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| 1 | Overexpression of Dlx2 enhances osteogenic differentiation of BMSCs and MC3T3-E1 cells via direct upregulation of Osteocalcin and Alp显示文摘Genetic studies have revealed a critical role of Distal-homeobox (Dlx) genes in bone formation,and our previous study showed that Dlx2 overexpressing in neural crest cells leads to profound abnormalities of the craniofacial tissues.The aim of this study was to investigate the role and the underlying molecular mechanisms of Dlx2 in osteogenic differentiation of mouse bone marrow stromal cells (BMSCs) and pre-osteoblast MC3T3-E1 cells.Initially,we observed upregulation of Dlx2 during the early osteogenesis in BMSCs and MC3T3-E1 cells.Moreover,Dlx2 overexpression enhanced alkaline phosphatase (ALP) activity and extracellular matrix mineralization in BMSCs and MC3T3-E1 cell line.In addition,micro-CT of implanted tissues in nude mice confirmed that Dlx2 overexpression in BMSCs promoted bone formation in vivo.Unexpectedly,Dlx2 overexpression had little impact on the expression level of the pivotal osteogenic transcription factors Runx2,Dlx5,Msx2,and Osterix,but led to upregulation of Alp and Osteocalcin (OCN),both of which play critical roles in promoting osteoblast maturation.Importantly,luciferase analysis showed that Dlx2 overexpression stimulated both OCN and Alp promoter activity.Through chromatin-immunoprecipitation assay and site-directed mutagenesis analysis,we provide molecular evidence that Dlx2 transactivates OCN and Alp expression by directly binding to the Dlx2-response cis-acting elements in the promoter of the two genes.Based on these findings,we demonstrate that Dlx2 overexpression enhances osteogenic differentiation in vitro and accelerates bone formation in vivo via direct upregulation of the OCN and Alp gene,suggesting that Dlx2 plays a crucial role in osteogenic differentiation and bone formation. | Jianfei Zhang Wenbin Zhang Jiewen Dai Xudong Wang Steve Guofang Shen | 2019 | International Journal of Oral Science2019，11，2： | 19 |
| 2 | Factors Associated with Thrombolysis Outcome in Ischemic Stroke Patients with Atrial Fibrillation显示文摘The outcome of early intravenous thrombolysis for ischemic stroke in patients with atrial fibrillation(AF)is worse than that without thrombosis. How to increase the efficacy of intravenous thrombolysis for AF-related ischemic stroke remains largely unknown. In this study, we investigated factors that influence the effect of intravenous thrombolysis in these patients. Our results showed that thrombolysis was independently associated with a favorable outcome(P \ 0.001) and did not influence the mortality of AF-related ischemic stroke, although it increased the risk of hemorrhage within 24 h after treatment. Risk factors for a poor outcome at admission were:heart failure(P = 0.045); high systolic pressure(P = 0.039); high blood glucose(P = 0.030); and a high National Institutes of Health Stroke Scale(NIHSS) score(P \ 0.001). Moreover, high systolic pressure at admission(P = 0.007), high blood glucose(P = 0.027), and a high NIHSS score(P \ 0.001) were independent risk factors for mortality at 3 months. Besides thrombolysis, a high NIHSS score(P = 0.006) and warfarin taken within 48 h before stroke onset(P = 0.032) were also independent risk factors for symptomatic hemorrhage within 24 h after treatment. Ischemic stroke patients with AF benefited from intravenous thrombolysis with recombinant tissue plasminogen activator within 4.5 h after stroke. | Qiuyun Zhao Xiaobo Li Wanli Dong Min Ye Yongjun Cao Meijuan Zhang Qiantao Cheng Junshan Zhou Guofang Chen Ming Yu Shanshan Hong Xiue Wei Bei Wang Guiyun Cui Peng Zhang Hong Ding Rongzhen Xu Yan Chen Yun Xu | 2016 | Neuroscience Bulletin2016，32，2： | 13 |
