A Nature Aging publication correction updates a multi-omics atlas of intestinal aging in non-human primates, mapping molecular changes across age, sex, and the proximal-to-distal axis of the gut. The work identifies regulatory factors that drive age-related deterioration of the intestinal barrier and mucosal environment, differing by anatomical segment and by sex. Correction notices do not alter the underlying scientific conclusions.
Key Points
- Intestinal aging mapped across age, sex, and gut region in primates
- Molecular signatures of aging differ between proximal and distal segments
- Regulatory candidates identified for barrier and mucosal decline
Longevity Analysis
The intestine is not a uniform organ, and treating it as one obscures where aging actually begins. Segment-specific and sex-specific molecular signatures argue for more precise interpretation of gut-derived signals — barrier permeability, immune activation, nutrient handling — rather than broad assumptions drawn from stool markers or single-site biopsies. Primate data of this resolution narrows the translational gap between rodent models and human intervention, where barrier integrity feeds directly into systemic inflammatory load, detoxification burden, and the capacity of tissues to regenerate.
Original published by Nature Aging, by Xinyuan Wang.