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pubmed:abstractText |
The combined effects of insulin and phlorizin have been analyzed on two parameters of insulin stimulation in the surviving rat diaphragm : transport and metabolism of sugars, turnover of the phosphate groups of mononucleotides. Phlorizin (c mM) inhibits glucose transport both in the presence and absence of insulin and displays a small additional inhibitory effect on glycogen biosynthesis; with the non metabolizable glucose anlogue 3-O-methyl-D-glucose transport inhibition is demonstrated solely in the presence of insulin. No correlation is demonstrated between the rates of sugar transport, which are strongly phlorizin-sensitive, and the rates of nucleotide turnover, which show no such sensitivity.
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