Listed are ELISA Kits for the detection of X-PTF, an alias name of pleiotrophin. The human protein, encoded by the gene PTN, is 168 amino acid residues long and has a mass of 18,942 daltons. It is a member of the Pleiotrophin family. This protein is reported to have a secreted cellular localization. This target may also be known as: heparin-binding brain mitogen, heparin-binding growth factor 8, heparin-binding growth-associated molecule, heparin-binding neurite outgrowth-promoting factor 1, and osteoblast-specific factor 1.