About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Ntrk1tm2.1Lfr
targeted mutation 2.1, Louis F Reichardt
MGI:5319087
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Ntrk1tm2.1Lfr/Ntrk1tm2.1Lfr
Tg(dlx5a-cre)1Mekk/0
involves: 129 * C57BL/6 * CD-1 * SJL MGI:5319088


Genotype
MGI:5319088
cn1
Allelic
Composition
Ntrk1tm2.1Lfr/Ntrk1tm2.1Lfr
Tg(dlx5a-cre)1Mekk/0
Genetic
Background
involves: 129 * C57BL/6 * CD-1 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ntrk1tm2.1Lfr mutation (0 available); any Ntrk1 mutation (60 available)
Tg(dlx5a-cre)1Mekk mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• impaired cholinergic innervation into the frontal cortex at P7
• decrease in cholinergic fiber density and absence of a clear laminar pattern of innervation in the hippocampus at P14
• complete absence of cholinergic fibers in the hippocampus and only a small number of fibers in the frontal cortex at P90

behavior/neurological
• measurable decline in amygdala-dependent, but not hippocampal-dependent, cognitive performance
• significant decrease in recognition of a novel object





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
04/30/2024
MGI 6.23
The Jackson Laboratory