中国儿童的LMO家族基因多态和威尔姆斯瘤易感性:一项五中心病例控制研究
Wen Fu1, Linqing Deng2, Xiaosong Yan3
1Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, Guangdong, 510623, China. lydia_fw@hotmail.com.
只有LIM域 (LMO) 家族基因的遗传变异,包括LMO1和LMO2,与中国儿童的威尔姆斯瘤风险有关. 特定的LMO1和LMO2多态影响敏感性,其中一些提供保护,而另一些增加风险.
科学领域:
- 儿科瘤学 儿科瘤学
- 癌症遗传学 癌症遗传学
- 分子流行病学分子流行病学
背景情况:
- 威尔姆斯瘤是全球最常见的儿童癌.
- 全基因组关联研究已将LIM域仅1 (LMO1) 基因多态性与癌症易感性相关联.
- 包括LMO1-4在内的LMO基因家族包括具有已知的致癌潜力的成员.
研究的目的:
- 研究LMO家族基因中的单核酸多态 (SNPs) 与威尔姆斯瘤易感性之间的关联.
- 评估特定LMO基因变异与在中国儿科患者群体中发展威尔姆斯瘤的风险之间的相关性.
主要方法:
- 进行了五个中心的病例控制研究.
- 在LMO家族基因 (LMO1,LMO2) 中分析了单核酸多态 (SNP).
- 计算了几率比率和95%置信区间来评估关联的强度.
主要成果:
- 特定的LMO1SNP (rs2168101,rs11603024) 和一个LMO2SNP (rs7933499) 与威尔姆斯瘤风险有显著的关联.
- LMO1 rs2168101的多态性在较小的儿童 (≤18个月),男性和早期临床阶段 (I/II) 显示出保护作用.
- LMO1 rs11603024多态性与年龄较大的儿童 (>18个月) 的风险增加有关,但在性别和性别分层分析中提供了保护. LMO2 rs7933499多态性与幼儿和早期儿童的风险增加有关.
结论:
- LMO家族的基因多态性在中国儿童的威尔姆斯瘤易感性中起着重要作用.
- 已识别的LMO基因变异可能作为威尔姆斯瘤风险分层的潜在生物标志物.
- 需要进一步的研究来验证这些发现,并探索潜在的机制.
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