PMID: 2494027Feb 15, 1989Paper

Effects of long-term glibenclamide administration on gastrointestinal and pancreatic hormones in normal fasting rats

Diabetes Research and Clinical Practice
P FilipponiP Brunetti

Abstract

We previously reported that sulfonylurea treatment reduces insulin (IRI), glucagon (IRG) and somatostatin (SRIF) release following metabolic stimuli from the isolated perfused pancreas of normal rats and that a reduction in IRI, IRG and SRIF pancreatic content was also observed. The present work was undertaken to investigate the effects of long-term glibenclamide treatment on the gastrointestinal content of gut hormones in normal rats. Moreover, the effects of sulfonylurea treatment on IRI, IRG, and SRIF pancreatic content were also analyzed and compared to the peripheral hormone plasma levels. Two groups of male Sprague-Dawley rats received glibenclamide (1 mg/kg/day per os; n = 14) or placebo (distilled water; n = 10) for 5 months, respectively. Tissue contents of IRI, IRG and SRIF in acid-ethanol extracts of pancreas and of gastric inhibitory peptide (GIP), vasoactive intestinal polypeptide (VIP), entero-glucagon (gut-GLI) and SRIF in acid-ethanol extracts of intestine were determined. Blood glucose and plasma pancreatic hormone levels were also measured. Glibenclamide treatment lowered the levels of IRI, IRG and SRIF in the pancreatic tissue; in the same way gut-GLI, SRIF and VIP intestinal concentrations were significantly...Continue Reading

References

Mar 2, 1978·Histochemistry·F SundlerO Schaffalitzky de Muckadell
Nov 1, 1978·Gut·S J Mitchell, S R Bloom
Oct 1, 1972·The Journal of Clinical Endocrinology and Metabolism·W C DuckworthA E Kitabchi

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Citations

Oct 31, 2008·PLoS Medicine·Maria Sara Remedi, Colin G Nichols
Oct 9, 2007·Diabetes, Obesity & Metabolism·C G NicholsM S Remedi

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