Current achievements in clinical hepatology according to literature, materials of the congresses and symposia, rich personal medical and research experience are reviewed.
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Duodenal-jejunal bypass ameliorates MASLD in rats by regulating gut microbiota and bile acid metabolism through FXR pathways.
Hepatol Commun
February 2025
Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Background: Although bariatric and metabolic surgical methods, including duodenal-jejunal bypass (DJB), were shown to improve metabolic dysfunction-associated steatotic liver disease (MASLD) in clinical trials and experimental rodent models, their underlying mechanisms remain unclear. The present study therefore evaluated the therapeutic effects and mechanisms of action of DJB in rats with MASLD.
Methods: Rats with MASLD were randomly assigned to undergo DJB or sham surgery.
Impact of liver transplantation on intestinal and systemic inflammation markers in patients with colitis ulcerosa concomitant with primary sclerosing cholangitis.
Prz Gastroenterol
December 2024
Department of Infectious Diseases, Hepatology and Liver Transplantation, Pomeranian Medical University, Szczecin, Poland.
Introduction: Primary sclerosing cholangitis (PSC) is an uncommon, chronic liver disease characterised by fibrosis and strictures of a bile ducts, causing cholestasis. In the long term it can lead to complete stenosis leading in turn to liver cirrhosis. In patients with severe form of the disease, the recommended treatment is liver transplantation.
View Article and Find Full Text PDFFOXC1-mediated serine metabolism reprogramming enhances colorectal cancer growth and 5-FU resistance under serine restriction.
Cell Commun Signal
January 2025
Endoscopy Center, Department of Gastroenterology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China.
Colorectal cancer (CRC) is the most common gastrointestinal malignancy, and 5-Fluorouracil (5-FU) is the principal chemotherapeutic drug used for its treatment. However, 5-FU resistance remains a significant challenge. Under stress conditions, tumor metabolic reprogramming influences 5-FU resistance.
View Article and Find Full Text PDFSpatial transcriptomics of healthy and fibrotic human liver at single-cell resolution.
Nat Commun
January 2025
Division of Gastroenterology, University of Massachusetts Chan Medical School, Worcester, MA, USA.
Single-cell RNA sequencing (scRNA-seq) has advanced our understanding of cell types and their heterogeneity within the human liver, but the spatial organization at single-cell resolution has not yet been described. Here we apply multiplexed error robust fluorescent in situ hybridization (MERFISH) to map the zonal distribution of hepatocytes, spatially resolve subsets of macrophage and mesenchymal populations, and investigate the relationship between hepatocyte ploidy and gene expression within the healthy human liver. Integrating spatial information from MERFISH with the more complete transcriptome produced by single-nucleus RNA sequencing (snRNA-seq), also reveals zonally enriched receptor-ligand interactions.
View Article and Find Full Text PDFAspartate signalling drives lung metastasis via alternative translation.
Nature
January 2025
Laboratory of Cellular Metabolism and Metabolic Regulation, VIB Center for Cancer Biology, VIB, Leuven, Belgium.
Lung metastases occur in up to 54% of patients with metastatic tumours. Contributing factors to this high frequency include the physical properties of the pulmonary system and a less oxidative environment that may favour the survival of cancer cells. Moreover, secreted factors from primary tumours alter immune cells and the extracellular matrix of the lung, creating a permissive pre-metastatic environment primed for the arriving cancer cells.
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