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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Brd4Gt(pGT1.8TM)ST132Nimr
gene trap ST132, National Institute for Medical Research
MGI:2674141
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Brd4Gt(pGT1.8TM)ST132Nimr/Brd4Gt(pGT1.8TM)ST132Nimr involves: 129P2/Ola * C57BL/6J MGI:2674194
ht2
Brd4Gt(pGT1.8TM)ST132Nimr/Brd4+ involves: 129P2/Ola * C57BL/6J MGI:2674195


Genotype
MGI:2674194
hm1
Allelic
Composition
Brd4Gt(pGT1.8TM)ST132Nimr/Brd4Gt(pGT1.8TM)ST132Nimr
Genetic
Background
involves: 129P2/Ola * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brd4Gt(pGT1.8TM)ST132Nimr mutation (0 available); any Brd4 mutation (106 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• homozygous embryos die between E3.0 and E8.0

embryo
• by E8.0, the inner cell mass had degenerated completely




Genotype
MGI:2674195
ht2
Allelic
Composition
Brd4Gt(pGT1.8TM)ST132Nimr/Brd4+
Genetic
Background
involves: 129P2/Ola * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brd4Gt(pGT1.8TM)ST132Nimr mutation (0 available); any Brd4 mutation (106 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• 50% of heterozygous animals die within the first two weeks of birth

craniofacial
• short incisive bone
• short and bent nasal bone

endocrine/exocrine glands
• lacking spermatogenic cells

growth/size/body
• short and bent nasal bone
• at E10 through birth, heterozygous embryos weighed 25% less than littermates;
• after birth, heterozygous embryos weighed 10% less than littermates

liver/biliary system
• abnormal nuclear morphology; enlarged, or cells contained two nuclei; degenerated and/or necrotic hepatocytes detected

reproductive system
• lacking spermatogenic cells
• impaired spermatogenesis
• cells lining ducts of abnormal size/shape and abnormal nuclear morphology
• cells lining ducts of abnormal size/shape and abnormal nuclear morphology

skeleton
• short incisive bone
• short and bent nasal bone

vision/eye
• seen in 7 of 34 animals
• seen in 4 of 34 animals

embryo
• at E10 through birth, heterozygous embryos weighed 25% less than littermates;

integument
• increased number of neutrophils and mature fibrocytes in dermis

respiratory system
• short and bent nasal bone





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last database update
10/29/2024
MGI 6.24
The Jackson Laboratory