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. 2021 Nov 5;10(11):3034. doi: 10.3390/cells10113034

Table 1.

Overview of factors released from platelet α-granules [15,16,17,18,19,20]. The α-granule degranulates upon activation of the platelet, which may occur in cases of stress, disease, or normal haemostatic function in formation of the platelet plug.

Factors Released from α-Granules
Adhesion proteins Fibrinogen
Fibronectin
Thrombospondin
Vitronectin
von Willebrand factor
Chemokines Connective tissue activating peptide III
CXC chemokine ligand (CXCL)-1, 2, 3, 4, 5, 6, 7, 8, 12 and 16
Macrophage inflammatory protein 1α
Neutrophil-activating peptide 2
Platelet factor 4
Regulated upon activation, normal T cell expressed and presumably secreted (RANTES)
β-Thromboglobulin
Coagulation factors Factor V
Factor VII
Factor XI
Factor XIII
Kininogens
Plasminogen
Protein S
Growth factors Angiopoietin-1 and 2
Basic fibroblast growth factor
Endothelial cell growth factor
Epidermal growth factor
Hepatocyte growth factor
Insulin-like growth factor 1
Interleukin-2, 3, 4, 6, 7, and 8
Interleukin-β
Platelet-derived growth factor
Transforming growth factor β
Vascular endothelial growth factor A & C
Immunoglobulins Immunoglobulin A (IgA)
Immunoglobulin E (IgE)
Immunoglobulin G (IgG)
Immunoglobulin M (IgM)
Protease inhibitors C1-inhibitor
Plasminogen activator inhibitor-1
Platelet inhibitor of factor XIα
Platelet-derived collagenase inhibitor
Protease nexin-II/amyloid β-protein precursor
Tissue factor pathway inhibitor
α-1-proteinase inhibitor
α2-antiplasmin
α2-antitrypsin
α2-macroglobulin
Proteoglycans Histidine-rich glycoprotein
Neutrophil-activating peptide 2
Platelet basic protein
Serglycin
Other Albumin
Glycoprotein Iα/Multimerin