TY -的T1 -减少IDO1依赖色氨酸代谢在老年肺流感JF -欧洲呼吸杂志》乔和J - 10.1183/13993003.00443 -2020欧元SP - 2000443 AU - Cho, Soo Jung盟——香港,Kyung胆小鬼盟,Schenck爱德华AU -李,Stefi AU -哈里斯,丽贝卡AU -杨,Jianjun AU -崔,流感流行仍然是世界范围内发病率和死亡率的主要原因。在本研究中,我们研究了季节性衰老对流感感染时色氨酸代谢的影响。对从危重患者血浆中收集的代谢物进行检测,确定色氨酸代谢是一种用于应对流感的重要代谢途径。利用流感感染的小鼠模型进一步研究这些结果表明,在老年肺中吲哚胺吡咯2,3-双加氧酶(IDO1)依赖的方式下,kynurenine的产生减少,这与炎症反应增加和调节反应减少有关。具体来说,在流感的前7天内,kynurenine途径介导的色氨酸代谢下降,这导致衰老的肺泡巨噬细胞中酮体分解代谢随后增加。用线粒体靶向抗氧化剂mitoquinol治疗老年小鼠,改善线粒体功能,恢复色氨酸代谢。综上所述,我们的数据为为什么老年人更容易患流感提供了额外的证据,并提出了一种可能的治疗方法来改善这一人群的免疫代谢反应。这篇手稿最近已被欧洲呼吸杂志接受出版。它是在我们的生产团队进行编辑和排版之前,以其公认的形式在这里出版的。在这些生产过程完成后,作者已经批准的结果证明,文章将移动到最新一期的ERJ在线。 Please open or download the PDF to view this article.Conflict of interest: Ms. Borgese has nothing to disclose.Conflict of interest: Dr. Cho has nothing to disclose.Conflict of interest: Dr. Hong has nothing to disclose.Conflict of interest: Dr. Schenck has nothing to disclose.Conflict of interest: Dr. Lee has nothing to disclose.Conflict of interest: Dr. Harris has nothing to disclose.Conflict of interest: Dr. Yang has nothing to disclose.Conflict of interest: A. M.K.C. is a cofounder, stock holder and serves on the Scientific Advisory Board for Proterris, which develops therapeutic uses for carbon monoxide. A.M.K.C. also has a use patent on CO.Conflict of interest: Dr. Stout-Delgado has nothing to disclose. ER -