Related Experiment Videos
FISH in genome research and molecular diagnostics
G J van Ommen1, M H Breuning, A K Raap
1Department of Human Genetics, Leiden University, The Netherlands.
Current Opinion in Genetics & Development
|June 1, 1995
Summary
Fluorescence in situ hybridization (FISH) enables detection of small DNA deletions and visualization of chromosomal changes in tumors. Advancements in ultrasensitive techniques promise to expand FISH applications in genome research and diagnostics.
Area of Science:
- Genomics
- Molecular Diagnostics
- Cytogenetics
Background:
- Fluorescence in situ hybridization (FISH) has revolutionized genome research and molecular diagnostics.
- FISH allows for the detection of minute deletions in DNA.
- It enables visualization of chromosomal abnormalities in cancer cells.
Purpose of the Study:
- To highlight the impact of FISH on genome research and molecular diagnostics.
- To discuss the capabilities of FISH in detecting chromosomal material alterations.
- To explore the future potential of FISH with new detection technologies.
Main Methods:
- Hybridizing fluorescently labeled probes to DNA targets.
- Utilizing naked DNA fiber analysis for deletion detection.
- Employing comparative genome hybridization for tumor cell analysis.
Main Results:
- FISH can detect deletions as small as a few kilobases.
- Comparative genome hybridization visualizes chromosomal gains or losses in tumors.
- New ultrasensitive detection methods are expanding FISH capabilities.
Conclusions:
- FISH is a powerful tool in modern molecular diagnostics and genome research.
- The technique's ability to detect chromosomal aberrations is crucial for cancer research.
- Ongoing development in detection sensitivity will further enhance FISH utility.