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Two-Dimensional Gel Electrophoresis Combined with Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry Analysis of Eye Lens to Identify Biomarkers of Age-Related Cataract

  • Paul C. Guest
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Part of the Methods in Molecular Biology book series (MIMB, volume 2138)

Abstract

This chapter describes the application of two-dimensional gel electrophoresis (2DGE) combined with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) in the analysis of rat eye lens proteins. The main purpose was to identify proteins that may serve as potential biomarkers in age-related cataract formation. This includes the family of proteins known as the crystallins. Structural proteins and enzymes involved antioxidant activities. In addition, we also analyzed lenses from other species to illustrate the potential of using this technique in clinical and preclinical biomarker studies.

Key words

Aging Diabetes Eye lens Proteomics 2D gel electrophoresis Crystallin dimer Cytoskeletal protein Metabolic enzyme Redox enzyme 

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© Springer Science+Business Media, LLC, part of Springer Nature 2020

Authors and Affiliations

  • Paul C. Guest
    • 1
  1. 1.Laboratory of Neuroproteomics, Department of Biochemistry and Tissue Biology, Institute of BiologyUniversity of Campinas (UNICAMP)CampinasBrazil

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