About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Brca2tm1Brn
targeted mutation 1, Anton Berns
MGI:2156556
Summary 19 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Brca2tm1Brn/Brca2tm1Brn involves: 129P2/OlaHsd * FVB/N MGI:3831426
cn2
Brca2tm1Brn/Brca2tm1Brn
Ptch1tm1Mps/Ptch1+
Trp53tm1Tyj/Trp53tm1Tyj
Tg(Nes-cre)1Kln/0
involves: 129 * C57BL/6 * SJL MGI:3831343
cn3
Brca2tm1Brn/Brca2tm1Brn
Ptch1tm1Mps/Ptch1+
Trp53tm1Tyj/Trp53+
Tg(Nes-cre)1Kln/0
involves: 129 * C57BL/6 * SJL MGI:3831342
cn4
Brca2tm1Brn/Brca2tm1Brn
Trp53bp1tm1Jc/Trp53bp1tm1Jc
Cd19tm1(cre)Cgn/Cd19+
involves: 129P2/OlaHsd MGI:5495980
cn5
Brca2tm1Brn/Brca2tm1Brn
Cd19tm1(cre)Cgn/Cd19+
involves: 129P2/OlaHsd MGI:5495979
cn6
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Tyj/Trp53tm1Tyj
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * 129S2/SvPas * C57BL/6 * SJL MGI:3831341
cn7
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Tyj/Trp53+
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * 129S2/SvPas * C57BL/6 * SJL MGI:3831340
cn8
Brca2tm1Brn/Brca2tm1Brn
Tg(Krt18-EGFP,-TAg121)36Ysng/0
Trp53tm1Brn/Trp53tm2Tyj
involves: 129P2/OlaHsd * 129S4/SvJae * C57BL/6 * DBA/2 * FVB/N MGI:5617497
cn9
Brca2tm1Brn/Brca2tm1Cam
Krastm4Tyj/Kras+
Trp53tm3Tyj/Trp53+
Tg(Pdx1-cre)6Tuv/0
involves: 129P2/OlaHsd * 129S/SvEv * 129S4/SvJae * C57BL/6 * FVB/N MGI:4940096
cn10
Brca2tm1Cam/Brca2tm1Brn
Krastm4Tyj/Kras+
Tg(Pdx1-cre)6Tuv/0
involves: 129P2/OlaHsd * 129S/SvEv * 129S4/SvJae * C57BL/6 * FVB/N MGI:4940102
cn11
Brca2tm1Cam/Brca2tm1Brn
Tg(Pdx1-cre)6Tuv/0
Trp53tm3Tyj/Trp53+
involves: 129P2/OlaHsd * 129S/SvEv * 129S4/SvJae * C57BL/6 * FVB/N MGI:4940104
cn12
Brca2tm1Cam/Brca2tm1Brn
Tg(Pdx1-cre)6Tuv/0
involves: 129P2/OlaHsd * 129S/SvEv * C57BL/6 * FVB/N MGI:4940106
cn13
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Brn/Trp53+
Tg(Pbsn-cre)4Prb/0
involves: 129P2/OlaHsd * C57BL/6 * DBA/2 MGI:4819194
cn14
Brca2tm1Brn/Brca2tm1Brn
Tg(Pbsn-cre)4Prb/0
involves: 129P2/OlaHsd * C57BL/6 * DBA/2 MGI:4819192
cn15
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Brn/Trp53tm1Brn
Tg(Pbsn-cre)4Prb/0
involves: 129P2/OlaHsd * C57BL/6 * DBA/2 MGI:4819193
cn16
Brca2tm1Brn/Brca2tm1Brn
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * C57BL/6 * SJL MGI:3831339
cn17
Brca2tm1Brn/Brca2+
Trp53tm1Brn/Trp53tm1Brn
Tg(KRT14-cre)8Brn/0
involves: 129P2/OlaHsd * FVB/N MGI:3831431
cn18
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Brn/Trp53tm1Brn
Tg(KRT14-cre)8Brn/0
involves: 129P2/OlaHsd * FVB/N MGI:3831430
cn19
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Brn/Trp53+
Tg(KRT14-cre)8Brn/0
involves: 129P2/OlaHsd * FVB/N MGI:3831432


