Journal
CANCER LETTERS
Volume 332, Issue 2, Pages 286-294Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2011.07.010
Keywords
Ceramide; Sphingomyelinases; Cell death; Cancer
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Sphingolipids, in particular ceramide, have been described as important components of cellular signalling pathways. Ceramide can be produced via multiple mechanisms including through the hydrolysis of sphingomyelin by acid and neutral sphingomyelinase or by a de novo synthesis pathway. Recent studies have identified sphingomyelinases and ceramide synthases as important targets for gamma-irradiation and chemotherapeutic drugs. Likewise, common cancer treatment modalities, such as gamma-irradiation and many chemotherapeutic agents, induce cell death via the generation of ceramide. This suggests that the manipulation of ceramide production and metabolism could offer promising means for the enhancement of anti-tumor therapies. The focus of this mini-review will be to discuss contemporary evidence suggesting that ceramide forming pathways and ceramide itself are important targets for the treatment of tumors and the development of novel tumor treatment strategies. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
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