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在风湿性关节炎相关的间歇性肺部疾病中,外围生物标志物签名.

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周围血液生物标志物可以帮助在患有类风湿性关节炎 (RA) 的患者中识别类风湿性关节炎相关的间歇性肺病 (RA-ILD). 这些生物标志物改善了超越当前临床和遗传因素的风险分层.

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科学领域:

  • 类风湿病学 类风湿病学
  • 肺部病理学 肺部病理学
  • 生物标志物发现发现

背景情况:

  • 类风湿性关节炎相关的间歇性肺病 (RA-ILD) 是类风湿性关节炎 (RA) 的严重并发症,导致显著的发病率和死亡率.
  • 目前用于识别RA-ILD高风险患者的方法不足,需要改进风险分层工具.

研究的目的:

  • 在RA患者中识别独特的外周血液生物标记特征,可以增强RA-ILD的歧视.
  • 评估这些生物标志物签名在改善RA-ILD风险分层的实用性,超出已确定的临床和遗传因素.

主要方法:

  • 一项涉及来自退伍军人事务风湿关节炎登记处的2,001名RA患者的横截面研究.
  • 在血清/血中测量自身抗体,促炎性细胞因子/化学因子,阿迪波金,警示因子和矩阵金属蛋白酶.
  • 主要组件分析来导出生物标记符号,然后进行后勤回归来评估包括临床,遗传 (MUC5B rs35705950) 和生物标记数据在内的预测模型.

主要成果:

  • 在2,001名RA参与者中,6.4%患有RA-ILD. 经过对临床因素进行调整后,从生物标志物签名中获得的八个主要成分 (PC) 与RA-ILD有显著的关联.
  • 这些PC包括先天性/过敏反应,自身抗体,阿迪波金,警示素,组织重塑和中性粒细胞化学反应.
  • 结合PCs (AUC 0.739) 和PCs与MUC5B (AUC 0.751) 的模型在预测RA-ILD方面表现出优异的性能,与单独的临床风险因素 (AUC 0.630) 相比.

结论:

  • 周围血液生物标志物标志明显与RA-ILD有关.
  • 这些生物标志物显著改善了RA-ILD的识别和风险分层,超出了现有的临床风险因素.
  • 这些发现表明,各种生物学途径有助于RA-ILD.的致病性.