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Human organotypic colon in vitro microtissue: unveiling a new window into colonic drug disposition.
Eur J Pharm Sci
January 2025
Preclinical Sciences & Translational Safety, Janssen R&D, Turnhoutseweg 30, 2340, Beerse, Belgium. Electronic address:
The purpose of this study was to evaluate EpiColon, a novel human organotypic 3D colon microtissue prototype, developed to assess colonic drug disposition, with a particular focus on permeability ranking, and compare its performance to Caco-2 monolayers. EpiColon was characterized for barrier function using transepithelial electrical resistance (TEER), morphology via histology and immunohistochemistry, and functionality through drug transport studies measuring apparent permeability (P). Cutoff thresholds for the permeability of FITC-dextran 4 kDa (FD4), FITC-dextran 10 kDa (FD10S), and [C]mannitol were established to monitor microtissue integrity.
View Article and Find Full Text PDFLactiplantibacillus plantarum 22 A-3 ameliorates leaky gut in mice through its anti-inflammatory effects.
Sci Rep
January 2025
Department of Gastroenterology and Hepatology, Yokohama City University Graduate School of Medicine, Yokohama, Japan.
There are limited studies on the improvement of leaky gut with minor inflammation associated with various diseases. To explore the therapeutic potential of Lactiplantibacillus plantarum 22 A-3, a member of the Lactobacillus species, in addressing a leaky gut. Lactiplantibacillus plantarum 22 A-3 was administered to a leaky gut mice model with low dextran sulfate sodium concentrations.
View Article and Find Full Text PDFA Novel, Cell-Compatible Hyaluronidase Activity Assay Identifies Dextran Sulfates and Other Sulfated Polymeric Hydrocarbons as Potent Inhibitors for CEMIP.
Cells
January 2025
European Center for Angioscience (ECAS), Medical Faculty Mannheim, University of Heidelberg, 68167 Mannheim, Germany.
Hyaluronan (HA) levels are dynamically regulated homeostatically through biosynthesis and degradation. HA homeostasis is often perturbed under disease conditions. HA degradation products are thought to contribute to disease pathology.
View Article and Find Full Text PDFProbiotic LV149 enhances gut repair, modulates microbiota, and alters transcriptome in DSS-induced colitis mice.
Front Microbiol
January 2025
School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China.
Purpose: Gut microbiota dysbiosis significantly impacts ulcerative colitis (UC) progression and exacerbation. Probiotics show promise in UC management. This study evaluated the effects of different doses of LV149, an aquatic-derived probiotic, on gut injury repair in male C57BL/6 mice with dextran sulfate sodium (DSS)-induced ulcerative colitis (UC) and investigated the underlying mechanisms.
View Article and Find Full Text PDFProtective effect of low-dose lactulose in dextran sulfate sodium induced ulcerative colitis model of rats.
Sci Rep
January 2025
Department of Gastroenterology, The First Affiliated Hospital of Xinjiang Medical University, No.137 LiYuShan Road Xinjiang Province, Urumqi, 830000, China.
Although low-dose lactulose has shown a good theoretical foundation for the treatment of ulcerative colitis (UC) in previous studies, the exact effects and mechanism remain unclear. The rats were randomly distributed into 5 groups, i.e.
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