when fibroblasts in suspension ( 1 x 10 ( 6 ) cells ) were stimulated with 2 microm ca1+ ionophore a23187 ( io ) , they synthesized a material that aggregated aspirin-treated washed rabbit platelets and was identified as paf because 1 ) the platelet aggregation it induced was inhibited by bn 52021 , an antagonist of paf putative receptors ;
C0007634
cells
C0032176
platelet aggregation