Related Experiment Video
Updated: Jul 12, 2026

Focus Formation: A Cell-based Assay to Determine the Oncogenic Potential of a Gene
Published on: December 31, 2014
Oncogenes come of age
1Program in Cancer Biology and Genetics, Sloan-Kettering Institute, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA.
Abstract:
Mutations of proto-oncogenes are common events in the pathogenesis of cancers, as shown in a wide range of studies during the 30 years since the discovery of these genes. The benefits of novel therapies that target the products of mutant alleles in human cancers, and the demonstrated dependence of cancers in mouse models on continued expression of initiating oncogenes, are especially promising signs that revolutionary improvements in cancer care are possible. Full realization of the promise of targeted therapies, however, will require better definitions of the genotypes of human cancers, new approaches to interrupt the biochemical consequences of oncogenic mutations, and a greater understanding of drug resistance and tumor progression. In this paper, we summarize recent efforts toward these goals in our laboratory and others.
Insights
Proto-oncogene mutations drive cancer development. Targeting these mutations with novel therapies offers promise for cancer treatment, but requires better understanding of cancer genotypes and drug resistance.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Proto-oncogene mutations are key drivers in cancer pathogenesis.
- Targeted therapies offer potential for revolutionary cancer treatment improvements.
- Cancers depend on the continued expression of initiating oncogenes.
Purpose of the Study:
- To review recent advancements in understanding oncogenic mutations and targeted cancer therapies.
- To highlight the need for improved cancer genotype definitions.
- To explore new strategies for interrupting oncogenic mutation consequences and overcoming drug resistance.
Main Methods:
- Review of existing literature on proto-oncogene mutations and cancer therapy.
- Summary of laboratory research efforts in the field.
- Analysis of studies on drug resistance and tumor progression.
Main Results:
- Significant progress has been made in understanding the role of proto-oncogenes in cancer.
- Novel therapies targeting mutant oncogenes show promise.
- Challenges remain in defining cancer genotypes and understanding resistance mechanisms.
Conclusions:
- Targeted therapies hold great promise for cancer care.
- Further research is needed to define cancer genotypes, develop new therapeutic approaches, and understand drug resistance.
- Continued investigation is crucial for realizing the full potential of targeted cancer therapies.
Related Concept Videos
Mitogens and the Cell Cycle
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...
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...
Mitogens and the Cell Cycle
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...
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...

