“…On the other hand, previous studies have documented the major role of YKL-40 in the inflammatory reactions, tissue injuries, remodeling, and repair, 43,51,52 and polarization of Th2, 40,53,54 which are all from the induced changes and mechanisms during the infection and the conflict against the parasite invasion. In addition, as variety of cells, including macrophages, neutrophils, SMC and FLC, are known to secrete the YKL-40 40,41,55,56 and essentially engaged in fighting the parasite and inducing an immune response, 57,58 it has been expected that excessive secretion of…”