ArticleNutrients2026
Preliminary In Vitro Screening of Structure-Dependent β-Hydroxybutyrate Responses to Dietary Fatty Acids in Hepatocyte Models.
Article in Nutrients, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
BACKGROUND/
objectivesControlled comparisons of extracellular β-hydroxybutyrate (β-HB) responses induced by individual dietary fatty acids (FAs) remain limited. This study established a preliminary hepatocyte-derived in vitro assay for comparing FA-associated β-HB responses and used exploratory descriptor-based modeling for hypothesis-generating FA ranking.
methodsDose- and time-dependent extracellular β-HB accumulation induced by nineteen dietary FAs was quantified in HepG2 and AML12 cells under nutrient-deprived assay conditions. For exploratory descriptor-based modeling, the 19-FA HepG2 dataset was split into 15 training compounds and four held-out compounds. Model stability was further assessed using repeated random splits, LOOCV, permutation testing, MCFA sensitivity analyses, and simple structural baseline models. Four additional structurally related FAs were tested only for preliminary experimental ranking assessment, not as an independent external test set.
resultsC8:0 and C10:0 consistently induced the highest extracellular β-HB accumulation, whereas most long-chain saturated FAs and very-long-chain monounsaturated FAs showed lower responses. The single four-compound held-out subset yielded an apparent R
conclusionsThis study provides a preliminary in vitro dataset for comparing extracellular β-HB responses to selected dietary FAs under defined nutrient-deprived hepatocyte assay conditions. The descriptor-based analysis should be interpreted only as a small-sample, exploratory, hypothesis-generating structure-response framework.
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