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83篇 您的检索式:作者名="Xi Huan"
    题名 作者 年代 出处 被引量
1Intestinal Microbial Community Differs between Acute Pancreatitis Patients and Healthy Volunteers显示文摘包括 45 尖锐胰腺炎和 44 个健康志愿者的案例控制研究被执行调查在肠的微生物引起的社区和尖锐胰腺炎之间的协会。定序的高产量的 16S rRNA 基因 amplicon 被用来介绍样品的 microbiological 作文。总共, 27 微生物引起的数被检测,胰腺炎病人的样品包含了更少数。从尖锐胰腺炎病人的样品从健康志愿者比那些包含了更多的 Bacteroidetes 和 Proteobacteria 和更少 Firmicutes 和 Actinobacteria。PCoA 分析健康志愿者把尖锐胰腺炎病人的烘便的微生物引起的社区与那些区分开来。尖锐胰腺炎病人的肠的微生物与健康志愿者的那些不同。肠的 microbiome 的调整可以为对待尖锐胰腺炎用作其他的策略。ZHANG Xi Mei ZHANG Zheng Yu ZHANG Chen Huan WU Jing WANG You Xin ZHANG Guo Xin 2018Biomedical and Environmental Sciences2018,31,1:20
2Plasmacytoid Dendritic Cells Act as the Most Competent Cell Type in Linking Antiviral Innate and Adaptive Immune Responses显示文摘Appropriate in vivo control of plasmacytoid dendritic cell (pDC) recruitment and activation is a fundamental requirement for defense against viral infection. During this process, a pivotal event that influences the outcome of viral infection is the production of high levels of type I interferon by pDCs. In particular, recent research findings showed that pDCs not only shape the nature of innate resistance, but are also responsible for the successful transition from innate to adaptive immunity for viral resistance. In addition, pDCs can differentiate into antigen presenting cells that may regulate tolerance to a given pathogen. Importantly, in a series of recent clinical studies,pDCs appeared to be defective in number and function in conditions of chronic viral diseases such as infected with HIV-1, HBV or HCV. pDC-associated clinical antiviral therapy is also emerging. This review describes research findings exanining the functional and antiviral properties of in vivo pDC plasticity.Zheng Zhang~1 Fu-Sheng Wang~(1,2) ~1Research Center of Biological Therapy,Beijing 302 Hospital,Beijing 100039,China ~2Research Centre of Biological Therapy,Beijing Institute of Infectious Diseases,Beijing 302 Hospital,100 Xi Si Huan Middle Road,Beijing 100039,China. 2005Cellular & Molecular Immunology2005,2,6:16
3Genesis of the Zhaokalong Fe-Cu Polymetallic Deposit at Yushu, China: Evidence from Ore Geochemistry and Fluid Inclusions显示文摘The ore types of the Zhaokalong Fe-Cu deposit are divided into two categories: sulfide-type and oxide-type. The sulfide-type ore include siderite ore, galena-sphalerite ore and chalcopyrite ore, whereas the oxide-type ore include magnetite ore and hematite ore. The ore textures and structures indicate that the Zhaokalong deposit is of the sedimentary-exhalative mineralization type. Geochemical analyses show that the two ore types have a high As, Sb, Mn, Co and Ni content. The REE patterns reveal an enrichment of the LREE compared to the HREE. Isotopic analysis of siderite ore reveal that the δ13CPDB ranges from 2.01 to 3.34 (‰) whereas the δ18O SMOW ranges from 6.96 to 18.95 (‰). The fluid inclusion microthermometry results indicate that homogenization temperatures of fluid inclusions in quartz range from 131 to 181℃, with salinity values of 1.06 to 8.04 wt% NaCl eq. The mineralizing fluid therefore belongs to the low temperature - low salinity system, with a mineralizing solution of a CO2-Ca2+(Na+, K+)-SO42-(F-, Cl-)-H2O system. The geochemical results and fluid inclusion data provide additional evidence that the Zhaokalong deposit is a sedex-type deposit that experienced two stages of mineralization. The sulfide mineralization probably occurred first, during the sedimentary exhalative process, as exhibited by the abundance of marine materials associated with the sulfide ores, indicating a higher temperature and relatively deoxidized oceanic depositional environment. After the main exhalative stage, hydrothermal activity was superimposed to the sulfide mineralization. The later stage oxide mineralization occurred in a low temperature and relatively oxidized environment, in which magmatic fluid circulation was dominant.LI Huan XI Xiaoshuang WU Chengming Koichiro WATANABE 2013Acta Geologica Sinica(English Edition)2013,87,2:15
