Plant-Derived Senotherapeutics in Cellular Senescence: A Scoping Review of Preclinical Evidence, Mechanistic Pathways, and Metabolomic-Guided Discovery
Abstract
Senotherapeutic agents targeting senescent cell (SnC) accumulation represent a promising frontier in aging research. These agents encompass senolytics that selectively eliminate accumulated SnCs and senomorphics that suppress the pathological persistence of the senescence-associated secretory phenotype (SASP). Concerns regarding off-target effects of synthetic senolytics have intensified interest in plant-derived alternatives that offer multitargeted mechanisms and favorable safety profiles. This scoping review was conducted following Joanna Briggs Institute guidelines and PRISMA-ScR, mapped preclinical evidence on plant-derived senotherapeutics published between 2015 and 2025 across PubMed, Scopus, Web of Science, Wiley Library and Google Scholar. Of 1355 identified articles, 111 studies met inclusion criteria. Most characterized compound classes included flavonoids, non-flavonoid polyphenols and stilbenes, terpenoids and alkaloids, and combination and complex plant extracts. Mechanistically, BCL-2/BCL-XL apoptosis, PI3K/AKT/mTOR and p53/p21/p16INK4a modulation emerged as senolytic mechanisms, while NF-κB-mediated SASP suppression predominated among senomorphic agents. Ginkgetin-mediated cyclic GMP-AMP-synthase-stimulator of interferon genes (cGAS-STING) inhibition was identified as a mechanistically novel target within natural senotherapy. Metabolomics demonstrated dual utility in guiding compound discovery from complex plant matrices (e.g., phenolamides from Allium…
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