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12018 Chinese Pediatric Cardiology Society(CPCS) guideline for diagnosis and treatment of syncope in children and adolescents显示文摘Syncope belongs to the transient loss of consciousness(TLOC), characterized by a rapid onset, short duration, and spontaneous complete recovery. It is common in children and adolescents, accounting for 1% to 2% of emergency department visits.Recurrent syncope can seriously affect children's physical and mental health, learning ability and quality of life and sometimes cardiac syncope even poses a risk of sudden death. The present guideline for the diagnosis and treatment of syncope in children and adolescents was developed for guiding a better clinical management of pediatric syncope. Based on the globally recent development and the evidence-based data in China, 2018 Chinese Pediatric Cardiology Society(CPCS) guideline for diagnosis and treatment of syncope in children and adolescents was jointly prepared by the Pediatric Cardiology Society, Chinese Pediatric Society, Chinese Medical Association(CMA)/Committee on Pediatric Syncope, Pediatricians Branch, Chinese Medical Doctor Association(CMDA)/Committee on Pediatric Cardiology, Chinese College of Cardiovascular Physicians, Chinese Medical Doctor Association(CMDA)/Pediatric Cardiology Society, Beijing Pediatric Society, Beijing Medical Association(BMA). The present guideline includes the underlying diseases of syncope in children and adolescents, the diagnostic procedures, methodology and clinical significance of standing test and headup tilt test, the clinical diagnosis vasovagal syncope, postural orthostatic tachycardia syndrome, orthostatic hypotension and orthostatic hypertension, and the treatment of syncope as well as follow-up.Cheng Wang Yaqi Li Ying Liao Hong Tian Min Huang Xiangyu Dong Lin Shi Jinghui Sun Hongfang Jin Junbao Du Jindou An Jie Chen Mingwu Chen Qi Chen Sun Chen Yonghong Chen Zhi Chen Adolphus Kai-tung Chau Junbao Du Zhongdong Du Junkai Duan Hongyu Duan Xiangyu Dong Lin Feng Lijun Fu Fangqi Gong Yonghao Gui Ling Han Zhenhui Han Bing He Zhixu He Xiufen Hu Yimin Hua Guoying Huang Min Huang Ping Huang Yujuan Huang Hongfang Jin Mei Jin Bo Li Fen Li Tao Li Xiaohui Li Xiaoyan Liu Yan Li Haitao Lv Tiewei Lv Zipu Li Luyi Ma Silin Pan Yusheng Pang Hua Peng Yuming Qin Jie Shen Lin Shi Kun Sun Jinghui Sun Hong Tian Jie Tian Cheng Wang Hong Wang Lei Wang Jinju Wang Wendi Wang Yuli Wang Rongzhou Wu Tianhe Xia Yanyan Xiao Chunhong Xie Yanlin Xing Zhenyu Xiong Baoyuan Xu Yi Xu Hui Yan Shiwei Yang Qijian Yi Xia Yu Xianyi Yu Yue Yuan Hongyan Zhang Huili Zhang Li Zhang Qingyou Zhang Xi Zhang Yanmin Zhang Zhiwei Zhang Cuifen Zhao Bin Zhou Hua Zhu 2018Science Bulletin2018,63,23:54
2Recombinant protein subunit vaccine booster following two-dose inactivated vaccines dramatically enhanced anti-RBD responses and neutralizing titers against SARS-CoV-2 and Variants of Concern显示文摘Dear Editor,As of October,2021,SARS-CoV-2 has infected more than 230 million people;promoting roll-out vaccinations could help build herd immunity for the pandemic.However,the waning of antibody in magnitude and decreased protective efficacy in multiple types of vaccines have been reported.Jingwen Ai Haocheng Zhang Qiran Zhang Yi Zhang Ke Lin Zhangfan Fu Jieyu Song Yuanhan Zhao Mingxiang Fan Hongyu Wang Chao Qiu Yang Zhou Wenhong Zhang 2022Cell Research2022,32,1:19
