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Phenotypes Associated with This Genotype
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gcktm1Efr mutation (1 available); any Gck mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
• heterozygotes exhibit abnormal hepatic glucose metabolism: hyperglycemia and hyperinsulinemia reduce hepatic glucose production by only 47% vs 72% in wild-type mice
• also, the fraction of hepatic UDPG pool derived from plasma glucose via the "direct" pathway is significantly reduced relative to wild-type
• at 5-6 months, heterozygous males show normoglycemia in the fed state
• however, heterozygotes show a mild (25%) increase in overnight fasting glucose levels relative to wild-type mice
• in contrast, plasma insulin levels remain unchanged relative to wild-type in both the fed and fasted state
• heterozygotes display reduced tolerance to glucose relative to wild-type mice

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
maturity-onset diabetes of the young type 2 DOID:0111100 OMIM:125851

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB), Gene Ontology (GO)
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last database update
MGI 6.14
The Jackson Laboratory