Chestnut shell tannins: Effects on intestinal inflammation and dysbiosis in Zebrafish

Graziella Orso, Mikhail M. Solovyev, Serena Facchiano, Evgeniia Tyrikova, Daniela Sateriale, Elena Kashinskaya, Caterina Pagliarulo, Hossein S. Hoseinifar, Evgeniy Simonov, Ettore Varricchio, Marina Paolucci, Roberta Imperatore

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

The aim of the present study was to test the possible ameliorative efficacy of phytochemicals such as tannins on intestinal inflammation and dysbiosis. The effect of a chestnut shell (Castanea sativa) extract (CSE) rich in polyphenols, mainly represented by tannins, on k-carrageenan-induced intestinal inflammation in adult zebrafish (Danio rerio) was tested in a feeding trial. Intestinal inflammation was induced by 0.1% k-carrageenan added to the diet for 10 days. CSE was administered for 10 days after k-carrageenan induced inflammation. The intestinal morphology and histopathology, cytokine expression, and microbiota were analyzed. The k-carrageenan treatment led to gut lumen expansion, reduction of intestinal folds, and increase of the goblet cells number, accompanied by the upregulation of pro-inflammatory factors (TNFα, COX2) and alteration in the number and ratio of taxonomic groups of bacteria. CSE counteracted the inflammatory status enhancing the growth of health helpful bacteria (Enterobacteriaceae and Pseudomonas), decreasing the pro-inflammatory factors, and activating the anti-inflammatory cytokine IL-10. In conclusion, CSE acted as a prebiotic on zebrafish gut microbiota, sustaining the use of tannins as food additives to ameliorate the intestinal inflammation. Our results may be relevant for both aquaculture and medical clinic fields.

Язык оригиналаанглийский
Номер статьи1538
ЖурналAnimals
Том11
Номер выпуска6
DOI
СостояниеОпубликовано - июн 2021

Предметные области OECD FOS+WOS

  • 4.02.AD СЕЛЬСКОЕ ХОЗЯЙСТВО, МОЛОЧНОЕ ДЕЛО, ЖИВОТНОВОДСТВО
  • 4.03 ВЕТЕРИНАРНЫЕ НАУКИ

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