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1Prealbumin is predictive for postoperative liver insufficiency in patients undergoing liver resection显示文摘AIM:To investigate the risk factors for postoperative liver insufficiency in patients with Child-Pugh class A liver function undergoing liver resection.METHODS:A total of 427 consecutive patients undergoing partial hepatectomy from October 2007 to April 2011 at a single center(Department of Hepatic SurgeryⅠ,Eastern Hepatobiliary Surgery Hospital,Shanghai,China) were included in the study.All the patients had preoperative liver function of Child-Pugh class A and were diagnosed as having primary liver cancer by postoperative histopathology.Surgery was performed by the same team and hepatic resection was carried out by a clamp crushing method.A clamp/unclamp time of 15 min/5 min was adopted for hepatic inflow occlusion.Patients' records of demographic variables,intraoperative parameters,pathological findings and laboratory test results were reviewed.Postoperative liver insufficiency and failure were defined as prolonged hyperbilirubinemia unrelated to biliary obstruction or leak,clinically apparent ascites,prolonged coagulopathy requiring frozen fresh plasma,and/or hepatic encephalopathy.The incidence of postoperative liver insufficiency or liver failure was observed and the attributing risk factors were analyzed.A multivariate analysis was conducted to determine the independent predictive factors.RESULTS:Among the 427 patients,there were 362 males and 65 females,with a mean age of 51.1 ± 10.4 years.Most patients(86.4%) had a background of viral hepatitis and 234(54.8%) patients had liver cirrhosis.Indications for partial hepatectomy included hepatocellular carcinoma(391 patients),intrahepatic cholangiocarcinoma(31 patients) and a combination of both(5 patients).Hepatic resections of ≤ 3 and ≥ 4 liver segments were performed in 358(83.8%) and 69(16.2%) patients,respectively.Seventeen(4.0%) patients developed liver insufficiency after hepatectomy,of whom 10 patients manifested as prolonged hyperbilirubinemia unrelated to biliary obstruction or leak,6 patients had clinically apparent ascites and prolonged coagulopathy,1 patient had hepatic encephalopathy and died on day 21 after surgery.On univariate analysis,age ≥ 60 years and prealbumin < 170 mg/dL were found to be significantly correlated with postoperative liver insufficiency(P = 0.045 and P = 0.009,respectively).There was no statistical difference in postoperative liver insufficiency between patients with or without hepatitis,liver cirrhosis and esophagogastric varices.Intraoperative parameters(type of resection,inflow blood occlusion time,blood loss and blood transfusion) and laboratory test results were not associated with postoperative liver insufficiency either.Age ≥ 60 years and prealbumin < 170 mg/dL were selected on multivariate analysis,and only prealbumin < 170 mg/dL remained predictive(hazard ratio,3.192;95%CI:1.185-8.601,P = 0.022).CONCLUSION:Prealbumin serum level is a predictive factor for postoperative liver insufficiency in patients with liver function of Child-Pugh class A undergoing hepatectomy.Since prealbumin is a good marker of nutritional status,the improved nutritional status may decrease the incidence of liver insufficiency.Liang Huang Jing Li Jian-Jun Yan Cai-Feng Liu MengChao Wu Yi-Qun Yan 2012World Journal of Gastroenterology2012,18,47:36
