Attenuating Effect of Chlorella Supplementation on Oxidative Stress and NFκB Activation in Peritoneal Macrophages and Liver of C57BL/6 Mice Fed on an Atherogenic Diet(Food & Nutrition Science)

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This study was designed to investigate whether chlorella supplementation may ameliorate oxidative stress and nuclear factor kappa B (NFκB) activation in peritoneal macrophages and liver of C57BL/6 mice fed on an atherogenic diet. The animals were maintained on an atherogenic diet (control), or an atherogenic diet supplemented with 3% (w/w) chlorella or 5% (w/w) chlorella for 12 wks. The plasma and hepatic lipid levels were not affected by chlorella supplementation. Hepatic thiobarbituric acid-reactive substances and superoxide anion production in peritoneal macrophages were significantly lower in the 5% chlorella group (p<0.05), but the glutathione level was not altered by chlorella supplementation. The hepatic antioxidative enzyme activities of Cu, Zn-superoxide dismutase and catalase were higher in the mice fed on the 5% chlorella diet (p<0.05). The plasma aspartate aminotransferase activity was lower in the mice fed on the chlorella-containing diets (p<0.05), whereas the alanine aminotrans-ferase activity was not affected by chlorella supplementation. The NFκB nuclear binding activities of peritoneal macrophages and liver were significantly lower in the 5% chlorella groups (p<0.05). These results suggest that chlorella supplementation may attenuate oxidative stress by reducing reactive oxygen production and increasing antioxidative processes, thus suppressing inflammatory mediator activation in peritoneal macrophages and liver.
社団法人日本農芸化学会の論文
2003-10-23

Attenuating Effect of Chlorella Supplementation on Oxidative Stress and NFκB Activation in Peritoneal Macrophages and Liver of C57BL/6 Mice Fed on an Atherogenic Diet(Food & Nutrition Science)

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