在北印度人口中,对APOE促进区域变异与青光眼的病例控制关联研究
Shruti Passan1, Shiwali Goyal1, Mohd Akbar Bhat1
1Department of Human Genetics, Guru Nanak Dev University, Amritsar 143005 Punjab, India.
Human immunology
|March 28, 2025
概括
阿波利波蛋白E (APOE) c.-219T>G变体与北印度地区,特别是女性的青光眼风险增加有关. 这种遗传因素可能会导致印度人群中青光眼的发展.
科学领域:
- 眼科医生 眼科 眼科
- 遗传学 遗传学 是一个
- 分子生物学分子生物学
背景情况:
- 在不同种族群体中,阿波利波蛋白E (APOE) 的遗传变异被认为是青光眼的风险因素.
- 关于APOE变种和青光眼风险的数据有限,特别是在北印度人口中.
研究的目的:
- 为了研究特定的APOE促销器区域变异 (c.-219T>G,c.-427T>C和c.-491A>T) 与北印度人眼之间的关联.
- 在这个人群中探索APOE促销器变体和青光眼特征之间的基因型-表型相关性.
主要方法:
- 一项涉及286名原发性玻璃眼患者和300名来自北印度的健康对照者的病例控制研究.
- 使用桑格测序对APOE促进体变体 (c.-219T > G,c.-427T > C,c.-491A > T) 的基因定型.
- 统计分析包括病例控制关联和子组分析.
主要成果:
- c.-219T > G 变异的 GG 基因型显示,与对照组 (11.33%) 相比,青光眼患者的患病率显著更高 (18.53%),增加了 1.9 倍的青光眼风险 (OR=1.92).
- 这种风险在女性中更为明显,增加了2.7倍 (OR=2.66). 在一个衰退模型中,GG基因型也表明风险增加了1.8倍 (OR=1.78).
- 在初级开角青光眼 (POAG) 病例中,GG基因型更为普遍 (风险增加2.3倍,OR=2.27),但对于c.-427T>C和c.-491A>T变体没有发现显著的关联.
结论:
- 在APOE促进区的c.-219T>G变异与北印度人口中青光眼发病风险增加有关.
- 这项研究强调了这种特定的APOE基因变异在这种人口群体内的青光眼病原体中的潜在作用.
- 进一步的研究可以探索基因型-表型相关性,以更好地理解与印度的APOE变体相关的玻璃眼特征.
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