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181 Cards in this Set
- Front
- Back
down regulates IL-12 which leads to down regulation of Th1 cytokines
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IL-10
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Amplification factor for Th17
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IL-21
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Down regulation of iNOS
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IL-10, IL-4, TGFbeta (BEST)
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induces fever
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IL-1 & TNF together
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enhances NADPH oxidase activity
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TNF, IFNgamma
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stimulates IFNgamma secretion from NK cells
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IL-12
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growth factor for T cells
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IL-2
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activation of eosinophils
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IL-5
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role in production of protective enzymes that interfere with viral replication
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IFN alpha/beta
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Important for myeloid and lymphoid pathways
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IL-3
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Secreted by Th17
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IL-17A, IL-17F, IL-21, IL-22
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shifts Th0 --> Th2
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IL-4
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isotype switching of IgE
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IL-4
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CRP secretion is stimulated by
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IL-6
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down regulates Type 1 cytokine secretions
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IL-4, IL-10
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chemotactic for eosinophils
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IL-5, Eotaxin (CCL11)
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enhances NK cell cytotoxicity
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IL-2
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secreted by macrophages
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cytokines: IL-1 + TNF, IL-6, IL-12, IL-23, CSF
chemokines:IL-8, MCP-1 |
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activates macrophage to secrete cytokines and chemokines
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IL-1 & TNF together
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role in pCTL--> CTL differentiation
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IL-2 & IFNgamma
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activates iNOS
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TNF, INFgamma
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Th0--> Th17 differentiation
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IL-6 & TGFbeta together
OR IL-21 & TGFbeta together |
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T cell development in thymus
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IL-7
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Prominflammatory
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IL-22
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Th0-->Th1 differentiation
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IFNgamma, IL-12
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de novo expression of ICAM-1, VCAM-1 and E-selectin
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IL-1 & TNF together
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Th17 cell inhibition
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IL-2
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inhibition of T cell proliferation
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IFNalpha/beta
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induce expression of metalloproteinases from macrophages
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IL-17A/F
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enhances expression of Class I MHC on nucleated cells or Class II MHC on APCs
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IFNgamma
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down regulates production of Th2 cytokines
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IFNgamma (directly),
IL-12 --> activates NK cells to secrete INFgamma (indirectly) |
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Th0--> a/I Tregs differentiation
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TGFbeta
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GM progenitor cell --> neutrophil
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G-CSF
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Molecular Interactions:
CD 2 |
LFA-3
effect is adhesion |
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increases expression of Class I MHC on nucleated cells
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IFNalpha/beta AND IFNgamma
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secreted from mast cells
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IL-4, IL-5
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secreted by NK cells
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IFNgamma
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secreted by dendritic cells
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IL-12, IL-23
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chemotactic for neutrophils
what is the other name for the chemokine? |
IL-17a, IL-8
CXCL8 |
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chemotactic for monocytes
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MCP-1 (CCL2)
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Molecular Interactions:
L-selectin has what effect? what cell is it expressed on? |
rolling (counter molecule depends)
T cell |
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Molecular Interactions:
on APC: ICAM-1, ICAM-2 list effect and counter molecule on T cell (has 2 names) |
firm adhesion
T cell: LFA-1 (CD11a & CD18) |
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Molecular Interactions:
P-selectin, list cell location and effect induced by? |
