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¡¡¡¡Advances in the Studies of the Clearance Mechanism of Transfused Platelet Concentrates¡ª¡ªReview

¡¡¡¡AbstractPlatelet clearance has already been studied in physiological and pathological conditions and shown its  occurrence mainly in the liver and the spleen. It is still not clear what mechanisms are responsible for recognition and removal of either aged or damaged platelets by the scavenging system. So study of the clearance mechanism will be useful to prolong the survival time of plateletes in vivo. And it may  be related to  a new strategy to store platelets. This article focuses on the advances in studies of the clearance mechanism of transfused platelet concentrates, including roles of P-selectin, GP¢ñb¦Á and its rectptor Mac-1 in platelet clearance, and effect of endogenous metalloproteinase in platelet clea- rance.

¡¡¡¡Key wordsplatelet;  platelet preservation; clearance mechanism;P-selectin;  GP¢ñb¦Á; endogenous metalloproteinase

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