Platelet Factor 4

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Platelet factor 4 (101 aa, ~11 kDa) is encoded by the human PF4 gene. This protein is involved in the negative regulation of endothelial cell proliferation, the chemotaxis of neutrophils and monocytes and the positive regulation of blood coagulation.

**Synonyms:** - C-X-C Motif Chemokine 4 - CXCL4 - Chemokine (C-X-C motif) Ligand 4 - Iroplact - Oncostatin-A - PF4 - Platelet Factor-4 - Small Inducible Cytokine B4 - Small Inducible Cytokine Subfamily B, Member 4 - Small-Inducible Cytokine B4