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CD247基因的多态性与中国汉族人口的扩张性心肌病相关

Chunmei Li¹, XiaoChuan Xie¹, Kun Li²

¹Department of Cardiology, West China Hospital of Sichuan University, 37 Guo Xue Xiang, Chengdu, 610041, China.

BMC cardiovascular disorders

|September 11, 2024

概括

CD247基因中的多态性与中国汉族人群扩张性心肌病 (DCM) 风险有关. 具体来说,rs858543与DCM相关,并影响患者的生存,在DCM患者中观察到CD247mRNA水平降低.

科学领域:

遗传学遗传学是一个
心脏病学心脏病学
免疫学免疫学免疫学

背景情况:

扩张性心肌病 (DCM) 是心力衰竭的主要原因,需要心脏移植.
新出现的证据表明,心肌细胞的自身免疫反应在DCM病变发生过程中可能发挥作用.
CD247基因已与自身免疫性疾病有关,促使对其在DCM中的作用进行调查.

研究的目的:

研究CD247基因多态化与发展DCM的风险之间的关联.
确定CD247基因中的特定单核酸多态 (SNPs) 是否与中国汉族人口中DCM易感性有关.
评估CD247基因变异对DCM患者整体存活时间的影响.

主要方法:

使用聚合酶链反应-限制片段长度多态化 (PCR-RFLP) 进行两个CD247基因SNP (rs12141731和rs858543) 的基因定型.
该研究包括355名DCM患者和404名来自汉族人口的年龄和性别匹配的对照.
统计分析包括皮尔森的千平方测试,单元型分析和考克斯多变量生存分析.

主要成果:

CD247基因中的SNP rs858543与DCM风险显著相关 (p=0.001,OR=0.72).
CC类型与DCM易感性增加相关,而CT类型显示出保护作用.
在DCM患者中,rs858543 TT基因型是延长整体存活时间的独立预测因子 (HR=0.608,p=0.019).
与对照组相比,DCM患者的CD247mRNA表达水平明显较低 (p=0.02).

结论:

CD247基因中的多态性,特别是rs858543,在汉族人口中代表了DCM的潜在风险因素.
这些发现表明CD247基因变异,DCM易感性和患者预后之间存在联系.
需要进一步的研究来阐明CD247影响DCM病变的确切机制.

关键词:

CD247 是一个CD247 CD247 是一个CD247 扩展性心肌病变异症扩展性心肌病变异症遗传多形态的遗传多形态.

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相关概念视频

Single Nucleotide Polymorphisms-SNPs

Single Nucleotide Polymorphisms-SNPs

A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...

Genome-wide Association Studies-GWAS

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...