ILC2s are key players in the emergence of type 2 inflammation in many pulmonary diseases. While several phenotypic markers can be used to identify ILC2s, our method utilizes the surface markers CD127 and ST2 to classify a group of type 2 cytokine-producing ILC2s upon activation by the fungal allergen Alternaria alternata . Here, we provide our protocol for the detection and isolation of a highly pure population of pulmonary mouse ILCs via flow cytometry and cell sorting. We also describe the methods for in vitro stimulation to assess the functionality of ILC2s.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9397487PMC
http://dx.doi.org/10.1007/978-1-0716-2364-0_12DOI Listing

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