Decidual ACVR2A regulates extravillous trophoblast functions of adhesion, proliferation, migration and invasion in vitro

Hannah E.J. Yong, Padma Murthi, Bill Kalionis, Rosemary J. Keogh, Shaun P. Brennecke

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Abstract

Decidual stromal cells form the largest proportion of maternal cells at the maternal-fetal interface. Our aim was to investigate the role of the pre-eclampsia associated decidual activin receptor, ACVR2A, in regulating trophoblast functions at this interface. St-T1b and HTR-8/SVneo cell lines were used to model decidual stromal and trophoblast cells respectively. St-T1b conditioned medium inhibited HTR-8/SVneo adhesion, proliferation, migration and invasion; all effects that were attenuated by decidual ACVR2A siRNA transfection. These findings suggest that altered decidual ACVR2A expression perturbs the maternal-fetal crosstalk involved in regulating trophoblast function at the interface, which may affect placentation and lead to pre-eclampsia.

Original languageEnglish
Pages (from-to)189-193
Number of pages5
JournalPregnancy Hypertension
Volume12
DOIs
Publication statusPublished - Apr 2018

Keywords

  • ACVR2A
  • Decidual stromal cells
  • Extravillous trophoblast

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