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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...
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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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Polymer Microarrays for High Throughput Discovery of Biomaterials
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Published on: January 25, 2012

The application of the chemical array for biological study.

Isao Miyazaki1, Siro Simizu, Hiroyuki Osada

  • 1Chemical Biology Department, RIKEN, Saitama, Japan.

Methods in Molecular Biology (Clifton, N.J.)
|September 22, 2010
PubMed
Summary

Researchers developed a new chemical array method to find small molecules that bind to human proteins. This efficient approach, using cell lysates and merged display analysis, identified novel inhibitors for carbonic anhydrase II.

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Area of Science:

  • Chemical biology
  • Drug discovery
  • Molecular interactions

Background:

  • Identifying specific interactions between small molecules and human proteins is crucial for chemical biology and drug development.
  • Small molecule-protein interactions serve as tools to investigate protein functions and cellular processes.

Purpose of the Study:

  • To develop an efficient method for identifying novel binding ligands of human proteins using a chemical array approach.
  • To establish a systematic platform for large-scale ligand screening and explore fragment-based approaches.

Main Methods:

  • Utilized cell lysates expressing proteins fused with red fluorescent protein (RFP).
  • Employed high-throughput screening with merged display analysis to eliminate false positives.
  • Established the Gene Library of Osada Laboratory at RIKEN for chemical array analysis (GLORIA) for large-scale screening.

Main Results:

  • Successfully detected novel inhibitors of carbonic anhydrase II.
  • Demonstrated the method's utility for ligand screening, structure-affinity relationship (SAR) studies, and fragment-based approaches.
  • Presented initial studies of fragment-based binding assays using the chemical array format.

Conclusions:

  • The developed chemical array method is efficient for discovering novel protein-binding ligands.
  • The platform facilitates large-scale screening, SAR analysis, and fragment-based drug discovery.
  • This approach offers a valuable tool for advancing chemical biology and drug development research.