Priming interactions between platelet activating factor and histamine in the in vivo microcirculation.


To elucidate whether priming exists between platelet-activating factor (PAF) and histamine in the microcirculation, we measured the clearance of FITC-dextran 150 in response to the topical applications of substimulatory concentrations of PAF and histamine. Maximal priming by PAF was observed when a 5-min interval separated the applications of 10(-9) M PAF… (More)


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