Journal
ONCOGENE
Volume 20, Issue 13, Pages 1570-1581Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.onc.1204194
Keywords
protease-activated receptors; thrombin; platelets; endothielial cells; G proteins; G protein coupled receptors
Funding
- NHLBI NIH HHS [HL40387] Funding Source: Medline
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The four PAR family members are G protein coupled receptors that are normally activated by proteolytic exposure of an occult tethered ligand, Three of the family members are thrombin receptors, The fourth (PAR2) is not activated by thrombin, but can be activated by other proteases, including trypsin, tryptase and Factor Xa, This review focuses on recent information about the manner in which signaling through these receptors is initiated and terminated, including evidence for inter- as well as intramolecular modes of activation, and continuing efforts to identify additional, biologically-relevant proteases that can activate PAR family members.
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