Ferulik Asit, DJ-1-Nrf2 ve Sirt1-NF- ⁇ B-NLRP3 Pathways aracılığıyla Radyoaktif Bağırsak Yaralanması ile interfere olur.

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Radiation-induced intestinal injury is a common complication of radiotherapy for abdominal and pelvic malignancies. Due to its rapid proliferation, the small intestine is particularly sensitive to radiation, making it a critical factor limiting treatment. Ferulic acid (FA), a derivative of cinnamic acid, exhibits antioxidant, anti-inflammatory, and anti-radiation properties. In this study, we established a mouse model of radiation-induced intestinal injury using a dose of 11 Gy at a rate of 96.62 cGy/min. Our findings indicate that FA's protective effects against radiation-induced intestinal injury may be mediated through the parkinsonism-associated deglycase (DJ-1) nuclear factor erythroid 2-related factor 2 (Nrf2) and silent mating type information regulation 2 homolog 1 (Sirt1) nuclear Factor kappa-light-chain-enhancer of activated B cells (NF-κB) NOD-like receptor family, pyrin domain containing 3 (NLRP3). FA was found to mitigate changes in oxidative stress indices and inflammatory factors induced by radiation, as well as to attenuate radiation-induced pathological alterations in the small intestine. Furthermore, FA enhanced the expression of DJ-1 and Nrf2 at both the transcriptional and protein levels, inhibited NLRP3 protein fluorescence intensity, and reduced the expression of NLRP3, interleukin-18 (IL-18), and interleukin-1 beta (IL-1β). Additionally, FA suppressed the transcription and translation of NF-κB, NLRP3, cysteine-aspartic acid protease-1 (Caspase-1), IL-18, and IL-1β by upregulating Sirt1, thereby alleviating radiation-induced inflammatory injury in the small intestine. Thus, FA holds promise as an effective therapeutic agent for ameliorating radiation-induced intestinal injury.

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