Characteristics
Diabetes develops in NOD mice as a result of insulitis, a leukocytic infiltrate of the pancreatic islets. Onset of diabetes is associated with a moderate glycosuria and a non-fasting hyperglycaemia. It is recommended to monitor for development of glycosuria from 10 weeks of age; this can be carried out using urine glucose dipsticks. The incidence of spontaneous diabetes in the NOD mouse is 60-80% in females and 20-30% in males. Onset of diabetes also varies between males and females: commonly, onset is delayed in males by several weeks.
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