Abstract
GATA3 plays critical roles in the development and function of various tissues and organs throughout the body. Likewise, TGF-β signaling is critical for placental development and can interact with GATA3. We aimed to investigate the involvement of the multifunctional cytokine and transcription factor in trophoblast development. By using immunohistochemistry, we evaluated the localization and expression level of GATA3 and TGF-β in placentas at term of normal pregnancy and with pre-eclampsia. Up-regulation of both GATA3 and TGF-β was observed in pathological placentas, with localization in the villus epithelium (syncytiotrophoblast) stroma and decidua. Our data show altered expression of TGF-β and GATA3, which downstream could lead to a cascade of events that negatively influence trophoblast development and contribute to the pathogenesis of pre-eclampsia.
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