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    题名 作者 年代 出处 被引量
1SMARCA4缺失性子宫未分化肉瘤(子宫恶性横纹肌样瘤)是一组与未分化癌具有不同临床病理特征的肿瘤实体显示文摘卵巢高钙血症型小细胞癌非常罕见,通常发生于年轻女性,是一种侵袭性非常强的恶性肿瘤,其特征是具有SMARCA4突变,而几乎没有其他基因突变。作者最近遇到一些与卵巢高钙血症型小细胞癌具有相似的形态学、免疫表型和遗传学特征的子宫肿瘤。赵芳 魏建国 Kolin D L Dong F Baltay M 2018临床与实验病理学杂志2018,34,11:14
2骨桥蛋白通过激活NF-κB通路促进根尖周炎的骨质破坏显示文摘Dong M,Yu X,Chen W,et a1.Osteopontinpromotes bone destruction in periapieal periodontitisby activating the NF—κB pathway.Cell PhysiolBiochem,2018,49:3.目的:根尖周炎由细菌感染引起.导致牙槽骨破坏和牙脱落。骨桥蛋白(OPN)是一种磷酸化糖蛋白.参与骨代谢。方法:对33例慢性根尖周炎患者和10例因正畸切除健康牙体组织(对照)的患者进行研究.建立小鼠根尖周炎动物模型进行体内实验.分析OPN与根尖周炎中骨质破坏的关系。在体外培养成骨细胞和破骨细胞并用脂多糖处理。NF—κB的抑制剂用于预处理转染的细胞。结果:OPN增加破骨细胞增殖和分化,但减少成骨细胞增殖和分化。OPN在根尖周炎期间激活NF—KB通路.加速P65从细胞质向细胞核的转移和磷酸化。结论:OPN在根尖周炎的发展过程中发挥重要作用.并且在根尖周炎期间骨关节代谢中起双重作用.将破骨细胞与成骨细胞联系起来。其潜在的机制可能与NF—κB途径有关。Dong M Yu X Chen W 赵泽亮 2018中国口腔颌面外科杂志2018,16,6:14
3Metformin does not improve survival in patients with hepatocellular carcinoma显示文摘AIM:To assess whether metformin,which has a chemopreventive effect in chronic liver disease,has any chemotherapeutic effect in hepatocellular carcinoma.METHODS:This was a retrospective study of 701 patients with newly diagnosed hepatocellular carcinoma(HCC)seen between January 2005 and June 2011 at Mayo Clinic,Rochester,Minnesota.This patient cohort was a part of the global HCC BRIDGE study,which is a large longitudinal study of HCC determining the realworld experience of HCC characteristics,management and patient outcomes.We defined significant metformin exposure as continuation of this agent at least 90d beyond diagnosis of HCC,and compared survival of diabetic patients on metformin to diabetic patients not on metformin and non-diabetics.RESULTS:Our cohort was 72.9%male,with a mean±SD age of 62.6±12.3 years.The most common etiologies of liver disease were hepatitis C(34%),alcoholic liver disease(29%),fatty liver disease(15%)and hepatitis B(9%).By univariate analysis,using diabetics not on metformin as the reference group,diabetic patients with HCC on metformin had no survival advantage,with a HR(95%CI)of 1.0(0.8-1.3).Non-diabetic HCC patients also did not appear to have a survival advantage as compared to diabetic HCC patients not on metformin,as demonstrated by a HR(95%CI)of1.1(0.7-1.7).Diabetics on metformin beyond 90 d after HCC diagnosis had a longer median survival at 34.2 mo,as compared to 25.5 mo among diabetic patients who were not on metformin or had discontinued metformin within 90 d after HCC diagnosis.This finding was likely due to potential survival bias among those who lived long enough to receive metformin.CONCLUSION:Although the literature suggests a chemotherapeutic effect in other malignancies,our study demonstrates no survival benefit to the use of metformin in diabetic patients with HCC.Mamatha Bhat Roongruedee Chaiteerakij William S Harmsen Cathy D Schleck Ju Dong Yang Nasra H Giama Terry M Therneau Gregory J Gores Lewis R Roberts 2014World Journal of Gastroenterology2014,20,42:11
4Clopidogrel with aspirin in High- risk patients with Acute Non- disabling Cerebrovascular Events II (CHANCE-2): rationale and design of a multicentre randomised trial显示文摘Background In patients with a minor ischaemic stroke or transient ischaemic attack(TIA),separate trials have shown that dual antiplatelet therapy with clopidogrel plus aspirin(clopidogrel-aspirin)or ticagrelor plus aspirin(ticagrelor-aspirin)are more effective than aspirin alone in stroke secondary prevention.However,these two sets of combination have not been directly compared.Since clopidogrel was less effective in stroke patients who were CYP2C19 loss-of function(LOF)allele carriers,whether ticagrelor-aspirin is clinically superior to clopidogrel-aspirin in this subgroup of patients with stroke is unclear.Aim To describe the rationale and design considerations of the Clopidogrel in High-risk patients with Acute Non-disabling Cerebrovascular Events(CHANCE-2)trial.Design CHANCE-2 is a randomised,double-blind,double-dummy,placebo-controlled,multicentre