在日本人口中,PTEN致病变体的癌症和疾病概况
Yuki Kanazashi1,2, Yoshiaki Usui3, Yusuke Iwasaki3
1Laboratory for Cancer Genomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.
生殖系PTEN致病变体 (PVs) 与PTEN hamartoma瘤综合征 (PHTS) 有关. 这项研究发现,在日本成年人中,PV与子宫内膜和乳腺癌显著相关,以及其他与PHTS相关的疾病.
科学领域:
- 遗传学 是一个遗传学.
- 在瘤学瘤学.
- 人类表型研究 研究人类表型研究
背景情况:
- PTEN hamartoma瘤综合征 (PHTS) 是由生殖线PTEN基因改变引起的一组疾病,其特征是高癌症风险和复杂的表型.
- 诊断依赖于通过分子遗传检测识别异合体生殖系PTEN致病变体.
研究的目的:
- 在日本人口中调查PTEN相关的临床表型和PHTS.
- 分析PTEN致病变体与各种癌症类型之间的关联.
主要方法:
- 从日本生物库的113,535名日本成年人中提取了128种生殖系PTEN罕见变异.
- 使用ClinVar和ACMG/AMP指南对29种致病性/可能致病性变体进行了分类.
- 在75,238名癌症患者和38,297名对照患者中进行了PTEN PVs和癌症之间的病例对照关联分析.
主要成果:
- 确定了PTEN PVs与子宫内膜癌 (OR=35.7) 之间的显著关联,以及与女性乳腺癌 (OR=19.5) 的边际关联.
- 在PTEN PV载体中观察到的表型包括子宫纤维瘤,,卵巢囊和.
- 在成年女性PTENPV携带者中发现体重和身高显著增加,这与过度生长综合征一致.
结论:
- 在日本人口中,PTEN PV与特定的表型特征有关,特别是在女性中.
- 这些发现可以帮助查PTEN变体及其相关健康状况.
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