| 3 | Simultaneous Screening of 733 Pesticide Residues in Fruits and Vegetables by a GC/LC-Q-TOFMS Combination Technique显示文摘In this paper,we report the construction of two accurate mass databases and the development of a combination detection method that simultaneously screens for 733 pesticide and chemical contaminant multi-residues via high-throughput liquid chromatography(LC)-and gas chromatography(GC)-quadru pole-time-of-flight mass spectrometry(Q-TOFMS).This work demonstrates that electronic mass spectral standards may replace chemical-source standard materials as references through one sample preparation and the combination of GC/LC-Q-TOFMS screening.This cutting-edge technique has also replaced multiresidue determination using targeted detection with non-targeted screening.The pesticide residue types,sensitivity,recovery,and reproducibility of this combination technique are evaluated in eight fruit and vegetable matrices.This technique shows three advantages:①In comparison with the discovery capability of a single technique,the combination technique shows an improvement of 51.1%(GC-QTOFMS)and 39.6%(LC-Q-TOFMS),respectively;②the combination technique can satisfy a screening limit lower than 10μg·kg^-1 and meet the requirements of“uniform standards,”although some of the pesticide residues could be optimized to further improve screening sensitivity;③over 488 pesticides with recoveries between 60%-120%and relative standard deviation(RSD)<20%at a spiked level of 10μg·kg^-1 were detected with the combination technique in eight different matrices.From 2012 to 2017,this combination technique was applied in an investigation to screen pesticide residues from 1384 sampling locations for 38138 batched samples covering 18 categories and 134 types of fruits and vegetables obtained from across the mainland of China.After statistical analysis,533 pesticides in 115891 determinations were detected,and the regularity of pesticides in the fruits and vegetables sold on the Chinese market was shown. | Guofang Pang Qiaoying Chang Ruobin Bai Chunlin Fan Zijuan Zhang Hongyuan Yan Xingqiang Wu | 2020 | Engineering2020，6，4： | 11 |
| 4 | Blocking autocrine VEGF signaling by sunitinib, an anti-cancer drug, promotes embryonic stem cell selfrenewal and somatic cell reprogramming显示文摘 | Guofang Chen Xinxiu Xu Lihong Zhang Yanbin Fu Min Wang Haifeng Gu Xin Xie | 2014 | Cell Research2014，24，9： | 8 |
| 5 | Studies and advances on joint source-channel encoding/decoding techniques in flow media communications显示文摘Joint source-channel coding/decoding (JSCC/JSCD) techniques in flow media communications have become a state-of-the-art and one of the challenging research subjects in the spatial communication area. They have great application prospective and deep impact in various manned space flights, satellite missions, mobile radio communications and deep-space explorations. In the last few years, there have been influential achievements in JSCC/JSCD studies. This paper aims at an introduction to the basic principles of joint source-channel optimal design. A general summarization and classification for various existing JSCC/JSCD methods is addressed. Also presented is a JSCD scheme based on variable-length coding, capable of providing reliable resolutions for flow media data transmission in spatial communications. | TU GuoFang LIU JianJun ZHANG Can GAO ShaoShuai LI ShiDong | 2010 | Science China(Information Sciences)2010，53，1： | 8 |
| 6 | Single phase A2B7-type La-Mg-Ni alloy with improved electrochemical properties prepared by melt-spinning and annealing显示文摘La-Mg-Ni alloys were prepared by melt-spinning with different cooling rates and followed by annealing.Elevation of the cooling rate leads to refinement of the grains size and increasing of the abundance of LaNis.Annealing is favorable to formation of the A2 B7-type phase and promotes the discharge capacity,cycling stability and high rate discharge ability of the as-spun alloys.Phase constitution of the annealed alloys is found to be closely related to the microstructure of the as-spun alloys.A single phase A2 B7-type microstructure is obtained in the annealed alloy which is attributed to the lower abundance of the LaNis of the original alloy spun with lower cooling rate.Formation of the single phase A2 B7-type microstructure is also ascribed to the isolated and homogeneous distribution of the morphology of the as-spun alloy.The single phase alloy presents higher discharge capacity and better cycling stability compared with other annealed alloys. | Yiming Li Zhuocheng Liu Guofang Zhang Yanghuan Zhang Huiping Ren | 2019 | Journal of Rare Earths2019，37，12： | 6 |