Genotype
MGI:3831426
hm1
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Genetic
Background
involves: 129P2/OlaHsd * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• mice exhibit normal development and lifespan




Genotype
MGI:3831343
cn2
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Ptch1tm1Mps/Ptch1+
Trp53tm1Tyj/Trp53tm1Tyj
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129 * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Ptch1tm1Mps mutation (2 available); any Ptch1 mutation (115 available)
Tg(Nes-cre)1Kln mutation (4 available)
Trp53tm1Tyj mutation (12 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• 100% of mice develop medulloblastoma beginning at 5 weeks

nervous system
• 100% of mice develop medulloblastoma beginning at 5 weeks




Genotype
MGI:3831342
cn3
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Ptch1tm1Mps/Ptch1+
Trp53tm1Tyj/Trp53+
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129 * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Ptch1tm1Mps mutation (2 available); any Ptch1 mutation (115 available)
Tg(Nes-cre)1Kln mutation (4 available)
Trp53tm1Tyj mutation (12 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• 100% of mice develop medulloblastoma beginning at 10 weeks

nervous system
• 100% of mice develop medulloblastoma beginning at 10 weeks




Genotype
MGI:5495980
cn4
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Trp53bp1tm1Jc/Trp53bp1tm1Jc
Cd19tm1(cre)Cgn/Cd19+
Genetic
Background
involves: 129P2/OlaHsd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Cd19tm1(cre)Cgn mutation (11 available); any Cd19 mutation (60 available)
Trp53bp1tm1Jc mutation (1 available); any Trp53bp1 mutation (100 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• cells treated with PARP-inhibition exhibit increased chromosomal damage compared with cells from Brca2tm1Brn/Brca2tm1Brn Cd19tm1(cre)Cgn/Cd19tm1(cre)Cgn mice




Genotype
MGI:5495979
cn5
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Cd19tm1(cre)Cgn/Cd19+
Genetic
Background
involves: 129P2/OlaHsd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Cd19tm1(cre)Cgn mutation (11 available); any Cd19 mutation (60 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• cells treated with PARP-inhibition exhibit increased chromosomal damage compared with untreated cells




Genotype
MGI:3831341
cn6
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Tyj/Trp53tm1Tyj
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * 129S2/SvPas * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(Nes-cre)1Kln mutation (4 available)
Trp53tm1Tyj mutation (12 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• 87% of mice develop medulloblastoma beginning at 13 weeks

nervous system
• 87% of mice develop medulloblastoma beginning at 13 weeks

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
medulloblastoma DOID:0050902 OMIM:155255
J:144617




Genotype
MGI:3831340
cn7
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Tyj/Trp53+
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * 129S2/SvPas * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(Nes-cre)1Kln mutation (4 available)
Trp53tm1Tyj mutation (12 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• tumors exhibit a loss of heterozygosity at the Trp53 gene
• 72% of mice develop medulloblastoma beginning at 21 weeks

nervous system
• 72% of mice develop medulloblastoma beginning at 21 weeks

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
medulloblastoma DOID:0050902 OMIM:155255
J:144617




Genotype
MGI:5617497
cn8
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Tg(Krt18-EGFP,-TAg121)36Ysng/0
Trp53tm1Brn/Trp53tm2Tyj
Genetic
Background
involves: 129P2/OlaHsd * 129S4/SvJae * C57BL/6 * DBA/2 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(Krt18-EGFP,-TAg121)36Ysng mutation (0 available)
Trp53tm1Brn mutation (18 available); any Trp53 mutation (240 available)
Trp53tm2Tyj mutation (4 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• 68% of mice injected with a cre-expressing adenovirus under the bursa develop serous epithelial ovarian cancer pathology

endocrine/exocrine glands
• 68% of mice injected with a cre-expressing adenovirus under the bursa develop serous epithelial ovarian cancer pathology

reproductive system
• 68% of mice injected with a cre-expressing adenovirus under the bursa develop serous epithelial ovarian cancer pathology

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
ovarian cancer DOID:2394 OMIM:167000
OMIM:607893
J:189304




