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首页> 外文期刊>Biopreservation and biobanking >Hydrogel Microfiber Encapsulation Enhances Cryopreservation of Human Red Blood Cells with Low Concentrations of Glycerol
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Hydrogel Microfiber Encapsulation Enhances Cryopreservation of Human Red Blood Cells with Low Concentrations of Glycerol

机译:水凝胶微纤维封装增强了具有低浓度甘油的人红细胞的冷冻保存

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摘要

Cryopreservation of red blood cells (RBCs) has been studied as a typical example of cryobiology methodology. To date, a mature and long-term cryopreservation process for RBCs has been developed, which has the weakness of complicated procedures due to high concentrations of glycerol (Gly). Therefore, it is still a research focus to find a new method for cryopreservation of RBCs to reduce the concentrations of cryoprotectants (CPAs). In this study, alginate hydrogels, which have been widely used in preservation research, were selected because of their advantages such as lower cost, cytocompatibility, and crosslinking occurring under mild conditions. With a variety of CPA solutions, the RBC recovery with the cryopreservation of RBCs and RBC-laden hydrogel microfibers was compared in different situations. It was found that hydrogel microfiber encapsulation enhances cryopreservation of human RBCs with low concentrations of CPAs. And Gly can be removed by washing directly with a 0.9% sodium chloride solution. This study validated the feasibility of cryopreservation of RBC-laden hydrogel microfibers. It may provide a new and evolving direction for reducing the concentrations of CPAs used in the preservation of RBCs.
机译:已经研究了红细胞(RBCS)的冷冻保存作为冷冻学方法的典型例子。迄今为止,已经开发了一种成熟和长期冷冻保存方法,其具有由于高浓度的甘油(GLY)而具有复杂手术的弱点。因此,它仍然是一种研究重点,用于找到一种用于减少冷冻保护剂(CPA)的浓度的RBC的新方法。在本研究中,由于它们在温和条件下发生的优点,因此,选择已被广泛用于保存研究的海藻酸盐水凝胶。通过各种CPA解决方案,在不同情况下比较了RBCS和RBC-LADEN水凝胶微纤维的冷冻保存的RBC回收。发现水凝胶微纤维封装增强了具有低浓度的CPAs的人RBC的冷冻保存。可以通过直接用0.9%氯化钠溶液洗涤来除去Gly。该研究验证了RBC-Laden水凝胶微纤维的冷冻保存的可行性。它可以提供一种新的和不断发展的方向,用于减少保存RBCS中使用的CPA的浓度。

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