TNF-α-1031T/C和-863C/A多态性与脂质不良症相关
Kaihao Lin1, Chaofen Wu1,2, Xin Yao1
1Department of Gastroenterology, The First Affiliated Hospital of Shantou University Medical College, Shantou515041, Guangdong, People's Republic of China.
The British journal of nutrition
|July 31, 2025
概括
瘤亡因子-α (TNF-α) 基因变异,特别是 -1031T/C和 -863C/A,与较低的脂质失调症风险有关,特别是在男性中. 这些发现提供了对脂质疾病遗传倾向的见解.
科学领域:
- 遗传学和分子生物学
- 心血管疾病研究研究
- 代谢障碍 代谢障碍 代谢障碍
背景情况:
- 脱脂症是心血管疾病的重要危险因素.
- 瘤坏死因子-α (TNF-α) 基因多态化在脂质不良症中的作用仍然不完全理解.
- 调查遗传关联可以阐明疾病机制并识别有风险的人群.
研究的目的:
- 在中国人群中调查特定的TNF-α基因多态性和脂质不良症之间的关联.
- 探索这些多形态对失脂症的潜在性别特异性影响.
- 提供有关TNF-α在脂质代谢中的作用的机制性见解.
主要方法:
- 一个病例控制研究涉及595名来自中国山地区的参与者 (162例,433例对照).
- 五种TNF-α多态的基因定型: -1031T/C, -863C/A, -857C/T, -308G/A,以及 -238G/A.
- 统计分析包括千二测试和物流回归,多次比较FDR校正.
主要成果:
- 在TNF-α多态 -1031T/C和 -863C/A和脂质不良症之间发现了显著的关联.
- 携带特定基因型 (TC+CC为-1031T/C,CA+AA为-863C/A) 和等位基因 (C为-1031,A为-863) 的携带者显示出缺脂血的几率降低.
- 这些保护性关联主要在男性中观察到,而在女性中没有显著发现.
结论:
- 特定的TNF-α基因多态性 (-1031T/C和-863C/A) 与缺脂血的风险降低有关,特别是在男性中.
- 这些发现表明,某些TNF-α基因基因对抗脂质不良症的潜在保护作用.
- 功能性注释将这些多态度与参与脂肪生成的转录因子联系起来,提供机械洞察力.
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