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Updated: Jul 6, 2026
08:26
Saturated Fatty Acids Induce Ceramide-associated Macrophage Cell Death
Published on: October 31, 2017
Ceramide-induced cell death in malignant cells
Alexander Carpinteiro1, Claudia Dumitru, Marcus Schenck
1Department of Molecular Biology, University of Duisburg-Essen, Essen, Germany.
Cancer Letters
|March 21, 2008
Summary
Acid sphingomyelinase generates ceramide, a molecule that triggers apoptosis in tumor cells. This review focuses on acid sphingomyelinase
Area of Science:
- Biochemistry
- Cell Biology
- Oncology
Background:
- Ceramide is a lipid molecule known to induce apoptosis (programmed cell death) in various cell types, including cancer cells.
- Ceramide can be synthesized through a de novo pathway or released by the action of sphingomyelinases, enzymes classified by their optimal pH activity (acid, neutral, alkaline).
- Numerous stimuli, including growth factors, radiation, and chemotherapeutic agents, can trigger ceramide release and subsequent apoptosis.
Purpose of the Study:
- To review the role of acid sphingomyelinase (aSMase) in the context of malignant tumors.
- To explore the biological actions of ceramide and its involvement in anti-cancer treatment modalities.
- To highlight the importance of aSMase in cancer therapy, supported by genetic models.
Main Methods:
- Literature review focusing on the function of acid sphingomyelinase in apoptosis.
- Discussion of unifying concepts in ceramide's biological actions.
- Analysis of ceramide's role in anti-tumor treatments like gamma-irradiation and chemotherapy.
Main Results:
- Acid sphingomyelinase plays a significant role in mediating ceramide-induced apoptosis, particularly in cancer cells.
- Ceramide's pro-apoptotic function is well-documented and can be harnessed by various anti-cancer therapies.
- Genetic models provide strong evidence for the involvement of aSMase in tumor cell death.
Conclusions:
- Acid sphingomyelinase is a key enzyme in the ceramide pathway, crucial for triggering apoptosis in malignant cells.
- Understanding ceramide's mechanisms of action is vital for developing and optimizing cancer treatments.
- Targeting acid sphingomyelinase or modulating ceramide levels presents a promising strategy in oncology.
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