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从天然产物图谱中筛选出的先导化合物的鉴定,用于通过分子对接和动力学模拟治疗肾脏炎症小体。

Identification of lead compound screened from the natural products atlas to treat renal inflammasomes using molecular docking and dynamics simulation.

机构信息

S Khan Lab Mardan, Khyber Pakhtunkhwa, Pakistan.

Department of Bioinformatics, Institute of Biochemistry, Biotechnology, and Bioinformatics, The Islamia University of Bahawalpur, Bahawalpur, Pakistan.

出版信息

J Biomol Struct Dyn. 2024 Jun;42(9):4851-4861. doi: 10.1080/07391102.2023.2254397. Epub 2023 Sep 13.

Abstract

One of the most prevalent ailments is kidney disease. Effective therapies for chronic renal disease are hard to come by. As a result, there is significant clinical and social interest to predict and develop novel compounds to treat renal disorders. So, specific natural products have been employed in this study because they have protective effects against kidney diseases. When taken orally, natural products can help protect against or lessen the severity of the kidney damage caused by high fructose intake, a high-fat diet, and both Type I and Type 2 diabetes. Reduced podocyte injury, a contributor to albuminuria in diabetic nephropathy, reduces renal endothelial barrier function disruption due to hyperglycemia, as well as urinary microalbumin excretion and glomerular hyperfiltration. Multiple natural products have been shown to protect the kidneys from nephrotoxic chemicals such as LPS, gentamycin, alcohol, nicotine, lead, and cadmium, all of which can persuade acute kidney injury (AKI) or chronic kidney disease (CKD). Natural compounds inhibit regulatory enzymes for controlling inflammation-related diseases. For this, use computational methods such as drug design to identify novel flavonoid compounds against kidney diseases. Drug design computational methods gaining admiration as a swift and effective technique to identify lead compounds in a shorter time at a low cost. In this in-silico study, we screened The Natural Product Atlas based on a structure-based pharmacophore query. Top hits were analyzed for ADMET analysis followed by molecular docking and docking validation. Finally, the lead compound was simulated for a period of 200 ns and trajectories were studied for stability. We found that NPA024823 showed promising binding and stability with the AIM2. This research work aims to predict novel anti-inflammatory compounds against kidney diseases to inhibit kidney inflammasome by targeting the AIM2 protein. So, in initial preclinical research, there will be lower failure rates that demonstrate safety profiles against predicted compounds.Communicated by Ramaswamy H. Sarma.

摘要

一种最常见的疾病是肾脏疾病。慢性肾病的有效治疗方法很难找到。因此,预测和开发治疗肾脏疾病的新型化合物具有重要的临床和社会意义。因此,本研究采用了特定的天然产物,因为它们对肾脏疾病有保护作用。天然产物口服后,可预防或减轻高果糖摄入、高脂肪饮食以及 1 型和 2 型糖尿病引起的肾脏损伤的严重程度。减少足细胞损伤可减轻糖尿病肾病中白蛋白尿的发生,减少高血糖引起的肾内皮屏障功能破坏以及尿微量白蛋白排泄和肾小球高滤过。多项研究表明,多种天然产物可保护肾脏免受肾毒性化学物质的侵害,如 LPS、庆大霉素、酒精、尼古丁、铅和镉,所有这些都可诱发急性肾损伤(AKI)或慢性肾病(CKD)。天然化合物可抑制控制炎症相关疾病的调节酶。为此,使用药物设计等计算方法来鉴定针对肾脏疾病的新型黄酮类化合物。药物设计 计算方法作为一种快速有效的技术,在短时间内以低成本识别先导化合物,越来越受到赞赏。在这项计算机研究中,我们基于基于结构的药效团查询筛选了天然产物图谱。对 top hits 进行 ADMET 分析,然后进行分子对接和对接验证。最后,对先导化合物进行了 200ns 的模拟,并对轨迹进行了稳定性研究。我们发现 NPA024823 与 AIM2 表现出良好的结合和稳定性。这项研究工作旨在预测针对肾脏疾病的新型抗炎化合物,通过靶向 AIM2 蛋白抑制肾脏炎症小体。因此,在初步的临床前研究中,预测化合物的安全性特征将降低失败率。由 Ramaswamy H. Sarma 交流。

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