Transplanting ovaries between younger and older mice shifted molecular age estimates in both directions, but the changes remained partial.Transplanting ovaries between younger and older mice shifted molecular age estimates in both directions, but the changes remained partial.
In killifish experiments, lifelong mating reduced inflammation in old females’ main liver cells, while models based on gene activity predicted “younger” ages for several…In killifish experiments, lifelong mating reduced inflammation in old females’ main liver cells, while models based on gene activity predicted “younger” ages for several liver cell types.
In UK Biobank participants, higher birthweight was associated with slower aging in 11 organs, while breastfeeding was linked to slower intestine and adrenal aging.In UK Biobank participants, higher birthweight was associated with slower aging in 11 organs, while breastfeeding was linked to slower intestine and adrenal aging.
In aged mice, periodic red light exposure raised histone acetylation across tissues and reduced SIRT4 levels in skin cells to activate lipid metabolism.In aged mice, periodic red light exposure raised histone acetylation across tissues and reduced SIRT4 levels in skin cells to activate lipid metabolism.
Four patterns captured most variation in connections across 438 brain regions and were reproducible across repeated scans and independent datasets.Four patterns captured most variation in connections across 438 brain regions and were reproducible across repeated scans and independent datasets.
Preprint: cross-sectional study in peopleAI & data
In an older Scottish cohort, epigenetic age and brain volume outmatched plasma proteomic organ clocks for predicting long-term all-cause mortality.In an older Scottish cohort, epigenetic age and brain volume outmatched plasma proteomic organ clocks for predicting long-term all-cause mortality.