trial that compares two dual antiplatelet strategies for minor stroke or TIA patients who are CYP2C19 LOF allele carriers:ticagrelor(180 mg loading dose on day 1 followed by 90 mg twice daily on days 2-90)or clopidogrel(300 mg loading dose on day 1 followed by 75 mg daily on days 2-90),plus open-label aspirin with a dose of 75-300 mg on day 1 followed by 75 mg daily on day 2-21.All will be followed for 1 year.Study outcomes The primary efficacy outcome is any stroke(ischaemic or haemorrhagic)within 3 months and the primary safety outcome is any severe or moderate bleeding event within 3 months.Discussion The CHANCE-2 trial will evaluate whether ticagrelor-aspirin is superior to clopidogrel-aspirin for minor stroke or TIA patients who are CYP2C19 LOF allele carriers.Yongjun Wang Claiborne Johnston Philip M Bath Xia Meng Jing Jing Xuewei Xie Anxin Wang Yuesong Pan Anding Xu Qiang Dong Yilong Wang Xingquan Zhao Zixiao Li Hao Li 2021Stroke & Vascular Neurology2021,6,2:10
5Convergent genomic signatures of high-altitude adaptation among domestic mammals显示文摘Abundant and diverse domestic mammals living on the Tibetan Plateau provide useful materials for investigating adaptive evolution and genetic convergence.Here,we used 327 genomes from horses,sheep,goats,cattle,pigs and dogs living at both high and low altitudes,including 73 genomes generated for this study,to disentangle the genetic mechanisms underlying local adaptation of domestic mammals.Although molecular convergence is comparatively rare at the DNA sequence level,we found convergent signature of positive selection at the gene level,particularly the EPAS1 gene in these Tibetan domestic mammals.We also reported a potential function in response to hypoxia for the gene C10 orf67,which underwent positive selection in three of the domestic mammals.Our data provide an insight into adaptive evolution of high-altitude domestic mammals,and should facilitate the search for additional novel genes involved in the hypoxia response pathway.Dong-Dong Wu Cui-Ping Yang Ming-Shan Wang Kun-Zhe Dong Da-Wei Yan Zi-Qian Hao Song-Qing Fan Shu-Zhou Chu Qiu-Shuo Shen Li-Ping Jiang Yan Li Lin Zeng He-Qun Liu Hai-Bing Xie Yun-Fei Ma Xiao-Yan Kong Shu-Li Yang Xin-Xing Dong Ali Esmailizadeh David M Irwin Xiao Xiao Ming Li Yang Dong Wen Wang Peng Shi Hai-Peng Li Yue-Hui Ma Xiao Gou Yong-Bin Chen Ya-Ping Zhang 2020National Science Review2020,7,6:7
6Three-dimensional structural changes in living hippocampal neurons imaged using magnetic AC mode atomic force microscopy.显示文摘Yunxu S Danying L Yanfang R Dong H Wanyun M 2006中国生物学文摘2006,20,9:7
7Nonlinear Bend Stiffener Analysis Using A Simple Formulation and Finite Element Method显示文摘Flexible marine risers are commonly used in deepwater floating systems.Bend stiffeners are designed to protect flexible risers against excessive bending at the connection with the hull.The structure is usually analyzed as a cantilever beam subjected to an inclined point load.As deflections are large and the bend stiffener material exhibits nonlinear stress-strain characteristics,geometric and material nonlinearities are important considerations.A new approach has been developed to solve this nonlinear problem.Its main advantage is its simplicity;in fact the present method can be easily implemented on a spreadsheet.Finite element analysis using ABAQUS is performed to validate the method.Solid elements are used for the bend stiffener and flexible pipe.To simulate the near inextensibility of flexible risers,a simple and original idea of using truss elements is proposed.Through a set of validation studies,the present method is found to be in a good agreement with the finite element analysis.Further,parametric studies are performed by using both methods to identify the key parameters and phenomena that are most critical in design.The most important finding is that the common practice of neglecting the internal steel sleeve in the bend stiffener analysis is non-conservative and therefore needs to be reassessed.TONG Dong Jin LOW Ying Min SHEEHAN John M 2011China Ocean Engineering2011,25,4:6
