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Dongwuxue Yanjiu. 2013 Apr;34(2):108-15. doi: 10.3724/SP.J.1141.2013.02108.

[Streptozotocin induction of type 2 diabetes in tree shrew].

[Article in Chinese; Abstract available in Chinese from the publisher]

Author information

1
Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.

Abstract

in English, Chinese

The aim of this study was to induce type 2 diabetes in tree shrew (Tupaia belangeri chinensis). Streptozotocin (STZ), a glucosamine derivative of nitrosourea and preferentially toxic to pancreatic beta cells, has been commonly used to induce type 1 and 2 diabetes in experimental animals. Tree shrews were treated with different low doses of STZ (60, 70, and 80 mg/kg), with six control tree shrews receiving citrate buffer. After STZ injection, tree shrews displayed increased fasting blood and urine glucose, impaired oral glucose tolerance test, and disturbed lipids metabolism and renal function. However, STZ induced tree shrews showed no diabetic complications such as diabetic lactic acidosis and hyperglycemic hyperosmolar. Animals with the above type 2 diabetic-like symptoms were variable across the three groups from 66.7% to 100%, and mortality ranged from 16.7% to 33.3%. Thus, two 80 mg/kg STZ dose injections were appeared more appropriate than other doses to induce tree shrew model of type 2 diabetes. Our results demonstrated that type 2 diabetes could be induced with favorable STZ application in tree shrew.

KEYWORDS:

Streptozotocin; Tree shrew; Type 2 diabetes

PMID:
23572360
DOI:
10.3724/SP.J.1141.2013.02108
[Indexed for MEDLINE]
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