牙发育作为一种与中国遗传性扩散性胃癌相关的新型现象特征
Ziyue Wang1, Qianwen Ding2, Jiaqi Xu1
1Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Journal of medical genetics
|October 23, 2025
概括
遗传性扩散性胃癌 (HDGC) 与CDH1突变有关. 先天性牙发病可能是一个罕见但重要的早期标志,用于识别患有HDGC高风险的个体.
科学领域:
- 在瘤学瘤学.
- 遗传学 是一个遗传学.
背景情况:
- 遗传性扩散性胃癌 (HDGC) 是一种与生殖系CDH1突变相关的自体主导性癌症.
- 携带CDH1突变的携带者面临早期胃癌的风险增加,需要早期诊断标志物.
研究的目的:
- 在中国的胃癌患者中调查CDH1生殖系突变的患病率.
- 为了早期诊断,识别与CDH1突变相关的潜在表型特征.
主要方法:
- 使用下一代测序对121名胃癌患者进行了基因测试.
- 使用统计测试,使用CDH1-突变和非突变组之间的临床病理特征进行了比较.
主要成果:
- 在121名患者中,发现了3名CDH1生殖系突变携带者 (2.5%).
- 突变携带者在显著较年轻的年龄被诊断出来 (p<0.05).
- 两名患者出现了先天性牙发生,这是HDGC中罕见的表型,在东亚队列中以前没有报告过.
结论:
- 先天性牙发生是CDH1生殖系突变的潜在表型表现.
- 识别这一特征可以帮助识别高风险个体,以便进行遗传咨询和监测.
- 需要进一步的研究来验证先天性牙产生与CDH1突变之间的关联.
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