系统性炎症和无情的反应,以一个炎症的挑战在成年人患有严重抑郁症:一个随机对照试验
Jonathan Savitz1, Leandra K Figueroa-Hall1, T Kent Teague1
1Laureate Institute for Brain Research, Tulsa, OK (Savitz, Figueroa-Hall, Zheng, Kuplicki, Burrows, El-Sabbagh, Ewers, Guinjoan, Khalsa, Paulus); Oxley College of Health and Natural Sciences, University of Tulsa, Tulsa, OK (Savitz, Guinjoan, Khalsa, Paulus); Department of Surgery (Teague, Guinjoan) and Department of Psychiatry (Guinjoan), University of Oklahoma School of Community Medicine, Tulsa, OK; Department of Biochemistry and Microbiology, Oklahoma State University Center for Health Sciences, Tulsa, OK (Teague); Division of Health Services and Outcomes Research, Children's Mercy Research Institute, Kansas City, MO (Yeh); School of Medicine, University of Missouri-Kansas City, Kansas City, MO (Yeh); University of Oklahoma School of Medicine, Oklahoma City (Thomas); Department of Neurology, University of Minnesota School of Medicine, Minneapolis (Cha); Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine, UCLA, Los Angeles (Khalsa); Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience at UCLA, and Department of Psychiatry and Biobehavioral Sciences at David Geffen School of Medicine, UCLA, Los Angeles (Irwin).
患有高C反应蛋白 (CRP) 的重度抑郁症患者在脂多糖 (LPS) 挑战后表现出增加的无情感和IL-6. 这表明系统性炎症将抑郁的个体引入炎症刺激,影响无症症状.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 免疫学 免疫学 免疫学
背景情况:
- 大型抑郁症 (MDD) 与炎症有关.
- 无,MDD的核心症状,可能受到炎症过程的影响.
- C-反应蛋白 (CRP) 是系统性炎症的标志物.
研究的目的:
- 为了调查脂多糖 (LPS) 诱导的炎症是否对MDD患者具有高与低基线CRP水平的无意识症症状产生差异性影响.
- 探索LPS对炎症标志物和抑郁症状的影响.
主要方法:
- 68名MDD参与者在双盲设计中随机分配给LPS或安慰剂.
- 参与者根据基线CRP分层 (高≥3 mg/L,低≤1.5 mg/L).
- 测量了无情症 (SHAPS),抑郁症 (MADRS) 和细胞因子 (IL-6,IL-10,TNF).
主要成果:
- 与CRP高的LPS组相比,与CRP低的LPS组相比,SHAPS和IL-6的增加显著增加.
- 两组之间没有观察到TNF或IL-10的显著差异.
- 二次分析表明,在高CRP组中,MADRS得分在24小时内下降更大.
结论:
- 患有全身炎症 (高CRP) 的MDD患者在生物学上是对炎症刺激的预备.
- 这种炎症敏感性显著影响了抑郁症患者无情症的症状.
- 研究结果强调了炎症在调解抑郁症状,特别是无情感症状中的作用.
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