Purified effector CD4+ T cells isolated from the lung of day 14–infected WT or Il17rb−/− mice at 2 × 105 cells were stimulated with recombinant IL-25 and/or IL-33 (R&D Systems) at 10 ng/mL in 96-well culture plate at 37 °C, 5% CO254 (link)–56 (link). After 36 h, the culture supernatant and stimulated cells were collected to analyze cytokine production via enzyme-linked immunosorbent assay (ELISA) and gene expression via RNA sequencing or real-time polymerase chain reaction (real-time PCR), respectively.
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