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基于cfDNA的临床算法模型来预测SLE疾病活动.

Fang Wang1,2, Yi-Jing Liu1, Hai-Bing Miao1

  • 1Department of Rheumatology and Immunology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China.

Lupus
|January 6, 2024
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概括

循环无细胞DNA (cfDNA) 水平升高与系统性红斑狼 (SLE) 疾病的活性和严重程度相关. 这种液体活检标志物在治疗SLE患者的临床应用方面表现有前途.

关键词:
循环中的无细胞DNA.生物标志物生物标志物临床算法模型模型疾病活动的疾病活动.系统性红血性狼 (Systemic Lupus Erythematosus) 是一种全身性狼.

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科学领域:

  • 生物标志物 生物标志物
  • 免疫学 免疫学 免疫学
  • 分子生物学分子生物学

背景情况:

  • 循环无细胞DNA (cfDNA) 是一种新的液体活检标志物.
  • 在系统性红斑狼 (SLE) 中观察到cfDNA失调.
  • 需要进一步调查cfDNA和SLE之间的准确关系.

研究的目的:

  • 调查cfDNA度与SLE疾病活动之间的关联.
  • 探索cfDNA作为SLE严重程度的生物标志物的潜力.

主要方法:

  • 分析了88名活跃SLE患者和39名不活跃SLE患者的血cfDNA度,长度和分布.
  • 在cfDNA水平和临床指标之间进行了相关性分析,包括抗体标位和损伤.
  • 开发了一种包含cfDNA的Active Index模型,以评估SLE疾病活性.

主要成果:

  • 活跃的SLE患者的cfDNA度明显高于不活跃的SLE患者.
  • cfDNA度与降低的抗dsDNA抗体标位相关,并与特定的自身抗体相关.
  • 降低cfDNA水平与活跃SLE患者的损伤有关.
  • 活跃指数在区分活跃的SLE方面表现出很高的准确性,并且与SLE疾病活动得分有很强的相关性.

结论:

  • 血cfDNA度与SLE疾病的严重程度密切相关.
  • cfDNA在SLE治疗中具有显著的临床应用潜力.
  • 开发的Active指数显示了评估SLE疾病活动的前景.