FN1 and infection: In vitro infection tests have shown that S. aureus counteracts the extracellular bactericidal mechanism of mast cells (MCs) by increasing fibronectin-binding protein expression and inducing Hla-ADAM10 (a disintegrin and metalloproteinase 10)-mediated upregulation of β1 integrins in MCs (Goldmann et al., 2016).