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. 2020 Nov 7;11(1):39–55. doi: 10.34172/apb.2021.005

Table 3. PMP involvement in inflammation .

PMP’s inflammatory mediator Target cell Outcome of interaction References
RANTES (CCL5) Monocytes
Activated endothelial cells
Vascular wall infiltration 16,96
Stimulating chemotactic motility
Inducing monocytic arrest on endothelial cells
AA Monocyte – Endothelial cells Activation of PKC 97
Increased adherence between monocytes and endothelial cells
Increased chemotaxis of U-937 promonocytic cell line
CD41 and CD62P Endothelial cells Endothelial cell activation 11
PS Macrophages
Dendritic cells
Neutralizing dendritic cells and macrophages phagocytic activity 98
Phosphatidylserine, GPIIb/IIIa, P-selectin Monocytes Activating monocytes 99
Protumorigenic effect
Upregulating phagocyte markers expression
PPARγ/RXR complex THP-1 monocytic cell line Aggregation of THP-1 cells 100
Producing TF+ monocytic MVs
Modifying gene expression
miR 126-3p Macrophages Inducing phagocytic phenotype 101
Downregulation of cytokine/chemokine secretion
Induced monocyte differentiation to M2 macrophage
PS? Macrophages Reduced release of TNF-ɑ and IL-10 98
Immediately induced release of TGF-β from macrophage
AA U-937 (promonocytic cell line) Increased Mac-1 and ITGAL (integrin subunit alpha L) expression 66,102,103
Increased chemotaxis
AA Endothelial cells
Monocytes
Expression of thromboxane A2 and COX-2 in endothelial cells 66,102
Facilitating platelet aggregation
Facilitating monocyte-EC interaction
Mitochondria Leukocytes Hydrolysis of mitochondrial membrane by sPLA2-IIA producing inflammatory mediators which promote leukocyte activation 32,84
CD154 (CD40 L) B cells Switch of antigen-specific IgG secretion 56
CD154 (CD40 L) Monocytes Increased inflammatory signals (IL1β, TNFα, MCP1) 49,104,105
Stimulating monocyte-derived dendritic cells maturation
miR-183 NK cells Knockdown of NK activation adapter DAP12 91,106,107
Suppressing NK cell inflammatory response to tumor
TGFβ1 CD4+ T Cells Increased TGFβ1 production 108
Increased differentiation of CD4+ naive Tcells to FOXP3+ regulatory Tcells
PF4(CXCL4) CD4+ T Cells Anti-inflammatory effect through reducing IFNγ, IL6, TNFα expression 109
PF4(CXCL4) Treg cells Treg stability in an inflammatory environment 110
CXCR3-mediated signaling in activated T cells
Negative regulator of TH17 differentiation
P-selectin Treg cells Treg stability in an inflammatory environment 110
PMP adhesion to Tregs through PSGL-1
Prevention of peripheral blood–derived Tregs differentiation into IL-17– and IFN-γ producing cells
P-Selectin Neutrophils Triggering neutrophil activation, aggregation and phagocytosis 111
Inducing adhesion to the endothelium
GPIbα Neutrophils (β2 integrin Mac 1 (CD11b/CD18) Neutrophil activation 49,111
GPIIb/IIIa receptors Neutrophils Transferring GPIIb/IIIA to neutrophils participating in NFkB activation of neutrophils 112
sPLA2-IIA and 12-lipoxygenase Neutrophils Promoting PMP internalization 113,114
Enhancing inflammation
β defensin 1 Neutrophils NETosis (neutrophil extracellular traps)
Cancer associated thrombosis
49,115
PMP-miRNAs Neutrophils Not clear 16
PMPs miRNAs released from collagen-activated platelets Leukocytes Stimulating cytokine responses 115,116
Regulating cytokines release
12-lipoxygenase Mast cells Negative inflammatory regulator 60

Abbreviations: PMP, platelet microparticles; N/A ,Not applicable; MVs, microvesicles; AA, Arachidonic acid; COX-2, cyclooxygenase-2; EC, Endothelial cell; sPLA2-IIA, secretory Phospholipase A2 group IIA; IgG, Immunoglobulin G; TNFα, tumor necrosis factor alpha; MCP1, monocyte chemoattractant protein-1; NK cells, Natural killer cells; IFNγ, Interferon gamma; Treg cells, T regulatory cells; TH, T helper cells.