2Roles of Chemokine Receptor 4 (CXCR4) and Chemokine Ligand 12 (CXCL12) in Metastasis of Hepatocellular Carcinoma Cells显示文摘Chemokines are involved in human hepatocellular carcinoma (HCC) carcinogenesis. However, the exact mechanism of chemokines in HCC carcinogenesis remains unknown. Here we investigated the roles of chemokine receptor 4 (CXCR4) and chemokine ligand 12 (CXCL12) in the metastasis of HCC. We found that the expression levels of CXCR4 mRNA in HCC tissues, MHCC97 cells, and HUVEC cells were 2.52 ± 1.13, 2.34 ± 1.16 and 1.63 ± 1.26, respectively and that the CXCR4 protein levels were 1.38 ± 0.13, 1.96 ± 0.32 and 1.86 ± 0.21, respectively. In contrast, CXCR4 was not detected in normal hepatic tissues. In 78 HCC patients, we also found that the concentration of CXCL12 in cancerous ascitic fluid was 783-8,364 pg/ml and that CXCL12 mRNA level in HCC metastasis portal lymph nodes was 1.21 ± 0.87 but undetectable in normal hepatic tissues. Finally we discovered that recombinant human CXCL12 could induce MHCC97 cells and HUVEC cells to migrate with chemotactic indexes (CI) of 3.9 ± 1.1 and 4.1 ± 1.6, respectively. Cancerous ascitic fluid could also induce the migration of MHCC97 cells with a CI of 1.9 ± 0.8. Thus, our data suggest that CXCR4 and CXCL12 may play an important role in the metastasis of HCC by promoting the migration of tumor cells.Hui Liu Zeya Pan Aijun Li Siyuan Fu Yin Lei Hangyong Sun Mengchao Wu Weiping Zhou 2008Cellular & Molecular Immunology2008,5,5:30
3Endoscopic Palliative Treatment for Malignant Obstructive Jaundice: A Report of 929 Cases显示文摘Objective:To review the experience with endoscopic palliative treatment for malignant obstructive jaundice (MOJ) in 929 patients. Methods:929 patients (598 males and 331 females) underwent 1215 endoscopic palliative drainages for MOJ in our hospital. Tumor obstruetion oeeurred in the distal common bile duet(CBD)(263 patients), the middle CBD (43),and the hilum(909).The mean bilirubin level was 284.3 μmol/L(range 26-810). Of the 1215 drainages, 599 were performed by stenting with plastic endoprosthesis, 385 by naso-biliary eatheterization, 167 by expandable metal stents,39 by combined drainage method,19 by tumor sphincterotomy and 6 by endoseopie fistulostomy. Results:The successful rate of endoscopic procedure was 94.3%. The jaundice symptom was improved in 81.8% of the patients with a significant reduetion of serum bilirubin in 64.7%. The complication after treatment occurred in 23 eases (2.6%), including eholangitis(23 eases), panereatitis (8 eases), and bleeding (one ease), and 3 eases were dead (0.2%).The median survival time of all patients was 14 months and life time analysis showed a life expectancy of 75.9%, 44.0% and 25.2% at 1, 2 and 3 years respectively. Conclusion:In the patients with MOJ seeondary to panereatobiliary malignancy, sueeessful endoscopic drainage provides adequate relief of biliary obstruetion and is associated with low morbidity and mortality. Enduseopie interventional treatment may be considered as an alternative of palliative biliary operation for the late stage of pancreatic and biliary malignaneies.HU Bing, ZHOU Daiyun, GONG Biao, WANG Shuzhi, WU Mengchao Eastern Hepatohiliary Surgery Hospital, Second Military Medical University Shanghai 200438, China 2002The Chinese-German Journal of Clinical Oncology2002,1,1:15
4miR-181b functions as an oncomiR in colorectal cancer by targeting PDCDZ显示文摘Yanqing Liu Uzair-ur-Rehman Yu Guo Hongwei Liang Rongjie Cheng Fei Yang Yeting Hong Chihao Zhao Minghui Liu Mengchao Yu Xinyan Zhou Kai Yin Jiangning Chen Junfeng Zhang Chen-Yu Zhang Feng Zhi Xi Chen 2016Protein & Cell2016,7,10:14
5In vivo self-assembled small RNAs as a new generation of RNAi therapeutics显示文摘RNAi therapy has undergone two stages of development,direct injection of synthetic siRNAs and delivery with artificial vehicles or conjugated ligands;both have not solved the problem of efficient in vivo siRNA delivery.Here,we present a proof-of-principle strategy that reprogrammes host liver with genetic circuits to direct the synthesis and self-assembly of siRNAs into secretory exosomes and facilitate the in vivo delivery of siRNAs through circulating exosomes.By combination of different genetic circuit modules,in vivo assembled siRNAs are systematically distributed to multiple tissues or targeted to specific tissues(e.g.,brain),inducing potent target gene silencing in these tissues.The therapeutic value of our strategy is demonstrated by programmed silencing of critical targets associated with various diseases,including EGFR/KRAS in lung cancer,EGFR/TNC in glioblastoma and PTP1B in obesity.Overall,our strategy represents a next generation RNAi therapeutics,which makes RNAi therapy feasible.Zheng Fu Xiang Zhang Xinyan Zhou Uzair Ur-Rehman Mengchao Yu Hongwei Liang Hongyuan Guo Xu Guo Yan Kong Yuanyuan Su Yangyang Ye Xiuting Hu Wei Cheng Jinrong Wu Yanbo Wang Yayun Gu Sheng-feng Lu Dianqing Wu Ke Zen Jing Li Chao Yan Chen-Yu Zhang Xi Chen 2021Cell Research2021,31,6:10