3Experimental cancer gene therapy by multiple anti-survivin hammerhead ribozymes显示文摘为癌症改进基因治疗的功效,我们设计了指向 survivin mRNA 的暴露的区域的四撞木鲛 ribozyme 侵入人体气管粘膜的病菌(到 R4 的 R1 ) 。除了在里面 vitro 描述,由教材扩展包括了劈开的顺序特性的一颗决心,为细胞增长并且为的试金在 vivo 肿瘤,生长被用来为 ribozyme 效率得分。survivin 表示的产生抑制经由 caspase-3-dependent 小径导致了有丝分裂的大祸和房间死亡。重要地, ribozyme 侵入人体气管粘膜的病菌的管理在一个 hepato 细胞的癌异种皮移植老鼠模型禁止了肿瘤生长。R1, R3 和 R4 ribozymes 的合作表示 synergistically 压制了 survivin 并且当这联合指向 survivin 抄本的所有主要形式,生产了大多数有势力反癌症效果。带在这份报告描述的多重撞木鲛 ribozymes 的侵入人体气管粘膜的病菌对癌症提供了柔韧的基因治疗策略。Qi Fei Hongyu Zhang Lili Fu Xinlan Dai Baomei Gao Min Ni Chao Ge Jinjun Li Xia Ding Yuwen Ke Xuebiao Yao Jingde Zhu 2008Acta Biochimica et Biophysica Sinica2008,40,6:10
4Olivine-norite rock detected by the lunar rover Yutu-2 likely crystallized from the SPA-impact melt pool显示文摘Chang’E-4 landed in the South Pole-Aitken(SPA)basin,providing a unique chance to probe the composition of the lunar interior.Its landing site is located on ejecta strips in Von Karm´an crater that´possibly originate from the neighboring Finsen crater.A surface rock and the lunar regolith at 10 sites along the rover Yutu-2 track were measured by the onboard Visible and Near-Infrared Imaging Spectrometer in the first three lunar days of mission operations.In situ spectra of the regolith have peak band positions at 1 and 2μm,similar to the spectral data of Finsen ejecta from the Moon Mineralogy Mapper,which confirms that the regolith’s composition of the landing area is mostly similar to that of Finsen ejecta.The rock spectrum shows similar band peak positions,but stronger absorptions,suggesting relatively fresh exposure.The rock may consist of 38.1±5.4%low-Ca pyroxene,13.9±5.1%olivine and 48.0±3.1%plagioclase,referred to as olivine-norite.The plagioclase-abundant and olivine-poor modal composition of the rock is inconsistent with the origin of the mantle,but representative of the lunar lower crust.Alternatively,the rock crystallized from the impact-derived melt pool formed by the SPA-impact event via mixing the lunar crust and mantle materials.This scenario is consistent with fast-cooling thermal conditions of a shallow melt pool,indicated by the fine to medium-sized texture(<3 mm)of the rock and the SPA-impact melting model[Icarus 2012;220:730–43].Honglei Lin Zhiping He Wei Yang Yangting Lin Rui Xu Chi Zhang Meng-Hua Zhu Rui Chang Jinhai Zhang Chunlai Li Hongyu Lin Yang Liu Sheng Gou Yong Wei Sen Hu Changbin Xue Jianfeng Yang Jie Zhong Xiaohui Fu Weixing Wan Yongliao Zou 2020National Science Review2020,7,5:9
5Effect of Salinity on Hemolymph Osmotic Pressure,Sodium Concentration and Na^+-K^+-ATPase Activity of Gill of Chinese Crab,Eriocheir sinensis显示文摘The effects of salinity on hemolymph osmotic pressure, Na+ concentration and Na+-K+-ATPase activity of gill of Chinese crab Eriocheir sinensis were studied. The results showed that hemolymph osmotic pressure and Na+ concentration increased signifi- cantly (P<0.05), and the Na+-K+-ATPase activity of gills decreased significantly (P<0.05) when salinity increased from 0 to 16. The hemolymph osmotic pressure and Na+ concentration in each treatment group rose remarkably at 0.125 d or 0.25 d, while the Na+-K+-ATPase activity of gill reduced gradually with increased experiment time in 3 d. Then the three parameters remained at a constant level after 0.25 d, 0.125 d and 3 d, respectively, and higher hemolymph osmotic pressure, higher Na+ concentration and lower Na+-K+-ATPase activity of gill occurred at higher salinity. The effect of salinity change on protein concentration of hemolymph was indistinct (P>0.05); However, the protein concentration decreased gradually with the increase of salinity from 0.25 d to 1 d, and then tended to be stable from day 1 to day 15.LIU Hongyu PAN Luqing LU Fu 2008Journal of Ocean University of China2008,7,1:6
