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Updated: Jul 10, 2026

Array Comparative Genomic Hybridization (Array CGH) for Detection of Genomic Copy Number Variants
Published on: February 21, 2015
Detection of DNA copy-number alterations in complex genomes using array comparative genomic hybridization.
1Department of Molecular and Human Genetics, Houston, TX, USA.
Array-based comparative genomic hybridization (array CGH) offers powerful genomic insights. This study details an improved array CGH technology and protocols for bacterial artificial chromosome microarrays, successfully detecting DNA copy-number alterations in human and mouse samples.
Area of Science:
- Genomics
- Molecular Biology
Background:
- Array-based comparative genomic hybridization (array CGH) is a key genomic technology in biomedical research.
- Implementing array CGH requires significant technical expertise, despite various available platforms.
Purpose of the Study:
- To describe an improved array CGH technology developed over recent years.
- To present robust protocols for array production and the use of bacterial artificial chromosome CGH microarrays.
Main Methods:
- Development of a robust and easily implemented array production method.
- Creation of specific protocols for utilizing bacterial artificial chromosome CGH microarrays.
Main Results:
- The developed array CGH technology has been successfully implemented.
- The technology effectively detected DNA copy-number alterations in both mouse and human samples.
Conclusions:
- The improved array CGH technology simplifies implementation and enhances reliability.
- This technology provides a valuable tool for detecting genomic copy-number variations in biomedical research.
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