The treatment reduced oxidative stress, suppressed inflammation, and remodeled the gut microbiome in naturally aging mice while prolonging survival in nematodes.
A screen of 800 natural compounds identified a phytochemical that activates autophagy and restores cell-cycle activity in models of cellular exhaustion.
Multi-omics profiling in Drosophila links chromatin regulation to increased ATP, higher NAD-to-NADH ratios, and altered lipid metabolism in aged heads.
A Mendelian randomization analysis of 91 circulating inflammatory markers identified tumor necrosis factor-beta as causally linked to better muscle mass, grip strength, and walking pace.
Loss of the cGAMP-degrading enzyme ENPP1 allows microglia-derived signaling molecules to trigger STING-dependent inflammation across multiple brain cell types.
Aged male mice showed far larger proteomic shifts than females following microglial removal, including alterations in synaptic and mitochondrial proteins.
bioRxiv : the preprint server for biology · Beganovic A et al.
Single-nucleus sequencing reveals disrupted signaling between satellite cells and fibro-adipogenic progenitors during muscle regrowth in older females.
bioRxiv : the preprint server for biology · Skiles CM et al.
While lifelong depletion reduced muscle strength, short-term deficiency in adult mice induced hypertrophy without degrading muscle quality or contractile performance.
bioRxiv : the preprint server for biology · Son W et al.
Researchers identified a transient senescent-like monocyte state governed by the transcription factor AP-1 that primes cells toward inflammatory and sepsis-associated states.
bioRxiv : the preprint server for biology · Vasilopoulos T et al.
Human neurons from frontotemporal lobar degeneration patients showed ultra-low-frequency TARDBP variants that were less abundant in individuals who died at older ages.
bioRxiv : the preprint server for biology · Bidhan V et al.
In cultured fibroblasts and mice, apolipoprotein D triggers SUN1 accumulation, reinforcing a signaling cycle that alters gene expression and cellular polarity.
bioRxiv : the preprint server for biology · Chen M et al.
Researchers linked poor auditory nerve synchrony and myelin degradation to amplified communication difficulties in older humans, beyond standard hearing thresholds.
medRxiv : the preprint server for health sciences · Harris KC et al.
A large genomic analysis reveals over 800 inherited variants and structural features that alter how frequently chromosomes missegregate in aging individuals.
medRxiv : the preprint server for health sciences · Si Y et al.
Cortical neurons gain mutations at similar yearly rates across six species, leaving aged humans with uniquely high mutational burdens and transcriptomic dysregulation.
bioRxiv : the preprint server for biology · Caglayan E et al.