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  • Title: Role of dietary fish protein in the regulation of plasma lipids.
    Author: Jacques H, Gascon A, Bergeron N, Lavigne C, Hurley C, Deshaies Y, Moorjani S, Julien P.
    Journal: Can J Cardiol; 1995 Oct; 11 Suppl G():63G-71G. PubMed ID: 7585295.
    Abstract:
    The following studies have been carried out to compare the effects of fish protein with other dietary proteins on plasma cholesterol and lipoproteins in animal models and in humans. In rabbits, fish protein has been shown to induce relatively variable effects compared to casein and soy protein on serum cholesterol depending in part on the origin of dietary lipids with which it is combined. In a protein-lipid interaction study, casein, soy or cod protein were combined with corn or coconut oil. Casein and soy protein in the presence of corn oil induced lower serum cholesterol levels despite its combination with either corn or coconut oil. This is in part due to serum high density lipoprotein (HDL) cholesterol concentrations, which were consistently higher with cod protein than with either casein or soy protein, regardless of the dietary lipid source. In rabbits, this rise in HDL cholesterol was associated with a decrease in very low density lipoprotein (VLDL) triglycerides and an increase in postheparin plasma lipoprotein lipase activity. The effects of lean white fish on plasma lipoproteins also have been investigated in post and premenopausal women fed a low-fat, high P/S (polyunsaturated/saturated fat) ratio diet. In postmenopausal women, lean white fish compared with other animal protein products induced higher concentrations of plasma cholesterol, LDL-apolipoprotein (apo) B and HDL cholesterol, mainly in the HDL3 fraction. In premenopausal women, lean white fish induced lower concentrations of VLDL triglycerides and higher concentrations of LDL-apoB in plasma.(ABSTRACT TRUNCATED AT 250 WORDS)
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