About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Igh-Jtm2.1(4E10)Lave
targeted mutation 2.1, Laurent Verkoczy
MGI:5550246
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Igh-Jtm2.1(4E10)Lave/Igh-Jtm2.1(4E10)Lave involves: C57BL/6 MGI:5550249
cx2
Igh-Jtm2.1(4E10)Lave/Igh-Jtm2.1(4E10)Lave
Igk-Jtm2.1(4E10)Lave/Igk-Jtm2.1(4E10)Lave
involves: C57BL/6 MGI:5550252


Genotype
MGI:5550249
hm1
Allelic
Composition
Igh-Jtm2.1(4E10)Lave/Igh-Jtm2.1(4E10)Lave
Genetic
Background
involves: C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igh-Jtm2.1(4E10)Lave mutation (0 available); any Igh-J mutation (13 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• B cell development is blocked at the small pre-B to immature B transition

hematopoietic system
• B cell development is blocked at the small pre-B to immature B transition




Genotype
MGI:5550252
cx2
Allelic
Composition
Igh-Jtm2.1(4E10)Lave/Igh-Jtm2.1(4E10)Lave
Igk-Jtm2.1(4E10)Lave/Igk-Jtm2.1(4E10)Lave
Genetic
Background
involves: C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igh-Jtm2.1(4E10)Lave mutation (0 available); any Igh-J mutation (13 available)
Igk-Jtm2.1(4E10)Lave mutation (0 available); any Igk-J mutation (11 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• modest blockage at the pro/large pre-B to small pre-B transition
• B cell development is blocked at the small pre-B to immature B transition
• B cells exhibit elevated basal activation and muted response to BCR ligation

hematopoietic system
• modest blockage at the pro/large pre-B to small pre-B transition
• B cell development is blocked at the small pre-B to immature B transition
• B cells exhibit elevated basal activation and muted response to BCR ligation





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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
10/22/2024
MGI 6.24
The Jackson Laboratory