Tumor suppressive functions of ceramide: Evidence and mechanisms

Sehamuddin Galadari, Anees Rahman, Siraj Pallichankandy, Faisal Thayyullathil

Research output: Contribution to journalReview article

Abstract

Studies over the past two decades have identified ceramide as a multifunctional central molecule in the sphingolipid biosynthetic pathway. Given its diverse tumor suppressive activities, molecular understanding of ceramide action will produce fundamental insights into processes that limit tumorigenesis and may identify key molecular targets for therapeutic intervention. Ceramide can be activated by a diverse array of stresses such as heat shock, genotoxic damage, oxidative stress and anticancer drugs. Ceramide triggers a variety of tumor suppressive and anti-proliferative cellular programs such as apoptosis, autophagy, senescence, and necroptosis by activating or repressing key effector molecules. Defects in ceramide generation and metabolism in cancer contribute to tumor cell survival and resistance to chemotherapy. The potent and versatile anticancer activity profile of ceramide has motivated drug development efforts to (re-)activate ceramide in established tumors. This review focuses on our current understanding of the tumor suppressive functions of ceramide and highlights the potential downstream targets of ceramide which are involved in its tumor suppressive action.

Original languageEnglish (US)
Pages (from-to)689-711
Number of pages23
JournalApoptosis
Volume20
Issue number5
DOIs
StatePublished - Mar 30 2015

Fingerprint

Ceramides
Tumors
Neoplasms
Sphingolipids
Molecules
Oxidative stress
Chemotherapy
Biosynthetic Pathways
Autophagy
Metabolism
Pharmaceutical Preparations
Shock
Cell Survival
Carcinogenesis
Oxidative Stress
Hot Temperature
Cells
Apoptosis
Drug Therapy
Defects

Keywords

  • Apoptosis
  • Autophagy
  • Ceramide
  • Molecular targets
  • Senescence
  • Tumor suppression

ASJC Scopus subject areas

  • Pharmacology
  • Pharmaceutical Science
  • Clinical Biochemistry
  • Cell Biology
  • Biochemistry, medical
  • Cancer Research

Cite this

Tumor suppressive functions of ceramide : Evidence and mechanisms. / Galadari, Sehamuddin; Rahman, Anees; Pallichankandy, Siraj; Thayyullathil, Faisal.

In: Apoptosis, Vol. 20, No. 5, 30.03.2015, p. 689-711.

Research output: Contribution to journalReview article

Galadari, S, Rahman, A, Pallichankandy, S & Thayyullathil, F 2015, 'Tumor suppressive functions of ceramide: Evidence and mechanisms', Apoptosis, vol. 20, no. 5, pp. 689-711. https://doi.org/10.1007/s10495-015-1109-1
Galadari, Sehamuddin ; Rahman, Anees ; Pallichankandy, Siraj ; Thayyullathil, Faisal. / Tumor suppressive functions of ceramide : Evidence and mechanisms. In: Apoptosis. 2015 ; Vol. 20, No. 5. pp. 689-711.
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