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Phenotypes Associated with This Genotype
Genotype
MGI:3804003
Allelic
Composition
Akt3tm1Mbb/Akt3tm1Mbb
Tg(MMTV-Erbb2)NK1Mul/Tg(MMTV-Erbb2)NK1Mul
Genetic
Background
involves: 129 * C57BL/6 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Akt3tm1Mbb mutation (0 available); any Akt3 mutation (40 available)
Tg(MMTV-Erbb2)NK1Mul mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• female virgin mice develop mammary tumors by 54 weeks of age which is slightly but not significantly later than in mice carrying the transgene on a wild-type background
• intravascular metastasis of adenocarcinomas into the lung occurs in some mice

integument
• female virgin mice develop mammary tumors by 54 weeks of age which is slightly but not significantly later than in mice carrying the transgene on a wild-type background
• intravascular metastasis of adenocarcinomas into the lung occurs in some mice

endocrine/exocrine glands
• female virgin mice develop mammary tumors by 54 weeks of age which is slightly but not significantly later than in mice carrying the transgene on a wild-type background
• intravascular metastasis of adenocarcinomas into the lung occurs in some 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
01/20/2026
MGI 6.24
The Jackson Laboratory