional differences, there has been insufficient evidence following the manipulation of the male-specific region of the Y chromosome (MSY) gene expression during neural ... (more) development. In this study, we profiled the expression of 23 MSY genes and 15 of their X-linked homologues during neural cell differentiation of NTERA-2 human embryonal carcinoma cell line (NT2) cells in three different developmental stages using qRT-PCR, Western blotting, and immunofluorescence. The expression level of 12 Y-linked genes significantly increased over neural differentiation, including RBMY1, EIF1AY, DDX3Y, HSFY1, BPY2, PCDH11Y, UTY, RPS4Y1, USP9Y, SRY, PRY, and ZFY. We showed that siRNA-mediated knockdown of DDX3Y, a DEAD box RNA helicase enzyme, in neural progenitor cells impaired cell cycle progression and increased apoptosis, consequently interrupting differentiation. Label-free quantitative shotgun proteomics based on a spectral counting approach was then used to characterize the proteomic profile of the cells after DDX3Y knockdown. Among 917 reproducibly identified proteins detected, 71 proteins were differentially expressed following DDX3Y siRNA treatment compared with mock treated cells. Functional grouping indicated that these proteins were involved in cell cycle, RNA splicing, and apoptosis, among other biological functions. Our results suggest that MSY genes may play an important role in neural differentiation and demonstrate that DDX3Y could play a multifunctional role in neural cell development, probably in a sexually dimorphic manner.	26144214	2015-06-01
11532421	DDX3Y gene rescue of a Y chromosome AZFa deletion restores germ cell formation and transcriptional programs.	Ramathal C, etal., Sci Rep. 2015 Oct 12;5:15041. doi: 10.1038/srep15041.	Deletions of the AZFa region (AZoospermia Factor-a) region of the human Y chromosome cause irreversible spermatogenic failure that presents clinically in men as Sertoli-cell only (SCO) pathology of the testis. Deletions of the AZFa region typically encompass two genes: DDX3Y ... (more) >DDX3Y and USP9Y. However, human genetic evidence indicates that SCO is most tightly linked to deletion of DDX3Y and that deletions/mutations of USP9Y can be transmitted from one generation to the next. Here, we generated stable iPSC lines with AZFa deletions, tested complementation via introduction of DDX3Y, and assessed ability to form germ cells in vivo in a xenotransplantation model. We observed a quantifiable improvement in formation of germ cell like cells (GCLCs) from complemented donor iPSCs. Moreover, expression of UTF1, a prospermatogonial protein, was restored in cells complemented by introduction of DDX3Y on the AZFa background. Whole-genome RNA sequencing of purified GCLCs revealed an enrichment of genes involved in translational suppression and transcriptional control in DDX3Y-rescued GCLCs over mutant GCLCs, which maintained a molecular phenotype more similar to undifferentiated iPSCs. This study demonstrates the ability to probe fundamental genetics of human germ cell formation by complementation and indicates that DDX3Y functions in the earliest stages of human germ cell development.	26456624	1000-09-01