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1Changes in visibility with PM_(2.5) composition and relative humidity at a background site in the Pearl River Delta region显示文摘In fall–winter, 2007–2013, visibility and light scattering coefficients(b sp) were measured along with PM_(2.5)mass concentrations and chemical compositions at a background site in the Pearl River Delta(PRD) region. The daily average visibility increased significantly(p < 0.01) at a rate of 1.1 km/year, yet its median stabilized at ~13 km. No haze days occurred when the 24-hr mean PM_(2.5)mass concentration was below 75 μg/m^3. By multiple linear regression on the chemical budget of particle scattering coefficient(b sp), we obtained site-specific mass scattering efficiency(MSE) values of 6.5 ± 0.2, 2.6 ± 0.3, 2.4 ± 0.7 and 7.3 ± 1.2 m2/g,respectively, for organic matter(OM), ammonium sulfate(AS), ammonium nitrate(AN) and sea salt(SS). The reconstructed light extinction coefficient(b ext) based on the Interagency Monitoring of Protected Visual Environments(IMPROVE) algorithm with our site-specific MSE revealed that OM, AS, AN, SS and light-absorbing carbon(LAC) on average contributed 45.9% ± 1.6%,25.6% ± 1.2%, 12.0% ± 0.7%, 11.2% ± 0.9% and 5.4% ± 0.3% to light extinction, respectively.Averaged b ext displayed a significant reduction rate of 14.1/Mm·year(p < 0.05); this rate would be 82% higher if it were not counteracted by increasing relative humidity(RH) and hygroscopic growth factor(f(RH)) at rates of 2.5% and 0.16/year-1(p < 0.01), respectively, during the fall–winter, 2007–2013. This growth of RH and f(RH) partly offsets the positive effects of lowered AS in improving visibility, and aggravated the negative effects of increasing AN to impair visibility.Xiaoxin Fu Xinming Wang Qihou Hu Guanghui Li Xiang Ding Yanli Zhang Quanfu He Tengyu Liu Zhou Zhang Qingqing Yu Ruqing Shen Xinhui Bi 2016Journal of Environmental Sciences2016,28,2:18
2The HuangZaoSi Maize Genome Provides Insights into Genomic Variation and Improvement History of Maize显示文摘Maize is a globally important crop that was a classic model plant for genetic studies. Here, we report a 2.2 Gb draft genome sequence of an elite maize line, HuangZaoSi (HZS). Hybrids bred from HZS-improved lines (HILs) are planted in more than 60% of maize fields in China. Proteome clustering of six completed sequeneed maize genomes show that 638 proteins fall into 264 HZS-specific gene families with the majority of contributions from tandem duplication events. Resequencing and comparative analysis of 40 HZSrelated lines reveals the breeding history of HILs. More than 60% of identified selective sweeps were clustered in identity.by.descent conserved regions, and yield-related genes/QTLs were enriched in HZS characteristic selected regions. Furthermore, we dem on strated that HZS-specific family genes were not uniformly distributed in the genome but enriched in improvement/function.related genomic regions. This study provides an important and novel resource for maize genome research and expands our knowledge on the breadth of genomic variation and improvement history of maize.Chunhui Li Wei Song Yingfeng Luo Shenghan Gao Ruyang Zhang Zi Shi Xiaqing Wang Ronghuan Wang Fengge Wang Jidong Wang Yanxin Zhao Aiguo Su Shuai Wang Xin Li Meijie Luo Shuaishuai Wang Yunxia Zhang Jianrong Ge Xinyu Tan Ye Yuan Xiaochun Bi Hang He Jianbing Yan Yuandong Wang Songnian Hu Jiuran Zhao 2019Molecular Plant2019,12,3:15
