Effects of Pressor Substances on Low Density Lipoprotein Peroxidation by Cu<SUP>++</SUP>
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概要
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To investigate whether pressor substances accelerate low density lipoprotein peroxidation by Cu<SUP>++</SUP>, low density lipoprotein was dialysed against physiological saline containing 0-5 μ mol/1 CuCl<SUB>2</SUB> and/or 1 μmol/l of various pressor substances. Lipid peroxide value of low density lipoprotein changed little with the addition of norepinephrine to the saline, but the addition of norepinephrine to 1 μmol/l CuCl<SUB>2</SUB> accelerated the peroxidation. When low density lipoprotein was dialysed against saline with norepinephrine, epinephrine, serotonin or dopamine, there were no significant differences in the lipid peroxide values of low density lipoprotein. Although the addition of serotonin into the dialyzate did not accelerate the peroxidation of low density lipoprotein due to Cu<SUP>++</SUP>, the addition of norepinephrine, epinephrine and dopamine accelerated the Cu<SUP>++</SUP> -peroxidation with a significant increase in the acceleration rate starting at the 36 hour point. Thus, it is speculated that various stresses stimulating the sympathetic nervous system accelerate the peroxidation of low density lipoprotein and produce peroxidized low density lipoprotein in the blood
- 一般社団法人 日本動脈硬化学会の論文
一般社団法人 日本動脈硬化学会 | 論文
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