Journal
PLANT FOODS FOR HUMAN NUTRITION
Volume 77, Issue 3, Pages 399-404Publisher
SPRINGER
DOI: 10.1007/s11130-022-00980-5
Keywords
Taurine; Goji; 5-Fluorouracil; Inflammation; Intestinal permeability
Funding
- National Natural Science Foundation of China [32102128]
- Key Science & Technology Specific Projects of Anhui Province [2020b06050001, 201903b06020003]
- Funds of Huangshan Professorship of Hefei University of Technology [407-037019]
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This study demonstrated that taurine can alleviate intestinal mucositis caused by 5-fluorouracil chemotherapy by improving oxidative stress, intestinal epithelial tight junction, and regulating inflammatory response signaling pathways and gut microbiota metabolites.
Taurine (Tau), a beta-amino acid, exists in red goji fruit (Lycium barbarum L.). It exerts many cellular physiological functions such as anti-inflammation and oxidation resistance. The chemotherapy drug 5-fluorouracil (5FU) can cause intestinal mucositis. However, current therapeutic approaches for mucositis have limited efficacy and are associated with various side effects. It is still unknown whether Tau can alleviate intestinal mucositis. This study aimed to investigate the protective effect of the Tau in a mucositis mouse model and elucidate the underlying molecular mechanisms. The intestinal mucositis symptoms were alleviated by the Tau administration as evidenced by decreased body weight loss, histopathological score, oxidative stress, and improved glutathione (GSH). The Tau supplementation strengthened intestinal epithelial tight junction and reduced serum lipopolysaccharide (LPS) levels in intestinal mucositis mice. Moreover, the 5FU-induced inflammatory responses were alleviated by Tau treatment via the nuclear factor erythroid 2-related factor 2/heme oxygenase-1 (Nrf2/HO-1) and nuclear factor kappa-B/inducible nitric oxide synthase (NF-kappa B/iNOS) signaling pathway. Tau administration modulated short chain fatty acids (SCFAs) in the colon of mice. The results indicated that the Tau might be a new dietary strategy for intestinal mucositis caused by 5FU.
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