Suppression of anchorage-independent growth after gene transfection
1993
Suppression of Anchorage-Independent Growth After Gene Transfection
Sample size: 100000
publication
Evidence: moderate
Author Information
Author(s): D.J. Winterbourne, S. Thomas, J. Hermon-Taylor
Primary Institution: Department of Surgery, St George's Hospital Medical School
Hypothesis
Can gene transfection suppress anchorage-independent growth in CHO-KI cells?
Conclusion
The study found that gene transfection can lead to the suppression of anchorage-independent growth in certain cell lines.
Supporting Evidence
- Cells that regained anchorage-dependent growth were isolated from a library of CHO-KI cells.
- Anchorage-dependent growth of the isolated clone 1042AC was stable when cultured as adherent monolayers.
- Revertants appeared rapidly when cultured in suspension, indicating instability of the phenotype.
Takeaway
Scientists found a way to stop some cells from growing without needing to stick to a surface, which is important for understanding cancer.
Methodology
The study involved transfecting CHO-KI cells with human genomic DNA and selecting for anchorage-dependent growth.
Limitations
The exact human gene responsible for the suppression of growth was not identified.
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