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181 Cards in this Set

  • Front
  • Back
down regulates IL-12 which leads to down regulation of Th1 cytokines
IL-10
Amplification factor for Th17
IL-21
Down regulation of iNOS
IL-10, IL-4, TGFbeta (BEST)
induces fever
IL-1 & TNF together
enhances NADPH oxidase activity
TNF, IFNgamma
stimulates IFNgamma secretion from NK cells
IL-12
growth factor for T cells
IL-2
activation of eosinophils
IL-5
role in production of protective enzymes that interfere with viral replication
IFN alpha/beta
Important for myeloid and lymphoid pathways
IL-3
Secreted by Th17
IL-17A, IL-17F, IL-21, IL-22
shifts Th0 --> Th2
IL-4
isotype switching of IgE
IL-4
CRP secretion is stimulated by
IL-6
down regulates Type 1 cytokine secretions
IL-4, IL-10
chemotactic for eosinophils
IL-5, Eotaxin (CCL11)
enhances NK cell cytotoxicity
IL-2
secreted by macrophages
cytokines: IL-1 + TNF, IL-6, IL-12, IL-23, CSF
chemokines:IL-8, MCP-1
activates macrophage to secrete cytokines and chemokines
IL-1 & TNF together
role in pCTL--> CTL differentiation
IL-2 & IFNgamma
activates iNOS
TNF, INFgamma
Th0--> Th17 differentiation
IL-6 & TGFbeta together
OR
IL-21 & TGFbeta together
T cell development in thymus
IL-7
Prominflammatory
IL-22
Th0-->Th1 differentiation
IFNgamma, IL-12
de novo expression of ICAM-1, VCAM-1 and E-selectin
IL-1 & TNF together
Th17 cell inhibition
IL-2
inhibition of T cell proliferation
IFNalpha/beta
induce expression of metalloproteinases from macrophages
IL-17A/F
enhances expression of Class I MHC on nucleated cells or Class II MHC on APCs
IFNgamma
down regulates production of Th2 cytokines
IFNgamma (directly),
IL-12 --> activates NK cells to secrete INFgamma (indirectly)
Th0--> a/I Tregs differentiation
TGFbeta
GM progenitor cell --> neutrophil
G-CSF
Molecular Interactions:
CD 2
LFA-3

effect is adhesion
increases expression of Class I MHC on nucleated cells
IFNalpha/beta AND IFNgamma
secreted from mast cells
IL-4, IL-5
secreted by NK cells
IFNgamma
secreted by dendritic cells
IL-12, IL-23
chemotactic for neutrophils
what is the other name for the chemokine?
IL-17a, IL-8

CXCL8
chemotactic for monocytes
MCP-1 (CCL2)
Molecular Interactions:

L-selectin has what effect?
what cell is it expressed on?
rolling (counter molecule depends)
T cell
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)
Molecular Interactions:

P-selectin, list cell location and effect

induced by?
(counter molecule depends) Activated Vascular Epithelium
rolling

histamine induced
Molecular Interactions:

E-selectin, list cell and effect
Induced by?
Activated Vascular Epithelium (APC)
Effect: rolling
induced by: TNF & IL-1
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
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
Molecular Interactions:
PE-CAM interacts with what? What effect?
PE-CAM
Adhesion for transmigration
Molecular Interactions:

