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Immunology Exam 1
Ch 1-6
32
Science
Undergraduate 4
02/24/2009

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Term
MHC II are in _______ cells and are recognized by ___+ T cells and protect against _________ pathogens
Definition
Immune Cells, CD4, extracellular.
Has 2 transmembranes
Term
MHC I are in _______ cells and are recognized by ___+ T cells and protect against __________ pathogens
Definition
All cells, CD8, intracellular.
Contains B microglobulin and one transmembrane
Term
Primary lymphoid organs
Definition
Thymus and bone marrow
Term
Secondary Lymphoid organs
Definition
Spleen and lymph nodes
Term
Tertiary lymphoid organs
Definition
MALT, GALT, SALT
Term
Flow of lymph starting at capillaries
Definition
Capillarie -> interstitial fluid -> lymph vessels -> afferent lymph vessel -> lymph node -> efferent lymph vessel -> lymphatic trunk -> thoracic duct -> vena cava
Term
Classicial pathway initiation
Definition
Antigen/antibody complexes
IgM
Term
MBL pathway initiation
Definition
Lectin binding to pathogen surface
Term
Alternative pathway initiation
Definition
Pathogen surface
Term
IL-2
Definition
Hematopoietin, activates T cells, proliferates
Term
IL-4
Definition
Hematopoietin, B cell activation
Term
IFN A,B,G
Definition
Interferon, increase MHC I, digest dsRNA
Term
TNF
Definition
Tumor necrosis factor, leukocyte recruit, fever
Term
Fas-ligand
Definition
tumor necrosis factor, kills cells
Term
IL-10
Definition
Macrophage inhibition
Term
IL-12
Definition
NK stimulation
Term
CXCL8
Definition
chemokine, neutrophil recruitment
Term
IL-1
Definition
leukocyte recruitment
Term
Pleiotropy
Definition
when a single gene influences several phenotypic traits
Term
Synergism
Definition
when multiple genes does what a single gene could not
Term
Pro-inflammatory cytokines
Definition
IL-1, IL-6, TNF, LTB, IL-12, IFN
Term
Anti-inflammatory cytokines
Definition
IL-10, TGFB
Term
IgG
Definition
2 constant domains, 70% in blood
Term
IgA
Definition
3 constant domains, 2nd most common, dimeric form, sweat, milk
Term
IgD
Definition
3 constant domains, co expressed with IgM, located on naive B cells
Term
IgE
Definition
4 constant domains, rare in blood, allergies, anti-helmenthic, mast cells
Term
IgM
Definition
4 constant domains, pentameric form, located on naive B cells
Term
CD4
Definition
Associate with MHC II, regulatory cells, tall with 4 domains and 1 transmembrane
Term
CD8
Definition
Associate with MHC I, killer cells, primarily recognize virally infected cells, small with 2 side-by-side domains and 2 transmembranes
Term
Endogenous Pathway
Definition
MHC I, degradation occurs in cytosol, CD8,
Term
Exogenous Pathway
Definition
MHC II, CD4, degradation occurs in endocytic vesicles,
Term
But Everybody Must Like Nancy
Definition
Basophils < Eosinophils < Monocytes < Lymphocytes < Neutrophils
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