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Studies on the Protective Effect of Silybin Against Low-Dose Radiation-Induced Damage to the Immune System
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Studies on the Protective Effect of Silybin Against Low-Dose Radiation-Induced Damage to the Immune System
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Journal Article
Studies on the Protective Effect of Silybin Against Low-Dose Radiation-Induced Damage to the Immune System
2025
Overview
With growing public concern about the health effects of low-dose radiation, numerous studies have demonstrated that low-dose radiation can cause damage to the immune system, making intervention measures essential. This study investigated the protective effects of silybin against low-dose radiation-induced immune system damage and its underlying mechanisms at both the cellular and animal levels. At the cellular level, CCK-8 assays, ROS measurements, and RT-qPCR analysis revealed that silybin alleviated the reduction in RAW264.7 cell proliferation, intracellular ROS levels, and inflammatory cytokine expression following low-dose radiation exposure. At the animal level, comparative analyses of post-irradiation body weight, peripheral blood cell counts, immune organ coefficients, spleen HE/IHC staining, and spleen immune cell numbers demonstrated that silybin mitigated the radiation-induced decrease in body weight, reduction in peripheral blood leukocyte counts, inflammatory cell infiltration in the spleen, decline in spleen immune cell numbers, and increase in cGAS protein-positive cells. These findings indicate that silybin exerts protective effects against low-dose radiation-induced immune system damage, potentially by regulating the cGAS signaling pathway to reduce radiation-induced cellular injury, thereby enhancing its radioprotective properties.
Publisher
MDPI AG,MDPI
