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Related Concept Videos

Cancer-Critical Genes II: Tumor Suppressor Genes01:05

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 Genes01:05

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 I: Proto-oncogenes01:33

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-oncogenes01:33

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...
Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...

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Genome-Wide CRISPR Screen for Unveiling Radiosensitive and Radioresistant Genes
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Published on: May 23, 2025

Defining the cancer master switch.

Courtney J Balentine1, David H Berger, Shi-He Liu

  • 1Michael E. DeBakey Veterans Affairs Hospital, Houston, TX, USA.

World Journal of Surgery
|February 3, 2011
PubMed
Summary
This summary is machine-generated.

Identifying cancer master switches requires understanding critical signaling pathways. This review proposes criteria to systematically define and select these crucial targets for effective molecular therapy.

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Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Genetics

Background:

  • Signaling cascades are increasingly understood in tumor development and genetic alterations.
  • Knowledge of tumor-specific pathways informs the design of targeted molecular therapies.
  • Cancer cells exploit signaling pathways for survival, while therapies aim to inhibit these processes.

Purpose of the Study:

  • To define criteria for identifying cancer master switches.
  • To provide a systematic approach for selecting therapeutic targets.
  • To illustrate the application of these criteria with examples.

Main Methods:

  • Literature review of signaling cascades in cancer.
  • Analysis of genetic pathways crucial for tumor growth and survival.
  • Development of a framework for target selection.

Main Results:

  • Not all signaling pathways are equally important for cancer progression.
  • Systematic identification of master switches is necessary for effective therapy.
  • Proposed criteria aid in distinguishing critical targets from less relevant ones.

Conclusions:

  • Defining effective therapeutic targets relies on identifying pathways vital for tumor growth, survival, and metastasis.
  • A systematic approach is essential for selecting cancer master switches.
  • This work offers a framework and examples for defining and applying these critical targets.