3Geo-engineered buffer capacity of two-layered absorbing system under the impact of rock avalanches based on Discrete Element Method显示文摘Many rock avalanches were triggered by the Wenchuan earthquake on May 12,2008 in southwest China.Protection galleries covered with a single soil layer are usually used to protect against rockfall.Since one-layer protection galleries do not have sufficient buffer capacity,a two-layered absorbing system has been designed.This study aims to find whether an expanded poly-styrol(EPS) cushion,which is used in the soil-covered protection galleries for shock absorption,could be positioned under dynamic loadings.The dynamic impacts of the two-layered absorbing system under the conditions ofrock avalanches are numerically simulated through a 2D discrete element method.By selecting reasonable parameters,a series of numerical experiments were conducted to find the best combination for the twolayered absorbing system.The values of the EPS layer area as a percentage of the total area were set as 0%(S1),22%(S2),and 70%(S3).22% of the area of the EPS layer was found to be a reasonable value,and experiments were conducted to find the best position of the EPS layer in the two-layered absorbing system.The numerical results yield useful conclusions regarding the interaction between the impacting avalanches and the two-layered absorbing system.The soil layer can absorb the shock energy effectively and S2(0.4-m thick EPS cushion covered with soillayer) is the most efficient combination,which can reduce the impact force,compared with the other combinations.BI Yu-zhang HE Si-ming LI Xin-po WU Yong XU Qiang OUYANG Chao-jun SU Li-Jun WANG Hao 2016Journal of Mountain Science2016,13,5:14
4Clinical characteristics and effectiveness of antiviral agents in hospitalized children with infectious mononucleosis in China:A multicenter retrospective study显示文摘Importance:The clinical characteristics of infectious mononucleosis(IM)in Chinese children have not been evaluated in multicenter studies,and the effectiveness of antiviral treatment are controversial.Objective:To investigate the clinical characteristics of Chinese children with IM and current status of antiviral therapy for affected patients.Methods:Hospitalized patients with IM were enrolled between 2018 and 2020 in five children’s hospitals in China.The clinical characteristics were compared among four age groups:<3 years,3-<6 years,6-<10 years,and≥10 years.The clinical characteristics of IM and effectiveness of antiviral therapy were compared among patients receiving acyclovir(ACV),ganciclovir(GCV),and no antiviral therapy(i.e.,non-antiviral group).Results:In total,499 patients were analyzed;most patients were 3-<6 years of age.The most common symptoms and signs included fever(100%),lymphadenopathy(98.6%),pharyngitis(86.4%),eyelid edema(76.8%),and snoring(72.9%).There were significant differences in rash,hepatomegaly,and liver dysfunction among the four age groups.Patients aged<3 years had a lower incidence of liver dysfunction and a higher incidence of rash.Among the 499 patients,50.1%were treated with GCV,26.3%were treated with ACV,and 23.6%received no antiviral therapy.Compared with the non-antiviral group,patients in the ACV and GCV groups had longer durations of fever(P<0.001).There were no significant differences in the incidences of complications among the three treatment groups.Interpretation:The incidence of IM in Chinese children peaked at 3-<6 years of age.Clinical features of IM varied according to age.Patients receiving antiviral therapy exhibited more serious clinical manifestations than did patients without antiviral therapy.The effectiveness of antiviral therapy for IM requires further analysis.Huili Hu Huiling Deng Jing Bi Yi Xu Shuangjie Li Yue Xie Xinrong Sun Dongmeng Wang Xufang Li Wenxian Ouyang Bing Hu Yufeng Zhang He Tang Chunxiao Fang Hui Zhang Lingyun Guo Chen Wang Tianyi Wang Fengxia Yang Tao Jiang Zhengde Xie Gang Liu 2021Pediatric Investigation2021,5,3:12
