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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...
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...
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,...
Ion Channels01:19

Ion Channels

The movement of ions like sodium, potassium, and calcium into and out of the cell is essential to maintain the electrochemical gradient in living cells. The ion channels—a class of membrane transport proteins—help maintain this ionic gradient for the smooth functioning of physiological activities such as maintaining cell size and volume, conducting nerve impulses, and gas and nutrient exchange.
Ion channels are specialized integral membrane proteins on the plasma membrane that allow specific...
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Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...

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Updated: May 14, 2026

Screening Ion Channels in Cancer Cells
06:19

Screening Ion Channels in Cancer Cells

Published on: June 16, 2023

Oncochannels.

Stephan M Huber1

  • 1Department of Radiation Oncology, University of Tübingen, Tübingen, Germany. Stephan.huber@uni-tuebingen.de

Cell Calcium
|January 30, 2013
PubMed
Summary
This summary is machine-generated.

Tumor cells exhibit abnormal ion channel expression, termed "oncochannels," which actively drive cancer development and progression. These channels are crucial for tumor survival, proliferation, and resistance to therapy.

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Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Physiology

Background:

  • Aberrant ion channel expression is a key feature of cancer cells.
  • Changes in the cellular 'channelome' are increasingly recognized as integral to tumorigenesis, not merely a consequence.

Purpose of the Study:

  • To review current knowledge on ion channels involved in cancer, termed 'oncochannels'.
  • To elucidate the crosstalk between oncochannels within tumor cell signaling.
  • To summarize the mechanisms by which oncochannels exert their oncogenic functions.

Main Methods:

  • Literature review of recent research on ion channels in cancer.
  • Analysis of studies investigating the functional role of ion channels in tumor progression.
  • Synthesis of data on oncochannel overexpression and signaling pathways.

Main Results:

  • Ion channels significantly influence tumor cell survival, proliferation, invasion, and therapy resistance.
  • Overexpression of specific ion channels is observed across multiple tumor types, indicating oncogenic potential.
  • Oncochannels engage in complex crosstalk within tumor cell signaling networks.

Conclusions:

  • The tumor cell channelome actively promotes oncogenesis and malignant progression.
  • Targeting oncochannels represents a potential therapeutic strategy in cancer treatment.
  • Understanding oncochannel function is critical for developing novel cancer therapies.