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Immunology Problem Set 5
Immunology Problem Set 5
31
Medical
Professional
03/08/2009

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Term
alternate pathway of complement
Definition
uses C3bBb
constituitively active
Term
lectin pathway
Definition
C4bC2a mannose binds lecitin to mannose agar

MBK activates a protesae whic cleaves C4 and C2 generatign a C3 convertase which leads to C3b accumulation on microbe surface.
Term
classical pathway
Definition
not consti active
antibody mediated.
Term
draw alternate and classical pathway
Definition
page 2 of handout.
Term
FcE
Definition
IgE receptor on a mast cell
Term
IgE
Definition
antibody that binds to FcE on the mast cell
Term
antigens bind to the _____ which is boud to the mast cell
Definition
IgE
Term
propedin factor P
Definition
stabilized the C3b in the alternative pathway
Term
Complement Receptor 1
Definition
CR1 takes the antigen antibody complex and cleans it fromthe blood by pulling on the rbc medaites phagocytocis
Term
c reactive protien
Definition
serum marker for systemic infection
Term
type I hypersensitivity
Definition
mediator: IgE
time course: hours and minutes
ex: bee sting
Term
type II hypersensitivity
Definition
mediator: antibody against surface
time course:chronic
example: pemhigus vulgaris
myesthenia gravis-Ach receptor
graves disease-TSH activator
Term
type III hypersensitivity
Definition
mediator: antibodies against circulating antigens

Systemic Lupus
srum sickness
Term
type IV hypersensitivity
Definition
t cells mediated
weeks
contact dermatitits
Term
anaphylaxis
Definition
Ige mediated type I hypersensitivity
Term
anaphylcactoid
Definition
not IgE direct degranulation-drugs can do this
Term
immediate treatment for anaphylactic or anaphylactoid shock
Definition
epi
Term
early phase of allergy
Definition
realease of histamine from mast cells upon degranulation
brachoconstriction/edema
drop in blood pressure
Term
late phase of allergy
Definition
pccurs later when aeosinophils/lymphocytes are recruited

corticosteroid treatment
Term
immunodeficiency of t cells
Definition
chronic infection of intracellular pathogens
Term
B cell immunodeficiency
Definition
chronic sinopulmomnary infection
CNS complications from enteroviral infections
Term
Complement immunity malfiction
Definition
s. pneumoniae
n. meningitides
h. influenzae
Term
phagocytic problems
Definition
can't form pus or pus doesn't kill
Term
absent spleen
Definition
bactermia and trouble with capsulated bacteria
Term
SCID
Definition
deficiency of common gamma chain or a problem with RAG, artemis enzymes.
Term
wiskott aldrich
Definition
cytoskeletal defect
thrombocytopemia
Term
CD40 ligand deficiency
Definition
can't switch isotypes
Term
X linked a gammaglobluinemia
Definition
burton's tirosine kinase
Term
common variable deficiency
Definition
can't produce antibodies.
Term
LAD
Definition
leukocyte adhesion defect- no pus neutrophils and monocytes cant attch due to defect in IAm.
Term
CGD
Definition
common granulomatous disease
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