期刊
JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY
卷 32, 期 1, 页码 9-31出版社
AMER SOC NEPHROLOGY
DOI: 10.1681/ASN.2020050697
关键词
kidney disease; sphingosine-1-phosphate; ceramide; sphingolipid metabolism; sphingolipids
资金
- National Center for Advancing Translational Sciences (Miami Clinical Translational Science Institute) [UL1TR002736]
- National Institutes of Health [R01DK117599, R01DK104753, R01CA227493, U54DK083912, UM1DK100846, U01DK116101]
- Boehringer Ingelheim grant [GR014854]
- National Institute on Minority Health and Health Disparities grant [UL1TR000460]
Recent studies have shown that sphingolipids and sphingolipid metabolites play important roles in the pathogenesis and progression of kidney diseases by influencing the intracellular sphingolipid composition of renal cells and the integrity of the glomerular filtration barrier. The sphingolipid metabolite S1P plays a crucial role in renal cells, and aberrant S1P signaling contributes to the pathogenesis and progression of kidney diseases.
In the past few decades, sphingolipids and sphingolipid metabolites have gained attention because of their essential role in the pathogenesis and progression of kidney diseases. Studies in models of experimental and clinical nephropathies have described accumulation of sphingolipids and sphingolipid metabolites, and it has become clear that the intracellular sphingolipid composition of renal cells is an important determinant of renal function. Proper function of the glomerular filtration barrier depends heavily on the integrity of lipid rafts, which include sphingolipids as key components. In addition to contributing to the structural integrity of membranes, sphingolipid metabolites, such as sphingosine-1-phosphate (S1P), play important roles as second messengers regulating biologic processes, such as cell growth, differentiation, migration, and apoptosis. This review will focus on the role of S1P in renal cells and how aberrant extracellular and intracellular S1P signaling contributes to the pathogenesis and progression of kidney diseases.
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