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Metabolic signature of healthy lifestyle and its relation with risk of hepatocellular carcinoma in a large European cohort
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2018 (English)In: American Journal of Clinical Nutrition, ISSN 0002-9165, E-ISSN 1938-3207, Vol. 108, no 1, p. 117-126Article in journal (Refereed) Published
Abstract [en]

Background: Studies using metabolomic data have identified metabolites from several compound classes that are associated with disease-related lifestyle factors.

Objective: In this study, we identified metabolic signatures reflecting lifestyle patterns and related them to the risk of hepatocellular carcinoma (HCC) in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort.

Design: Within a nested case-control study of 147 incident HCC cases and 147 matched controls, partial least squares (PLS) analysis related 7 modified healthy lifestyle index (HLI) variables (diet, BMI, physical activity, lifetime alcohol, smoking, diabetes, and hepatitis) to 132 targeted serum-measured metabolites and a liver function score. The association between the resulting PLS scores and HCC risk was examined in multivariable conditional logistic regression models, where ORs and 95% CIs were computed.

Results: The lifestyle component's PLS score was negatively associated with lifetime alcohol, BMI, smoking, and diabetes, and positively associated with physical activity. Its metabolic counterpart was positively related to the metabolites sphingomyelin (SM) (OH) C14:1, C16:1, and C22:2, and negatively related to glutamate, hexoses, and the diacyl-phosphatidylcholine PC aaC32:1. The lifestyle and metabolomics components were inversely associated with HCC risk, with the ORs for a 1-SD increase in scores equal to 0.53 (95% CI: 0.38, 0.74) and 0.28 (0.18, 0.43), and the associated AUCs equal to 0.64 (0.57, 0.70) and 0.74 (0.69, 0.80), respectively.

Conclusions: This study identified a metabolic signature reflecting a healthy lifestyle pattern which was inversely associated with HCC risk. The metabolic profile displayed a stronger association with HCC than did the modified HLI derived from questionnaire data. Measuring a specific panel of metabolites may identify strata of the population at higher risk for HCC and can add substantial discrimination compared with questionnaire data. This trial was registered at clinicaltrials.gov as NCT03356535.

Place, publisher, year, edition, pages
American Society for Nutrition , 2018. Vol. 108, no 1, p. 117-126
Keywords [en]
hepatocellular carcinoma, targeted metabolomics, multivariate statistics, metabolic signatures, partial least squares, healthy lifestyle index, EPIC
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:umu:diva-150027DOI: 10.1093/ajcn/nqy074ISI: 000438059600014PubMedID: 29924298Scopus ID: 2-s2.0-85050796927OAI: oai:DiVA.org:umu-150027DiVA, id: diva2:1230198
Available from: 2018-07-03 Created: 2018-07-03 Last updated: 2018-08-10Bibliographically approved

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Sundkvist, Anneli

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