GEO series
Identification of replicative aging and inflammatory aging signatures via whole-genome CRISPRi screens
GSE300879
Homo sapiens
Expression profiling by high throughput sequencing
16 samples
2025/06/27
GPL34284
Summary
Aging is one of the greatest risk factors for chronic diseases. Research on aging at the cellular level, especially in adult stem cells, is conducive to a comprehensive understanding of the molecular processes of aging. We performed multiple systematic genome-wide CRISPR interference (CRISPRi) screenings in human primary mesenchymal stem cells (MSC) derived from adipose tissues. Notably, we identified potential novel regulators in the progress of MSC senescence in terms of both replicative senescence and inflammatory induced senescence. Combining the functional genomic data with 405 GWAS datasets, including 50 aging-related studies, we observed that the inflammatory aging signatures identified from the CRISPRi screenings were significantly associated with diverse aging processes, suggesting novel signatures to analyze and predict aging status and aging-related disease. These novel signatures verified from the comprehensive functional genomics and genetic datasets may provide targets to interfere with the aging process as well as to improve cell therapy products.
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Paper (PMID 40770768) ↗
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