SDF1 is an alias for the gene, Chemokine (C-X-C motif) ligand 12, in humans. Other names include: Stromal cell-derived factor 1; SDF-1; hSDF-1; C-X-C motif chemokine 12; Intercrine reduced in hepatomas; IRH; hIRH; Pre-B cell growth-stimulating factor; PBSF; SCYB12; TLSF; TPAR1. The encoded protein has an amino acid length of 93 and a mass of 10.7 kDa. SDF1 is a member of the Intercrine alpha (chemokine CxC) family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.