| 7 | MiR-15a/b promote adipogenesis in porcine pre-adipocyte via repressing FoxO1显示文摘糖尿病和许多另外的新陈代谢症候群是仔细与肥胖有关。揭示胖免职的内在的机制,越来越多的研究在 adipocytes 开发期间正在集中于 miRNAs 的功能。以前的研究 haveproved 那出 miR-15a/b 戏在多重生理的过程的重要角色;然而,他们的功能在 adipogenesisremain 期间不清楚。揭示这,我们在猪的 pre-adipocyte 在 adipogenesis 期间检测了 miR-15a/b 的表示侧面,并且发现那他们层次在 adipocyte 区别的早阶段增加了并且在白天 4 .Moreover 以后落下的表示,在猪的 pre-adipocytes 的 miR-15a/b 的在表示上支持了 adipocyte 区别, miR-15a/b 的类脂化合物 accumulation.Target 基因被预言并且检验,它表明 Forkhead 盒子蛋白质 O1 ( FoxO1 )是目标 geneof miR-15a/b 。表示水平由 miR-15a/b 在表示上引起了的 FoxO1 的抑制在 adipogenesis.Thus 上有积极效果,我们断定 miR-15a/b 经由镇压在猪的 pre-adipocyte 支持 adipogenesis FoxO1。 | Peiyue Dong Yin Mai Zhenyu Zhang Lin Mi Guofang Wu Guiyan Chu Gongshe Yang Shiduo Sun | 2014 | Acta Biochimica et Biophysica Sinica2014，46，7： | 6 |
| 8 | Genome-and transcriptome-wide association studies provide insights into the genetic basis of natural variation of seed oil content in Brassica napus显示文摘Seed oil content(SOC)is a highly important and complex trait in oil crops.Here,we decipher the genetic basis of natural variation in SOC of Brassica napus by genome-and transcriptome-wide association studies using 505 inbred lines.We mapped reliable quantitative trait loci(QTLs)that control SOC in eight environments,evaluated the effect of each QTL on SOC,and analyzed selection in QTL regions during breeding.Six-hundred and ninety-two genes and four gene modules significantly associated with SOC were identified by analyzing population transcriptomes from seeds.A gene prioritization framework,POCKET(prioritizing the candidate genes by incorporating information on knowledge-based gene sets,effects of variants,genome-wide association studies,and transcriptome-wide association studies),was implemented to determine the causal genes in the QTL regions based on multi-omic datasets.A pair of homologous genes,BnPMT6s,in two QTLs were identified and experimentally demonstrated to negatively regulate SOC.This study provides rich genetic resources for improving SOC and valuable insights toward understanding the complex machinery that directs oil accumulation in the seeds of B.napus and other oil crops. | Shan Tang Hu Zhao Shaoping Lu Liangqian Yu Guofang Zhang Yuting Zhang Qing-Yong Yang Yongming Zhou Xuemin Wang Wei Ma Weibo Xie Liang Guo | 2021 | Molecular Plant2021，14，3： | 6 |
| 9 | TCP7 functions redundantly with several Class Ⅰ TCPs and regulates endoreplication in Arabidopsis显示文摘TCP(TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR) proteins, a family of plantspecific transcription factors, play important roles in many developmental processes. However, genetic and functional redundancy among class I TCP limits the analysis of their biological roles. Here, we identified a dominantnegative mutant of Arabidopsis thaliana TCP7 named leaf curling-upward(lcu), which exhibits smaller leaf cells and shorter hypocotyls than the wild type, due to defective endoreplication. A septuple loss-of-function mutant of TCP7, TCP8, TCP14, TCP15, TCP21, TCP22, and TCP23 displayed similar developmental defects to those of lcu.Genome-wide RNA-sequencing showed that lcu and the septuple mutant share many misexpressed genes.Intriguingly, TCP7 directly targets the CYCLIN D1;1 (CYCD1;1) locus and activates its transcription. We determined that the C-terminus of TCP7 accounts for its transcriptional activation activity. Furthermore, the mutant protein LCU exhibited reduced transcriptional activation activity due to the introduction of an EAR-like repressive domain at its C-terminus. Together, these observations indicate that TCP7 plays important roles during leaf and hypocotyl development, redundantly, with at least six class I TCPs, and regulates the expression of CYCD1;1 to affect endoreplication in Arabidopsis. | Guofang Zhang Hongtao Zhao Chunguang Zhang Xiaoyun Li Yuanyuan Lyu Dongmei Qi Yanwei Cui Lin Hu Zhenjie Wang Zheng Liang Sujuan Cui | 2019 | Journal of Integrative Plant Biology2019，61，11： | 5 |
| 10 | APOE and APOC1 gene polymorphisms are associated with cognitive impairment progression in Chinese patients with late-onset Alzheimer's disease显示文摘Current evidence shows that apolipoprotein E(APOE), apolipoprotein CI(APOC1) and low density lipoprotein receptor-related protein(LRP) variations are related to late-onset Alzheimer's disease. However, it remains unclear if genetic polymorphisms in these genes are associated with cognitive decline in late-onset Alzheimer's disease patients. We performed a 30-month longitudinal cohort study to investigate the relationship between Alzheimer's disease and APOE, APOC1, and LRP. In this study, 78 Chinese Han patients with late-onset Alzheimer's