胰岛素类似物的结构和结合亲和力与糖尿病治疗作用开始的相关性

G. Permatasari, D. Utomo, D. L. Purwaningroom, D. Soeatmadji
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引用次数: 0

摘要

背景:近年来,胰岛素类似物的生产得到了改善,[UNK]越来越受欢迎。与人胰岛素相比,胰岛素类似物在有效性方面的优势已被广泛综述。每一个胰岛素类似物行业都声称其在体内和体外克服2型糖尿病的安全性和有效性。在此,我们报道了基于高效类似物的胰岛素的结构和结合亲和力的计算鉴定,以证实其潜力,并为胰岛素类似物使用者提供更广泛的观点。方法:分析5种胰岛素类似物,阿斯帕、甘精氨酸、德特米尔、利斯普和迪格。我们通过比对对序列进行分组和聚类,以确定样本之间的紧密性和序列相似性,然后通过叠加分析和利用对接分析方法进行结合亲和力鉴定。结果:Lispro与其他类型的序列相似性最低,接近Aspart(96%)和Glargine(90.5%),而Detemir和Degluec显示出100%的相似性,我们决定在下一次分析中只使用Degluec。此外,由于RMSD数据中缺乏显著差异,Lispro、Aspart和Glargine表现出结构相似性。重要的是,Aspart在与胰岛素受体(INSR)的对接分析中具有最高的结合亲和力得分(-66.1+/-7.1Kcal/mol),并且与人胰岛素的结合位点面积相似。结论:我们的发现表明,胰岛素类似物对胰岛素受体的强度与其在人体内的快速机制是一致的。关键词:计算、对接、胰岛素类似物、序列相似性、结构[UNK]摘要背景:目前,胰岛素类似物的产量正在增加并变得流行。与人类胰岛素相比,胰岛素类似物的益处已在疗效方面得到广泛评估。每个胰岛素类似物行业都声称其安全性,并基于体内和体外开发来克服2型糖尿病。我们报道了一种基于计算结构和结合亲和力的有效胰岛素类似物的鉴定,以证实其潜力,并为胰岛素类似物使用者提供更广阔的前景。方法:分析五种胰岛素类似物,天冬氨酸、甘精氨酸、德特米尔、利斯普和迪格。我们对这些序列进行了比较和分组,并进行了调整,以确定样本序列之间的接近性和相似性,继续进行叠加分析,并使用对接分析方法进行结合亲和力鉴定。结果:Lispro与其他类型的序列相似性最低,接近Aspart(96%)和甘精(90.5%),而Determir和Deglutec显示出100%的相似性,因此我们可以使用Degludic进行进一步的分析。此外,Lispro、Aspart和Glargine显示出结构相似性,RMSD数据中的低显著性值加强了这一点。应该注意的是,在与胰岛素受体(INSR)的对接分析中,天冬氨酸具有最高的亲和力得分(-66.1+/-7.1kkal/mol),并且具有类似于人胰岛素的结合面积。结论:我们的研究结果表明,类似物胰岛素的强度与其在人体内的机械速度相匹配关键词:计算、对接、类似物胰岛素、二次相似性、结构
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The correlation of structural and binding affinity of insulin analog to the onset of action for diabetic therapy
Background: These days, insulin analog production has been improved and  becoming popular. The advantages of insulin analog have been extensively reviewed in terms of effectiveness compared to human insulin. Each of the insulin analog industries has claimed their safety and efficacy based on in vivo and in vitro to overcome type 2 diabetes. Hereby, we report on the identification of highly effective analog-based insulin on structure and binding affinity computationally, to confirm its potential and give a broader point of view to insulin analog users. Methods: Five types of insulin analogs, Aspart, Glargine, Detemir, Lispro and Degludec, were analyzed. We grouped and clustered the sequence by alignment to identify the closeness and sequence similarity between samples, continued by superimposing analysis and undertaking binding affinity identification utilizing of a docking analysis approach. Results: Lispro had the least sequence similarity to other types, close to Aspart (96%) and Glargine (90.5%), while Detemir and Degludec showed 100% similarity we decide to only use Degludec for the next analysis. Furthermore, Lispro, Aspart, and Glargine exhibited structural similarity strengthened by the lack of significant difference in the RMSD data. Importantly, Aspart had the highest binding affinity score (-66.1 +/- 7.1 Kcal/mol) in the docking analysis to the insulin receptor (INSR) and similar binding site areas to human insulin.  Conclusion: Our finding revealed that the strength of insulin analogs towards insulin receptors is identic with its rapid mechanism in the human body. Keywords: computation, docking, insulin analog, sequence similarity, structure    Abstrak Latar belakang: Saat ini, produksi analog insulin meningkat dan menjadi popular. Keuntungan analog insulin telah ditinjau secara ekstensif dalam hal efektivitas dibandingkan dengan insulin manusia. Masing-masing industri analog insulin mengklaim keamanan dan kemanjurannya berdasarkan in vivo dan in vitro untuk mengatasi diabetes tipe 2. Kami melaporkan identifikasi insulin analog yang efektif berdasarkan struktur dan afinitas pengikatan secara komputasi, untuk mengonfirmasi potensi serta memberikan sudut pandang yang lebih luas kepada pengguna insulin analog. Metode: Lima jenis analog insulin, Aspart, Glargine, Detemir, Lispro, dan Degludec, dianalisis. Kami membandingkan dan mengelompokkan urutan tersebut dengan penyelarasan untuk mengidentifikasi kedekatan dan kesamaan urutan antar sampel dilanjutkan dengan superimposing analysis dan melakukan identifikasi binding affinity menggunakan pendekatan analisis docking. Hasil: Lispro memiliki kemiripan sekuen paling rendah dengan jenis lainnya, mendekati Aspart (96%) dan glargine (90,5%), sedangkan Determir dan Degludec menunjukkan kemiripan 100% sehingga kami menggunakan Degludec untuk analisis selanjutnya. Selain itu, Lispro, Aspart, dan Glargine menunjukkan kesamaan struktural yang diperkuat oleh rendahnya nilai signifikansi pada data RMSD. Perlu digarisbawahi bahwa Aspart memiliki skor afinitas pengikatan tertinggi (-66.1 +/- 7.1 kkal / mol) dalam analisis docking ke reseptor insulin (INSR) dan memiliki area pengikatan yang serupa dengan insulin manusia. Kesimpulan: Penemuan kami mengungkapkan bahwa kekuatan insulin analog sejalan dengan laju mekanismenya di dalam tubuh manusia Kata kunci: komputasi, docking, insulin analog, kemiripan sekuen, struktur
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