Author:
Jia Zhunan,Patra Abhijeet,Kutty Viknish,Venkatesan Thirumalai
Abstract
Breath analysis is a promising technique for lung cancer screening. Despite the rapid development of breathomics in the last four decades, no consistent, robust, and validated volatile organic compound (VOC) signature for lung cancer has been identified. This review summarizes the identified VOC biomarkers from both exhaled breath analysis and in vitro cultured lung cell lines. Both clinical and in vitro studies have produced inconsistent, and even contradictory, results. Methodological issues that lead to these inconsistencies are reviewed and discussed in detail. Recommendations on addressing specific issues for more accurate biomarker studies have also been made.
Subject
Molecular Biology,Biochemistry,Endocrinology, Diabetes and Metabolism
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