The effect of Raphanus sativus L. seeds on regulation of intestinal motility in rats consuming a high-calorie diet - 17/06/21
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Abstract |
Purpose |
The purpose of this study was to explore the effects of a short-term high-calorie diet and the regulation mechanism of Raphanus sativus L. seeds (RSL seeds) on the intestinal motility of young rats.
Methods |
We fed 20 Specific Pathogen Free (SPF) 4-week-old male Sprague-Dawley (SD) rats special high-calorie diet for 3 days and then randomized them to a high-calorie diet group (HCG, 10 rats) and an RSL seeds treatment group (TG, 10 rats). Ten rats of the same age served as the control group (CG). HCG and TG rats continued to be fed high-calorie feed. All of the rats were weighed every 2 days. After 3 days of treatment, the effects of RSL seeds on the regulation of intestinal motility in rats consuming a high-calorie diet were examined.
Results |
After 3 days of consuming a high-calorie diet, body weight was significantly lower in the HCG group than in the control group, and body weight of the HCG group increased slowly with time. Serum substance P (SP) and ghrelin levels were significantly lower, while the nitric oxide (NO) level was significantly higher. There were no differences in hematoxylin-eosin (HE) staining of colon sections between the groups. The expression levels of Cx43 and BDNF protein and mRNA in colon tissue were significantly lower in the HCG group. There were no significant differences in body weight between the CG and TG groups. Serum SP and ghrelin indexes in TG group were higher than those in the HCG group, and the NO index was significantly decreased. The expression levels of Cx43 and BDNF proteins and mRNA in the colon tissue were also significantly greater.
Conclusion |
Consumption of a short-term high-calorie diet may result in intestinal motility dysfunction and reduced intestinal motility. RSL seeds may improve the intestinal motility by regulating the secretion of gastrointestinal motility hormones and the expression of intestinal motility-related proteins, such as Cx43 and BDNF.
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Highlights |
• | Short-term high-calorie diet caused abnormal intestinal motility. |
• | RSL seeds improved the abnormal gastrointestinal function and motility caused by a high-calorie diet. |
• | TSL seeds affected the secretion of gastrointestinal motility-related neurotransmitters and brain–gut peptide hormones. |
• | RSL seeds regulated the quantity and functions of BDNF and Cx43. |
Keywords : Raphanus sativus L. seeds, High-calorie diet, Intestinal motility, Gastrointestinal hormones, Cx43, BDNF
Plan
Vol 140
Article 111705- août 2021 Retour au numéro
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