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Phenotypes Associated with This Genotype
Genotype
MGI:7281480
Allelic
Composition		 Cd19tm1(cre)Cgn/Cd19+
Myd88em1.1Rsky/Myd88em1.1Rsky
Genetic
Background		 involves: C57BL/6NTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cd19tm1(cre)Cgn mutation (12 available); any Cd19 mutation (57 available)
Myd88em1.1Rsky mutation (0 available); any Myd88 mutation (51 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
cellular
increased B cell proliferation ( J:308792 )
• transient expansion of B cells in absence or presence of added mitogens in vitro

hematopoietic system
increased B cell proliferation ( J:308792 )
• transient expansion of B cells in absence or presence of added mitogens in vitro

immune system
increased B cell proliferation ( J:308792 )
• transient expansion of B cells in absence or presence of added mitogens in vitro

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
01/06/2026
MGI 6.24 		The Jackson Laboratory