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- W2499696520 abstract "In recent years, with a deeper understanding of pathologic changes in hepatolithiasis, more and more attention has been paid to the relationship of postoperative remnant proliferative cholangitis (PC) with stone recurrence and biliary restenosis, but effective management strategies have not yet been developed. Thus, the aim of this study was to determine whether epidermal growth factor receptor inhibitor (AG-1478) could inhibit hyperplasia and lithogenic potentiality of PC.The PC animal model was established via retrograde insertion of a 5-0 nylon thread into the common bile duct through Vater's papilla. The common bile duct in the therapeutic group received a single intraluminal administration of AG-1478, followed by weekly intraperitoneal injections of AG-1478. Subsequently, influence of EGFR inhibitor on hyperplasia, apoptosis, and lithogenic potential of PC were evaluated via histology, expression changes of EGFR, BrdU, Ki-67, terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL), Fas, mucin 5 AC, and collagen I.EGFR inhibitor AG-1478 was effective not only in inhibiting the mRNA and protein expression of EGFR, BrdU, and Ki-67, but also in increasing Fas mRNA expression and TUNEL-positive cells, as a result leading to the inhibition of hyperplasia of the biliary epithelium, submucosal gland, and collagen fibers in the diseased bile duct. Additionally, collagen I expression and fibrous thickness of the bile duct wall was significantly reduced, thereby reducing the incidence of biliary tract stricture secondary to PC. Also of note, treatment with AG-1478 could efficiently decrease the lithogenic potential of PC via inhibition of mucin 5AC expression and mucoglycoprotein secretion, hereby facilitating prevention of stone recurrence.EGFR antagonist AG-1478 had a potent anti-proliferative and anti-fibrotic effectiveness on PC and, therefore, holds promise as a candidate of PC treatment." @default.
- W2499696520 created "2016-08-23" @default.
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- W2499696520 date "2016-08-01" @default.
- W2499696520 modified "2023-10-15" @default.
- W2499696520 title "Clinical features of acute pancreatitis associated with gallstone impaction at Vater's ampulla" @default.
- W2499696520 doi "https://doi.org/10.1016/j.pan.2016.06.176" @default.
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