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- W2003217605 abstract "Background Dietary fish oil (rich in ω-3 fatty acids: eicosapentaenoic acid and docosahexaenoic acid) suppresses synthesis and activity of proinflammatory cytokines that induce anorexia. We hypothesized that dietary fish oil reverses the feeding pattern of tumor anorexia, increasing food intake and retarding tumor growth. Study design Thirty-two Fischer rats were placed in Automated Eater Meter cages and randomly divided into four groups: tumor bearing (TB) rats eating normal chow diet (TB-Chow); TB rats eating chow diet supplemented with ω-3 fatty acids (TB-ω-3FA); Controls, non-tumor bearing (NTB) rats eating normal chow (NTB-Chow); and NTB rats with ω-3 fatty acid supplementation (NTB-ω-3FA). Doses of 106 methylcholanthrene (MCA) sarcoma cells were subcutaneously injected in TB rats. Daily food intake, meal size (MZ), meal number (MN), body weight, and tumor volume were measured, and rats were euthanized at onset of anorexia. Data were statistically analyzed using analyses of variance (ANOVA) and t-tests. Data are reported as mean ± SE. Results Tumor appeared significantly earlier in TB-Chow than in TB-ω-3FA rats (7.5 ± 0.3 days versus 11.6 ± 0.8 days, p < 0.05). Daily food intake declined significantly in TB-Chow versus TB-ω-3FA rats 18 days after tumor inoculation and, at onset of anorexia, was 9.41 ± 1.77 g/day versus 13.32 ± 0.81 g/day, p < 0.05. Food intake decreased initially by decrease in meal number (at day 15) followed by a decrease in meal size (at day 18). At onset of anorexia, meal size and meal number were significantly decreased in TB-Chow versus TB-ω-3FA rats (0.75 ± 0.067 g/meal versus 1.05 ± 0.08 g/meal, p < 0.05) and (9.5 ± 1.32 versus 12.79 ± 0.93 meals/day, p < 0.05), respectively. Tumor volume was significantly smaller in TB-ω-3FA versus TB-Chow rats (7.6 ± 0.6 cm3 versus 16.5 ± 1.0 cm3, p < 0.05), as was tumor weight (7.5 ± 2.2 g versus 18.1 ± 1.6 g, p < 0.05). Conclusions In TB rats, ω-3FA improved food intake; restored normal eating pattern, delayed onset of anorexia, tumor appearance, and growth; and prevented body weight loss. Supplementation of ω-3 fatty acids has therapeutic potential in cancer anorexia." @default.
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- W2003217605 date "2004-11-01" @default.
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- W2003217605 title "Effects of omega-3 fatty acid supplementation on tumor-bearing rats" @default.
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- W2003217605 doi "https://doi.org/10.1016/j.jamcollsurg.2004.07.014" @default.
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