disease were recruited form Guangxi Zhuang Autonomous Region in China. APOE, APOC1, and LRP genotyping was performed using polymerase chain reaction-restriction fragment length polymorphisms. The Mini-Mental State Examination and Clinical Dementia Rating Scale were used to assess patients' cognitive function. After a 30-month follow-up period, we found a significant reduction in Mini-Mental State Examination total score, a higher proportion of patients fulfilling cognitive impairment progression criteria, and a higher proportion of APOC1 H2 carriers in APOE ε4 carriers compared with non-carriers. In addition, the APOE ε4 allele frequency was significantly higher in the cognitive impairment progression group compared with the non-cognitive impairment progression group. In conclusion, APOE ε4 plays an important role in augmenting cognitive decline, and APOC1 H2 may act synergistically with APOE ε4 in increasing the risk of cognitive decline in Chinese patients with late-onset Alzheimer's disease. | Qin Zhou Dantao Peng Xinrui Yuan Zeping Lv Shenghang Pang Wenyu Jiang Chuyu Yang Xiaohong Shi Guofang Pang Yige Yang Haiqun Xie Wandong Zhang Caiyou Hu Ze Yang | 2014 | Neural Regeneration Research2014，9，6： | 4 |
| 11 | Gaseous and Electrochemical Hydrogen Storage Kinetics of As-quenched Nanocrystalline and Amorphous Mg_2Ni-type Alloys显示文摘The nanocrystalline and amorphous Mg2Ni-type Mg2Ni1-xCox (x = 0, 0.1, 0.2, 0.3, 0.4) alloys were synthesized by melt quenching technology. The structures of the as-cast and quenched alloys were characterized by XRD, SEM and HRTEM. The gaseous hydrogen storage kinetics of the alloys was measured using an automatically controlled Sieverts apparatus. The alloy electrodes were charged and discharged with a constant current density in order to investigate the electrochemical hydrogen storage kinetics of the alloys. The results demonstrate that the substitution of Co for Ni results in the formation of secondary phases MgCo2 and Mg instead of altering the major phase Mg2Ni. No amorphous phase is detected in the as-quenched Cofree alloy, however, a certain amount of amorphous phase is clearly found in the as-quenched alloys substituted by Co. Furthermore, both the rapid quenching and the Co substitution significantly improve the gaseous and electrochemical hydrogen storage kinetics of the alloys, for which the notable increase of the hydrogen diffusion coefficient (D) along with the limiting current density (IL) and the obvious decline of the electrochemical impedance generated by both the Co substitution and the rapid quenching are basically responsible. | 张羊换 YANG Tai SHANG Hongwei ZHANG Guofang CAI Ying ZHAO Dongliang | 2013 | Journal of Wuhan University of Technology(Materials Science)2013，28，3： | 4 |
| 12 | Joint source-channel coded multidimensional modulation for variable-length codes显示文摘Resource-constrained networks such as deep space communications and mobile communications have the phenomena such us large-scale path loss,small-scale fading,and multipath effect,which are very hostile for information transmission.Combining Shannon’s source-channel coding theory with multidimensional modulation,an en/decoding method is proposed in this article called variable-length symbol-level joint sourcechannel and multidimensional modulation.Utilizing symbol-level source a priori information,an optimized symbol-level L-dimensional M-ary phase shift keying(LD-MPSK)constellation mapping function has been derived,which can increase free Euclidean distance between modulated symbols and enhance the decoding performance.It has been shown in the simulation results that the proposed scheme can achieve more than 2 dB signal-to-noise ratio gains compared with the conventional bit-level schemes under the condition of the same error rate. | CHENG Chen TU GuoFang ZHANG Can | 2014 | Science China(Information Sciences)2014，57，6： | 3 |
