Human monoclonal antibody to human CD134 (OX40) and methods of preparation and use thereof

112V8, deposited as ATCC No. PTA-7219, or 112Y131: isolated or purified which specifically binds to an epitope in an amino acid sequence of the extracellular domain of OX40, wherein the antibody is produced by a hybridoma cell line denoted as antibody deposited as ATCC No. PTA-7218, or 112Y55, deposited as ATCC No. PTA-7220, or a fragment thereof selected from Fab, Fab ', F (ab') 2, Fv, Fd, Fvs single chain (scFv), Fvs disulfide linked (sdFv).