血清粉样蛋白A作为炎症性肠道疾病的潜在生物标志物,特别是在低C反应蛋白患者中
Marie Stute1, Martin Kreysing1, Markus Zorn2
1Department of Gastroenterology and Hepatology, Heidelberg University, University Hospital, INF 410, 69120 Heidelberg, Germany.
International journal of molecular sciences
|January 23, 2024
概括
血清粉样蛋白A (SAA) 显示为炎症性肠病 (IBD) 活动的生物标志物,与便calprotectin和临床得分相关. SAA可能有助于监测,特别是当C反应蛋白 (CRP) 水平较低时.
科学领域:
- 胃肠病学 胃肠病学
- 临床化学 临床化学
- 免疫学 免疫学 免疫学
背景情况:
- 血清粉样蛋白A (SAA) 是一种急性阶段蛋白质,在炎症期间由肝脏合成.
- 以前的研究表明,SAA可能是炎症性肠病 (IBD) 活动的更敏感的生物标志物,而不是C反应蛋白 (CRP).
研究的目的:
- 评估SAA与IBD患者确定的生物标志物和临床疾病活性之间的相关性.
- 评估SAA作为监测IBD的潜在生物标志物的实用性.
- 为了确定SAA在检测IBD中的活性炎症的诊断性能.
主要方法:
- 追溯单心研究分析了来自265名IBD患者的306个血清样本.
- 测量SAA度并与便calprotectin (FC),CRP,中性细胞与淋巴细胞比率 (NLR),血小板计数和简单临床结肠炎活动指数 (SCCAI) 相关联.
主要成果:
- 在SAA和FC,CRP,NLR,血小板计数和SCCAI之间观察到显著的正相关性.
- 在4.55 mg/L的SAA切割值显示,在IBD中检测活性炎症的灵敏度为57.5%,特异性为69.7%.
- SAA显示出作为IBD监测的额外生物标志物的潜力,特别是在低CRP患者中.
结论:
- SAA是评估IBD活动的有希望的生物标志物.
- 在IBD中,SAA与已建立的炎症标志物和临床疾病指数有很好的相关性.
- 在IBD患者的疾病监测策略中,SAA可以作为一个有价值的工具,特别是当CRP不升高时.
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