Article Publish Status: FREE
Abstract Title:

Non Digestible Oligosaccharides Modulate the Gut Microbiota to Control the Development of Leukemia and Associated Cachexia in Mice.

Abstract Source:

PLoS One. 2015 ;10(6):e0131009. Epub 2015 Jun 22. PMID: 26098097

Abstract Author(s):

Laure B Bindels, Audrey M Neyrinck, Nuria Salazar, Bernard Taminiau, Céline Druart, Giulio G Muccioli, Emmanuelle François, Christophe Blecker, Aurore Richel, Georges Daube, Jacques Mahillon, Clara G de los Reyes-Gavilán, Patrice D Cani, Nathalie M Delzenne

Article Affiliation:

Laure B Bindels


We tested the hypothesis that changing the gut microbiota using pectic oligosaccharides (POS) or inulin (INU) differently modulates the progression of leukemia and related metabolic disorders. Mice were transplanted with Bcr-Abl-transfected proB lymphocytes mimicking leukemia and received either POS or INU in their diet (5%) for 2 weeks. Combination of pyrosequencing, PCR-DGGE and qPCR analyses of the 16S rRNA gene revealed that POS decreased microbial diversity and richness of caecal microbiota whereas it increased Bifidobacterium spp., Roseburia spp. and Bacteroides spp. (affecting specifically B. dorei) to a higher extent than INU. INU supplementation increased the portal SCFA propionate and butyrate, and decreased cancer cell invasion in the liver. POS treatment did not affect hepatic cancer cell invasion, but was more efficient than INU to decrease the metabolic alterations. Indeed, POS better than INU delayed anorexia linked to cancer progression. In addition, POS treatment increased acetate in the caecal content, changed the fatty acid profile inside adipose tissue and counteracted the induction of markers controllingβ-oxidation, thereby hampering fat mass loss. Non digestible carbohydrates with prebiotic properties may constitute a new nutritional strategy to modulate gut microbiota with positive consequences on cancer progression and associated cachexia.

Study Type : Animal Study

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