Mechanism of pyridoxine uptake by isolated rat liver cells.


Uptake of [3H]pyridoxine by isolated rat hepatocytes was detected at substrate concentrations as low as 0.5 microM. At this concentration, an initial uptake rate was 1.87 +/- 0.17 pmol/10(6) cells X min at 37 degrees C. Both the initial and a subsequent much slower pyridoxine accumulation were strongly inhibited by low temperature as well as by 10 mM… (More)


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