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. 1986 Dec;59(4):485–489.

Immunoglobulin production of human lymphocytes stimulated by Staphylococcus aureus Cowan I and pokeweed mitogen: differential effects of recombinant interleukin-2.

J Pryjma, H D Flad, M Ernst, E Brandt, A J Ulmer
PMCID: PMC1453328  PMID: 2948904

Abstract

The number of immunoglobulin-secreting cells (ISC) upon stimulation with pokeweed mitogen (PWM) or Staphylococcus aureus Cowan I (SAC) in recombinant interleukin-2 (rIL-2)-supplemented cultures of human peripheral blood mononuclear cells (PBMC) and co-cultures of B and T cells was studied. It has been shown that the addition of rIL-2 to culture can enhance or depress the number of ISC depending on the polyclonal B-cell activator used for culture stimulation. The SAC-induced response was enhanced in the presence of rIL-2, while the number of ISC in PWM-stimulated cultures was depressed. Moreover, in cultures stimulated simultaneously by both activators, the suppressive effect of rIL-2 prevailed, indicating that the reported direct effect of the lymphokine on SAC-activated B cells cannot overcome the suppressive activity of PWM-induced suppressor T cells. rIL-2 could not activate suppressor T cells in the absence of PWM, and has no effect on the number of helper or suppressor cells in the culture.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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