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Published on: August 15, 2019
Monoglycerides induce apoptosis in human leukemic cells while sparing normal peripheral blood mononuclear cells
Fabianne Philippoussis1, Chantal Arguin, Véronique Mateo
1PROCREA BioSciences, Division of Research and Development, Montréal, QC, Canada.
Abstract:
A major drawback of the current antineoplastic treatments is their lack of specificity toward cancer cells, because they are most often cytotoxic to normal cells, thus creating related side effects. Hence, the identification of new apoptosis-inducing agents, specifically targeting malignant cells while sparing their normal counterparts, is of crucial interest. We show here that monoglycerides, a family of lipids consisting of a single fatty acid attached to a glycerol backbone, induce cell death in several human leukemic cell lines. Importantly, treatment of primary leukemic cells, obtained from B-cell chronic lymphocytic leukemia patients, resulted in rapid apoptosis. In striking contrast, resting or activated human peripheral blood mononuclear cells from healthy individuals were resistant to the same treatment. Therefore, these compounds could represent potential antileukemic drugs or could allow for the design of novel therapeutic agents applied to leukemia.
Insights
Monoglycerides induce apoptosis in human leukemia cells, sparing healthy cells. These lipids show promise as targeted antileukemic drugs, offering a potential new therapy for leukemia.
Area of Science:
- Biochemistry
- Oncology
- Pharmacology
Background:
- Current antineoplastic treatments lack specificity, harming normal cells and causing side effects.
- There is a critical need for novel apoptosis-inducing agents that selectively target cancer cells.
Purpose of the Study:
- To investigate the potential of monoglycerides as targeted antileukemic agents.
- To evaluate the efficacy of monoglycerides in inducing apoptosis in leukemic cells while sparing normal cells.
Main Methods:
- Treatment of human leukemic cell lines with monoglycerides.
- Treatment of primary B-cell chronic lymphocytic leukemia cells with monoglycerides.
- Treatment of healthy peripheral blood mononuclear cells with monoglycerides.
Main Results:
- Monoglycerides induced cell death and rapid apoptosis in multiple human leukemic cell lines.
- Primary leukemic cells from patients exhibited rapid apoptosis upon monoglyceride treatment.
- Resting and activated peripheral blood mononuclear cells from healthy individuals were resistant to monoglycerides.
Conclusions:
- Monoglycerides demonstrate selective apoptosis-inducing activity against leukemia cells.
- These lipids represent potential therapeutic agents for leukemia or scaffolds for novel drug design.
