Engineering bacterial thiosulfate and tetrathionate sensors for detecting gut inflammation

KNM Daeffler, JD Galley, RU Sheth… - Molecular systems …, 2017 - embopress.org
There is a groundswell of interest in using genetically engineered sensor bacteria to study
gut microbiota pathways, and diagnose or treat associated diseases. Here, we …

Probiotics function mechanistically as delivery vehicles for neuroactive compounds: microbial endocrinology in the design and use of probiotics

M Lyte - Bioessays, 2011 - Wiley Online Library
I hypothesize here that the ability of probiotics to synthesize neuroactive compounds
provides a unifying microbial endocrinology‐based mechanism to explain the hitherto …

Role of mucus layers in gut infection and inflammation

GC Hansson - Current opinion in microbiology, 2012 - Elsevier
The intestinal mucus is an efficient system for protecting the epithelium from bacteria by
promoting their clearance and separating them from the epithelial cells, thereby inhibiting …

Studies of mucus in mouse stomach, small intestine, and colon. I. Gastrointestinal mucus layers have different properties depending on location as well as over the …

A Ermund, A Schütte, MEV Johansson… - American Journal …, 2013 - journals.physiology.org
Colon has been shown to have a two-layered mucus system where the inner layer is devoid
of bacteria. However, a complete overview of the mouse gastrointestinal mucus system is …

Loss of gut barrier integrity triggers activation of islet-reactive T cells and autoimmune diabetes

C Sorini, I Cosorich, M Lo Conte… - Proceedings of the …, 2019 - National Acad Sciences
Low-grade intestinal inflammation and alterations of gut barrier integrity are found in patients
affected by extraintestinal autoimmune diseases such as type 1 diabetes (T1D), but a direct …

[HTML][HTML] Commensal bacteria-dependent indole production enhances epithelial barrier function in the colon

Y Shimada, M Kinoshita, K Harada, M Mizutani… - PloS one, 2013 - journals.plos.org
Microbiota have been shown to have a great influence on functions of intestinal epithelial
cells (ECs). The role of indole as a quorum-sensing (QS) molecule mediating intercellular …

Sulfide as a mucus barrier-breaker in inflammatory bowel disease?

N Ijssennagger, R van der Meer… - Trends in molecular …, 2016 - cell.com
The gut epithelium is covered by mucus consisting of mucin polymers connected via
disulfide bonds. The mucus layer limits exposure of epithelial cells to toxins and bacteria. A …

[HTML][HTML] The role of dietary nutrients in inflammatory bowel disease

K Sugihara, TL Morhardt, N Kamada - Frontiers in immunology, 2019 - frontiersin.org
Inflammatory bowel disease (IBD) is a chronic and relapsing inflammatory disease of the
gastrointestinal tract. Although the precise etiology of IBD remains incompletely understood …

Experimental models to study intestinal microbes–mucus interactions in health and disease

L Etienne-Mesmin, B Chassaing… - FEMS microbiology …, 2019 - academic.oup.com
ABSTRACT A close symbiotic relationship exists between the intestinal microbiota and its
host. A critical component of gut homeostasis is the presence of a mucus layer covering the …

Effect of surface chemistry on nanoparticle interaction with gastrointestinal mucus and distribution in the gastrointestinal tract following oral and rectal administration in …

K Maisel, L Ensign, M Reddy, R Cone… - Journal of Controlled …, 2015 - Elsevier
It is believed that mucoadhesive surface properties on particles delivered to the
gastrointestinal (GI) tract improve oral absorption or local targeting of various difficult-to …