作为预测COVID-19住院患者死亡的潜在生物标志物,Pentraxin-3 (PTX-3) 是一种潜在的生物标志物
Milena Xavier Silva Barbosa1, Anderson da Costa Armstrong2, Carlos Dornels Freire de Souza2
1Postgraduate Program in Biosciences, Universidade Federal do Vale do São Francisco, Av. José de Sá Maniçoba. sn, Petrolina, Pernambuco, Brazil.
Virology journal
|September 28, 2024
概括
潘特拉辛3 (PTX3) 是预测住院COVID-19患者死亡率的有希望的生物标志物. 入院时较高的PTX3水平表明死亡风险显著增加,超过其他常见标志物.
科学领域:
- 生物化学 生物化学
- 免疫学 免疫学 免疫学
- 临床医学 临床医学
背景情况:
- 潘特拉辛3 (PTX3) 是一种急性阶段蛋白质,参与病原体防御和炎症.
- 升高的PTX3水平与炎症状况和传染病有关,包括COVID-19.
- 目前正在研究PTX3作为一种潜在的诊断和预后生物标志物.
研究的目的:
- 评估Pentraxin 3 (PTX3) 作为预测住院COVID-19患者死亡率的血生物标志物.
- 确定入院时PTX3水平与患者生存结果之间的关联.
- 将PTX3的预测性能与已确定的临床标志物进行比较.
主要方法:
- 分析了2020年7月至2021年8月期间入院的312名COVID-19患者的队列.
- 血PTX3水平使用ELISA在入院后24小时内得到量化.
- 统计分析包括最大选择等级统计,ROC曲线,Kaplan-Meier生存分析和Cox回归.
主要成果:
- 与幸存者 (n=233) 相比,死亡的患者 (n=79) 的入院PTX3水平显著更高 (中位数为52.84与10.79 ng/mL;p < 0.001).
- 与C-反应蛋白 (AUC=0.72) 和D-二次体 (AUC=0.77) 相比,PTX3的预测性能更好 (AUC=0.834).
- 27.3 ng/mL的PTX3截止值确定了存活率较低的患者 (p=0.014),PTX3>27.3 ng/mL是死亡的独立预测因子 (HR=1.79;p=0.027).
结论:
- 原素3 (PTX3) 显示出作为COVID-19患者死亡率预后生物标志物的显著潜力.
- 住院时PTX3水平升高与死亡风险增加有关.
- PTX3为住院COVID-19患者的风险分层和临床管理提供了有价值的工具.
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