塞尔努诺斯缺陷:在5名埃及患者中进一步划分
Rabab El Hawary1, Safa Meshaal1, Sohilla Lotfy2
1Clinical and Chemical Pathology Department, Faculty of Medicine, Cairo University, Cairo, Egypt.
European journal of medical genetics
|September 13, 2023
概括
塞尔努诺斯缺陷是一种罕见的遗传性疾病,呈现出多样化的症状和独特的免疫特征. 识别NHEJ1基因突变有助于诊断这种疾病,特别是在T-B-NK+SCID患者中.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 遗传学是一种遗传学.
- 罕见疾病 罕见疾病
背景情况:
- 塞尔努诺斯缺陷是一种罕见的遗传性疾病,具有多种临床表现,包括免疫缺陷,小头症和生长迟缓.
- 患者往往对电离辐射敏感,造血干细胞过早衰老,以及潜在的骨髓增殖性疾病.
研究的目的:
- 描述来自三大家族的五名患有Cernunnos缺乏症的埃及患者的临床表型,免疫学概况和遗传发现.
- 为了突出与Cernunnos缺乏相关的特征性免疫特征.
主要方法:
- 5名患者的临床表型和免疫学评估.
- 基因分析包括对NHEJ1基因的序列分析,以确定突变.
主要成果:
- 在NHEJ1基因中发现了三种不同的突变:c.532C>T;p.(Arg178Ter) (无稽之谈),c.178-1G>A (内置),和c.233dup;p.(Asn78LysfsTer14) (框架转移).
- 典型的免疫特征包括最近的胸腺移徙和天真T细胞的减少,记忆T细胞的升高,正常至高的IgM,以及IgG和IgA的减少.
结论:
- 塞尔努诺斯缺陷表现出广泛的临床特征.
- 特定免疫特征高度暗示T-B-NK+重症综合免疫缺陷 (SCID) 患者的Cernunnos缺乏症,特别是那些活到老年的人.
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