SACK1H and osteosarcoma: Supportively, in this study, in addition to the prognostic significance of Cy-FAM83H and Nu-FAM83H expression in osteosarcoma patients, overexpression of FAM83H increased proliferation of osteosarcoma cells, and knock-down of FAM83H inhibited proliferation of osteosarcoma cells both in vitro and in vivo.