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Antigen-antibody reaction

Antigen-antibody reaction

The phenomenon, occurring in vitro or in vivo, of antibody combining with antigen of the type that stimulated the formation of the antibody, thereby resulting in agglutination, precipitation, complement fixation, greater susceptibility to ingestion and destruction by phagocytes, or neutralization of exotoxin.

See: skin test.

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I have got some BIG issues! forgive the long post

... of Rh and how terrible it can be if mommys blood detect different antigen in Baby's blood however I don't get the genes Dd, Cc and Ee genes ... ABH antigens are not primary gene products but instead the enzymatic reaction products catalyzed by the enzymes called glycosyltransferases. Immuno-dominant ...

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by saddy51
Sun Jan 04, 2015 10:39 am
Forum: Genetics
Topic: I have got some BIG issues! forgive the long post
Replies: 1
Views: 1774

Immune response due to egg.

We just simply don't have an antigen against those proteins. It is that simple. Some people are allergic to things ... smelling a peanut cause some people to go into shock others may have a less severe reaction? Is it just less highly expressed antigen in less immune cells or something ...

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by daniel.kurz
Mon Oct 24, 2011 12:41 am
Forum: Human Biology
Topic: Immune response due to egg.
Replies: 3
Views: 2304

Biological Molecules and Cell Reactions Question

No, the reactions are catalysed mainly by proteins (polypeptides), in minor by RNA and also by DNA. ... knowledge, are not neeeded for the catalysis (as I know, they function as stabilizor or antigen or stuff like that). Also, the lipids are not needed for the reactions as that. Yes, ...

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by JackBean
Sat Sep 26, 2009 1:08 pm
Forum: Molecular Biology
Topic: Biological Molecules and Cell Reactions Question
Replies: 9
Views: 3791

isotope labelling of cells?

... being replaced by "cold labelling" where as Biohazard pointed antigens are used. This is referenced to as serology. Either fluorescent ... to antigens expressed by infected cells, resulting in an enzymatic reaction which changes the colour of the substrate to, for example, green.

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by Sepals
Wed Mar 26, 2008 1:56 pm
Forum: Cell Biology
Topic: isotope labelling of cells?
Replies: 5
Views: 2946

regarding T helper 2!

... from the mast cell? in other words, can we prevent the allergic reaction caused by a reexposure to a specific antigen by blocking the effect of Th2 on IgE? Thanks

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by Yazeed
Sat Jun 02, 2007 6:54 pm
Forum: Cell Biology
Topic: regarding T helper 2!
Replies: 1
Views: 1369
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