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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Brca2tm1Brd
targeted mutation 1, Allan Bradley
MGI:2177233
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Brca2tm1Brd/Brca2tm1Brd involves: 129S7/SvEvBrd MGI:2177234
ht2
Brca2tm1Brd/Brca2+ involves: 129S7/SvEvBrd MGI:2177235
ht3
Brca2tm2.1Sks/Brca2tm1Brd B6.Cg-Brca2tm1Brd Brca2tm2.1Sks MGI:7279298
ht4
Brca2tm1Brd/Brca2tm1.1Sks involves: 129 * 129S7/SvEvBrd * C57BL/6J * FVB/N MGI:5438031


Genotype
MGI:2177234
hm1
Allelic
Composition
Brca2tm1Brd/Brca2tm1Brd
Genetic
Background
involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brd mutation (0 available); any Brca2 mutation (132 available)
phenotype observed in females
phenotype observed in males
N normal phenotype



Genotype
MGI:2177235
ht2
Allelic
Composition
Brca2tm1Brd/Brca2+
Genetic
Background
involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brd mutation (0 available); any Brca2 mutation (132 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype




Genotype
MGI:7279298
ht3
Allelic
Composition
Brca2tm2.1Sks/Brca2tm1Brd
Genetic
Background
B6.Cg-Brca2tm1Brd Brca2tm2.1Sks
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brd mutation (0 available); any Brca2 mutation (132 available)
Brca2tm2.1Sks mutation (0 available); any Brca2 mutation (132 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
embryo
N
• no obvious histological anomalies or morphological defects other than small size at stages E16.5 and E18.5
• at stages E16.5 and E18.5

mortality/aging
• significantly reduced survival rate after gamma-ray exposure
• significantly reduced lifespan
• mice born at below expected Mendelian ratio
• reduced number of embryos at stage E16.5
• normal Mendelian ration of genotypes at stages E9.5, E13.5 and E14.5

growth/size/body
N
• normal histological and morphological appearance
• at stages E16.5 and E18.5
• persisting through weaning and adulthood
• persisting through weaning and adulthood

endocrine/exocrine glands
• significantly reduced at age 4-6 weeks
• significantly reduced at age 4-6 weeks

homeostasis/metabolism
• significantly reduced survival rate after gamma-ray exposure

integument
• significantly reduced at age 4-6 weeks
• significantly reduced at age 4-6 weeks

behavior/neurological
N
• normal nursing

neoplasm
N
• normal tumor incidence in aged mice

reproductive system
N
• fertile and producing normal litter size




Genotype
MGI:5438031
ht4
Allelic
Composition
Brca2tm1Brd/Brca2tm1.1Sks
Genetic
Background
involves: 129 * 129S7/SvEvBrd * C57BL/6J * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1.1Sks mutation (0 available); any Brca2 mutation (132 available)
Brca2tm1Brd mutation (0 available); any Brca2 mutation (132 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
N
• mice exhibit normal gonad sizes, fecundity and fertility





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last database update
11/19/2024
MGI 6.24
The Jackson Laboratory