CD40L (CD154)
CD40
Isotype switching
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
Molecular Interactions:
CD4
MHC Class II
costimulation
Molecular Interactions:
CD8
MHC Class I
costimulation
Molecular Interactions:
VLA-4
VCAM-1
Firm Adhesion
List the B cell stage:
Tolerance Induction
Immature B cell
List the B cell stage:
CD19
Pro B cell -->
List the B cell stage:
Allelic exclusion
Pre-B cell
List the B cell stage:
Somatic recombination
Pre-B cell
List the B cell stage:
Alternative splicing
Mature Naive B cell
List the B cell stage:
TDT
Pro- B cell
List the B cell stage:
Somatic mutation
Activated B cell
List the B cell stage:
CD 20
Pre-B cell -->
List the B cell stage:
BCR (sIgD) + (sIgM)
Mature Naive B cell
List the B cell stage:
CD 40
Mature naive B cell
List the B cell stage:
Rag-1, Rag-2
Pro-B cell
List the B cell stage:
Alternative Splicing
Mature naive B cell
List the B cell stage:
BCR (sIgM)
Immature B cell
List the B cell stage:
Affinity maturation
Activated B cell
List the B cell stage:
Isotype switching
Activated B cell
Complement:
S-protein
MAC inhibitor (terminal pathway)
Complement:
C5b,6,7,8,9
MAC complex
Complement:
3a,5a
anaphylatoxins-both pathways
Complement:
Factor H
regulator of Alternative Pathway (C3 convertase)
Complement:
Properdin
stabilizes C3 convertase (alternative pathway)
Complement:
C3b
generated from C3 in spontaneous tickover, important in both pathways (part of the C5 convertases)
Complement:
Vitronectin
MAC inhibitor (terminal pathway)
Complement:
AI
anaphylatoxin inhibitor (regulator of both pathways)
Complement:
DAF
decay accelerating factor (regulator of both pathways- C3 convertase)
Complement:
Cleaves C3
C3 convertase (both pathways)
Complement:
Factor B
CBb (Alternative pathway)
Complement:
C3bBb
C3 convertase (Alternative pathway)
Complement:
HRF
homologous restriction factor- MAC inhibitor (Terminal pathway)
Complement:
Factor D
CBb (alternative pathway)
Complement:
C4bp
Factor I cofactor- regulator of Classical Pathway (C3 convertase)
Complement:
Factor I
regulator of both pathways (C3 covertase)
Complement:
C4b2a
C3 convertase (Classical Pathway)
Complement:
CD59
MAC inhibitor (Terminal pathway)
Complement:
C4b2a3b
C5 covertase (classical pathway)
Complement:
C1 INH
prevents Classical Pathway activation
Complement:
4a
anaphylatoxin- classical pathway only
Complement:
Ligand fragments- C3b, C4b
receptor? cell type? function?
binds to CR 1
phagocytes, erythrocytes
Oposin mediated recognition, clearance of immune complexes
Complement:
ligand fragment- C3bi

binds to what receptor? cell type? function?
CR2
B lymphocytes
possible mode of EBV infection
Complement:
C3a, C4a
receptor? cell type? function?
C3a/C4a-R
Mast cells, basophils
Degranulation (histamine)
Complement:
C5a
binds to which receptor? cell types? function?
C5A-R
Mast cells, basophils, endothelial cells, phagocytes
Increases vascular permeability, chemotaxis
Antibodies:
Activates Complement - Classical Pathway
IgM (most efficient) IgG
Antibodies:
Activate Complement- Alternative Pathway
IgA
Antibodies:
Mucosal immunity
IgA
Antibodies:
Pentamer form
IgM
Antibodies:
helminth infections
IgE
Antibodies:
Oposinization
IgG
Antibodies:
breast milk and colostrum
IgA (high concentrations), IgG
Antibodies:
FcepsilonR on mast cells, basophils
IgE
Antibodies:
J chain
IgA, IgM
Antibodies:
ADCC
IgG
Antibodies:
longest half life
IgG
Antibodies:
primary immune response- first one secreted
IgM
Antibodies:
crosses the placenta
IgG
Antibodies:
Isohemagglutinin
IgM
Antibodies:
immature naive B cells
IgM
Antibodies:
allergies
IgE
Antibodies:
neutralizes viruses and toxins
IgG
Name the cell:
NADPH
phagocyte
Name the cell:
Lysosomal enzymes
phagocyte
Name the cell:
CD2
T cell
Name the cell:
CD3
T cell
Name the cell:
Opsonin
phagocyte
Name the cell:
LFA-3
APC
Name the cell:
ADCC
NK cell
Name the cell:
Major basic protein
Eosinophil
Name the cell:
ICAM-1
APC
Name the cell:
Histamine
Mast cell
Name the cell:
Microbial port of entry
M cell
Name the cell:
CD28
T cell
Name the cell:
Class II MHC
APC
Name the cell:
Inducible NO synthase
phagocyte
Name the cell:
CD 154 (CTLA-4)
T cell
Name the cell:
CD 8
T cell subset
Name the cell:
IFN gamma receptors
NK cell, phagocyte
Name the cell:
CD 80 & 86 (B7-1 & B7-2)
APC
Name the cell:
Perforin
NK cell
Name the cell:
Reactive oxygen intermediate
phagocyte
Name the cell:
CD 40L
T cell
Name the cell:
kills virally infected cells
NK cell
Name the cell:
engulfs viruses when outside of cell
phagocyte
Name the cell:
CD11a
T cell
Name the cell:
CD 18
T cell
Name the cell:
kills heminths
Eosinophil
Name the cell:
Fc epsilon receptor
Mast cell, eosinophil
Name the cell, counter cell, ligand and effect
CD 40
CD 40 (APC): CD 40L (T-cell)
effect- Isotype Switching
Name the cell:
engulfs bacteria outside of cell
phagocyte
Name the cell:
reactive oxygen intermediate
phagocyte
Complement:
C3b,Bb,3b
5C convertase (alternative pathway)
Complement:
C4b,2a
3C convertase (classical pathway)
T-Lymphocytes:
Name the pan marker
CD2
Lymphocyte Activation:

