PPARA and systemic lupus erythematosus: Kyoto encyclopedia of genes and genomes pathway enrichment analysis indicated significant enrichment in hematopoietic cell lineage, Epstein-Barr virus infection, phagosome, systemic lupus erythematosus, peroxisome proliferator-activated receptors (PPAR) signaling pathway, ribosome, viral myocarditis and vitamin B6 metabolism (Fig. 2D).