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一种深度欧性溶剂是血小板的有效冷保护剂.

Lacey Johnson1, Saffron J Bryant2, Pearl Lei1

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概括
此摘要是机器生成的。

一种新型的深溶解剂 (DES) 有效地冷保存了血小板,显示出与二甲基硫氧化物 (DMSO) 相似的质量,但通过消除有毒的前去除步骤来简化该过程.

关键词:
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科学领域:

  • 生物技术是生物技术.
  • 血液学 血液学 血液学
  • 低温生物学 低温生物学

背景情况:

  • 血小板冷保存通常使用二甲基硫氧化物 (DMSO),这是一种有毒的冷保护剂 (CPA),需要在冷前去除.
  • 寻求更少有毒的替代CPAs来简化血小板冷保存并降低毒性.

研究的目的:

  • 为了评估一种普罗林-甘油 (Prol-Gly 1:3) 作为血小板CPA的深溶剂 (DES).
  • 为了比较DES与DMSO和没有CPA的血小板冷保存的有效性.

主要方法:

  • 血小板被冷保存在-80°C使用10%的Prol-Gly 1:3 (DES),没有CPA或5.5%的DMSO (黄金标准).
  • 血小板质量通过流动细胞计和血栓形成显微镜 (TEG) 进行评估.

主要成果:

  • 解后的恢复在所有组中都相似.
  • DES组显示出更高的可变性血小板糖蛋白 (GPIbα,GPVI),但也增加了激活标志物 (CD62P,annexin-V).
  • 血小板功能 (凝块强度,收缩) 与DES比没有CPA更好,但低于DMSO.

结论:

  • 与没有CPA相比,DES为血小板提供了冷保护的好处.
  • 用DES保存的血小板的大多数质量参数与用DMSO保存的血小板相似.
  • 由于DES的生物相容性,无需在输血前进行清除,简化了该过程,避免了DMSO的毒性.