CD89 antibody, Fc fragment of IgA receptor antibody, Fc fragment of IgA, receptor for antibody, FCAR antibody
背景
CD89, also known as FcαR, is a 55-100 kD glycosylated protein. It belongs to the immunoglobulin gene family. It is expressed on granulocytes, monocytes, and macrophages but is absent on T cells. It can interact with IgA aggregates and plays an important role in IgA mediated immune responses.