Abstract
Increasing data have shown that IFN-γ, IL-10, and TGF-β-modulated dendritic cells (DC) provide a promising strategy in treatment of experimental allergic encephalomyelitis and experimental autoimmune myasthenia gravis through different manner. To explore the immune response status after long-term application of these cytokine-modulated-DC, Lewis rats were injected subcutaneously into naive DC and IFN-γ, IL-10, and TGF-β-modulated DC (i.e., IFN-γ-DC, IL-10-DC, and TGF-β-DC) at does of 1 × 106 cells/rat every month for continuous 18 months, respectively. No rats suffered from decreased vigor and activity as well as cachectic condition during 18-month observation, and no rats had body-weight loss after 18-month treatment. Exploratory laparectomy did not find any tumor in all rats. IL-10-DC and TGF-β-DC resulted in lower nonspecific (Con A-induced) and antigen specific (ovalbumin-stimulated) spleen mononuclear cells proliferation, accompanied by lower levels of IFN-γ, IL-10, and TNF-α. On the contrary, IFN-γ-DC did not suppress cell proliferation and IFN-γ and IL-10 production except only slightly decreased TNF-α levels. These results suggest that IFN-γ-DC seems to be a more ideal candidate in the treatment of autoimmune diseases without suppressing immune response.
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DUAN, RS., LINK, H. & XIAO, BG. Long-Term Effects of IFN-γ, IL-10, and TGF-β-Modulated Dendritic Cells on Immune Response in Lewis Rats. J Clin Immunol 25, 50–56 (2005). https://doi.org/10.1007/s10875-005-0357-4
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DOI: https://doi.org/10.1007/s10875-005-0357-4