Targeting sphingosine-1-phosphate signaling for cancer therapy.

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Targeting sphingosine-1-phosphate signaling for cancer therapy.

Sci China Life Sci. 2017 May 27;:

Authors: Xie Z, Liu H, Geng M

Abstract
Sphingosine-1-phosphate (S1P) is a potent pleotropic bioactive lipid mediator involved in immune cell trafficking, cell survival, cell proliferation, cell migration, angiogenesis and many other cellular processes. S1P either activates S1P receptors (S1PR1-5) through "inside-out signaling" or acts directly on intracellular targets to regulate various cellular processes. In the past two decades, much progress has been made in exploring S1P signaling and its pathogenic roles in diseases as well as in developing modulators of S1P signaling, including S1P agonists, S1P antagonists and sphingosine kinase (SphK) inhibitors. Ceramide and S1P have been defined as reciprocal regulators of cell fate, and S1P signaling has been shown to be crucial for the pathogenesis of various diseases, including autoimmune diseases, inflammation and cancer; therefore, targeting S1P signaling may curtail the process of pathogenesis and serve as a potential therapeutic target for the treatment of these diseases. In this review, we describe recent advances in our understanding of S1P signaling in cancer development (particularly in inflammation- associated cancer) as well as in innate and adaptive immunity, and we also discuss modulators of S1P signaling in cancer treatment.

PMID: 28623546 [PubMed - as supplied by publisher]

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