Title : hCG activates Epac-Erk1/2 signaling regulating Progesterone Receptor expression and function in human endometrial stromal cells.

Pub. Date : 2017 Jun 1

PMID : 28333280






4 Functional Relationships(s)
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1 SUMMARY ANSWER: hCG signaling in ESCs activates the extracellular signal-regulated protein kinases 1 and 2 (Erk1/2) pathway through exchange protein activated by cyclic AMP (cAMP) (Epac) and transiently increases progesterone receptor (PR) transcript and protein expression and its transcriptional function. Cyclic AMP hypertrichosis 2 (generalised, congenital) Homo sapiens
2 SUMMARY ANSWER: hCG signaling in ESCs activates the extracellular signal-regulated protein kinases 1 and 2 (Erk1/2) pathway through exchange protein activated by cyclic AMP (cAMP) (Epac) and transiently increases progesterone receptor (PR) transcript and protein expression and its transcriptional function. Cyclic AMP hypertrichosis 2 (generalised, congenital) Homo sapiens
3 hCG signals through cAMP/protein kinase A (PKA) in gonadal cells, but in endometrial epithelial cells, hCG induces Erk1/2 activation independent of the cAMP/PKA pathway. Cyclic AMP hypertrichosis 2 (generalised, congenital) Homo sapiens
4 MAIN RESULTS AND THE ROLE OF CHANCE: Addition of hCG to ESCs in vitro induced the phosphorylation of Erk1/2 through cAMP accumulation. Cyclic AMP hypertrichosis 2 (generalised, congenital) Homo sapiens