| ACE1 | angiotensin I-converting enzyme |
| ACE2 | Angiotensin-Converting Enzyme 2 |
| ACEi | ACE–inhibitors |
| aPL | antiphospholipid |
| aPS/PT Ab | anti-phosphatidylserine/prothrombin autoantibodies |
| APS | antiphospholipid syndrome |
| ARDS | acute respiratory distress syndrome |
| AT1R | Angiotensin Type 1 Receptor |
| C | complement |
| CCL | chemokine ligand |
| COPD | Chronic Obstructive Pulmonary Disease |
| COVID-19 | Coronavirus disease-2019 |
| CRP | C-reactive protein |
| CXCL | chemokine ligand |
| CXCL8 | Interleukine 8 |
| CVD | cardiovascular disease |
| DAD | diffuse alveolar damage |
| DIC | disseminated intravascular coagulation |
| ECM | extracellular matrix |
| FDP | fibrinogen derived peptides |
| G-CSF | granulocytes colony-stimulating factor |
| GF | grow factor |
| GM-CSF | granulocyte-macrophage colony stimulating factor |
| HLA-DR | human leucocyte antigen- related D |
| ICAM-1 | intercellular adhesion molecule 1 |
| ICU | intensive care unit |
| IFN | interféron |
| IL | interleukine |
| IP-10 | interferon-gamma-induced protein |
| IRF | interferon regulatory factors |
| ISG-15 | interferon stimulated gene 15 |
| LDG | low-density granulocytes |
| mAb | monoclonal antibody |
| MASP2 | mannose-binding protein associated serine protease 2 |
| MAS | macrophage activation syndrome. |
| MCP-1 | monocyte chemoattractant protein-1 |
| M-CSF | macrophage colony-stimulating factor |
| MIP 1 | macrophage inflammatory protein 1 |
| NADPH | Nicotinamide adenine dinucleotide phosphate |
| NAR | neutrophil count to albumin ratio |
| NCD4LR | neutrophil/CD4 + lymphocyte index |
| NCT | negative conversion time |
| NDG | normal density granulocytes |
| NETs | neutrophil extracellular traps. |
| NHBE | human bronchial epithelial cell |
| NLR | neutrophil-to-lymphocyte ratio |
| NLRP3 | NOD-like receptor family, pyrin domain containing 3 |
| PAD | peptidyl arginine deaminase |
| PAI | platelet activator inhibitor |
| PBMC | peripheral blood immune cells |
| PMN | polymorphonuclear |
| RAAS | renin-angiotensin. -aldosterone system |
| RE | response element |
| ROS | reactive oxygen species |
| SARS-CoV-2 | severe acute respiratory syndrome-coronavirus-2 |
| Sirtuin 3 | SIRT3, |
| STEMI | ST elevation myocardial infarction |
| TF | tissue factor |
| TFPI | tissue factor pathway inhibitor |
| TGF beta-2 | transforming grow factor beta-2 |
| Th | T-helper |
| TNF | tumor necrosis factor |
| TRAP | thrombin receptor-activating peptide |
| β2GPI | β2 I glycoprotein |