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Journal of Integrative Agriculture 2024年第11期23卷 3788-3800页

作者： chengdong Yang Manfei Luo Xue Zhang Linlin Ye Ge Yu yi Lü yi chen Taixu chen Xuejian Wang Wanzhen Feng Qinghe chen School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication) Hainan University Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests of Ministry of Education School of Tropical Agriculture and Forestry Hainan University Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests

Litchi downy blight, caused by the plant pathogenic oomycete Peronophythora litchii, is one of the most devastating diseases on litchi and resulted in huge economic losses. Autophagy plays an essential role in the development and pathogenicity of the filamentous fungi. However, the function of autophagy in oomycetes remain elusive. Here, an autophagy-related protein Atg3 homolog PlAtg3 was identified and characterized in P. litchii. The absence of PlATG3 through the CRISPR/Cas9 gene replacement strategy compromised vegetative growth and sexual/asexual development. Cytological analyses revealed that the deletion of PlATG3 impaired autophagosome formation with monodansylcadaverine(MDC) staining and significantly disrupted zoospore release due to defects of sporangial cleavage with FM4-64 staining. Atg8 is considered to be an autophagy marker protein in various species. Western blot analysis indicated that PlAtg3 is involved in degradation of PlAtg8-PE. Interestingly, PlAtg3 was unable to interact with PlAtg8 in yeast two hybrid(Y2H) assays, possibly due to the absence of the Atg8 family interacting motif(AIM) in PlAtg3. Furthermore, pathogenicity assays revealed that the deletion of PlATG3 considerably reduced the virulence of P. litchii. Taken together, our data reveal that PlAtg3 plays an important role in radial growth, asexual/sexual development, sporangial cleavage and zoospore release, autophagosome formation, and pathogenicity in P. litchii. This study contributes to a better understanding of the pathogenicity mechanisms of P. litchii and provides insights for the development of more effective strategies to control oomycete diseases.

关键词： PlAtg3 sporangial cleavage autophagy pathogenicity Peronophythora litchii

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Polysaccharide of Alocasia cucullata Exerts Antitumor Effect by Regulating Bcl-2, Caspase-3 and ERK1/2 Expressions during Long-Time Administration

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Chinese Journal of Integrative Medicine 2024年第1期30卷 52-61页

作者： ZHOU Qi-chun XIAO Shi-lin LIN Ru-kun LI Chan chen Zhi-jie chen yi-fei LUO Chao-hua MO Zhi-xian LIN ying-bo School of Traditional Chinese Medicine Southern Medical UniversityGuangzhou(510515)China Clinical and Basic Research Team of TCM Prevention and Treatment of Non-Small Cell Lung Cancer the Second Clinical College of Guangzhou University of Chinese MedicineGuangzhou(510120)China Department of Chinese Medicine Zhujiang Hospital Affiliated to Southern Medical UniversityGuangzhou(510282)China Department of Pharmacy Jiangmen Central HospitalJiangmen(529000)China

Objective: To study the in vitro and in vivo antitumor effects of the polysaccharide of Alocasia cucullata(PAC) and the underlying mechanism. Methods: B16F10 and 4T1 cells were cultured with PAC of 40 μg/m L, and PAC was withdrawn after 40 days of administration. The cell viability was detected by cell counting kit-8. The expression of Bcl-2 and Caspase-3 proteins were detected by Western blot and the expressions of ERK1/2 mRNA were detected by quantitative real-time polymerase chain reaction(qRT-PCR). A mouse melanoma model was established to study the effect of PAC during long-time administration. Mice were divided into 3 treatment groups: control group treated with normal saline, positive control group(LNT group) treated with lentinan at 100 mg/(kg·d), and PAC group treated with PAC at 120 mg/(kg·d). The pathological changes of tumor tissues were observed by hematoxylin-eosin staining. The cell apoptosis of tumor tissues was detected by TUNEL staining. Bcl-2 and Caspase-3 protein expressions were detected by immunohistochemistry, and the expressions of ERK1/2, JNK1 and p38 mRNA were detected by qRT-PCR. Results: In vitro, no strong inhibitory effects of PAC were found in various tumor cells after 48 or 72 h of administration. Interestingly however, after 40 days of cultivation under PAC, an inhibitory effect on B16F10 cells was found. Correspondingly, the long-time administration of PAC led to downregulation of Bcl-2 protein(P <0.05), up-regulation of Caspase-3 protein(P<0.05) and ERK1 mRNA(P<0.05) in B16F10 cells. The above results were verified by in vivo experiments. In addition, viability of B16F10 cells under long-time administration culture in vitro decreased after drug withdrawal, and similar results were also observed in 4T1 cells. Conclusions: Long-time administration of PAC can significantly inhibit viability and promote apoptosis of tumor cells, and had obvious antitumor effect in tumor-bearing mice.

