Cross-Regulation of the Cellular Redox System, Oxygen, and Sphingolipid Signalling
Andrea Huwiler1, Karl-Friedrich Beck2, Josef Pfeilschifter2
1Institute of Pharmacology, University of Bern, Inselspital INO-F, CH-3010 Bern, Switzerland.
Metabolites
|March 29, 2023
Summary
Cellular redox mediators like reactive oxygen species and gasotransmitters interact with sphingolipids. This cross-talk critically impacts cell fate and organ function, offering therapeutic potential.
Area of Science:
- Biochemistry and Molecular Biology
- Cellular Signaling
- Physiology
Background:
- Redox-active molecules regulate cellular functions.
- Reactive oxygen species (ROS), nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S) are key redox mediators.
- Sphingolipids are bioactive signaling molecules.
Purpose of the Study:
- To review the interplay between redox mediators and sphingolipid signaling.
- To explore the impact of this cross-talk on cellular fate and organ function.
- To highlight therapeutic strategies targeting this pathway.
Main Methods:
- Literature review and synthesis of existing research.
- Analysis of molecular mechanisms underlying redox-sphingolipid interactions.
- Discussion of pathophysiological implications.
Main Results:
- Redox mediators and sphingolipids exhibit cross-regulatory effects.
- This interaction influences cell viability, proliferation, migration, and gene expression.
- Dysregulation contributes to various pathophysiological conditions.
Conclusions:
- The cross-talk between redox mediators and sphingolipids is fundamental to cellular dynamics.
- Understanding this interplay is crucial for developing novel therapeutic interventions.
- Targeting this pathway holds promise for treating diseases.
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