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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kataoka, T. Nishi, M. Honjo, T. |
| Abstract | The V kappa-KpnI family, which constitutes approximately equal to 36% of mouse kappa chain variable region gene (V kappa) segments, conserves the Kpn I site (G-G-T-A-C-C) at the position corresponding to residues 35-37. Using this cleavage site, we were able to assess the relative recombination frequency of the kappa chain joining region gene (J kappa) segments in mouse spleen DNA. The J kappa 1 and J kappa 2 segments were used 2- to 5-fold more frequently than were the J kappa 4 and J kappa 5 segments. The J kappa 3 segment was shown to be incapable of recombining with the V kappa segment. The relative recombination frequency of the J kappa segments did not change significantly by lipopolysaccharide stimulation of normal mouse spleens. The relative frequency of the J kappa usage was unaltered in immune disorders such as in nude (nu/nu), MRL (lpr/lpr), and BXSB mice. Seven V kappa-KpnI-J kappa 1 clones were isolated, and their nucleotide sequences were determined. Two of them were derived from the identical germ-line V kappa segment but differed in the nucleotide sequence of the V-J junction. The maximal number of V kappa germ-line segments was estimated to be less than 300 by statistical calculation. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 19 |
| Volume Number | 82 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1985-10-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Immunoglobulin Variable Region Genetics Immunoglobulin Kappa-Chains Animals Antibody Diversity Autoimmune Diseases Immunology Veterinary DNA Liver Mice Mice, Inbred BALB C Mice, Mutant Strains Recombinant Proteins Rodent Diseases Spleen Research Support, Non-U.S. Gov't Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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