关键词： polysaccharide of Alocasia cucullata tumor cells Bcl-2 Caspase-3 ERK1/2 Chinese medicine

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Two-photon live imaging of direct glia-to-neuron conversion in the mouse cortex

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Neural Regeneration Research 2024年第8期19卷 1781-1788页

作者： Zongqin Xiang Shu He Rongjie chen Shanggong Liu Minhui Liu Liang Xu Jiajun Zheng Zhouquan Jiang Long Ma ying Sun Yongpeng Qin yi chen Wen Li Xiangyu Wang Gong chen Wenliang Lei Guangdong-Hong Kong-Macao Institute of CNS Regeneration(GHMICR) Jinan UniversityGuangzhouGuangdong ProvinceChina Department of Neurosurgery The First Affiliated HospitalJinan UniversityGuangzhouGuangdong ProvinceChina Laboratory for Neuroimmunology in Health and Diseases Guangzhou First People’s HospitalSchool of MedicineSouth China University of TechnologyGuangzhouGuangdong ProvinceChina VIB-KU Leuven Center for Brain&Disease Research LeuvenFlemish RegionBelgium

Over the past decade,a growing number of studies have reported transcription factor-based in situ reprogramming that can directly conve rt endogenous glial cells into functional neurons as an alternative approach for n euro regeneration in the adult mammalian central ne rvous *** r,many questions remain regarding how a terminally differentiated glial cell can transform into a delicate neuron that forms part of the intricate brain *** addition,concerns have recently been raised around the absence of astrocyte-to-neuron conversion in astrocytic lineage-tra cing *** this study,we employed repetitive two-photon imaging to continuously capture the in situ astrocyte-to-neuron conversion process following ecto pic expression of the neural transcription factor NeuroD1 in both prolife rating reactive astrocytes and lineage-tra ced astrocytes in the mouse ***-lapse imaging over several wee ks revealed the ste p-by-step transition from a typical astrocyte with numero us short,tapered branches to a typical neuro n with a few long neurites and dynamic growth cones that actively explored the local *** addition,these lineage-converting cells were able to migrate ra dially or to ngentially to relocate to suitable ***,two-photon Ca2+imaging and patch-clamp recordings confirmed that the newly generated neuro ns exhibited synchronous calcium signals,repetitive action potentials,and spontaneous synaptic responses,suggesting that they had made functional synaptic connections within local neural *** conclusion,we directly visualized the step-by-step lineage conversion process from astrocytes to functional neurons in vivo and unambiguously demonstrated that adult mammalian brains are highly plastic with respect to their potential for neuro regeneration and neural circuit reconstruction.