6Clinical and Experimental Research of Primary Liver Cancer in China显示文摘Primary liver cancer (PLC) is one of the most common neoplasms and the second cancer-related cause of death in China, respresenting a major health problem. In China, PLC resulted in 20.40 deaths per lO0 000 per year,with 19.98 per 100 000 in cities and 23.59 per 100 000 inrural areas. Of all the newly enrolled PLC cases in the world each year, about 43% are found in the mainland of China.WU Mengchao Eastem Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200438, China 2002The Chinese-German Journal of Clinical Oncology2002,1,1:10
7“Wrapping the gastroduodenal artery stump” during pancreatoduodenectomy reduced the stump hemorrhage incidence after operation显示文摘Objective: After pancreaticoduodenectomy(PD), the postoperative gastroduodenal artery stump(GDAS) hemorrhage is one of the most serious complications. The purpose of this study is to determine whether wrapping the GDAS during PD could decrease the postoperative GDAS hemorrhage incidence.Methods: A retrospective review involving 280 patients who underwent PD from 2005 to 2012 was performed. Wrapping the GDAS during PD was defined as 'Wrapping the GDAS using the teres hepatis ligamentum during PD'. A total of 140 patients accepted the 'wrapping' procedure(wrapping group). The other 140 patients didn't apply the procedure(non-wrapping group). Age, sex, preoperative data, estimated intraoperative blood loss, postoperative complications, pathologic parameters and hospitalization time were compared between two groups.Results: There were no significant differences in patient characteristics between two groups. After wrapping, the incidence of postoperative GDAS bleeding decreased significantly(1/140 vs. 9/140, P=0.01). The rates of the other complications(such as intra-abdominal infection pancreatic fistula, billiary fistula, gastrointestinal bleeding, et al.) showed no significant differences. Conclusions: Wrapping the GDAS during PD significantly reduced the postoperative GDAS hemorrhage incidence. And the 'wrapping' had no obvious influence on other complications.Chang Xu Xinwei Yang Xiangji Luo Feng Shen Mengchao Wu Weifeng Tan Xiaoqing Jiang 2014Chinese Journal of Cancer Research2014,26,3:7
8Oncogenic miR-19a and miR-19b co-regulate tumor suppressor MTUS1 to promote cell proliferation and migration in lung cancer显示文摘MTUS1 (联系微导管的肿瘤 suppressor 1 ) 被识别了那能在许多恶意的肿瘤作为肿瘤 suppressor 基因工作。然而,位于 MTUS1 的规定下面的功能和机制是不清楚的。在现在的学习,我们报导 miR-19a 和 miR-19b (miR-19a/b ) 由指向 MTUS1 支持肺癌症房间的增长和移植。首先, MTUS1 被证明在肺癌症作为肿瘤 suppressor 工作并且被连接到房间增长和移植提升。第二,在 miR-19a/b 表示之间的反的关联和 MTUS1 mRNA/protein 表示在人的肺癌症纸巾被注意。第三, MTUS1 被生物信息学分析作为 miR-19a/b 的一个直接目标估价。第四,由在肺癌症房间的 miR-19a/b 的直接 MTUS1 规定被房间 transfection 试验性地肯定试金和酶记者试金。最后, miR-19a/b 被显示合作地镇压 MTUS1 表示并且 synergistically 调整 MTUS1 表示支持肺癌症房间增长和移植。在结论,我们的调查结果关于 miR-19a/b 的角色提供了第一线索,它看起来由 downregulating MTUS1 在肺癌症作为 oncomirs 工作。Yuanyuan Gu Shuoxin Liu Xiaodan Zhang Guimin Chen Hongwei Liang Mengchao Yu Zhicong Liao Yong Zhou Chen-Yu Zhang Tao Wang Chen Wang Junfeng Zhang Xi Chen 2017Protein & Cell2017,8,6:6