5Investigation of free amino acid, total phenolics,antioxidant activity and purine alkaloids to assess the health properties of non-Camellia tea显示文摘To find novel functional beverages from folk teas, 33 species of frequently used non-Camellia tea(plants other than Camellia) were collected and compared with Camellia tea(green tea, pu-erh tea and black tea) for the first time. Data are reported here on the quantities of 20 free amino acids(FAAs) and three purine alkaloids(measured by UHPLC), total polyphenols(measured by Folin-Ciocalteu assay), and antioxidant activity(DPPH). The total amounts of FAAs in non-Camellia tea(0.62–18.99 mg/g) are generally less than that of Camellia tea(16.55–24.99 mg/g). However, for certain FAAs, the quantities were much higher in some non-Camellia teas, such as γ-aminobutyric acid in teas from Ampelopsis grossedentata, Isodon serra and Hibiscus sabdariffa. Interestingly, theanine was detected in tea from Potentilla fruticosa(1.16±0.81 mg/g). Furthermore, the content of polyphenols in teas from A. grossedentata, Acer tataricum subsp. ginnala are significantly higher than those from Camellia tea;teas from I. serra, Pistacia chinensis and A. tataricum subsp. ginnala have remarkable antioxidant activities similar to the activities from green tea(44.23 μg/m L). Purine alkaloids(caffeine, theobromine and theophylline) were not detected in non-Camellia teas. The investigation suggest some non-Camellia teas may be great functional natural products with potential for prevention of chronic diseases and aging,by providing with abundant polyphenols, antioxidants and specific FAAs.Wu Bi Chunnian He Yunyun Ma Jie Shen Linghua Harris Zhang Yong Peng Peigen Xiao 2016Acta Pharmaceutica Sinica B2016,6,2:11
6Scalable volumetric imaging for ultrahigh-speed brain mapping at synaptic resolution显示文摘The speed of high-resolution optical imaging has been a rate-limiting factor for meso-scale mapping of brain structures and functional circuits,which is of fundamental importance for neuroscience research.Here,we describe a new microscopy method of Volumetric Imaging with Synchronized on-the-fly-scan and Readout(VISo R)for high-throughput,high-quality brain mapping.Combining synchronized scanning beam illumination and oblique imaging over cleared tissue sections in smooth motion,the VISo R system effectively eliminates motion blur to obtain undistorted images.By continuously imaging moving samples without stopping,the system achieves high-speed 3D image acquisition of an entire mouse brain within1.5 hours,at a resolution capable of visualizing synaptic spines.A pipeline is developed for sample preparation,imaging,3D image reconstruction and quantification.Our approach is compatible with immunofluorescence methods,enabling flexible cell-type specific brain mapping and is readily scalable for large biological samples such as primate brains.Using this system,we examined behaviorally relevant whole-brain neuronal activation in 16 c-Fos-sh EGFP mice under resting or forced swimming conditions.Our results indicate the involvement of multiple subcortical areas in stress response.Intriguingly,neuronal activation in these areas exhibits striking individual variability among different animals,suggesting the necessity of sufficient cohort size for such studies.Hao Wang Qingyuan Zhu Lufeng Ding Yan Shen Chao-Yu Yang Fang Xu Chang Shu Yujie Guo Zhiwei Xiong Qinghong Shan Fan Jia Peng Su Qian-Ru Yang Bing Li Yuxiao Cheng Xiaobin He Xi Chen Feng Wu Jiang-Ning Zhou Fuqiang Xu Hua Han Pak-Ming Lau Guo-Qiang Bi 2019National Science Review2019,6,5:7
7VLW equation of state of detonation products显示文摘Based on the virial theory, we proposed VLW equation of state of detonation products (VLW EOS). Its basic theory and applications were described. The distinct features of the VLW EOS were:First, the detonation performance of the new high energy density materials could be predicted more reliably. Second, it had extensive application. The detonation parameters of both the condensed high energy density materials and the gaseous fuel air explosives could be calculated. Moreover, combustion performance of propellants could also be precisely calculated. The calculation results were satisfactory.WU Xiong LONG XinPing HE Bi JIANG XiaoHua 2009Science China Chemistry2009,52,5:7
