Insulin release by glucose anomers in a rat model of non-insulin-dependent diabetes
โ Scribed by A. Niki; H. Niki; I. Niki; Y. Kunoh
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 269 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0012-186X
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โฆ Synopsis
The effects of the alpha and beta anomers of D-glucose on insulin release were studied in a rat model of non-insulin-dependent diabetes, which was induced by streptozotocin injection at 2 days of age. Glucose tolerance of the streptozotocin-treated rats at 8-10 weeks of age was mildly diabetic. Insulin release from the isolated perfused pancreas of the diabetic rats in response to 10 mmol/l alpha-D-glucose was markedly impaired, while insulin response to 10 mmol/l beta-D-glucose in the diabetic pancreas was only slightly reduced as compared to that in the control pancreas.
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A B-cell-deficient model for Type 2 (non-insulindependent) diabetes mellitus has been investigated with regard to insulin action at the cellular level. Two-day-old male Sprague Dawley rats were injected with streptozotocin (90 mg/kg) or citrate buffer. At 6 weeks streptozotocin-treated animals were
Mild diabetes was induced in adult rats with streptozotocin (45 mg/kg body weight), and insulin sensitivity, glycogen deposition and glycogen synthase activity assessed in liver and muscle 5 weeks later. Diabetic rats had significantly elevated fasting blood glucose concentrations (5.6 +/- 0.1 versu