在免疫缺陷相关的疫苗衍生的脊髓灰质炎病毒中进行干细胞移植
Heena Ranchod1,2, Wayne Howard1,2, Adele Roux3
1Centre for Vaccines and Immunology, National Institute for Communicable Diseases, Johannesburg, South Africa.
Open forum infectious diseases
|February 8, 2024
概括
严重联合免疫缺陷 (SCID) 患者面临活疫苗的风险. 本案例详细介绍了与疫苗相关的脊髓灰质炎和BCG疾病的成功治疗,强调了中枢神经系统移植后正在进行的脊髓灰质炎病毒演变.
科学领域:
- 免疫学 免疫学 免疫学
- 病毒学 病毒学
- 儿科 儿科 儿科
背景情况:
- 严重的初级免疫缺陷 (PID) 增加了对活体减弱疫苗并发症的易感性.
- 严重综合免疫缺陷 (SCID) 是一种严重的疾病,会影响免疫反应.
- 重组激活基因1 (RAG1) 缺陷是SCID的一个原因.
研究的目的:
- 在患有SCID的婴儿中报告疫苗相关的麻性脊髓灰质炎和Bacille Calmette-Guérin (BCG) 病例.
- 描述免疫受损患者这些感染的治疗方法和结果.
- 为了研究中枢神经系统 (CNS) 中的脊髓灰质炎病毒进化,尽管有抗病毒治疗.
主要方法:
- 一个6个月大的女婴患有同卵性RAG1缺乏症的案例报告.
- 治疗涉及静脉注射免疫球蛋白 (IVIG),口服波卡巴维尔治疗脊髓灰质炎病毒,以及针对BCG疾病的抗菌疗法.
- 在干细胞移植 (SCT) 之前和之后,从脑脊液 (CSF) 和便中检测和测序脊髓灰质炎病毒.
主要成果:
- 患者经历了疫苗相关的麻性小儿麻症和区域BCG疾病.
- 通过IVIG,波卡帕维尔和抗菌菌疗法的成功治疗使得SCT成为可能.
- 在SCT后的CSF中检测到具有13个突变的3型脊髓灰质炎病毒,这表明尽管有pocapavir,中枢神经系统的病毒进化.
- 移植后实现了临床改善和免疫复原,没有进一步检测到脊髓灰质炎病毒.
结论:
- 早期诊断和联合治疗策略对于管理SCID患者的疫苗诱导并发症至关重要.
- 抗病毒治疗可能无法完全从中枢神经系统中根除脊髓灰质炎病毒,从而允许现场病毒进化.
- 成功的SCT可以导致免疫复原和感染的解决,但需要对病毒演变进行长期监测.
关键词:
爱丽丝爱丽丝是什么意思 IRIS是什么意思在RAG RAG的基础上.这里是SCIDID SCID.这就是VAPP.剧烈的松性麻急性麻扩散的BCG已经传播.在 iVDPVV 中,您可以使用 iVDPVV.免疫缺陷是一种免疫缺陷.静脉内注射的免疫球蛋白是一种免疫球蛋白.波卡帕维尔 (Pocapavir) 是一种很少存在的病毒.脊髓灰质炎:脊髓灰质炎是一种疾病.脊髓灰质炎是一种脊髓灰质炎.干细胞移植是干细胞移植.移植 移植 移植 移植 移植 移植与疫苗相关的疫苗.疫苗衍生的脊髓灰质炎病毒.更多相关视频
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