9Resection of Giant Hepatic Cavernous Hemangiomas after Dissection of the Third Porta Hepatis显示文摘Objective:To estabhsh a novel and safe operation technique for the resection of giant hepatic cavernous hemangiomas involving the retro-hepatic vena cava.Methods:After ligating the hepatic artery of affected lobe, the short hepatic veins at the third porta hepatis were dissected and ligated individually to separate the tumor from the retrohepatic vena cava, followed by the resection of the tumor under intermittent interruption of the porta hepatis.Results:A total of 62 giant hepatic cavernous hemangiomas were successfully resected without hepatic vascular exclusion. Right and caudate lobectomies were done in 27 cases, right hemihepatectornies in 5 cases, right upper segnentectomies in 7 cases, right posterior lobectomies in 7 cases, extended left and caudate lobectomies in 10 cases, and caudate lobectomies in 6 cases. The blood transfusion requirement during operation was 1 400 ml on average. All did well postoperatively during a follow up of 4 - 84 months.Conclusion:It is safe and feasible to resect giant hepatic cavernous hemangioma following dissection of the third porta hepatis. Duringoperation the key step is dissection of the short hepatic veins.YAO Xiaoping, ZHOU Weiping, WANG Yi, WU Mengchao, JING Liang Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200438, China 2002The Chinese-German Journal of Clinical Oncology2002,1,1:4
10Big Earth data analytics:a survey显示文摘Big Earth data are produced from satellite observations,Internet-ofThings,model simulations,and other sources.The data embed unprecedented insights and spatiotemporal stamps of relevant Earth phenomena for improving our understanding,responding,and addressing challenges of Earth sciences and applications.In the past years,new technologies(such as cloud computing,big data and artificial intelligence)have gained momentum in addressing the challenges of using big Earth data for scientific studies and geospatial applications historically intractable.This paper reviews the big Earth data analytics from several aspects to capture the latest advancements in this fast-growing domain.We first introduce the concepts of big Earth data.The architecture,various functionalities,and supporting modules are then reviewed from a generic methodology aspect.Analytical methods supporting the functionalities are surveyed and analyzed in the context of different tools.The driven questions are exemplified through cutting-edge Earth science researches and applications.A list of challenges and opportunities are proposed for different stakeholders to collaboratively advance big Earth data analytics in the near future.Chaowei Yang Manzhu Yu Yun Li Fei Hu Yongyao Jiang Qian Liu Dexuan Sha Mengchao Xu Juan Gu 2019Big Earth Data2019,3,2:3
11MicroRNA-21 suppresses PTEN and hSulf-1 expression and promotes hepatocellular carcinoma progression through AKT/ERK pathways显示文摘Longlong Bao Yan Yan Can Xu Weidan Ji Shuwen Shen Gaoya Xu Yong Zeng Bin Sun Haihua Qian Lei Chen Mengchao Wu Changqing Su Jie Chen 2013Cancer Letters2013,,2:3
12Mixture Toxicities of Three Pesticides Having Different Time-Toxicity Profiles显示文摘In the environment,chemical pollutants always exist as mixtures.To evaluate mixture toxicity,we should ex-amine the concentration ratios and the concentration levels of mixture components as well as the interactive time between the components and testing organism.Selecting three pesticides,metribuzin(MET),dodine(DOD)and ri-domil(RID),as mixture components,Vibrio qinghaiensis sp.-Q67 as testing organism,and 96-well microplate as exposure experiment carrier,the luminescence inhibition toxicities of the pesticides and their binary mixtures at six exposure time points(0.25,2,4,8,12,and 16 h)were determined.The results showed that the three pesticides have different time-toxicity profiles.The toxicity of MET increases over time,and those of DOD and RID show a slight decrease or increase in the first 4 h,respectively,and then remain unchanged to 16 h.The toxicities of the binary mixtures consisting of the three pesticides depend on not only the mixture composition but also the exposure time.The time-toxicity profiles of all rays in MET-DOD mixture system are U-shaped curves,those in MET-RID system are basically monotonically increased and those in DOD-RID system are basically monotonically decreased.How-ever,our findings indicate that for the test substances,mixture toxicity can be predicted by the extended concentra-tion addition model.Mo Yu Shushen Liu Mengchao Wang Fu Chen Hanxiao Tang 2014Chinese Journal of Chemistry2014,32,6:2
