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T cells involved in specific and nonspecific co-operation belong to a long-lived population. However, under conditions of limiting dilution of T cells it is not a common event to detect both types of co-operative event in a single microculture well. Likewise, as far as specific co-operation is concerned, the simultaneous expression of both direct and indirect PFC responses in a single microculture well is also unusual. Estimates obtained of the number of PFC generated by one T cell in specific co-operation correspond well to those generated by a single B cell; and it would seem that under conditions of the microculture system there is a marked restriction in the number of B cells that a single T cell may interact with in the short term. This restriction seems to be of a one T-cell to one B-cell relationship.

Type

Journal article

Journal

Immunology

Publication Date

09/1976

Volume

31

Pages

353 - 362

Keywords

Animals, Antibody-Producing Cells, Antilymphocyte Serum, B-Lymphocytes, Clone Cells, Hemolytic Plaque Technique, Mice, T-Lymphocytes, Thymectomy