关键词： astrocyte-to-neuron conversion Ca2+imaging direct lineage conversion glia astrocyte in vivo reprogramming lineage-tracing mice NeuroD1 neuron two-photon imaging

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Acupuncture and moxibustion for irritable bowel syndrome:An umbrella systematic review

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Journal of Integrative Medicine 2024年第1期22卷 22-31页

作者： Yue-ying Ma Zhou Hao Zi-yi chen Yan-xi Shen Hui-rong Liu Huan-gan Wu Chun-hui Bao Shanghai Clinical Research Centre for Acupuncture and Moxibustion Yueyang Hospital of Integrated Chinese and Western MedicineShanghai University of Traditional Chinese MedicineShanghai 200437China Key Laboratory of Acupuncture and Immunological Effects Shanghai University of Traditional Chinese MedicineShanghai 200030China

BackgroundIrritable bowel syndrome(IBS)is a functional bowel disease characterized by abdominal pain or discomfort associated with altered bowel *** clinical studies have demonstrated the effectiveness of acupuncture and moxibustion for *** systematic reviews of acupuncture and moxibustion for IBS have been published in recent years,but their results are not entirely *** evaluate the methodological,reporting,and evidence quality of systematic reviews of acupuncture and moxibustion for *** strategySystematic reviews of acupuncture and moxibustion for IBS published before February 20,2023 were searched in eight databases:PubMed,Embase,Cochrane Library,Web of Science,China National Knowledge Infrastructure,Wanfang Data,VIP Database for Chinese Technical Periodicals,and China Biology *** keywords used for literature search were acupuncture,moxibustion,systematic review,meta-analysis,and irritable bowel *** criteriaSystematic reviews and meta-analyses of randomized controlled trials of acupuncture and moxibustion for IBS were *** extraction and analysisRelevant information was independently extracted by two *** A MeaSurement Tool to Assess systematic Reviews 2(AMSTAR 2),Preferred Reporting Items for Systematic Reviews and Meta-Analyses(PRISMA 2020),and Grading of Recommendations Assessment,Development and Evaluation(GRADE)were used to evaluate the methodological quality,reporting quality and evidence quality,*** total of 342 studies were retrieved and 15 systematic reviews were *** results of AMSTAR 2 showed low methodological quality in 2 studies and very low methodological quality in the remaining 13 studies,with main issues being failure to register a protocol,incomplete search strategy,not providing a list of excluded studies,incomplete consideration of the risk of bias in the included studies,and a failure to assess the publication *** results of

关键词： Irritable bowel syndrome Acupuncture Moxibustion Umbrella systematic review Systematic review

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Alisol B 23-acetate promotes white adipose tissue browning to mitigate high-fat diet-induced obesity by regulating mTOR-SREBP1 signaling

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Journal of Integrative Medicine 2024年第1期22卷 83-92页

作者： Lu-lu Han Xin Zhang Hui Zhang Ting Li yi-chen Zhao Ming-hui Tian Feng-lei Sun Bo Feng Department of Neurology Three The Fifth People’s Hospital of JinanJinan 250013Shandong ProvinceChina Department of Gastroenterology Affiliated Hospital of Shandong University of Traditional Chinese MedicineJinan 250014Shandong ProvinceChina The First Clinical Medical College Shandong University of Traditional Chinese MedicineJinan 250014Shandong ProvinceChina Department of Geriatrics the First Affiliated Hospital of Shandong First Medical University(Shandong Provincial Qianfoshan Hospital)Jinan 250014Shandong ProvinceChina Chinese Medicine Culture and Literature Research Institute Shandong University of Traditional Chinese MedicineJinan 250014Shandong ProvinceChina Department of General Medicine Affiliated Hospital of Shandong University of Traditional Chinese MedicineJinan 250014Shandong ProvinceChina Department of Traditional Chinese Medicine the Second People’s Hospital of Haibei PrefectureZangzu Autonomous Prefecture of Haibei810300Qinghai ProvinceChina

