Term
Which cells do MHC class I interact with? |
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Definition
MHC class I acts a ligand to cytotoxic T cells via their TCR |
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Term
Name the receptors (3) on the Natural Killer Cell and what they bind to |
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Definition
NKG2D on NK binds with MIC ligand on pathogen (infection) Fc(gamma)R on NK binds with IgG coating pathogen in adaptive immunity Inhibitory receptor on NK binds to MHC class I presenting self receptor (no infection) |
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Term
What do natural killer cells do? |
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Definition
Kill virally infected cells |
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Term
Newborns contain which isotype? |
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Definition
IgG because it can cross the placenta |
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Term
Beginning stage of Primary Immune response |
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Definition
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Term
late stage of secondary immune response |
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Definition
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Term
beginning stage of secondary immune response |
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Definition
IgG, B cells go into memory cells |
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Term
on which cells does affinity maturation occur? |
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Definition
activated B cells (Ag primed) |
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Term
When do B cells met dc cells? |
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Definition
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Term
affinity maturation of B cells |
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Definition
Dc cells present ag via MHC class II to B cells, if they hold tight they survive and then activated B cells can go present ag to T helper cells via MHC class II and then T helper cells secerete IL-4 and IL-5 |
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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
is Th-2 involved in ADCC? |
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Definition
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Term
which cells produce immunoglobulins? |
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Definition
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Term
Another word for T cell activation? |
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Definition
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Term
What is the cytokine involved in T cell activation? |
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Definition
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Term
on which T cells do they first and secoond signals occur? |
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Definition
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Term
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Definition
when there is no 2nd signal |
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Term
What does anergy function in? |
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Definition
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Term
How does a virally infected dendritic cell present antigen? |
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Definition
on MHC I to cytotoxic t cells |
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Term
how does a virally infected target cell present antigen? |
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Definition
on MHC I to cytotoxic T cells |
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Term
Is 2nd signal required for target cell and effector cell interaction? |
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Definition
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Term
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Definition
CD40R and CD40L on T cells |
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Term
When does B cell present CD40L? |
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Definition
in affinity maturation with dendritic cells |
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Term
When T cell presents CD40L and dendritic cell presents CD40... |
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Definition
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Term
Do Th-2 always need to activate B cells? |
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Definition
No, B cells can be activated via T independent antigen |
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Term
What type of immunglobulin coats super anitgens? |
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Definition
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Term
Which molecule has the highest immunogenicity? |
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Definition
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Term
Where does isotype switching occur? |
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Definition
germinal centers in lymph nodes |
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Term
Which immunoglobulin does isotype switching start with? |
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Definition
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Term
On which cells is CD4 a co receptor? |
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Definition
T helper cells AND T regulatory cells |
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Term
What do T regulatory cells do? |
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Definition
supress immune response and peripheral tolerance |
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Term
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Definition
marker in human stem cells |
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Term
Which 2 cells are responsible for phagocytosis? |
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Definition
macrophages and neutrophils |
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Term
Are chemokines important for phagocytosis? |
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Definition
Yes, they call neutrophils to the sceane |
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Term
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Definition
stops somatic recombination in alleles |
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Term
on which cells does allelic exclusion occur? |
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Definition
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Term
Which parts of the immunoglobulin are regulated by allelic exclusion? |
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Definition
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Term
Which parts of the TCR are regulated by allelic exclusion? |
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Definition
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Term
How is the hypervariable region formed? |
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Definition
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Term
Allelic exclusion is important for? |
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Definition
hypervariable specificity |
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Term
is inflammatory response always good for the general health condition? |
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Definition
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Term
T cell activation leads to... |
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Definition
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Term
when pathogen is defeated what is expressed on the T cells? |
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Definition
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Term
when a T cell attacks a virally infected cell does it need a secondary signal? |
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Definition
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Term
when a dendritic cell presents a self antigen is there a second signal? |
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Definition
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Term
where is primary tolerance mediated? |
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Definition
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Term
how is primary tolernace mediated? |
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Definition
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Term
how is peripheral tolerance mediated? |
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Definition
anergy and t regulatory cells (IL-10) |
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Term
Does isotype switching add diversity to B cells? |
