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A case of methicillin-resistant Staphylococcus aureus infection following bile duct stenting

World Journal of Gastroenterology 2005年第9期11卷 1396-1398页

作者： Markus K Diener Alexis Ulrich theresia weber Moritz N Wente Markus W Büchler Helmut Friess Department of General Surgery

AIM: To present a case of methicillin-resistant Staphylococcus aureus (MRSA) infection following bile duct stenting in a patient with malignant biliary ***: A 78-year-old male patient was admitted to a community hospital with progredient painless jaundice lasting over two weeks, weight loss and sweating at *** a stent should be implanted pre-operatively in jaundiced patients or whether these patients should directly undergo surgical resection, was ***: ERC and a biopsy from the papilla of Vater revealed an adenocarcinoma. In addition, a 7-Ch plastic stent was placed into the common bile duct. Persistent abdominal pain, increasing jaundice, weakness and indigestion led to the transfer of the patient to our hospital.A pylorus-preserving pancreatoduodenectomy wasperformed. Intraoperatively, bile leaked out of the transected choledochus andthe stent was found to be dislocated in the duodenum. A smear of the bile revealed an infection with MRSA, leading to post-operative isolation of the ***:As biliary stents can cause severe infection of the bile, the need for pre-operative placement of biliary stents should be carefully evaluated in each individual case.

关键词： Methicillin-resistant Staphylococcus aureus Bile Infection Stent Biliary obstruction Malignancy Surgery

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PEP7 acts as a peptide ligand for the receptor kinase SIRK1 to regulate aquaporin-mediated water influx and lateral root growth

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Molecular Plant 2022年第10期15卷 1615-1631页

作者： Jiahui Wang Lin Xi Xu Na Wu Stefanie Konig Leander Rohr theresia Neumann Jan weber Klaus Harter Waltraud X.Schulze Department of Plant Systems Biology University of Hohenheim70593 StuttgartGermany School of Life Science Center for Life SciencesYunnan University650091 KunmingPeople's Republic of China Center for Plant Molecular Biology University of Tubingen72076 TubingenGermany

Plant receptors constitute a large protein family that regulates various aspects of development and responses to external *** characterization of this protein family and the identification of their ligands remain major challenges in plant ***,we identified plasma membrane-intrinsic sucrose-induced receptor kinase 1(SIRK1)and Qian Shou kinase 1(QSK1)as receptor/co-receptor pair involved in the regulation of aquaporins in response to osmotic conditions induced by *** this study,we identified a member of the elicitor peptide(PEP)family,namely PEP7,as the specific ligand of th receptor kinase ***7 binds to the extracellular domain of SIRK1 with a binding constant of 1.44±0.79μM and is secreted to the apoplasm specifically in response to sucrose *** of a signaling complex involving SIRK1,QSK1,and aquaporins as substrates is mediated by alterations in the external sucrose concentration or by PEP7 ***,the presence of PEP7 induces the phosphorylation of aquaporins in vivo and enhances water influx into *** water influx,in turn,led to delayed lateral root development in the pep7 *** loss-of-function mutant of SIRK1 is not responsive to external PEP7 treatment regarding kinase activity,aquaporin phosphorylation,water influx activity,and lateral root *** together,our data indicate that the PEP7/SIRK1/QSK1 complex represents a crucial perception and response module that mediates sucrose-controlled water flux in plants and lateral root development.

关键词： receptor kinase peptide signaling receptor-ligand pair sugar signaling regulation of water influx

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Transjugular intrahepatic portosystemic shunt vs conservative treatment for recurrent ascites:A propensity score matched comparison

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World Journal of Gastroenterology 2022年第41期28卷 5944-5956页

作者： Martin Philipp theresia Blattmann Jörn Bienert Kristian Fischer Luisa Hausberg Jens-Christian Kröger Thomas Heller Marc-Andréweber Georg Lamprecht Department of Medicine Division of Gastroenterology and EndocrinologyRostock University Medical CenterRostock 18057Germany Institute of Diagnostic and Interventional Radiology Pediatric Radiology and NeuroradiologyRostock University Medical CentreRostock 18057Germany

BACKGROUND Transjugular intrahepatic portosystemic shunt(TIPS) placement is an effective intervention for recurrent tense ascites. Some studies show an increased risk of acute on chronic liver failure(ACLF) associated with TIPS placement. It is not clear whether ACLF in this context is a consequence of TIPS or of the pre-existing liver *** To better understand the risks of TIPS in this challenging setting and to compare them with those of conservative *** Two hundred and fourteen patients undergoing their first TIPS placement for recurrent tense ascites at our tertiary-care center between 2007 and 2017 were identified(TIPS group). Three hundred and ninety-eight patients of the same time interval with liver cirrhosis and recurrent tense ascites not undergoing TIPS placement(No TIPS group) were analyzed as a control group. TIPS indication,diagnosis of recurrent ascites, further diagnoses and clinical findings were obtained from a database search and patient records. The in-hospital mortality and ACLF incidence of both groups were compared using 1:1 propensity score matching and multivariate logistic *** After propensity score matching, the TIPS and No TIPS groups were comparable in terms of laboratory values and ACLF incidence at hospital admission. There was no detectable difference in mortality(TIPS: 11/214, No TIPS 13/214). During the hospital stay, ACLF occurred more frequently in the TIPS group than in the No TIPS group(TIPS: 70/214, No TIPS: 57/214, P = 0.04). This effect was confined to patients with severely impaired liver function at hospital admission as indicated by a significant interaction term of Child score and TIPS placement in multivariate logistic regression. The TIPS group had a lower ACLF incidence at Child scores < 8 points and a higher ACLF incidence at ≥ 11 points. No significant difference was found between groups in patients with Child scores of 8 to 10 *** TIPS placement for recurrent tense as

关键词： Liver cirrhosis Ascites Transjugular intrahepatic portosystemic shunt Acute on chronic liver failure Mortality Propensity score

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