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Phenotypes Associated with This Genotype
Genotype
MGI:4940020
Allelic
Composition
Kittm1Rosay/Kit+
Lepob/Lepob
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Kittm1Rosay mutation (1 available); any Kit mutation (175 available)
Lepob mutation (5 available); any Lep mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• interstitial cells of Cajal networks are disrupted during the development of diabetes unlike in Kittm1Rosan heterozygotes
• mice exhibit loss of interstitial cells of Cajal unlike Kittm1Rosan heterozygotes

growth/size/body
• by 4 to 6 weeks of age

homeostasis/metabolism
• by 10 to 12 weeks of age

integument
• mice exhibit white paws and tail unlike wild-type mice

pigmentation
• mice exhibit white paws and tail unlike wild-type mice

cellular
• interstitial cells of Cajal networks are disrupted during the development of diabetes unlike in Kittm1Rosan heterozygotes
• mice exhibit loss of interstitial cells of Cajal unlike Kittm1Rosan heterozygotes


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
01/28/2026
MGI 6.24
The Jackson Laboratory