shawky2005
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1) What is the diagnostic stain of haemosiderin pigment ?
2) Give an example of an exogenous chemotactic factor .
3) Mention a complement component acting as
a-anaphylatoxin
b-opsonin
c-lytic agent for bacteria
d-chemotactic factor
4) If there is a genetic defect in the hexose monophosphate shunt .... Neutrophils can kill staph aureus organisms or not and why ?????????
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| mash
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1 prussian blue
3 a C3a, C5a
b C3b
c C9???(C5-9---MAC)
dC5a
4 CGD(NADPH oxidase )deficiency
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| rida
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Not sure but gonna guess that number 2 is IL 8
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| mani
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adding to what mash replied:
2. bacterial products eg formylated peptides in E Coli
3c C5-9
4. staph cant be killed bcaz they are catalase positive and whatever H2O2 they produce is degraded by themselves. By the way, strp are catalase -ve so cant degrage H2O2 produced by themselves. So they kind of kill themselves
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| shawky2005
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yes , thanks for your good answers ...
but the complement component acting as a lytic factor for bacteria is C5b-9
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