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Akt phosphorylates and activates endothelial nitric oxide synthase (eNOS) expressed in epithelial ciliated cells. Nitric oxide (NO) production by ciliated cells can have antibacterial and antiviral effects. Increasing nasal NO may be a useful antipathogen strategy in chronic rhinosinusitis (CRS). We previously showed that small\u2010molecule Akt activator SC79 induces nasal cell NO production and suppresses IL\u20108 via the transcription factor Nrf\u20102. We hypothesized that SC79 NO production may additionally have antibacterial effects.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>NO production was measured using fluorescent dye DAF\u2010FM. We tested effects of SC79 during co\u2010culture of<jats:italic>Pseudomonas aeruginosa<\/jats:italic>with primary nasal epithelial cells, using CFU counting and live\u2013dead staining to quantify bacterial killing. Pharmacology determined the mechanism of SC79\u2010induced NO production and tested dependence on Akt.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>SC79 induced dose\u2010dependent, Akt\u2010dependent NO production in nasal epithelial cells. The NO production required eNOS and Akt. The NO released into the airway surface liquid killed<jats:italic>P. aeruginosa<\/jats:italic>. No toxicity (LDH release) or inflammatory effects (IL8 transcription) were observed over 24\u00a0h.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Together, these data suggest multiple immune pathways are stimulated by SC79, with antipathogen effects. This in vitro pilot study suggests that a small\u2010molecule Akt activator may have clinical utility in CRS or respiratory other infection settings, warranting future in vivo studies.<\/jats:p><\/jats:sec>","DOI":"10.1002\/alr.23318","type":"journal-article","created":{"date-parts":[[2024,1,10]],"date-time":"2024-01-10T13:00:48Z","timestamp":1704891648000},"page":"1147-1162","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Akt activator SC79 stimulates antibacterial nitric oxide generation in human nasal epithelial cells in vitro"],"prefix":"10.1002","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5826-6686","authenticated-orcid":false,"given":"Robert J.","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania USA"},{"name":"Department of Physiology University of Pennsylvania 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