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Phenotypes Associated with This Genotype
Genotype
MGI:3801487
Allelic
Composition
Mecp2tm1Pplt/Y
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mecp2tm1Pplt mutation (0 available); any Mecp2 mutation (41 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• 50% lethality by 8 weeks

growth/size/body
• marked weight loss starting about 1 week before death
• failure to thrive after 5 weeks
• mean weight 15 g at 8 weeks comppared to 21 g for controls

behavior/neurological
N
• general locomotion is normal through 6 weeks of age
• reduced ability to associate foot shock with context
• reduced ability to associate auditory cue to footshock
• as measured on an elevated + maze
• clasping of hind limbs when lifted by the tail
• coordination remains impaired through week 9 (J:137344)
• time spent on an accelerating rotarod about 1/3 that of controls (J:137513)
• no improvement with successive trials (J:137513)
• splayed limbs
• less rearing behavior when maintained in a standard environment
• lower activity levels on free wheels in mice before onset of breathing problems or seizures
• episodes of seizures

nervous system
• episodes of seizures

respiratory system
• labored breathing

integument
• erect whiskers

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
Rett syndrome DOID:1206 OMIM:312750
OMIM:613454
J:137344


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
11/12/2024
MGI 6.24
The Jackson Laboratory