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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Lamc3tm1.1Wjbr
targeted mutation 1.1, William J Brunken
MGI:4941480
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Lamc3tm1.1Wjbr/Lamc3tm1.1Wjbr involves: 129X1/SvJ * C57BL/6J MGI:4941481
cx2
Lamb2tm1Jrs/Lamb2tm1Jrs
Lamc3tm1.1Wjbr/Lamc3tm1.1Wjbr
B6.129-Lamc3tm1.1Wjbr Lamb2tm1Jrs MGI:4941482


Genotype
MGI:4941481
hm1
Allelic
Composition
Lamc3tm1.1Wjbr/Lamc3tm1.1Wjbr
Genetic
Background
involves: 129X1/SvJ * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Lamc3tm1.1Wjbr mutation (0 available); any Lamc3 mutation (59 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• at P20, the perikarya of type I tyrosine hydroxylase expressing (TH) neurons are somewhat larger compared to wild-type controls

nervous system
• at P20, the perikarya of type I tyrosine hydroxylase expressing (TH) neurons are somewhat larger compared to wild-type controls




Genotype
MGI:4941482
cx2
Allelic
Composition
Lamb2tm1Jrs/Lamb2tm1Jrs
Lamc3tm1.1Wjbr/Lamc3tm1.1Wjbr
Genetic
Background
B6.129-Lamc3tm1.1Wjbr Lamb2tm1Jrs
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Lamb2tm1Jrs mutation (1 available); any Lamb2 mutation (76 available)
Lamc3tm1.1Wjbr mutation (0 available); any Lamc3 mutation (59 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• at P20 the basement membrane shows local disruptions in its structure
• at the sites of breaks in the basement membrane, Muller cell basal terminals form a disorganized array from the inner plexiform layer (IPL) through the ganglion cell layer
• at other points, Muller cell terminals form aggregates at blood vessels
• the overall length is reduced and the fine lateral branches within the IPL are disarrayed
• at P12, the vertical shafts are thinner in the regions of basement membrane breaks
• at P20, the perikarya of type I tyrosine hydroxylase expressing (TH) neurons are somewhat smaller compared to wild-type controls and both single null mice
• however, no abnormalities are detected in cholinergic or AII amacrine cells
• decrease in the density of type I TH neurons at P20
• the delay in the increase in density of type I TH neurons detected between P3 and P5 is increased compared to mice homozygous null for Lamb2 alone
• the tyrosine hydroxylase immunoreactivity of type II amacrine cells is increased at P20

nervous system
• at the sites of breaks in the basement membrane, Muller cell basal terminals form a disorganized array from the inner plexiform layer (IPL) through the ganglion cell layer
• at other points, Muller cell terminals form aggregates at blood vessels
• the overall length is reduced and the fine lateral branches within the IPL are disarrayed
• at P12, the vertical shafts are thinner in the regions of basement membrane breaks
• at P20, the perikarya of type I tyrosine hydroxylase expressing (TH) neurons are somewhat smaller compared to wild-type controls and both single null mice
• however, no abnormalities are detected in cholinergic or AII amacrine cells
• decrease in the density of type I TH neurons at P20





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last database update
11/12/2024
MGI 6.24
The Jackson Laboratory