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  • Title: Effect of temperature on intestinal transfer and tissue uptake of sulfanilamide and aminopropyron in vitro.
    Author: Hamaura T, Nakane S, Hashida M, Sezaki H.
    Journal: J Pharmacobiodyn; 1986 Jan; 9(1):12-7. PubMed ID: 3712207.
    Abstract:
    The effect of temperature on the transfer and the tissue uptake of sulfanilamide and aminopropyron, an aminopyrine derivative, was investigated using the everted and the non-everted sacs of rat intestine. The M (mucosa) to S (serosa) transfer of sulfanilamide was slightly faster than reverse S-to-M in the ileum at the temperatures studied. Decreased transfer and tissue uptake of sulfanilamide with decreasing temperature were observed using both ileal everted and non-everted sacs. On the contrary, the M-to-S transfer of aminopropyron was slower than the S-to-M transfer in the ileum. The tissue uptake of aminopropyron was almost constant at any temperature in the ileal non-everted sac experiments, while a decreased transfer of aminopropyron was observed with a decrease in temperature. Similar results, like aminopropyron in the ileum, were obtained in the experiments of aminopropyron and sulfanilamide using the colonic sacs. It is concluded that a close relationship may exist between the directional superiority in the transfer and the temperature independency of the tissue uptake.
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