Compared with fresh platelets, the expression of CD62P on platelet membrane decreased obviously after cryopreservation, but not observed difference at preservation for 1 month and 3 months, as well as among 3 kinds of different CPA.

• 与新鲜血小板相比,冻存后血小板表达CD62P明显下降,保存1月与3月时CD62P表达无明显差异,3种保存液组之间CD62P表达无明显差异。