Suppressyn localization and dynamic expression patterns in primary human tissues support a physiologic role in human placentation

Abstract excerpt

We previously identified suppressyn (SUPYN), a placental protein that negatively regulates the cell fusion essential for trophoblast syncytialization via binding to the trophoblast receptor for syncytin-1, ASCT2, and hypothesized that SUPYN may thereby regulate cell-cell fusion in the placenta. Here, we redefine in vivo SUPYN localization using specific monoclonal antibodies in a rare early placental sample,...

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