Phenotypes Associated with This Genotype

Genotype
MGI:3852089

• Allelic Composition: Cd22^tm1Eac/Cd22⁺; Lyn^tm1Ard/Lyn⁺; Ptpn6^me-v/Ptpn6⁺; Tg(IghelMD4)4Ccg/0
• Genetic Background: involves: 129P2/OlaHsd * C57BL/6

• ♀: phenotype observed in females
• ♂: phenotype observed in males
• N: normal phenotype

immune system

abnormal B cell negative selection ( J:110531 )

• when mutant bone marrow is transferred to mice expressing hen egg lysozyme, B cell maturation is almost completely blocked at the immature B cell stage

abnormal mature B cell morphology ( J:110531 )

• surface expression of IgM is only 15% of controls

increased IgM level ( J:110531 )

• half the mice have a 15-fold increase in Hel-specific serum IgM

hematopoietic system

abnormal B cell negative selection ( J:110531 )

• when mutant bone marrow is transferred to mice expressing hen egg lysozyme, B cell maturation is almost completely blocked at the immature B cell stage

abnormal mature B cell morphology ( J:110531 )

• surface expression of IgM is only 15% of controls

increased IgM level ( J:110531 )

• half the mice have a 15-fold increase in Hel-specific serum IgM