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Definition
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Term
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Definition
any individual difference |
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Term
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Definition
physical structure differences |
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Term
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Definition
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Term
T independent B cell activation |
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Definition
B cells cross link strong to antigen |
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Term
In T dependent B cell activation B cells normally need |
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Definition
Th-2 Cells, IL-4 and IL-5 |
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Term
B cells interact with pathogens by.. |
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Definition
binding their Fc receptor to the immunglobulin on the surface of the cell |
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Term
B cells interact with T helper cells by... |
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Definition
presenting the antigen via MHC II |
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Term
T cells respond to B cells by... |
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Definition
producing IL-4 and IL-5 and clonally expanding |
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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
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Term
does Th-2 contribute to ADCC? |
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Definition
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Term
Does innnate immuniy change in second response? |
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Definition
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Term
How does adaptive immunity function in seoncdary response |
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Definition
preformed antibody and memory cells |
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Term
Does ADCC happen at the beginning of primary immune response? |
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Definition
no because no antibodies yet |
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Term
What is the first antibody to show up? |
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Definition
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Term
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Definition
coat/opsonize for phagocytosis and neutralize the bacteria |
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Term
are antibodies effective when virus is extra cellular? |
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Definition
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Term
How are antibodies effective on extra cellular virus? |
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Definition
block active structure and neutralize structure |
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Term
PLasma cells are in which lineage? |
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Definition
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Term
How many binding sites does IgM have? |
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Definition
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Term
isotype in seondary immune response? |
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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
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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
Chemotoxins in innate immunity? |
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Definition
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Term
which receptors do MHC interact with? |
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Definition
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Term
are MHC's ligands or receptors? |
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Definition
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Term
What was Jenner famous for? |
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Definition
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Term
Immunoglobulins (3 things) |
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Definition
expresses on cell surfaces receptor on B cells and T cells secreted by plasma cells |
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Term
how are TCR similar to antibodies on B cells? (2) |
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Definition
they both posesse structure domain known as immunoglobulin
they have heavy and light chains (beta and alpha) |
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Term
When hematopoietic stem cells enter the thymus what are the called? |
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Definition
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Term
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Definition
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Term
Who expresses receptors for CCR7 |
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Definition
T cells, B cells, and dendritic cells |
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Term
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Definition
directs cells into secondary lymph tissue |
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Term
What are the two isotypes for light chain in antibodies? |
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Definition
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Term
what is the ratio of kappa: lambda? |
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Definition
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Term
Too much kappa in a person could mean? |
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Definition
malignant B cells because leukemia changes the ratios |
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Term
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Definition
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Term
which cell does HIV infect? |
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Definition
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Term
what fraction of T cells are CD8? |
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Definition
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Term
what fraction of T cells are CD4? |
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Definition
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Term
can a physical condition change antigen strength? |
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Definition
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Term
can antigen-antibody specificity change? |
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Definition
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Term
bone marrow transplantation |
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Definition
enrich stem cells into peripheral blood in order to increase the peripheral blood in circulation |
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Term
What cytokines do macrophages produce? (6) |
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Definition
IL-6, IL-1, CXCL8, GM-CSF, INF, TNF |
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Term
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Definition
signaling receptor, stimulates acute phase protein production in liver |
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Term
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Definition
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Term
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Definition
brings neutraphils to infection site |
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Term
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Definition
increases production of stem cells in bone marrow |
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Term
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Definition
increases amount of natural killer cells and cytotoxic t cells and interferes with viral replication |
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Term
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Definition
increases inflammatory responses |
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Term
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Definition
tolerance is lost to self antigen |
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Term
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Definition
soluble or on cell surface |
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Term
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Definition
receives a signal, could be used as a marker |
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