| 13 | A mathematical model for concept granular computing systems显示文摘Extent-intent and intent-extent operators are introduced between two complete lattices in this paper and a mathematical model for concept granular computing system is established. We proved that the set of all concepts in this system is a lattice with the greatest element and the least element. This framework includes formal concept lattices from formal contexts, L fuzzy concept lattices from L fuzzy formal contexts and three kinds of variable threshold concept lattices, i.e. the extension and the intension of a concept are a crisp set and a crisp set, a crisp set and a fuzzy set, a fuzzy set and a crisp set, respectively. Finally, some iterative algorithms for constructing concepts are proposed and they are proved to be optimal concepts under some conditions in this system. | QIU GuoFang MA JianMin YANG HongZhi ZHANG WenXiua | 2010 | Science China(Information Sciences)2010，53，7： | 3 |
| 14 | LncRNA NORAD promotes the progression of myocardial infarction by targeting the miR-22-3p/PTEN axis显示文摘NORAD is a newly identified long non-coding RNA(lncRNA)that plays an important role in cancers.NORAD has been found to be highly expressed in the mouse model of acute myocardial infarction(AMI).However,the role of NORAD in the regulation of AMI remains unknown.In the present study,we aimed to investigate the function of NORAD in AMI and explore the potential regulatory mechanisms.A mouse model of AMI was established and NORAD was knocked-down.The infarcted size of heart tissues and the cardiac function were evaluated.In addition,two cardiomyocyte cell lines were treated with hypoxia/re-oxygenation(H/R)to mimic AMI in vitro.Luciferase reporter assay,RNA pull-down assay,fluorescence in situ hybridization,qRT-PCR,and western blot analysis were performed.Apoptotic cells and the levels of L-lactate dehydrogenase(LDH)and malondialdehyde(MDA)were detected.Our results show that downregulation of NORAD efficiently attenuates heart damage in the AMI mouse model.NORAD interacts with miR-22-3p.Knock-down of NORAD inhibits H/R-induced cell apoptosis and reduces LDH and MDA levels,while its effects are abolished by miR-22-3p inhibitor.MiR-22-3p interacts with PTEN and inhibits its expression.Overexpression of miR-22-3p inhibits H/R-induced cell apoptosis and reduces LDH and MDA levels,while its effects are abolished by overexpression of PTEN.Finally,overexpression of NORAD inhibits the AKT/mTOR signaling pathway,and its effects are attenuated by overexpression of miR-22-3p.Taken together,our study reveals that NORAD promotes the progression of AMI by regulating the miR-22-3p/PTEN axis,and the AKT/mTOR signaling may also be involved in the regulatory processes. | Chunxia Li Lihui Zhang Xingpeng Bu Guofang Chu Xiaofang Zhao Yaru Liu | 2022 | Acta Biochimica et Biophysica Sinica2022，54，4： | 3 |
| 15 | Construction of TiO_(2)-covalent organic framework Z-Scheme hybrid through coordination bond for photocatalytic CO_(2) conversion显示文摘In this work,a covalent organic framework(COF),which is constructed by the building blocks of[5,10,15,20-tetrakis(4-aminophenyl)porphinato]copper(Ⅱ)(CuTAPP)and p-benzaldehyde,is employed to integrate with TiO_(2) for the purpose of establishing a Z-scheme hybrid.Within the system,isonicotinic acid performs the role of a bridge that connects the two components through a coordination bond.Further photocatalytic application reveals the hybrid framework is able to catalyze CO_(2) conversion under simulated solar light,resulting in CO production rate of 50.5 μmol g^(-1)·h^(-1),about 9.9 and 24.5 times that of COF and pristine TiO_(2),respectively.The ameliorated catalytic performance owes much to the por-phyrin block acting as photosensitizer that augments the light absorbance,and the establishment of Z-scheme system between the inorganic and orga nic comp on ents that enhances the separati on of the carriers.In addition,the chemical bridge also ensures a steady usage and stable charge delivery in the catalysis.Our study sheds light on the development of versatile approaches to covalently in corporate COFs with inorga nic semic on ductors. | Lei Wang Guofang Huang Liang Zhang Rui Lian Jingwei Huang Houde She Chunli Liu Qizhao Wang | 2022 | Journal of Energy Chemistry2022，31，1： | 3 |
