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ascorbic acid by oxidizing extracellular ascorbic acid to dehydroascorbic acid , rapidly taking up the dehydroascorbic acid and re-reducing it to ascorbic acid . This content is only available as a PDF. © 1993 ...
Primary rat astrocyte cultures absorbed dehydroascorbic acid from the medium and reduced it to intracellular ascorbate . Uptake of dehydroascorbic acid (5–200 μM) was inhibited only partially ...
using ELISA. Ex vivo uptake of ascorbate and dehydroascorbic acid by neutrophils from septic patients was also assessed. Neutrophils isolated from septic patients had comparable intracellular ascorbate ...
was increased and conversely Na+‐dependent Ca2+ uptake was decreased. These results suggest that an increase in intracellular ascorbic acid results in a decrease of Na+‐Ca2+ exchange activity in cultured ...
after either AsA or dehydroascorbic acid (DHA) addition in HaCaT keratinocytes. Our results demonstrate that RSV treatment could significantly enhance intracellular VC levels after either AsA or DHA ...
K562 erythroleukaemic cells produced ascorbate when incubated with dehydroascorbic acid . The reduction depended on the number of cells and on the concentration of dehydroascorbic acid . The observed ...
was prevented by the anion channel blocker 4,4′-diisothiocyanatostilbene-2,2′-disulfonic acid . Intracellular ascorbate did not affect radiolabeled glutamate uptake , showing absence of heteroexchange. Neurochem ...
of ascorbic acid uptake , and stimulation of its secretion. Oxidation of ascorbic acid generates dehydroascorbic acid (DHAA). Although levels of DHAA in blood are much lower than those of ascorbic acid , DHAA ...
Abstract: Cerebral ischemia and trauma lead to rapid increases in cerebral concentrations of cyclic AMP and dehydroascorbic acid (DHAA; oxidized vitamin C), depletion of intracellular ascorbic acid ...
Ascorbic acid is taken up into osteoblast cells by a saturable, stereospecific, Na+-dependent transporter, accumulating ascorbic acid to a level 100-fold that in the medium. The ascorbic acid uptake ...
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