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1篇 您的检索式:作者名="Max Allsworth"
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1Breath Biopsy^(®) to Identify Exhaled Volatile Organic Compounds Biomarkers for Liver Cirrhosis Detection显示文摘Background and Aims:The prevalence of chronic liver dis-ease in adults exceeds 30%in some countries and there is significant interest in developing tests and treatments to help control disease progression and reduce healthcare burden.Breath is a rich sampling matrix that offers non-invasive so-lutions suitable for early-stage detection and disease moni-toring.Having previously investigated targeted analysis of a single biomarker,here we investigated a multiparametric approach to breath testing that would provide more robust and reliable results for clinical use.Methods:To identify can-didate biomarkers we compared 46 breath samples from cir-rhosis patients and 42 from controls.Collection and analysis used Breath Biopsy OMNI™,maximizing signal and contrast to background to provide high confidence biomarker detec-tion based upon gas chromatography mass spectrometry(GC-MS).Blank samples were also analyzed to provide de-tailed information on background volatile organic compounds(VOCs)levels.Results:A set of 29 breath VOCs differed significantly between cirrhosis and controls.A classification model based on these VOCs had an area under the curve(AUC)of 0.95±0.04 in cross-validated test sets.The seven best performing VOCs were sufficient to maximize classifica-tion performance.A subset of 11 VOCs was correlated with blood metrics of liver function(bilirubin,albumin,prothrom-bin time)and separated patients by cirrhosis severity using principal component analysis.Conclusions:A set of seven VOCs consisting of previously reported and novel candidates show promise as a panel for liver disease detection and mon-itoring,showing correlation to disease severity and serum biomarkers at late stage.Giuseppe Ferrandino Giovanna De Palo Antonio Murgia Owen Birch Ahmed Tawfike Rob Smith Irene Debiram-Beecham Olga Gandelman Graham Kibble Anne Marie Lydon Alice Groves Agnieszka Smolinska Max Allsworth Billy Boyle Marc P.van der Schee Michael Allison Rebecca C.Fitzgerald Matthew Hoare Victoria K.Snowdon 2023Journal of Clinical and Translational Hepatology2023,11,3:1
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