Effusion β2-microglobulin

β2-MG is a β light chain of the human leukocyte antigen (HIA) molecule. Almost all nucleated cells in the body (except red blood cells and placental trophoblast cells) can synthesize β2-MG and attach to the cell surface. The daily production of the same individual remains constant and secreted in various body fluids. Its main function is to participate in lymph Cell surface recognition is related to killer cell receptors.

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