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Lack of anti-inflammatory effect of coenzyme Q10 supplementation in the liver of rodents after lipopolysaccharide challenge  Audrey M. Neyrinck, Emilie.

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Presentation on theme: "Lack of anti-inflammatory effect of coenzyme Q10 supplementation in the liver of rodents after lipopolysaccharide challenge  Audrey M. Neyrinck, Emilie."— Presentation transcript:

1 Lack of anti-inflammatory effect of coenzyme Q10 supplementation in the liver of rodents after lipopolysaccharide challenge  Audrey M. Neyrinck, Emilie Catry, Florence M. Sohet, Patrice D. Cani, Barbara D. Pachikian, Laure B. Bindels, Nathalie M. Delzenne  Clinical Nutrition Experimental  Volume 1, Pages (September 2015) DOI: /j.yclnex Copyright © 2015 The Authors Terms and Conditions

2 Fig. 1 Effect of LPS and Qx on TNFα released by PCLS (after 2 h – A- and 20 h – B) and TNFα mRNA levels of PCLS (after 2 h – C- and 20 h – D). PCLS were incubated in the presence or absence of 100 μM Qx as well as in the presence or absence of 10 μg/ml LPS for 2 h or 20 h. Medium were as following: control medium (CT), medium supplemented with Qx (Qx), medium supplemented with LPS (CT-LPS) or medium supplemented with LPS and Qx (Qx-LPS). Data are mean ± SEM (n ≥ 4). Data with different superscript letters are significantly different p < 0.05, according to the post hoc ANOVA statistical analysis (One-way ANOVA). Qx, reduced form of coenzyme Q10; LPS, lipopolysaccharide; PCLS, precision-cut liver slices; TNFα, tumor necrosis factor-α. Clinical Nutrition Experimental 2015 1, 10-18DOI: ( /j.yclnex ) Copyright © 2015 The Authors Terms and Conditions

3 Fig. 2 Effect of LPS and Qx on nitrite released by PCLS (after 2 h – A- and 20 h – B) and iNOS mRNA levels of PCLS (after 2 h –C- and 20 h – D). PCLS were incubated in the presence or absence of 100 μM Qx as well as in the presence or absence of 10 μg/ml LPS for 2 h or 20 h. Medium were as following: control medium (CT), medium supplemented with Qx (Qx), medium supplemented with LPS (CT-LPS) or medium supplemented with LPS and Qx (Qx-LPS). Data are mean ± SEM (n ≥ 4). Data with different superscript letters are significantly different p < 0.05, according to the post hoc ANOVA statistical analysis (One-way ANOVA). Qx, reduced form of coenzyme Q10; LPS, lipopolysaccharide; PCLS, precision-cut liver slices; iNOS, inducible NO synthase. Clinical Nutrition Experimental 2015 1, 10-18DOI: ( /j.yclnex ) Copyright © 2015 The Authors Terms and Conditions

4 Fig. 3 Effect of LPS and Qx on PGE2 released by PCLS (after 2 h – A- and 20 h – B) and COX-2 mRNA levels of PCLS (after 2 h –C- and 20 h – D). PCLS were incubated in the presence or absence of 100 μM Qx as well as in the presence or absence of 10 μg/ml LPS for 2 h or 20 h. Medium were as following: control medium (CT), medium supplemented with Qx (Qx), medium supplemented with LPS (CT-LPS) or medium supplemented with LPS and Qx (Qx-LPS). Data are mean ± SEM (n ≥ 4). Data with different superscript letters are significantly different p < 0.05, according to the post hoc ANOVA statistical analysis (One-way ANOVA). Qx, reduced form of coenzyme Q10; LPS, lipopolysaccharide; PCLS, precision-cut liver slices; PGE2, prostaglandin E−2, COX-2, cyclooxygenase-2. Clinical Nutrition Experimental 2015 1, 10-18DOI: ( /j.yclnex ) Copyright © 2015 The Authors Terms and Conditions

5 Fig. 4 Effect of 2-weeks Qx supplementation in the diet (0.4% or 1% Qx) on markers of inflammation in the liver tissue in mice 1 h after LPS administration. (A) TNFα mRNA expression in the liver, (B) iNOS mRNA expression in the liver, (C) COX-2 mRNA expression in the liver and (D) MCP-1 mRNA expression in the liver. The groups of mice are the following: CT: mice were fed with a control diet (CE-2) and injected with saline; CT-LPS: mice were fed with a control diet (CE-2) and injected with LPS (0.1 mg/kg BW); Qx 0.4%-LPS: mice were fed with a control diet (CE-2) supplemented with 0.4% Qx and injected with LPS (0.1 mg/kg BW); Qx 1%-LPS: mice were fed with a control diet (CE-2) supplemented with 1% Qx and injected with LPS (0.1 mg/kg BW). Data are mean ± SEM (n = 8). Data with different superscript letters are significantly different p < 0.05, according to the post hoc ANOVA statistical analysis. Qx, reduced form of coenzyme Q10; LPS, lipopolysaccharide; TNFα, tumor necrosis factor-α; iNOS, inducible NO synthase; COX-2, cyclooxygenase-2; MCP-1, monocyte chemotactic protein-1. Clinical Nutrition Experimental 2015 1, 10-18DOI: ( /j.yclnex ) Copyright © 2015 The Authors Terms and Conditions


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