| ANA | Antinuclear antibodies |
| Breg | Regulatory B cell |
| CpG | 5’—C—phosphate—G—3’ dinucleotide |
| CS | Citrate synthase |
| dcSSc | Diffuse cutaneous systemic sclerosis |
| DN B | Double negative B cell |
| ELISA | Enzyme-linked immunosorbent assay |
| FSC | Forward scatter |
| GAPDH | Glyceraldehyde 3-phosphate dehydrogenase |
| HC | Healthy control |
| Hu | Human |
| LEAF | Low endotoxin, azide-free |
| MFI | Mean fluorescence intensity |
| Ms | Mouse |
| MZ | Marginal zone |
| NS B | Non-switched B cell |
| PBMC | Peripheral blood mononuclear cells |
| PFA | Paraformaldehyde |
| qPCR | Quantitative polymerase chain reaction |
| RQ | Relative quantification |
| S B | Switched B cell |
| SLE | Systemic lupus erythematosus |
| SSc | Systemic sclerosis |
| SSC | Side scatter |
| TLR | Toll-like receptor |
| TMB | 3,3′,5,5′-Tetramethylbenzidine |
| Topo I | Topoisomerase I |