Theoretical aspects of interaction of the anticancer drug cytarabine with human serum albumin.

Theoretical aspects of interaction of the anticancer drug cytarabine with human serum albumin.
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DOI:
10.1007/s11224-023-02164-6
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发表时间:
2023-03-29
影响因子:
1.7
通讯作者:
--
中科院分区:
化学4区
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--
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尽管有各种诊断和治疗方法,癌症仍是世界范围内死亡的主要原因。由于抗癌药物对正常细胞和癌细胞都有影响,靶向药物传递系统在减少抗癌药物对正常细胞的破坏性作用方面发挥了关键作用。在这方面,刺激敏感聚合物的使用近年来有所增加。本研究试图通过计算方法在体温和肿瘤温度下研究抗癌药物阿糖胞苷与刺激敏感聚合物人血清白蛋白(HSA)的相互作用,HSA是血浆中最丰富的蛋白质之一。为此,利用Molegro虚拟Docker软件进行分子对接,从结合能方面选择最佳配体模拟分子动力学。然后,利用Gromacs软件对人血清白蛋白编码(1Ao6)和阿糖胞苷编码(AR3)进行分子动力学模拟,并以图形显示结果。在310 K(正常细胞温度)和313 K(癌细胞温度)下进行100 ns的模拟。结果表明,药物在313 K的温度下释放。这些发现证明了人血清白蛋白对温度的敏感性。
Despite diagnostic and therapeutic methods, cancer is a major cause of death worldwide. Since anticancer drugs affect both normal and cancer cells, targeted drug delivery systems can play a key role in reducing the destructive effects of anticancer drugs on normal cells. In this regard, the use of stimulus-sensitive polymers has increased in recent years. This study has attempted to investigate interaction of the anticancer drug cytarabine with a stimuli-sensitive polymer, human serum albumin (HSA), one of the most abundant protein in blood plasma, via computational methods at both body temperature and tumor temperature. For this purpose, molecular docking was performed using Molegro virtual Docker software to select the best ligand in terms of binding energy to simulate molecular dynamics. Then, molecular dynamics simulation was performed on human serum albumin with code (1Ao6) and cytarabine with code (AR3), using Gromacs software and the results were presented in the graphs. The simulations were performed at 310 K (normal cell temperature) and 313 K (cancer cell temperature) in 100 ns. Results showed drug release occurred at a temperature of 313 K. These findings demonstrated the sensitivity of human serum albumin to temperature.
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