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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Kcnq2tm1.1Naas
targeted mutation 1.1, Nanda A Singh
MGI:4397592
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Kcnq2tm1.1Naas/Kcnq2tm1.1Naas B6.129-Kcnq2tm1.1Naas MGI:4397671
hm2
Kcnq2tm1.1Naas/Kcnq2tm1.1Naas FVB.129-Kcnq2tm1.1Naas MGI:4397672
hm3
Kcnq2tm1.1Naas/Kcnq2tm1.1Naas involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:4397669
ht4
Kcnq2tm1.1Naas/Kcnq2+ involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:4397670


Genotype
MGI:4397671
hm1
Allelic
Composition
Kcnq2tm1.1Naas/Kcnq2tm1.1Naas
Genetic
Background
B6.129-Kcnq2tm1.1Naas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Kcnq2tm1.1Naas mutation (0 available); any Kcnq2 mutation (50 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• some mice die between P23 and P32

nervous system
• between P24 and P52, mice exhibit at least one tonic-clonic seizure of the fore- or hindlimbs unlike wild-type mice

growth/size/body
• at weaning, mice are 22% to 46% smaller than wild-type mice

behavior/neurological
• between P24 and P52, mice exhibit at least one tonic-clonic seizure of the fore- or hindlimbs unlike wild-type mice

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
benign neonatal seizures DOID:14264 OMIM:121200
OMIM:121201
OMIM:269720
J:154582




Genotype
MGI:4397672
hm2
Allelic
Composition
Kcnq2tm1.1Naas/Kcnq2tm1.1Naas
Genetic
Background
FVB.129-Kcnq2tm1.1Naas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Kcnq2tm1.1Naas mutation (0 available); any Kcnq2 mutation (50 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• most mice die between P16 and P30
• most mice die between P16 and P30
• fewer than expected mice were born

nervous system
• mice exhibit rapid onset of spontaneous seizures that result in death

growth/size/body

behavior/neurological
• mice exhibit rapid onset of spontaneous seizures that result in death

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
benign neonatal seizures DOID:14264 OMIM:121200
OMIM:121201
OMIM:269720
J:154582




Genotype
MGI:4397669
hm3
Allelic
Composition
Kcnq2tm1.1Naas/Kcnq2tm1.1Naas
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Kcnq2tm1.1Naas mutation (0 available); any Kcnq2 mutation (50 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• fewer than expected mice were born

nervous system
• mice exhibit spontaneous seizures with frequent generalized interictal cortical discharges, forepaw grooming, and clonic twitching unlike wild-type mice
• CA1 neurons exhibit decreased M-type potassium ion current amplitude and density compared with wild-type neurons

behavior/neurological
• mice exhibit spontaneous seizures with frequent generalized interictal cortical discharges, forepaw grooming, and clonic twitching unlike wild-type mice

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
benign neonatal seizures DOID:14264 OMIM:121200
OMIM:121201
OMIM:269720
J:154582




Genotype
MGI:4397670
ht4
Allelic
Composition
Kcnq2tm1.1Naas/Kcnq2+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Kcnq2tm1.1Naas mutation (0 available); any Kcnq2 mutation (50 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• mice exhibit decreased threshold to convulsive current at which 50% of mice exhibit tonic hindlimb extension seizure compared with wild-type mice

nervous system
• mice exhibit decreased threshold to convulsive current at which 50% of mice exhibit tonic hindlimb extension seizure compared with wild-type mice

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
benign neonatal seizures DOID:14264 OMIM:121200
OMIM:121201
OMIM:269720
J:154582





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last database update
12/10/2024
MGI 6.24
The Jackson Laboratory