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DNA- and amino acid-based antigen presentation. Th2-biased (antibody-mediated) and Th1-biased (cell-mediated) responses, depending on the context of antigen presentation. [197] (APC, antigen-presenting cell; CTL, cytotoxic T lymphocyte; IFN, interferon; Ig, immunoglobulin; IL, interleukin; MHC, major histocompatibility complex; TCR, T cell receptor; Th, T helper cell; TNF, tumor necrosis factor).
