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研究揭示COVID-19患者I型干扰素活性及炎症反应与疾病程度的关联
作者:小柯机器人 发布时间:2020/7/15 17:38:28

法国巴黎大学Benjamin Terrier等研究人员合作揭示COVID-19患者I型干扰素活性及炎症反应与疾病程度的相关性。2020年7月13日,《科学》杂志在线发表了这项成果。

 研究人员对50名患有各种疾病严重程度的COVID-19患者进行了综合免疫分析。在重症和重症患者中研究人员观察到独特的表型,包括高度受损的I型干扰素(IFN)反应(以无IFN-β和低的IFN-α产生和活性为特征),伴有持续的病毒载量以及加重疾病恶化的炎症反应。炎症部分由转录因子NF-κB驱动,其特征是肿瘤坏死因子(TNF)-α和白介素(IL)-6的产生和信号增加。
 
这些数据表明血液中的I型IFN缺乏可能是严重COVID-19的标志,并为联合治疗方法提供了依据。
 
据介绍,2019冠状病毒疾病(COVID-19)的特征在于疾病进展的不同模式,从而表明这其中存在多种宿主免疫反应。
 
附:英文原文

Title: Impaired type I interferon activity and inflammatory responses in severe COVID-19 patients

Author: Jérme Hadjadj, Nader Yatim, Laura Barnabei, Aurélien Corneau, Jeremy Boussier, Nikaa Smith, Hélène Péré, Bruno Charbit, Vincent Bondet, Camille Chenevier-Gobeaux, Paul Breillat, Nicolas Carlier, Rémy Gauzit, Caroline Morbieu, Frédéric Pène, Nathalie Marin, Nicolas Roche, Tali-Anne Szwebel, Sarah H Merkling, Jean-Marc Treluyer, David Veyer, Luc Mouthon, Catherine Blanc, Pierre-Louis Tharaux, Flore Rozenberg, Alain Fischer, Darragh Duffy, Frédéric Rieux-Laucat, Solen Kernéis, Benjamin Terrier

Issue&Volume: 2020/07/13

Abstract: Abstract Coronavirus disease 2019 (COVID-19) is characterized by distinct patterns of disease progression suggesting diverse host immune responses. We performed an integrated immune analysis on a cohort of 50 COVID-19 patients with various disease severity. A unique phenotype was observed in severe and critical patients, consisting of a highly impaired interferon (IFN) type I response (characterized by no IFN-β and low IFN-α production and activity), associated with a persistent blood viral load and an exacerbated inflammatory response. Inflammation was partially driven by the transcriptional factor NF-κB and characterized by increased tumor necrosis factor (TNF)-α and interleukin (IL)-6 production and signaling. These data suggest that type-I IFN deficiency in the blood could be a hallmark of severe COVID-19 and provide a rationale for combined therapeutic approaches.

DOI: 10.1126/science.abc6027

Source: https://science.sciencemag.org/content/early/2020/07/10/science.abc6027

期刊信息
Science:《科学》,创刊于1880年。隶属于美国科学促进会,最新IF:41.037