Platelet Factor 4-Heparin Complex

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

**Definition:** A protein complex comprised of platelet factor 4 and heparin. It can be considered as an autoantigen and is commonly associated with the autoimmune disease heparin-induced thrombocytopenia.

**Synonyms:** - PF4-Heparin - PF4-Heparin Antigen - PLATELET FACTOR 4-HEPARIN COMPLEX