ArticleScientific reports2026
Gut microbiome signatures associate with DNA methylation-based biological aging.
Article in Scientific reports, 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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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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Abstract
Recent advances in machine learning have applied novel tools to aging research, yet the relationship between the gut microbiome and epigenetic aging remains underexplored. This proof-of-concept study investigates whether gut microbial composition is associated with biological aging pace independent of chronological age. Using paired 16S rRNA gene sequencing and DNA methylation data from 123 monocyte-enriched samples in a cohort including Native Hawaiian and Pacific Islander participants, we developed "EpiBiome" models to predict epigenetic age acceleration residuals and DunedinPACE, a DNA methylation biomarker that estimates the instantaneous pace of biological aging. Models predicting residuals of traditional clocks (Horvath, Levine, GrimAge2) showed no predictive signal at either taxonomic rank. By contrast, the EpiBiome-Accel model for DunedinPACE reached statistical significance at both the species level (R
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