在人体配对盒子4基因中非同义单核酸多态 (nsSNP) 的In Silico功能和结构分析
Md Mostafa Kamal1, Md Numan Islam1,2, Md Golam Rabby1
1Department of Nutrition and Food Technology, Jashore University of Science and Technology, Jashore, Bangladesh.
Biochemical genetics
|December 7, 2023
概括
这项研究使用生物信息学识别了PAX4基因中有害的单核酸多态 (SNP). 这些遗传变异改变了蛋白质的结构和功能,可能导致2型糖尿病等疾病.
科学领域:
- 遗传学 是一个遗传学.
- 生物信息学是一种生物信息学.
- 分子生物学分子生物学
背景情况:
- PAX4基因对胰腺β细胞功能和胰岛素分泌至关重要.
- 在PAX4中的单核酸多态 (SNPs) 与各种人类疾病有关.
- 了解PAX4SNP的分子机制对于疾病发病研究至关重要.
研究的目的:
- 通过全面的生物信息学分析,在PAX4基因中识别与疾病相关的SNP.
- 阐明特定的PAX4SNP如何影响蛋白质结构和功能.
- 研究这些遗传变异在人类疾病 (包括2型糖尿病) 中的潜在作用.
主要方法:
- 对PAX4基因SNP的生物信息分析,包括SIFT,PolyPhen-2和PROVEAN.
- 错误的识别和分类,同义词和内在变体.
- 对有害非同义SNP (nsSNP) 的结构分析,以评估蛋白质的稳定性和保存.
主要成果:
- 确定了4145个PAX4SNP,其中很大一部分是误解和内在变异.
- 118种误解变异被SIFT预测为有害,分别由PolyPhen-2和PROVEAN标记为有害的25种和23种.
- 14个nsSNP被始终确定为有害或有害的,11个nsSNP相关蛋白被发现是不稳定的和高度保存的,特定突变 (R20W,R39Q,R45Q,R60H,G65D,A223D) 特别有害.
结论:
- 综合生物信息学分析成功识别了PAX4基因中的有害nsSNP.
- 这些nsSNP可以改变PAX4蛋白的结构和功能特征.
- 已识别的PAX4 nsSNP是人类疾病,特别是2型糖尿病的发病因子的潜在贡献者.
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