Abstract
It has been demonstrated that media derived from cultures of human monocytes can stimulate the IgM and IgG anti-sheep erythrocyte response of normal or T celldeficient murine splenocytes in vitro. This culture fluid also causes a slight stimulation in the rate of B cell division and in the number of antibody-secreting cells occurring in the absence of added antigen. The active factors, which are released from the monocytes during the first 2 days of culture, appear to affect the murine B cells throughout the culture period.
- Received November 13, 1974.
- Copyright © 1975 by The American Association of Immunologists, Inc.
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