Summary
Human α-atrial natriuretic peptide (h-αANP) makes the urine of dehydrated volunteers hypotonic to plasma despite high circulating concentrations of antidiuretic hormone. Urinary dilution with h-αANP also occurs in subjects receiving indomethacin. Therefore, h-αANP antagonises effects of antidiuretic hormone on distal tubular V2-receptors in man, probably without involving prostaglandins.
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Brown, J., Forsling, M.L., Valdes, G. et al. Antagonism of V2-receptor effect of antidiuretic hormone by atrial natriuretic peptide in man. Experientia 44, 513–516 (1988). https://doi.org/10.1007/BF01958933
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DOI: https://doi.org/10.1007/BF01958933