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Downregulating sphingosine kinase-1 for cancer therapy

Olivier Cuvillier1

  • 1Institut de Pharmacologie et de Biologie Structurale, CNRS UMR 5089, 205 route de Narbonne, 31077 Toulouse Cedex 4, France. olivier.cuvillier@ipbs.fr

Expert Opinion on Therapeutic Targets
|July 16, 2008
PubMed
Abstract

Insights

Targeting sphingosine kinase-1 (SK1), an oncogene that promotes cancer cell survival, offers a promising therapeutic strategy. Inhibiting SK1 demonstrates potential for effectively killing cancer cells with a favorable therapeutic index.

Area of Science:

  • Biochemistry
  • Oncology
  • Pharmacology

Background:

  • Sphingolipids, including ceramide and sphingosine 1-phosphate (S1P), regulate cell death and proliferation.
  • Sphingosine kinase-1 (SK1) governs the balance between these sphingolipids, producing pro-survival S1P.
  • SK1 is an oncogene overexpressed in tumors, protecting cancer cells from apoptosis and being downregulated by therapies.

Purpose of the Study:

  • To review recent advancements in targeting sphingosine kinase-1 (SK1) for cancer therapy.
  • To discuss available pharmacological tools for manipulating SK1 activity.

Main Methods:

  • Literature review of studies on sphingosine kinase-1 in cancer.
  • Analysis of pharmacological agents targeting SK1.

Main Results:

  • Strong evidence supports the validity of targeting SK1 to induce cancer cell death.
  • SK1 inhibition presents a potential therapeutic strategy with a favorable therapeutic index.

Conclusions:

  • Strategies inhibiting sphingosine kinase-1 (SK1) are validated for cancer treatment.
  • SK1 inhibition shows promise as a therapeutic approach with a good safety profile.

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