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JOURNAL

Translational Oncogenomics

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Implication of Ceramide, Ceramide 1-Phosphate and Sphingosine 1-Phosphate in Tumorigenesis

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Publication Date: 10 Apr 2008

Journal: Translational Oncogenomics

Citation: Translational Oncogenomics 2008:3 81-98

Abstract

In the last two decades there has been considerable progress in our understanding of the role of sphingolipids in controlling signal transduction processes, particularly in the mechanisms leading to regulation of cell growth and death. Ceramide is a well-characterized sphingolipid metabolite and second messenger that can be produced by cancer cells in response to a variety of stimuli, including therapeutic drugs, leading to cell cycle arrest and apoptosis. Although this is a promising aspect when thinking of treating cancer, it should be borne in mind that ceramide production may not always be a growth inhibitory or pro-apoptotic signal. In fact, ceramide can be readily converted to sphingosine 1-phosphate (S1P) by the concerted actions of ceramidases and sphingosine kinases, or to ceramide 1-phosphate (C1P) by the action of ceramide kinase. In general, S1P and C1P have opposing effects to ceramide, acting as pro-survival or mitogenic signals in most cell types. This review will address our current understanding of the many roles of ceramide, S1P and C1P in the regulation of cell growth and survival with special emphasis to the emerging role of these molecules and their metabolizing enzymes in controlling tumor progression and metastasis.


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As an author of a review published in Translational Oncogenomics, I was impressed by the prompt processing and speed of publication. The entire submission, review and publication process was easy, quick and pleasant. The comments from reviewers and associate editor were high quality, scientifically deep and objective. It was a great pleasure to cooperate with such qualified and friendly team. I highly recommend publication in Libertas Academica journals.
Dr Joseph Zaretsky (Tel Aviv University, Israel)
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