Term
Bonds between antigen and antibody |
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Definition
multiple and non-covalent |
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Term
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Definition
a small molecule that can elicit an immune response only when attached to a large carrier such as a protein; the carrier may be one that also does not elicit an immune response by itself |
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Term
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Definition
an agent that may stimulate the immune system and increase the response to a vaccine, without having any specific antigenic effect in itself |
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Term
What types of cells are directly involved in eradicating the virally infected cells? |
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Definition
Cytotoxic T cells and Natural Killer cells |
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Term
T cell Markers (no co-receptors or co-stimulatory) |
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Definition
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Term
B cell Markers ( no co-receptors no co-stimulatory) |
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Definition
IgM/IgD, CR, FcR, MHC Class II, CD20 |
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Term
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Definition
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Term
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Definition
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Term
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Definition
CD28 (binds to CD80 or B7.1) CTLA 4 (binds to CD80/CD86) CD40 (on B cells and dendritic cells) CD40L (on T cells and B cells) |
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Term
Ig Molecule, heavy chain desginations: Greek vs. English |
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Definition
IgA = alpha, α IgD = delta, δ IgE = epsilon, ε IgG = gamma, γ IgM = mu, μ Light chains are kappa (κ) or lambda (λ) |
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Term
In NK cells, the cytotoxic granule formation is constitutive or inflammation-induced? |
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Definition
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Term
Antibody-dependent cellular cytotoxicity (ADCC) |
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Definition
Fc (gamma) receptor on NK cells bind to IgG on pathogen and induce degranulation which kills pathogen |
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Term
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Definition
antigen-binding fragment. The actual portions of an antibody molecule that have a shape corresponding to that of an epitope of an antigen. The amino acid sequences of the Fab region are hypervariable. |
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Term
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Definition
constant fragment. The portion of an antibody molecule, which carries out the biological activities of that class of antibody. The amino acid sequence of the Fc portion of an antibody is the same for every antibody in that class |
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Term
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Definition
The Fc receptors bind to antibodies that are attached to the infected cell and stimulate macrophages when they attach. When immunoglobulin is attached, it plays the role of a ligand. In ADCC FcγR receptors on the surface of natural killer (NK) cells stimulate the NK cells to release cytotoxic molecules from their granules to kill antibody-covered target cells. |
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Term
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Definition
Th-1 produces INF gamma which activates macrophages and B cells to secrerte opsonization antibodies to coat the intracellular bacteria in cellular immunity |
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Term
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Definition
Th-2 produces IL-4 which activates B cells to secrete antibodies and neutralize the extracellular pathogenin humoral immunity |
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Term
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Definition
the response the occurs the first time a harmful antigen is encountered |
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Term
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Definition
is a much quicker and more effective response to an already encoutered antigen |
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Term
antibody produced during primary response |
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Definition
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Term
antibody produced during secondary response |
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Definition
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Term
Beginning stages of Primary response |
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Definition
there are no antigen-specific antibodies, because the immune response is based on general phagocytosis of the pathogen and inflammation |
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Term
Late stages of primary response |
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Definition
after antibody specific (Adaptive) immunity recognizes the pathogen and mounts a respone, those antibodies stay around and provide protection against infection |
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Term
beginning stages of secondary response |
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Definition
antibody specific (Adaptive) immunity recognizes the pathogen and mounts a respone, those antibodies stay around and provide protection against infection |
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Term
late stages of secondary response |
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Definition
pathogens are eliminated through combined actions of specific antibody and innate immunity |
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Term
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Definition
HLA-A, HLA-B, HLA-C, HLA-E, HLA-F & HLA-G |
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Term
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Definition
HLA-DM, HLA-DO, HLA-DP, HLA-DQ, HLA-DR |
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Term
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Definition
• Made up of one membrane bound α chain, and a noncovalently bonded β2 microgloulin. The heavy chain has three domain, two of which form the peptide binding site. |
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Term
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Definition
• Made up of two membrane bound chains, α and β. The domains from those chains form the peptide binding site |
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Term
Complement proteins of the Classical pathway |
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Definition
C-reactive protein, C1, C1s, C4, C2, C4bC2a (C3 convertase), C3, C4bC2aC3b (c5 convertase), C5 |
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Term
Complement proteins of the Alternative pathway |
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Definition
C3b, factor B and factor D, C3bBb (C3 convertase) |
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Term
Complement proteins of the Lactin pathway |
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Definition
MBL containing 2 MASPI and 2 MASPII, C4bC2b (C3 convertase) |
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Term
Plasma cells orginate from which hematopoeitc line? |
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Definition
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Term
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Definition
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Term
MHC class II expressed on |
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Definition
most hematopoietic cells, microglia and epthielial stem cells |
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Term
istoype switching occurs in which organs? |
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Definition
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Term
isotype switching occurs on which cells? |
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Definition
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Term
Which immunoglobulins are found in the blood? |
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Definition
IgG, IgM and monomeric IgA |
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Term
which immunoglobulins are found in the extracellular fluids? |
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Definition
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Term
which immunoglobulins are found in the secretions? |
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Definition
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Term
which immunoglobulins are found in the connective tissues? |
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Definition
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Term
Which immunoglobuin predominates in newborns? |
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Definition
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Term
Which immunoglobuins found in primary immune response? |
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Definition
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Term
Which immunoglobuins found in secondary immune response? |
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Definition
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Term
Primary vs. Secondary response |
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Definition
If an antigen reoccurs, the secondary response occurs. This respronse only takes hours to begin and peaks within a few days. The pathogen is removed before it has a chance to infect due to the memory cells. |
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Term
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Definition
the difference in strength of antigens depending on (1) chemical structure/composition and (2) density of epitopes |
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Term
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Definition
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Term
two functions of chemokines |
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Definition
(1) inflammatory (induced by inflammatory signals) and (2) homeostatic (always expressed) |
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Term
First signal required for T cell activation? |
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Definition
TCR with MHC/Antigen complex |
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Term
Second signal required for T cell activation? |
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Definition
CD28 (receptor on T cell) with B7.1 or B7.2 (its corresponding ligands on DCs) |
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Term
First signal required for supression of T cells? |
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Definition
TCR with MHC/Antigen complex |
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Term
Second signal required for supression of T cells? |
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Definition
CTLA-4 (receptor on T cell) with B7.1 or B7.2 (its corresponding ligands on DCs) |
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Term
How is anergy induced in T cells? |
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Definition
by T cells binding with antigen presenting self antigen cells, without a costimulatory molecule. |
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Term
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Definition
any cell-mediated antigen specific adaptive immunity response which utlizes antigen specific T cells |
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Term
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Definition
antigen specific antibody mediated response |
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Term
role of IL-2 in T cell proliferation |
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Definition
IL-2 is secreted by the orginal naive T cell which has become activated by an antigen presenting cell. IL-2 activates other T cells without the duel signaling process |
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Term
Three outcomes of opsonization |
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Definition
increased inflammaton, membrane attack complex or phagocytosis |
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Term
Functions of each of the 8 chains of the T cell receptor? |
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Definition
The alpha and beta chains are antigen recognizers. The CD3 receptors stabilze and the zeta chains transmit the signal |
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