About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Smpd1em2Mvw
endonuclease-mediated mutation 2, Michael Wiles
MGI:8260697
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Smpd1em2Mvw/Smpd1em2Mvw C57BL/6J-Smpd1em2Mvw/MvwJ MGI:8260768


Genotype
MGI:8260768
hm1
Allelic
Composition
Smpd1em2Mvw/Smpd1em2Mvw
Genetic
Background
C57BL/6J-Smpd1em2Mvw/MvwJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smpd1em2Mvw mutation (0 available); any Smpd1 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
N
• despite the diminished serum activity from this point mutation there is adequate lysosomal sphingomyelinase activity in the cerebellum to maintain adequate sphingomyelin to prevent the phenotypes of Nieman-Pick Disease





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
01/06/2026
MGI 6.24
The Jackson Laboratory