通过原子模拟,揭示了临床意义上的PPARγ突变,用于通过原子模拟对 thiazolidinedione 治疗反应
Sazzad Shahrear1, Abul Bashar Mir Md Khademul Islam1
1Department of Genetic Engineering & Biotechnology, University of Dhaka, Dhaka, Bangladesh.
International journal of biological macromolecules
|September 23, 2023
概括
过氧体增殖器激活受体玛 (PPARγ) 的遗传变异会影响2型糖尿病的药物反应. 了解这些PPARγ突变对于开发个性化药物和量身定制的药物治疗至关重要.
科学领域:
- 药物基因组学 药物基因组学
- 分子生物学分子生物学
- 计算生物学是一种计算生物学.
背景情况:
- thiazolidinediones通过激素增殖器激活受体玛 (PPARγ) 激活在2型糖尿病中增加胰岛素敏感性.
- 在PPARγ中的单核酸多态性 (SNP) 与对这些药物的多种反应有关.
- 个性化医疗需要了解PPARγ突变如何影响药物相互作用.
研究的目的:
- 研究PPARγ基因突变对蛋白质结构和药物结合的病原性影响.
- 确定可能影响2型糖尿病患者药物反应的特定PPARγ变异.
主要方法:
- 在PPARG基因中对197个误解SNP进行了分析,以确定有害和破坏稳定的变异.
- 分子对接,以评估突变对PPARγ-药物结合能量的影响.
- 分子动力学模拟和主要成分分析,以评估突变PPARγ的原子级结构和动态变化.
主要成果:
- 在197个错误的PPARγSNP中,22个预测是有害和破坏稳定的.
- 分子对接表明至少有七个PPARγ变体的结合能变化.
- 与野生类型的PPARγ相比,R316H突变显示了最显著的破坏性影响,模拟显示了增加的紧性和减少的灵活性.
结论:
- PPARγ中的R316H突变显著改变了蛋白质动态,这可能解释了药物反应的个体间差异.
- 对PPARγ变体的机理洞察力可以指导开发2型糖尿病的精准医学策略.
- 这项研究为根据个体遗传特征量身定制药物疗法提供了基础,以改善治疗结果.
相关概念视频
Oral Hypoglycemic Agents: Biguanides and Glitazones
223
Biguanides, particularly metformin (Glucophage), are insulin sensitizers that enhance glucose uptake, thereby reducing insulin resistance. Unlike sulfonylureas, metformin doesn't prompt insulin secretion, which helps to curb hypoglycemia risk. Metformin is beneficial in treating conditions like polycystic ovary syndrome due to its insulin-resistance reduction capability. The drug's primary action involves curtailing hepatic gluconeogenesis, a significant contributor to high blood...
223
Transducer Mechanism: Nuclear Receptors
1.4K
Nuclear receptors, or NRs, are unique transcription factors that regulate gene transcription and affect the cellular pathways involved in reproduction, development, or metabolism. Their ability to be stimulated by small lipophilic ligands and control vital cellular processes makes them ideal drug targets. Nearly 10-15% of currently prescribed drugs target these receptors.
About 48 different soluble family members of nuclear receptors are identified that can be divided into two main classes:
About 48 different soluble family members of nuclear receptors are identified that can be divided into two main classes:
1.4K


