Pharmacologic profile of methyl 2-tetradecylglycidate (McN-3716)--an orally effective hypoglycemic agent.
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| Abstract |
A specific inhibitor of fatty acid oxidation, methyl 2-tetradecylglycidate (McN-3716) has been found to produce a dose dependent hypoglycemic effect when administered orally to rats, mice, and dogs. In addition to being more potent than other inhibitors of fatty acid oxidation, McN-3716 was also found to be 15--20 times more potent than tolbutamide in lowering the blood glucose of fasting rats. Furthermore, evidence is presented that McN-3716 produces hypoglycemia by a mechanism which differs from that of other oral hypoglycemic agents, the biguanides and the sulfonylureas. As predicted by the Randle glucose-fatty acid cycle, McN-3716 lowered glucose concentrations only under conditions where fatty acids were being used as the major energy substrates (fasting, diabetes, and feeding of high fat diets) but not under conditions where energy was derived mainly from carbohydrate (fed state or following hypophysectomy). Administration of McN-3716 produced a remarkable lowering of the plasma glucose and the glycosuria of depancreatized dogs but did not result in complete normalization of glucose, especially the excursions of blood glucose following feeding. It did, however, produce virtually complete reversal of the ketoacidosis of alloxan diabetic rats and depancreatized dogs without worsening the plasma lipid profile. Thus, McN-3716 may have potential utility as an oral therapeutic agent for the treatment of ketosis-prone juvenile or maturity-onset diabetes.
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| Authors | G F Tutwiler, T Kirsch, R J Mohrbacher, W Ho |
| Journal | Metabolism: clinical and experimental (Metabolism) Vol. 27 Issue 10 Pg. 1539-56 (Oct 1978) ISSN: 0026-0495 [Print] United States |
| PMID | 692381 (Publication Type: Comparative Study, Journal Article) |
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