Abstract
This report concerns gastric juice, plasma, and urinary levels of adenosine 3′, 5′-monophosphate (cAMP) in 27 subjects undergoing routine gastric analysis under maximum stimulation with betazole or pentagastrin. Cyclic AMP was measured by sensitive and specific radioimmunoassay. No increase in concentration of cAMP was noted in gastric juice, plasma, or urine following either betazole or pentagastrin stimulation. Betazolestimulated human gastric acid secretion was associated with an increased cAMP output into the gastric juice (P<0.05). There was no change in cAMP output following pentagastrin stimulation. The peak acid output produced by pentagastrin and betazole was similar. The lack of increase in cAMP concentration lends support to the concept that cyclic AMP is not a primary mediator in the stimulation of gastric acid secretion by betazole or pentagastrin in the human. The physiologic significance of the increase in cAMP output following betazole stimulation remains unresolved.
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Supported by Bureau of Medicine and Surgery Clinical Investigation Program Project No. 2-06-322.
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Bower, R.H., Sode, J. & Lipshutz, W.H. Cyclic adenosine monophosphate and human gastric acid secretion. Digest Dis Sci 22, 705–711 (1977). https://doi.org/10.1007/BF01078350
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DOI: https://doi.org/10.1007/BF01078350