Objective Obesity is a global health concern with management strategies encompassing bariatric surgery and anti-obesity drugs;however,concerns regarding complexities and side effects persist,driving research for more effective,low-risk *** promotion of white adipose tissue(WAT)browning has emerged as a promising ***,alisol B 23-acetate(AB23A)has demonstrated efficacy in addressing metabolic disorders,suggesting its potential as a therapeutic agent in obesity ***,in this study,we aimed to investigate the therapeutic potential of AB23A for mitigating obesity by regulating metabolic phenotypes and lipid distribution in mice fed a high-fat diet(HFD).Methods An obesity mouse model was established by administration of an *** and insulin metabolism were assessed via glucose and insulin tolerance *** size was determined using hematoxylin and eosin *** expression of browning markers in WAT was evaluated using Western blotting and quantitative real-time polymerase chain *** cage monitoring involved the assessment of various parameters,including food and water intake,energy metabolism,respiratory exchange rates,and physical ***,oil red O staining was used to evaluate intracellular lipid accumulation.A bioinformatic analysis tool for identifying the molecular mechanisms of traditional Chinese medicine was used to examine AB23A targets and associated signaling *** AB23A administration significantly reduced the weight of obese mice,decreased the mass of inguinal WAT,epididymal WAT,and perirenal adipose tissue,improved glucose and insulin metabolism,and reduced adipocyte ***,treatment with AB23A promoted the expression of browning markers in WAT,enhanced overall energy metabolism in mice,and had no discernible effect on food intake,water consumption,or physical *** 3T3-L1 cells,AB23A inhibited lipid accumulation,and both AB23A and rapamycin inhibited t

关键词： Obesity Alisol B 23-acetate Adipose tissue mTOR-SREBP1 High-fat diet

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Safety, immunogenicity and protective effectiveness of heterologous boost with a recombinant COVID-19 vaccine (Sf9 cells) in adult recipients of inactivated vaccines

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Signal Transduction and Targeted Therapy 2024年第3期9卷 1165-1173页

作者： Wenxin Luo Jiadi Gan Zhu Luo Shuangqing Li Zhoufeng Wang Jiaxuan Wu Huohuo Zhang Jinghong Xian Ruixin cheng Xiumei Tang yi Liu Ling Yang Qianqian Mou Xue Zhang yi chen Weiwen Wang Yantong Wang Lin Bai Xuan Wei Rui Zhang Lan Yang Yaxin chen Li Yang Yalun Li Dan Liu Weimin Li Lei chen Department of Pulmonary and Critical Care Medicine West China HospitalSichuan UniversityChengduChina Institute of Respiratory Health Frontiers Science Center for Disease-related Molecular NetworkWest China HospitalSichuan UniversityChengduChina Precision Medicine Center Precision Medicine Key Laboratory of Sichuan ProvinceWest China HospitalSichuan UniversityChengduChina State Key Laboratory of Respiratory Health and Multimorbidity West China HospitalChengduChina Institute of Respiratory Health and Multimorbidity West China HospitalSichuan UniversityChengduChina Clinical Trial Center West China HospitalSichuan UniversityChengduChina General Practice Medical Center West China HospitalSichuan UniversityChengduChina Fangcao Community Health Service Center of chengdu High-tech Zone ChengduChina The Research Units of West China Chinese Academy of Medical SciencesWest China HospitalChengduChina West China School of Nursing Sichuan UniversityChengduChina Department of Infection Control West China HospitalSichuan UniversityChengduChina Department of Pathology West China HospitalSichuan UniversityChengduChina Department of Respiratory and Critical Care Medicine the First Affiliated Hospital of Chongqing Medical UniversityChongqingChina Department of Neurology West China HospitalSichuan UniversityChengduChina

