MMP2 and infection: The remarkably strong antibiofilm effects of ancorinoside B (2) at concentrations not toxic to the constituent microorganisms, and its reducing effect on the secretion and expression of matrix metalloproteinases 2 and 9 make it a promising candidate for application as a pleiotropic agent in a medicinal context, e.g., for the control of the general hospital, catheter, or joint protheses infections.