4A cyclic nucleotide-gated channel mediates cytoplasmic calcium elevation and disease resistance in rice显示文摘The transient elevation of cytoplasmic calcium is essential for pathogen-associated molecular pattern(PAMP)-triggered immunity(PTI).However,the calcium channels responsible for this process have remained unknown.Here,we show that rice CDSI(CELL DEATH and SUSCEPTIBLE to BLAST 1)encoding OsCNGC9;a cyclic nucleotide-gated channel protein,positively regulates the resistance to rice blast disease.We show that OsCNGC9 mediates PAMP-induced Ca2+influx and that this event is critical for PAMPs-triggered ROS burst and induction of PTI-related defense gene expression.We further show that a PTI related receptor-lih cytoplasmic kinase OsRLCK185 physically interacts with and phosphorylates OsCNGC9 to activate its channel activity.Our results suggest a signaling cascade linking pattern recognition to calcium channel activation,which is required for initiation of PTI and disease resistance in rice.Jiachang Wang Xi Liu An Zhang Yulong Ren Fuqing Wu Gang Wang Yang Xu Cailin Lei Shanshan Zhu Tian Pan Yongfei Wang Huan Zhang Fan Wang Yan-Qiu Tan Yupeng Wang Xin Jin Sheng Luo Chunlei Zhou Xiao Zhang Jinling Liu Shuai Wang Lingzhi Meng Yihua Wang Xi Chen Qibing Lin Xin Zhang Xiuping Guo Zhijun Cheng Jiulin Wang Yunlu Tian Shijia Liu Ling Jiang Chuanyin Wu Ertao Wang Jian-Min Zhou Yong-Fei Wang Haiyang Wang Jianmin Wan 2019Cell Research2019,29,10:13
5Multicenter Evaluation of the Molecular Line Probe Assay for Multidrug Resistant Mycobacterium Tuberculosis Detection in China显示文摘In order to evaluate the performance of a molecular Hain line probe assay(Hain LPA)for rapid detection of rifampicin and isoniazid resistance of Mycobacterium tuberculosis in China。LI Qiang DONG Hai Yan PANG Yu XIA Hui OU Xi Chao ZHANG Zhi Ying LI Jun Chen ZHANG Jian Kang HUAN Shi Tong CHIN Daniel P KAM Kai Man ZHAO Yan Lin 2015Biomedical and Environmental Sciences2015,28,6:13
6TaqMan Real-time RT-PCR Assay for Detecting and Differentiating Japanese Encephalitis Virus显示文摘Objective To detect Japanese encephalitis virus(JEV) rapidly and distinguish its genotypes, a TaqMan-based reverse transcriptase quantitative polymerase chain reaction(RT-PCR) detection system was developed.Methods By aligning the full-length sequences of JEV(G1-G5), six sets of highly specific TaqMan real-time RT-PCR primers and probes were designed based on the highly conserved NS1, NS2, and M genes of JEV, which included one set for non-specific JEV detection and five sets for the detection of specific JEV genotypes. Twenty batches of mosquito samples were used to evaluate our quantitative PCR assay.Results With the specific assay, no other flavivirus were detected. The lower limits of detection of the system were 1 pfu/mL for JEV titers and 100 RNA copies/μL. The coefficients of variation of this real-time RT-PCR were all < 2.8%. The amplification efficiency of this method was between 90% and 103%.Conclusion A TaqMan real-time RT-PCR detection system was successfully established to detect and differentiate all five JEV genotypes.SHAO Nan LI Fan NIE Kai FU Shi Hong ZHANG Wei Jia HE Ying LEI Wen Wen WANG Qian Ying LIANG Guo Dong CAO Yu Xi WANG Huan Yu 2018Biomedical and Environmental Sciences2018,31,3:10
