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Computational Analysis of the Silver Nanoparticle-Human Serum Albumin Complex.
ACS Omega ( IF 3.7 ) Pub Date : 2019-12-24 , DOI: 10.1021/acsomega.9b02340
Zaved Hazarika 1 , Anupam Nath Jha 1
Affiliation  

Drug delivery in excess concentrations and at not-specified sites inside the human body adversely affects the body and gives rise to other diseases. Several methods have been developed to deliver the drugs in required amounts and at specific targets. Nanoparticle-mediated drug delivery is one such approach and has gained success at primary levels. The effect of nanoparticles on the human body needs important apprehension, and it has been unraveled by assessing the protein-nanoparticle interactions. Here, we have measured the impact of silver nanoparticles (AgNPs) on the human serum albumin (HSA) structure and function with the help of all-atom molecular dynamics simulations (MDS). HSA is a transport protein, and any change in the structure may obstruct its function. The post MD analyses showed that the NP interacts with HSA and the conjugated system got stabilized with time evolution of trajectories. The present investigation confirms that the AgNP interacts with HSA without affecting its tertiary and secondary structures and in turn the protein function as well. AgNP application is recommended in transporting conjugated drug molecules as it has no adverse effect on serum proteins. Since HSA is present in the circulatory system, it may open various applications of AgNPs in the biomedical field.

中文翻译:

银纳米粒子-人血清白蛋白复合物的计算分析。

药物浓度过高且在人体内未指定的部位递送会对人体造成不利影响并引起其他疾病。已经开发了几种方法来以所需的量和特定的目标递送药物。纳米粒子介导的药物递送是一种这样的方法,并且已经在初级水平获得成功。纳米粒子对人体的影响需要重要的认识,并且已经通过评估蛋白质-纳米粒子的相互作用来阐明。在这里,我们借助全原子分子动力学模拟(MDS)测量了银纳米颗粒(AgNPs)对人血清白蛋白(HSA)结构和功能的影响。HSA是一种转运蛋白,结构上的任何变化都可能阻碍其功能。MD后分析表明,NP与HSA相互作用,共轭体系随着轨迹的时间演化而趋于稳定。目前的研究证实,AgNP与HSA相互作用而不会影响其三级和二级结构,进而影响蛋白质的功能。建议在运输结合药物分子时使用AgNP,因为它对血清蛋白无不利影响。由于HSA存在于循环系统中,因此它可能会在生物医学领域开启AgNP的各种应用。建议在运输结合药物分子时使用AgNP,因为它对血清蛋白无不利影响。由于HSA存在于循环系统中,因此它可能会在生物医学领域开启AgNP的各种应用。建议在运输结合药物分子时使用AgNP,因为它对血清蛋白无不利影响。由于HSA存在于循环系统中,因此它可能会在生物医学领域打开AgNPs的各种应用。
更新日期:2020-01-14
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