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  • Title: Effects of dipyridamole and furosemide on renal function during adenine dinucleotide infusion in rats.
    Author: Redlak M, Szczepańska-Konkel M, Stepiński J, Angielski S.
    Journal: Acta Physiol Pol; 1986; 37(1):1-7. PubMed ID: 3788606.
    Abstract:
    In anaesthetized rats kept on normal diet an i.v. infusion of NAD (200 nmole X kg-1 X X min-1) induced a decrease in renal plasma flow (CPAH), glomerular filtration rate (GFR) and electrolyte excretion accompanied by an increase in plasma adenosine concentration. Separate infusions of a small dose of NAD (50 nmole X kg-1 X min-1) or dipyridamole (25 micrograms X kg-1 X min-1) did not affect renal function or plasma adenosine concentration. However, when the above small doses of both agents were given simultaneously, GFR, CPAH and electrolyte excretion fell significantly, indicating potentiation of NAD action by dipyridamole, associated with increased plasma adenosine level. An i.v. infusion of furosemide failed to abolish the depression of renal function in response to NAD. The data suggest that the causal factor of this depression was adenosine and not NAD itself.
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