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Ceramide-1-phosphate in phagocytosis and calcium homeostasis

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Sphingolipids are well established sources of important signaling molecules. For example, ceramide (Cer) has been described as a potent inhibitor of cell growth and inducer of apoptosis. In contrast, ceramide-1-phosphate (C1P) has been reported to have mitogenic properties and to inhibit apoptosis. Our understanding of the distinct biological roles of C1P in the regulation of DNA synthesis, inflammation, membrane fusion and intracellular Ca2+ increase has rapidly expanded. C1P is a bioactive sphingolipid formed by the phosphorylation of ceramide catalyzed by ceramide kinase (CERK). This chapter specifically focuses on the role of C1P in phagocytosis and Ca2+ homeostasis. Studies of the metabolism of C1P during phagocytosis, may lead to a better understanding of its role in signaling. Potentially, the inhibition of CERK and C1P formation may be a therapeutic target for inflammation. © 2010 Landes Bioscience and Springer Science+Business Media.




Hinkovska-Galcheva, V., & Shayman, J. A. (2010). Ceramide-1-phosphate in phagocytosis and calcium homeostasis. Advances in Experimental Medicine and Biology, 688, 131–140.

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