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. 1975 Sep;29(3):477–486.

Age-dependent changes in the relative affinity of anti-dinitrophenyl antibodies in mice.

S Marshall-Clarke, J H Playfair
PMCID: PMC1445974  PMID: 1100520

Abstract

The affinity of anti-DNP antibodies produced by mice of various ages has been studied at the cellular level by the plaque inhibition technique. The affinity of PFC produced shortly after a single injection of antigen was found to increase during the first 6 weeks of life. The responses of 1- and 2-week-old animals also showed apparently restricted heterogeneity. The difference in the affinity of anti-DNP--PFC between young and adult mice could not be attributed to different (serum) levels of antigen or to differences in the rate of maturation of affinity during the immune response. Cell transfer experiments suggested that the age-dependent increase was due to a change in the population of antibody-forming (B) cell precursors and not to a progressive improvement of T-cell function. This findings is interpreted as favouring somatic mutation theories of antibody diversity.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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