Cfa82564-02a8-4e3a-a6cf-63a3c9a92014 - samples
Ontology highlight
ABSTRACT:
PROVIDER: EGAD00001004465 | EGA |
REPOSITORIES: EGA
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Project description:The aim of this study is to identify the specific bacteria that are responsible for pathological bacterial translocation and subsequent Th17 priming in the liver in primary sclerosing cholangitis (PSC). To clarify the mechanism of how microbiota interacts with the intestinal epithelial barrier, monolayered human intestinal organoids were cultured with the specific bacteria. Gene expression analysis using RNA sequencing in epithelial cells cultured with Klebsiella pneumoniae derived from a PSC patient (KP-P1) or commercially obtained Klebsiella pneumoniae strain (KP JCM1662) was performed in this study.
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2023-10-24 | PXD041004 | Pride
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Project description:Leber2015 - Mucosal immunity and gut
microbiome interaction during C. difficile infection
This model is described in the article:
Systems Modeling of
Interactions between Mucosal Immunity and the Gut Microbiome
during Clostridium difficile Infection.
Leber A, Viladomiu M, Hontecillas R,
Abedi V, Philipson C, Hoops S, Howard B, Bassaganya-Riera
J.
PLoS ONE 2015; 10(7): e0134849
Abstract:
Clostridium difficile infections are associated with the use
of broad-spectrum antibiotics and result in an exuberant
inflammatory response, leading to nosocomial diarrhea, colitis
and even death. To better understand the dynamics of mucosal
immunity during C. difficile infection from initiation through
expansion to resolution, we built a computational model of the
mucosal immune response to the bacterium. The model was
calibrated using data from a mouse model of C. difficile
infection. The model demonstrates a crucial role of T helper 17
(Th17) effector responses in the colonic lamina propria and
luminal commensal bacteria populations in the clearance of C.
difficile and colonic pathology, whereas regulatory T (Treg)
cells responses are associated with the recovery phase. In
addition, the production of anti-microbial peptides by inflamed
epithelial cells and activated neutrophils in response to C.
difficile infection inhibit the re-growth of beneficial
commensal bacterial species. Computational simulations suggest
that the removal of neutrophil and epithelial cell derived
anti-microbial inhibitions, separately and together, on
commensal bacterial regrowth promote recovery and minimize
colonic inflammatory pathology. Simulation results predict a
decrease in colonic inflammatory markers, such as neutrophilic
influx and Th17 cells in the colonic lamina propria, and length
of infection with accelerated commensal bacteria re-growth
through altered anti-microbial inhibition. Computational
modeling provides novel insights on the therapeutic value of
repopulating the colonic microbiome and inducing regulatory
mucosal immune responses during C. difficile infection. Thus,
modeling mucosal immunity-gut microbiota interactions has the
potential to guide the development of targeted fecal
transplantation therapies in the context of precision medicine
interventions.
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2024-09-02 | BIOMD0000000583 | BioModels
Project description:Pluripotent stem cell-derived cardiomyocytes (PSC-CMs) were transplanted into rats for one month to determine the change in morphology, structure, and function. Single cell RNA seq analysis was performed to compared the transcriptome of in vivo matured PSC-CMs to adult rat cardiomyocytes and in vitro cultured PSC-CMs.
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2011-11-22 | E-GEOD-31256 | biostudies-arrayexpress
Project description:Comparing transcriptome by means of DNA microarrays of Streptococcus pneumoniae D39 versus D39SM in medium without uracil. Details of this experiment are described in a paper with the title 'Interplay between capsule expression and uracil metabolism in Streptococcus pneumoniae'
2018-03-01 | GSE109128 | GEO