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Open hepatic artery flow with portal vein clamping protects against bile duct injury compared to pringles maneuver

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机构: [1]Department of Hepatobiliary Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
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关键词: Pringle maneuver hepatic artery biliary system ischemia injury

摘要:
Conventional hepatic artery and portal vein clamping strategies can prevent blood loss and ischemia-reperfusion liver injury, and such preventative measures are the key to successful liver surgery. However, ischemic-induced damage to cholangiocytes is rarely considered. Here, we aimed to investigate the effect of different hepatic inflow interruption methods on bile duct injury.Forty rats were randomly grouped as sham, Pringle maneuver (PM) and hepatic arterial blood flow open (HAFO) groups. We evaluated liver histology and function in liver sections, and biliary histology, cholangiocyte apoptosis and proliferation, cytokine production, and bile composition. RNA sequencing is performed to explore possible molecular mechanisms. The Blood-biliary barrier permeability and tight junctions were analyzed by HRP injection, immunofluorescence staining and analysis of ZO-1 expression by immunoblotting.HAFO significantly attenuated ischemia-induced liver injury and decreased ALT, ALP, TBIL, and DBIL levels in serum. The histopathological observations showed that bile duct injury in the PM group was more serious than that in the HAFO group. The numbers of apoptotic biliary epithelial cells in HAFO-treated rat bile ducta were lower than those in the PM group. RNA-seq showed that tight junctions may be related to the mechanism underlying the protective effect of HAFO, as shown by the reduced HRP levels and increased ZO-1 and claudin-1/3 expression in the HAFO group compared to the PM group.Compared with PM, HAFO alleviated the ischemic injury to the biliary system, which was characterized by decreased biliary epithelial cell apoptosis, reduced inflammatory responses and decreased blood-biliary-barrier permeability.

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最新[2023]版:
大类 | 4 区 医学
小类 | 4 区 胃肠肝病学
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出版当年[2023]版:
Q3 GASTROENTEROLOGY & HEPATOLOGY
最新[2023]版:
Q3 GASTROENTEROLOGY & HEPATOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2023版] 出版当年五年平均 出版前一年[2022版]

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第一作者机构: [1]Department of Hepatobiliary Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
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通讯机构: [1]Department of Hepatobiliary Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China [*1]Department of Hepatobiliary Surgery, The First Affiliated Hospital of Kunming Medical University, No. 295, Xichang Road, Wuhua District, Kunming, China
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