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  • Alijagic, Andi,1992-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre (author)

Metabolic and phenotypic changes induced by PFAS exposure in two human hepatocyte cell models

  • Article/chapterEnglish2024

Publisher, publication year, extent ...

  • Elsevier,2024
  • printrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:oru-114390
  • https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-114390URI
  • https://doi.org/10.1016/j.envint.2024.108820DOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • PFAS are ubiquitous industrial chemicals with known adverse health effects, particularly on the liver. The liver, being a vital metabolic organ, is susceptible to PFAS-induced metabolic dysregulation, leading to conditions such as hepatotoxicity and metabolic disturbances. In this study, we investigated the phenotypic and metabolic responses of PFAS exposure using two hepatocyte models, HepG2 (male cell line) and HepaRG (female cell line), aiming to define phenotypic alterations, and metabolic disturbances at the metabolite and pathway levels. The PFAS mixture composition was selected based on epidemiological data, covering a broad concentration spectrum observed in diverse human populations. Phenotypic profiling by Cell Painting assay disclosed predominant effects of PFAS exposure on mitochondrial structure and function in both cell models as well as effects on F-actin, Golgi apparatus, and plasma membrane-associated measures. We employed comprehensive metabolic characterization using liquid chromatography combined with high-resolution mass spectrometry (LC-HRMS). We observed dose-dependent changes in the metabolic profiles, particularly in lipid, steroid, amino acid and sugar and carbohydrate metabolism in both cells as well as in cell media, with HepaRG cell line showing a stronger metabolic response. In cells, most of the bile acids, acylcarnitines and free fatty acids showed downregulation, while medium-chain fatty acids and carnosine were upregulated, while the cell media showed different response especially in relation to the bile acids in HepaRG cell media. Importantly, we observed also nonmonotonic response for several phenotypic features and metabolites. On the pathway level, PFAS exposure was also associated with pathways indicating oxidative stress and inflammatory responses. Taken together, our findings on PFAS-induced phenotypic and metabolic disruptions in hepatocytes shed light on potential mechanisms contributing to the broader comprehension of PFAS-related health risks.

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  • Sinisalu, Lisanna,1993-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre(Swepub:oru)lsu (author)
  • Duberg, Daniel,1985-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre(Swepub:oru)ddg (author)
  • Kotlyar, Oleksandr,1982-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre; Centre for Applied Autonomous Sensor Systems (AASS), Mobile Robotics and Olfaction Lab (MRO)(Swepub:oru)okr (author)
  • Scherbak, Nikolai,1967-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre(Swepub:oru)nsk (author)
  • Engwall, Magnus,1965-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre(Swepub:oru)mel (author)
  • Oresic, Matej,1967-Örebro universitet,Institutionen för medicinska vetenskaper,Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, FI-20520 Turku, Finland; Department of Life Technologies, University of Turku, FI-20014 Turku, Finland(Swepub:oru)moc (author)
  • Hyötyläinen, Tuulia,1971-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre(Swepub:oru)tihn (author)
  • Örebro universitetInstitutionen för naturvetenskap och teknik (creator_code:org_t)

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  • In:Environment International: Elsevier1900160-41201873-6750

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