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Discover Supplement-Drug Interactions
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Last Updated: 2 years ago
supplement:
Alpha-lipoic acid
supplement:
Ascorbate
Research Papers that Mention the Interaction
“Pre-loading of HL-60 cells with lipoic acid regenerated ascorbate and thus increased the efficiency of ascorbate in recycling PMC*. Lipoic acid had no effect on PMC oxidation in the absence of ascorbate.”
Direct evidence for recycling of myeloperoxidase-catalyzed phenoxyl radicals of a vitamin E homologue, 2,2,5,7,8-pentamethyl-6-hydroxy chromane, by ascorbate/dihydrolipoate in living HL-60 cells.“Pre-incubation of cells with alpha-lipoic acid increases their capacity to reduce extracellular ferricyanide, to recycle intracellular dehydroascorbic acid to ascorbate , to decrease reactive oxygen species generated by redox cycling of menadione, and to generate nitric oxide.”
“ Lipoic acid synergistically enhanced ascorbate cytotoxicity, reducing the 2-day LC50 in hollow fibre tumours from 34 mM to 4 mM. Lipoic acid, unlike ascorbate, was equally effective against proliferating and non-proliferating cells.”
“Both GSH and ascorbate (AA) levels were decreased and GSSG/GSH and dehydroascorbate/AA ratios increased in diabetic rats vs. controls (p <.01 for all comparisons), and these changes were completely or partially AA ) prevented by DL-alpha-lipoic acid.”
Early oxidative stress in the diabetic kidney: effect of DL-alpha-lipoic acid.
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