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Related Concept Videos

DNA Microarrays02:34

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...

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Protein microarrays and novel detection platforms.

Harini Chandra1, Panga Jaipal Reddy, Sanjeeva Srivastava

  • 1Wadhwani Research Center for Biosciences and Bioengineering, Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai 400076, India.

Expert Review of Proteomics
|February 19, 2011
PubMed
Summary

Protein microarrays offer a powerful, gel-free method for studying complex proteomes, enabling simultaneous analysis of thousands of proteins. Advancements in both label-based and label-free detection systems enhance their application in proteomics research.

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Area of Science:

  • Proteomics
  • Biotechnology
  • Analytical Chemistry

Background:

  • Proteomics has rapidly advanced, necessitating efficient methods for studying complex protein samples.
  • Protein microarrays provide a gel-free, high-throughput platform for simultaneous analysis of thousands of proteins.

Purpose of the Study:

  • To outline current protein microarray techniques for analytical and function-based proteomics.
  • To analyze key technological advances and applications of various detection systems used with protein microarrays.

Main Methods:

  • Review of diverse protein microarray types (capture, reverse-phase, tissue, lectin, cell-free expression).
  • Analysis of label-based detection methods (fluorescence, chemiluminescence, nanoparticles, bead-based).
  • Exploration of label-free detection methods (SPR, carbon nanotubes, microcantilevers).

Main Results:

  • Protein microarrays are versatile tools with applications in biomarker discovery, protein interactions, and vaccine development.
  • Both label-based and label-free detection technologies have significantly advanced for enhanced sensitivity and specificity.
  • Emerging technologies address the challenge of detecting low-abundance proteins in complex biological mixtures.

Conclusions:

  • Protein microarrays are crucial for modern proteomics, offering rapid and efficient analysis.
  • Technological innovations in detection systems continue to expand the capabilities and applications of protein microarrays.
  • This review provides a comprehensive overview of protein microarray techniques and their impact on proteomics research.