IMMUNOLOGY Flashcards
Antigens shared by genetically identical twins are characterized as____
SYNGENEIC
antibodies are formed AFTER EXPOSURE to environmental agents
NATURALLY OCCURING
IMMUNOGENICITY is influenced by _____,____,____,_____,_____,&_________
foreigness
molecular size
chemical complexity
route, dosage & timing
ability of the antigen to induce antibody formation
Immunogenicity
tests performed in Paternity testing
HLA typing and DNA testing
Purified ____ cell is used for HLA class II typing
B cell
Purified ____ cell is used for HLA class I typing
T cell
anticoagulant used for HLA phenotyping, DNA & paternity testing
ACD
MHC Class with chain structure of alpha chain + B2-microglobulin
Class I
Cell distribution of MHC Class I
all nucleated cells
Cell distribution of MHC Class II
B cells, antigen presenting cells (APCs)
mitogen that activates B cells
Lipopolysaccharide
mitogen that activates T cells
Phytohemagglutinin, Concanavalin A
mitogen that activates B and T cells
Pokeweed mitogen
substance added to vaccine to enhance immune response
ADJUVANTS
IL-8 function
Inflammatory
induces fever, mediator of acute phase response
IL-1
Cytokines produced by NK cells and Activated T cells
Interferon-gamma
functions of cytokines
Immunoregulation
a test for chemotaxis
Boyden Chamber
STIMULATES leukocyte movement and attraction
Chemokines
CYTOKINES
1) chemokines
2) interferons
3) Interleukins
4) tumor necrosis factor
5) lymphotoxin
6) TGF
How are phagocytes able to interact with microorganisms DIRECTLY?
via PPRR or Primitive Pattern Recognition Receptors
passage of blood or any of its formed elements through an intact blood vessel
Diapedesis
Steps of Phagocytosis
TURGEON:
1) Chemotaxis, 2) Adherence, 3) Engulfment, 4) Phagosome formation, 5) Fusion, 6) Digestion & destruction
1) inititaion, 2) Chemotaxis, 3) Engulfment, 4) Digestion
what cell is treated with MYTOMYCIN C in mixed lymphocyte culture
Donor lymphocytes
how are monoclonal antibodies produced?
in vivo and in vitro
hybridomas are formed from
B cell / Plasma cell
major site of antibody production
Spleen
dendritic cell in epidermis
Langerhan cell
most potent antigen presenting cell
dendritic cell
macrophage found in the liver
Kupffer cell
resembles mast cell
basophil
protein released by eosinophils that are toxic to parasites
Major Basic Protein,
Eosinophilic Cationic Protein
Cells to be considered as homeostatic regulator of inflammation
Eosinophils