IL-17A mab (Bio X Cell: 50 μg/mouse and 100 μg/mouse) or mouse IgG isotype control antibody (50 μg/mouse and 100 μg/mouse) was administered separately via the intraperitoneal route.13 (link)19 (link) Recombinant mouse IL-17A (rmIL-17A; PeproTech) was dissolved in sterile phosphate buffered saline (PBS) and instilled at a dose of 1 μg/mouse per time.13 (link) During allergen sensitization, IL-17A mab and rmIL-17A were given every 3 days beginning from the first to the second immunization for 3 times after each sensitization in total (marked as “TDI + IL-17A mab/S” and “TDI + recombinant IL [rIL]-17A/S”), while during the TDI challenge phase, IL-17A mab and rmIL-17A were given immediately after each inhalation (marked as “TDI + IL-17A mab/C” and “TDI + rIL-17A/C”).