ArticleObesity pillars2025
The association between hepatic steatosis, vitamin D status, and insulin resistance in adolescents with obesity.
Article in Obesity pillars, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- MASLD In Children - A Distinct Phenotype?Current obesity reports · 2026Review
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8 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Introduction: Epidemiological studies suggest an inverse relationship between circulating 25-hydroxy-vitamin D [25(OH)D] levels and insulin resistance (IR), yet interventional studies have yielded inconsistent findings. This study examined the relationship between changes in vitamin D status and markers of IR in adolescents, with a focus on the modifying effect of liver fat. Methods: A post-hoc analysis was performed using data from 44 adolescents participating in a 6-month observational study evaluating biomarkers of hepatosteatosis. Participants were categorized into two groups based on vitamin D status at the end of the observation period: those whose vitamin D levels increased or remained sufficient (VDI, n = 22) and those whose levels decreased or remained insufficient/deficient (VDD, n = 22). Liver fat percentage was measured using magnetic resonance imaging (MRI) fat-fraction, and IR was assessed using the updated Homeostatic Model Assessment for Insulin Resistance (HOMA2-IR) and the triglyceride-to-high-density lipoprotein cholesterol ratio (TG/HDL). Results: Across the cohort, liver fat was positively associated with HOMA2-IR (β = 0.08, p = 0.023). The association between changes in vitamin D status and HOMA2-IR trajectories was modified by liver fat but only in Hispanic adolescents (β = -0.18, p < 0.001). Among Hispanic adolescents in the VDD group, HOMA-IR worsened, particularly at higher levels of liver fat. In non-Hispanic adolescents, HOMA-IR increased in the VDD group (β = 0.65, p = 0.033) compared to the VDI group, independent of baseline liver fat. Across the cohort, changes in vitamin D status interacted with liver fat to influence TG/HDL trajectories (β = 0.20, p = 0.034). Conclusions: The metabolic response to changes in vitamin D status in adolescents with IR may vary based on racial and ethnic differences and liver fat status. These findings underscore the importance of considering liver fat and racial/ethnic background in vitamin D and metabolic health studies. Future research with more extensive and diverse cohorts spanning the fatty liver disease spectrum is needed to clarify these relationships.
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