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Radiation enteritis (RE) is the most common complication during radiotherapy, although safe and effective drugs for the treatment of RE are deficient. Probiotics have been demonstrated to own antiradiation function. Synbiotics are composed of probiotics and prebiotics, which enhance the ability of probiotics. Here, inulin gel (IG) that own the ability to resist gastric acid and retain in the colon were used to load three types of probiotics, including Bacillus cereus (BC), Bacillus licheniformis (BL), and Lactobacillus reuteri (LR), respectively. The RE pharmacodynamic studies of them were conducted. The probiotics were embedded in the IG by scanning electron microscopy and confocal laser scanning microscopy. IG promoted the growth of probiotics compared to probiotics alone. Animal experiments were approved by the Ethics Committee of the Academy of Military Medical Sciences and the experiments were conducted in accordance with relevant guidelines and regulations (No. IACUC-DWZX-2024-P510). Mice experienced the whole abdominal irradiation of 13 Gy γ rays to form RE models. Compared to correspondingly probiotics alone, all probiotic-loaded IG synbiotics had the better prevention and treatment efficiencies in repairing the intestinal barriers, improving the structure of crypts, oxidative stress, inflammation, and imbalanced gut microbiota and promoting the recovery of intestinal villus, where the Bacillus cereus-loaded IG was the best. This study provides a novel therapeutic for the prevention and treatment of RE.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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