Hypersensitivity (Type III) Hypersensitivity (Type IV) Huan-Yao Lei, Ph.D. Department of Microbiology & Immunology College of Medicine National Cheng Kung University
Hypersensitivity ( ) Jianzhong Chen Institute of Immunology Zhejiang University School Of Medicine chenjianzhong@zju.edu.cn Type II hypersensitivity ...
Cuatro tipos de hipersensibilidad seg n el tipo de respuesta ... comienzo minutos despu s de la exposici n al ant geno ... incidence decreases after ...
Type III Arthus or Immune complex. Type IV Delayed hypersensitivity ... House dust : mite - Pollen - Animal dander - Microorganisms - Serum protein/Animal protein ...
'Non-specific coordinated response by vascularized living tissue to injury' ... May be due to bee, wasp or ant stings, drugs (penicillin) or food (nuts) 17. Mast Cell ...
Hypersensitivity reactions Hypersensitivity reactions excessive undesirable (damaging, discomfort producing and sometimes fatal) reactions produced by the normal ...
Dentin Hypersensitivity Zhang Qi Wuhan University School of Stomatology Introduction Definition: Characteristic Stimuli Etiology Two phases of development of dentin ...
Hypersensitivity and Autoimmunity * Type IV hypersensitivity the three forms Patch testing for contact hypersensitivity Summary or hypersensitivity reactions ...
Cytotoxic Hypersensitivity (Type II) Type II Cytotoxic hypersensitivity Reaction time is minutes to hours mediated by antibodies of IgM or IgG class and complement ...
Type I hypersensitivity Immediate IgE mediated Localized ... peanuts and penicillins Type II hypersensitivity Cytotoxic Transfusion reactions Hemolytic ...
Topics Type III hypersensitivity Type IV hypersensitivity Type III hypersensitivity Immune complex mediated Activates complement Inflammation Type IV ...
The reaction may take 3 - 10 hours after exposure to the antigen (as ... endogenous (non-organ specific autoimmunity: e.g., systemic lupus erythematosus, SLE) ...
Automobile, train, bicycle. Mobile telephone (GSM, C2000) Power tools ... Exploitation of pool of instruments for renting. Website www.electroallergie.org ...
Type I Hypersensitivity Definition of Hypersensitivity An immunologic reaction which produces tissue damage on reexposure to antigen. Gell and Coombs Classification ...
Types of hypersensitivity diseases The type of immune response and immunologic mechanisms that causes tissue injury The nature and location of the antigen that is the ...
Chapter 15 Hypersensitivity Reactions Mast cell Although the word hypersensitivity implies an increased response, the immune response of a hypersensitivity ...
... radioallergosorbent expensive considered as accurate as food challenges they are considered a very safe way to test for food ... Biogenic amines ...
Allergy and Hypersensitivity I. Introduction A. Definitions Allergy Immune-mediated response to innocuous environmental antigen Can be humoral or cell-mediated ...
Differentiate CD4 helper cell to TH1 cell. Induces IFN ? secretion by T cells & NK cell ... molecules (B7-1) & secretion of IL-12 to generate TH1 T cells ...
Types of hypersensitivity diseases The type of immune response and immunologic mechanisms that causes tissue injury The nature and location of the antigen that is the ...
Early IL-4 response promotes Th2 development that drives B cell class switching to IgE ... on hand of patient with poison ivy contact dermatitis (a type IV reaction) ...
Hypersensitivity Types II-V Type II: Cytotoxic (ITH) Type III: Toxic Complex (ITH) Type IV: T Cell-Mediated (DTH) Type V: Stimulatory Cytotoxic Hypersensitivity (Type ...
SEQUENCE OF SPECIFIC PHYSIOLOGICAL BEHAVIORS. THAT OCCUR IN ... A. LABILE Capable of lifelong regeneration. B. STABLE Tissue can regenerate when stimulated ...
Localized: Hives or asthma from contact or inhaled antigens ... Involve IgG or IgM antibodies and complement ... Drug-induced Thrombocytopenic Purpura. Figure 19.5 ...
Most common allergies: Asthma prevalence: 7% of population. Atopic ... Cause of increasing prevalence of allergies. Hygiene hypothesis. Shift from Th1 to Th2 ...
Type II Hypersensitivity: Antibody-mediated cytotoxicity Results when Ig or IgM bind to cell surface Ag s Activating Complement Binding Fc receptors on Tc cells ...
Introduction to Lab Ex. 24: Hypersensitivity Response to antigens (allergens) leading to damage Require sensitizing dose(s) Type I (Anaphylactic) Reactions Involve ...
Alpha, beta and gamma chains. Alpha chain. Two Ig like domains; extracellular. Gamma chain. Homodimer; two intracytoplasmic tails ... Fc gamma RIII receptors ...
After the exposure ceases the reaction disappeares in 3-4 months. ... Symptoms mild to severe, ceasing when no exposure. Symptoms milder than in allergic alveolitis ...
IgG and IgM based immunopathological reaction (reaction of hypersensitivity type II). = antibody-dependent antibodies produced by the immune response bind to antigens ...
... Anti-Sm or antiphospholipid antibodies Antinuclear antibody Systemic Sclerosis A seronegative spondyloarthropathy because of lack of rheumatoid factor a ...