Trophoblast stem cells differentiate into different trophoblast cell populations that are indispensable for successful pregnancy through interactions with the maternal uterine decidua. Rho GTPases play an important role in the regulation of trophoblast stem cell (TSC) self-renewal and differentiation; however, the role of Rho GDP-dissociation inhibitors (Rho GDIs) remains unclear. Here we report that overexpression of Rho GDIalpha resulted in rapid apoptosis of TSCs, while its knockdown promoted proliferation. Moreover, Rho GDIalpha knockdown also enhanced TSC invasion. Collectively, these results establish a potential mechanism whereby TSCs can balance growth and apoptosis, and thus ensure normal fetal development.
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11 November 2015
Rho GDIalpha Modulates Rabbit Trophoblast Stem Cell Survival and Migration
Jinjuan Zhang,
Tianjie Li,
Weizhi Ji,
Yang Yu,
Tao Tan
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Biology of Reproduction
Vol. 93 • No. 6
December 2015
Vol. 93 • No. 6
December 2015
Apoptosis
cytoskeleton
gene expression
gene regulation
invasion
Rho GDIα
stem cells
