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Exposure to environ...
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Oresic, Matej,1967-Örebro universitet,Institutionen för medicinska vetenskaper
(författare)
Exposure to environmental contaminants is associated with sex-specific disturbances of hepatic lipid metabolism in non-alcoholic fatty liver disease
- Artikel/kapitelEngelska2021
Förlag, utgivningsår, omfång ...
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Elsevier,2021
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:oru-93393
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https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-93393URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:vet swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Background and aims: Liver has a vital role in metabolism, distribution, and excretion of exogenous chemicals. The endocrine disrupting chemicals (EDCs) may act as a‘second hit’in the progression of NAFLD, advancing the earlier stages of liver pathology such as steatosis to more severe stages. A specific class of ECDs that have been linked with NAFLD are perfluorinated alkyl substances (PFAS), a class of commonly used industrial chemicals that humans are widelyexposed to. Due to the their structural similarity with fatty acids, PFAS may disrupt hepatic lipid metabolism. Furthermore, functionally, PFAS share some features with bile acids, including similar enterohepatic circulation. Nevertheless, human data linking PFAS exposure and lipid metabolism in the liver are currently lacking. The principal aim of our study was to define the impact of PFAS exposure on hepatic metabolism, with specific focus on bile acid and lipid metabolism.Method: In a well-characterized human NAFLD cohort of 105 individuals, we investigated the impact of PFAS exposure on liver metabolism in the individuals with NAFLD. Average BMI was 45.65 ± 5.99 kg/m2, with liver fat content varying between 0% and 80%. We comprehensively characterized both hepatic (liver biopsy) and serum metabolome using four analytical platforms, and measured PFAS in serum. We investigated the association between the NAFLD (liver fat %, NASH grade, fibrosis stage, insulin resistance), PFAS exposure, and metabolome.Results: PFAS exposurewas associated with NAFLD (Figure) as well as with changes in hepatic lipid and bile acid metabolism. Importantly, we observed sex-specific association between chemical exposure and NAFLD, linked with sex-specific changes in both hepatic and circulating metabolome. We noticed differences not only in the exposure profiles between the males and females, but, notably, also the impact of the exposure, as characterized both with the impact on metabolome but also on clinical parameters was clearly different between the males and females.Conclusion: Our results implicate that females may be more sensitive to the harmful impacts of PFAS. The results also suggest that the changes reported in the lipid metabolism due to PFAS exposure may be secondary to the interplay of PFAS and bile acids
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Sen, ParthoUniversity of Turku, Turku, Finland
(författare)
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Quadri, SamiUniversity of Helsinki, Helsinki, Finland
(författare)
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Luukkonen, PanuUniversity of Helsinki, Helsinki, Finland
(författare)
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Ragnarsdottir, OddnyÖrebro University, Örebro, Sweden
(författare)
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Jäntti, SirkkuUniversity of Helsinki, Helsinki, Finland
(författare)
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Juuti, AnneUniversity of Helsinki, Helsinki, Finland
(författare)
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Arola, JohannaUniversity of Helsinki, Helsinki, Finland
(författare)
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Yki-Järvinen, HanneleUniversity of Helsinki, Helsinki, Finland
(författare)
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Hyötyläinen, Tuulia,1971-Örebro universitet,Institutionen för naturvetenskap och teknik(Swepub:oru)tihn
(författare)
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Örebro universitetInstitutionen för medicinska vetenskaper
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Hepatology: Elsevier75:Suppl. 2, s. S605-S6060168-82781600-0641
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Oresic, Matej, 1 ...
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Sen, Partho
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Quadri, Sami
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Luukkonen, Panu
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Ragnarsdottir, O ...
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Jäntti, Sirkku
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visa fler...
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Juuti, Anne
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Arola, Johanna
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Yki-Järvinen, Ha ...
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Hyötyläinen, Tuu ...
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visa färre...
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Örebro universitet