8The kinase AKT1 potentiates the suppressive functions of myeloid-derived suppressor cells in inflammation and cancer显示文摘Myeloid-derived suppressor cells(MDSCs)are a group of heterogeneous cells1 that play crucial negative regulatory roles in immune-associated diseases,including infections,2 cancer,3 transplantation4,and autoimmunity.5 We and others have shown that mTOR signaling and its downstream metabolic pathways regulate MDSC recruitment and function in inflammation and autoimmunity.Anna Jia Yuexin Wang Yufei Wang Yan Li Qiuli Yang Yejin Cao Ying He Lin Dong Yingjie Dong Yueru Hou Ruoning Wang Yujing Bi Guangwei Liu 2021Cellular & Molecular Immunology2021,18,4:7
9Autophagy-dependent removal of α-synuclein: a novel mechanism of GM1 ganglioside neuroprotection against Parkinson’s disease显示文摘GM1 ganglioside is particularly abundant in the mammalian central nervous system and has shown beneficial effects on neurodegenerative diseases.In this study,we investigated the therapeutic effect of GM1 ganglioside in experimental models of Parkinson’s disease(PD)in vivo and in vitro.Mice were injected with MPTP(30 mg·kg-1·d−1,i.p.)for 5 days,resulting in a subacute model of PD.PD mice were treated with GM1 ganglioside(25,50 mg·kg^(−1)·d^(−1),i.p.)for 2 weeks.We showed that GM1 ganglioside administration substantially improved the MPTP-induced behavioral disturbance and increased the levels of dopamine and its metabolites in the striatal tissues.In the MPP^(+)-treated SH-SY5Y cells andα-synuclein(α-Syn)A53T-overexpressing PC12(PC12^(α-Syn A53T))cells,treatment with GM1 ganglioside(40μM)significantly decreasedα-Syn accumulation and alleviated mitochondrial dysfunction and oxidative stress.We further revealed that treatment with GM1 ganglioside promoted autophagy,evidenced by the autophagosomes that appeared in the substantia nigra of PD mice as well as the changes of autophagy-related proteins(LC3-II and p62)in the MPP^(+)-treated SH-SY5Y cells.Cotreatment with the autophagy inhibitor 3-MA or bafilomycin A1 abrogated the in vivo and in vitro neuroprotective effects of GM1 ganglioside.Using GM1 ganglioside labeled with FITC fluorescent,we observed apparent colocalization of GM1-FITC andα-Syn as well as GM1-FITC and LC3 in PC12^(α-Syn A53T)cells.GM1 ganglioside significantly increased the phosphorylation of autophagy regulatory proteins ATG13 and ULK1 in doxycycline-treated PC12^(α-Syn A53T)cells and the MPP^(+)-treated SH-SY5Y cells,which was inhibited by 3-MA.Taken together,this study demonstrates that the anti-PD role of GM1 ganglioside resulted from activation of autophagy-dependentα-Syn clearance.Yu-Lin Guo Wen-Jun Duan Dan-Hua Lu Xiao-Hui Ma Xiao-Xiao Li Zhao Li Wei Bi Hiroshi Kurihara Hai-Zhi Liu Yi-Fang Li Rong-Rong He 2021Acta Pharmacologica Sinica2021,42,4:7
10Climate and extrema of ocean waves in the East China Sea显示文摘Wave climate plays an important role in the air-sea interaction over marginal seas. Extreme wave height provides fundamental information for various ocean engineering practices, such as hazard mitigation, coastal structure design, and risk assessment. In this paper, we implement a third generation wave model and conduct a high-resolution wave hindcast over the East China Sea to reconstruct a 15-year wave field from 1988 to 2002 for derivation of monthly mean wave parameters and analysis of extreme wave conditions. The numerical results of the wave field are validated through comparison with satellite altimetry measurements, low-resolution reanalysis, and the ocean wave buoy record. The monthly averaged wave height and wave period show seasonal variation and refined spatial patterns of surface waves in the East China Sea. The climatological significant wave height and mean wave period decrease from the open ocean in the southeast toward the continental area in the northwest, with the pattern generally following the bathymetry. Extreme analysis on the significant wave height at the buoy station indicates the hindcast data underestimate the extreme values relative to the observations. The spatial pattern of extreme wave height shows single peak emerges at the southwest of Ryukyu Island although a wind forcing with multi-core structure at the extreme is applied.Hailun HE Jinbao SONG Yefei BAI Yao XU Juanjuan WANG Fan BI 2018Science China Earth Sciences2018,61,7:7
