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The in vitro effect of cinnamic aldehyde, a main component of Cinnamomi Cortex, on platelet aggregation and arachidonic acid (AA) metabolism in human platelets was studied. Cinnamic aldehyde reduced platelet aggregation of both platelet rich plasma and washed platelets, dose-dependently. This compound also decreased the formation of the metabolites of AA(More)
From 1950 to 1980, the gross alteration in dietary habit in Japan was noted. Intake of total calories has markedly increased. This could be most likely due to a remarkable increase in intake of fat, especially animal fat, egg and milk products. A marked decrease of mortality rate due to cerebral hemorrhage and in contrast a marked increase of mortality rate(More)
Cyclin-dependent kinase (Cdk) enzymes are activated for entry into the S phase of the cell cycle. Elimination of Cdk inhibitor protein p27Kip1 during the G1 to S phase is required for the activation process. An inhibitor of 3-hydroxy-3-methylglutaryl-CoA reductase prevents its elimination and leads to G1 arrest. Mevalonate and its metabolite, geranylgeranyl(More)
Two omega-3 fatty acids present in fish oil are effective inhibitors of some models of mammary and colon tumorigenesis in rodents. The present studies were conducted to determine if eicosapentaenoic and docosahexaenoic acids can modify the growth of DU-145 human prostatic tumor cells in nude mice. Two experimental diets tested contained either 23.52% corn(More)
Among fatty acids, only n-3 polyunsaturated fatty acids such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) inhibited the proliferation of vascular smooth muscle cells. DHA was less effective than EPA. To clarify the anti-proliferative effect of n-3 polyunsaturated fatty acid, we have explored the effect of EPA on the signal transduction(More)
The effects of intravenous injection of purified rabbit apoA-I on the progression of aortic atherosclerosis in cholesterol-fed rabbits were examined. In experiment 1, 28 rabbits were equally divided into groups A and B and fed a 0.5% cholesterol diet for 90 days. For the last 30 days, group B received 40 mg apoA-I every week. The fatty streak lesions in(More)
A highly purified ethyl ester of EPA (EPAEE) (74%) was manufactured from sardine oil. Sixty mg/kg/day of EPAEE was given orally to male Wistar rats for 8 weeks. No side effect or toxicity from the administration of EPAEE was observed. Plasma EPA concentration and the ratio of EPA to arachidonic acid were significantly increased, compared with control Wistar(More)
It has been suggested by several investigators that eicosapentaenoic acid (C20:5 omega 3, EPA) might have anti-thrombotic effects. In this experiment, the effect of the oral administration of EPA rich fish oil concentrate on platelet aggregation and the release and the metabolism of [1-14C]arachidonic acid and [(U)-14C]eicosapentaenoic acid by human(More)
Epidemiological studies performed in Greenland Eskimos and Japanese indicated that ingestion of fish meat rich in omega-3 polyunsaturated fatty acids, such as eicosapentaenoic acid (EPA), reduces the incidence of cerebro- and cardiovascular thrombotic diseases. Therefore, the effect of administration of purified EPA, derived from sardine oil, on(More)