7S and Pb Isotopic Constraints on the Relationship between the Linong Granodiorite and the Yangla Copper Deposit,Yunnan,China显示文摘The Yangla copper deposit, located in western Yunnan Province, China, is a typical giant, newly started mining copper deposit with an estimated Cu reserves of about 1,200,000 tons. The deposit is spatially and temporally associated with the Linong granodiorite, which is rich in SiO2 (SiO2=58.25 wt%-69.84 wt%) and alkalis (Na2O+K2O=5.98 wt%-8.34 wt%), indicating an association with shoshonitic series to high-K calc-alkaline series granites, and shows low contents of TiO2 (0.35 wt%-0.48 wt%), MgO (1.51 wt%-1.72 wt%), and Al2O3 (13.38 wt%-19.75 wt%). The δ34S values of sulfides of the main ore stage from copper ores vary range from ?4.2‰ to ?0.9‰, indicating a much greater contribution from the mantle to the ore-forming fluids. The δ34S values of the late ore stage is 9.8‰, indicating enrichment of biogenic sulfur which may derive from the crustal hydrothermal fluid. The 208Pb/204Pb, 207Pb/204Pb and 206Pb/204Pb of sulfides of the main ore stage from copper ores range within 38.66-38.73, 15.71-15.74 and 18.35-19.04, respectively, implying that the Pb was derived from the mantle, with the crustal component, probably representing mixtures of mantle lead and crustal lead. Sulfide of the late ore stage in their Pb isotopic composition, 208Pb/204Pb= 38.69, 207Pb/204Pb=15.70, 206Pb/204Pb=18.35, implying that the Pb was derived from the crust. The Linong granodiorite is syn-collisional, produced by partial melting of thickened lower crust, which was triggered by the westward subduction of the Jinshajiang Oceanic plate. During a transition in geodynamic setting from collision-related compression to extension, gently dipping ductile shear zones (related to subduction) were transformed to brittle shear zones, consisting of a series of thrust faults in the Jinshajiang tectonic belt. The tensional thrust faults would have been a favorable environment for ore-forming fluids. The ascending magma provided a channel for the ore-forming fluid from the mantle wedge. After the magma arrived at the base of the early-stage Linong granodiorite, the platy granodiorite at the base of the body would have shielded the late-stage magma from the fluid. The magma would have cooled slowly, and some of the ore-forming fluid in the magma would have entered the gently dipping thrust faults near the Linong granodiorite, resulting in mineralization.YANG Xi'an LIU Jiajun HAN Siyu WANG Huan CHEN Siyao 2012Acta Geologica Sinica(English Edition)2012,86,6:9
8Inflammasome activation in mouse inner ear in response to MCMV induced hearing loss显示文摘Objective: To identify presence of inflammasome activated in mouse cochlea with sensorineural hearing loss(SNHL) caused by cytomegalovirus(CMV) infection.Method: MCMV was injected into the right cerebral hemisphere in neonatal BALB/c mice at 2000 pfu virus titers. Auditory brainstem responses(ABRs) were tested to evaluate hearing at 21 days. Histopathological studies were conducted to confirm localizations of MCMV infected cells in the inner ear. Expression of inflammasome related factors was assessed by immunofluorescence, Quantitative real-time PCR and Western blotting.Results: In the mouse model of CMV induced SNHL, inflammasome related kinase Caspase-1 and downstream inflammatory factor IL-1b and IL-18 were found increased and activated after CMV infection in the cochlea. These factors could further up-regulate expression of IL-6 and TNFa. These inflammatory factors are neurotoxicity and may contribute to hearing impairment. Furthermore, we also detected significantly increased AIM2 protein that accumulated in the SGN of cochleae with CMV infection.Significance: We have shown that inflammasome as a novel inherent immunity mechanism may contribute to hearing impairment.Conclusion: Our data indicate that imflammasome assemble in mouse inner ear in response to CMV infection. We have revealed a novel pathology event in CMV induced SNHL involving activation of inflammasome in mouse cochlea. Additionally, we have shown that inflammasome may be a novel target for prevention and treatment of CMV related SNHL.Xi Shi Yanfen Dong Ya Li ZenLu Zhao Huan Li Shiwei Qiu Yaohan Li Weiwei Guo Yuehua Qiao 2015Journal of Otology2015,10,4:9
