与艾滋病毒相关的阻塞性肺病中的肺蛋白
Sarah Samorodnitsky1, Danielle Weise2, Eric F Lock1
1Biostatistics Division, School of Public Health, University of Minnesota, Minneapolis, MN, USA.
研究人员在艾滋病毒感染者中确定了与阻塞性肺病相关的蛋白质. 细胞粘附分子可能在与艾滋病毒相关的肺功能障碍中发挥关键作用,提供潜在的新生物标志物和治疗点.
科学领域:
- 肺部病理学 肺部病理学
- 免疫学 免疫学 免疫学
- 蛋白质组学是指蛋白质组学.
背景情况:
- 阻塞性肺病 (OLD) 是越来越多地关注艾滋病毒感染者 (PLWH).
- 目前缺乏用于识别患有艾滋病毒相关OldD风险的个体的生物标志物.
- 与吸烟无关的与艾滋病毒相关的OLD的潜在生物机制尚未完全理解.
研究的目的:
- 在艾滋病毒感染者 (PLWH) 中识别阻塞性肺病 (OLD) 的潜在生物标志物.
- 阐明与艾滋病毒相关的OldD相关的生物途径.
- 为了利用一个全面的蛋白质学方法来发现生物标志物.
主要方法:
- 使用双重质量标记和质谱法 (MS) 对支气管支气管洗液进行蛋白质组分析.
- 结合了非向性MS与基于SomaScan的向性aptamer方法.
- 统计分析包括蛋白质-肺功能关联的皮尔森相关性和途径过度代表性分析.
主要成果:
- 超过3800种蛋白质被MS识别出来.
- 在调整吸烟状况后,254种蛋白质与肺功能 (FEV1 % pred) 呈现相关性.
- 途径分析强调了细胞粘附分子在PLWH中与OLD显著相关.
结论:
- 在PLWH肺部的蛋白质表达与肺功能减弱有关.
- 细胞粘附分子与艾滋病毒相关的阻塞性肺病的发病有关.
- 这些发现表明细胞粘附分子作为生物标志物和治疗点的潜在作用.
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