CELLULAR SOURCE AND CHARACTER OF A HEAT-STABLE BACTERICIDAL PROPERTY ASSOCIATED WITH RABBIT AND RAT PLATELETS

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Abstract
Rabbit and rat platelets contain two non-dialyzable components (analogous to Myrvik's components 1 and 2 of serum) which, together with bicarbonate ions, produce a potent bactericidin for B. subtilis. These platelet factors appear to be identical with the serum bactericidal substances, suggesting that disruption of platelets during blood coagulation releases the platelet factors into serum. Normal human platelets contain no measurable component 1 or 2.