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Phenotypes Associated with This Genotype
Genotype
MGI:3687747
Allelic
Composition
Ctnnb1tm1Yy/Ctnnb1tm1.1Yy
Ptch1tm1Yy/Ptch1tm1.1Yy
Tg(Col2a1-cre)1Bhr/0
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ctnnb1tm1.1Yy mutation (0 available); any Ctnnb1 mutation (51 available)
Ctnnb1tm1Yy mutation (0 available); any Ctnnb1 mutation (51 available)
Ptch1tm1.1Yy mutation (0 available); any Ptch1 mutation (115 available)
Ptch1tm1Yy mutation (0 available); any Ptch1 mutation (115 available)
Tg(Col2a1-cre)1Bhr mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• osteoblast differentiation is severely blocked and mature osteoblasts are almost completely absent in E16.5 embryo limbs

skeleton
• osteoblast differentiation is severely blocked and mature osteoblasts are almost completely absent in E16.5 embryo limbs
• the elbow joint interzone fails to form
• chondrocyte hypertrophy is inhibited
• show extensive synovial joint fusions which are much more severe than in each of the single mutants
• perichondrium is thinner
• mineralization in the long bones is more severely reduced than in single conditional Ctnnb1 mutants
• ossification is more severely inhibited than in single conditional Ctnnb1 mutants

craniofacial
N
• exhibit normal posterior skull formation

limbs/digits/tail
• the elbow joint interzone fails to form


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
12/30/2025
MGI 6.24
The Jackson Laboratory