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Gudjónsson SV 《The Biochemical journal》1930,24(6):1591-1594
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Effect of feeding coconut and blackgram fiber isolated as neutral detergent fiber (NDF) on the levels of lipids and lipid peroxides was studied in rats given a high fat diet. Concentration of cholesterol, free falty acid and phospholipids showed significant decrease in the serum, liver aorta and intestine of coconut and blackgram fiber groups. Concentration of malondialdehyde (MDA) and conjugated dienes was significantly decreased in liver and intestine of both fiber groups, while hydroperoxides showed significant increase in liver and heart of both the fiber groups. SOD and catalase activity was found to be increased in liver, intestine, heart proximal colon and distal colon of both the fiber groups. Serum ceruloplasmin levels showed a slight increase in animals fed coconut and blackgram fiber groups. Glutathione levels in liver, intestine proximal colon, distal colon and heart also showed a significant decrease in the animals of both the fiber groups. 相似文献
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Human apolipoprotein A-IV polymorphism: frequency and effect on lipid and lipoprotein levels 总被引:4,自引:2,他引:4
Hans-Jürgen Menzel Eric Boerwinkle Silvia Schrangl-Will Gerd Utermann 《Human genetics》1988,79(4):368-372
Summary Human apolipoprotein (apo) A-IV is genetically polymorphic, the apo A-IV polymorphism being controlled by two common alleles, A-IV1 and A-IV2. We have developed a method for typing the apo A-IV polymorphism by Western blotting using polyclonal rabbit antiapo A-IV as the first and gold-labeled antirabbit IgG as the second antibody. Apolipoprotein phenotypes were determined in plasma samples from 473 tiroleans. The frequencies of the apo A-IV alleles in this sample were f(A-IV1)=0.919, f(A-IV2)=0.077, and f(A-IV3)=0.004. Although average triglyceride levels were lower in apo A-IV 2-1 heterozygotes, average total serum cholesterol and triglyceride levels were not significantly different among apo A-IV types. High density lipoprotein (HDL) cholesterol was significantly increased in individuals with the A-IV 2-1 phenotype. We estimate that genetic variation at the apo A-IV gene locus accounts for 11% of the total variability in HDL-cholesterol levels in Tiroleans. The effects of the apo A-IV polymorphism described here are consistant with, and may serve to enrich, our limited knowledge of the role of apo A-IV in lipid metabolism. 相似文献
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