BIO 207 - Exam 3 Study Guide

BIO 207 - Exam 3 Study Guide - BIO 207 Exam 3 Study Guide...

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BIO 207 Exam 3 Study Guide Innate (Nonspecific) Immunity Includes: A. Barriers to entry: B. Phagocytosis: C. Protective proteins such as interferon: D. Fever: [body temp is regulated by the hypothalamus] - Fever is produced by the response to the chemical ENDOGENOUS PYROGEN. - Which is a cytokine secreted by Leukocytes and then by the brain itself - Induces sleepiness & fall in plasma iron concentration - PAMPs: Talked about PAMPs in class - peptidiglycan (Gram (+) Bacteria) - lipopolysaccarides [LIPID A] (Gram (-) Bacteria)
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Innate Immune System cells ( like Macrophages & Dendritic Cells) have Toll-like receptors that recognize PAMPs . [ 10 known Toll-like receptors ] Macrophages and dendrtic cells’ toll-like receptors are stimulated by LPS on Gram (-) Bacteria and release cytokines (regulatory molecules) - Phagocytosis: - Chemotaxis: - Pyrogens: Chemicals that activate fever response. The hypothalamus is the thermocontrol center in the body. Pyrogens are
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BIO 207 - Exam 3 Study Guide - BIO 207 Exam 3 Study Guide...

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