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Theriogenology

Effects of LPA2R, LPA3R, or EP4R agonists on luteal or endometrial function in vivo or in vitro and sirtuin or EP1R, EP2R, EP3R or EP4R agonists on endometrial secretion of PGE and PGF


PMID 28460684

Abstract

In previous work, an EP2 prostanoid receptor (EP2R) agonist in vivo increased mRNA expression of luteal LH receptors (LHR), unoccupied and occupied luteal; LHR, and circulating progesterone, while an EP3R or FPR agonist decreased; mRNA expression of luteal LHR, unoccupied and occupied luteal LHR, and; circulating progesterone. An EP4R and lysophosphatidic acid (LPA) LPA2R and LPA3R agonists were reported to inhibit luteal function and sirtuins have been proposed to increase prostaglandin synthesis. The objectives were to determine; whether an EP4R, LPA2R, or LPA3R agonist affect ovine luteal function in vivo or; in vitro. In addition, whether sirtuin (SIRT)-1, 2, or 3; LPA2R or LPA3R; or EP1R, EP2R, EP3R, or EP4R agonists affect caruncular endometrial PGF

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