| 16 | The design and construction of a pulsed beam generation system based on high intensity cyclotron显示文摘In order to perform the studies on a pulsed beam generation system based on a high intensity cyclotron, a test beam line with a pulsed beam generation for a 10 MeV compact cyclotron (CYCIAE-10) has been designed and constructed at China Institute of Atomic Energy (CIAE). A 70 MHz continuous H- beam can be pulsed to the pulse length of less than 10 ns with a repetition rate of 4.4 MHz. The sine waveform with a frequency of 2.2 MHz is adopted for the chopper and a mesh structure with single drift and dual gaps is used for the 70 MHz buncher. A helical resonator is designed and constructed based on simulations and experiments on the RF matching for the chopper. A helical inductance loop that is exceptionally large of its kind and equipped with water cooling for the resonator has been successfully wound and a 500 W solid RF amplifier has been manufactured. A special measuring device has been designed, which can be used to measure both the DC beam and the pulsed beam. The required pulsed beam was obtained after pulsed beam tuning. | AN ShiZhong YIN ZhiGuo LI PengZhan SONG GuoFang WU LongCheng GUAN FengPing XIE HuaiDong JIA XianLu LU YinLong ZHANG TianJue | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，S2： | 3 |
| 17 | Joint Source-Channel En/Decoding Based on a New Symbol-Level Joint Trellis显示文摘 | TU Guofang LIU Jianjun ZHANG Can WANG Qiang | 2011 | Chinese Journal of Electronics2011，20，1： | 2 |
| 18 | Strategies in Precursors and Post Treatments to Strengthen Carbon Nanofibers显示文摘The limited mechanical properties of carbon nanofibers(CNFs)have become a severe problem hindering their wide range applications.The restricting issues are found in the whole fabrication process,including the precursor design,spinning and collection techniques,post treatments like stretching and aligning,and complicated thermal treatments involving stabilization and carbonization.Here we access the CNF development by focusing on the mechanical properties,and systematically discuss the strengthening strategies during the different fabrication stages. | Guofang Hu Xiaohua Zhang Xiaoyan Liu Jianyong Yu Bin Ding | 2020 | Advanced Fiber Materials2020，2，2： | 2 |
| 19 | A rapid and efficient method for primary culture of human adipose-derived stem cells显示文摘 | Guofang Zeng Kuan Lai Jin Li Yaqin Zou Haili Huang Jie Liang Xudong Tang Jing Wei Peihua Zhang | 2013 | Organogenesis2013，，4： | 2 |
| 20 | Impact of COVID-2019 on stroke services in China: survey from the Chinese Stroke Association显示文摘Background The COVID-19 pandemic and physical distancing guidelines have compelled stroke practices worldwide to reshape their delivery of care significantly.We aimed to illustrate how the stroke services were interrupted during the pandemic in China.Methods A 61-item questionnaire designed on Wenjuanxing Form was completed by doctors or nurses who were involved in treating patients with stroke from 1 February to 31 March 2020.Results A total of 415 respondents completed the online survey after informed consent was obtained.Of the respondents,37.8%,35.2%and 27.0%were from mild,moderate and severe epidemic areas,respectively.Overall,the proportion of severe impact(reduction>50%)on the admission of transient ischaemic stroke,acute ischaemic stroke(AIS)and intracerebral haemorrhage(ICH)was 45.0%,32.0%and 27.5%,respectively.Those numbers were 36.9%,27.9%and 22.3%;36.5%,22.1%and 22.6%;and 66.4%,47.5%and 41.1%in mild,moderate and severe epidemic areas,respectively(all p<0.0001).For AIS,thrombolysis was moderate(20%-50%reduction)or severely impacted(>50%),as reported by 54.4%of the respondents,while thrombectomy was 39.3%.These were 44.4%,26.3%;44.2%,39.4%;and 78.2%,56.5%,in mild,moderate and severe epidemic areas,respectively(all p<0.0001).For patients with acute ICH,39.8%reported the impact was severe or moderate for those eligible for surgery who had surgery.Those numbers were 27.4%,39.0%and 58.1%in mild,moderate and severe epidemic areas,respectively.For staff resources,about 20%(overall)to 55%(severe epidemic)of the respondents reported moderate or severe impact on the on-duty doctors and nurses.Conclusion We found a significant reduction of admission for all types of patients with stroke during the pandemic.Patients were less likely to receive appropriate care,for example,thrombolysis/thrombectomy,after being admitted to the hospital.Stroke service in severe COVID-19 epidemic areas,for example,Wuhan,was much more severely impacted compared with other regions in China. | Xia Wang Menglu Ouyang Cheryl Carcel Chen Chen Lingli Sun Jie Yang Yao Zhang Guofang Chen Shoujiang You Yongjun Cao Lu Ma Xin Hu Yi Sui Craig Anderson Lili Song Yongjun Wang David Wang | 2020 | Stroke & Vascular Neurology2020，5，4： | 2 |
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