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Phenotypes Associated with This Genotype
Genotype
MGI:3688724
Allelic
Composition		 Cd19tm1(cre)Cgn/Cd19+
Spi1tm2Dgt/Spi1tm2Dgt
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cd19tm1(cre)Cgn mutation (12 available); any Cd19 mutation (57 available)
Spi1tm2Dgt mutation (1 available); any Spi1 mutation (30 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
hematopoietic system phenotype ( J:114150 )
N
• mice have normal numbers of pre-B cells and mature B cells in the bone marrow
• B cells from the spleen show significant proliferative responses to mitogenic agents

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