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Prostaglandin F2α promotes embryo implantation and development in the pig


Kaczyński, Piotr; Baryla, Monika; Goryszewska, Ewelina; Bauersachs, Stefan; WacŁawik, Agnieszka (2018). Prostaglandin F2α promotes embryo implantation and development in the pig. Reproduction, 156(5):405-419.

Abstract

Successful establishment and development of pregnancy requires proper communication between developing conceptuses and the maternal reproductive tract. Prostaglandins are key players involved in the regulation of reproductive processes in mammals including pigs. Due to its luteolytic action, prostaglandin F2-alpha (PGF2α) is mainly considered as an undesirable factor during early pregnancy. However, its content in the uterine lumen is elevated in pigs and other mammals. Recently, we reported an important role of PGF2α in the endometrium during early pregnancy in the pig. Thus, the aim of the present study was to determine whether PGF2α can act on porcine trophoblast and if so, to elucidate what effect it could exert. We detected increased expression of PGF2α receptor during the implantation period (from day 14 until day 19 of pregnancy). Global gene expression profiling using microarrays and quantitative PCR studies revealed that PGF2α acting on porcine trophoblast cells in vitro alters expression of genes potentially involved in processes related to implantation, such as: cell proliferation, focal adhesion, extracellular matrix binding, cell migration, cytoskeleton organization, immune interactions, ion homeostasis, and lipid metabolism. Using primary porcine trophoblast cells, we demonstrated that PGF2α stimulated trophoblast cell proliferation and adhesion to extracellular matrix protein. This was likely mediated by mitogen-activated protein kinases (MAPK1/3) and focal adhesion kinase (FAK) since we observed increased phosphorylation of MAPK1/3 and FAK in trophoblast cells treated with PGF2α. To conclude, the present report indicates a novel role for PGF2α in the porcine conceptus as a para- and autocrine factor supporting pregnancy establishment.

Abstract

Successful establishment and development of pregnancy requires proper communication between developing conceptuses and the maternal reproductive tract. Prostaglandins are key players involved in the regulation of reproductive processes in mammals including pigs. Due to its luteolytic action, prostaglandin F2-alpha (PGF2α) is mainly considered as an undesirable factor during early pregnancy. However, its content in the uterine lumen is elevated in pigs and other mammals. Recently, we reported an important role of PGF2α in the endometrium during early pregnancy in the pig. Thus, the aim of the present study was to determine whether PGF2α can act on porcine trophoblast and if so, to elucidate what effect it could exert. We detected increased expression of PGF2α receptor during the implantation period (from day 14 until day 19 of pregnancy). Global gene expression profiling using microarrays and quantitative PCR studies revealed that PGF2α acting on porcine trophoblast cells in vitro alters expression of genes potentially involved in processes related to implantation, such as: cell proliferation, focal adhesion, extracellular matrix binding, cell migration, cytoskeleton organization, immune interactions, ion homeostasis, and lipid metabolism. Using primary porcine trophoblast cells, we demonstrated that PGF2α stimulated trophoblast cell proliferation and adhesion to extracellular matrix protein. This was likely mediated by mitogen-activated protein kinases (MAPK1/3) and focal adhesion kinase (FAK) since we observed increased phosphorylation of MAPK1/3 and FAK in trophoblast cells treated with PGF2α. To conclude, the present report indicates a novel role for PGF2α in the porcine conceptus as a para- and autocrine factor supporting pregnancy establishment.

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Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Farm Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Language:English
Date:1 November 2018
Deposited On:13 Sep 2018 10:22
Last Modified:24 Sep 2019 23:35
Publisher:BioScientifica Ltd.
ISSN:1470-1626
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1530/REP-18-0225
PubMed ID:30108139

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