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Phenotypes Associated with This Genotype
Genotype
MGI:5013485
cn22
Allelic
Composition
Leprdb/Leprdb
Ptentm1Hwu/Ptentm1Hwu
Tg(Ins2-cre)25Mgn/0
Genetic
Background
involves: 129S4/SvJae * C57BL/6 * C57BLKS/J * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Leprdb mutation (17 available); any Lepr mutation (125 available)
Ptentm1Hwu mutation (16 available); any Pten mutation (88 available)
Tg(Ins2-cre)25Mgn mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
N
• mutants are protected from developing diabetes, and despite severe insulin resistance, mutants remain euglycemic and show normal glucose tolerance
• mutant islets show increased beta-cell function, showing robust insulin secretion after glucose stimulation compared to diminished insulin secretion in single homozygous Leprdb mice
• mutants exhibit a similar degree of insulin resistance as single Leprdb mice

growth/size/body
• mutants exhibit a similar degree of weight gain as single homozygous Leprdb mice

endocrine/exocrine glands
• islets show similar degrees of hypertrophy and proliferation as those in single homozygous Leprdb mice and do not show a further increase in beta-cell mass compared to the single Leprdb mice
• mutant islets show increased beta-cell function, showing robust insulin secretion after glucose stimulation compared to diminished insulin secretion in single homozygous Leprdb mice


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
12/17/2024
MGI 6.24
The Jackson Laboratory