期刊
FEBS LETTERS
卷 531, 期 1, 页码 54-57出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0014-5793(02)03480-4
关键词
sphingosine-1-phosphate; EDG-1; sphingosine kinase; cell growth; apoptosis
资金
- NCI NIH HHS [CA61774] Funding Source: Medline
- NIGMS NIH HHS [GM43880] Funding Source: Medline
The sphingolipid metabolite sphingosine-1-phosphate (S1P) is a serum-borne lipid that regulates many vital cellular processes. S1P is the ligand of a family of five specific G protein-coupled receptors that are differentially expressed in different tissues and regulate diverse cellular actions. Much less is known of the intracellular actions of S1P. It has been suggested that S1P may also function as an intracellular second messenger to regulate calcium mobilization, cell growth and suppression of apoptosis in response to a variety of extracellular stimuli. Dissecting the dual actions and identification of intracellular targets of S1P has been challenging, but there is ample evidence to suggest that the balance between S1P and ceramide and/or sphingosine levels in cells is an important determinant of cell fate. (C) 2002 Published by Elsevier Science B.V. on behalf of the Federation of European Biochemical Societies.
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