CD34 and systemic lupus erythematosus: By employing the same analytical principle (CLINVAR, REACTOME Reactions/Pathways and KEGG) on DEG between Healthy versus SLE BM CD34+ progenitors, although a similar immune reaction profile was evident, an extramedullary/migratory signature was not readily apparent in the SLE BM CD34+ HSPCs, as judged by cytokine and cytokine-receptor interaction gene expression profile (Supplementary Fig. 3A–C).