8N_2O emissions from agricultural soils in the North China Plain: the effect of chemical nitrogen fertilizer and organic manure显示文摘An enclosed chamber technique was used to measure N 2O emissions from intensively agricultural soils of the North China Plain during the periods of 1995—1996 and 1997—1998, to reflect distinct components of winter wheat and summer maize growing seasons. The results showed that the continuous application of fertilizer in agricultural soils increased N\-2O emissions by a factor of 24.1—28.1, the calculated annual chemical N fertilizer\|transformed N\-2O\|N emissions was 0.67%. Our results indicated that the application of organic manure also had a significant influence on soil N 2O emissions, which combined with the use of chemical N increased about 20% in a year. It was calculated that there were about 0.11% N of organic manure transformed as N 2O N. Annual mean N 2O emission from our study area of fertilized soils was estimated to be 57.1 μgN 2O/(m 2·h). A weak correlation was also found between N 2O emissions and soil available nitrogen content NH + 4.DONG Yun\|she 1,2,3 , Dieter Scharffe 2, Manfred Domroes 3, QI Yu chun 1, ZHANG Shen 1 (1. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China E\|mail: dongys@dls.iog.ac.cn 2. M 2000Journal of Environmental Sciences2000,12,4:6
9High-dose methylprednisolone can induce remissions in patients with fludarabine- refractory chronic lymphocytic leukaemia显示文摘Xu, W Miao, KR Hong, M Zhu, DX Fang, C Dong, HJ Wang, DM Cao, X Li, JY 2010南京医科大学学报(自然科学版)2010,30,11:5
10Heterogeneity of aberrant immunoglobulin expression in cancer cells显示文摘Accumulating evidence has shown that immunoglobulin(Ig)is‘unexpectedly’expressed by epithelial cancer cells and that it can promote tumor growth.The main purpose of this study was to explore the components of the cancerous Ig and its possible function.The presence of cancerous Ig in the Golgi apparatus was confirmed by immunofluorescence,indirectly suggesting that the cancerous Ig was processed and packaged in cancer cells.Western blot analysis and ELISA results indicated that cancer cells produced membrane Ig and secreted Ig into the supernatant fraction.The cancerous Ig consists of an a heavy chain and a k light chain.Finally,by analyzing the Ig components pulled down by protein A beads,the cancerous Ig was found to be structurally distinct from normal Ig.The cancerous Ig was truncated or aberrant.Although the underlying mechanism that causes the abnormalities has not been determined,our current discoveries strengthen our previous findings and promise fruitful future explorations.Duosha Hu Zhi Duan Ming Li Yiqun Jiang Haidan Liu Hui Zheng Lili Li Ann M Bode Zigang Dong Ya Cao 2011Cellular & Molecular Immunology2011,8,6:5
11Effect of nitrogen fertilization on yield, N content, and nitrogen fixation of alfalfa and smooth bromegrass grown alone or in mixture in greenhouse pots显示文摘Planting grass and legume mixtures on improved grasslands has the potential advantage of realizing both higher yields and lower environmental pollution by optimizing the balance between applied N fertilizer and the natural process of legume biological nitrogen fixation. However, the optimal level of N fertilization for grass-legume mixtures, to obtain the highest yield, quality, and contribution of N2 fixation, varies with species. A greenhouse pot experiment was conducted to study the temporal dynamics of N2 fixation of alfalfa(Medicago sativa L.) grown alone and in mixture with smooth bromegrass(Bromus inermis Leyss.) in response to the addition of fertilizer N. Three levels of N(0, 75, and 150 kg ha–1) were examined using 15N-labeled urea to evaluate N2 fixation via the 15 N isotope dilution method. Treatments were designated N0(0.001 g per pot), N75(1.07 g per pot) and N150(2.14 g per pot). Alfalfa grown alone did not benefit from the addition of fertilizer N; dry