platelet factor 2

an accelerator of the thrombin-fibrinogen reaction, attached to platelets.

Medical dictionary. 2011.

Look at other dictionaries:

  • Platelet factor 4 — (PF4) is a small cytokine belonging to the CXC chemokine family that is also known as chemokine (C X C motif) ligand 4 (CXCL4) . This chemokine is released from alpha granules of activated platelets during platelet aggregation, and promotes blood …   Wikipedia

  • platelet factor 4 — Platelet released protein that promotes blood clotting by neutralising heparin …   Dictionary of molecular biology

  • platelet factor 3 — Phospholipid associated with the platelet plasma membrane that contributes to the blood clotting cascade by forming a complex (thromboplastin) with other plasma proteins and activating prothrombin …   Dictionary of molecular biology

  • platelet factor 1 — adsorbed factor V from the plasma …   Medical dictionary

  • platelet factor 3 — a lipoprotein, extracted from platelets, that contributes to the interaction of activated plasma coagulation factors IX and VIII to produce activated factor X as well as of activated factors X and V to cleave and activate prothrombin …   Medical dictionary

  • platelet factor 4 — an intracellular protein component of platelets, capable of neutralizing the antithrombic activity of heparin in the fibrinogen fibrin reaction and the inhibitory effect of heparin in the thromboplastin generation test …   Medical dictionary

  • low-affinity platelet factor IV — See connective tissue activating peptide III …   Dictionary of molecular biology

  • Platelet — Platelets, or thrombocytes, are small cytoplasmic bodies derived from cells. They circulate in the blood of mammals and are involved in hemostasis leading to the formation of blood clots. Like red blood cells, platelets have no nucleus. If the… …   Wikipedia

  • Platelet alpha-granule — In platelets, the term alpha granules is used to describe granules containing several growth factors (such as insulin like growth factor 1, platelet derived growth factor, TGFβ), platelet factor 4 which is a heparin binding chemokine,) and other… …   Wikipedia

  • Platelet-activating factor receptor — Identifiers Symbols PTAFR; PAFR External IDs OMI …   Wikipedia

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