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Cancer-Critical Genes II: Tumor Suppressor Genes

Cancer-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...

Cancer-Critical Genes II: Tumor Suppressor Genes

Cancer-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...

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...

Cancer-Critical Genes I: Proto-oncogenes

Cancer-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...

Cancer-Critical Genes I: Proto-oncogenes

Cancer-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...

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Updated: Jun 4, 2026

Cancer-Associated Fibroblasts from Mouse Mammary Tumors as Tools for Molecular and Computational Studies

Cancer-Associated Fibroblasts from Mouse Mammary Tumors as Tools for Molecular and Computational Studies

Published on: July 3, 2025

[Sarcoma gene signatures].

F Chibon¹, J-M Coindre

¹Department of Pathology, Institut Bergonié, Bordeaux Cédex, Frankreich.

|February 3, 2011

Summary

This summary is machine-generated.

This review highlights key gene signatures for sarcoma diagnosis and prognosis. A 67-gene signature effectively predicts metastasis, surpassing traditional histological grading for sarcoma outcomes.

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Cancer-Associated Fibroblasts from Mouse Mammary Tumors as Tools for Molecular and Computational Studies

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Isolation and Characterization of Tumor-initiating Cells from Sarcoma Patient-derived Xenografts

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Published on: June 13, 2019

Area of Science:

Oncology
Genetics
Molecular Biology

Context:

Sarcomas represent a heterogeneous group of cancers with complex genetic underpinnings.
Accurate diagnosis, prognosis, and prediction of treatment response are critical for effective patient management.
Current diagnostic and prognostic tools, including histological grading, have limitations in predicting sarcoma behavior.

Purpose:

To review and synthesize the current knowledge on gene signatures relevant to sarcoma diagnosis, prognosis, and drug response prediction.
To identify specific genetic alterations and gene expression patterns associated with different sarcoma subtypes.
To evaluate the utility of gene signatures in predicting clinical outcomes, such as metastasis and treatment efficacy.

Summary:

Sarcomas often exhibit specific genetic lesions, including recurrent translocations (10-15%), mutations (GIST, rhabdoid tumors), and gene amplifications (MDM2 in liposarcomas).
A recently identified 67-gene expression signature, linked to chromosome integrity pathways, significantly outperforms histological grading in predicting metastatic potential.
While specific mutations (KIT, PDGFRA in GIST) are validated, broadly applicable predictive gene signatures for drug response remain largely unestablished.

Impact:

Provides a comprehensive overview of genetic biomarkers for sarcomas, aiding in diagnostic refinement and prognostic assessment.
Highlights the potential of a novel 67-gene signature for improving metastasis prediction, potentially guiding clinical decision-making.
Identifies gaps in current knowledge regarding predictive gene signatures for therapeutic response, suggesting future research directions.