实时呼吸分析,以实现健康的人类呼吸形象
Zachary Joseph Sasiene1, Erick Scott LeBrun1, Eric Schaller2
1Biochemistry and Biotechnology Group, Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM 87545, United States of America.
Journal of breath research
|January 10, 2024
概括
研究人员使用质谱学创建了一个健康的人类呼吸形状,以克服研究变异性. 这种概况有助于根据年龄和性别等因素区分呼吸差异,提高诊断准确度.
科学领域:
- 分析化学 分析化学
- 生物标志物发现发现
- 人体生理学 人体生理学
背景情况:
- 人类呼吸的直接分析提供了临床诊断潜力.
- 样本采集的变化,人类表型和并发性疾病阻碍了研究的可复制性.
- 为了进行比较分析,需要一个标准化的健康人体呼吸形状.
研究的目的:
- 为了建立一个平均健康的人类呼吸特征,进行比较研究.
- 利用质谱和生物信息学来建模呼吸组成.
- 为了区分健康志愿者呼吸的日间和日内变化.
主要方法:
- 与高分辨率质谱学相结合的直接二次电喷离子化.
- 开发一个内部的生物信息管道用于数据分析.
- 统计分析包括PERMANOVA,ANOSIM和最佳捆绑.
主要成果:
- 呼吸样本显示出基于一天中的时间,参与者ID,日期,性别和年龄 (p<0.001) 的显著差异.
- 在31名参与者中,有227个呼吸特征被独特地识别出来,其中28名是参与者.
- 确定了特定于性别 (4名女性,1名男性) 和日间时间 (37名) 的相关信号.
- 呼吸代谢物概况随着年龄的增长而变化,在32岁左右达到峰值.
结论:
- 从48个过的特征创建了一个全面的健康人类呼吸概况.
- 建立的个人资料可以作为未来呼吸分析研究的参考.
- 这种方法提高了呼吸学研究的可靠性和可比性.
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