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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Creb1tm1.1Berd
targeted mutation 1.1, Rebecca Berdeaux
MGI:5299333
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Creb1tm1.1Berd/Creb1tm1.1Berd B6NHsd.129S4-Creb1tm1.1Berd MGI:5299345
cx2
Creb1tm1.1Berd/Creb1tm1.1Berd
Dmdmdx/Y
B.Cg-Creb1tm1.1Berd Dmdmdx MGI:5299346


Genotype
MGI:5299345
hm1
Allelic
Composition
Creb1tm1.1Berd/Creb1tm1.1Berd
Genetic
Background
B6NHsd.129S4-Creb1tm1.1Berd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Creb1tm1.1Berd mutation (0 available); any Creb1 mutation (59 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• myotube density is slightly increased due to increased myoblast proliferation
• however, myoblasts differentiate normally into myotubes

muscle
N
• mice exhibit normal muscle structure
• myotube density is slightly increased due to increased myoblast proliferation
• however, myoblasts differentiate normally into myotubes
• myotube density is slightly increased due to increased myoblast proliferation
• regenerating muscle exhibits increased cell proliferation compared to in wild-type mice




Genotype
MGI:5299346
cx2
Allelic
Composition
Creb1tm1.1Berd/Creb1tm1.1Berd
Dmdmdx/Y
Genetic
Background
B.Cg-Creb1tm1.1Berd Dmdmdx
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Creb1tm1.1Berd mutation (0 available); any Creb1 mutation (59 available)
Dmdmdx mutation (34 available); any Dmd mutation (157 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
muscle
• muscle degeneration proceeds as in Dmdmdx mice
• muscle regeneration is increased compared to in Dmdmdx mice





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last database update
07/05/2024
MGI 6.24
The Jackson Laboratory