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THE EFFECT OF PAINTING THE PANCREAS WITH ADRENALIN UPON HYPERGLYCEMIA AND GLYCOSURIA
1Department of Physiology and Pharmacology of The Rockefeller Institute for Medical Research.
The Journal of Experimental Medicine
|October 30, 2009
Summary
Intraperitoneal injection of adrenalin causes glycosuria, but its effect is not significantly greater than subcutaneous injection. The study challenges the pancreatic origin of adrenalin-induced hyperglycemia, suggesting peritoneal absorption plays a key role.
Area of Science:
- Endocrinology
- Physiology
Background:
- Blum discovered glycosuria from subcutaneous adrenal extract injection.
- Herter reported glycosuria from intraperitoneal adrenalin injection.
- Discrepancies exist regarding the comparative efficacy of different adrenalin administration routes.
Purpose of the Study:
- To investigate the glycosuric effects of intraperitoneal adrenalin injection.
- To compare the glycosuria produced by intraperitoneal versus other routes of adrenalin administration.
- To determine the origin of adrenalin-induced hyperglycemia and glycosuria.
Main Methods:
- Performed experiments involving intraperitoneal and subcutaneous adrenalin injections.
- Conducted experiments with isolated and unisolated pancreas exposure to adrenalin.
- Observed effects on blood pressure and blood sugar levels.
Main Results:
- Intraperitoneal adrenalin injection produced glycosuria, but the degree was not definitively higher than anticipated.
- Subcutaneous injection showed a greater glycosuric effect than intravenous injection.
- Adrenalin's effect on sugar production differed from its effect on blood pressure based on administration route.
Conclusions:
- The glycosuria and hyperglycemia induced by intraperitoneal adrenalin are not of pancreatic origin.
- The study suggests that peritoneal absorption or other peritoneal organs may be responsible for adrenalin's hyperglycemic effects.
- Further research is needed to clarify the precise mechanisms of adrenalin absorption and its systemic effects.
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