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Ontogeny of the antibody-forming cell line in mice. II. Maturation of B cells during fetal development
This paper maps the developmental stage reached by B cells in mouse fetuses of different ages. The "maturity" of these cells was assessed in a functional way by measuring the time taken for cells to generate antibody-forming progeny when injected into carrier-primed irradiated adult hosts and challenged daily with antigen. A steady uninterrupted progression in development of B cells occurred between 13 days of gestation and birth. There was no evidence for a stage during which B cells could only be paralyzed and not induced by antigen.
This paper maps the developmental stage reached by B cells in mouse fetuses of different ages. The "maturity" of these cells was assessed in a functional way by measuring the time taken for cells to generate antibody-forming progeny when injected into carrier-primed irradiated adult hosts and challenged daily with antigen. A steady uninterrupted progression in development of B cells occurred between 13 days of gestation and birth. There was no evidence for a stage during which B cells could only be paralyzed and not induced by antigen.