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Non-enzymatic glycation mediated structure-function changes in proteins: case of serum albumin

机译:蛋白质中的非酶促糖糖介导的结构功能变化:血清白蛋白的情况

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摘要

Albumin, a major plasma protein with extraordinary ligand binding properties, transports various ligands ranging from drugs, hormones, fatty acids, and toxins to different tissues and organs in the body. Albumin can undergo glycation on reacting with circulating reducing sugars, and this modification can occur even more frequently under hyperglycaemic conditions. Glycation is a non-enzymatic reaction of proteins and sugars, which gives rise to the formation of early and advanced glycation end products (AGEs). AGEs are a fundamental factor in the development and progression of severe diabetic complications such as nephropathy, neuropathy, retinopathy and cardiovascular disorders. The pathological impact of AGEs is mainly attributed to the structural modifications of proteins due to their cross-linking properties and the modification of lysine and arginine side chains. Herein, we review the structure-function effects of glycation on albumin, specifically focusing on its drug binding functions. Considering its physiological significance, there is a need to focus current research on determining the structure-function impacts of non-enzymatic glycation on serum albumin.
机译:白蛋白是具有非凡配体结合性质的主要血浆蛋白,将各种配体传递给药物,激素,脂肪酸和毒素的不同组织和器官。白蛋白可以在与循环还原糖反应的反应上进行糖化,并且这种改性可以在高血糖条件下更频繁地发生。糖化是蛋白质和糖的非酶促反应,其产生早期和晚期糖化末端产物(年龄)的形成。年龄是严重糖尿病并发症的发展和进展的基本因素,如肾病,神经病变,视网膜病变和心血管障碍。由于其交联性能和赖氨酸和精氨酸侧链的改性,年龄的病理影响主要归因于蛋白质的结构修饰。在此,我们审查了糖化对白蛋白的结构功能效应,特别是对其药物结合功能的影响。考虑到其生理意义,有必要专注于确定在血清白蛋白对非酶促糖化的结构功能影响的研究。

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  • 来源
    《RSC Advances》 |2016年第93期|共15页
  • 作者单位

    SASTRA Univ Mol Biophys Lab Sch Chem &

    Biotechnol Thanjavur 613401 Tamil Nadu India;

    SASTRA Univ Mol Biophys Lab Sch Chem &

    Biotechnol Thanjavur 613401 Tamil Nadu India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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