{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Bao G"],"funding":["Yunnan Provincial Fund for High-Level Reserve Talents in Health Science","Yunnan Applied Basic Research Projects-Kunming Medical University Union Foundation","National Natural Science Foundation of China"],"pagination":["279"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12366207"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["31(1)"],"pubmed_abstract":["<h4>Background</h4>Disruption in bile duct barrier function contributes to hepatocyte toxicity in ischemia-reperfusion injury, often leading to surgical complications in liver resection, transplantation, and hemorrhagic shock. However, the underlying mechanisms remain incompletely understood.<h4>Methods</h4>Transcriptomic and proteomic analyses were conducted to examine tryptophan (Trp) metabolism in a Pringle maneuver-induced bile duct injury rat model; Hypoxia/Reoxygenation (H/R) was used to establish an in vitro cholangiocyte injury model. Cholangiocyte injury was assessed via hematoxylin and eosin (H&E) staining, Ki67/myeloperoxidase (MPO) immunohistochemistry, transmission electron microscopy (TEM), and TUNEL/CK19 co-staining. Tight junction integrity was evaluated by measuring transe"],"journal":["Molecular medicine (Cambridge, Mass.)"],"pubmed_title":["Kynu inhibition mitigates bile duct ischemic injury by rewiring tryptophan metabolism to restore tight junction integrity."],"pmcid":["PMC12366207"],"funding_grant_id":["202001AY070001-040","81860121","H-2018068"],"pubmed_authors":["Bao G","Bi P","Yang B","Zhang S","Ye Z","Luo D"],"additional_accession":[]},"is_claimable":false,"name":"Kynu inhibition mitigates bile duct ischemic injury by rewiring tryptophan metabolism to restore tight junction integrity.","description":"<h4>Background</h4>Disruption in bile duct barrier function contributes to hepatocyte toxicity in ischemia-reperfusion injury, often leading to surgical complications in liver resection, transplantation, and hemorrhagic shock. However, the underlying mechanisms remain incompletely understood.<h4>Methods</h4>Transcriptomic and proteomic analyses were conducted to examine tryptophan (Trp) metabolism in a Pringle maneuver-induced bile duct injury rat model; Hypoxia/Reoxygenation (H/R) was used to establish an in vitro cholangiocyte injury model. Cholangiocyte injury was assessed via hematoxylin and eosin (H&E) staining, Ki67/myeloperoxidase (MPO) immunohistochemistry, transmission electron microscopy (TEM), and TUNEL/CK19 co-staining. Tight junction integrity was evaluated by measuring transe","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Aug","modification":"2026-05-05T18:04:56.18Z","creation":"2026-04-07T21:43:47.947Z"},"accession":"S-EPMC12366207","cross_references":{"pubmed":["40830424"],"doi":["10.1186/s10020-025-01310-6"]}}