In the blood, an autoantibody that recognizes a particular self-antigen can bind to that antigen, forming a so-called immune complex, which can then deposit itself in any of various tissues.

• 当自体抗体在血液中辨认出特定的自体抗原时，会与之结合，形成免疫复合体（immunecomplex），然后沉积在任何组织中。