刊发!IF 9.08!

近日,由步锐科技与国家感染性疾病临床医学研究中心/深圳市第三人民医院邓国防主任课题组合作研究的呼气识别潜在结核感染(LTBI)的最新研究成果《Detecting Latent Tuberculosis Infection with a Breath Test Using Mass Spectrometer: A Pilot Cross-Sectional Study》在线发表于《BioScience Trends》(IF= 9.08,JCR 1区)!

据WHO权威统计,LTBI影响了全球约四分之一的人口 [1],其中5%~10%将会发展为活动性结核病(ATB) [2]。目前诊断LTBI尚没有金标准,现有免疫诊断试验检测不能有效区分ATB和LTBI。先前多项与健康受试者对照研究证明,呼气挥发性有机物(VOCs)检测对识别ATB非常有效 [3-8],但尚未针对LTBI进行过相关研究。这项概念验证研究(中国临床试验注册号:ChiCTR2200058346)首次通过高压光子电离飞行时间质谱(HPPI-TOFMS)呼气检测,探索了一种新颖、快速、简单的LTBI检测方法。LTBI受试者病例组(n=185)和对照组(n=250)入选,后者包括了ATB亚组(n=121)和健康对照(HC)亚组(n=129)。LTBI检测模型表明,通过HPPI-TOFMS进行呼气VOCs检测可以将LTBI与对照区分开来,其敏感性为80.0%(95% CI : 67.6%-92.4%),特异性为80.8%(95% CI : 71.8%-89.9%)。

图1 LTBI呼气识别模型ROC曲线,以及前十项潜在呼气标记物离子热力图和箱线图。ATB:活动性肺结核,LTBI:潜在结核感染,HC:健康对照

论文链接(开放获取):论文

参考文献:
1. WHO. Tuberculosis Fact Sheet. 2022 Oct. 27, 2022 Nov. 4, 2022]; Available from: https://www.who.int/en/news-room/fact-sheets/detail/tuberculosis.
2. Hartman-Adams, H., K. Clark, and G. Juckett, Update on latent tuberculosis infection. Am Fam Physician, 2014. 89(11): p. 889-96.
3. Phillips, M., et al., Volatile biomarkers of pulmonary tuberculosis in the breath. Tuberculosis, 2007. 87(1): p. 44-52.
4. Syhre, M., et al., The scent of Mycobacterium tuberculosis-part II breath. Tuberculosis (Edinb), 2009. 89(4): p. 263-6.
5. Phillips, M., et al., Breath biomarkers of active pulmonary tuberculosis. Tuberculosis, 2010. 90(2): p. 145-51.
6. Phillips, M., et al., Point-of-care breath test for biomarkers of active pulmonary tuberculosis. Tuberculosis (Edinb), 2012. 92(4): p. 314-20.
7. Beccaria, M., et al., Preliminary investigation of human exhaled breath for tuberculosis diagnosis by multidimensional gas chromatography - Time of flight mass spectrometry and machine learning. J Chromatogr B, 2018. 1074-1075: p. 46-50.
8. Beccaria, M., et al., Exhaled human breath analysis in active pulmonary tuberculosis diagnostics by comprehensive gas chromatography-mass spectrometry and chemometric techniques. J Breath Res, 2018. 13(1): p. 016005.