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Histamine metabolism in diabetic rats
W A Fogel1, C Chmielecki, M Grałek
1Department of Biogenic Amines, Polish Academy of Sciences, Lodz.
Agents and Actions
|April 1, 1990
Summary
Insulin deficiency from diabetes in rats increased amine levels in the pancreas and intestine. Intestinal diamine oxidase (DAO) activity significantly dropped, suggesting potential clinical relevance for this metabolic change.
Area of Science:
- Biochemistry
- Endocrinology
- Physiology
Background:
- Diabetes mellitus is characterized by insulin deficiency.
- Histamine metabolism plays a role in various physiological processes.
- Insulin deficiency's impact on histamine metabolism is not fully understood.
Purpose of the Study:
- To investigate the effects of insulin deficiency on histamine metabolism in a rat model.
- To analyze changes in amine content and diamine oxidase (DAO) activity in specific tissues.
Main Methods:
- Induction of diabetes in rats using streptozotocin.
- Measurement of amine content in pancreatic and intestinal tissues.
- Assay of diamine oxidase (DAO) activity in the intestine.
Main Results:
- Streptozotocin-induced diabetes led to significant increases in amine content in the pancreas and intestine.
- A significant decrease in intestinal diamine oxidase (DAO) activity was observed in diabetic rats.
- These findings indicate a disruption in histamine metabolism due to insulin deficiency.
Conclusions:
- Insulin deficiency significantly alters histamine metabolism, affecting amine levels and DAO activity.
- Reduced intestinal diamine oxidase (DAO) activity in diabetes may have clinical implications.
- Further research is warranted to explore the clinical relevance of these metabolic alterations.