6Integrated genomic analysis identifies deregulated JAK/STAT-MYC-biosynthesis axis in aggressive NK-cell leukemia显示文摘好攻击的 NK 房间白血病(ANKL ) 是在从亚洲的人之中是更流行的 NK 房间瘤的一种稀罕形式并且中央并且南美洲。病人们通常在天以内死到月,甚至在收到迅速的治疗学的管理以后。这里,我们由集成整个染色体执行了 ANKL 的第一全面研究, transcriptome 并且定序指向,象功能的试金一样的 cytokine 数组。在 JAK-STAT 小径的变化在 48% 被识别(14/29 ) ANKL 病人,当细胞外的 STAT3 激发器 IL10 被 56 褶层的一般水准提高时(P < 0.0001 ) 在检查的所有病人的血浆。另外的经常变异的基因包括的 TP53 (34%) , TET2 (28%) , CREBBP (21%) 和 MLL2 (21%) 。耐心的 NK 白血病房间在多重新陈代谢的小径显示出 STAT3 phosphorylation, MYC 表示和 transcriptional 活动的突出的激活。机能上地, STAT3 激活和 MYC 表示为 ANKL 房间的增长和幸存是批评的。发信号的 STAT 调整了发信号的 MYC 抄写节目,和两 STAT, MYC 抄写被要求维持核苷酸合成和 glycolysis 的激活。一起, JAK-STAT 小径在 ANKL 为 genomic 改变和 IL10 刺激代表一个主要目标。这最新发现的 JAK/STAT-MYC-biosynthesis 轴可以在对待白血病的这种子类型为新奇治疗学的策略的发展提供机会。Liang Huang Dan Liu Na Wang Shaoping Ling Yuting Tang Jun Wu Lingtong Hao Hui Luo Xuelian Hu Lingshuang Sheng Lijun Zhu Di Wang Yi Luo Zhen Shang Min Xiao Xia Mao Kuangguo Zhou Lihua Cao Lili Dong Xinchang Zheng Pinpin Sui Jianlin He Shanlan Mo Jin Yan Qilin Ao Lugui Qiu Hongsheng Zhou Qifa Liu Hongyu Zhang Jianyong Li Jie Jin Li Fu Weili Zhao Jieping Chen Xin Du Guoliang Qing Hudan Liu Xin Liu Gang Huang Ding Ma Jianfeng Zhou Qian-fei Wang 2018Cell Research2018,28,2:5
7Application of regional citrate anticoagulation in patients at high risk of bleeding during intermittent hemodialysis:a prospective multicenter randomized controlled trial显示文摘Objective:Safe and effective anticoagulation is essential for hemodialysis patients who are at high risk of bleeding.The purpose of this trial is to evaluate the effectiveness and safety of two-stage regional citrate anticoagulation(RCA)combined with sequential anticoagulation and standard calcium-containing dialysate in intermittent hemodialysis(IHD)treatment.Methods:Patients at high risk of bleeding who underwent IHD from September 2019 to May 2021 were prospectively enrolled in 13 blood purification centers of nephrology departments,and were randomly divided into RCA group and saline flushing group.In the RCA group,0.04 g/mL sodium citrate was infused from the start of the dialysis line during blood draining and at the venous expansion chamber.The sodium citrate was stopped after 3 h of dialysis,which was changed to sequential dialysis without anticoagulant.The hazard ratios for coagulation were according to baseline.Results:A total of 159 patients and 208 sessions were enrolled,including RCA group(80 patients,110 sessions)and saline flushing group(79 patients,98 sessions).The incidence of severe coagulation events of extracorporeal circulation in the RCA group was significantly lower than that in the saline flushing group(3.64%vs.20.41%,P<0.001).The survival time of the filter pipeline in the RCA group was significantly longer than that in the saline flushing group((238.34±9.33)min vs.(221.73±34.10)min,P<0.001).The urea clearance index(Kt/V)in the RCA group was similar to that in the saline flushing group with no statistically significant difference(1.12±0.34 vs.1.08±0.34,P=0.41).Conclusions:Compared with saline flushing,the two-stage RCA combined with a sequential anticoagulation strategy significantly reduced extracorporeal circulation clotting events and prolonged the dialysis time without serious adverse events.Xiaoyan TANG Dezheng CHEN Ling ZHANG Ping FU Yanxia CHEN Zhou XIAO Xiangcheng XIAO Weisheng PENG Li CHENG Yanmin ZHANG Hongbo LI Kehui LI Bizhen GOU Xin WU Qian YU Lijun JIAN Zaizhi ZHU Yu WEN Cheng LIU Hen XUE Hongyu ZHANG Xin HE Bin YAN Liping ZHONG Bin HUANG Mingying MAO 2022Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)2022,23,11:4