13The protective role of hydrogen-rich saline in experimental liver injury in mice显示文摘HanYong Sun Lei Chen WeiPing Zhou Liang Hu Liang Li QianQian Tu YanXin Chang Qu Liu XueJun Sun MengChao Wu HongYang Wang 2010Journal of Hepatology2010,,3:2
14Xanthogranulomatous cholecystitis misdiagnosed as gallbladder carcinoma: retrospective analysis of 10 cases显示文摘Objective: To investigate the reasons for misdiagnosing xanthogranulomatous cholecystitis (XGC) as gallbladder carcinoma, and to provide differential points between these two diseases. Methods: Thirty-three patients with the final diag- nosis of XGC in our hospital over a period of 10 years (1996–2005) were reviewed, among which 10 (6 males and 4 females) were misdiagnosed as having gallbladder carcinoma either preoperatively or intraoperatively. Results: 10 misdiagnosed cases were examined preoperatively by B-ultrasound (BUS) and computed tomography (CT). BUS and CT revealed 5 cases of gallbladder carcinoma and 1 of chronic cholecystitis; 2 cases were diagnosed as gallbladder carcinoma on BUS but chronic cholecystitis on CT; other 2 cases were diagnosed as chronic cholecystitis on BUS but as gallbladder carcinoma on CT. Intra- operatively, thickening of the gallbladder wall was found in all of the patients; xanthogranulomatous tissue was found invading into other tissues including gallbladder bed and omentum majus. Intraoperative frozen section investigation was performed on 1 patient revealing that no tumor cell was found. Open cholecystectomy + partial hepatic wedge resection were performed on 3 patients; cholecystectomy + partial hepatic wedge resection + regional lymphadenectomy in the liver duodenum ligament on 6 patients; cholecystectomy + cholecystoenterostomy + colocolic anastomosis after partial resection of transverse colon on 1 patient. Postoperative pathological findings revealed XGC in all these patients. Conclusion: XGC is an uncommon variant of chronic cholecystitis of which clinical and imaging presentations closely resemble gallbladder carcinoma. Thus differentiation is essential by means of intraoperative frozen section investigation to ensure optimal surgical treatment since XGC has its pathological distinctions, which are not that of a precancerous change.Xiangji Luo Tian Yang Baihe Zhang Xiaoqing Jiang Yongjie Zhang Mengchao Wu 2007The Chinese-German Journal of Clinical Oncology2007,6,3:2
15Cold-induced retrotransposition of fish LINEs显示文摘Classes of retrotransposons constitute a large portion of metazoan genome. There have been cases reported that genomic abundance of retrotransposons is correlated with the severity of low environmental temperatures. However, the molecular mechanisms underlying such correlation are unknown. We show here by cell transfection assays that retrotransposition(RTP) of a long interspersed nuclear element(LINE) from an Antarctic notothenioid fish Dissostichus mawsoni(dmLl) could be activated by low temperature exposure, causing increased dmL1 copies in the host cell genome. The cold-induced dmL1 propagation was demonstrated to be mediated by the mitogen-activated protein kinases(MAPK)/p38 signaling pathway, which is activated by accumulation of reactive oxygen species(ROS) in cold-stressed conditions. Surprisingly, dmL1 transfected cells showed an increase in the number of viable cells after prolonged cold exposures than non-transfected cells. Features of cold inducibility of dmL1 were recapitulated in LINEs of zebrafish origin both in cultured cell lines and tissues, suggesting existence of a common cold-induced LINE amplification in fishes. The findings reveal an important function of LINES in temperature adaptation and provid insights into the MAPK/p38 stress responsive pathway that shapes LINE composition in fishes facing cold stresses.Shue Chen Mengchao Yu Xu Chu Wenhao Li Xiujuan Yin Liangbiao Chen 2017Journal of Genetics and Genomics2017,44,8:2
