2018
DOI: 10.1016/j.jcmgh.2018.02.002
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Molecular Basis and Differentiation-Associated Alterations of Anion Secretion in Human Duodenal Enteroid Monolayers

Abstract: Background & AimsHuman enteroids present a novel tool to study human intestinal ion transport physiology and pathophysiology. The present study describes the contributions of Cl- and HCO3- secretion to total cyclic adenosine monophosphate (cAMP)-stimulated electrogenic anion secretion in human duodenal enteroid monolayers and the relevant changes after differentiation.MethodsHuman duodenal enteroids derived from 4 donors were grown as monolayers and differentiated by a protocol that includes the removal of Wnt… Show more

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Cited by 47 publications
(93 citation statements)
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“…Enteroids were established from crypts containing stem cells isolated from jejunal biopsies from healthy adult subjects using the protocol of Sato et al (21, 22), with minor modifications as previously described (2). Enteroids were maintained in Matrigel (Corning, Tewksbury, MA) in expansion medium composed of advanced Dulbecco’s modified Eagle medium/F12 (Life Technologies, Carlsbad, CA) containing 100 U/mL penicillin/streptomycin (Quality Biological, Gaithersburg, MD), 10 mmol/L HEPES (Life Technologies), and 1X GlutaMAX (Life Technologies), with 50% Wnt3A conditioned medium (produced by L-Wnt3A cell line, ATCC CRL-2647), 15% R-spondin1–conditioned medium (produced by HEK293T cell line stably expressing mouse R-spondin1; kindly provided by Dr Calvin Kuo, Stanford University, Stanford, CA), 10% Noggin conditioned medium (produced by HEK293T cell line stably expressing mouse Noggin), 1X B27 supplement (Life Technologies), 1 mmol/L N-acetylcysteine (Sigma-Aldrich), 50 ng/mL human epidermal growth factor (Life Technologies), 1 μg/mL (Leu-15) gastrin (AnaSpec, Fremont, CA), 500 nmol/L A83-01 (Tocris, Bristol, United Kingdom), 10 μmol/L SB202190 (Sigma-Aldrich), and 100 μg/mL primocin (InvivoGen, San Diego, CA).…”
Section: Methodsmentioning
confidence: 99%
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“…Enteroids were established from crypts containing stem cells isolated from jejunal biopsies from healthy adult subjects using the protocol of Sato et al (21, 22), with minor modifications as previously described (2). Enteroids were maintained in Matrigel (Corning, Tewksbury, MA) in expansion medium composed of advanced Dulbecco’s modified Eagle medium/F12 (Life Technologies, Carlsbad, CA) containing 100 U/mL penicillin/streptomycin (Quality Biological, Gaithersburg, MD), 10 mmol/L HEPES (Life Technologies), and 1X GlutaMAX (Life Technologies), with 50% Wnt3A conditioned medium (produced by L-Wnt3A cell line, ATCC CRL-2647), 15% R-spondin1–conditioned medium (produced by HEK293T cell line stably expressing mouse R-spondin1; kindly provided by Dr Calvin Kuo, Stanford University, Stanford, CA), 10% Noggin conditioned medium (produced by HEK293T cell line stably expressing mouse Noggin), 1X B27 supplement (Life Technologies), 1 mmol/L N-acetylcysteine (Sigma-Aldrich), 50 ng/mL human epidermal growth factor (Life Technologies), 1 μg/mL (Leu-15) gastrin (AnaSpec, Fremont, CA), 500 nmol/L A83-01 (Tocris, Bristol, United Kingdom), 10 μmol/L SB202190 (Sigma-Aldrich), and 100 μg/mL primocin (InvivoGen, San Diego, CA).…”
Section: Methodsmentioning
confidence: 99%
“…The relative fold changes in mRNA levels of MRP4 and MRP5 between static, flow and flow plus stretch were determined using the 2 −ΔΔCT method with human 18S ribosomal RNA as an internal control for normalization (2).…”
Section: Methodsmentioning
confidence: 99%
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“…One of the important limitations of using 3D enteroids to study fluid and electrolyte transport is that the enclosed apical surface fails to allow normal transport of nutrients . Monolayers of enteroids successfully addressed this issue and were used to investigate transepithelial ion transport and the effect of mutations on the function of CFTR, the major intestinal anion channel that is mutated in cystic fibrosis patients . The sodium‐dependent glucose transporter SGLT1/SLC5A1, proton‐coupled peptide transporters PEPT1/SLC15A1, and bile acid receptor TGR5 were found at the brush border locus of the enteroids, and glucose transporter GLUT2 was found on the basolateral side of the enteroids, which were in line with the in vivo scenario, indicating that enteroids are appropriate models to study nutrient transport .…”
Section: Enteroids As Models In Nutrition‐focused Studiesmentioning
confidence: 99%
“…Intestinal enteroid culture is useful in order to understand developmental epithelial processes of the intestine and to model disease (Yin et al, 2018;Zou et al, 2017). However, because this model is exclusively composed of epithelium (Rookmaaker, Schutgens, Verhaar, & Clevers, 2015), the contributions of adjacent mesenchymal elements, including intestinal subepithelial myofibroblasts, muscle, neurons and glia, to the developing epithelium are not demonstrated.…”
Section: Introductionmentioning
confidence: 99%