The enriched KEGG pathways were related mainly to mineral absorption, protein digestion and absorption, the renin-angiotensin system, cardiac muscle contraction, salivary secretion, hypertrophic cardiomyopathy (HCM), Staphylococcus aureus infection, dilated cardiomyopathy (DCM), the hematopoietic cell lineage, and pancreatic secretion. Here, REN is linked to staphylococcus aureus infection.