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基于卤素的激动剂设计,用于增强弗里德里希共济失调中 frataxin 蛋白的表达。

Halogens engineering-based design of agonists for boosting expression of frataxin protein in Friedreich's ataxia.

机构信息

Department of Biotechnology, Faculty of Science & Technology, University of Central Punjab, Lahore, Pakistan.

出版信息

Eur Rev Med Pharmacol Sci. 2023 Aug;27(15):6972-6984. doi: 10.26355/eurrev_202308_33269.

Abstract

OBJECTIVE

Decreased expression of the mitochondrial protein frataxin is the cause of the neurodegenerative disorder Friedreich's ataxia. In patients with cardiac disorders, the death rate of this disease is very high, up to 66%. In order to combat Friedreich ataxia, which is a potentially toxic disorder, de novo drug discovery and design have been created utilizing the approach of compound engineering with halogens. This study aimed to investigate the potential for effective treatment of Friedreich ataxia.

MATERIALS AND METHODS

The screening of twenty different agonist compounds was carried out in order to find the most promising agonist compound that may be used for molecular docking prediction against the Frataxin Protein. The compound with the lowest binding energies is then optimized by halogens. The final candidate's drug-like properties are identified through Absorption, Distribution, Metabolism, Excretion, and Toxicity (ADMET) profiling. Lipinski's rule of five was checked. Molecular dynamic stimulations were evaluated.

RESULTS

The most potent agonist compound was identified out of twenty different compounds utilizing a docking approach against the Frataxin Protein. The compound with the lowest binding energies was next subjected to optimization by halogens. The optimized agonist 9-[1-[(1S, 5R)-8, 8-dimethyl-8-azoniabicyclo[3.2.1]octan-3-yl]triazol-4-yl]fluoren-9-ol  has higher binding energy of -10.4Kcal/mol with molecular weight of 705.63 g/mol. Drug-like properties are identified through ADMET profiling, having water solubility of about -7.59, skin permeation -7.08 cm/s, bioavailability score 0.17, and high GI absorption. The candidate fulfills the Lipinski rule of five and portrays efficient molecular dynamic stimulations.

CONCLUSIONS

The selected agonist is one of the most potent compounds in increasing Frataxin protein expression. Furthermore, optimization with halogens can be a productive approach to improve the candidate's drug efficacy. The development of effective medications for the treatment of Friedreich ataxia would be aided by the results of these computational investigations.

摘要

目的

线粒体蛋白 frataxin 表达减少是弗里德里希共济失调症这种神经退行性疾病的病因。在患有心脏疾病的患者中,这种疾病的死亡率非常高,高达 66%。为了对抗弗里德里希共济失调症,这是一种潜在的毒性疾病,利用卤代物的化合物工程方法进行了新药发现和设计。本研究旨在探讨有效治疗弗里德里希共济失调症的可能性。

材料和方法

为了找到最有希望的激动剂化合物,用于对 Frataxin 蛋白进行分子对接预测,对二十种不同的激动剂化合物进行了筛选。然后,用卤代物对具有最低结合能的化合物进行优化。通过吸收、分布、代谢、排泄和毒性 (ADMET) 分析来确定最终候选药物的类药性。检查了 Lipinski 五规则。评估了分子动力学刺激。

结果

利用对接方法对 Frataxin 蛋白进行了二十种不同化合物的筛选,确定了最有效的激动剂化合物。然后,对具有最低结合能的化合物进行卤代物优化。优化后的激动剂 9-[1-[(1S, 5R)-8, 8-二甲基-8-氮杂双环[3.2.1]辛-3-基]三唑-4-基]芴-9-醇具有更高的结合能-10.4Kcal/mol,分子量为 705.63g/mol。通过 ADMET 分析确定了类药性,具有约-7.59 的水溶性、-7.08cm/s 的皮肤渗透、0.17 的生物利用度评分和高 GI 吸收。候选药物符合 Lipinski 五规则,并表现出有效的分子动力学刺激。

结论

所选激动剂是增加 Frataxin 蛋白表达的最有效化合物之一。此外,用卤代物进行优化可以是提高候选药物疗效的有效方法。这些计算研究的结果将有助于开发治疗弗里德里希共济失调症的有效药物。

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