Genotype
MGI:4940096
cn9
Allelic
Composition
Brca2tm1Brn/Brca2tm1Cam
Krastm4Tyj/Kras+
Trp53tm3Tyj/Trp53+
Tg(Pdx1-cre)6Tuv/0
Genetic
Background
involves: 129P2/OlaHsd * 129S/SvEv * 129S4/SvJae * C57BL/6 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Brca2tm1Cam mutation (0 available); any Brca2 mutation (132 available)
Krastm4Tyj mutation (9 available); any Kras mutation (84 available)
Tg(Pdx1-cre)6Tuv mutation (3 available)
Trp53tm3Tyj mutation (3 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• about 18% of assessable tumor cases develop an acinar-cell carcinoma component of pancreatic tumors
• high penetrance (29 of 30 mutants) of pancreatic ductal adenocarcinomas

mortality/aging
• average survival time is 84 days, with a range of 48-110 days

endocrine/exocrine glands
• about 18% of assessable tumor cases develop an acinar-cell carcinoma component of pancreatic tumors
• high penetrance (29 of 30 mutants) of pancreatic ductal adenocarcinomas

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
pancreatic carcinoma DOID:4905 OMIM:260350
J:166678




Genotype
MGI:4940102
cn10
Allelic
Composition
Brca2tm1Cam/Brca2tm1Brn
Krastm4Tyj/Kras+
Tg(Pdx1-cre)6Tuv/0
Genetic
Background
involves: 129P2/OlaHsd * 129S/SvEv * 129S4/SvJae * C57BL/6 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Brca2tm1Cam mutation (0 available); any Brca2 mutation (132 available)
Krastm4Tyj mutation (9 available); any Kras mutation (84 available)
Tg(Pdx1-cre)6Tuv mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• pancreatic insufficiency; spectrum of anomalies are seen from isolated paucity of the islets of Langerhans to complete fibro-inflammatory or cystic degeneration of both the endocrine and exocrine pancreas

endocrine/exocrine glands
• pancreata from 6 day old mutants exhibits an increase in apoptotic cells compared to controls
• pancreatic insufficiency; spectrum of anomalies are seen from isolated paucity of the islets of Langerhans to complete fibro-inflammatory or cystic degeneration of both the endocrine and exocrine pancreas
• mutants not succumbing to pancreatic insufficiency later develop pancreatic ductal adenocarcinomas with a moderate latency and incomplete penetrance (6 of 32 mutants)

mortality/aging
• mutants exhibit shortened pancreatic ductal adenocarcinoma-free survival

neoplasm
• mutants not succumbing to pancreatic insufficiency later develop pancreatic ductal adenocarcinomas with a moderate latency and incomplete penetrance (6 of 32 mutants)

cellular
• pancreata from 6 day old mutants exhibits an increase in apoptotic cells compared to controls




Genotype
MGI:4940104
cn11
Allelic
Composition
Brca2tm1Cam/Brca2tm1Brn
Tg(Pdx1-cre)6Tuv/0
Trp53tm3Tyj/Trp53+
Genetic
Background
involves: 129P2/OlaHsd * 129S/SvEv * 129S4/SvJae * C57BL/6 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Brca2tm1Cam mutation (0 available); any Brca2 mutation (132 available)
Tg(Pdx1-cre)6Tuv mutation (3 available)
Trp53tm3Tyj mutation (3 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• pancreatic insufficiency is occasionally observed in mutants

endocrine/exocrine glands
• pancreatic insufficiency is occasionally observed in mutants

mortality/aging
• premature death before 600 days of age due to lymphoid malignancies and sarcomas

neoplasm
• mutants develop lymphoid malignancies




Genotype
MGI:4940106
cn12
Allelic
Composition
Brca2tm1Cam/Brca2tm1Brn
Tg(Pdx1-cre)6Tuv/0
Genetic
Background
involves: 129P2/OlaHsd * 129S/SvEv * C57BL/6 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Brca2tm1Cam mutation (0 available); any Brca2 mutation (132 available)
Tg(Pdx1-cre)6Tuv mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• small fraction of mutants develop pancreatic insufficiency

endocrine/exocrine glands
• small fraction of mutants develop pancreatic insufficiency

mortality/aging
• premature death in the small fraction of mutants with pancreatic insufficiency




Genotype
MGI:4819194
cn13
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Brn/Trp53+
Tg(Pbsn-cre)4Prb/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(Pbsn-cre)4Prb mutation (2 available)
Trp53tm1Brn mutation (18 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