9A LysM Receptor Heteromer Mediates Perception of Arbuscular Mycorrhizal Symbiotic Signal in Rice显示文摘Symbiotic microorganisms improve nutrient uptake by plants.To initiate mutualistic symbiosis with arbus-cular mycorrhizal(AM)fungi,plants perceive Myc factors,including lipochitooligosaccharides(LCOs)and short-chain chitooligosaccharides(CO4/CO5),secreted by AM fungi.However,the molecular mechanism of Myc factor perception remains elusive.In this study,we identified a heteromer of LysM receptor-like kinases consisting of OsMYR1/OsLYK2 and OsCERK1 that mediates the perception of AM fungi in rice.CO4 directly binds to OsMYR1,promoting the dimerization and phosphorylation of this receptor complex.Compared with control plants,Osmyr1 and Oscerk1 mutant rice plants are less sensitive to Myc factors and show decreased AM colonization.We engineered transgenic rice by expressing chimeric receptors that respectively replaced the ectodomains of OsMYR1 and OsCERK1 with those from the homologous Nod factor receptors MtNFP and MtL YK3 of Medicago truncatula.Transgenic plants displayed increased cal-cium oscillations in response to Nod factors compared with control rice.Our study provides significant mechanistic insights into AM symbiotic signal perception in rice.Expression of chimeric Nod/Myc recep-tors achieves a potentially important step toward generating cereals that host nitrogen-fixing bacteria.Jiangman He Chi Zhang Huiling Dai Huan Liu Xiaowei Zhang Jun Yang Xi Chen Yayun Zhu Dapeng Wang Xiaofeng Qi Weichao Li Zhihui Wang Guoyong An Nan YU Zuhua He Yong-Fei Wang Youli Xiao Peng Zhang Ertao Wang 2019Molecular Plant2019,12,12:9
10Molecular Characterization of Full-length Genome of Japanese Encephalitis Virus Genotype V Isolated from Tibet, China显示文摘Objective To determine the molecular characterization of full-length genome of Japanese encephalitis virus(JEV) genotype V. Methods The full-length nucleotide sequences of JEV strains isolated from different locations and sources were used in sequence and phylogenetic analysis. Results The full-length genome of genotypes V JEV, XZ0934, and Muar strain were composed of 10 983 and 10 988 nucleotides respectively and shared a lower level of identity with JEV genotypes I-IV, ranging from 78.4%(G I, KV1899) to 79.7%(G III, JaGAr01), for the nucleotide sequences, and from 90.0%(G I, KV1899) to 91.8%(G III, JaGAr01) for the amino acid sequences. The open reading frame(ORF) of JEV genotype V spanned nucleotides 96 to 10 397 and encoded 3 433 amino acids. Interestingly, a comparison with JEV genotype I-IV revealed that 3 nucleotides(encoded with a serine residue) were inserted in the NS4A gene of JEV genotype V, and the insertion of nucleotides was also found in downstream of the ORF stop codon in 3'-untranslated region. Moreover, numerous amino acid mutations were observed in 3 functional domains of the E gene of JEV genotype V. Conclusion The molecular characterization of JEV genotype V is significantly different from that of the known genotypes I-IV. The mutations located in the coding region and the non-coding region may be molecular markers of JEV genotype V and warrant further studies to determine their effects on biology and immunogenicity of genotype V strains.LI Ming Hua FU Shi Hong CHEN Wei Xin WANG Huan Yu CAO Yu Xi LIANG Guo Dong 2014Biomedical and Environmental Sciences2014,27,4:8
11Endometrial MicroRNA Signature during the Window of Implantation Changed in Patients with Repeated Implantation Failure显示文摘Cheng Shi Huan Shen Li-Juan Fan Jing Guan Xin-Bang Zheng Xi Chen Rong Liang Xiao-Wei Zhang Qing-Hua Cui Kun-Kun Sun Zhu-Ran Zhao Hong-Jing Han 2017Chinese Medical Journal2017,,5:8