16Hepatitis B virus-associated intrahepatic cholangiocarcinoma and hepatocellular carcinoma may hold common disease process for carcinogenesis显示文摘HuaBang Zhou Hui Wang DongXun Zhou Hao Wang Qing Wang ShanShan Zou QianQian Tu MengChao Wu HePing Hu 2010European Journal of Cancer2010,,6:2
17Brain metastases from hepatocellular carcinoma after hepatectomy显示文摘Hepatocellular 癌是一个高度恶意的瘤并且经常包含 extrahepatic 机关,但是很少坚决地发生在大脑。我们在受不了 post-HBV hepatocarcinoma 的病人描述大脑转移的 3 个案例。疾病的服的本地化的像击的演讲能被两个解释肿瘤和肝硬化引起的经常的 hemocoagulative 改变的重要 vascularization。诊断 neuroradiology 的重要性简短被探讨,与 MRI 起的基本作用的参考。只要他们位于可存取的区域,病人的一般、神经病学的条件允许它,这些损害的外科不导致任何特别技术问题。手术后的放射疗法似乎改进剩余生活的质量和数量,尽管在文学描述的病人的数字太小,不能得出任何明确的结论在这方面。Duan Jicheng Yue Haiyan Liu Kai Wu Mengchao Yang Jiahe 2010Journal of Medical Colleges of PLA(China)2010,25,6:2
18MicroRNA-135a contributes to the development of portal vein tumor thrombus by promoting metastasis in hepatocellular carcinoma显示文摘Shupeng Liu Weixing Guo Jie Shi Nan Li Xiya Yu Jie Xue Xiaohui Fu Kaijian Chu Chongde Lu Jiangsha Zhao Dong Xie Mengchao Wu Shuqun Cheng Shanrong Liu 2011Journal of Hepatology2011,,2:2
19Tumor Cell Detection Device Based on Surface Plasmon Resonance Imaging and Image Processing显示文摘YANG Mengchao JIN Xinyu YUAN Maokai LIU Fan LANG Yicong WU Zhongyu XIANG Liancheng ZHOU Chao OUYANG Bo JIN Wei MU Ying 2014Chemical Research in Chinese Universities2014,30,2:2
20Experimental study on enhancement of the metastatic potential of portal vein tumor thrombus-originated hepatocellular carcinoma cells using portal vein serum显示文摘Objective: Portal vein metastasis of hepatocellular carcinoma(HCC) results in a poor prognosis and seriously affects the survival rate of patients. The mechanism underlying the formation of portal vein tumor thrombus(PVTT) is complex and is not yet fully understood. This study was conducted to investigate the impact of portal vein blood on the proliferation, metastasis, invasion and apoptosis of PVTT cells and to explore its possible mechanisms, which was expected to lay a foundation for ascertaining the mechanism underlying the portal vein metastasis of HCC.Methods: Peripheral blood and portal vein blood were collected from patients with HCC, and the sera from these two sources were used to culture the PVTT-originated HCC cell line CSQT-2. The cells were collected after 24 h, and flow cytometry was performed to detect cell proliferation, cell cycle stages and apoptosis. Transwell migration and invasion assays were applied to detect the metastasis and invasion of the cells in each group. The changes in the expression of MMP-2 and MMP-9 in cells were detected via Western blotting. The contents of IL-12, IFN-γ, IL-1β, IL-2 and TNF-α in the two groups of sera were quantified using corresponding kits. Results: Compared with the group of cells cultured with peripheral serum, the cells cultured with portal vein serum showed significantly lower apoptosis(P<0.01), significantly enhanced cell metastasis and invasion(P<0.01), whereas cell proliferation and the stages of the cell cycle did not differ significantly(P>0.05). A significantly increased expression level of MMP-2 has been observed in tumor cells treated portal vein serum. In addition, compared with peripheral serum, the content of IL-12 was significantly decreased in portal vein serum(P<0.05), while the contents of IFN-γ, IL-1β, IL-2, and TNF-α did not differ significantly(P>0.05). Conclusions: Portal vein serum from HCC patients could inhibit the apoptosis of PVTT-originated HCC cells and promote cell metastasis and invasion. This effect may be related to the lower level of IL-12 in portal vein serum.Yufu Tang Hongming Yu Long Zhang Kang Wang Weixing Guo Jie Shi Shupeng Liu Mengchao Wu Hongyang Wang Shuqun Cheng 2014Chinese Journal of Cancer Research2014,26,5:2
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