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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Lmo4Gt(RRO142)Byg
gene trap RRO142, BayGenomics
MGI:4329381
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Lmo4Gt(RRO142)Byg/Lmo4+ involves: 129P2/OlaHsd * C57BL/6J MGI:5298020


Genotype
MGI:5298020
ht1
Allelic
Composition		 Lmo4Gt(RRO142)Byg/Lmo4+
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Lmo4Gt(RRO142)Byg mutation (0 available); any Lmo4 mutation (6 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
behavior/neurological
enhanced behavioral response to cocaine ( J:178212 )
• increased locomotor response to repeated doses of cocaine
• increased sensitivity to cocaine
induced hyperactivity ( J:178212 )
• increased locomotor response to repeated doses of cocaine




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
09/30/2025
MGI 6.24 		The Jackson Laboratory