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Phenotypes Associated with This Genotype
Genotype
MGI:3800476
Allelic
Composition
Ightm1Rbr/Igh+
Tg(IgkHyHEL10)1Rbr/0
Tg(ML5sHEL)5Ccg/0
Genetic
Background
involves: C57BL/6 * C57BL/6JSfd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ightm1Rbr mutation (4 available); any Igh mutation (47 available)
Tg(IgkHyHEL10)1Rbr mutation (4 available)
Tg(ML5sHEL)5Ccg mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• there is a 2-fold reduction in the number of HEL-specific B cells found in the spleen
• HEL-specific B cells in the spleen have mostly have an immature phenotype
• few HEL-specific B cells in the spleen are found in the follicular region or have surface markers indicative of follicular B cells
• very few HEL-specific B cells in the spleen are found in the marginal zone or have surface markers indicative of the marginal zone phenotype

immune system
• there is a 2-fold reduction in the number of HEL-specific B cells found in the spleen
• HEL-specific B cells in the spleen have mostly have an immature phenotype
• few HEL-specific B cells in the spleen are found in the follicular region or have surface markers indicative of follicular B cells
• very few HEL-specific B cells in the spleen are found in the marginal zone or have surface markers indicative of the marginal zone phenotype
• B cells are anergic when stimulated with HEL antigen as determined by reduced antibody production, no upregulation of activation markers CD69 and CD86, and failure to increase size
• these anergic B cells have a short half-life of less than three days
• however, these anergic B cells can proliferate in response to BCR-independent activation


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
03/31/2026
MGI 6.24
The Jackson Laboratory