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J Biol Chem. 1994 Jan 14;269(2):1356-60.

Cloning and expression of a cDNA for mouse prostaglandin F receptor.

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  • 1Department of Physiological Chemistry, Faculty of Pharmaceutical Sciences, Kyoto University, Japan.


A functional cDNA clone for mouse prostaglandin (PG) F receptor was isolated from a mouse cDNA library using polymerase chain reaction based on the sequence of cloned prostanoid receptors, and cross-hybridization screening. The mouse PGF receptor consists of 366 amino acid residues with putative seven transmembrane domains. The sequence revealed the highest homology to the EP1 subtype of PGE receptor and thromboxane (TX) A2 receptor. Ligand binding studies using membranes of COS cells transfected with the cDNA revealed specific [3H]PGF2 alpha binding. The binding was displaced with unlabeled PGs in the order of PGF2 alpha = 9 alpha, 11 beta PGF2 > PGF 1 alpha > PGD2 > STA2 (a stable TXA2 agonist) > PGE2 > iloprost (a stable PGI2 agonist). PGF2 alpha increased inositol trisphosphate formation in a concentration-dependent manner in COS cells expressing PGF receptor. RNA blot and in situ hybridization analyses demonstrated that the PGF receptor transcripts are abundantly expressed in luteal cells of corpus luteum and in a lesser amount in kidney, heart, stomach, and lung.

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