(counter molecule depends) Activated Vascular Epithelium
rolling histamine induced |
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Molecular Interactions:
E-selectin, list cell and effect Induced by? |
Activated Vascular Epithelium (APC)
Effect: rolling induced by: TNF & IL-1 |
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Molecular Interactions:
For the T cell: APC interaction below, what is the effect and what induces it? List the alternate name for LFA-1. LFA-1: ICAM-1 |
Firm Adhesion
induced by: TNF & IL-1 LFA-1= CD11a & CD18 |
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Molecular Interactions:
Mac-1 (integrin heterodimer) is on the T cell. List its alternate name, molecule(s) it interacts with and effect |
Mac -1 = CD11b & CD18
counter molecule: ICAM-1 effect: Firm Adhesion |
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Molecular Interactions:
PE-CAM interacts with what? What effect? |
PE-CAM
Adhesion for transmigration |
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Molecular Interactions:
CD40L (CD154) |
CD40
Isotype switching |
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Molecular Interactions:
CD28 |
CD 28 on T cell : CD80 & CD 86 (B7-1 & B7-2) - on APC
effect: Costimulation and enhanced transcription + stabilization of IL-2 |
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Molecular Interactions:
CD4 |
MHC Class II
costimulation |
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Molecular Interactions:
CD8 |
MHC Class I
costimulation |
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Molecular Interactions:
VLA-4 |
VCAM-1
Firm Adhesion |
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List the B cell stage:
Tolerance Induction |
Immature B cell
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List the B cell stage:
CD19 |
Pro B cell -->
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List the B cell stage:
Allelic exclusion |
Pre-B cell
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List the B cell stage:
Somatic recombination |
Pre-B cell
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List the B cell stage:
Alternative splicing |
Mature Naive B cell
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List the B cell stage:
TDT |
Pro- B cell
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List the B cell stage:
Somatic mutation |
Activated B cell
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List the B cell stage:
CD 20 |
Pre-B cell -->
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List the B cell stage:
BCR (sIgD) + (sIgM) |
Mature Naive B cell
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List the B cell stage:
CD 40 |
Mature naive B cell
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List the B cell stage:
Rag-1, Rag-2 |
Pro-B cell
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List the B cell stage:
Alternative Splicing |
Mature naive B cell
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List the B cell stage:
BCR (sIgM) |
Immature B cell
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List the B cell stage:
Affinity maturation |
Activated B cell
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List the B cell stage:
Isotype switching |
Activated B cell
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Complement:
S-protein |
MAC inhibitor (terminal pathway)
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Complement:
C5b,6,7,8,9 |
MAC complex
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Complement:
3a,5a |
anaphylatoxins-both pathways
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Complement:
Factor H |
regulator of Alternative Pathway (C3 convertase)
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Complement:
Properdin |
stabilizes C3 convertase (alternative pathway)
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Complement:
C3b |
generated from C3 in spontaneous tickover, important in both pathways (part of the C5 convertases)
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Complement:
Vitronectin |
MAC inhibitor (terminal pathway)
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Complement:
AI |
anaphylatoxin inhibitor (regulator of both pathways)
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Complement:
DAF |
decay accelerating factor (regulator of both pathways- C3 convertase)
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Complement:
Cleaves C3 |
C3 convertase (both pathways)
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Complement:
Factor B |
CBb (Alternative pathway)
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Complement:
C3bBb |
C3 convertase (Alternative pathway)
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Complement:
HRF |
homologous restriction factor- MAC inhibitor (Terminal pathway)
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Complement:
Factor D |
CBb (alternative pathway)
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Complement:
C4bp |
Factor I cofactor- regulator of Classical Pathway (C3 convertase)
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Complement:
Factor I |
regulator of both pathways (C3 covertase)
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Complement:
C4b2a |
C3 convertase (Classical Pathway)
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Complement:
CD59 |
MAC inhibitor (Terminal pathway)
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Complement:
C4b2a3b |
C5 covertase (classical pathway)
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Complement:
C1 INH |
prevents Classical Pathway activation
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Complement:
4a |
anaphylatoxin- classical pathway only
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Complement:
Ligand fragments- C3b, C4b receptor? cell type? function? |
binds to CR 1
phagocytes, erythrocytes Oposin mediated recognition, clearance of immune complexes |
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Complement:
ligand fragment- C3bi binds to what receptor? cell type? function? |
CR2
B lymphocytes possible mode of EBV infection |
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Complement:
C3a, C4a receptor? cell type? function? |
C3a/C4a-R
Mast cells, basophils Degranulation (histamine) |
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Complement:
C5a binds to which receptor? cell types? function? |
C5A-R
Mast cells, basophils, endothelial cells, phagocytes Increases vascular permeability, chemotaxis |
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Antibodies:
Activates Complement - Classical Pathway |
IgM (most efficient) IgG
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Antibodies:
Activate Complement- Alternative Pathway |
IgA
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Antibodies:
Mucosal immunity |
