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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Nischedsn
edison
MGI:3653501
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Nischedsn/Nischedsn C3H.B6-Nischedsn MGI:6101180
ht2
Nischedsn/NischV33A involves: BALB/c * C3H/HeH * C57BL/6J MGI:6101184
cx3
Itga5tm1Hyn/Itga5+
Nischedsn/Nischedsn
C3H.Cg-Nischedsn Itga5tm1Hyn MGI:6101182
cx4
Itga5tm1Hyn/Itga5+
Nischedsn/Nisch+
C3H.Cg-Nischedsn Itga5tm1Hyn MGI:6101183


Genotype
MGI:6101180
hm1
Allelic
Composition
Nischedsn/Nischedsn
Genetic
Background
C3H.B6-Nischedsn
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nischedsn mutation (0 available); any Nisch mutation (73 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• likely due to lung defects

hearing/vestibular/ear
N
• no obvious abnormalities observed in the cochlea with no hair cell damage or loss
• cavity is filled with cellular exudate and thickened mucoperiosteum due to inflammation
• at 3 weeks and progressively worsening with age
• from 3 weeks onward beginning as unilateral and progressing to bilateral at 20 weeks in some mice
• inflamed mucoperiosteum and tympanic membrane, increased mucosal thickness, increased macrophage infiltration, and exudate with enlarged foamy macrophages containing coarsely granular material

respiratory system
• thickened with smaller airspaces at E16.5, E18.5 and P0 in some mice
• enlarged airspaces with accumulation of enlarged alveolar macrophage containing coarsely granular material in adult mice
• severity corresponds to severity of otitis media

growth/size/body
• at 20 weeks in female and male mice
• at 20 weeks in female and male mice

craniofacial
• cavity is filled with cellular exudate and thickened mucoperiosteum due to inflammation

immune system
• from 3 weeks onward beginning as unilateral and progressing to bilateral at 20 weeks in some mice
• inflamed mucoperiosteum and tympanic membrane, increased mucosal thickness, increased macrophage infiltration, and exudate with enlarged foamy macrophages containing coarsely granular material

skeleton
• cavity is filled with cellular exudate and thickened mucoperiosteum due to inflammation

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
otitis media DOID:10754 J:244907




Genotype
MGI:6101184
ht2
Allelic
Composition
Nischedsn/NischV33A
Genetic
Background
involves: BALB/c * C3H/HeH * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nischedsn mutation (0 available); any Nisch mutation (73 available)
NischV33A mutation (0 available); any Nisch mutation (73 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
• onset at 4 weeks, progressive
• increased intermediate middle ear mucosal thickness

immune system
• onset at 4 weeks, progressive
• increased intermediate middle ear mucosal thickness




Genotype
MGI:6101182
cx3
Allelic
Composition
Itga5tm1Hyn/Itga5+
Nischedsn/Nischedsn
Genetic
Background
C3H.Cg-Nischedsn Itga5tm1Hyn
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Itga5tm1Hyn mutation (1 available); any Itga5 mutation (47 available)
Nischedsn mutation (0 available); any Nisch mutation (73 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
• more so than in Nischedsn homozygotes at 4 and 20 weeks
• at 4 weeks
• more so than in Nischedsn homozygotes at 4 and 20 weeks
• cavity is filled with cellular exudate and thickened mucoperiosteum due to inflammation

immune system
• more so than in Nischedsn homozygotes at 4 and 20 weeks
• cavity is filled with cellular exudate and thickened mucoperiosteum due to inflammation




Genotype
MGI:6101183
cx4
Allelic
Composition
Itga5tm1Hyn/Itga5+
Nischedsn/Nisch+
Genetic
Background
C3H.Cg-Nischedsn Itga5tm1Hyn
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Itga5tm1Hyn mutation (1 available); any Itga5 mutation (47 available)
Nischedsn mutation (0 available); any Nisch mutation (73 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
• mild with onset at 12 weeks unlike single heterozygotes
• from 12 weeks with muscosal thickening unlike single heterozygotes

immune system
• from 12 weeks with muscosal thickening unlike single heterozygotes





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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
12/10/2024
MGI 6.24
The Jackson Laboratory