Biochemical characterization and barrier-disrupting mechanism of TsATG4B, a C54 cysteine protease of Trichinella spiralis, underlying larval intestinal invasion
This study characterizes TsATG4B from *Trichinella spiralis* as a functional C54 cysteine protease that facilitates larval intestinal invasion by degrading host structural and immune molecules and disrupting epithelial tight junction barriers, offering a potential target for novel trichinellosis interventions.