Vaccines have proven effective in protecting populations against COVID-19,including the recombinant COVID-19 vaccine(Sf9 cells),the first approved recombinant protein vaccine in *** this positive-controlled trial with 85 adult participants(Sf9 cells group:n=44;CoronaVac group:n=41),we evaluated the safety,immunogenicity,and protective effectiveness of a heterologous boost with the Sf9 cells vaccine in adults who had been vaccinated with the inactivated vaccine,and found a post-booster adverse events rate of 20.45%in the Sf9 cells group and 31.71%in the CoronaVac group(p=0.279),within 28 days after booster *** group reported any severe adverse *** the Sf9 cells vaccine booster,the geometric mean titer(GMT)of binding antibodies to the receptor-binding domain of prototype SARS-CoV-2 on day 28 post-booster was significantly higher than that induced by the CoronaVac vaccine booster(100,683.37 vs.9,451.69,p<0.001).In the Sf9 cells group,GMTs of neutralizing antibodies against pseudo SARS-CoV-2 viruses(prototype and diverse variants of concern[VOCs])increased by 22.23–75.93 folds from baseline to day 28 post-booster,while the CoronaVac group showed increases of only 3.29–10.70 ***,neutralizing antibodies against live SARS-CoV-2 viruses(prototype and diverse VOCs)increased by 68.18–192.67 folds on day 14 post-booster compared with the baseline level,significantly greater than the CoronaVac group(19.67–37.67 folds).A more robust Th1 cellular response was observed with the Sf9 cells booster on day 14 post-booster(mean IFN-γ+spot-forming cells per 2×105 peripheral blood mononuclear cells:26.66 vs.13.59).Protective effectiveness against symptomatic COVID-19 was approximately twice as high in the Sf9 cells group compared to the CoronaVac group(68.18%vs.36.59%,p=0.004).Our study findings support the high protective effectiveness of heterologous boosting with the recombinant COVID-19 vaccine(Sf9 cells)against symptomatic COVID-19 of dive

关键词： protective vaccine boost

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Effect of distribution of fines on evolution of cooperation in spatial public goods game

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Chinese Physics B 2024年第9期33卷 239-245页

作者： Xing-Ping Sun Yan-Zheng Bi Hong-Wei Kang Yong Shen Qing-yi chen School of Software Yunnan UniversityKunming 650000China

In the realm of public goods game,punishment,as a potent tool,stands out for fostering *** it effectively addresses the first-order free-rider problem,the associated costs can be *** incur expenses in imposing sanctions,while defectors face ***,these monetary elements seemingly vanish into thin air,representing a loss to the system ***,by virtue of the redistribution of fines to cooperators and punishers,not only can we mitigate this loss,but the rewards for these cooperative individuals can be *** upon this premise,this paper introduces a fine distribution mechanism to the traditional pool punishment *** identical parameter settings,by conducting a comparative experiment with the conventional punishment model,the paper aims to investigate the impact of fine distribution on the evolution of cooperation in spatial public goods *** experimental results clearly demonstrate that,in instances where the punishment cost is prohibitively high,the cooperative strategies of the traditional pool punishment model may completely ***,the model enriched with fine distribution manages to sustain a considerable number of cooperative strategies,thus highlighting its effectiveness in promoting and preserving cooperation,even in the face of substantial punishment cost.

关键词： public goods game fine distribution cooperation

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Species recognition and the divergences in the chemical and ultrasonic signals between two coexisting Rattus species

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Current Zoology 2024年第4期70卷 531-538页

作者： Wei-Chao Wang Zhi-Ming Li yi chen Jin-Hua Zhang Jian-Xu Zhang Yao-Hua Zhang The State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of ZoologyChinese Academy of SciencesBeijing 100101China CAs Center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijingChina

The ability to recognize and differentiate between conspecifics and heterospecifics as well as their signals is critical for the coexistence of closely related *** the genus Rattus,species are morphologically similar and multiple species often ***,we investigated the interspecific recognition and signal differentiation of two sympatric rat species,the brown rat(Rattus norvegicus,RN)and the Asian house rat(Rattus tanezumi,RT).In a two-way choice test,both RN and RT females showed a preference for conspecific male rats to heterospecific *** females showed a significant preference for accessible urine of males of same species to those of other species,but not for the inaccessi-ble *** the other hand,there were significant differences in the structural characteristics of the ultrasonic vocalization emitted by males of these two rat *** dodecyl sulphate-polyacrylamide gel electrophoresis(SDS-PAGE)and isoelectric focusing electrophoresis unveiled that major urinary proteins(MUPs)in voided urine were more highly expressed in RN males versus RT *** interspecific dif-ferences of urinary volatile compounds were also *** conclusion,female rats had the ability to distinguish between males of either species.

