A History of Cancer Research: Oncogenic Transcription Factors

Joseph Lipsick1

  • 1Departments of Pathology, Genetics, and Biology, Stanford University, Stanford, California 94305-5324, USA lipsick@stanford.edu.

Insights

Early cancer research revealed tumor viruses encode nuclear oncoproteins. This history highlights key discoveries like MYC, MYB, FOS, JUN, Rel/NF-κB, and nuclear receptors, offering insights into cancer mechanisms and therapies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Virology

Background:

  • Transcription factors are critical in cancer development.
  • Tumor viruses encode oncoproteins that influence cellular processes.
  • Early research in the 1980s identified viral oncoproteins acting in the nucleus.

Purpose of the Study:

  • To recount the historical discovery of nuclear oncogenes encoded by tumor viruses.
  • To detail the mechanisms and therapeutic potential of these oncoproteins.
  • To provide an overview of seminal discoveries in cancer research history.

Main Methods:

  • Historical review of early cancer research findings.
  • Examination of studies on tumor virus-encoded oncoproteins.
  • Focus on the discovery of specific nuclear oncogenes and receptors.

Main Results:

  • Identification of key nuclear oncogenes: MYC, MYB, FOS, and JUN.
  • Discovery of Rel/NF-κB and nuclear receptors (retinoic acid, thyroid hormone) as oncogenic factors.
  • Elucidation of the mechanisms of action for these viral oncoproteins.

Conclusions:

  • Viral oncoproteins, particularly nuclear ones, are fundamental to cancer research.
  • Understanding these oncogenes has paved the way for potential therapeutic strategies.
  • This historical perspective underscores the importance of foundational discoveries in oncology.

Related Concept Videos

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...
8.8K
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...
7.4K
Transcription Factors02:16

Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
75.8K
Mechanisms of Retrovirus-induced Cancers01:51

Mechanisms of Retrovirus-induced Cancers

Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
5.1K
Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
6.1K
General Transcription Factors01:30

General Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
5.2K