Trematodes, a class of parasitic flatworms, are responsible for a variety of devastating diseases in humans and animals, with schistosomiasis and fascioliasis being prominent examples. Trematode proteolytic systems involved in the host-parasite interaction have emerged as key contributors to the success of trematodes in establishing and maintaining infections. This review concentrates on diverse proteases and protease inhibitors employed by trematodes and provides an update on recent advances in their molecular-level characterization, with a focus on function, structure, and therapeutic target potential.
Keywords: Cathepsin; Clonorchis; Fasciola; Opisthorchis; Paragonimus; Protease; Protease inhibitor; Schistosoma; Trematoda; Trichobilharzia.
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