关键词： Asian house rats brown rats closely related species pheromones ultrasonic vocalization.

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Alkali-extracted polysaccharides from mung bean skin possess protective effect on HO-induced IEC-6 cells: the role of NF-κB and MAPK signaling pathways

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Food Science and Human Wellness 2024年

作者： Shuai chen Liuming Xie Pingwei Wen Qiang Yu yi chen Hanyu Lu Ting chen Xin Tao Jianhua Xie International Institute of Food Innovation Co.， Ltd.， Nanchang University State Key Laboratory of Food Science and Resources， Nanchang University

Intestinal oxidation-reduction balance is essential to protect host health. Research on the underlying mechanisms of oxidation homeostasis can provide conditions to the treatment or protection of intestinal oxidative stress. Therefore， the mechanism of polysaccharide (MBP) with alkali-extracted from mung bean skin in alleviating oxidative damage induced by H2O2-induced in Intestinal epithelial cells (IEC)-6 cells was explored. Results indicated that MBP effectively mitigated the H2O2-induced decrease in IEC-6 cell viability， restored superoxide dismutase (SOD) activity， lowered malondialdehyde (MDA) content， and decreased reactive oxygen species (ROS) level. Western blotting showed that MBP may mitigate oxidative damage through NF-κB， MAPK and Nrf2 signaling pathway， and RNA sequencing (RNA-seq) analysis confirmed that MBP can protect cells by regulating MAPK and NF-κB signaling pathways. Moreover， the results of the inhibitor experiment also support the above hypothesis. These results verified that MBP has the capacity to mitigate oxidative damage induced by H2O2in IEC-6 cells through MAPK and NF-κB signaling pathway. The study showed that MBP can assist preventing intestinal diseases relating to oxidative stress， which could facilitate the development of functional foods.

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Treatment with intravenous alteplase in ischaemic stroke patients with onset time between 4.5 and 24 hours(HOPE):protocol for a randomised,controlled,multicentre study

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Stroke & Vascular Neurology 2024年第3期9卷 318-323,I0274-I0282页

作者： Zhongyu Luo ying Zhou Yaode He Shenqiang Yan Zhicai chen Xuting Zhang yi chen Lu-Sha Tong Wansi Zhong Haitao Hu Kemeng Zhang Jiansheng Yang Bruce C V Campbell Min Lou Department of Neurology Zhejiang University School of Medicine Second Affiliated HospitalHangzhouZhejiangChina Department of Medicine and Neurology Melbourne Brain Centre at Royal Melbourne HospitalParkvilleVictoriaAustralia

Background While intravenous thrombolysis is recommended for patients who had an acute ischaemic stroke(AIS)within 4.5hours of symptom onset,there are few randomised trials investigating the benefits of thrombolysis beyond this therapeutic *** To determine whether patients who had an AIS selected with the presence of potentially salvageable tissue on CT perfusion at 4.5–24hours after stroke onset(for stroke with unknown onset time,the midpoint of the time last known to be well and symptom recognition time;for wake-up stroke,the midpoint of the time last known to be well or sleep onset and wake up time)will benefit from intravenous *** HOPE is a prospective,multicentre,randomised,open-label blinded endpoint trial with the stage of phase *** treatment allocation employs 1:1 *** treatment arm under investigation is alteplase with standard therapy,the control arm is standard *** imaging criteria include ischaemic core volume≤70mL,penumbra≥10mL and mismatch≥20%.Study outcomes The primary outcome is non-disabled functional outcome(assessed as modified Rankin Scale score of 0–1 at 90 days).Discussion HOPE is the first trial to investigate whether intravenous thrombolysis with alteplase offers benefits in patients who had an AIS presenting within 4.5–24hours,which has the potential to extend time window and expand eligible population for thrombolysis therapy.

关键词： patients intravenous centre

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