11Cycle stability of lithium/garnet/lithium cells with different intermediate layers显示文摘The garnet-type electrolytes such as Ta-doped Li_7La_3Zr_2O_(12)(LLZTO) have been viewed as the promising electrolytes for solid-state lithium batteries, but it exhibits problem of high interfacial resistance(1960 Ω·cm^2) and short circuit when being cycled in Li/LLZTO/Li cells at the current density above 0.5 mA·cm^(-2). Introduction of intermediate layers in between lithium and LLZTO is helpful for decreasing the interfacial resistance and suppressing the growth of lithium dendrites. In this work, three kinds of intermediate layers of Au, Nb and Si with the thickness of 100 nm were prepared. Although the interfacial resistance with the Au layer decreases from 1960 to 32 Ω·cm^2, the cells can only cycle for 0.67 h at 0.5 mA·cm^(-2), related to the Au peeled off from the LLZTO. The Nb layers lead to the initial interfacial resistance of 14 Ω·cm^2, while showing extension of cycle time to 50 h with the increase in interfacial resistance due to the formation of the resistive Li–Nb–O phase. The Si layers induce the interfacial resistance as low as 5 Ω·cm^2 and the cycles as long as 120 h, which is attributed to the improvement in electrical contact between Li and electrolyte as well as the maintenance of conductive interface during cycles.Ning Zhao Rui Fang MingHui He Cheng Chen YiQiu Li ZhiJie Bi Xiang-Xin Guo 2018Rare Metals2018,37,6:7
12Spontaneous apoptosis of cells in therapeutic stem cell preparation exert immunomodulatory effects through release of phosphatidylserine显示文摘Mesenchymal stem cell(MSC)-mediated immunomodulation has been harnessed for the treatment of human diseases,but its underlying mechanism has not been fully understood.Dead cells,including apoptotic cells have immunomodulatory properties.It has been repeatedly reported that the proportion of nonviable MSCs in a MSC therapeutic preparation varied from 5-50%in the ongoing clinical trials.It is conceivable that the nonviable cells in a MSC therapeutic preparation may play a role in the therapeutic effects of MSCs.We found that the MSC therapeutic preparation in the present study had about 5%dead MSCs(DMSCs),characterized by apoptotic cells.Namely,1×10^(6) MSCs in the preparation contained about 5×10^(4) DMSCs.We found that the treatment with even 5×10^(4) DMSCs alone had the equal therapeutic effects as with 1×10^(6) MSCs.This protective effect of the dead MSCs alone was confirmed in four mouse models,including concanavalin A(ConA)-and carbon tetrachloride(CCI4)-induced acute liver injury,LPS-induced lung injury and spinal cord injury.We also found that the infused MSCs died by apoptosis in vivo.Furthermore,the therapeutic effect was attributed to the elevated level of phosphatidylserine(PS)upon the injection of MSCs or DMSCs.The direct administration of PS liposomes(PSLs)mimic apoptotic cell fragments also exerted the protective effects as MSCs and DMSCs.The Mer tyrosine kinase(MerTK)deficiency or the knockout of chemokine receptor C-C motif chemokine receptor 2(CCR2)reversed these protective effects of MSCs or DMSCs.These results revealed that DMSCs alone in the therapeutic stem cell preparation or the apoptotic cells induced in vivo may exert the same immunomodulatory property as the'living MSCs preparation'through releasing PS,which was further recognized by MerTK and participated in modulating immune cells.Xuemei He Weiqi Hong Jingyun Yang Hong Lei Tianqi Lu Cai He Zhenfei Bi Xiangyu Pan Yu Liu Lunzhi Dai Wei Wang Canhua Huang Hongxin Deng Xiawei Wei 2021Signal Transduction and Targeted Therapy2021,6,8:6