8HDAC inhibitors improve CRISPR-mediated HDR editing efficiency in iPSCs显示文摘Genome-edited human induced pluripotent stem cells(iPSCs)hold great promise for therapeutic applications.However,low editing efficiency has hampered the applications of CRISPR-Cas9 technology in creating knockout and homology-directed repair(HDR)-edited iPSC lines,particularly for silent genes.This is partially due to chromatin compaction,inevitably limiting Cas9 access to the target DNA.Among the six HDAC inhibitors we examined,vorinostat,or suberoylanilide hydroxamic acid(SAHA),led to the highest HDR efficiency at both open and closed loci,with acceptable toxicity.HDAC inhibitors equally increased non-homologous end joining(NHEJ)editing efficiencies(~50%)at both open and closed loci,due to the considerable HDAC inhibitor-mediated increase in Cas9 and sgRNA expression.However,we observed more substantial HDR efficiency improvement at closed loci relative to open chromatin(2.8 vs.1.7-fold change).These studies provide a new strategy for HDRediting of silent genes in iPSCs.Jian-Ping Zhang Zhi-Xue Yang Feng Zhang Ya-Wen Fu Xin-Yue Dai Wei Wen Beldon Zhang Hannah Choi Wanqiu Chen Meredith Brown David Baylink Lei Zhang Hongyu Qiu Charles Wang Tao Cheng Xiao-Bing Zhang 2021Science China(Life Sciences)2021,64,9:3
9Progress on CASEarth Satellite Development显示文摘CASEarth satellite is the first space Earth science satellite produced by the Chinese Academy of Sciences.The satellite has three payloads:high-definition Thermal Infrared Spectrometer(TIS),highdefinition Glimmer Imager for Urbanization(GIU),and high-definition Multispectral Imager for Inshore(MII).These payloads are used to explore the urbanization level and residential layout,the coastal ecosystem,and new methods and approaches of environmental detection during night-time and even under conditions of polar aurora and provide scientific evidence for the refined depiction of human traces.The CASEarth satellite can provide space observation data for A Project on Big Earth Data Science Engineering as well as scientific and application studies inside and outside China.GUO Huadong CHEN Hongyu CHEN Liangfu FU Bihong 2020空间科学学报2020,40,5:3
10Quasi-two-dimensionalβ-Ga2O3 field effect transistors with large drain current density and low contact resistance via controlled formation of interfacial oxygen vacancies显示文摘Quasi-two-dimensi on al(2D)β-Ga2O3 is a rediscovered metal-oxide semiconductor with an ultra-wide bandgap of 4.6-4.9eV.It has been reported to be a promising material for next-generation power and radio frequency electronics.Field effect transistors(FETs)that can switch at high voltage are key compone nts in power and radio frequency devices,and reliable Ohmic con tacts are essential for high FET performance.However,obtaining low contact resistance onβ-Ga2O3 FETs is difficult since reactions betweenβ-Ga2O3 and metal contacts are not fully understood.Herein,we experimentally demonstrate the importanee of reactions at the metal/β-Ga2O3 interface and the corresponding effects of these reactions on FET performance.When Ti is employed as the metal contact,annealing ofβ-Ga2O3 FETs in argon can effectively transform Schottky contacts into Ohmic contacts and permit a large drain current density of-3.1 mA//μm.The contact resistance(Rcontact)between the Ti electrodes andβ-Ga2O3 decreased from^430 to^0.387Ω·mm after annealing.X-ray photoelectron spectroscopy(XPS)confirmed the formation of oxygen vacancies at the Ti/β-Ga2O3 interface after annealing,which is believed to cause the improved FET performance.The results of this study pave the way for greater application ofβ-Ga2O3 in electronics.Zhen Li Yihang Liu Anyi Zhang Qingzhou Liu Chenfei Shen Fanqi Wu Chi Xu Mingrui Chen Hongyu Fu Chongwu Zhou 2019Nano Research2019,12,1:2