High-grade prostate intraepithelial neoplasia in Brca2tm1Brn/Brca2tm1Brn Tg(Pbsn-cre)4Prb/0 Trp53tm1Brn/Trp53tm1Brn and prostate hyperplasia and intraepithelial neoplasia in Brca2tm1Brn/Brca2tm1Brn Trp53tm1Brn/Trp53+ Tg(Pbsn-cre)4Prb/0 mice

neoplasm
• focal low grade PIN are seen at 10 - 14 months of age
• by 15 - 20 months of age both focal low grade and high grade PIN are seen
• the incidence of high grade PIN is increased in mutant mice homozygous for the Trp53 allele relative to mice heterozygous for the Trp53 allele
• levels of cell proliferation are 9 fold higher in PIN lesions

reproductive system
• focal hyperplasia is seen beginning at 10 -14 months of age
• focal low grade PIN are seen at 10 - 14 months of age
• by 15 - 20 months of age both focal low grade and high grade PIN are seen
• the incidence of high grade PIN is increased in mutant mice homozygous for the Trp53 allele relative to mice heterozygous for the Trp53 allele
• levels of cell proliferation are 9 fold higher in PIN lesions
• areas of hyperplasia are positive for markers of DNA damage
• 4 fold increase in apoptotic cells in PIN foci

endocrine/exocrine glands
• focal hyperplasia is seen beginning at 10 -14 months of age
• focal low grade PIN are seen at 10 - 14 months of age
• by 15 - 20 months of age both focal low grade and high grade PIN are seen
• the incidence of high grade PIN is increased in mutant mice homozygous for the Trp53 allele relative to mice heterozygous for the Trp53 allele
• levels of cell proliferation are 9 fold higher in PIN lesions
• areas of hyperplasia are positive for markers of DNA damage
• 4 fold increase in apoptotic cells in PIN foci




Genotype
MGI:4819192
cn14
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Tg(Pbsn-cre)4Prb/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(Pbsn-cre)4Prb mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Prostate hyperplasia and low-grade prostate intraepithelial neoplasia in Brca2tm1Brn/Brca2tm1Brn Tg(Pbsn-cre)4Prb/0 mice

neoplasm
• focal low grade PIN are seen in the lumen at 15 - 20 months of age
• low grade PIN lesions form characteristic tufting and cribiform patterns
• hyperplasia and low grade PIN are seen all 4 lobes

reproductive system
• focal hyperplasia containing atypical cells is seen beginning at 10 -14 months of age
• hyperplasia and low grade PIN are seen all 4 lobes
• focal low grade PIN are seen in the lumen at 15 - 20 months of age
• low grade PIN lesions form characteristic tufting and cribiform patterns
• hyperplasia and low grade PIN are seen all 4 lobes
• areas of hyperplasia are positive for markers of DNA damage
• 3 fold increase in apoptotic cells in areas of hyperplasia and low grade PIN

endocrine/exocrine glands
• focal hyperplasia containing atypical cells is seen beginning at 10 -14 months of age
• hyperplasia and low grade PIN are seen all 4 lobes
• focal low grade PIN are seen in the lumen at 15 - 20 months of age
• low grade PIN lesions form characteristic tufting and cribiform patterns
• hyperplasia and low grade PIN are seen all 4 lobes
• areas of hyperplasia are positive for markers of DNA damage
• 3 fold increase in apoptotic cells in areas of hyperplasia and low grade PIN




Genotype
MGI:4819193
cn15
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Brn/Trp53tm1Brn
Tg(Pbsn-cre)4Prb/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(Pbsn-cre)4Prb mutation (2 available)
Trp53tm1Brn mutation (18 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

High-grade prostate intraepithelial neoplasia in Brca2tm1Brn/Brca2tm1Brn Tg(Pbsn-cre)4Prb/0 Trp53tm1Brn/Trp53tm1Brn and prostate hyperplasia and intraepithelial neoplasia in Brca2tm1Brn/Brca2tm1Brn Trp53tm1Brn/Trp53+ Tg(Pbsn-cre)4Prb/0 mice

