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Here, we present a human lung air\u2013liquid interface (ALI) alveolar epithelial model coupled to an omics-to-adverse outcome pathway (AOP) analysis, linking acute sublethal exposure to potential long-term toxicity outcomes. A non-tumorigenic, monoclonal lung alveolar epithelial cell line (Arlo), capable of forming a tight monolayer barrier, was basolaterally exposed to sublethal concentrations (0, 20, 60, 100\u00a0\u00b5g\/mL) of the profibrotic compound bleomycin. Dose-dependent modelling of transcriptomic signatures recapitulated known mechanisms of bleomycin-induced epithelial injury, consistent with early key events in fibrotic AOPs, enabling prediction of downstream adverse outcomes. The transcriptomic signature was overlayed on a network-based representation of human pulmonary fibrosis patient biopsies. When compared to a bleomycin exposed mouse lung model, the in vitro Arlo NAM performed comparably, especially for observing effects on extracellular matrix (ECM) restructuring in an acute exposure setting. Epigenomic profiling identified methylation changes associated with epithelial\u2013mesenchymal transition (EMT), suggesting potential long-term gene expression regulation through epigenetic control. By linking functional endpoints with dose\u2013response transcriptomic and epigenetic signatures, this work provides a reproducible schema for omics-to-AOP next-generation safety assessment and demonstrates that acute exposures can be modelled with a resource and time efficient NAM centred on toxicogenomics, informing on longer-term consequences.<\/jats:p>","DOI":"10.1007\/s00204-026-04563-0","type":"journal-article","created":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T02:58:47Z","timestamp":1790477927000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Linking acute exposure to future risk: an omics-to-AOP new approach method for next-generation risk assessment in a human in vitro lung air\u2013liquid interface model"],"prefix":"10.1007","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0053-4171","authenticated-orcid":false,"given":"Jack","family":"Morikka","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-3128-6656","authenticated-orcid":false,"given":"Ada","family":"Taubert","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6012-1398","authenticated-orcid":false,"given":"Hanna-Kaarina","family":"Juppi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0552-0155","authenticated-orcid":false,"given":"Giorgia","family":"Migliaccio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-5701-9734","authenticated-orcid":false,"given":"Zeyad","family":"Al-Abdulraheem","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0685-0893","authenticated-orcid":false,"given":"Lena","family":"M\u00f6bus","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-3890-3945","authenticated-orcid":false,"given":"Sanna","family":"Peltola","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-8917-1275","authenticated-orcid":false,"given":"Noora","family":"Perho","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-2875-0014","authenticated-orcid":false,"given":"Maaret","family":"Vaani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2554-9879","authenticated-orcid":false,"given":"Antonio","family":"Federico","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9195-9003","authenticated-orcid":false,"given":"Dario","family":"Greco","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,9,27]]},"reference":[{"key":"4563_CR1","doi-asserted-by":"publisher","DOI":"10.1186\/gb-2012-13-10-r87","volume":"13","author":"A Akalin","year":"2012","unstructured":"Akalin A, Kormaksson M, Li S et al (2012) methylKit: a comprehensive R package for the analysis of genome-wide DNA methylation profiles. 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