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Phenotypes Associated with This Genotype
involves: 129S1/Sv * 129X1/SvJ * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Htttm5Mem mutation (2 available); any Htt mutation (29 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• the levels of both the endogenous excitotoxin quinolinic acid (QUIN) and its bioprecursor, 3-hydroxykynurenine (3-HK) are increased in the striatum beginning at 15 months of age, similarly to that seen in Huntington disease patients (J:111237)
• exhibit relocation of the mutant protein to the nucleus in medium sized spiny neurons and much later, the formation of morphologic nuclear inclusions (at around 10 months) and insoluble aggregate that are hallmarks of Huntington's Disease in humans
• QUIN and 3-HK levels are increased in the cortex beginning at 15 months of age, as seen in patients with Huntington disease
• observed at 10 months
• between 8 and 12 weeks of age, striatal mitochondria develops resistance to calcium, becoming equally sensitive to calcium as cortical mitochondria, whereas in wild-type, striatal mitochondria is more sensitive to calcium than cortical mitochondria

• onset of persistent rubbing and irritability from 12 to 16 months of age
• onset of clasping behavior from 12 to 16 months of age
• onset of trembling from 12 to 16 months of age
• onset of hypoactivity from 12 to 16 months of age

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
Huntington's disease DOID:12858 OMIM:143100
J:60937 , J:99425 , J:111237

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
MGI 6.16
The Jackson Laboratory