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Human enteroid monolayers: A novel, functionally stable model for investigating oral drug disposition.
Drug Metab Dispos
January 2025
Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, Washington. Electronic address:
To further the development of an in vitro model that faithfully recapitulates drug disposition of orally administered drugs, we investigated the utility of human enteroid monolayers to simultaneously assess intestinal drug absorption and first-pass metabolism processes. We cultured human enteroid monolayers from 3 donors, derived via biopsies containing duodenal stem cells that were propagated and then differentiated atop permeable Transwell inserts, and confirmed transformation into a largely enterocyte population via RNA sequencing analysis and immunocytochemistry (ICC) assays. Proper cell morphology was assessed and confirmed via bright field microscopy and ICC imaging of tight junction proteins and other apically and basolaterally localized proteins.
View Article and Find Full Text PDFEvolutionary insights into gut acidification: Invertebrate-like mechanisms in the basal vertebrate hagfish.
J Exp Biol
January 2025
Department of Biological Sciences, University of Alberta, 116 St and 85 Ave, Edmonton, AB T6G 2R3, Canada.
Acidification is a key component of digestion throughout metazoans. The gut digestive fluid of many invertebrates is acidified by the vesicular-type H+-ATPase (VHA). In contrast, vertebrates generate acidic gut fluids using the gastric H+/K+-ATPase (HKA); an evolutionary innovation linked with the appearance of a true stomach that greatly improves digestion, absorption, and immune function.
View Article and Find Full Text PDFIntegrative RNA, miRNA, and 16S rRNA sequencing reveals immune-related regulation network for glycinin-induced enteritis in hybrid yellow catfish, ♀ × ♂.
Front Immunol
January 2025
College of Fisheries, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, Hubei, China.
Glycinin-induced foodborne enteritis is a significant obstacle that hinders the healthy development of the aquatic industry. Glycinin causes growth retardation and intestinal damage in hybrid yellow catfish ( ♀ × ♂), but its immune mechanisms are largely unknown. In the current study, five experimental diets containing 0% (CK), 1.
View Article and Find Full Text PDFCocoa Seeds as a Phytobezoar Causing Intestinal Obstruction in a Ghanaian Child: A Case Report.
Cureus
December 2024
Emergency Medicine Department, Komfo Anokye Teaching Hospital, Kumasi, GHA.
Phytobezoars are indigestible organic matter that forms organized masses in the gastrointestinal tract. Seeds reported causing bezoars include sunflower seeds, watermelon seeds, and wild banana seeds. Cocoa seeds causing bezoar have not been reported.
View Article and Find Full Text PDFIntegrated omics profiling of individual variations in intestinal damage to the soybean allergen in piglets.
Front Vet Sci
January 2025
Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.
Introduction: A small number of soybean allergens [including Glycinin (11S) and β-Conglycinin (7S)] in the commercially available corn-soybean meal diet can still cause allergy in some weaned piglets, which may be the result of the interaction of genetic, and nutrition, but the specific mechanism is still unclear.
Methods: In this study, 20 allergic piglets and 20 non-allergic piglets were selected from 92 weaned piglets by skin sensitization tests, which were used to examine the whole sequence genome. The indicators related to humoral and cellular immunity, transcriptomics, and metabolomics analysis were determined by randomly selecting 5 boars in the allergic group and non-allergic group and then performing a validation .
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