The Medical-Surgical Journal · Jun 20, 2026
EXPLORING THE EFFECTS OF PEPSIN ON SALIVARY PEPTIDOME: INSIGHTS FROM A PROOF-OF-CONCEPT PROTEOMIC PROFILING STUDY USING MALDI-ToF MASS SPECTROMETRY
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Pepsin, a component of gastric refluxate, has been investigated as a potential salivary biomarker for gastro-esophageal reflux disease (GERD), although its diagnostic accuracy remains uncertain. This proof-of-concept study aimed to characterize the effects of pepsin on the human salivary peptidome using matrix-assisted laser desorption/ionization-time of flight (MALDI-ToF) mass spectrometry.…

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