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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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DNA Microarrays: Sample Quality Control, Array Hybridization and Scanning
09:27

DNA Microarrays: Sample Quality Control, Array Hybridization and Scanning

Published on: March 15, 2011

Application of DNA microarray technology to gerontological studies.

Kiyoshi Masuda1, Yuki Kuwano, Kensei Nishida

  • 1Department of Stress Science, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan.

Methods in Molecular Biology (Clifton, N.J.)
|August 10, 2013
PubMed
Summary
This summary is machine-generated.

This study details methods for oligonucleotide and miRNA microarrays, crucial for understanding aging. It also introduces ribonucleoprotein immunoprecipitation followed by microarray analysis (RIP-chip) to identify RNA-binding protein targets.

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Area of Science:

  • Molecular Biology
  • Genomics
  • Aging Research

Background:

  • Gene expression patterns significantly change during aging.
  • DNA microarrays are vital tools for studying aging mechanisms and drug effects in age-related diseases.
  • Technological advancements in DNA microarrays reveal genomic modifications and transcriptional activity.

Purpose of the Study:

  • To provide detailed protocols for handling oligonucleotide and miRNA microarrays.
  • To introduce the ribonucleoprotein immunoprecipitation followed by microarray analysis (RIP-chip) protocol.
  • To identify target messenger RNAs (mRNAs) of age-related RNA-binding proteins.

Main Methods:

  • Step-by-step laboratory methods for oligonucleotide microarray handling.
  • Protocols for miRNA microarray processing.
  • Implementation of ribonucleoprotein immunoprecipitation followed by microarray analysis (RIP-chip).

Main Results:

  • Established detailed procedures for oligonucleotide and miRNA microarray analysis.
  • Successfully applied RIP-chip to identify mRNA targets of RNA-binding proteins.
  • Demonstrated the utility of microarrays in aging research.

Conclusions:

  • The described microarray methods are essential for investigating molecular mechanisms of aging.
  • RIP-chip is an effective technique for uncovering RNA-binding protein interactions in aging.
  • These protocols advance the study of age-related transcriptional changes.