Related Experiment Video
Updated: Aug 13, 2026
10:34
Identification of Sleeping Beauty Transposon Insertions in Solid Tumors using Linker-mediated PCR
Published on: February 1, 2013
Identification and validation of tumor suppressor genes
G P Robertson1, H J Huang, W K Cavenee
1Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla 92093-0660, USA. gprobertson@ucsd.edu
Molecular Cell Biology Research Communications : MCBRC
|November 30, 1999
Summary
Identifying cancer suppressor genes lost in tumors is crucial. Future research will combine location and function-based methods to find these vital genes, advancing cancer research.
Area of Science:
- Oncology
- Genetics
- Molecular Biology
Background:
- Cancers frequently involve deletions of genetic material, leading to the loss of critical cellular regulatory genes.
- While some cancer suppressor genes are known, many remain unidentified, hindering our understanding of cancer development.
- Known suppressors regulate cell cycle, growth, DNA repair, differentiation, and signal transduction.
Purpose of the Study:
- To highlight the ongoing challenge and importance of identifying unknown cancer suppressor genes within deleted regions.
- To discuss the limitations of current methods, particularly for non-familial cancers.
- To outline future strategies for gene localization, identification, and validation.
Main Methods:
- Review of established methods for identifying cancer suppressor genes.
- Discussion of genetic linkage mapping for inherited cancer predisposition genes.
- Emphasis on complementary position-oriented and function-driven approaches for future discovery.
Main Results:
- Several classes of cancer suppressor genes have been characterized.
- Meiotic genetic linkage mapping has been successful for inherited cancer genes.
- Limited success has been achieved in identifying genes in non-familial cancers.
Conclusions:
- Identifying unknown cancer suppressor genes is a critical area of cancer research.
- Future discoveries will likely rely on integrated approaches combining genomic location and functional analysis.
- Continued research is essential for localizing, identifying, and validating these genes to combat cancer effectively.
More Related Videos
Related Concept Videos
01:33Cancer-Critical Genes I: Proto-oncogenes
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
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...
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...
01:12Loss of Tumor Suppressor Gene Functions
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
01:05Cancer-Critical Genes II: Tumor Suppressor Genes
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
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...
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...
01:20The Retinoblastoma Gene
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
01:05Cancer-Critical Genes II: Tumor Suppressor Genes
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
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...
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...
01:12Loss of Tumor Suppressor Gene Functions
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...