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Augmentation of pokeweed mitogen-induced immunoglobulin production by cord T-cell supernatants
Adult mononuclear cells were stimulated with pokeweed mitogen (PWM) in the presence of supernatants from cord T cells which had been previously stimulated with PWM for 24 h. Increased IgM, IgG and IgA production, as measured by ELISA, was observed with the addition of increasing concentrations of cord T-cell supernatants. The most significant increase in immunoglobulin production was observed with IgM (p less than 0.001). Cord T lymphocytes appear to be capable of producing soluble helper factors which augment immunoglobulin production by adult lymphocytes.
Adult mononuclear cells were stimulated with pokeweed mitogen (PWM) in the presence of supernatants from cord T cells which had been previously stimulated with PWM for 24 h. Increased IgM, IgG and IgA production, as measured by ELISA, was observed with the addition of increasing concentrations of cord T-cell supernatants. The most significant increase in immunoglobulin production was observed with IgM (p less than 0.001). Cord T lymphocytes appear to be capable of producing soluble helper factors which augment immunoglobulin production by adult lymphocytes.