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A Systematic Review of the Mechanistic Effects of Ginsenosides on Enhancing Radiotherapy and Providing
Sepideh Abdi1, Saeid Heidari-Soureshjani2, Sahar Rostamian3
1Cancer Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran.
Introduction/Objective:
Radiotherapy (RT) is a standard cancer treatment that may be associated with problems such as ineffectiveness and side effects. This study investigated ginsenosides' radiosensitizing and radioprotective properties and their metabolites during RT.
Methods:
This study searched databases including PubMed/MEDLINE, Scopus, Embase, and Cochrane Library for articles before January 28, 2025. After specifying the inclusion and exclusion criteria, relevant articles were imported into EndNote software and screened. Then, the data were recorded in tables and analyzed.
Results:
After the screening process, 28 articles were included. Ginsenosides exhibited radioprotective effects in normal tissues by reducing oxidative stress, preserving mitochondrial integrity, enhancing DNA repair, modulating inflammatory pathways, and supporting hematopoiesis. Key compounds such as Rg1, Rg3, and Rh2 promoted tissue regeneration and protected against radiation-induced organ damage. In tumour cells, ginsenosides enhance radiosensitivity by increasing reactive oxygen species (ROS), disrupting mitochondrial function, inducing DNA damage and cell cycle arrest, and promoting apoptosis. They also inhibited tumour progression via nuclear factor kappa B (NF-κB) suppression and immune activation, reducing angiogenesis and metastasis. These dual actions suggest their potential to improve radiotherapy outcomes.
Discussion:
Ginsenosides revealed dual roles as radioprotective and radiosensitizing agents, highlighting their potential in improving RT outcomes. However, the limited clinical data and lack of ginseng extract studies indicate the need for future clinical studies to establish optimal dosing, safety, and relevance for humans.
Conclusion:
The findings of both in vivo and in vitro studies indicated that ginsenosides enhance RT and provide protective effects against the harmful impacts of ionizing radiation.
