Article Publish Status: FREE
Abstract Title:

Prophylactic Treatment with Vitamins C and B2 for Methotrexate-Induced Gastrointestinal Mucositis.

Abstract Source:

Biomolecules. 2020 Dec 29 ;11(1). Epub 2020 Dec 29. PMID: 33383956

Abstract Author(s):

Ana Rita da Silva Ferreira, Hannah R Wardill, Rick Havinga, Wim J E Tissing, Hermie J M Harmsen

Article Affiliation:

Ana Rita da Silva Ferreira


Mucositis is a common side-effect of chemotherapy treatment, inducing alterations in the composition of the gut microbiota. Redox active compounds, such as vitamins B2 and C, have been shown to reduce inflammation and enhance the growth of anaerobic bacteria in the gut. We therefore aimed to (1) validate the ability of these compounds to promote bacterial cell growth in vitro, and (2) determine their prophylactic efficacy in a rat model of methotrexate (MTX)-induced mucositis. Bacterial growth curves were performed to assess the growth kinetics of bacteria exposed to Vitamins C and B2 (0.5 mM). Male wistar rats (150-200 g) received vitamins B2 (12 mg/day) and C (50 mg/day) via daily oral gavage (from day -1 to day 10). MTX (45 mg/Kg) was administrated via I.V. injection (N = 4-8/group) on day 0. Body weight, water/food consumption and diarrhea were assessed daily. Blood and faecal samples were collected longitudinally to assess citrulline levels (mucositis biomarker) and gut microbiota composition. Vitamins C/B2 enhanced the in vitro growth of anaerobic bacteriaand. Contrarily to vitamin B2, in vivo administration of Vitamin C significantly attenuated clinical symptoms of mucositis. Despite their influence on the composition of the gut microbiota, both vitamins did not modulate the course of MTX-induced mucositis, as accessed by plasma citrulline. Vitamins B2 and C enhanced anaerobic bacterial growth in vitro, however their ability to mitigate MTX-induced mucositis was limited.

Study Type : In Vitro Study

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