neoplasm
• by 10 - 14 months of age both focal low grade and high grade PIN are seen
• the incidence of high grade PIN is increased in mutant mice homozygous for the Trp53 allele relative to mice heterozygous for the Trp53 allele
• frequently multiple ducts of each lobe have high grade PIN, which are present in proximal and distal regions of the prostate and consist of many atypical cells filling the lumen
• high grade PIN lesions are predominantly seen in the anterior and dorsal prostate
• levels of cell proliferation are 30 fold higher in PIN lesions
• high grade PIN lesions frequently contain large groups of basal cells some of which are rounder in shape and positioned near the lumen
• high grade lesions continue to proliferate post castration

reproductive system
• focal hyperplasia is seen beginning as early as 6 months of age
• by 10 - 14 months of age both focal low grade and high grade PIN are seen
• the incidence of high grade PIN is increased in mutant mice homozygous for the Trp53 allele relative to mice heterozygous for the Trp53 allele
• frequently multiple ducts of each lobe have high grade PIN, which are present in proximal and distal regions of the prostate and consist of many atypical cells filling the lumen
• high grade PIN lesions are predominantly seen in the anterior and dorsal prostate
• levels of cell proliferation are 30 fold higher in PIN lesions
• high grade PIN lesions frequently contain large groups of basal cells some of which are rounder in shape and positioned near the lumen
• high grade lesions continue to proliferate post castration
• areas of hyperplasia are positive for markers of DNA damage
• 20 fold increase in apoptotic cells in areas of high grade PIN

endocrine/exocrine glands
• focal hyperplasia is seen beginning as early as 6 months of age
• by 10 - 14 months of age both focal low grade and high grade PIN are seen
• the incidence of high grade PIN is increased in mutant mice homozygous for the Trp53 allele relative to mice heterozygous for the Trp53 allele
• frequently multiple ducts of each lobe have high grade PIN, which are present in proximal and distal regions of the prostate and consist of many atypical cells filling the lumen
• high grade PIN lesions are predominantly seen in the anterior and dorsal prostate
• levels of cell proliferation are 30 fold higher in PIN lesions
• high grade PIN lesions frequently contain large groups of basal cells some of which are rounder in shape and positioned near the lumen
• high grade lesions continue to proliferate post castration
• areas of hyperplasia are positive for markers of DNA damage
• 20 fold increase in apoptotic cells in areas of high grade PIN




Genotype
MGI:3831339
cn16
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
N
• compared to germ line deletions of this gene, mice exhibit no increase in apoptosis during neural development




Genotype
MGI:3831431
cn17
Allelic
Composition
Brca2tm1Brn/Brca2+
Trp53tm1Brn/Trp53tm1Brn
Tg(KRT14-cre)8Brn/0
Genetic
Background
involves: 129P2/OlaHsd * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(KRT14-cre)8Brn mutation (4 available)
Trp53tm1Brn mutation (18 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• mice develop tumors with a short median latency period of 298 days
• tumors exhibit expansive growth pattern, a high nuclear grade, and a high mitotic index
• mice develop skin carcinomas

integument
• mice develop skin carcinomas

endocrine/exocrine glands




Genotype
MGI:3831430
cn18
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Brn/Trp53tm1Brn
Tg(KRT14-cre)8Brn/0
Genetic
Background
involves: 129P2/OlaHsd * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(KRT14-cre)8Brn mutation (4 available)
Trp53tm1Brn mutation (18 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• mice develop tumors with a short median latency period of 181 days
• tumors exhibit expansive growth pattern, a high nuclear grade, and a high mitotic index
• mice develop skin carcinomas

integument
• mice develop skin carcinomas

endocrine/exocrine glands

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
breast cancer DOID:1612 OMIM:114480
J:73028




Genotype
MGI:3831432
cn19
Allelic
Composition
Brca2tm1Brn/Brca2tm1Brn
Trp53tm1Brn/Trp53+
Tg(KRT14-cre)8Brn/0
Genetic
Background
involves: 129P2/OlaHsd * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca2tm1Brn mutation (5 available); any Brca2 mutation (132 available)
Tg(KRT14-cre)8Brn mutation (4 available)
Trp53tm1Brn mutation (18 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• mice develop tumors with a short median latency period of 360 days
• tumors exhibit expansive growth pattern, a high nuclear grade, and a high mitotic index
• mice develop skin carcinomas

integument
• mice develop skin carcinomas

endocrine/exocrine glands





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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
11/05/2024
MGI 6.24
The Jackson Laboratory