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A Quasi-Monoclonal Mouse
Abstract
As a model for studying the generation of antibody diversity, a gene-targeted mouse was produced that is hemizygous for a rearranged V(D)J segment at the immunoglobulin (Ig) heavy chain locus, the other allele being nonfunctional. The mouse also has no functional kappa light chain allele. The heavy chain, when paired with any lambda light chain, is specific for the hapten (4-hydroxy-3-nitrophenyl) acetyl (NP). The primary repertoire of this quasi-monoclonal mouse is monospecific, but somatic hypermutation and secondary rearrangements change the specificity of 20 percent of the antigen receptors on B cells. The serum concentrations of the Ig isotypes are similar to those in nontransgenic littermates, but less than half of the serum IgM binds to NP, and none of the other isotypes do. Thus, neither network interactions nor random activation of a small fraction of the B cell population can account for serum Ig concentrations.
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Cited by
IgA Response to Symbiotic Bacteria as a Mediator of Gut Homeostasis
Peterson, D. A., McNulty, N. P., Guruge, J. L., & Gordon, J. I. (2007) · Cell Host & Microbe · doi:10.1016/j.chom.2007.09.013 · Cited by 828
Diversity in the CDR3 Region of VH Is Sufficient for Most Antibody Specificities
Xu, J. L., & Davis, M. M. (2000) · Immunity · doi:10.1016/s1074-7613(00)00006-6 · Cited by 779
Subcapsular encounter and complement-dependent transport of immune complexes by lymph node B cells
Phan, T. G., Grigorova, I., Okada, T., & Cyster, J. G. (2007) · Nature Immunology · doi:10.1038/ni1494 · Cited by 656
Formation and Repair of Interstrand Cross-Links in DNA
Noll, D. M., Mason, T. M., & Miller, P. S. (2006) · Chemical Reviews · doi:10.1021/cr040478b · Cited by 484
Phan, T. G., Green, J. A., Gray, E. E., Xu, Y., & Cyster, J. G. (2009) · Nature Immunology · doi:10.1038/ni.1745 · Cited by 425
Metadata
- Authors
- Cascalho, M., Ma, A., Lee, S., Masat, L., & Wabl, M.
- Venue
- Science
- Published
- 1996-06-14
- Volume
- 272
- Issue
- 5268
- Pages
- 1649-1652
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2025013345
- Cited by
- 196
- References
- 0
- FWCI
- 2.52
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cascalho, M., Ma, A., Lee, S., Masat, L., & Wabl, M. (1996). A Quasi-Monoclonal Mouse. Science. https://doi.org/10.1126/science.272.5268.1649
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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