Research
Mixed
The accumulation of senescent cells in tissues drives organ degeneration and aging phenotypes, and their clearance extends lifespan and improves homeostasis in mammalian models.
Focus on maintaining immune system health and reducing chronic stressors that induce senescence. While direct 'senolytic' interventions are emerging, lifestyle factors that reduce cellular stress (exercise, balanced nutrition) may help manage senescent cell burden.
GoodSupportsHIGH confidence
reducing the level of senescent cells is associated with a significant decrease in the incidence of age-related disorders... and was shown recently to improve homeostasis and extend lifespan in mouse models
Why this rating
Based on multiple mouse model studies (Baker et al., 2008, 2011; Zhu et al., 2015; Baker et al., 2016; Baar et al., 2017) showing lifespan extension and disease reduction.
Source
The emerging role of alternative splicing in senescence and aging
Mathieu Deschênes et al. · Aging Cell · 2017
DOI 10.1111/acel.12646
narrative_reviewCited 169×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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- Alternative splicing of the p53 gene produces the p44 variant, which accelerates aging phenotypes, cognitive decline, and senescence by hyperactivating the IGF-1 pathway.Good
- Progeria (HGPS) is caused by a splicing mutation in the LMNA gene producing progerin, which sequesters in the nuclear membrane and reduces SIRT1 activity, modeling vascular aging.Good
- The splicing factor SFA-1 (SF1 homolog) promotes longevity in C. elegans, and its depletion compromises the longevity benefits of caloric restriction.Moderate
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