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Exploring the effects of gut microbiota on cholangiocarcinoma progression by patient-derived organoids.
J Transl Med
January 2025
Department of Psychiatry and Psychotherapy, University Medical Center Mainz, 55131, Mainz, Germany.
Background: Recent research indicates a role of gut microbiota in development and progression of life-threatening diseases such as cancer. Carcinomas of the biliary ducts, the so-called cholangiocarcinomas, are known for their aggressive tumor biology, implying poor prognosis of affected patients. An impact of the gut microbiota on cholangiocarcinoma development and progression is plausible due to the enterohepatic circulation and is therefore the subject of scientific debate, however evidence is still lacking.
View Article and Find Full Text PDFHexafluoropropylene Oxide Trimer Acid Is an Unsafe Substitute to Perfluorooctanoic Acid Due to Its Remarkable Liver Accumulation in Mice Disclosed by Comprehensive Toxicokinetic Models.
Environ Sci Technol
January 2025
Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P. R. China.
Hexafluoropropylene oxide trimer acid (HFPO-TA, CF(CFOCF(CF))COOH) is widely used as an alternative to perfluorooctanoic acid (PFOA), but whether it is a safe alternative requires further evaluation. In this study, male mice were exposed to three dosages (0.56, 2.
View Article and Find Full Text PDFGastrointestinal absorption and its regulation of hawthorn leaves flavonoids.
Sci Rep
January 2025
School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai, 201203, P.R. China.
Hawthorn leave flavonoids (HLF) are widely used as an herb or dietary supplements for cardio-cerebrovascular diseases. However, its gastrointestinal absorption behavior and mechanism have not been disclosed. In this study, gastrointestinal absorption and its regulation of 4''-O-glucosylvitexin (GLV), 2''-O-rhamnosylvitexin (RHV), vitexin (VIT), rutin (RUT) and hyperoside (HP) in HLF were investigated using in vitro, in situ and in vivo models.
View Article and Find Full Text PDFGut Microbiome and Bile Acid Interactions: Mechanistic Implications for Cholangiocarcinoma Development, Immune Resistance, and Therapy.
Am J Pathol
December 2024
Department of Microbiology and Immunology, Virginia Commonwealth University and Richmond VA Medical Center, Richmond, Virginia; Stravitz-Sanyal Institute for Liver Disease and Metabolic Health, School of Medicine, Virginia Commonwealth University, Richmond, Virginia. Electronic address:
Cholangiocarcinoma (CCA) is a rare but highly malignant carcinoma of bile duct epithelial cells with a poor prognosis. The major risk factors of CCA carcinogenesis and progression are cholestatic liver diseases. The key feature of primary sclerosing cholangitis and primary biliary cholangitis is chronic cholestasis, which means a slowdown of hepatocyte secretion of biliary lipids and metabolites into bile as well as a slowdown of enterohepatic circulation (bile acid recirculation) of bile acids with dysbiosis of the gut microbiome, which was shown to lead to enterohepatic recirculation and an increase of toxic secondary bile acids.
View Article and Find Full Text PDFPostcholecystectomy Gut Microbiome Changes and the Clinical Impact: A Systematic Review With Narrative Synthesis.
J Gastroenterol Hepatol
December 2024
Duke-NUS Medical School, Singapore.
Background: Cholecystectomy (CCE) can affect the enterohepatic circulation of bile acids and result in gut microbiome changes. This systematic review aimed to clarify the effect of CCE on gut microbiome composition and its clinical impact.
Method: A systematic search was conducted in PubMed, Web of Science, and Scopus, combining keywords such as "cholecystectomy" or "post-cholecystectomy" with "gut microbiome," "stool microbiome," or "gut dysbiosis.
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