在遗传性出血性telangiectasia中的家族类型特征:儿科意大利人口中的基因型-表型相关性
Valentina Giorgio1, Chiara Di Foggia1,2, Giovanna Quatrale3
1Dipartimento di Scienze della salute della donna, del bambino e di sanità pubblica, UOC di Pediatria, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Roma, Italia.
Italian journal of pediatrics
|September 24, 2025
概括
遗传性出血性长膜炎 (HHT) 即使在具有相同基因突变的家庭中也显示出显著的变异性. 这凸显了对患有HHT的儿童进行个性化查和管理的需要.
科学领域:
- 遗传学 是一个遗传学.
- 血管生物学 血管生物学
- 儿科医学 儿科医学
背景情况:
- 遗传性出血性长管病 (HHT) 是一种自体主导的血管疾病.
- 它的特征是动脉静脉形形 (AVMs), telangiectasias 和表.
- 关于家庭内表型差异的数据有限,特别是儿童与父母之间的差异.
研究的目的:
- 调查儿科HHT患者及其家长的基因型-表型相关性.
- 评估HHT表现的家族内变异性.
- 为了比较受影响的儿童和他们的父母之间的临床特征.
主要方法:
- 一个单一中心对基因确诊的HHT儿科患者及其父母进行了回顾性研究.
- 数据收集包括从2022年5月到2023年5月的临床,实验室和成像发现.
- 动脉动脉瘤的比较,表,telangiectasias,贫血,以及儿童和家长之间的干预.
主要成果:
- 包括11名儿童和9名成年人患有ENG或ACVRL1变种.
- 在这两组中都普遍存在表;AVMs和telangiectasias在成年人中更为常见.
- 具有相同突变的父子对的表型一致性很低 (33.3%),显示出显著的家族内变异性.
结论:
- HHT表现出可变的表达性,即使在具有相同致病变体的亲属中也是如此.
- 亲子HHT表型几乎没有重叠,这强调了需要个性化儿科护理的需要.
- 早期遗传检测和量身定制的后续对管理HHT并发症至关重要.
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