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Publications associées (30)

L-Cell Differentiation Is Induced by Bile Acids Through GPBAR1 and Paracrine GLP-1 and Serotonin Signaling

Kristina Schoonjans, Giovanni Sorrentino

Glucagon-like peptide 1 (GLP-1) mimetics are effective drugs for treatment of type 2 diabetes, and there is consequently extensive interest in increasing endogenous GLP-1 secretion and L-cell abundance. Here we identify G-protein-coupled bile acid receptor ...

AMER DIABETES ASSOC2020

Intestinal Fish Cell Barrier Model to Assess Transfer of Organic Chemicals in Vitro: An Experimental and Computational Study

Kristin Schirmer, Hannah Inka Schug, Anze Zupanic, Jenny Maner

We studied the role of the fish intestine as a barrier for organic chemicals using the epithelial barrier model built on the rainbow trout (Oncorhynchus mykiss) intestinal cell line, RTgutGC and the newly developed exposure chamber, TransFEr, specifically ...

AMER CHEMICAL SOC2019

Fish-gut-on-chip: development of a microfluidic bioreactor to study the role of the fish intestine in vitro

Philippe Renaud, Kristin Schirmer, Sarah-Katharina Könemann, Carolin Drieschner

In this study we present the first fish-gut-on-chip model. This model is based on the reconstruction of the intestinal barrier by culturing two intestinal cell lines from rainbow trout, namely epithelial RTgutGC and fibroblastic RTgutF, in an artificial mi ...

2019

What is the role of fish intestine as environment-organism barrier? Mechanistic investigations using fish intestinal cells on a chip

Carolin Drieschner

The gut of fish belongs to the most essential barriers that mark the border between the organism and its surrounding environment. The pivotal barrier function, allowing to absorb nutrients from the diet while simultaneously protecting the organism from pat ...

EPFL2018

FIBCD1 Binds Aspergillus fumigatus and Regulates Lung Epithelial Response to Cell Wall Components

Lalit Kumar Dubey

Aspergillus fumigatus (A. fumigatus) is a ubiquitous fungus of clinical importance associated with development of various pulmonary diseases and allergic hypersensitivity reactions. It is protected against environmental stress by a cell wall that contains ...

FRONTIERS MEDIA SA2018

An Exploratory Study On The Functional Significance Of Eosinophil Residency In The Small Intestine Under Homeostatic Conditions

Kathleen Shah

The small intestine is a highly dynamic and complex cellular ecosystem, which serves as the primary interface between the host and its environment. A critical component of this ecosystem is the microbiota, which plays a pivotal role in shaping both immune ...

EPFL2018

Anatomy and Physiology of the Digestive Tract of Drosophila melanogaster

Bruno Lemaitre

The gastrointestinal tract has recently come to the forefront of multiple research fields. It is now recognized as a major source of signals modulating food intake, insulin secretion and energy balance. It is also a key player in immunity and, through its ...

GENETICS SOCIETY AMERICA2018

Bile acids deoxycholic acid and ursodeoxycholic acid differentially regulate human beta-defensin-1 and-2 secretion by colonic epithelial cells

Kristina Schoonjans, Alessia Perino

Bile acids and epithelial-derived human beta-defensins (H beta Ds) are known to be important factors in the regulation of colonic mucosal barrier function and inflammation. We hypothesized that bile acids regulate colonic H beta D expression and aimed to t ...

Federation of American Society of Experimental Biology2017

miR-511-3p, embedded in the macrophage mannose receptor gene, contributes to intestinal inflammation

Michele De Palma, Mario Leonardo Squadrito

MiR-511-3p is embedded in intron 5 of the CD206/MRC1 gene Mrc1, expressed by macrophage and dendritic cell populations. CD206 and miR-511-3p expression are co-regulated, and their contribution to intestinal inflammation is unclear. We investigated their ro ...

Nature Publishing Group2016

Farnesoid X receptor inhibits glucagon-like peptide-1 production by enteroendocrine L cells

Kristina Schoonjans, Alessia Perino, Yasmine Sebti

Bile acids are signalling molecules, which activate the transmembrane receptor TGR5 and the nuclear receptor FXR. BA sequestrants (BAS) complex bile acids in the intestinal lumen and decrease intestinal FXR activity. The BAS-BA complex also induces glucago ...

Nature Publishing Group2015

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