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Phenotypes Associated with This Genotype
Genotype
MGI:3623729
Allelic
Composition
Lrp4mdig/Lrp4mdig
Genetic
Background
involves: 129S2/SvPas * DBA/1LacJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Lrp4mdig mutation (1 available); any Lrp4 mutation (95 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• variable brachydactyly seen on all four limbs
• duplication of digits along the dorsoventral axis
• variable syndactyly seen on all four limbs
• typically involves fusion of 2 or 3 adjacent segments along the anteroposterior axis

behavior/neurological
• females and males are fertile but females sometimes fail to nurse their pups

craniofacial
N
• no tooth abnormalities are seen

integument
• nails are often abnormally shaped or placed but are never fused


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)
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last database update
03/31/2026
MGI 6.24
The Jackson Laboratory