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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		JchainMat1
Mat1
MGI:3615448
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
cx1
 		JchainMat1/?
MijuC3HeB/FeJ/MijuC57BL/6J 		involves: C3HeB/FeJ * C57BL/6J MGI:3619556


Genotype
MGI:3619556
cx1
Allelic
Composition		 JchainMat1/?
MijuC3HeB/FeJ/MijuC57BL/6J
Genetic
Background		 involves: C3HeB/FeJ * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
JchainMat1 mutation (0 available); any Jchain mutation (25 available)
MijuC3HeB/FeJ mutation (0 available); any Miju mutation (0 available)
MijuC57BL/6J mutation (0 available); any Miju mutation (0 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
immune system
increased IgA level ( J:91062 )
• 40-fold increase in serum IgA levels

hematopoietic system
increased IgA level ( J:91062 )
• 40-fold increase in serum IgA levels




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