11Dual-Branch-UNet: A Dual-Branch Convolutional Neural Network for Medical Image Segmentation显示文摘In intelligent perception and diagnosis of medical equipment,the visual and morphological changes in retinal vessels are closely related to the severity of cardiovascular diseases(e.g.,diabetes and hypertension).Intelligent auxiliary diagnosis of these diseases depends on the accuracy of the retinal vascular segmentation results.To address this challenge,we design a Dual-Branch-UNet framework,which comprises a Dual-Branch encoder structure for feature extraction based on the traditional U-Net model for medical image segmentation.To be more explicit,we utilize a novel parallel encoder made up of various convolutional modules to enhance the encoder portion of the original U-Net.Then,image features are combined at each layer to produce richer semantic data and the model’s capacity is adjusted to various input images.Meanwhile,in the lower sampling section,we give up pooling and conduct the lower sampling by convolution operation to control step size for information fusion.We also employ an attentionmodule in the decoder stage to filter the image noises so as to lessen the response of irrelevant features.Experiments are verified and compared on the DRIVE and ARIA datasets for retinal vessels segmentation.The proposed Dual-Branch-UNet has proved to be superior to other five typical state-of-the-art methods.Muwei Jian Ronghua Wu Hongyu Chen Lanqi Fu Chengdong Yang 2023Computer Modeling in Engineering & Sciences2023,,10:2
12Hydrogen- bonding-directed layer by-layer assembly of clendrimer and poly(4-vinylpyridine) and micropore formation by post-base treatment 显示文摘Zhang Hongyu Fu Yu Wang Dong 2003Langmuir2003,19,20:1
13Demand for Urban Quality of Living in China: Evolution in Compensating Land-Rent and Wage-Rate Differentials显示文摘Siqi Zheng Yuming Fu Hongyu Liu 2009The Journal of Real Estate Finance and Economics2009,,3:1
14Biological Permeability Enhancement Technology for Coal Reservoir显示文摘Objective Despite the adoption of various permeability enhancement technologies,the low permeability of coal reservoir has not been fundamentally improved for the development of coalbed methane(CBM)on the ground or the control of gas underground.NewGUO Hongyu LIU Xile XIA Daping BAI Yang FU Chaoyong 2017Acta Geologica Sinica(English Edition)2017,91,5:1
15Chromosome-level genome assemblies of five Prunus species and genome-wide association studies for key agronomic traits in peach显示文摘Prunus species include many important perennial fruit crops,such as peach,plum,apricot,and related wild species.Here,we report de novo genome assemblies for five species,including the cultivated species peach(Prunus persica),plum(Prunus salicina),and apricot(Prunus armeniaca),and the wild peach species Tibetan peach(Prunus mira)and Chinese wild peach(Prunus davidiana).The genomes ranged from 240 to 276 Mb in size,with contig N50 values of 2.27−8.30Mb and 25,333−27,826 protein-coding gene models.As the phylogenetic tree shows,plum diverged from its common ancestor with peach,wild peach species,and apricot~7 million years ago(MYA).We analyzed whole-genome resequencing data of 417 peach accessions,called 3,749,618 high-quality SNPs,577,154 small indels,31,800 deletions,duplications,and inversions,and 32,338 insertions,and performed a structural variant-based genome-wide association study(GWAS)of key agricultural traits.From our GWAS data,we identified a locus associated with a fruit shape corresponding to the OVATE transcription factor,where a large inversion event correlates with higher OVATE expression in flat-shaped accessions.Furthermore,a GWAS revealed a NAC transcription factor associated with fruit developmental timing that is linked to a tandem repeat variant and elevated NAC expression in early-ripening accessions.We also identified a locus encoding microRNA172d,where insertion of a transposable element into its promoter was found in double-flower accessions.Thus,our efforts have suggested roles for OVATE,a NAC transcription factor,and microRNA172d in fruit shape,fruit development