IgA
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Antibodies:
Pentamer form |
IgM
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Antibodies:
helminth infections |
IgE
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Antibodies:
Oposinization |
IgG
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Antibodies:
breast milk and colostrum |
IgA (high concentrations), IgG
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Antibodies:
FcepsilonR on mast cells, basophils |
IgE
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Antibodies:
J chain |
IgA, IgM
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Antibodies:
ADCC |
IgG
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Antibodies:
longest half life |
IgG
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Antibodies:
primary immune response- first one secreted |
IgM
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Antibodies:
crosses the placenta |
IgG
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Antibodies:
Isohemagglutinin |
IgM
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Antibodies:
immature naive B cells |
IgM
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Antibodies:
allergies |
IgE
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Antibodies:
neutralizes viruses and toxins |
IgG
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Name the cell:
NADPH |
phagocyte
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Name the cell:
Lysosomal enzymes |
phagocyte
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Name the cell:
CD2 |
T cell
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Name the cell:
CD3 |
T cell
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Name the cell:
Opsonin |
phagocyte
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Name the cell:
LFA-3 |
APC
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Name the cell:
ADCC |
NK cell
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Name the cell:
Major basic protein |
Eosinophil
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Name the cell:
ICAM-1 |
APC
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Name the cell:
Histamine |
Mast cell
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Name the cell:
Microbial port of entry |
M cell
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Name the cell:
CD28 |
T cell
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Name the cell:
Class II MHC |
APC
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Name the cell:
Inducible NO synthase |
phagocyte
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Name the cell:
CD 154 (CTLA-4) |
T cell
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Name the cell:
CD 8 |
T cell subset
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Name the cell:
IFN gamma receptors |
NK cell, phagocyte
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Name the cell:
CD 80 & 86 (B7-1 & B7-2) |
APC
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Name the cell:
Perforin |
NK cell
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Name the cell:
Reactive oxygen intermediate |
phagocyte
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Name the cell:
CD 40L |
T cell
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Name the cell:
kills virally infected cells |
NK cell
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Name the cell:
engulfs viruses when outside of cell |
phagocyte
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Name the cell:
CD11a |
T cell
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Name the cell:
CD 18 |
T cell
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Name the cell:
kills heminths |
Eosinophil
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Name the cell:
Fc epsilon receptor |
Mast cell, eosinophil
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Name the cell, counter cell, ligand and effect
CD 40 |
CD 40 (APC): CD 40L (T-cell)
effect- Isotype Switching |
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Name the cell:
engulfs bacteria outside of cell |
phagocyte
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Name the cell:
reactive oxygen intermediate |
phagocyte
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Complement:
C3b,Bb,3b |
5C convertase (alternative pathway)
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Complement:
C4b,2a |
3C convertase (classical pathway)
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T-Lymphocytes:
Name the pan marker |
CD2
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Lymphocyte Activation:
Low level LPS (lipopolysaccheride) generates what kind of immune response? Monoclonal, Polyclonal or Oligoclonal |
Monoclonal - Type I
(T independent antigen) --> IgM production |
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Lymphocyte Activation:
Superantigens (like Toxic Shock toxin 1) generate what kind of immune response? Monoclonal, Polyclonal or Oligoclonal |
Oligoclonal
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Lymphocyte Activation:
High concentration LPS (lipopolysaccheride) generates what kind of immune response? Monoclonal, Polyclonal or Oligoclonal |
Polyclonal (B cell)
NOTE: this only happens in labs, not in nature |
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Lymphocyte Activation:
Pneumococcal polysaccharide generates what kind of immune response? Monoclonal, Polyclonal or Oligoclonal |
Monoclonal Type 2
--> isotype switching possible |
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Lymphocyte Activation:
Lectins (Con A, PHA) generate what kind of immune response? Monoclonal, Polyclonal or Oligoclonal |
Polyclonal (T cell)
NOTE: this only happens in labs, not in nature |
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Lymphocyte Activation:
PWM (pokeweed mitogen) generates what kind of immune response? Monoclonal, Polyclonal or Oligoclonal |
Polyclonal (B or T cell)
NOTE: this only happens in labs, not in nature |
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T cell activation:
In the CD200:CD200R interaction, which molecule gets turned off? Which T cell expresses higher amounts of the above? CD4 or CD8 |
CD200R --> suppression of T cell mediated immune responses
Memory CD4+ T cells express a higher amount of the receptor than either CD4+ T naive or effector cells and also more than CD8 + T cells |
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Name the Type 1 cytokines
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IL-2, TNF, IFNgamma
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Name the Type 2 cytokines
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IL-4, IL-5, IL-6, IL-10, IL-13, TGFbeta
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Somatic Recombination is initiated by?
