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Related Experiment Video

Updated: May 29, 2026

Sampling Human Indigenous Saliva Peptidome Using a Lollipop-Like Ultrafiltration Probe: Simplify and Enhance Peptide Detection for Clinical Mass Spectrometry

Sampling Human Indigenous Saliva Peptidome Using a Lollipop-Like Ultrafiltration Probe: Simplify and Enhance Peptide Detection for Clinical Mass Spectrometry

Published on: August 7, 2012

The salivary proteome: challenges and perspectives.

Walter L Siqueira¹, Colin Dawes

¹The University of Western Ontario - Department of Biochemistry and Schulich Dentistry, Schulich School of Medicine and Dentistry, London, ON, Canada. walter.siqueira@schulich.uwo.ca

Proteomics. Clinical Applications

|September 30, 2011

Summary

Saliva protein analysis faces challenges due to enzyme activity and variable expression. Understanding these factors is crucial for identifying reliable oral and systemic disease biomarkers.

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Last Updated: May 29, 2026

Sampling Human Indigenous Saliva Peptidome Using a Lollipop-Like Ultrafiltration Probe: Simplify and Enhance Peptide Detection for Clinical Mass Spectrometry

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Published on: August 7, 2012

Multiplexed Fluorescent Microarray for Human Salivary Protein Analysis Using Polymer Microspheres and Fiber-optic Bundles

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Published on: October 10, 2013

Area of Science:

Biochemistry
Proteomics
Oral Biology

Background:

The salivary proteome is complex, with protein levels influenced by various physiological and pathological factors.
Accurate protein identification and quantification in saliva are hindered by enzymatic degradation and differential gland secretion.
Gingival crevicular fluid contributes plasma proteins to saliva, particularly in individuals with oral diseases.

Purpose of the Study:

To highlight the significant challenges in salivary protein identification and quantification.
To emphasize the need to account for factors affecting salivary protein composition.
To guide the selection of robust biomarkers for oral and systemic diseases.

Main Methods:

Overview of salivary proteome.
Discussion of challenges in protein identification and quantitation.
Consideration of factors influencing salivary protein profiles.

Main Results:

Salivary proteins are susceptible to degradation by microbial and host enzymes.
Protein expression varies significantly between salivary glands and is influenced by flow rate.
Plasma protein influx from gingival crevicular fluid impacts the salivary proteome, especially in disease states.

Conclusions:

Precautions against enzymatic modification are essential for accurate salivary proteome analysis.
Variability in salivary protein concentration and composition must be considered for biomarker discovery.
A comprehensive understanding of these factors is critical for identifying reliable disease biomarkers in saliva.