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Phenotypes Associated with This Genotype
Genotype
MGI:3701504
Allelic
Composition
Ctnnb1tm1Mmt/Ctnnb1tm1Mmt
Tg(Mx1-cre)1Cgn/0
Genetic
Background
involves: 129S1/Sv * C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ctnnb1tm1Mmt mutation (0 available); any Ctnnb1 mutation (51 available)
Tg(Mx1-cre)1Cgn mutation (10 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mice die within 14-18 days of final injection of polyI:polyC used to induce transgene expression and subsequent Ctnnb1 deletion; no treated controls die

skeleton
• some induced mice show disrupted bone architecture with enhanced trabecular bone structures

neoplasm
• some induced mutants display hepatoblastoma

integument
• some induced mice display skin fibrosis

liver/biliary system
• some induced mutants display hepatoblastoma


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