12Cytotoxic effects of mono-(2-ethylhexyl) phthalate on human embryonic stem cells显示文摘SHI Cheng CHEN Xi CAI Xiao-hui YU Wei-dong LIANG Rong LU Qun SHEN Huan 2013Chinese Medical Journal2013,,9:6
13Identification and determination of the major constituents in traditional Chinese medicine Longdan Xiegan Pill by HPLC-DAD-ESI-MS显示文摘A novel and sensitive HPLC-UV method has been developed for the simultaneous determination of twelve major compounds in Longdan Xiegan Pill.The chemical profile of the twelve compounds,including geniposidic acid(1),geniposide(2),gentiopicroside(3),liquiritin(4),crocin(5),baicalin(6),wogonoside(7),baicalein(8),glycyrrhizic acid(9),wogonin(10),oroxylin A(11)and aristolochic acid A(12),was acquired using high-performance liquid chromatography-diode array detector coupled with an electrospray tandem mass spectrometer(HPLC-DAD-ESI-MS).The analysis was performed on a Dikma Platisil ODS C18 column(250 mm×4.6 mm,5 μm)with a gradient solvent system of acetonitrile-0.1% aqueous formic acid.The validation was carried out and the linearities(r>0.9996),repeatability(RSD<1.8%),intra-and inter-day precision(RSD<1.3%),and recoveries(ranging from 96.6% to 103.4%)were acceptable.The limits of detection(LOD)of these compounds ranged from 0.29 to 4.17 ng.Aristolochic acid A,which is the toxic ingredient,was not detected in all the batches of Longdan Xiegan Pill.Furthermore,hierarchical cluster analysis was used to evaluate the variation of the herbal prescription.The proposed method is simple,effective and suitable for the quality control of this traditional Chinese medicine(TCM).Hui Liu Juan Su Xu Liang Xi Zhang Ya-Jun He Hai-Qiang Huan Ji Ye Wei-Dong Zhang 2011Journal of Pharmaceutical Analysis2011,1,1:5
14Efficient oxidation of benzyl alcohol with heteropolytungstate as reaction-controlled phase-transfer catalyst显示文摘一系列 heteropolytungstates 被综合了并且作为催化剂利用了与水的过氧化氢催化本甲基酒精的氧化。结果显示三这些催化剂显示出控制反应的阶段转移催化作用的性质,并且他们有优秀催化能力到本甲基酒精的氧化。没有另外的副产品被气相色谱检测。一旦过氧化氢完全被消费,催化剂从催化剂的溶剂,和结果猛抛再循环证明催化剂有高稳定性。Zhi Huan Weng Jin Yan Wang Xi Gao Jian 2007Chinese Chemical Letters2007,18,8:5
15Electric conductivity and electric convertibility of potassium acetate in water, ethanol, 2,2,2–trifluoroethanol, 2–propanol and their binary blends显示文摘Salinity gradient energy between the concentrated and diluted electrolyte solutions can be converted to electric energy by using reverse electrodialysis(RED) technology. Electrolyte solution is a vital factor that impacts the energy conversion efficiency. Potassium acetate(KAc) was chosen as solute, and water, ethanol, 2,2,2-trifluoroethanol(TFE), 2-propanol(IPA) and several of their binary mixtures were selected as solvents. Electric conductivity of these solutions were measured under varying conditions. KAc was easily ionized in water and possessed the maximum electric conductivity, following by KAc–H_2O–TFE and KAc–H_2O–ethanol, and then KAc in pure TFE, ethanol, and IPA respectively. For electric convertibility of these solutions working in a RED power generation system, it was found that the KAc–H_2O possessed the maximum power density, and the KAc–ethanol–H_2O possessed the larger open circuit voltage than aqueous KAc solution under the same working condition. Besides, it was observed that both the electric conductivity and electric convertibility were significantly influenced by the concentration and temperature of solution. With the increasing of concentration,electric conductivity of these solutions increased firstly and then reached to the peak, but later it decreased.Solution temperature took a positive impact role to the electric conductivity. Electric conductivity of these solutions can be estimated by using a modified amplitude version of Gaussian peak function.Xi Wu Shiming Xu Debing Wu Huan Liu 2018Chinese Journal of Chemical Engineering2018,26,12:5
