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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...
Electron Transport Chain: Complex I and II01:46

Electron Transport Chain: Complex I and II

The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
ROS generation is regulated and maintained at moderate levels necessary...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...

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Related Experiment Video

Updated: Jun 17, 2026

Isolation of Proximal Fluids to Investigate the Tumor Microenvironment of Pancreatic Adenocarcinoma
05:44

Isolation of Proximal Fluids to Investigate the Tumor Microenvironment of Pancreatic Adenocarcinoma

Published on: November 5, 2020

Uncoupling protein-2 and cancer.

Gyorgy Baffy1

  • 1VA Boston Healthcare System and Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. gbaffy@partners.org

Mitochondrion
|December 17, 2009
PubMed
Summary

Cancer cells adapt to harsh conditions through metabolic changes. Uncoupling protein-2 (UCP2) in mitochondria may drive this adaptation, promoting cancer robustness and chemoresistance, offering new therapeutic targets.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Oncology

Background:

  • Cancer cells exhibit metabolic reprogramming to survive unfavorable microenvironments.
  • Mitochondria play a crucial role in cancer cell adaptation.
  • Uncoupling protein-2 (UCP2) is implicated in mitochondrial function and cancer progression.

Purpose of the Study:

  • To investigate the role of UCP2 in cancer cell adaptation to stress.
  • To understand how UCP2 affects mitochondrial bioenergetics and redox homeostasis in cancer.
  • To explore UCP2's contribution to cancer robustness and chemoresistance.

Main Methods:

  • Analysis of UCP2 expression in cancer cells under various stress conditions.
  • Mitochondrial function assays (e.g., oxygen consumption, membrane potential).

Related Experiment Videos

Last Updated: Jun 17, 2026

Isolation of Proximal Fluids to Investigate the Tumor Microenvironment of Pancreatic Adenocarcinoma
05:44

Isolation of Proximal Fluids to Investigate the Tumor Microenvironment of Pancreatic Adenocarcinoma

Published on: November 5, 2020

  • Assessment of reactive oxygen species (ROS) production and antioxidant defense mechanisms.
  • Evaluation of UCP2's impact on cell growth, proliferation, apoptosis, and chemoresistance.

    • Main Results:

    • UCP2 influences mitochondrial bioenergetics and redox balance in cancer cells.
    • UCP2 activity modulates pathways involved in macromolecular biosynthesis and antioxidant defense.
    • UCP2 expression correlates with enhanced cancer cell robustness and chemoresistance.

    Conclusions:

    • UCP2 is a key mediator of cancer cell adaptation to microenvironmental stress.
    • Targeting UCP2 may represent a novel strategy to overcome cancer chemoresistance.
    • Further elucidation of UCP2-mediated pathways could lead to new anti-cancer therapies.