Species Human Entrez 2149 | Human Mouse Ensembl ENSG00000181104 | |
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Aliases F2R, CHTR, PAR-1, PAR1, TR, Coagulation factor II receptor, coagulation factor II thrombin receptor External IDs MGI: 101802 HomoloGene: 1510 GeneCards: F2R | ||
Proteinase-activated receptor 1 (PAR1) also known as Protease-activated receptor 1 or coagulation factor II (thrombin) receptor is a protein that in humans is encoded by the F2R gene. PAR1 is a G protein-coupled receptor involved in the regulation of thrombotic response. Proteolytic cleavage leads to the activation of the receptor.
PAR-1 has multifaceted effects and plays a key role in mediating the interplay between coagulation and inflammation, which is important in the pathogenesis of inflammatory and fibrotic lung diseases. It is involved both in disruption and maintaining of endothelial barrier integrity, through interaction with either thrombin or activated protein C, respectively.
Ligands
Several selective antagonists for the PAR1 receptor have been developed, for use as anti-clotting agents for the treatment of heart disease.
SCH530348 has been recently shown to attenuate the neutrophilic inflammatory response to Streptococcus pneumoniae by reducing levels of pro-inflamamtory cytokines such as IL-1β and chemokines CXCL1, CCL2 and CCL7.