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Streptozotocin treated bullfrogs fail to develop insulin deficiency

Authors
Journal
Comparative Biochemistry and Physiology Part A Physiology
0300-9629
Publisher
Elsevier
Publication Date
Volume
85
Issue
4
Identifiers
DOI: 10.1016/0300-9629(86)90292-6
Disciplines
  • Biology
  • Chemistry
  • Medicine

Abstract

Abstract 1. 1. Adult Rana catesbeiana and premetamorphic tadpoles were injected with streptozotocin (200–1000 mg/kg, IP). 2. 2. Serum glucose and serum and pancreatic insulin-like immunoreactivity (ILI) were determined at various post injection intervals. 3. 3. Pancreatic beta islet histology or immunocytochemistry was also observed. 4. 4. Bullfrog adults became mildly hyperglycemie after streptozotocin injection but did not develop insulin deficiency. 5. 5. Hyperglycemie frogs had slightly elevated serum ILI concentrations and had pancreatic ILI comparable to that of the controls; hyperglycemie frog islets appeared indistinguishable from control islets. 6. 6. Tadpoles did not respond to streptozotocin.

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