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Platelet Function, Activation and Apoptosis During and After Apheresis

机译:置换期间和之后的血小板功能,活化和凋亡

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摘要

Platelets are known to undergo shape change, activation, release reaction and apoptosisecrosis during processing and storage. Apheresis may have a deleterious impact on platelet achievability and functional integrity. Platelet concentrates from 50 male volunteers obtained by COBE spectra were screened for platelet activation (CD62 and CD154) and apoptosis (phosphatidylserine detected by Annexin V). Donor samples before separation, during apheresis and at the third day of storage were used as baseline donor samples. Platelet aggregation to adenosine diphosphate (ADP) and collagen was performed. There was a statistically significant increase in the expression of activation markers in two different samples (during separation samples and third day samples).
机译:已知血小板在加工和储存过程中会发生形状变化,活化,释放反应和凋亡/坏死。剥脱术可能对血小板可实现性和功能完整性产生有害影响。通过COBE光谱从50名男性志愿者的血小板浓缩液中筛选血小板活化(CD62和CD154)和细胞凋亡(膜联蛋白V检测到的磷脂酰丝氨酸)。分离前,采血期间和储存第三天的供体样品用作基线供体样品。进行血小板聚集至二磷酸腺苷(ADP)和胶原蛋白。在两个不同的样品中(分离样品和第三天样品中),激活标记的表达有统计学上的显着增加。

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