Permachart - Marketing Reference Guide: Antigen-Presenting Cell, Memory T Cell, Clonal Deletion

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3 Jun 2015
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Innate (nonspecific) immunity: innate immunity has seven main protective mechanisms that function without prior exposure to a harmful agent. Such as interferon (inhibits viral replication) and complement proteins (promote bacterial destruction and other effects of inflammation) Produced by endogenous pyrogens secreted by leukocytes and other cells, and serves to intensify the action of interferon, inhibit microbial growth, and enhance tissue repair. Natural killer destroy a variety of microbes and certain tumor. Traps bacteria and other foreign material cells through direct contact. Antigen presenting cells (apcs) found in t cell area of lymphoid tissues particularly important for initiation of the adaptive immune response. B cells and secrete large amounts of antibodies (up to 2000 per second: all cells in a clone of plasma cells secrete identical antibodies because they are descended from the same b cell. Lymphocytes which mature in the thymus and act in humoral and cell-mediated immunity after being presented with a foreign antigen,

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