| ACR | American College of Rheumatology |
| ANCA | anti-neutrophil cytoplasm autoantibody |
| C3 | complement 3 |
| C4 | complement 4 |
| DHR123 | dihydrorhodamine 123 |
| eQTL | expression quantitative trait loci |
| fMLP | N-formyl-methionyl-leucyl-phenylalanine |
| FS | fluorescence signal |
| GAPDH | glyceraldehyde-3-phosphate dehydrogenase |
| GWAS | genome-wide association studies |
| HC | healthy control |
| IFIT1 | interferon induced protein with tetratricopeptide repeats 1 |
| IFN | interferon |
| IFN-a | interferon-alpha |
| IFN-g | interferon-gamma |
| IL-18 | interleukin-18 |
| IL-18R | interleukin-18 receptor |
| IL-18R1/IL-18Ra | interleukin-18 receptor alpha |
| IL18RAP/IL-18Rb | interleukin-18 receptor accessory protein/interleukin-18 receptor beta |
| IL-1R | interleukin-1 receptor |
| IQR | interquartile range |
| ISGs | interferon-stimulated genes |
| LDGs | low density-gradient granulocytes |
| LN | lupus nephritis |
| MAPK pathway | mitogen-activated protein kinase pathway |
| mtROS | mitochondrial reactive oxygen species |
| MyD88 | myeloid differentiation primary response protein 88 |
| NA | not available/not applicable |
| NADPH | nicotinamide adenine dinucleotide phosphate |
| NETs | neutrophil extracellular traps |
| NF-kB | nuclear factor kappa-light-chain-enhancer of activated B cells |
| NKcells | natural killer cells |
| NLN | non-nephritic lupus |
| PBMCs | peripheral blood mononuclear cells |
| PMA | phorbol-myristate acetate |
| qRT-PCR | real-time quantitative reverse transcription polymerase chain reaction |
| rhIL-18 | recombinant human interleukin-18 |
| RNP-IC | ribonucleoprotein immune complex |
| ROS | reactive oxygen species |
| RQ | relative quantity |
| SJIA | systemic-onset juvenile idiopathic arthritis |
| SLE | systemic lupus erythematosus |
| SLEDAI-2K | systemic lupus erythematosus disease activity index 2000 |
| SLICC | Systemic Lupus International Collaborating Clinics |
| SNP | single nucleotide polymorphism |
| Th-1 cells | type 1 T helper cells |
| TIR | toll-interleukin-1 receptor |
| TLR | toll-like receptor |