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Phenotypes Associated with This Genotype
Genotype
MGI:3689075
Allelic
Composition
Cd74tm1Liz/Cd74tm1Liz
Genetic
Background
involves: 129S/SvEv * C57BL * C57BL/10 * C57BR
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cd74tm1Liz mutation (5 available); any Cd74 mutation (38 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• proliferative responses to intact protein antigens are reduced in mutants, but immunized mice challenged secondarily with OVA323-339 peptide show similar response to wild-type mice
• B cell maturation is defective
• higher percentages of immature B cells lacking surface IgD and CD23 expression
• dendritic cells show reduced class II surface expression in overnight culture compared to wild-type
• spleen cells from mice with an H-2k haplotype background effectively function as stimulators for allogeneic T cells, eliciting strong mixed lymphocyte responses

hematopoietic system
• proliferative responses to intact protein antigens are reduced in mutants, but immunized mice challenged secondarily with OVA323-339 peptide show similar response to wild-type mice
• B cell maturation is defective
• higher percentages of immature B cells lacking surface IgD and CD23 expression

cellular
• proliferative responses to intact protein antigens are reduced in mutants, but immunized mice challenged secondarily with OVA323-339 peptide show similar response to wild-type 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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last database update
03/18/2025
MGI 6.24
The Jackson Laboratory