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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Lgi1tm1.1Ics
targeted mutation 1.1, Mouse Clinical Institute
MGI:5317113
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Lgi1tm1.1Ics/Lgi1tm1.1Ics involves: 129S2/SvPas * BALB/c * C57BL/6 MGI:5317116
ht2
Lgi1tm1.1Ics/Lgi1+ involves: 129S2/SvPas * BALB/c * C57BL/6 MGI:5317117


Genotype
MGI:5317116
hm1
Allelic
Composition
Lgi1tm1.1Ics/Lgi1tm1.1Ics
Genetic
Background
involves: 129S2/SvPas * BALB/c * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Lgi1tm1.1Ics mutation (1 available); any Lgi1 mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• spontaneous beginning in the second postnatal week (P10), especially during cage changing and handling
• during cage changing and handling
• mossy fibers in temporal lobe epilepsies often sprout aberrant recurrent synapses with dentate granule cells
• abnormal dispersion at P14 after the onset of seizures
• mossy fibers in temporal lobe epilepsies often sprout aberrant recurrent synapses with dentate granule cells
• at P14 after the onset of seizures, particularly in the hilus of the dentate gyrus
• following the onset of seizures
• mice exhibit ictal epileptic electroencephalogram abnormalities, often bilateral, compared with wild-type mice

growth/size/body
• between P10 and P14

behavior/neurological
• mice lack stomach contents at death and likely die of dehydration and/or starvation
• inactive by P14
• spontaneous beginning in the second postnatal week (P10), especially during cage changing and handling
• during cage changing and handling

adipose tissue
• lack of body fact at P14

mortality/aging
• mean lifetime of 16 days; no mice survive beyond P21
• mice lack stomach contents at death and likely die of dehydration and/or starvation

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
familial temporal lobe epilepsy 1 DOID:0060748 OMIM:600512
J:182795




Genotype
MGI:5317117
ht2
Allelic
Composition
Lgi1tm1.1Ics/Lgi1+
Genetic
Background
involves: 129S2/SvPas * BALB/c * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Lgi1tm1.1Ics mutation (1 available); any Lgi1 mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• lower threshold compared with wild-type mice

nervous system
• lower threshold compared with wild-type mice





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
04/23/2024
MGI 6.23
The Jackson Laboratory