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Phenotypes Associated with This Genotype
Genotype
MGI:2388065
Allelic
Composition		 Nrcamtm1Gmt/Nrcamtm1Gmt
Genetic
Background		 either: (involves: 129S6/SvEvTac) or (involves: 129S6/SvEvTac * Swiss Webster)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nrcamtm1Gmt mutation (1 available); any Nrcam mutation (88 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype

Lobes IV and V of the cerebellum are smaller in Nrcamtm1Gmt/Nrcamtm1Gmt mice

nervous system
small cerebellum ( J:71828 )
• reduced size of lobes IV and V; these lobes contained 11% less gray matter than control littermates; lobes I, II and X are also slightly reduced in size
abnormal neurite morphology ( J:71828 )
• isolated cerebellar cells fail to extend neurites in response to contactin, however neurites still extend in response to RPTPbeta

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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Send questions and comments to User Support. 		last database update
01/28/2026
MGI 6.24 		The Jackson Laboratory