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Experimental hypergastrinaemia in the dog.

H M Jennewein, P C Ganguli, R Siewert

    Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et Metabolisme
    |November 1, 1976
    PubMed
    Summary
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    Excluding the canine antrum caused chronic hypergastrinaemia (elevated gastrin levels) and acid hypersecretion. This condition led to anastomotic ulcers in some dogs, highlighting the antrum's role in gastric regulation.

    Area of Science:

    • Gastroenterology
    • Endocrinology
    • Veterinary Medicine

    Background:

    • Chronic hypergastrinaemia is a condition characterized by elevated gastrin levels.
    • The role of the antrum in regulating gastric secretion and gastrin levels requires further investigation.

    Purpose of the Study:

    • To investigate the effects of antrum exclusion on gastrin levels and gastric secretion in dogs.
    • To determine the correlation between hypergastrinaemia, acid hypersecretion, and ulcer development.

    Main Methods:

    • Studies involved excluded antrum preparations in dogs.
    • Gastric secretion was collected from denervated fundic pouches.
    • Gastrin levels were measured using radioimmunoassay and separated by molecular size.

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    Main Results:

    • Exclusion of the canine antrum resulted in distinct hypergastrinaemia (349 +/- 64 pg/ml vs. normal 76 +/- 19 pg/ml) and acid hypersecretion.
    • Analysis revealed a predominance of smaller gastrin components in hypergastrinaemic dogs.
    • No close correlation was found between hypergastrinaemia and acid hypersecretion, though some dogs developed anastomotic ulcers.

    Conclusions:

    • Antrum exclusion in dogs leads to chronic hypergastrinaemia and acid hypersecretion.
    • The findings suggest a complex relationship between gastrin levels, acid secretion, and ulcer formation.
    • Further research is needed to elucidate the precise mechanisms involved.