matter was not significantly increased. In contrast, dry weight and N content of smooth bromegrass grown alone was increased significantly by N application. When grown as a mixture, smooth bromegrass biomass was increased significantly by N application, resulted in a decrease in alfalfa biomass. In addition, individual alfalfa plant dry weight(shoots+roots) was significantly lower in the mixture than when grown alone at all N levels. Smooth bromegrass shoot and root dry weight were significantly higher when grown with alfalfa than when grown alone, regardless of N application level. When grown alone, alfalfa's N2 fixation was reduced with N fertilization(R2=0.9376, P=0.0057). When grown in a mixture with smooth bromegrass, with 75 kg ha–1 of N fertilizer, the percentage of atmospheric N2 fixation contribution to total N in alfalfa(%Ndfa) had a maximum of 84.07 and 83.05% in the 2nd and 3rd harvests, respectively. Total 3-harvest %Ndfa was higher when alfalfa was grown in a mixture than when grown alone(shoots: |t|=3.39, P=0.0096; root: |t|=3.57, P=0.0073). We believe this was due to smooth bromegrass being better able to absorb available soil N(due to its fibrous root system), resulting inlower soil N availability and allowing alfalfa to develop an effective N2 fixing symbiosis prior to the 1st harvest. Once soil N levels were depleted, alfalfa was able to fix N2, resulting in the majority of its tissue N being derived from biological nitrogen fixation(BNF) in the 2nd and 3rd harvests. When grown in a mixture, with added N, alfalfa established an effective symbiosis earlier than when grown alone; in monoculture BNF did not contribute a significant portion of plant N in the N75 and N150 treatments, whereas in the mixture, BNF contributed 17.90 and 16.28% for these treatments respectively. Alfalfa has a higher BNF efficiency when grown in a mixture, initiating BNF earlier, and having higher N2 fixation due to less inhibition by soil-available N. For the greatest N-use-efficiency and sustainable production, grass-legume mixtures are recommended for improving grasslands, using a moderate amount of N fertilizer(75 kg N ha–1) to provide optimum benefits.XIE Kai-yun LI Xiang-lin HE Feng ZHANG Ying-jun WAN Li-qiang David B Hannaway WANG Dong QIN Yan Gamal M A Fadul 2015Journal of Integrative Agriculture2015,14,9:5
12Involvement and therapeutic implications of airway epithelial barrier dysfunction in type 2 inflammation of asthma显示文摘Type 2 inflammation is a complex immune response and primary mechanism for several common allergic diseases including allergic rhinitis,allergic asthma,atopic dermatitis,and chronic rhinosinusitis with nasal polyps.It is the predominant type of immune response against helminths to prevent their tissue infiltration and induce their expulsion.Recent studies suggest that epithelial barrier dysfunction contributes to the development of type 2 inflammation in asthma,which may partly explain the increasing prevalence of asthma in China and around the globe.The epithelial barrier hypothesis has recently been proposed and has received great interest from the scientific community.The development of leaky epithelial barriers leads to microbial dysbiosis and the translocation of bacteria to inter-and sub-epithelial areas and the development of epithelial tissue inflammation.Accordingly,preventing the impairment and promoting the restoration of a deteriorated airway epithelial barrier represents a promising strategy for the treatment of asthma.This review introduces the interaction between type 2 inflammation and the airway epithelial barrier in asthma,the structure and molecular composition of the airway epithelial barrier,and the assessment of epithelial barrier integrity.The role of airway epithelial barrier disruption in the pathogenesis of asthma will be discussed.In addition,the possible mechanisms underlying the airway epithelial barrier dysfunction induced by allergens and environmental pollutants,and current treatments to restore the airway epithelial barrier are reviewed.Xiang Dong Mei Ding Jinjin Zhang Ismail Ogülür Yagiz Pat Mübeccel Akdis Yadong Gao Cezmi A.Akdis 2022Chinese Medical Journal2022,,5:4
