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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Clcn7tm3.1Tjj
targeted mutation 3.1, Thomas J Jentsch
MGI:4413670
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Clcn7tm3.1Tjj/Clcn7tm3.1Tjj
Tg(APOE-cre)VITew/0
B6.Cg-Clcn7tm3.1Tjj Tg(APOE-cre)VITew MGI:4414638
cn2
Clcn5tm1Tjj/Clcn5+
Clcn7tm3.1Tjj/Clcn7tm3.1Tjj
Tg(APOE-cre)VITew/0
involves: 129/Sv * 129S1/Sv * 129X1/SvJ * C57BL/6 * C57BL/6J MGI:4414640
cn3
Clcn7tm3.1Tjj/Clcn7tm3.1Tjj
Emx1tm1.1(cre)Ito/Emx1+
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * BALB/cJ * C57BL/6 MGI:4414637


Genotype
MGI:4414638
cn1
Allelic
Composition
Clcn7tm3.1Tjj/Clcn7tm3.1Tjj
Tg(APOE-cre)VITew/0
Genetic
Background
B6.Cg-Clcn7tm3.1Tjj Tg(APOE-cre)VITew
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Clcn7tm3.1Tjj mutation (0 available); any Clcn7 mutation (40 available)
Tg(APOE-cre)VITew mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• degradation of the endocytosed protein in proximal tubule cells of the kidneys is disrupted compared to in wild-type mice

renal/urinary system




Genotype
MGI:4414640
cn2
Allelic
Composition
Clcn5tm1Tjj/Clcn5+
Clcn7tm3.1Tjj/Clcn7tm3.1Tjj
Tg(APOE-cre)VITew/0
Genetic
Background
involves: 129/Sv * 129S1/Sv * 129X1/SvJ * C57BL/6 * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Clcn5tm1Tjj mutation (0 available); any Clcn5 mutation (16 available)
Clcn7tm3.1Tjj mutation (0 available); any Clcn7 mutation (40 available)
Tg(APOE-cre)VITew mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype



Genotype
MGI:4414637
cn3
Allelic
Composition
Clcn7tm3.1Tjj/Clcn7tm3.1Tjj
Emx1tm1.1(cre)Ito/Emx1+
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * BALB/cJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Clcn7tm3.1Tjj mutation (0 available); any Clcn7 mutation (40 available)
Emx1tm1.1(cre)Ito mutation (1 available); any Emx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• unlike Clcn7tm2Tjj homozygotes, mice have a normal lifespan

nervous system
• at 20 weeks in the cerebral cortex
• at 1.5 years of age, the cortex and hippocampus are almost completely degenerated unlike in wild-type mice
• at 20 weeks, the dentate gyrus exhibits conspicuous degeneration unlike in wild-type mice
• hippocampal structures are no longer detected by 1.5 years of age
• mice exhibit severe neuronal cell loss as early as 30 days after birth
• the cerebral cortex is reduced at 4 to 5 months of age
• at 1.5 years of age, the cortex and hippocampus are almost completely degenerated unlike in wild-type mice
• nearly all cortical neurons are lost by 1 year of age
• at 20 weeks in the cerebral cortex
• at 1.5 years of age, the cortex and hippocampus are almost completely degenerated unlike in wild-type mice
• progressive with severe neuronal cell loss as early as 30 days after birth

behavior/neurological
• at 4 to 5 months of age

cellular
• mice exhibit a lysosomal storage phenotype in the forebrain with altered Lamp-1 distribution compared to in wild-type mice

skeleton
N
• unlike Clcn7tm2Tjj homozygotes, mice exhibit normal bone density

growth/size/body
N
• unlike Clcn7tm2Tjj homozygotes, mice exhibit normal growth

immune system
• at 20 weeks in the cerebral cortex

hematopoietic system
• at 20 weeks in the cerebral cortex





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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
04/16/2024
MGI 6.23
The Jackson Laboratory