MON-025 Activin a Increases Human Trophoblast Invasion by Up-Regulating Integrinb1 Through ALK4

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منابع مشابه

Activin-A up-regulates type I activin receptor mRNA levels in human immortalized extravillous trophoblast cells.

Activin is known to play an important regulatory role in reproduction, including pregnancy. To further examine the role and signaling mechanism of activin in regulating placental function, the steady-state level of activin type I receptor (ActRI) mRNA in immortalized extravillous trophoblasts (IEVT) cells was measured using competitive PCR (cPCR). An internal standard of ActRI cDNA for cPCR was...

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Activin B induces human endometrial cancer cell adhesion, migration and invasion by up-regulating integrin β3 via SMAD2/3 signaling

Endometrial cancer is the fourth most common female cancer and the most common gynecological malignancy. Although it comprises only ~10% of all endometrial cancers, the serous histological subtype accounts for ~40% of deaths due to its aggressive behavior and propensity to metastasize. Histopathological studies suggest that elevated expression of activin/inhibin βB subunit is associated with re...

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Stimulation of human trophoblast invasion by placental growth hormone.

A critical step in establishment of human pregnancy is the invasion of the uterus wall by the extravillous cytotrophoblast (EVCT), a process regulated by multiple autocrine and paracrine factors. Hormones belonging to the GH/prolactin family are expressed at the maternofetal interface. Because they are involved in cell motility in various models, we examined the possible regulatory role of huma...

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Activin B can signal through both ALK4 and ALK7 in gonadotrope cells

BACKGROUND Activins stimulate pituitary FSH synthesis via transcriptional regulation of the FSHbeta subunit gene (Fshb). Like other members of the TGFbeta superfamily, these ligands signal through complexes of type I and type II receptor serine/threonine kinases. The type I receptors, or activin receptor-like kinases (ALKs), propagate intracellular signals upon ligand binding and phosphorylatio...

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PPAR /RXR Heterodimers Control Human Trophoblast Invasion

The ligand-dependent nuclear receptors PPAR and RXR / were recently determined to be essential for murine placental development and trophoblast differentiation. In the current study we examined the expression and role of the PPAR / RXR heterodimers in human invasive trophoblasts. We first report that in human first trimester placenta, PPAR and RXR are highly expressed in cytotrophoblasts at the...

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ژورنال

عنوان ژورنال: Journal of the Endocrine Society

سال: 2020

ISSN: 2472-1972

DOI: 10.1210/jendso/bvaa046.398