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通过 方法探索和评估针对 BRCA 蛋白的生物活性植物化合物。

Exploration and evaluation of bioactive phytocompounds against BRCA proteins by approach.

机构信息

Department of Studies & Research in Biotechnology, Tumkur University, Tumakuru, India.

Department of Biotechnology & Genetics, Ramaiah College of Arts, Science and Commerce, Bangalore, India.

出版信息

J Biomol Struct Dyn. 2021 Sep;39(15):5471-5485. doi: 10.1080/07391102.2020.1790424. Epub 2020 Jul 8.

Abstract

The proteins encoded by the two major breast cancer genes (BRCA1 and BRCA2), ensure the stability of DNA and prevent uncontrolled cell growth; mutation of these genes is linked to the development of hereditary breast cancers. Exploration of human breast cancer inhibitors plays a vital role in the drug discovery process. In the current work, studies were performed which involves a computational approach for the identification of active phytocompounds from the diverse set of medicinal plant products against the BRCA receptor. The study through pharmacokinetics and pharmacodynamics properties shown promising outcomes for these phytocompounds data set as breast cancer inhibitors. It was observed that the compounds conformed to the Lipinski's rule of five and had good bioavailability. The drug-likeness model score and ADMET profile of the designed ligands also established their potential as a drug candidate. The docking study provided useful insights on potential target-lead interactions and indicated that the newly designed leads had a good binding affinity for BRCA targets. A pharmacophore model was built to explore the scaffolds for BRCA inhibitory activity. An effort is made to screen an inhibitor against BRCA targets by combining the use of ADMET, docking score, and pharmacophore model.Communicated by Ramaswamy H. Sarma.

摘要

这两种主要的乳腺癌基因(BRCA1 和 BRCA2)所编码的蛋白质,确保了 DNA 的稳定性并防止了不受控制的细胞生长;这些基因的突变与遗传性乳腺癌的发展有关。探索人类乳腺癌抑制剂在药物发现过程中起着至关重要的作用。在目前的工作中,进行了研究,涉及从多种药用植物产品中针对 BRCA 受体识别活性植物化合物的计算方法。通过药代动力学和药效学特性研究,这些植物化合物数据集显示出作为乳腺癌抑制剂的有希望的结果。结果表明,这些化合物符合 Lipinski 的五规则,具有良好的生物利用度。设计配体的药物相似性模型评分和 ADMET 概况也确立了它们作为候选药物的潜力。对接研究提供了关于潜在靶标 - 配体相互作用的有用见解,并表明新设计的配体对 BRCA 靶标具有良好的结合亲和力。构建了药效团模型,以探索针对 BRCA 抑制活性的支架。通过结合使用 ADMET、对接评分和药效团模型,努力筛选针对 BRCA 靶标的抑制剂。由 Ramaswamy H. Sarma 传达。

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