
Evidence to support an important role of oxidative modification
in mediating the atherogenicity of LDL continues to grow. New hypotheses suggest mechanisms by which Ox-LDL or products of Ox-LDL can affect many components of the atherogenic process, including vasomotor properties and thrombosis, as well as lesion initiation and progression itself. These ideas suggest new approaches, that in combination with lowering of plasma cholesterol, could lead to the prevention of atherosclerosis and its complications.
Article Produced By
Department of Medicine, University of California,
https://www.ncbi.nlm.nih.gov/pubmed/1752940/
SCOPE:
The cardioprotective role of resveratrol as part of the human diet is not yet clear. Our aim was to investigate the effect of a grape supplement containing 8 mg resveratrol in oxidized LDL (LDLox), apolipoprotein-B (ApoB), and serum lipids on statin-treated patients in primary cardiovascular disease prevention (PCP).
A triple-blind, randomized, placebo-controlled trial was conducted. Seventy-five patients (three parallel arms) consumed one capsule (350 mg) daily for 6 months containing resveratrol-enriched grape extract (GE-RES, Stilvid®), grape extract (GE, similar polyphenolic content but no resveratrol), or placebo (maltodextrin). After 6 months, no changes were observed in the placebo group and only LDL cholesterol (LDLc) decreased by 2.9% (p = 0.013) in the GE group. In contrast, LDLc (-4.5%, p = 0.04), ApoB (-9.8%, p = 0.014), LDLox (-20%, p = 0.001), and LDLox/ApoB (-12.5%, p = 0.000) decreased in the Stilvid® group, whereas the ratio non-HDLc (total atherogenic cholesterol load)/ApoB increased (8.5%, p = 0.046). No changes were observed in hepatic, thyroid, and renal function. No adverse effects were observed in any of the patients.
This GE-RES reduced atherogenic markers and might exert additional cardioprotection beyond the gold-standard medication in patients from PCP. The presence of resveratrol in the GE was necessary to achieve these effects.
Article Produced By
Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, Murcia, Spain.
https://www.ncbi.nlm.nih.gov/pubmed/22648627/
Read next article at:
https://markethive.com/group/ama/blog/small-molecule-activators-of-sirtuins-extend-saccharomyces-cerevisiae-lifespansirtuin-activators-mimic-caloric-restriction-and-delay-ageing-in-metazoans
Read previous article at:
https://markethive.com/group/ama/blog/distinct-metabolic-effects-of-resveratrol-on-lipogenesis-markers-in-mice-adipose-tissue-treated-with-highpolyunsaturated-fat-and-highprotein-diets
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Chuck Reynolds
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chuck@dreams-inn.com
