ω-3 Fatty Acids Reduce Chemotherapy-Induced Hematological Toxicity by Bone Marrow Stimulation in Mice
Abstract
BACKGROUND: ω-3 Fatty acids exert several benefits during chemotherapy, such as preventing intestinal mucosal damage and improving response to chemotherapy. However, little is known about the effect of ω-3 fatty acids on chemotherapy-induced hematological toxicities.
METHODS: Mice that had consumed either an ω-3-rich or an ω-3-poor diet for 2 weeks were intraperitoneally administered cisplatin. The resultant changes in blood cell count, bone marrow cell count, and cytokine levels in bone marrow supernatant were analyzed. The effect of ω-3 fatty acids on human peripheral blood mononuclear cells (PBMCs) exposed to cisplatin was also examined.
RESULTS: Although peripheral blood cell counts decreased after cisplatin treatment in both groups of mice, the decrease in white blood cell count was significantly lower in mice that consumed the ω-3-rich diet. The decrease in bone marrow cells after cisplatin treatment was also reduced in mice that consumed the ω-3-rich diet. Levels of stem cell factor (SCF) and fibroblast growth factor 1 (FGF-1) were significantly higher in bone marrow supernatants from mice that consumed the ω-3-rich diet. The rate of apoptosis in PBMCs (after exposure to cisplatin) cultured in medium containing ω-3 fatty acids was significantly lower than in PBMCs cultured in control medium.
CONCLUSION: ω-3-Rich diets reduced chemotherapy-induced leukopenia in mice. This may be the result of increased numbers of bone marrow cells due to higher levels of SCF and FGF-1…
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