Obstructive lung disease biomarker

Abstract

The present invention provides an obstructive lung disease biomarker and a method for using the same. This method for examining obstructive lung disease includes a step (1) of detecting at least one protein selected from the group consisting of a protein group (A), a protein group (B), a protein group (C), and a protein group (D) in a sample collected from a subject, wherein the sample is an extracellular vesicle from exhaled air and / or body fluid on the respiratory surface, or exhaled air and / or body fluid on the respiratory surface.

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