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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Gad1tm2Oba
targeted mutation 2, Kunihiko Obata
MGI:3793303
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Gad1tm2Oba/Gad1tm2Oba
Ptf1atm1.1(cre)Cvw/Ptf1a+
involves: 129S1/Sv * 129X1/SvJ MGI:3805734


Genotype
MGI:3805734
cn1
Allelic
Composition
Gad1tm2Oba/Gad1tm2Oba
Ptf1atm1.1(cre)Cvw/Ptf1a+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gad1tm2Oba mutation (0 available); any Gad1 mutation (64 available)
Ptf1atm1.1(cre)Cvw mutation (1 available); any Ptf1a mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• at 6 weeks, rotarod performance is impaired compared to wild-type; mutants fall from rod more quickly than controls
• gait is similar with almost equivalent stride length, but slightly larger stride width at 6 weeks of age

nervous system
• GABA level in mutant cerebellum is >44% of controls; largest reduction is observed at P7-P8 (reduced to 16%)
• frequency and amplitudes of spontaneous IPSCs in Purkinje cells are reduced compared to controls
• frequency and amplitudes of miniature IPSCs in Purkinje cells are significantly reduced compared to controls

endocrine/exocrine glands
N
• Langerhans islets are not affected in number or size

homeostasis/metabolism
N
• at 6 weeks of age, blood insulin and glucose levels are not different from controls

craniofacial
N
• mice do not develop cleft palate like Gad1 germline-null mice





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last database update
04/23/2024
MGI 6.23
The Jackson Laboratory