13A Theoretical Study on Pyrolysis and Sensitivity of Energetic Compounds(Ⅴ)──Nitro Derivatives of Methylbenzene显示文摘UHF-SCF-AM1 MO calculations were performed for two kinds of pyrolysis reactions of seven nitro derivatives of methylbenzene(homolysis reactions by the rupture of bond C-NO2 into radicals and isomerization reactions in the way of methyl H transferring to the ortho nitro O atom). The molecular geometries of the reactants, the transition states and the products of the fourteen reactions were fully optimized. The activation energies for these two kinds of reactions have been obtained. The results indicate that this category of compounds is more easily pyrolyzed by being initiated via isomerization reactions. A parallel relationship exists between the activation energy of the isomerization reactions and the impact sensitivity of the seven titled compounds.GU Zhi-ming FAN Jian-fen XIAO He-ming and DONG Hai-shan (Department of Chemistry, Nanjing University of Science and Technology, Nanjing 210094, P. R. China Department of Chemistry, Suzhou University, Suzhou 215006, P. R. China Institute of Chemical M 2000Chemical Research in Chinese Universities2000,16,1:4
14改性十六烷基甜菜碱表面活性剂在个人护理品中的应用显示文摘开发了一种温和的源自天然原料的表面活性剂。它能够与各种水溶助长性表面活性剂复配并有效地提高护发和护肤产品的温和性、黏度及发泡性。Susan X M Dong Branko Sajic Anatoly Dameshek 谢文炳 2012日用化学品科学2012,35,2:3
15Machine learning models compared to existing criteria for noninvasive prediction of endoscopic retrograde cholangiopancreatography-confirmed choledocholithiasis显示文摘Background and aims:Noninvasive predictors of choledocholithiasis have generally exhibited marginal performance characteristics.We aimed to identify noninvasive independent predictors of endoscopic retrograde cholangiopancreatography(ERCP)-confirmed choledocholithiasis and accordingly developed predictive machine learning models(MLMs).Methods:Clinical data of consecutive patients undergoing first-ever ERCP for suspected chol-edocholithiasis from 2015 to 2019 were abstracted from a prospectively-maintained database.Multiple logistic regression was used to identify predictors of ERCP-confirmed choledocholithiasis.MLMs were then trained to predict ERCP-confirmed choledocholithiasis using pre-ERCP ultrasound(US)imaging only as well as using all available noninvasive imaging(US,computed tomography,and/or magnetic reso-nance cholangiopancreatography).The diagnostic performance of American Society for Gastrointestinal Endoscopy(ASGE)“high-likelihood”criteria was compared to MLMs.Results:We identified 270 patients(mean age 46 years,62.2%female,73.7%Hispanic/Latino,59%with noninvasive imaging positive for choledocholithiasis)with native papilla who underwent ERCP for suspected choledocholithiasis,of whom 230(85.2%)were found to have ERCP-confirmed chol-edocholithiasis.Logistic regression identified choledocholithiasis on noninvasive imaging(odds ratio(OR)¼3.045,P¼0.004)and common bile duct(CBD)diameter on noninvasive imaging(OR¼1.157,P¼0.011)as predictors of ERCP-confirmed choledocholithiasis.Among the various MLMs trained,the random forest-based MLM performed best;sensitivity was 61.4%and 77.3%and specificity was 100%and 75.0%,using US-only and using all available imaging,respectively.ASGE high-likelihood criteria demonstrated sensitivity of 90.9%and specificity of 25.0%;using cut-points achieving this specificity,MLMs achieved sensitivity up to 97.7%.Conclusions:MLMs using age,sex,race/ethnicity,presence of diabetes,fever,body mass index(BMI),total bilirubin,maximum CBD diameter,and choledocholithiasis on pre-ERCP noninvasive imaging predict ERCP-confirmed choledocholithiasis with good sensitivity and specificity and outperform the ASGE criteria for patients with suspected choledocholithiasis.Camellia Dalai John M Azizian Harry Trieu Anand Rajan Formosa C Chen Tien Dong Simon W Beaven James H.Tabibian 2021Liver Research2021,5,4:3
