Related Experiment Video
Updated: Aug 7, 2026

A Protocol for Genetic Induction and Visualization of Benign and Invasive Tumors in Cephalic Complexes of Drosophila melanogaster
Published on: September 11, 2013
Learning about cancer genes through invertebrate genetics
F M Hoffmann1, P W Sternberg, I Herskowitz
1McArdle Laboratory for Cancer Research, University of Wisconsin, Madison 53706.
Abstract:
Genetic studies in yeast, nematodes and Drosophila are revealing the signal transduction pathways that regulate differentiation and cell proliferation. Some of the critical molecules involved are homologous to proto-oncogenes and others are likely to be analogous to the products of tumor suppressor genes.
Insights
Genetic studies in model organisms reveal key cell signaling pathways. These pathways involve molecules similar to those found in cancer genes, impacting cell growth and development.
Area of Science:
- Molecular Biology
- Genetics
- Cell Biology
Background:
- Cell differentiation and proliferation are fundamental biological processes.
- Signal transduction pathways control these cellular events.
- Understanding these pathways is crucial for deciphering developmental and disease mechanisms.
Purpose of the Study:
- To identify and characterize signal transduction molecules involved in cell differentiation and proliferation.
- To investigate the evolutionary conservation of these molecules across different species.
- To explore the relationship between these molecules and genes implicated in cancer.
Main Methods:
- Comparative genetic analysis in model organisms (yeast, nematodes, Drosophila).
- Identification of homologous and analogous gene sequences.
- Functional studies of identified signaling molecules.
Main Results:
- Discovery of conserved signal transduction pathways regulating cell fate.
- Identification of molecules homologous to proto-oncogenes.
- Identification of molecules analogous to tumor suppressor gene products.
Conclusions:
- Genetic studies in diverse organisms illuminate conserved cell signaling networks.
- Key regulatory molecules in cell proliferation and differentiation share similarities with cancer-related genes.
- These findings provide insights into the molecular basis of development and oncogenesis.
More Related Videos
Related Concept Videos
In-vitro Mutagenesis
Genetic Screens
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Cancer-Critical Genes I: Proto-oncogenes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
Mouse Models of Cancer Study
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
Cancer-Critical Genes II: Tumor Suppressor Genes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...

