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- W2776538095 abstract "Intestinal injury is inevitable during exposure to high radiation doses and is a common side effect observed during abdominal/pelvic radiotherapy. Yet, no radiation countermeasures are available for gastrointestine (GI) injury management. The aim of this study is to determine the effects of podophyllotoxin and rutin in combination (G-003M) on ionising radiation induced GI injury. We prophylactically administered G-003M to C57BL/6J mice exposed to 9 Gy total body radiation (TBI) and assessed for morphological changes, loss in absorption, fluid retention, biochemical alterations, immunohistochemical analysis to study cPARP, caspase-3, PCNA expression, and TUNEL staining. The irradiated intestine demonstrated extensive loss in crypts and villi, disrupted mucosal lining with reduced xylose uptake and enhanced fluid level post 7-day radiation. Mice receiving G-003M before radiation showed significant protection to intestinal epithelium, better allocation of secretory goblet cells, recovery in absorption, and reduced intestinal oedema. Additionally, G-003M administration also prevented radiation induced ROS generation, lipid peroxidation (MDA levels) and maintained the intestinal glutathione pool compared to the irradiated animals. G-003M supplementation also resulted in restoration of intestinal mitochondrial membrane potential, which was otherwise depolarised by radiation treatment. Immunohistochemical analysis demonstrated decrease in c-PARP and caspase-3 expression in jejuna cross sections and upregulation of PCNA in G-003M treated crypt cells as compared to 9 Gy irradiated mice. Our findings show that G-003M augment survival of mice against lethal radiation by promoting structural and functional regeneration in intestinal tissue. This combination therefore can be effectively explored for preventing radiation induced GI toxicity." @default.
- W2776538095 created "2018-01-05" @default.
- W2776538095 creator A5028040873 @default.
- W2776538095 creator A5042903378 @default.
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- W2776538095 date "2018-01-02" @default.
- W2776538095 modified "2023-09-24" @default.
- W2776538095 title "Podophyllotoxin and rutin in combination prevents oxidative stress mediated cell death and advances revival of mice gastrointestine following lethal radiation injury" @default.
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- W2776538095 doi "https://doi.org/10.1080/10715762.2017.1418982" @default.
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