Innate responses
What are body surface linings examples of?
Anatomical barriers
Which cells secrete antibodies?
Plasma cells (derived from activated B cells)
What are the main cells involved in inflammation?
Neutrophils, macrophages, mast cells
Which cells secrete interleukins; also help convert B cells to plasma cells?
Helper T cells
Which cytokine primarily inhibits viral replication?
Type 1 interferon
Activity of which cells are stimulated by IL-2 and interferon-gamma?
Cytotoxic T cells, NK cells, and activated macrophages
Which cells have phagocytic activity?
Neutrophils; Macrophages; Monocytes; Dendritic cells; Mast cells; Eosinophils.
Which cells process and present antigen to cytotoxic T cells and helper T cells?
Macrophages
Name 3 cytokines that mediate the systemic effects of infections
Name two cytokines that stimulate helper T cells to secrete IL-2
IL-1 and TNF-a