A protein produced by the B-cells of the immune system which binds to a particular antigen, a foreign substance to the body.

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Why don't antibodies generally bind to food and drugs?

Are these excluded thru central tolerance? What if you ingested something with a unique molecular structure that you hadn't ingested before?
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50 views

How can cells produce antibodies despite error-checking mechanisms in their genomes?

How can immune cells produce so many different kinds of antibodies with different variable regions if there are so many mechanisms inside the cells that try to keep the DNA sequence as constant as ...
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95 views

Does antibody staining / immunolabeling block or inhibit protein function?

In dissociated live cells, does staining them with an antibody block the protein's function? I am sorting cells based on their expression of a few marker genes, and culturing them post-sort for ...
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My flow cytometry antibody won't reach saturation

I am staining human neutrophil populations (CD177) and then trying to get a different test target antibody to give a dose response to binding to this population. I have tried concentrations of the ...
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26 views

Why every Ab-Ag complex doesn't lead to anaphylatoxic shock?

if we know the background of hypersensitivitoy type 3 then this question arises. every complex should lead to anaphaylatoxic shock which is not a true statement. so then how all complexes which ...
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47 views

How can site-directed mutagenesis be used to suppress the production of anti-antibodies?

In a previous post of mine, I asked how to supress the creation of anti-antibodies in vivo. In the answer, it was mentioned that site-directed mutagenesis could be used. Currently, I can't find mcuh ...