13A Systematic Assessment of Blood Lead Level in Children and Associated Risk Factors in China显示文摘In this study, we searched multiple databases for all relevant original articles (1996-2013). To investigate blood lead levels (BLL) and possible risk factors for lead exposure among children in China A total of 388 articles met our inclusion criteria. The overall geometric mean (GM) BLL was 71 IJ.g/L, and the prevalence of elevated BLL (EBLL, defined as BLL 〉_100 Ixg/L) was l&.4&% among children. The prevalence of EBLL remained significantly higher among boys. In children less than 6 years of age, there were significantly increasing trends in both BLL and prevalence of EBLL in an age-dependent manner. The ban on leaded gasoline significantly reduced the BLL as well as EBLL prevalence; however, children whose parents had lower educational levels or were exposed to lead in the workplace had a higher EBLL prevalence. Despite its decline over time, the average BLL among children in China remains higher than the average level most recently reported in the United States. Childhood lead poisoning remains a public health problem in China.WANG Lu LI Zhen HUANG Shao Xin DU Chuang WANG Hong HE Li Ping BI Yong Yi SHI Yong WANG Chun Hong 2015Biomedical and Environmental Sciences2015,28,8:6
14Integrin-interacting protein Kindlin-2 induces mammary tumors in transgenic mice显示文摘Kindlin-2, an integrin-interacting protein, regulates breast cancer progression. However, currently, no animal model to study the role of Kindlin-2 in the carcinogenesis of mammary gland is available. We established a Kindlin-2 transgenic mouse model using a mammary gland-specific promoter, mammary tumor virus(MMTV) long terminal repeat(LTR). Kindlin-2 was overexpressed in the epithelial cells of the transgenic mice. The mammary gland ductal trees were found to grow faster in MMTV-Kindlin-2 transgenic mice than in control mice during puberty. Kindlin-2 promoted mammary gland growth as indicated by more numerous duct branches and larger lumens, and more alveoli were formed in the mammary glands during pregnancy under Kindlin-2 overexpression. Importantly, mammary gland-specific expression of Kindlin-2 induced tumor formation at the age of 55 weeks on average. Additionally, the levels of estrogen receptor and progesterone receptor were decreased, whereas human epidermal growth factor receptor 2 and β-catenin were upregulated in the Kindlin-2-induced mammary tumors. These findings demonstrated that Kindlin-2 induces mammary tumor formation via activation of the Wnt signaling pathway.Bing Li Xiaochun Chi Jiagui Song Yan Tang Juan Du Xiaokun He Xiaoran Sun Zhenwu Bi Yunling Wang Jun Zhan Hongquan Zhang 2019Science China(Life Sciences)2019,62,2:6
15CRISPR/Cas9-mediated ebony knockout results in puparium melanism in Spodoptera litura显示文摘Insect body pigmentation and coloration are critical to adaption to the environment. To explore the mechanisms that drive pigmentation, we used the clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9) genome editing system to target the ebony gene in the non-model insect Spodoptera litura. Ebony is crucial to melanin synthesis in insects. By directly injecting Cas9 messenger RNA and ebony-specific guide RNAs into S. litura embryos, we successfully induced a typical ebony-deficient phenotype of deep coloration of the puparium and induction of melanin formation during the pupal stage. Polymerase chain reaction-based genotype analysis demonstrated that various mutations had occurred at the sites targeted in ebony. Our study clearly demonstrates the function of ebony in the puparium coloration and also provides a potentially useful marker gene for functional studies in S. litura as well as other lepidopteran pests.Hong-Lun Bi Jun Xu Lin He Yong Zhang Kai Li Yong-Ping Huang 2019Insect Science2019,26,6:6
