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Phenotypes Associated with This Genotype
Genotype
MGI:3042857
Allelic
Composition		 Chrnb4tm1Mdb/Chrnb4tm1Mdb
Genetic
Background		 B6.129-Chrnb4tm1Mdb
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Chrnb4tm1Mdb mutation (2 available); any Chrnb4 mutation (27 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
behavior/neurological
decreased susceptibility to pharmacologically induced seizures ( J:89266 )
• less sensitivity to nicotine-induced seizures than wild-type controls or Chrna5tm1Mdb/tm1Mdb mice

nervous system
decreased susceptibility to pharmacologically induced seizures ( J:89266 )
• less sensitivity to nicotine-induced seizures than wild-type controls or Chrna5tm1Mdb/tm1Mdb 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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Send questions and comments to User Support. 		last database update
03/25/2025
MGI 6.24 		The Jackson Laboratory