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Published on: August 1, 2020
Sphingolipid-mediated calcium signaling and its pathological effects
Ilari Pulli1, Muhammad Yasir Asghar2, Kati Kemppainen1
1Cell Biology, Faculty of Science and Engineering, Åbo Akademi University, Artillerigatan 6, 00250 Turku, Finland.
Sphingomyelin metabolites, like sphingosine and sphingosine 1-phosphate (S1P), significantly impact cellular signaling by modulating calcium ion fluxes. This review explores these lipid-calcium interactions and their physiological and pathological implications.
Area of Science:
- Cellular Biology
- Lipid Metabolism
- Signal Transduction
Background:
- Sphingomyelin metabolites and calcium ion fluxes are crucial for cellular signaling.
- Lipid metabolites frequently influence calcium signaling pathways.
- Calcium is a highly versatile intracellular signaling molecule with broad physiological effects.
Purpose of the Study:
- To review the mechanisms by which sphingomyelin metabolites, particularly sphingosine and sphingosine 1-phosphate (S1P), modulate calcium fluxes.
- To discuss the impact of these modulations on cellular function.
- To examine the pathological consequences of sphingolipid-induced calcium flux alterations.
Main Methods:
- Literature review of existing studies on sphingolipids and calcium signaling.
- Analysis of molecular mechanisms linking sphingolipids to calcium flux regulation.
- Synthesis of information on physiological and pathological roles.
Main Results:
- Sphingolipids, including sphingosine and S1P, directly and indirectly modulate calcium ion fluxes.
- These modulations affect diverse cellular processes regulated by calcium.
- Dysregulation of sphingolipid metabolism can lead to pathological conditions via altered calcium signaling.
Conclusions:
- Sphingolipids play a significant role in cellular physiology through their intricate regulation of calcium signaling.
- Understanding these lipid-calcium interactions is vital for comprehending normal cell function and disease pathogenesis.
- Targeting sphingolipid metabolism may offer therapeutic strategies for calcium-related disorders.
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