16Genome-wide identification and expression analyses of cytochrome P450 genes in mulberry(Morus notabilis)显示文摘Cytochrome P450 S play critical roles in the biosynthesis of physiologically important compounds in plants.These compounds often act as defense toxins to prevent herbivory.In the present study,a total of 174 P450 genes of mulberry(Morus notabilis C.K.Schn) were identified based on bioinformatics analyses.These mulberry P450 genes were divided into nine clans and 47 families and were found to be expressed in a tissue-preferential manner.These genes were compared to the P450 genes in Arabidopsis thaliana.Families CYP80,CYP92,CYP728,CYP733,CYP736,and CYP749 were found to exist in mulberry,and they may play important roles in the biosynthesis of mulberry secondary metabolites.Analyses of the functional and metabolic pathways of these genes indicated that mulberry P450 genes may participate in the metabolism of lipids,other secondary metabolites,xenobiotics,amino acids,cofactors,vitamins,terpenoids,and poiyketides.These results provide a foundation for understanding of the structures and biological functions of mulberry P450 genes.Bi Ma Yiwei Luo Ling Jia Xiwu Qi Qiwei Zeng Zhonghuai Xiang Ningjia He 2014Journal of Integrative Plant Biology2014,56,9:5
17A coarse-to-fine image registration method based on visual attention model显示文摘Image registration is fundamental and crucial to remote sensing.However getting highly accurate registration performance automatically and fast for large-field images consistently is a challenge.As a work around to this problem,we propose a new image registration concept based on visual attention in this paper.This concept employs the advantages of feature-based or area-based methods to improve the precision and efficiency of image registration.The key concept of proposed integrated scheme is to make optimum use of the highly prominent details in the full scene by means of visual attention computational mechanism.To testify the validation,comparisons with other classical methods are carried out on real-world images.The experimental results show that the proposed method can effectively perform on multi-view/multi-temporal remote sensing images with outstanding precision and time saving performance.FENG Jing MA Long BI FuKun ZHANG XueJing CHEN He 2014Science China(Information Sciences)2014,57,12:5
18Antiviral activity of quercetin-3-β-O-D-glucoside against Zika virus infection显示文摘Dear Editor,The 2015–2016 outbreak of Zika virus(ZIKV)fever,first reported in Brazil during early 2015(Zanluca et al.,2015),has infected millions of people and is a global public health concern.ZIKV infections are associated with fetal microcephaly,as well as neurologicalgary wong shihua he vinayakumar siragam yuhai bi majambu mbikay michel chretien xiangguo qiu 2017Virologica Sinica2017,32,6:5
19Highly pathogenic avian influenza H5N1 Clade 2.3.2.1c virus in migratory birds,2014–2015显示文摘A novel Clade 2.3.2.1c H5N1 reassortant virus caused several outbreaks in wild birds in some regions of China from late 2014 to 2015.Based on the genetic and phylogenetic analyses,the viruses possess a stable gene constellation with a Clade 2.3.2.1c HA,a H9N2-derived PB2 gene and the other six genes of Asian H5N1-origin.The Clade 2.3.2.1c H5N1 reassortants displayed a high genetic relationship to a human H5N1 strain(A/Alberta/01/2014).Further analysis showed that similar viruses have been circulating in wild birds in China,Russia,Dubai(Western Asia),Bulgaria and Romania(Europe),as well as domestic poultry in some regions of Africa.The affected areas include the Central Asian,East Asian-Australasian,West Asian-East African,and Black Sea/Mediterranean flyways.These results show that the novel Clade 2.3.2.1c reassortant viruses are circulating worldwide and may have gained a selective advantage in migratory birds,thus posing a serious threat to wild birds and potentially humans.Yuhai Bi Jianjun Chen Zhenjie Zhang Mingxin Li Tianlong Cai Kirill Sharshov Ivan Susloparov Alexander Shestopalov Gary Wong Yubang He Zhi Xing Jianqing Sun Di Liu Yingxia Liu Lei Liu Wenjun Liu Fumin Lei Weifeng Shi George F. Gao 2016Virologica Sinica2016,31,4:5
