SOCS1 in cancer: An oncogene and a tumor suppressor

Claudia Beaurivage1, Audrey Champagne1, William S Tobelaim1

  • 1Department of Anatomy and Cell Biology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Canada.

Cytokine
|January 27, 2016
PubMed

Insights

Suppressor Of Cytokine Signaling 1 (SOCS1) inhibits inflammation in immune cells but has a dual role in cancer. Emerging evidence suggests SOCS1 can act as both a tumor suppressor and an oncogene depending on the cellular context.

Area of Science:

  • Oncology
  • Immunology
  • Molecular Biology

Background:

  • Suppressor Of Cytokine Signaling 1 (SOCS1) is known for inhibiting inflammation via JAK-STAT pathways in immune cells.
  • Its role as a tumor suppressor is established in many cancers.
  • Emerging research highlights SOCS1's function in non-immune cells, particularly epithelial cells.

Purpose of the Study:

  • To review the mechanisms of SOCS1 as a tumor suppressor.
  • To discuss new evidence of SOCS1 acting as an oncogene.
  • To explore the context-dependent dual role of SOCS1 in cancer.

Main Methods:

  • Literature review of existing studies on SOCS1.
  • Analysis of clinical and experimental data.
  • Synthesis of findings on SOCS1's tumor suppressor and oncogenic activities.

Main Results:

  • SOCS1 functions as a potent inhibitor of cytokine signaling and inflammation.
  • Conflicting data exists regarding SOCS1's role in cancer, suggesting context-dependent activity.
  • Evidence points to SOCS1 acting as both a tumor suppressor and a tumor promoter (oncogene).

Conclusions:

  • SOCS1's function is complex and varies by cell type and cancer context.
  • Understanding SOCS1's dual role is crucial for cancer therapy development.
  • Further research is needed to elucidate SOCS1's oncogenic mechanisms.

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...
10.0K
Cancer-Critical Genes II: Tumor Suppressor Genes01:05

Cancer-Critical Genes II: Tumor Suppressor Genes

3.0K
Loss of Tumor Suppressor Gene Functions01:12

Loss 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...
6.2K
Loss of Tumor Suppressor Gene Functions01:12

Loss of Tumor Suppressor Gene Functions

2.0K
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...
11.9K
Cancer-Critical Genes I: Proto-oncogenes01:33

Cancer-Critical Genes I: Proto-oncogenes

6.1K