6 - Labelled Sulfate by Renal Tissue I N Vitro

I t has been observed that rat kidney cortical tissue in ~tro may show an accumulative process with respect to S 3~ when radiosulfate ion is present in the incubation medium (1). Since little is known about this process, experiments described in the present report were undertaken to characterize it further. Whether S 85 uptake by kidney tissue in ~tro should prove to reflect a more or less specific anion transport mechanism of interest to renal physiologists, or is related to some unknown but more general aspect of sulfur metabolism, it seemed worth while to describe the process in more detail as a background for its further analysis.