20Bevacizumab biosimilar LY01008 compared with bevacizumab(Avastin)as first-line treatment for Chinese patients with unresectable,metastatic,or recurrent non-squamous non-small-cell lung cancer:A multicenter,randomized,double-blinded,phase Ⅲ trial显示文摘Background:Previous studies have demonstrated the preclinical pharmacological and toxicological consistency,and clinical pharmacokinetic equivalence of bevacizumab biosimilar LY01008 with reference bevacizumab(Avastin).This randomized controlled trial aimed to compare the efficacy and safety of LY01008 with Avastin in first-line treatment of Chinese patients with advanced or recurrent non-squamous non-small cell lung cancer(NSCLC).Methods:StageⅢB-ⅣNSCLC patients with evaluable lesions,good physical status,and adequate organ functions from 67 centers across China were randomized in a ratio of 1:1 to receive LY01008 or Avastin 15 mg/kg intravenously in combination with paclitaxel/carboplatin(combined treatment)for 4-6 cycles,followed by maintenance monotherapy with LY01008 until disease progression,intolerable toxicity,or death.The primary endpoint was objective response rate(ORR)in accordance with Response Evaluation Criteria in Solid Tumors(RECIST)version 1.1 confirmed by independent radiological review committees(IRRC).Secondary endpoints included disease control rate(DCR),duration of response(DoR),progression-free survival(PFS),overall survival(OS),and safety.This study was registered in Clinical Trials.gov(NCT03533127).Results:Between December 15^(th),2017,and May 15^(th),2019,a total of 649 patients were randomized to the LY01008(n=324)or Avastin(n=325)group.As of September 25th,2019 for primary endpoint analysis,589 patients received ORR evaluation,with a median number of combined treatment cycles of 5(range 1-6)andmedian duration of treatment of 3.0(range 0.0-5.1)months.ORRof responseevaluable patients in the LY01008 and Avastin groups were 48.5% and 53.0%,respectively.The stratified ORR ratio was 0.91(90%CI 0.80-1.04,within the prespecified equivalence margin of 0.75-1.33).Up to May 15^(th),2020,with a median follow-up of 13.6(range 0.8-28.4)months,no notable differences in DCR,median DoR,median PFS,median OS,and 1-year OS rate were observed between the LY01008 and Avastin groups.There were no clinically meaningful differences in safety and immunogenicity across treatment groups.Conclusions:LY01008 demonstrated similarity to Avastin in terms of efficacy and safety in Chinese patients with advanced or recurrent non-squamous NSCLC.LY01008 combined with paclitaxel/carboplatin is expected to become a new treatment option for unresectable,metastatic,LY01008 and Avastin groups.There were no clinically meaningful differences in safety and immunogenicity across treatment groups.Conclusions:LY01008 demonstrated similarity to Avastin in terms of efficacy and safety in Chinese patients with advanced or recurrent non-squamous NSCLC.LY01008 combined with paclitaxel/carboplatin is expected to become a new treatment option for unresectable,metastatic,or recurrent non-squamous NSCLC patients in the first-line setting.Yuankai Shi Kaijian Lei Yuming Jia Bingqiang Ni Zhiyong He Minghong Bi Xicheng Wang Jianhua Shi Ming Zhou Qian Sun Guolei Wang Dongji Chen Yongqian Shu Lianke Liu Zhongliang Guo Yong Liu Junquan Yang Ke Wang Ke Xiao LinWu Tienan Yi Debin Sun Mafei Kang Tianjiang Ma Yimin Mao Jinsheng Shi Tiegang Tang Yan Wang Puyuan Xing Dongqing Lv Wangjun Liao Zhiguo Luo Bin Wang Xiaohong Wu Xiaoli Zhu Shuhua Han Qisen Guo Rongyu Liu Zhiwei Lu Jianyong Zhang Jian Fang Changlu Hu Yinghua Ji Guolong Liu Hong Lu Dedong Wu Junhong Zhang Shuyang Zhu Zheng Liu Wensheng Qiu Feng Ye Yan Yu Yanqiu Zhao Qinhong Zheng Jun Chen Zhanyu Pan Yiping Zhang Wenjuan Lian Bo Jiang Bo Qiu Guojun Zhang Hua Zhang Yanju Chen Yuan Chen Hongbing Duan Manxiang Li Shengming Liu Lijun Ma Hongming Pan Xia Yuan Xueli Yuan Yulong Zheng Emei Gao Li Zhao Shumin Wang Can Wu 2021Cancer Communications2021,41,9:5
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