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Related Experiment Videos

Current status and future prospects of array-based comparative genomic hybridisation.

Antoine M Snijders1, Daniel Pinkel, Donna G Albertson

  • 1University of California Comprehensive Cancer Center, USA.

Briefings in Functional Genomics & Proteomics
|July 9, 2004
PubMed
Summary

Microarray comparative genomic hybridization (CGH) precisely detects genomic aberrations, advancing cancer and developmental abnormality research. This review covers array-based CGH approaches and their applications.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Genetics

Background:

  • Chromosomal imbalances, involving gains/losses of genomic material, are common in human cancers and developmental abnormalities.
  • Conventional comparative genomic hybridization (CGH) is a method for mapping DNA copy number changes to chromosomes.

Purpose of the Study:

  • To review various array-based comparative genomic hybridization (CGH) approaches.
  • To present recent applications of microarray CGH in research and clinical settings.

Main Methods:

  • Microarray-based comparative genomic hybridization (CGH) for precise detection and quantification of genomic aberrations.
  • Mapping of genomic aberrations directly onto the human genome sequence.

Main Results:

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  • Microarray CGH offers a powerful tool for detailed analysis of genomic copy number variations.
  • Diverse array-based CGH methodologies have been developed and refined.

Conclusions:

  • Array-based CGH technologies have significantly improved the study of genomic imbalances.
  • Recent advancements show promising applications in both fundamental research and clinical diagnostics.