'Tc cells' diaporamas de présentation

IMMUNOLOGY Lecture 3

IMMUNOLOGY Lecture 3. Jennifer E. Woodward, PhD E1545 Biomedical Science Tower 200 Lothrop Street 412-648-3926 woodwardje@upmc.edu. Outline. Day 3 Cell-mediated immune responses and effector mechanisms Humoral immune responses and effector mechanisms. Cell-Mediated Immune Responses.

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Human Immune Responses

Human Immune Responses. www.user.gwdg.de/~hbruegg/ct/start.htm. What is a pathogen?. Any disease -producing agent. Non-cellular agents Prions, viruses, viroids Cellular agents Bacteria, eukaryotes. http://kenyonfarrow.com/tag/african-americans/.

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The Immune System

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Immune System Disorders

Immune System Disorders. What is an allergy anyway?. Hypersensitivity Reactions. Response to antigens (allergens) leading to damage Require sensitizing dose(s). Type I (Anaphylactic) Reactions. Involve IgE antibodies Localized: Hives or asthma from contact or inhaled antigens

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Hypersensitivity

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Specific Resistance = Immunity

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Specific Resistance = Immunity

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T-cells, Regulation & Tolerance From Chapter 8 Sections A and C only

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CELL-MEDIATED IMMUNITY

CELL-MEDIATED IMMUNITY. Antigen presentation Formation of viral proteins by macrophage Formation of antigen-MHC complex. T H cell activation Binding of T H cell to antigen-MHC complex Release of cytokines from macrophage Activation of T H cell to release cytokines.

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Humoral Immunity: B Cells

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