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Gi barrier function

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2 papers 25 to 100 followers
By Ana Monteiro Md/phd student
Alice Sabatino, Giuseppe Regolisti, Irene Brusasco, Aderville Cabassi, Santo Morabito, Enrico Fiaccadori
Recent studies have highlighted the close relationship between the kidney and the gastrointestinal (GI) tract--frequently referred to as the kidney--gut axis--in patients with chronic kidney disease (CKD). In this regard, two important pathophysiological concepts have evolved: (i) production and accumulation of toxic end-products derived from increased bacterial fermentation of protein and other nitrogen-containing substances in the GI tract, (ii) translocation of endotoxins and live bacteria from gut lumen into the bloodstream, due to damage of the intestinal epithelial barrier and quantitative/qualitative alterations of the intestinal microbiota associated with the uraemic milieu...
June 2015: Nephrology, Dialysis, Transplantation
Carli J Smith, Jacob R Emge, Katrina Berzins, Lydia Lung, Rebecca Khamishon, Paarth Shah, David M Rodrigues, Andrew J Sousa, Colin Reardon, Philip M Sherman, Kim E Barrett, Mélanie G Gareau
The gut-brain-microbiota axis is increasingly recognized as an important regulator of intestinal physiology. Exposure to psychological stress causes activation of the hypothalamic-pituitary-adrenal (HPA) axis and causes altered intestinal barrier function, intestinal dysbiosis, and behavioral changes. The primary aim of this study was to determine whether the effects of psychological stress on intestinal physiology and behavior, including anxiety and memory, are mediated by the adaptive immune system. Furthermore, we wanted to determine whether treatment with probiotics would normalize these effects...
October 15, 2014: American Journal of Physiology. Gastrointestinal and Liver Physiology
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