Diabetes induced by neonatal streptozotocin treatment in spontaneously hypertensive and normotensive rats

Metabolism: Clinical and Experimental
M IwaseM Fujishima


The development of non-insulin-dependent diabetes mellitus (NIDDM) induced by neonatal streptozotocin (STZ) treatment was compared between male spontaneously hypertensive rats (SHR) and normotensive Wistar Kyoto rats (WKY). The animals were intraperitoneally given 37.5, 50.0, 62.5, or 75.0 mg/kg of STZ at two days of age. At two days after STZ injection, plasma glucose was elevated in both groups of rats according to the dose of STZ, but the level was higher in SHR than in corresponding WKY. At ten days of age, plasma glucose in WKY returned to the similar level to that in vehicle-treated control irrespective of the doses of STZ, while in SHR it remained above control and its level was significantly higher than that in WKY. At 12 weeks of age, plasma glucose was within the control range in WKY, while in SHR it was markedly and dose-dependently elevated. The present study indicates that SHR are susceptible to NIDDM induced by neonatal STZ treatment. The difference in response to STZ between SHR and WKY was discussed.


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Apr 1, 1991·Metabolism: Clinical and Experimental·G M Reaven, H Ho
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Related Concepts

Blood Glucose
Streptozotocin Diabetes
Dose-Response Relationship, Drug
Hypertensive Disease
Rats, Inbred SHR
Rats, Inbred WKY
Rats, Laboratory

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