核酸结合寡聚化域2突变对惠普尔病的敏感性
Katrina A Williamson1, Mark Yun2, Matthew J Koster1
1Division of Rheumatology, Mayo Clinic, Rochester, MN, USA.
Rheumatology (Oxford, England)
|July 19, 2023
概括
含有蛋白质2 (NOD2) 基因的核酸结合寡合化领域的突变与罕见的细菌感染惠普尔病 (WD) 有关. 这一发现可能解释了宿主对Tropheryma whipplei (TW) 感染的易感性.
科学领域:
- 免疫学 免疫学 免疫学
- 传染性疾病 传染性疾病
- 遗传学 遗传学 是一个
背景情况:
- 惠普尔病 (WD) 是由Tropheryma whipplei (TW) 感染引起的,影响巨细胞,主要是白人男性.
- 影响宿主易受WD感染的遗传因素尚未得到充分了解.
- 含有蛋白2 (NOD2) 的核酸结合寡合化域是一种与生俱来的免疫传感器,参与感染防御和炎症调节,与自身炎症状况相关的突变.
研究的目的:
- 研究NOD2突变与惠普尔病之间的关联.
- 探索NOD2在宿主易受Tropheryma whipplei感染中的作用.
主要方法:
- 一个多中心的,对三个怀普尔病患者的回顾性研究.
- 使用周期性发烧综合征的基因组进行分子测试.
- 重复内镜检查,并进行十二指肠组织活检以进行诊断.
主要成果:
- 这三名患者都是白人男性,具有自身炎症表型和确认的NOD2突变.
- 怀普尔病最终通过十二指肠活检证实,尽管最初的负面评估.
- 患者通过抗生素 (塞夫特里亚克森,多克西环素/HCQ) 控制了症状,有些病例复发.
结论:
- NOD2突变首次与惠普尔病相关.
- 单细胞/巨细胞中NOD2功能受损可能会增加对Tropheryma whipplei感染的易感性.
- 脊髓炎被认为是巨细胞疾病,NOD2在它的发病过程中发挥着作用.
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