About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tg(Camk2a-cre)1Lfr
transgene insertion 1, Louis F Reichardt
MGI:2177631
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Celf4tm1.1Frk/Celf4tm1.1Frk
Tg(Camk2a-cre)1Lfr/0
involves: 129 * C57BL/6J MGI:6194751
cn2
Tfamtm1Lrsn/Tfamtm1Lrsn
Tg(Camk2a-cre)1Lfr/0
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * DBA MGI:2177642
cn3
Ntrk2tm1Lfr/Ntrk2tm1Lfr
Tg(Camk2a-cre)1Lfr/0
involves: 129X1/SvJ * C57BL/6 * DBA MGI:2450114


Genotype
MGI:6194751
cn1
Allelic
Composition
Celf4tm1.1Frk/Celf4tm1.1Frk
Tg(Camk2a-cre)1Lfr/0
Genetic
Background
involves: 129 * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Celf4tm1.1Frk mutation (2 available); any Celf4 mutation (27 available)
Tg(Camk2a-cre)1Lfr mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• seizure threshold measured by ECT test in this conditional null shows an increase in both males and females

nervous system
• seizure threshold measured by ECT test in this conditional null shows an increase in both males and females




Genotype
MGI:2177642
cn2
Allelic
Composition
Tfamtm1Lrsn/Tfamtm1Lrsn
Tg(Camk2a-cre)1Lfr/0
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tfamtm1Lrsn mutation (1 available); any Tfam mutation (14 available)
Tg(Camk2a-cre)1Lfr mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• at 5-6 months of age, preceded by 1-2 weeks of rapid physical deterioration

nervous system
• in corpus callosum, hippocampus; progressive with age
• degeneration of cortical organization in neocortex
• neuronal apoptosis in neocortex and hippocampus; progressive with age

cellular
• resipratory chain dysfunction in neurons of the neocortex and hippocampus




Genotype
MGI:2450114
cn3
Allelic
Composition
Ntrk2tm1Lfr/Ntrk2tm1Lfr
Tg(Camk2a-cre)1Lfr/0
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ntrk2tm1Lfr mutation (2 available); any Ntrk2 mutation (66 available)
Tg(Camk2a-cre)1Lfr mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• severe compression of layers II/III and layer V of the visual cortex
• mice exhibit a loss of Pou3f1-expressing neurons
• neuron cell bodies exhibit a 27% reduction in size with round morphology
• dendrites are thin and exhibit reduced complexity
• primary dendrites possess fewer and/or shorter branches
• the average apical diameter of a dendrite is reduced by 41% compared to in heterozygotes
• mice exhibit a loss of Pou3f1-expressing neurons





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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
11/12/2024
MGI 6.24
The Jackson Laboratory