Recent advances in the immunobiology of ceramide

Saumya Pandey, Richard F. Murphy, Devendra K. Agrawal

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    32 Scopus citations


    Ceramide, a sphingosine-based lipid molecule, has emerged as a key regulator of a wide spectrum of biological processes such as cellular differentiation, proliferation, apoptosis and senescence. Sphingomyelinase-dependent hydrolysis of sphingomyelin and de novo synthesis involving the coordinated action of serinepalmitoyl transferase and ceramide synthase are the two major pathways involved in ceramide synthesis. Clustering of plasma membrane rafts into ceramide-enriched platforms serves as an important transmembrane signaling mechanism for cell surface receptors. Ceramides have been implicated in apoptosis, stress signaling cascades as well as ion channels. There is accumulating evidence that targeted manipulation of ceramide metabolism pathway has immense therapeutic potential and may eventually prove to be a boon in the design of novel strategies and development of innovative treatments for diverse conditions including cardiovascular diseases, cancer and Alzheimer's disease. As yet uncharacterized natural ceramide analogs and novel inhibitors of ceramide metabolism might prove to have potent effects in the drugs. In this review, we discuss significant advances that continue to provide intriguing insights into the complex cellular and molecular mechanisms underlying ceramide-mediated signaling cascades.

    Original languageEnglish
    Pages (from-to)298-309
    Number of pages12
    JournalExperimental and Molecular Pathology
    Issue number3
    StatePublished - Jun 2007

    All Science Journal Classification (ASJC) codes

    • Clinical Biochemistry
    • Molecular Biology
    • Pathology and Forensic Medicine


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