CD79A and systemic lupus erythematosus: The KEGG pathways of DEGs are shown in Fig. 6d, which were mainly enriched in immune-associated pathways, such as hematopoietic cell lineage, cytokine-cytokine receptor interaction, cell adhesion molecules, complement and coagulation cascades, intestinal immune network for IgA production, B cell receptor signaling pathway, SLE pathway and so on.