They included cholesterol metabolism, Hematopoietic cell lineage, Amoebiasis, PPAR signaling pathway, Pertussis, Human cytomegalovirus infection, NF-kappa B signaling pathway, TNF signaling pathway, Osteoclast differentiation, Fluid shear stress and atherosclerosis, MAPK signaling pathway, Cytokine–cytokine receptor interaction, and Phagosome. The gene discussed is PPARA; the disease is pertussis.