Journal
SCANDINAVIAN JOURNAL OF MEDICINE & SCIENCE IN SPORTS
Volume 31, Issue 5, Pages 945-955Publisher
WILEY
DOI: 10.1111/sms.13907
Keywords
dhS1P; dihydrosphingosine‐ 1‐ phosphate; exercise; red blood cells; skeletal muscle; sphinganine‐ 1‐ phosphate; sphingoid base‐ 1‐ phosphate; training
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Funding
- Narodowe Centrum Nauki [2018/31/B/NZ7/02543] Funding Source: Medline
- Uniwersytet Medyczny w Bialymstoku [SUB/1/DN/20/001/1118] Funding Source: Medline
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Sphingosine-1-phosphate (S1P) is a bioactive sphingolipid found in all eukaryotic cells, functioning as an intracellular second messenger and being enriched in plasma and blood cells. It regulates various cellular processes and plays a crucial role in muscle physiology and pathophysiology. Studies have shown that exercise can modulate S1P metabolism in both muscle and blood.
Sphingosine-1-phosphate (S1P) is a bioactive sphingolipid found in all eukaryotic cells. Although it may function as an intracellular second messenger, most of its effects are induced extracellularly via activation of a family of five specific membrane receptors. Sphingosine-1-phosphate is enriched in plasma, where it is transported by high-density lipoprotein and albumin, as well as in erythrocytes and platelets which store and release large amounts of this sphingolipid. Sphingosine-1-phosphate regulates a host of cellular processes such as growth, proliferation, differentiation, migration, and apoptosis suppression. It was also shown to play an important role in skeletal muscle physiology and pathophysiology. In recent years, S1P metabolism in both muscle and blood was found to be modulated by exercise. In this review, we summarize the current knowledge on the effect of acute exercise and training on S1P metabolism, highlighting the role of this sphingolipid in skeletal muscle adaptation to physical effort.
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