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Hemoglobin-albumin Crosslinked Copolymers: Reduced Prooxidant Reactivity

机译:血红蛋白-白蛋白交联共聚物:降低的抗氧化剂反应性

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: We have previously reported that derivatization of hemoglobin with periodate-modified sugar derivatives such as oxidized adenosine triphosphate (oATP) leads to an increase in prooxidant reactivity at the heme. Here, we report that copolymerization of hemoglobin with serum albumin alleviates this problem completely, to the extent where the copolymer even has a slightly lower autooxidation rate compared to native hemoglobin. A similar, although not as potent, effect is obtained when hemoglobin is derivatized with oATP in the presence of small-molecule antioxidants instead of albumin.
机译::我们之前曾报道过,用高碘酸盐修饰的糖衍生物(例如氧化三磷酸腺苷(oATP))将血红蛋白衍生化会导致血红素上的前氧化剂反应性增加。在这里,我们报道血红蛋白与血清白蛋白的共聚合完全缓解了这个问题,达到了与天然血红蛋白相比甚至具有稍低的自氧化率的程度。当在小分子抗氧化剂而不是白蛋白存在下用oATP衍生血红蛋白时,会获得相似但不那么有效的效果。

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