period,and floral morphology,respectively,that can be connected to traits in other crops,thereby demonstrating the importance of parallel evolution in the diversification of several commercially important domesticated species.In general,these genomic resources will facilitate functional genomics,evolutionary research,and agronomic improvement of these five and other Prunus species.We believe that structural variant-based GWASs can also be used in other plants,animal species,and humans and be combined with deep sequencing GWASs to precisely identify candidate genes and genetic architecture components.Qiuping Tan Sen Li Yuzheng Zhang Min Chen Binbin Wen Shan Jiang Xiude Chen Xiling Fu Dongmei Li Hongyu Wu Yong Wang Wei Xiao Ling Li 2021Horticulture Research2021,8,1:1
16Epidemiology and clinical characteristics of burns in China's Mainland from 2009 to 2018显示文摘Background:Burn injuries place a heavy burden on the global healthcare system.However,there is still a lack of nationwide studies on the epidemiological characteristics of burn patients in China's Mainland.The present study aims to accurately analyze the clinical characteristics of burn patients by collecting data in China's Mainland from 2009 to 2018,which will provide effective strategies for healthcare systems and the government in China's Mainland.Methods:Patients admitted for burn injuries to 196 hospitals in 31 provinces,autonomous regions and municipalities in China's Mainland from 2009 to 2018 were included.The data collected included sex,age,month distribution,etiology,region,clinical outcome,injury anatomical location,total burn surface area and mortality.SPSS 19.0 software was used to analyze the data.Results:From 2009 to 2018,the burn patients were 333,995(0.76%),which included 222,480(66.61%)males and 111,515(33.39%)females.From 2009 to 2018,the number of individuals admit-ted to hospitals for burns showed a downward trend year by year.The burn patients accounted for the highest proportion of inpatients in 0-10 years(38.10%),followed by 40-50 years(13.14%).The highest cure ratio of burn inpatients was in the 20-30 age group(31394,71.53%).Among 31 provinces,autonomous regions and municipalities,the province with the highest proportion of total inpatients caused by burns was Inner Mongolia(4.61%),followed by Zhejiang(3.17%),Hainan(2.88%)and Xinjiang(2.64%).Summer(29.16%)was the season with the highest incidence of burn patients admitted to hospitals,followed by spring(25.6%).Scalding(60.19%)was the most frequent kind of burn treated,followed by fire(20.45%).The patients had multiple burn sites(68.89%)most often,followed by burns on the lower limbs(10.91%).From 0%to 10%total body surface area(TBSA)accounted for the highest ratio(37.19%),followed by 90-100%TBSA(21.74%).Conclusions:The present study is the first to describe the associated situation and trends of burn patients in China's Mainland from 2009 to 2018.Our findings will serve as the latest clinical evidence for healthcare planning and prevention efforts in China and other countries.Jie Yang Guanglei Tian Jianchao Liu Huajuan Bai Shuxu Yang Mingzi Ran Hongyu Li Kui Ma Siming Yang Xiaobing Fu 2022Burns & Trauma2022,10,1:1
