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Phenotypes Associated with This Genotype
Genotype
MGI:3044424
cx6
Allelic
Composition
MitfMi-wh/MitfMi-wh
Tfe3tm1Est/Tfe3tm1Est
Genetic
Background
either: (involves: 129/Sv * 129S1/Sv * C57BL * DBA) or (involves: 129S1/Sv * C57BL * C57BL/6J * DBA)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
MitfMi-wh mutation (8 available); any Mitf mutation (74 available)
Tfe3tm1Est mutation (1 available); any Tfe3 mutation (20 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• most die at 3-4 weeks of age, although some survive to adulthood

pigmentation
• mice are white; similar to MitfMi-wh/Mi-wh mice

growth/size/body
• smaller and more runted than single homozygotes

skeleton
• bones show signs of osteopetrosis with intermediate extensions of bony trabeculae; less severe than in homozygous Tcfe3tm1Est mice with other Mitf mutations

vision/eye
• similar to MitfMi-wh/Mi-wh mice

integument
• mice are white; similar to MitfMi-wh/Mi-wh 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
01/06/2026
MGI 6.24
The Jackson Laboratory