Loss of PAR4 function was confirmed by platelet aggregation studies where it was shown that PAR4?/? platelets were completely unresponsive to both a PAR4\AP (AYPGKF) and thrombin (Sambrano (Sambrano (2015). is known regarding the pharmacology and physiology of PAR3 and PAR4. Recent studies have begun to develop the pharmacological and genetic tools required to study […]