CAVIN4 and peritonitis: An upregulation of virulence factors in S. aureus, including hla, hlgB, enterotoxin family protein, staphylocoagulase, staphylococcal protein A, nucleases, intercellular adhesion proteins, fibronectin-binding proteins, drug-resistant genes glmU, murC, and murD, and penicillin-binding proteins, was demonstrated by Hu et al. using cutaneous abscess and peritonitis murine models [25].