ArticleCellular and molecular life sciences : CMLS2022
L-glutamate requires β-catenin signalling through Frizzled7 to stimulate porcine intestinal stem cell expansion.
Article in Cellular and molecular life sciences : CMLS, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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Who cites it
8 citing papers in PubMed, 18 citations in OpenAlex.
- Microbial regulation of intestinal stem cell function: implications for alleviating intestinal injury of weaned piglets.NPJ biofilms and microbiomes · 2026Review
- Kynurenine promotes porcine intestinal epithelial cell proliferation by activating the AHR-MST1-YAP1 axis.Journal of animal science and biotechnology · 2026Article
- Ruminococcus bromii alleviates constipation by pullulanase-driven resistant starch degradation and microbiota modulation.NPJ biofilms and microbiomes · 2025Article
- L-Glutamate enables the EGFR-MEK-ERK-mTFB2 axis to enhance mitochondrial biogenesis in intestinal stem cells.Stem cell research & therapy · 2025Article
- Nutrient sensing in intestinal stem cell: Linking dietary nutrients to cellular metabolic regulation.World journal of stem cells · 2025Review
- Probiotic Pediococcus pentosaceus restored gossypol-induced intestinal barrier injury by increasing propionate content in Nile tilapia.Journal of animal science and biotechnology · 2024Article
- Glutamine Regulates Gene Expression Profiles to Increase the Proliferation of Porcine Intestinal Epithelial Cells and the Expansion of Intestinal Stem Cells.Animals : an open access journal from MDPI · 2023Article
- Review
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
Abstract
Intestinal stem cells (ISCs) decode and coordinate various types of nutritional information from the diet to support the crypt-villus axis architecture, but how specific dietary molecules affect intestinal epithelial homeostasis remains unclear. In the current study, L-glutamate (Glu) supplementation in either a nitrogen-free diet (NFD) or a corn-soybean meal diet (CSMD) stimulated gut growth and ISC expansion in weaned piglets. Quantitative proteomics screening identified the canonical Wnt signalling pathway as a central regulator of intestinal epithelial development and ISC activity in vivo. Importantly, the Wnt transmembrane receptor Frizzled7 (FZD7) was upregulated in response to dietary Glu patterns, and its perturbations in intestinal organoids (IOs) treated with a specific inhibitor and in FZD7-KO IPEC-J2 cells disrupted the link between Glu inputs and β-catenin signalling and a subsequent reduction in cell viability. Furthermore, co-localization, coimmunoprecipitation (Co-IP), isothermal titration calorimetry (ITC), and microscale thermophoresis (MST) revealed that Glu served as a signalling molecule directly bound to FZD7. We propose that FZD7-mediated integration of the extracellular Glu signal controls ISC proliferation and differentiation, which provides new insights into the crosstalk of nutrients and ISCs.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.