Low level LPS (lipopolysaccheride) generates what kind of immune response?

Monoclonal, Polyclonal or Oligoclonal
Monoclonal - Type I
(T independent antigen)
--> IgM production
Lymphocyte Activation:

Superantigens (like Toxic Shock toxin 1) generate what kind of immune response?

Monoclonal, Polyclonal or Oligoclonal
Oligoclonal
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
Lymphocyte Activation:

Pneumococcal polysaccharide generates what kind of immune response?

Monoclonal, Polyclonal or Oligoclonal
Monoclonal Type 2
--> isotype switching possible
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
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
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
Name the Type 1 cytokines
IL-2, TNF, IFNgamma
Name the Type 2 cytokines
IL-4, IL-5, IL-6, IL-10, IL-13, TGFbeta
Somatic Recombination is initiated by?
RAG1, RAG2
(recombinating activating genes)
T lymphocytes:
chain names and composition?
alpha chain: V,J
beta chain: V,D,J
B cells:
name the chain names and
composition?
light chains (2): V,J
heavy chains (2): V,D,J
MHC Complexes:
HLA (A,B,C)
Class I MHC
MHC Complexes:
Murines (K, D, L)
Class I MHC
MHC Complexes:
IFNgammaR
Class II MHC
MHC Complexes:
Beta2-microglobulin nonpolymorphic, on chromosome 15
Class I MHC
MHC Complexes:
codominantly expressed
Both Class I and Class II MHC
MHC Complexes:

expressed only on APCs
Class II MHC
MHC Complexes:

HLA-DR10
Class II MHC
MHC Complexes:

Ii (Invarient chain)
Class II
MHC Complexes:

Displays antigenic fragments destroyed by the proteosome
Class I
MHC Complexes:

Displays antigenic fragments destroyed within the phagolysome
Class II
MHC Complexes:

expressed on virtually all nucleated cells
Class I
MHC Complexes:

presents to CD4+ T cells
Class II
MHC Complexes:

presents to CD8+ T cells
Class I
MHC Complexes:

TAP (transporter of antigen binding)
Class I
MHC Complexes:

exogenous antigen processing, DM (another MHC encoded molecule)
Class II
MHC Complexes:

Virus that inhibits TAP-mediated translocation of peptides from cytosol into the ER
Class I
HSV (herpes simplex virus)
MHC Complexes:

Virus that inhibits the activity of the proteasomes
Class I
EBV (Ebstein Barr virus)
MHC Complexes:

Virus that hinders the expression of antigen peptide/MHC complex on the cell surface
Class I

CMV (Cytomegaolvirus)
MHC Complexes:

Cells that express CD1 molecules as antigen presenting molecules
Dendritic cells
Name the cell:

Most efficient APC?
Dendritic cell
Name the cell:

Most sensitive APC?
B cell (prevails when antigen is limited, only need small amount)
Name the cell:

Antigen presenting cell during seconday immune response?
Macrophage
Name the cell:

expresses chemokine receptors CCR5 and/or CXCR4
Dendrites and Macrophages
Name the cell:

nTregs
CD4+, CD25+, FOXP3+
Chemotactic for lymphocytes
RANTES- regulated on activation, normal T cell expressed and secreted cytokine
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
Stabilization of Th17
IL-23