Prebiotics fructo-, galacto-, and mannan-oligosaccharide do not protect against 5-fluorouracil induced intestinal mucositis in rats

Roger Yazbeck, Ruth Lindsay, Mark Geier, Ross Butler, Gordon Howarth

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Background: Prebiotics selectively stimulate the growth of beneficial bacteria within the gastrointestinal tract, and have been investigated in human and animal studies for their capacity to improve intestinal health. Objective: We investigated the prebiotics fructo-oligosaccharide (FOS), galacto-oligosaccharide (GOS), and mannan-oligosaccharide (MOS) for their potential to alleviate intestinal damage in rats. Methods: Female Dark Agouti rats (6-8 wk old, 110-150 g) were allocated to 1 of the following treatment groups (n = 8/group): saline/water, saline/FOS, saline/GOS, saline/MOS, 5-fluorouracil (5FU)/water, 5FU/FOS, 5FU/GOS, and 5FU/MOS. Rats were pretreated with either 5% GOS, MOS, or FOS or vehicle (water) from day-12 to day 0. On day 0, rats received a single intraperitoneal injection of saline or 5FU. Metabolic data were recorded daily and all rats were killed on day 3. Histopathology was quantified in hematoxylin and eosin-stained sections. Intestinal sucrase and myeloperoxidase activity were quantified by biochemical assay. Fecal SCFAs-acetic, propionic, and butyric acid-were also measured. Statistical analysis was by repeated-measures, 2-factor ANOVA or Kruskal-Wallis and Mann-Whitney U test; P < 0.05 was considered statistically significant. Results: Body weight was significantly decreased in all treatment groups after 5FU injection, with no change in body weight observed in any prebiotic treatment group. Total food intake was lower by ≥7% in the GOS treatment group pre-5FU than in all other groups (P < 0.05). Ileal villus height was 18% higher in GOS-treated rats pre-5FU than in respective water controls (P < 0.05). Jejunal and ileal villus height and crypt depth were significantly decreased in all treatment groups after 5FU injection, with no prebiotic effect observed. SCFAs were differentially increased in prebiotic treatment groups compared with water-only controls (P < 0.05). Conclusions: FOS, GOS, and MOS have differential effects in modifying small intestinal pathology and SCFA profiles in rats with healthy and damaged small intestinal mucosa.

Original languageEnglish
Pages (from-to)2164-2173
Number of pages10
JournalJournal of Nutrition
Volume149
Issue number12
DOIs
Publication statusPublished - 1 Dec 2019

Keywords

  • animal model
  • rat
  • intestinal damage
  • prebiotics
  • small intestine

Fingerprint

Dive into the research topics of 'Prebiotics fructo-, galacto-, and mannan-oligosaccharide do not protect against 5-fluorouracil induced intestinal mucositis in rats'. Together they form a unique fingerprint.

Cite this