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Updated: Aug 12, 2026
13:06
Analysis of Single-cell Gene Transcription by RNA Fluorescent In Situ Hybridization (FISH)
Published on: October 7, 2012
Fluorescence in situ hybridization analysis of transcript dynamics in cells
M P van de Corput1, F G Grosveld
1Department of Cell Biology and Genetics, Faculty of Medicine and Health Sciences, Erasmus University, Dr. Molewaterplein 50, Rotterdam, 3015 GE, The Netherlands.
Methods (San Diego, Calif.)
|September 18, 2001
Summary
Fluorescence in situ hybridization (FISH) detects DNA and mRNA in cells. This study used RNA-FISH to analyze human beta-globin gene expression patterns in erythroid cells during development.
Area of Science:
- Molecular Biology
- Cell Biology
- Genetics
Background:
- In situ hybridization techniques have evolved significantly since 1969.
- Fluorescence in situ hybridization (FISH) is a sensitive method for detecting nucleic acids in cells.
- FISH allows for the discrimination of multiple targets within a single sample.
Purpose of the Study:
- To investigate the transcription mechanisms and expression patterns of human globin genes in erythroid cells.
- To correlate globin gene expression with cellular parameters like cell type, cell cycle, and differentiation stage.
- To visualize spatial and temporal relationships of nuclear processes using combined FISH and immunofluorescence.
Main Methods:
- RNA-FISH was employed to detect primary transcripts of human embryonic, fetal, and adult globins.
- Simultaneous detection of incorporated BrdUTPs, proteins (cyclins A/E, PCNA, histones), and globin transcripts/locus integration sites was performed.
- Combined FISH and immunofluorescence methods were utilized for multi-parameter nuclear analysis.
Main Results:
- Primary transcripts of human embryonic, fetal, and adult globins were detected in erythroid cells.
- Variegated expression patterns and competitive transcription mechanisms of the human beta-globin locus were studied.
- Spatial and temporal correlations between gene expression and cellular states (cell cycle, differentiation) were established.
Conclusions:
- RNA-FISH is effective for studying gene expression dynamics in specific cell types.
- Combined FISH and immunofluorescence provide a powerful tool for dissecting complex nuclear organization and function.
- This approach enhances understanding of gene regulation during cellular development and differentiation.
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