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RAG1, RAG2
(recombinating activating genes) |
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T lymphocytes:
chain names and composition? |
alpha chain: V,J
beta chain: V,D,J |
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B cells:
name the chain names and composition? |
light chains (2): V,J
heavy chains (2): V,D,J |
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MHC Complexes:
HLA (A,B,C) |
Class I MHC
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MHC Complexes:
Murines (K, D, L) |
Class I MHC
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MHC Complexes:
IFNgammaR |
Class II MHC
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MHC Complexes:
Beta2-microglobulin nonpolymorphic, on chromosome 15 |
Class I MHC
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MHC Complexes:
codominantly expressed |
Both Class I and Class II MHC
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MHC Complexes:
expressed only on APCs |
Class II MHC
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MHC Complexes:
HLA-DR10 |
Class II MHC
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MHC Complexes:
Ii (Invarient chain) |
Class II
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MHC Complexes:
Displays antigenic fragments destroyed by the proteosome |
Class I
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MHC Complexes:
Displays antigenic fragments destroyed within the phagolysome |
Class II
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MHC Complexes:
expressed on virtually all nucleated cells |
Class I
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MHC Complexes:
presents to CD4+ T cells |
Class II
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MHC Complexes:
presents to CD8+ T cells |
Class I
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MHC Complexes:
TAP (transporter of antigen binding) |
Class I
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MHC Complexes:
exogenous antigen processing, DM (another MHC encoded molecule) |
Class II
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MHC Complexes:
Virus that inhibits TAP-mediated translocation of peptides from cytosol into the ER |
Class I
HSV (herpes simplex virus) |
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MHC Complexes:
Virus that inhibits the activity of the proteasomes |
Class I
EBV (Ebstein Barr virus) |
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MHC Complexes:
Virus that hinders the expression of antigen peptide/MHC complex on the cell surface |
Class I
CMV (Cytomegaolvirus) |
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MHC Complexes:
Cells that express CD1 molecules as antigen presenting molecules |
Dendritic cells
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Name the cell:
Most efficient APC? |
Dendritic cell
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Name the cell:
Most sensitive APC? |
B cell (prevails when antigen is limited, only need small amount)
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Name the cell:
Antigen presenting cell during seconday immune response? |
Macrophage
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Name the cell:
expresses chemokine receptors CCR5 and/or CXCR4 |
Dendrites and Macrophages
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Name the cell:
nTregs |
CD4+, CD25+, FOXP3+
|
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Chemotactic for lymphocytes
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RANTES- regulated on activation, normal T cell expressed and secreted cytokine
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Molecular Interactions:
CD 80 & CD 86 (B7-1 & B7-2) are on the APC List TWO possible interactions and effects |
on T cell
CD 28 Effect: Co-stimulation and IL-2 stabilization -OR- CD 152 (CTLA-4) Effect: Down regulation of T cells |
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Stabilization of Th17
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IL-23
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