现型变异与Jagunal同源1 (JAGN1) 缺陷相关,由c.63G>T变异引起的缺陷
Cristina-Loredana Pantea1,2, Mihaela Bataneant3,4, Cristian G Zimbru5
1Regional Center of Medical Genetics Timis, Clinical Emergency Hospital for Children "Louis Turcanu", Part of ERN-ITHACA, 300011 Timisoara, Romania.
International journal of molecular sciences
|February 27, 2026
概括
原同源1 (JAGN1) 缺陷是严重先天性中性衰竭 (SCN) 的遗传原因,具有广泛的临床特征. 像JAGN1 c.63G>T这样的变种显示出普遍有利的预后,特别是在创始人群中.
科学领域:
- 遗传学 遗传学 是一个
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
背景情况:
- 严重先天性中性缺陷症 (SCN) 是一组影响中性粒细胞生产的遗传疾病.
- 已知SCN的30多种遗传原因,其中Jagunal同源1 (JAGN1) 缺陷占~10%的病例.
- 一种特定的JAGN1变种c.63G>T (p.Glu21Asp) 在SCN患者中很普遍.
研究的目的:
- 描述罗马尼亚患有JAGN1缺乏症患者的临床特征和疾病进展.
- 分析与JAGN1 c.63G>T变种相关的表型.
- 对类似案件的文献数据进行审查和整合.
主要方法:
- 六名罗马尼亚患者的临床特征.
- 对另外9名患有JAGN1缺陷和c.63G>T变异的患者的文献综述.
- 基因型-表型相关性和临床结果的分析.
主要成果:
- 观察到广泛的表型谱,包括中性质衰竭,严重感染,发育迟缓,牙问题和矮身.
- 在平均15年的随访期间,没有报告恶性瘤或白血病.
- 大多数患者 (93%) 对该变体具有同胞性,通常具有血缘背景,这表明在一些人群中存在创始人效应.
结论:
- 由于c.63G>T变体导致的JAGN1缺陷表现出广泛的临床表现.
- 患者,特别是那些可能与创始人效应相关的同卵性变异患者,可能有良好的预后.
- 需要进一步的研究才能充分了解JAGN1缺陷谱和长期结果.
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