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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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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Does antibody staining / immunolabeling block or inhibit protein function?

In dissociated cells, does staining them with an antibody block the protein's function? How can one assess if the protein is still functional?
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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 ...