17Regulation of Thermogenesis in Plants:The Interaction of Alternative Oxidase and Plant Uncoupling Mitochondrial Protein显示文摘Thermogenesis is a process of heat production in living organisms.It is rare in plants,but it does occur in some species of angiosperm.The heat is generated via plant mitochondrial respiration.As possible involvement in thermogenesis of mitochondrial factors,alternative ox-idases(AOXs) and plant uncoupling mitochondrial proteins(PUMPs) have been well studied.AOXs and PUMPs are ubiquitously present in the inner membrane of plant mitochondria.They serve as two major energy dissipation systems that balance mitochondrial respiration and uncoupled phosphorylation by dissipating the H+ redox energy and proton electrochemical gradient(μH+) as heat,respectively.AOXs and PUMPs exert similar physiological functions during homeothermic heat production in thermogenic plants.AOXs have five isoforms,while PUMPs have six.Both AOXs and PUMPs are encoded by small nuclear multigene families.Multiple isoforms are expressed in different tissues or organs.Extensive studies have been done in the area of thermogenesis in higher plants.In this review,we focus on the involvement and regulation of AOXs and PUMPs in thermogenesis.Yan Zhu Jianfei Lu Jing Wang Fu Chen Feifan Leng Hongyu Li 2011Journal of Integrative Plant Biology2011,53,1:1
18Demand for Urban Quality of Living in China: Evolution in Compensating Land-Rent and Wage-Rate Differentials显示文摘Siqi Zheng Yuming Fu Hongyu Liu 2009The Journal of Real Estate Finance and Economics2009,,3:1
19Alterations and Its Mechanisms of Wnt Signal Pathway in Human High-matastatatic Large Cell Lung Cancer Cell Line L9981 by Transfecting with Nm23-H1 Gene显示文摘Backgroud and Objective Tumor metastasis is not only the malignant marker and characteristics of lung cancer, but also the main cause of failure to cure and lose their life of theJunke FU Zhe WANG Sen WEI Gang CHEN Zhigang LI Jun CHEN Hongyu LIU Zhihao WU Ke XU Qinghua ZHOU 2009中国肺癌杂志2009,12,6:1
20Modeling colorectal tumorigenesis using the organoids derived from conditionally immortalized mouse intestinal crypt cells (ciMICs)显示文摘Intestinal cancers are developed from intestinal epithelial stem cells(ISCs)in intestinal crypts through a multi-step process involved in genetic mutations of oncogenes and tumor suppressor genes.ISCs play a key role in maintaining the homeostasis of gut epithelium.In 2009,Sato et al established a three-dimensional culture system,which mimicked the niche microenvironment by employing the niche factors,and successfully grew crypt ISCs into organoids or Mini-guts in vitro.Since then,the intestinal organoid technology has been used to delineate cellular signaling in ISC biology.However,the cultured organoids consist of heterogeneous cell populations,and it was technically challenging to introduce genomic changes into three-dimensional organoids.Thus,there was a technical necessity to develop a twodimensional ISC culture system for effective genomic manipulations.In this study,we established a conditionally immortalized mouse intestinal crypt(ciMIC)cell line by using a piggyBac transposon-based SV40 T antigen expression system.We showed that the ciMICs maintained long-term proliferative activity under two-dimensional niche factor-containing culture condition,retained the biological characteristics of intestinal epithelial stem cells,and could form intestinal organoids in three-dimensional culture.While in vivo cell implantation tests indicated that the ciMICs were non-tumorigenic,the ciMICs overexpressing oncogenic b-catenin and/or KRAS exhibited high proliferative activity and developed intestinal adenoma-like pathological features in vivo.Collectively,these findings strongly suggested that the engineered ciMICs should be used as a valuable tool cell line to dissect the genetic and/or epigenetic underpinnings of intestinal tumorigenesis.Xiaoxing Wu Zhaoxia Li Hongyu Zhang Fang He Min Qiao Huaxiu Luo Jing Zhang Meng Zhang Yukun Mao William Wagstaff Yongtao Zhang Changchun Niu Xia Zhao Hao Wang Linjuan Huang Deyao Shi Qing Liu Na Ni Kai Fu Rex C.Haydon Russell R.Reid Hue H.Luu Tong-Chuan He Ziwei Wang Houjie Liang Bing-Qiang Zhang Ning Wang 2021Genes & Diseases2021,8,6:1
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