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Effects of sphingolipid metabolism disorders on endothelial cells

Yali Lai1, Yue Tian1, Xintong You1

  • 1School of Traditional Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China.

Lipids in Health and Disease
|October 13, 2022
PubMed

Insights

Sphingolipid metabolism critically impacts endothelial cell function in cardiovascular diseases. Dysregulation of sphingolipids like ceramide (Cer) and sphingosine-1-phosphate (S1P) offers insights into disease mechanisms and potential therapeutic targets.

Area of Science:

  • Cardiovascular Biology
  • Cellular Metabolism
  • Endothelial Function

Background:

  • Endothelial cell dysfunction is a hallmark of numerous cardiovascular disorders, including atherosclerosis, hypertension, and diabetes.
  • Sphingolipid metabolism plays a crucial role in maintaining endothelial cell homeostasis and function.
  • Aberrant sphingolipid metabolism is increasingly recognized as a contributor to cardiovascular pathology.

Purpose of the Study:

  • To review the multifaceted roles of sphingolipid metabolites and enzymes in endothelial cell function.
  • To elucidate the impact of dysregulated sphingolipid metabolism on cardiovascular health.
  • To identify potential therapeutic targets within sphingolipid pathways for cardiovascular diseases.

Main Methods:

  • Literature review synthesizing current research on sphingolipids and endothelial cells.
  • Analysis of the effects of key sphingolipid metabolites (e.g., sphingosine, ceramide, S1P) and enzymes (e.g., SPHK, Cerk, S1PL).
  • Examination of studies linking sphingolipid metabolism alterations to cardiovascular disease pathogenesis.

Main Results:

  • Sphingolipids, including ceramide (Cer) and sphingosine-1-phosphate (S1P), exert diverse effects, both protective and damaging, on endothelial cells.
  • Enzymes involved in sphingolipid metabolism, such as sphingosine kinase (SPHK) and sphingosine-1-phosphate lyase (S1PL), are critical regulators of endothelial function.
  • Disruptions in sphingolipid metabolism are directly implicated in the development and progression of cardiovascular diseases.

Conclusions:

  • Sphingolipid metabolism is a vital determinant of endothelial cell health and cardiovascular disease progression.
  • Understanding the complex interplay between sphingolipids and endothelial cells is essential for developing novel therapeutic strategies.
  • Targeting specific enzymes or metabolites in the sphingolipid pathway holds promise for treating cardiovascular disorders.

Keywords:
Cardiovascular diseaseCeramideCeramide kinaseEndothelial cellsSerineSphingolipid metabolismSphingosine kinaseSphingosine-1-phosphateSphingosine-1-phosphate lyase

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