16Maternal exposure to triclosan constitutes a yet unrecognized risk factor for autism spectrum disorders显示文摘Dear Editor,Autism spectrum disorders(ASD)are complex neurodevelopmental disorders characteristic of core behavioral traits like restricted,repetitive behaviors and deficiency in social interactions.1 The prevalence of ASD has rapidly increased worldwide,rising from 1/149 in 2000,1/68 in 2012,and to?1/40 in 2016 of children at the age of 3-17 in the United States.2 ASD prevalence was found to be associated with socioeconomic status(SES)as overpresented in high-income households,3 and to be significantly enriched in certain regions,e.g.,reaching up to 4.88%in Florida.2 In the last decades,advances in genetic studies have led to unprecedented understanding of the genetic factors that were associated with<50%of human ASD.Zijian Hao Qionghui Wu Zhengwei Li Yali Li Qiu Li Xi Lai Huan Liu Menghuan Zhang Ting Yang Jie Chen Yaping Tang Jingkun Miao Huatai Xu Tingyu Li Ronggui Hu 2019Cell Research2019,29,10:5
17Cells in G_2/M phase increased in human nasopharyngeal carcinoma cell line by EBV-LMP1 through activation of NF-кB and AP-1显示文摘Although previous studies showed that the principal oncoprotein encoded by Epstein-Barr virus, latent membrane protein 1 (LMP1), could induce the nasopharyngeal carcinoma cells in G2/M phase increased, littleis known about the target molecules and mechanisms. The present study demonstrated that LMP1 couldinduce the accumulation of p53 protein and upregulate its transactivity in a dose dependent manner, whichresulted in the decrease of the kinase activity of cdc2/cyclin B complex and inducing arrest at G2/M phasethrough the activation of NF-kB and AP-1 signaling pathways, and the effect of NF-kB was more obviousthan that of AP-1. This study provided some significant evidence for further elucidating the molecular mechanisms that LMP1 had effects on the surveillance mechanism of cell cycle and promoting the survivalof transformed cells and tumorigenesis.LIN DENG,JING YANG,XIAO RONG ZHAO,XI YUN DENG,LIANG ZENG,HUAN HUA GU,MIN TANG,YA CAOCancer Research Institute,Xiangya School of Medicine,Central South University,Xiangya Road 88,Chang-sha,Hunan 410078,China 2003Cell Research2003,13,3:5
18Mechanism of Burn Resistance of Alloy Ti40显示文摘The Ti fire found in high performance engines promotes the development of burn resistant Ti alloys. The burn resistant mechanism of Ti40 alloy is investigated. Ti40 alloy reveals good burn resistance. Its intedecial products between burning products and the matrix are tenacious, which retard the diffusion of oxygen into the matrix. Two burn resistant mechanisms, that is, fast scatter dispersion of heat and suppression of oxygen diffusion, are proposed.Yongqing ZHAO, Lian ZHOU,Kanging ZHU,Henglei QU and Huan WU Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China 2001Journal of Materials Science & Technology2001,17,6:5
19Downregulation of mi R ‐101 in gastric cancer correlates with cyclooxygenase‐2 overexpression and tumor growth显示文摘Xiao‐Pu He Yun Shao Xiao‐Lin Li Wei Xu Guo‐Sheng Chen Huan‐Huan Sun Hai‐Chen Xu Xian Xu Dan Tang Xi‐Feng Zheng Yi‐Ping Xue Guo‐Chang Huang Wei‐Hao Sun 2012FEBS J2012,,22:4
20Clinical application of a novel sliver nanoparticles biosensor based on localized surface plasmon resonance for detecting the microalbuminuria显示文摘以便基于局部性的表面电浆子回声(LSPR ) 探索 nanobiosensor 的临床的申请,我们使用了我们的 LSPR 生物传感器在这个工作检测 microalbuminuria。裂片 nanoparticles 被使用 nanosphere 平版印刷术制作。反人的白朊抗体被联合方法的胺在传感器表面上使不能调动。在从三个温和 preeclampsia 病人的尿样品的商业白朊和白朊的不同集中根据 LSPR 扑灭系列的山峰被决定。在最佳条件下面,我们的结果证明生物传感器显示了 1 ng/ml 的察觉限制和 1 ng/ml 的宽动态范围到 1 g/ml。而且,三个病人的 microalbuminuria 被我们的生物传感器在一短试金时间以内决定,没有样品纯化。此处建议的这个生物传感器是容易的准备并且能被用于便宜、快速、没有标签、敏感 microalbuminuria 屏蔽。这条途径为开发临床的诊断应用程序提供一个有希望的平台。Ting Lai Qiannan Hou Huan Yang Xiangang Luo Mingrong Xi 2010Acta Biochimica et Biophysica Sinica2010,42,11:4
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