Y Chromosome Missing Protein, TBL1Y, May Play an Important Role in Cardiac Differentiation

Published on Dec 1, 2017in Journal of Proteome Research3.78
· DOI :10.1021/acs.jproteome.7b00391
Anna Meyfour2
Estimated H-index: 2
Hassan Ansari5
Estimated H-index: 5
+ 5 AuthorsGhasem Hosseini Salekdeh39
Estimated H-index: 39
Despite evidence for sex-specific cardiovascular physiology and pathophysiology, the biological basis for this dimorphism remains to be explored. Apart from hormonal factors, gender-related characteristics may reside in the function of sex chromosomes during cardiac development. In this study, we investigated the differential expression of the male-specific region of the Y chromosome (MSY) genes and their X counterparts during cardiac differentiation of human embryonic stem cells (hESC). We observed alterations in mRNA and protein levels of TBL1Y, PCDH11Y, ZFY, KDM5D, USP9Y, RPS4Y1, DDX3Y, PRY, XKRY, BCORP1, RBMY, HSFY, and UTY, which accompanied changes in intracellular localization. Of them, the abundance of a Y chromosome missing protein, TBL1Y, showed a significant increase during differentiation while the expression level of its X counterpart decreased. Consistently, reducing TBL1Y cellular level using siRNA approach influenced cardiac differentiation by reducing its efficacy as well as increasing th...
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