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Phenotypes Associated with This Genotype
Genotype
MGI:3641262
Allelic
Composition
Atp2b2m1Mae/Atp2b2m1Mae
Ppargtm2Mae/Ppargtm2Mae
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Atp2b2m1Mae mutation (0 available); any Atp2b2 mutation (66 available)
Ppargtm2Mae mutation (0 available); any Pparg mutation (41 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• absent eye blink reflex
• when attempting to right themselves mice frequently fall on their side and turn onto their back with alternating flexion and hypertonic musculature of the extremities
• righting takes more than 4 sec compared to 0-1 sec in wild-type mice
• no response to acoustic stimuli
• severe tremors seen by P12
• evident by P12
• difficulty maintaining position when the cage is shaken and unable to stand on a stationary or rotating rod
• unable to grip an inverted wire
• wobbly gait

hearing/vestibular/ear
• profound hearing loss

growth/size/body
• adults are about half the size of control littermates
• begin to lag behind littermates around P10

nervous system


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
01/28/2026
MGI 6.24
The Jackson Laboratory