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Gastrin and cholecystokinin in pituitary neurons

J F Rehfeld, H F Hansen, L I Larsson, K Stengaard-Pedersen, N A Thorn

64 Citations (Scopus)

Abstract

Gastrins occur in the hypothalamo-hypophyseal neurons of all mammalian species examined. In addition, human, bovine, and murine hypothalamo-hypophyseal neurons contain the homologous cholecystokinins (CCKs). CCK also occurs in neurons innervating bovine melanotrophs. Although the concentration of gastrin is of the same magnitude (15-30 pmol/g) in all neural lobes, the concentration of CCK varies from undetectable in pig and cat to 1 nmol/g in the cow. The constant occurrence of neurohypophyseal gastrin suggests a role different from that of the species-dependent CCK.

Original languageEnglish
JournalProceedings of the National Academy of Sciences of the United States of America
Volume81
Issue number6
Pages (from-to)1902-5
Number of pages4
ISSN0027-8424
DOIs
Publication statusPublished - Mar 1984
Externally publishedYes

Keywords

  • Animals
  • Cats
  • Cattle
  • Cholecystokinin/metabolism
  • Gastrins/metabolism
  • Humans
  • Pituitary Gland/cytology
  • Rats
  • Swine

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