MMP9 and colorectal carcinoma: Cell‐free supernatants from Lacticaseibacillus casei and Lacticaseibacillus rhamnosus GG have been reported to reduce CRC cell invasion in vitro by reducing matrix metalloproteinase‐9 (MMP‐9) activity and expression of the tight junction protein zona occludens‐1 (ZO‐1) [9].