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The gut epithelium protects the host from a potentially hostile environment while allowing nutrient uptake that is vital for the organism. To maintain this delicate task, the gut epithelium has evolved multilayered cellular functions ranging from mucus production to hormone release and orchestration of mucosal immunity. Here, we review the execution of intestinal epithelial metabolism in health and illustrate how perturbation of epithelial metabolism affects experimental gut inflammation and tumorigenesis. We also discuss the impact of environmental factors and host-microbe interactions on epithelial metabolism in the context of inflammatory bowel disease and colorectal cancer. Insights into epithelial metabolism hold promise to unravel mechanisms of organismal health that may be therapeutically exploited in humans in the future.
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http://dx.doi.org/10.1016/j.tcb.2024.01.004 | DOI Listing |
Cell Mol Immunol
September 2025
Pediatric Intensive Care Unit, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences); Department of Immunology, School of Basic Medical Sciences; Department of Clinical Laboratory, the Third Affiliated Hospital of Southern Medical University, Southern Medical University, Gua
Communication between group 3 innate lymphoid cells (ILC3) and other immune cells, as well as intestinal epithelial cells, is pivotal in regulating intestinal inflammation. This study, for the first time, underscores the importance of crosstalk between intestinal endothelial cells (ECs) and ILC3. Our single-cell transcriptome analysis combined with protein expression detection revealed that ECs significantly increased the population of interleukin (IL)-22 ILC3 through interactions mediated by endothelin-1 (ET-1) and its receptor endothelin A receptor (EDNRA).
View Article and Find Full Text PDFBiol Pharm Bull
September 2025
Department of Intensive Care Unit, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310007, China.
Ferroptosis is involved in the progression of sepsis-induced acute lung injury (ALI). Kaempferol is a flavonoid compound that can protect against ALI. 5-Methylcytosine (m5C) is involved in the pathogenesis of sepsis.
View Article and Find Full Text PDFMethods Cell Biol
September 2025
Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Italy; CEINGE-Biotecnologie Avanzate, Naples, Italy.
Cystic fibrosis (CF) is a genetic disorder primarily known for its severe impact on lung function, but it also significantly affects the digestive system, leading to complications such as intestinal blockages, malabsorption, inflammation, and microbial dysbiosis. The study of CFTR (Cystic Fibrosis Transmembrane Conductance Regulator) effects on intestinal physiology is critical for developing new effective treatments. This work highlights the use of the mouse intestine as a valuable model for analyzing cellular electrophysiology and CFTR function.
View Article and Find Full Text PDFComp Biochem Physiol B Biochem Mol Biol
September 2025
South Iran Aquaculture Research Center, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research Education and Extension Organization (AREEO), Ahwaz, Iran. Electronic address:
This study evaluated the effects of dietary recovered frying soybean oil (RFSBO) and selenium nanoparticles (SeNPs) on growth performance, hepatic metabolism, intestinal morphology, and the expression of antioxidant, immune, and growth-related genes in juvenile Asian sea bass (Lates calcarifer, 41.5 ± 0.1 g) reared under high temperature (32-33 °C) and high salinity (38-40 ppt).
View Article and Find Full Text PDFImmunity
September 2025
Research Institute of Molecular Pathology (IMP), Vienna BioCenter (VBC), Vienna, Austria. Electronic address:
In a recent issue of Nature, Adrover et al. report a neutrophil subset that induces pleomorphic tumor necrosis through neutrophil extracellular trap (NET)-mediated vascular occlusion. This process drives epithelial-to-mesenchymal transition (EMT) and metastasis of perinecrotic cancer cells, reframing necrosis as an active process and uncovering targetable mechanisms to combat cancer dissemination.
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