大脑脊髓液mtDNA度在多发性硬化症中增加,并且在通过自身造血干细胞移植干预后正常化
Ivan Pavlovic1, Christina Zjukovskaja1, Faisal Hayat Nazir1
1Neurology, Department of Medical Sciences, Uppsala University, 752 37 Uppsala, Sweden.
Multiple sclerosis and related disorders
|February 11, 2024
概括
脑脊液中的线粒体DNA (mtDNA) 在多发性硬化症 (MS) 患者中升高,在自身造血干细胞移植 (aHSCT) 后降低,这表明它可能跟踪疾病活动.
科学领域:
- 神经免疫学 神经免疫学
- 线粒体医学 线粒体医学
- 生物标志物发现发现
背景情况:
- 线粒体DNA (mtDNA) 作为一种促炎分子和在多发性硬化症 (MS) 中炎症和疾病活动的潜在指标.
- 自主造血干细胞移植 (aHSCT) 是一种有效的MS治疗方法,但其对脑脊液 (CSF) mtDNA水平的影响尚不清楚.
研究的目的:
- 为了确认MS患者中CSFmtDNA度升高.
- 评估aHSCT对CSFmtDNA水平的影响.
主要方法:
- 使用多重滴滴数字PCR (ddPCR) 在182个脊髓样本中量化无细胞mtDNA和核DNA.
- 样本包括48名多发性硬化患者 (aHSCT前后,每年随访) 和32名健康对照.
主要成果:
- 与对照人群相比,MS患者的CSF无细胞mtDNA水平显著更高.
- 升高的mtDNA水平与临床因素相关,包括MRI病变,先前的治疗和最近的复发.
- 一个HSCT干预导致CSFmtDNA水平的正常化.
结论:
- 在MS患者中,CSFmtDNA升高,与疾病活性相关.
- 在aHSCT后mtDNA水平正常化,表明其作为监测MS炎症和治疗反应的生物标志物的潜力.
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