| Type | MGI:General | Description | homozygotes show increased levels of randomly fed sugars at postnatal day 3, and fasting hyperglycemia between 3 and 6 weeks of age at 10 weeks, homozygotes exhibit overt diabetes with fasting glucose levels of 323 35 mg dl-1; if left untreated, the fasting sugar levels rise progressively to >400 mg dl-1 at 12-16 weeks of age |