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Related Experiment Video

Updated: Apr 30, 2026

Bead Based Multiplex Assay for Analysis of Tear Cytokine Profiles

Bead Based Multiplex Assay for Analysis of Tear Cytokine Profiles

Published on: October 13, 2017

Tear fluid protein biomarkers.

Jingjing You, Mark D Willcox, Michele C Madigan

Advances in Clinical Chemistry

|April 30, 2014

Summary

Tear film proteins can indicate diseases. Proteomics, a powerful technology, identifies these proteins, paving the way for new diagnostic tests for eye and systemic conditions.

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Author Spotlight: Isolating Biomolecules from Mouse Tears — A Methodology for Molecular Analysis and Biomarker Research

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Last Updated: Apr 30, 2026

Bead Based Multiplex Assay for Analysis of Tear Cytokine Profiles

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Published on: October 13, 2017

Phenol Red Thread-based Sampling Procedure for Untargeted Tear Fluid Lipidomics in Biomarker Discovery

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Published on: December 12, 2025

Author Spotlight: Isolating Biomolecules from Mouse Tears — A Methodology for Molecular Analysis and Biomarker Research

Author Spotlight: Isolating Biomolecules from Mouse Tears — A Methodology for Molecular Analysis and Biomarker Research

Published on: July 19, 2024

Area of Science:

Ophthalmology
Proteomics
Biomarker Discovery

Background:

The tear film protects the eye's surface and contains numerous proteins.
Tear protein profiles can change due to local and systemic diseases.
Traditional tear protein analysis methods were limited.

Purpose of the Study:

To discuss tear film structure, function, and collection methods.
To summarize tear protein biomarkers for ocular and systemic diseases identified by proteomics.
To explore modern proteomic techniques and future challenges in tear biomarker research.

Main Methods:

Proteomic techniques, including advances in sample fractionation and mass spectrometry.
Analysis of tear fluid protein composition.
Review of existing literature on tear protein biomarkers.

Main Results:

Proteomics enables the identification of hundreds of tear proteins.
Advances enhance the detection of low-abundance proteins in tear fluid.
Tears show potential as biomarkers for various human diseases.

Conclusions:

Tear proteomics offers a promising avenue for developing clinical diagnostic assays.
Identification of tear protein biomarkers can aid in diagnosing ocular and systemic diseases.
Continued advancements in proteomic techniques are crucial for future research.