16Factors Affected HIV Testing and HIV Infection among Internet-based Self-testing MSM Who Never Tested for HIV in Beijing,China显示文摘Around half of the men who have sex with men(MSM)have never been tested for human immunodeficiency virus(HIV),even though the health authorities promoted a massive scale-up of HIV testing and counseling in health facilities[1].HIV self-testing has been recommended by the World Health Organization as a user-friendly,convenient,rapid,and accurate approach to access HIV testing[2].An internet-based provision of self-testing services may be critical to the rollout of HIV self-testing,but more research is needed.JIN Xia XIAO Dong XU Jun Jie SMITH M Kumi XIU Xiang Fei DING Zheng Wei CAO Ning Xiao BAO Yu Gang 2020Biomedical and Environmental Sciences2020,33,10:2
17Serotonin type 3 receptor subunit gene polymorphisms associated with psychosomatic symptoms in irritable bowel syndrome:A multicenter retrospective study显示文摘BACKGROUND Single-nucleotide polymorphisms(SNPs)of the serotonin type 3 receptor subunit(HTR3)genes have been associated with psychosomatic symptoms,but it is not clear whether these associations exist in irritable bowel syndrome(IBS).AIM To assess the association of HTR3 polymorphisms with depressive,anxiety,and somatization symptoms in individuals with IBS.METHODS In this retrospective study,623 participants with IBS were recruited from five specialty centers in Germany,Sweden,the United States,the United Kingdom,and Ireland.Depressive,anxiety,and somatization symptoms and sociodemographic characteristics were collected.Four functional SNPs—HTR3A c.-42C>T,HTR3B c.386A>C,HTR3C c.489C>A,and HTR3E c.*76G>A—were genotyped and analyzed using the dominant and recessive models.We also performed separate analyses for sex and IBS subtypes.SNP scores were calculated as the number of minor alleles of the SNPs above.The impact of HTR3C c.489C>A was tested by radioligand-binding and calcium influx assays.RESULTS Depressive and anxiety symptoms significantly worsened with increasing numbers of minor HTR3C c.489C>A alleles in the dominant model(F_(depressive)=7.475,P_(depressive)=0.006;F_(anxiety)=6.535,P_(anxiety)=0.011).A higher SNP score(range 0-6)was linked to a worsened depressive symptoms score(F=7.710,P-linear trend=0.006)in IBS.The potential relevance of the HTR3C SNP was corroborated,showing changes in the expression level of 5-HT3AC variant receptors.CONCLUSION We have provided the first evidence that HTR3C c.489C>A is involved in depressive and anxiety symptoms in individuals with IBS.The SNP score indicated that an increasing number of minor alleles is linked to the worsening of depressive symptoms in IBS.Sabrina Berens Yuanjun Dong Nikola Fritz Jutta Walstab Mauro D'Amato Tenghao Zheng Verena Wahl Felix Boekstegers Justo Lorenzo Bermejo Cristina Martinez Stefanie Schmitteckert Egbert Clevers Felicitas Engel Annika Gauss Wolfgang Herzog Robin Spiller Miriam Goebel-Stengel Hubert Mönnikes Viola Andresen Frieling Thomas Jutta Keller Christian Pehl Christoph Stein-Thöringer Gerard Clarke Timothy G Dinan Eamonn M Quigley Gregory Sayuk Magnus Simrén Jonas Tesarz Gudrun Rappold Lukas van Oudenhove Rainer Schaefert Beate Niesler 2022World Journal of Gastroenterology2022,28,21:2
18Adsorption of Pb and Cd onto metal oxides and organic material in natural surface coatings as determined by selective extractions:New evidence for the Importance of Mn and Fe Oxides显示文摘Dong D Nelson Y M Lion L W 2000Water Research2000,34,2:2
19Non-steroidal anti-inflammatory drugs and risk of neoplastic progression in Barrett’s oesophagus: a prospective study显示文摘Thomas L Vaughan Linda M Dong Patricia L Blount Kamran Ayub Robert D Odze Carissa A Sanchez Peter S Rabinovitch Brian J Reid 2005Lancet Oncology2005,,12:2
20The development of metallic behavior in clusters 显示文摘VENKATESAN T RAJESWARI M DONG Z W 1998Phil Trans R Soc1998,356,:2
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