TRP channels in cell survival and cell death in normal and transformed cells
George Shapovalov1, V'yacheslav Lehen'kyi, Roman Skryma
1INSERM U1003, Equipe Labellisee par la Ligue Nationale Contre le Cancer, Universite de Sciences et Technologies de Lille (USTL), F-59655 Villeneuve d'Ascq, France. george.shapovalov@inserm.fr
Abstract:
TRP channels form a superfamily of channel proteins exhibiting versatile regulatory characteristics with many channels participating in the regulation of Ca(2+) homeostasis and influencing the cell fate. Multitude of evidence is emerging that the colocalization of TRP channels with Ca(2+)-sensing elements of specific regulatory pathways leading to either proliferation or apoptosis is what makes these channels participate in cell fate regulation and, in turn, determines the final effect of Ca(2+) entry via the particular channel. This review focuses on the aspects of TRP channel localization and function that affect the balance between cell survival and death and how various dysregulations of these channels may lead to perturbed balance and onset of cancer.
Insights
Transient Receptor Potential (TRP) channels regulate cell fate by controlling calcium (Ca2+) levels. Their localization and function are crucial for maintaining cell survival or triggering apoptosis, with dysregulation linked to cancer development.
Area of Science:
- Molecular Biology
- Cell Biology
- Biochemistry
Background:
- Transient Receptor Potential (TRP) channels are a diverse protein superfamily involved in cellular signaling.
- These channels play a critical role in regulating calcium (Ca2+) homeostasis.
- TRP channels influence key cellular processes, including cell fate determination.
Purpose of the Study:
- To review the role of TRP channel localization and function in regulating cell survival and death.
- To explore how TRP channel dysregulation contributes to cancer pathogenesis.
- To highlight the connection between Ca2+ signaling via TRP channels and cell fate decisions.
Main Methods:
- Literature review of studies on TRP channel localization and function.
- Analysis of evidence linking TRP channels to Ca2+ homeostasis and cell fate.
- Examination of research on TRP channel dysregulation in cancer.
Main Results:
- TRP channels' colocalization with Ca2+-sensing elements dictates cell fate outcomes (proliferation vs. apoptosis).
- Specific TRP channel activity determines the effect of Ca2+ entry on cell survival.
- Aberrant TRP channel function perturbs the balance between cell survival and death.
Conclusions:
- TRP channels are key regulators of the cell survival-death balance.
- Disruptions in TRP channel activity and localization are implicated in cancer development.
- Understanding TRP channel mechanisms offers potential therapeutic targets for cancer treatment.
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