Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Probiotics Supplements Reduce ER Stress and Gut Inflammation Associated With Gliadin Intake in Celiac Disease Mouse Model

Eleonora Ferrari
,
Romina Monzani
,
Valentina Saverio
ORCID logo ,
Mara Gagliardi
,
Elżbieta Pańczyszyn
,
Valeria Raia
,
Valeria Rachela Villella
ORCID logo ,
Marco Pane
,
Angela Amoruso
,
Marco Corazzari
*
Version 1 : Received: 22 December 2020 / Approved: 23 December 2020 / Online: 23 December 2020 (09:56:25 CET)
Version 2 : Received: 28 December 2020 / Approved: 28 December 2020 / Online: 28 December 2020 (16:59:04 CET)

A peer-reviewed article of this Preprint also exists.

Ferrari, E.; Monzani, R.; Saverio, V.; Gagliardi, M.; Pańczyszyn, E.; Raia, V.; Villella, V.R.; Bona, G.; Pane, M.; Amoruso, A.; Corazzari, M. Probiotics Supplements Reduce ER Stress and Gut Inflammation Associated with Gliadin Intake in a Mouse Model of Gluten Sensitivity. Nutrients 2021, 13, 1221. Ferrari, E.; Monzani, R.; Saverio, V.; Gagliardi, M.; Pańczyszyn, E.; Raia, V.; Villella, V.R.; Bona, G.; Pane, M.; Amoruso, A.; Corazzari, M. Probiotics Supplements Reduce ER Stress and Gut Inflammation Associated with Gliadin Intake in a Mouse Model of Gluten Sensitivity. Nutrients 2021, 13, 1221.

Abstract

Celiac disease (CD) is a permanent intolerance to dietary protein, gluten, from wheat rye and barley. It occurs in about 1% worldwide population, in genetically predisposed individuals bearing human leukocyte antigen (HLA) DQ2/DQ8. Gut epithelial cell stress and innate immune activation are responsible for breaking oral tolerance to gliadin, the gluten component. To date, the only treatment available for CD is a long-term gluten-free diet. Several evidences show that an altered composition of the intestinal microbiota (dysbiosis) could play a key role in the pathogenesis of CD, through the modulation of intestinal permeability and the regulation of the immune system. Here we show that gliadin induces a chronic ER stress condition in the small intestine of a CD mouse model and that the co-administration of probiotics efficiently attenuates both UPR and gut inflammation. Moreover, the composition of probiotics formulations might differ in their activity at molecular level, especially toward the three axes of the UPR. Therefore, rebalancing the gut microbiota composition by probiotics administration might rep-resent a new strategy to treat CD affected patients.

Keywords

CD; UPR; TG2; CFTR; probiotics

Subject

Biology and Life Sciences, Anatomy and Physiology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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