Expression of prostaglandin F2α (PGF2α) receptor and its isoforms in the bovine corpus luteum during the estrous cycle and PGF2α-induced luteolysis

Domestic Animal Endocrinology
K ShirasunaA Miyamoto

Abstract

Prostaglandin F2α (PGF2α) induces luteolysis via a specific receptor, PTGFR. Although PTGFR mRNA expression in the bovine corpus luteum (CL) has been studied previously, changes in PTGFR protein and its localization are not fully understood during the life span of the CL. In addition to full-length PTGFR, several types of PTGFR isoforms, such as PTGFRα (type I) and PTGFRζ (type II), were reported in the bovine CL, suggesting isoform-specific luteal action. Full-length PTGFR mRNA in the bovine CL increased from the early to the mid-luteal phase and decreased during luteolysis, whereas PTGFR protein remained stable. PTGFR protein was localized to both luteal and endothelial cells and was expressed similarly during the life span of the CL. Like full-length PTGFR mRNA, PTGFRα and PTGFRζ mRNA also increased from the early to mid-luteal phases, and mRNA of PTGFRζ, but not PTGFRα, decreased in the regressing CL. During PGF2α-induced luteolysis, the mRNAs of full-length PTGFR, PTGFR,α and PTGFRζ decreased rapidly (from 5 or 15 min after PGF2α injection), but PTGFR protein decreased only 12 h later. Silencing full-length PTGFR using small interfering RNA prevented PGF2α-stimulated cyclooxygenase-2 (PTGS2) mRNA induction. By contrast, PG...Continue Reading

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Citations

Nov 19, 2015·Reproduction : the Official Journal of the Society for the Study of Fertility·Emilia PrzygrodzkaAdam Janusz Ziecik
Feb 9, 2017·Reproduction : the Official Journal of the Society for the Study of Fertility·S S WalusimbiJ L Pate
Aug 24, 2013·Reproduction in Domestic Animals = Zuchthygiene·D J SkarzynskiR Meidan
Jun 20, 2017·Molecular Reproduction and Development·Agnieszka WaclawikAdam J Ziecik
Nov 8, 2013·Molecular Endocrinology·Dagan MaoJohn S Davis
Dec 19, 2019·Frontiers in Endocrinology·Mohamed A Abedel-MajedAndrea S Cupp
Jul 2, 2020·Conservation Physiology·Abbey E WilsonDavid M Janz
May 28, 2017·Molecular and Cellular Endocrinology·Heather TalbottJohn S Davis

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