Uptake and utilization of 5'-methylthioadenosine by cultured baby-hamster kidney cells.

T O Eloranta, K Tuomi, A M Raina

The Biochemical journal 1982 Jun 15

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5'-Methylthioadenosine was taken up and immediately metabolized further by cultured baby-hamster kidney cells during the exponential phase of growth. The adenine moiety supplied the purine-nucleotide pool via the salvage pathway and was efficiently incorporated into nucleic acids. Catabolites of methylthioadenosine excreted by the cells included adenine, purinic compounds and metabolites of the ribose portion. 5'-Methylthiotubercidin had no significant effect on the cellular metabolism of methyl-thioadenosine, but greatly inhibited its uptake. erythro-9-(2-Hydroxy-3-nonyl)adenine had no effect on the uptake, but markedly interfered with the further utilization of methylthioadenosine after cleavage in the cells.

Citation

T O Eloranta, K Tuomi, A M Raina. Uptake and utilization of 5'-methylthioadenosine by cultured baby-hamster kidney cells. The Biochemical journal. 1982 Jun 15;204(3):803-7