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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Köhler, G. Forni, L. Coutinho, A. Jerne, N. K. |
| Abstract | Injection in normal mice of IgM antibodies against sheep erythrocytes or dextran, in the form of an immune serum depleted og IgG, induces direct plaque-forming cells of the same specificity as the injected antibodies. The response is 10--70 times higher than the background plaque-forming cell titer of untreated control mice. Nanogram amounts of IgM induce a detectable response, and a ceiling is reached with a few hundred nanograms of monoclonal IgM. The inducing agent is not residual antigen: (i) treatment of the injected material and the recipients with dextranase abolishes the immunogenicity of dextran, but not the response to anti-dextran IgM; (ii) monoclonal IgM specific for sheep erythrocytes or trinitrophenyl likewise induces plaque-forming cells of the respective specificity, but variant hybridoma products (in which the light chain is that of the myeloma parent) are inactive. In normal mice, IgM-induced antibody responses were observed with antibodies to both thymus-dependent and thymus-independent antigens, but such could not be induced in athymic (nude) mice. Because the mechanism underlying this phenomenon would operate also in a normal immune response and, presumably, in the normal dynamic state of the immune system of unstimulated animals, a network regulation among the elements of the immune system itself is implied. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 2 |
| Volume Number | 77 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1980-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Antibody Formation Antibody Specificity Immunoglobulin M Immunology Animals Clone Cells Dextrans Erythrocytes Immunization Immunoglobulin G Mice Phosphorylcholine Trinitrobenzenes Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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