MIA2 is a secreted cytokine and a member of the MIA/OTOR family. Members of this family which also includes MIA, OTOR, and TANGO share a Src homology-3 (SH3)-like domain. MIA2 is predominantly expressed in hepatocytes. Elevated levels of MIA2 may represent a clinically useful marker for diagnosis of hepatic disease activity and severity. Alternative Names: MIA2, MIA-2 protein, MIA-2, MIA 2 protein, MIA 2, Melanoma Inhibitory Activity-2 protein, MIA-2 protein