ArticleIn vivo (Athens, Greece)
Influence of Feeding Time on a Non-steroidal Anti-inflammatory Drug-induced Small Intestinal Injury Mouse Model.
Article in In vivo (Athens, Greece). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
BACKGROUND/
aimNon-steroidal anti-inflammatory drugs (NSAIDs), the most widely used pharmaceuticals, induce various adverse effects, including gastrointestinal injuries, such as ulcers and bleeding. Animal models of NSAID-induced small intestinal injury (NSI) have been extensively employed for the development of preventive and therapeutic agents. However, some experimental variations related to feeding times have been observed following NSI induction. This study aimed to investigate the impact of feeding time on an NSI mouse model. MATERIALS AND
methodsThe mice were divided into eight groups: normal, sham, and model groups (with feeding times of 2 h, 6 h, 10 h, 14 h, 18 h, and 22 h; n=10 in each group). The mice were fasted for 18 h before the injection of indomethacin (15 mg/kg, subcutaneously), except for the normal group. Food supply was halted at specific time points (2 h, 6 h, 10 h, 14 h, 18 h, and 22 h); however, the normal and sham groups were continuously fed throughout the experiment. The length of the small intestine was measured, and histological analysis was performed 24 h after induction.
resultsUp to 14 h after induction, NSI, indicated by small intestine shortening, remained consistent, with a reduction in length of approximately 10-20%. However, feeding for more than 14 h significantly exacerbated NSI, both anatomically and histologically.
conclusionThe ulcerative changes observed in the small intestine 14 h after indomethacin injection may be closely associated with the influence of food on NSI.
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