509 Cystic fibrosis transmembrane conductance regulator positively regulates angiotensin-converting enzyme 2 expression and SARS-CoV-2 viral entry into airway epithelial cells: Implications for patients with cystic fibrosis. - Bezzerri, V.; Gentili, V.; Boni, C.; Baldisseri, E.; Finotti, A.; Papi, C.; Tamanini, A.; Olioso, D.; Polimeni, A.; Leo, S.; Borgatti, M.; Volpi, S.; et al. (Journal of Cystic Fibrosis, 2022)