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Updated: Aug 8, 2026

Isolation Protocol of Mouse Monocyte-derived Dendritic Cells and Their Subsequent In Vitro Activation with Tumor Immune Complexes
Published on: May 31, 2018
Stimulus-dependent production of cytokines and pterins by peripheral blood mononuclear cells
1Department of Immunology, Charing Cross and Westminster Medical School, Chelsea and Westminster Hospital, London, UK.
Abstract:
The cytokine profiles produced by peripheral blood mononuclear cell (PBMC) cultures were dependent upon the nature of the stimulus used. Powerful lymphocyte activators such as mitogens induced rapid cell proliferation together with the production of both inflammatory (IL-1 alpha, IL-1 beta, IL-6 and TNF alpha) and immune (IFN-gamma, TNF-alpha and TNF-beta) cytokines, and immune activation markers (soluble IL-2 receptor, neopterin and xanthopterin). Bacterial endotoxin failed to induce cell proliferation but resulted in the rapid production of inflammatory cytokines together with a short burst of IFN-gamma production, without the production of the other immune cytokines or activation markers. Alloantigen stimulation gave a typical immune cytokine and marker profile, with little or no production of inflammatory cytokines. Re-call antigens (candida and PPD) induced maximal cell proliferation at days 5 to 6, but induced little or no production of inflammatory cytokines. Markedly different immune cytokine profiles were obtained with these re-call antigens. Candida induced an early burst of IFN-gamma production on day 1 followed by later production of TNF-alpha. In cultures stimulated with PPD, both IFN-gamma and TNF-alpha were detected from day 2. With both re-call antigens, the levels of production of the activation markers were equivalent to the proliferative responses obtained.
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