Exocrine pancreatic secretion in the syrian golden hamster Mesocricetus auratus-III. Effects of carcinogen administration and development of pancreas cancer

A. Scott Helgeson, Terence Lawson, Parviz Pour

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

1. 1. The short- and long-term effects of the administration of the pancreas carcinogen N-nitrosobis(2-oxopropyl)amine (BOP) on pancreatic exocrine secretion were examined in Syrian hamsters with and without stimulation by secretin and pancreozymin. 2. 2. Protein concentration, flow rate, pH and ion content, (Na+, K+, Ca2+, Mg2+, HCO-3, Cl-, HPO42- and SO42-) were measured. 3. 3. An immediate effect of BOP is the stimulation of flow rate in females and of protein secretion in both sexes. 4. 4. Multiple doses of BOP significantly altered the parameters mentioned in Section 2 only in the later stages of tumorigenesis. When these animals were stimulated with secretin or pancreozymin large decreases in flow rate and protein content of secretions were observed as early as 8 weeks after BOP treatment. 5. 5. Insulin-like immunoreactivity and growth hormone-like immunoreactivity were detected in collected pancreatic secretions.

Original languageEnglish (US)
Pages (from-to)191-197
Number of pages7
JournalComparative Biochemistry and Physiology. Part C, Comparative
Volume77
Issue number1
DOIs
StatePublished - 1984

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Mesocricetus
Pancreatic Neoplasms
Carcinogens
Secretin
Cholecystokinin
nitrosobis(2-oxopropyl)amine
Proteins
Growth Hormone
Pancreas
Carcinogenesis
Ions
Insulin

ASJC Scopus subject areas

  • Immunology
  • Pharmacology

Cite this

Exocrine pancreatic secretion in the syrian golden hamster Mesocricetus auratus-III. Effects of carcinogen administration and development of pancreas cancer. / Helgeson, A. Scott; Lawson, Terence; Pour, Parviz.

In: Comparative Biochemistry and Physiology. Part C, Comparative, Vol. 77, No. 1, 1984, p. 191-197.

Research output: Contribution to journalArticle

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