Modulation of Mouse Anti-Trinitrophenyl Plaque-Forming Cell Affinity by Adjuvants or Lectins
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概要
- 論文の詳細を見る
The effects of several kinds of adjuvants or lectins, such as Corynebacterium parvum, dextran, poly AU, poly IC, dibutyryl cAMP, concanavalin A (Con A), phytohemagglutinin (PHA) and pokeweed mitogen (PWM) on anti-trinitrophenyl (TNP) direct plaque-forming cells (PFC) in the spleen of mice and the affinity of antibodies produced by these PFC were examined. The numbers of anti-TNP PFC in the spleens of mice which had been injected with C. parvum 7 days in advance were greater than those in controls after immunization with TNP-coupled heterologous erythrocytes, while the affinity of antibodies released by these PFC was not affected. On the contrary, simultaneous injection of dextran with TNP-erythrocytes did not increase the numbers of splenic anti-TNP PFC, but height-ened the affinity of antibodies released by these PFC. Copolymers of nucleotides, poly AU and poly IC, were capable of enhancing splenic anti-TNP PFC responses, but showed almost no altering of PFC affinity. Dibutyryl cAMP did not have any effect on this system. Con A had potencies to both augment the number of anti-TNP PFC and heighten the PFC affinity, while PHA seemed to lack these potencies. Injection of PWM in the presence of antigen increased the number of anti-TNP PFC and heightened slightly the PFC affinity. These results indicate that the heightening of the affinity at the cellular level is regulated in ways different from the augmenting effects on the number of anti-TNP PFC by adjuvants or lectins. These results are discussed in the light of the mode of action of the substances used.
- 財団法人 学会誌刊行センターの論文
著者
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KUMAZAWA Yoshio
Department of Bioscience, School of Science and Graduate School of Fundamental Life Science, Kitasat
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Saito Tatsuo
Department Of Applied Physics Tokai University
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Nakano Masayasu
Department Of Microbiology Jichi Medical School
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KUMAZAWA Yoshio
Department of Microbiology, Jichi Medical School
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