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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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Related Experiment Video

Updated: Jun 26, 2026

Lung microRNA Profiling Across the Estrous Cycle in Ozone-exposed Mice
07:07

Lung microRNA Profiling Across the Estrous Cycle in Ozone-exposed Mice

Published on: January 7, 2019

Quality assessment and data analysis for microRNA expression arrays.

D Sarkar1, R Parkin, S Wyman

  • 1Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, Seattle, WA 98109, USA. dsarkar@fhcrc.org

Nucleic Acids Research
|December 24, 2008
PubMed
Summary
This summary is machine-generated.

This study introduces novel microRNA reagents and analytical methods for reliable microarray data. These tools enhance quality control and normalization, improving the accuracy of microRNA expression profiling experiments.

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Related Experiment Videos

Last Updated: Jun 26, 2026

Lung microRNA Profiling Across the Estrous Cycle in Ozone-exposed Mice
07:07

Lung microRNA Profiling Across the Estrous Cycle in Ozone-exposed Mice

Published on: January 7, 2019

Performing Custom MicroRNA Microarray Experiments
07:04

Performing Custom MicroRNA Microarray Experiments

Published on: October 28, 2011

Profiling of Pre-micro RNAs and microRNAs using Quantitative Real-time PCR (qPCR) Arrays
10:58

Profiling of Pre-micro RNAs and microRNAs using Quantitative Real-time PCR (qPCR) Arrays

Published on: December 3, 2010

Area of Science:

  • Molecular Biology
  • Genomics
  • Bioinformatics

Background:

  • MicroRNAs regulate gene expression and are crucial in physiological and pathological processes.
  • Microarray technology is increasingly utilized for global microRNA expression profiling.
  • Reliable data analysis is essential for accurate microRNA microarray results.

Purpose of the Study:

  • To develop and validate reagents and analytical methods for robust microRNA microarray experiments.
  • To address data analytic challenges in microRNA expression profiling.
  • To improve the reliability and reproducibility of microRNA microarray data.

Main Methods:

  • Introduction of a universal reference microRNA reagent set.
  • Utilization of nonhuman spiked-in synthetic microRNA controls for quality control.
  • Development of diagnostic plots for assessing normalization methods.

Main Results:

  • Demonstrated the utility of reagents and controls for quality control and between-array normalization.
  • Presented diagnostic plots to evaluate and compare normalization strategies.
  • Established a framework for enhancing the reliability of microRNA microarray data.

Conclusions:

  • The presented reagents and analytical approach significantly improve microRNA microarray experiment reliability.
  • Standardized quality control and normalization are vital for accurate microRNA expression analysis.
  • This work provides valuable tools for the microRNA research community.