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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Cacna1arkr
rocker
MGI:2154404
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Cacna1arkr/Cacna1arkr B6.Cg-Cacna1arkr MGI:2174919


Genotype
MGI:2174919
hm1
Allelic
Composition
Cacna1arkr/Cacna1arkr
Genetic
Background
B6.Cg-Cacna1arkr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cacna1arkr mutation (1 available); any Cacna1a mutation (118 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• action tremor at 3-4 weeks of age
• onset at P21-28
• ataxic gait initiated by an action tremor at 3-4 weeks of age, however do not display paroxysmal dyskinesia
• splayed stance of hindlimbs and clumsy, uncoordinated behavior, especially on uneven surfaces
• spontaneous appearance of bilaterally synchronous and symmetrical 6-7 Hz spike-wave discharges while awake
• episodes occur at a mean frequency range of 41-65 episodes per hour and a mean burst duration of 1-1.7 sec

nervous system
• spontaneous appearance of bilaterally synchronous and symmetrical 6-7 Hz spike-wave discharges while awake
• episodes occur at a mean frequency range of 41-65 episodes per hour and a mean burst duration of 1-1.7 sec
• Purkinje cell arbor is reduced in dendritic mass and complexity in mice over 1 year of age
• abnormal secondary outgrowth of the tips of the distal dendrites
• shafts of main Purkinje dendrites show a thickening in the upper molecular layer





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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
11/12/2024
MGI 6.24
The Jackson Laboratory