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Sökning: WFRF:(Mussalo Hanna)

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  • de Mello, Vanessa D. F., et al. (författare)
  • The effect of fatty or lean fish intake on inflammatory gene expression in peripheral blood mononuclear cells of patients with coronary heart disease
  • 2009
  • Ingår i: European Journal of Nutrition. - : Steinkopff-Verlag. - 1436-6207 .- 1436-6215. ; 48:8, s. 447-455
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Little is known about the effect of fish consumption on gene expression of inflammation-related genes in immune cells in coronary heart disease (CHD).AIM OF THE STUDY: We sought to evaluate the effect of a fatty fish (FF) or a lean fish (LF) diet on the modulation of inflammatory and endothelial function-related genes in peripheral blood mononuclear cells (PBMCs) of subjects with CHD, and its association with serum fatty acid (FA) profile and lipid metabolic compounds.METHODS: Data from 27 patients randomized into an 8-week FF (n = 10; mean +/- SD: 4.3 +/- 0.4 portions of fish per week), LF (n = 11; 4.7 +/- 1.1 portions of fish per week), or control diet (n = 6; 0.6 +/- 0.4 portions of fish per week) were analyzed. The mRNA expression was measured using real-time PCR.RESULTS: The effect of the intervention on the mRNA expression of the genes studied did not differ among groups. In the FF group, however, the decrease in arachidonic acid to eicosapentaenoic acid (AA:EPA) ratio in cholesterol ester and phospholipid fractions strongly correlated with the change in IL1B mRNA levels (r (s) = 0.60, P = 0.06 and r (s) = 0.86, P = 0.002, respectively). In the LF group, the decrease in palmitic acid and total saturated FAs in cholesterol esters correlated with the change in intercellular cell adhesion molecule-1 (ICAM1) expression (r (s) = 0.64, P = 0.04 for both). Circulating levels of soluble ICAM-1 decreased only in the LF group (P < 0.05).CONCLUSIONS: The intake of FF or LF diet did not alter the expression of inflammatory and endothelial function-related genes in PBMCs of patients with CHD. However, the decrease in AA:EPA ratio in serum lipids in the FF group may induce an anti-inflammatory response at mRNA levels in PBMCs. A LF diet might benefit endothelial function, possibly mediated by the changes in serum FA composition.
  • Lankinen, Maria, et al. (författare)
  • Fatty fish intake decreases lipids related to inflammation and insulin signaling : a lipidomics approach
  • 2009
  • Ingår i: PLOS ONE. - : PLOS. - 1932-6203. ; 4:4
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The evidence of the multiple beneficial health effects of fish consumption is strong, but physiological mechanisms behind these effects are not completely known. Little information is available on the effects of consumption of different type of fish. The aim of this study was to investigate how fatty fish or lean fish in a diet affect serum lipidomic profiles in subjects with coronary heart disease.METHODOLOGY AND PRINCIPAL FINDINGS: A pilot study was designed which included altogether 33 subjects with myocardial infarction or unstable ischemic attack in an 8-week parallel controlled intervention. The subjects were randomized to either fatty fish (n = 11), lean fish (n = 12) or control (n = 10) groups. Subjects in the fish groups had 4 fish meals per week and subjects in the control group consumed lean beef, pork and chicken. A fish meal was allowed once a week maximum. Lipidomics analyses were performed using ultra performance liquid chromatography coupled to electrospray ionization mass spectrometry and gas chromatography. Multiple bioactive lipid species, including ceramides, lysophosphatidylcholines and diacylglycerols, decreased significantly in the fatty fish group, whereas in the lean fish group cholesterol esters and specific long-chain triacylglycerols increased significantly (False Discovery Rate q-value <0.05).CONCLUSIONS/SIGNIFICANCE: The 8-week consumption of fatty fish decreased lipids which are potential mediators of lipid-induced insulin resistance and inflammation, and may be related to the protective effects of fatty fish on the progression of atherosclerotic vascular diseases or insulin resistance.TRIAL REGISTRATION: ClinicalTrials.gov NCT00720655.
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  • Resultat 1-3 av 3

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