Platelet proteome changes associated with diabetes and during platelet storage for transfusion.

Platelet proteome changes associated with diabetes and during platelet storage for transfusion.
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血小板蛋白质组的变化与糖尿病和血小板储存输血期间相关。

DOI:
10.1021/pr800885j
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发表时间:
2009
影响因子:
4.4
通讯作者:
Phipps,RichardP
Phipps,RichardP
中科院分区:
生物学2区
文献类型:
--
作者:
Springer,DavidL;Miller,JohnH;Spinelli,SherryL;Pasa-Tolic,Ljiljana;Purvine,SamuelO;Daly,DonaldS;Zangar,RichardC;Jin,Shuangshuang;Blumberg,Neil;Francis,CharlesW;Taubman,MarkB;Casey,AnnE;Wittlin,StevenD;Phipps,RichardP

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人血小板在止血和血栓形成中起关键作用,最近已成为炎症的关键调节因子。储存用于输血的血小板产生与不良输血反应有关的促血栓形成和促炎介质。相应地,这些介质是包括心血管疾病(糖尿病患者死亡的主要原因)在内的病理状况中的主要参与者。鉴于此,对从健康和2型糖尿病患者中收集的血小板进行了基于质谱的蛋白质组学研究。引人注目的是,我们创新且敏感的蛋白质组学方法鉴定出了122种相对于非糖尿病对照在2型糖尿病患者中上调或下调的蛋白质,以及117种在5天储存期内丰度发生变化的蛋白质。值得注意的是,我们的研究是第一个表征的蛋白质组的糖尿病患者的血小板之前和之后储存输血。这些确定的差异使我们能够制定新的假设和实验,以改善临床结果,通过靶向“高危血小板”,使血小板输注不太有效,甚至不安全。
Human platelets play a key role in hemostasis and thrombosis and have recently emerged as key regulators of inflammation. Platelets stored for transfusion produce pro-thrombotic and pro-inflammatory mediators implicated in adverse transfusion reactions. Correspondingly, these mediators are central players in pathological conditions including cardiovascular disease, the major cause of death in diabetics. In view of this, a mass spectrometry based proteomics study was performed on platelets collected from healthy and type-2 diabetics stored for transfusion. Strikingly, our innovative and sensitive proteomic approach identified 122 proteins that were either up- or down-regulated in type-2 diabetics relative to nondiabetic controls and 117 proteins whose abundances changed during a 5-day storage period. Notably, our studies are the first to characterize the proteome of platelets from diabetics before and after storage for transfusion. These identified differences allow us to formulate new hypotheses and experimentation to improve clinical outcomes by targeting “high risk platelets” that render platelet transfusion less effective or even unsafe.
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