Abstract
Innate immunity exhibits memory characteristics, reflected not only in selective recognition of external microbial or internal damage signals, but more importantly in history and signal-strength dependent reprogramming of innate leukocytes characterized by priming, tolerance, and exhaustion. Key innate immune cells such as monocytes and neutrophils can finely discern and attune to the duration and intensity of external signals through rewiring of internal signaling circuitries, giving rise to a vast array of discreet memory phenotypes critically relevant to managing tissue homeostasis as well as diverse repertoires of inflammatory conditions. This review will highlight recent advances in this rapidly expanding field of innate immune programming and memory, as well as its translational implication in the pathophysiology of selected inflammatory diseases.
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Abbreviations
- ABCA1:
-
ATP-binding cassette sub-family A member 1
- ABCG1:
-
ATP-binding cassette sub-family G member 1
- ACE:
-
Angiotensin-converting enzyme
- APC:
-
Antigen presenting cells
- ApOE:
-
Apolipoprotein E
- ATG:
-
Autophagy-related gene
- BCG:
-
Bacillus Calmette-Guérin
- BCR:
-
B cell receptor
- CCL:
-
C-C motif chemokine ligand
- CCR:
-
C-C Chemokine receptor
- CLP:
-
Cecal ligation and puncture
- CMP:
-
Common myeloid progenitor
- CTLA-4:
-
Cytotoxic T-lymphocyte-associated protein 4
- CXCL:
-
C-X-C motif chemokine ligand
- CXCR:
-
C-X-C motif chemokine receptors
- DAMP:
-
Damage-associated molecular pattern
- ERK1/2:
-
Extracellular signal-regulated kinase 1/2
- G-CSF:
-
Granulocyte-colony stimulating factor
- GM-CSF:
-
Granulocyte-macrophage colony stimulating factor
- GMP:
-
Granulocyte-monocyte progenitors
- GPNMB :
-
Glycoprotein-Nmb
- GRK2:
-
G protein-coupled receptor kinases
- HGF:
-
Hepatocyte growth factor
- HSC:
-
Hematopoietic stem cell
- ICAM1:
-
Intercellular adhesion molecule 1
- IL:
-
Interleukin
- iNOS:
-
Inducible nitric oxide synthase
- IRAK-M:
-
Interleukin-1R-associated-kinase- M
- JMJD3:
-
Jumonji domain containing 3
- KDM6B:
-
Lysine demethylase 6B
- LAG-3:
-
Lymphocyte-activating gene
- Ldlr:
-
Low-density lipoprotein receptor
- LPS:
-
Lipopolysaccharide
- LTB4:
-
Leukotriene B4
- MAL:
-
MyD88-adapter-like
- MCP:
-
Monocyte chemoattractant protein
- M-CSF:
-
Macrophage-colony-stimulating factor
- MEP:
-
Megakaryocyte-erythrocyte progenitor
- MMP:
-
Matrix metalloproteinases
- MYD88:
-
Myeloid differentiation factor 88
- NET:
-
Neutrophil extracellular trap
- NOX2:
-
NADPH oxidase 2
- oxLDL:
-
Oxidized low-density lipoprotein
- PAMP:
-
Pathogen associated molecular pattern
- PD-1:
-
Programmed cell death protein-1
- PD-L1:
-
Programmed death-ligand 1
- PI3K/AKT:
-
Phosphatidylinositol-3-kinase and protein kinase B
- SFK:
-
Src family kinases
- SR-A:
-
Scavenger receptor class A
- SR-B1:
-
Scavenger receptor class B type 1
- STAT:
-
Signal transducer and activator of transcription
- TAM:
-
Tumor-associated macrophages
- TAN:
-
Tumor-associated neutrophils
- TCR:
-
T cell receptor
- TIM-3:
-
T-cell immunoglobulin and mucin-domain containing-3
- TLR:
-
Toll-like receptor
- TNF:
-
Tumor necrosis factor
- TRAM:
-
Toll/IL-1R domain-containing adaptor-inducing IFN-β-related adaptor molecule
- TRIF:
-
Toll/IL-1R domain-containing adaptor-inducing IFN-β
- VEGF:
-
Vascular endothelial growth factor
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Geng, S., Pradhan, K., Li, L. (2021). Signal-Strength and History-Dependent Innate Immune Memory Dynamics in Health and Disease. In: Kumar, V. (eds) Toll-like Receptors in Health and Disease. Handbook of Experimental Pharmacology, vol 276. Springer, Cham. https://doi.org/10.1007/164_2021_485
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