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| 1 | The economic burden of influenza-associated outpatient visits and hospitalizations in China: a retrospective survey显示文摘Background:The seasonal influenza vaccine coverage rate in China is only 1.9%.There is no information available on the economic burden of influenza-associated outpatient visits and hospitalizations at the national level,even though this kind of information is important for informing national-level immunization policy decision-making.Methods:A retrospective telephone survey was conducted in 2013/14 to estimate the direct and indirect costs of seasonal influenza-associated outpatient visits and hospitalizations from a societal perspective.Study participants were laboratory-confirmed cases registered in the National Influenza-like Illness Surveillance Network and Severe Acute Respiratory Infections Sentinel Surveillance Network in China in 2013.Patient-reported costs from the survey were validated by a review of hospital accounts for a small sample of the inpatients.Results:The study enrolled 529 outpatients(median age:eight years;interquartile range[IQR]:five to 20 years)and 254 inpatients(median age:four years;IQR:two to seven years).Among the outpatients,22.1%(117/529)had underlying diseases and among the inpatients,52.8%(134/254)had underlying diseases.The average total costs related to influenza-associated outpatient visits and inpatient visits were US$155(standard deviation,SD US$122)and US$1,511(SD US$1,465),respectively.Direct medical costs accounted for 45 and 69%of the total costs related to influenza-associated outpatient and inpatient visits,respectively.For influenza outpatients,the mean cost per episode in children aged below five years(US$196)was higher than that in other age groups(US$129–153).For influenza inpatients,the mean cost per episode in adults aged over 60 years(US$2,735)was much higher than that in those aged below 60 years(US$1,417–1,621).Patients with underlying medical conditions had higher costs per episode than patients without underlying medical conditions(outpatients:US$186 vs.US$146;inpatients:US$1,800 vs.US$1,189).In the baseline analysis,inpatients reported costs were 18%higher than those found in the accounts review(n=38).Conclusion:The economic burden of influenza-associated outpatient and inpatient visits in China is substantial,particularly for young children,the elderly,and patients with underlying medical conditions.More widespread influenza vaccination would likely alleviate the economic burden of patients.The actual impact and cost-effectiveness analysis of the influenza immunization program in China merits further investigation. | Juan Yang Mark Jit Kathy S.Leung Ya-ming Zheng Lu-zhao Feng Li-ping Wang Eric H.Y.Lau Joseph T.Wu Hong-jie Yu | 2015 | Infectious Diseases of Poverty2015,4,1: | 44 |
| 2 | Chinese deserts and sand fields in Last Glacial Maximum and Holocene Optimum显示文摘The Last Glacial Maximum (LGM, c. 26-16 ka) and the Holocene Optimum (HO, c. 9-5 ka) were characterized by cold-dry and warm-wet climates respectively in the recently geological Earth. How Chinese deserts and sand fields responded to these distinctive climatic changes is still not clear, however. To reconstruct environments of the deserts and sand fields during the LGM and HO is helpful to understand the forcing mechanisms of environment change in this arid region, and to test paleoclimatic modeling results. Through our long-term field and laboratory investigations, 400 optically stimulated luminescence (OSL) ages and more than 100 depositional records in the Chinese deserts and sand fields were obtained; on the basis of these data, we reconstruct spatial distributions of the deserts and sand fields during the LGM and HO. Our results show that the sand fields of Mu Us, Hunshandake, Horqin and Hulun Buir in northern and northeastern China had expanded 25%, 37%, 38% and 270%, respectively, during the LGM; the sand fields of Gonghe in the northeastern Qinghai-Tibetan Plateau had expanded 20%, and the deserts of Badain Jaran, Tengger in central northern China had expanded 39% and 29% separately during the LGM; the deserts of Taklimakan, Gurbantünggüt and Kumtag in northwestern China had expanded 10%-20% respectively, compared to their modern areas. On the other hand, all of the sand fields were nearly completely covered by vegetation during the HO; the deserts in northwestern and central northern China were reduced by around 5%-20% in area during this time. Lakes in this arid region were probably expanded during the HO but this conclusion needs more investigation. Compared with the geological distributions of deserts and sand fields, human activity has clearly changed (expanded) the area of active sand dunes at the present time. Our observations show that environmental conditions of Chinese deserts and sand fields are controlled by regional climate together with human activity. | LU HuaYu YI ShuangWen XU ZhiWei ZHOU YaLi ZENG Lin ZHU FangYing FENG Han DONG LiNa ZHUO HaiXin YU KaiFeng MASON Joseph WANG XiaoYong CHEN YingYong LU Qi WU Bo DONG ZhiBao QU JianJun WANG XunMing GUO ZhengTang | 2013 | Chinese Science Bulletin2013,58,23: | 40 |
| 3 | Discovery of biclonal origin and a novel oncogene SLC12A5 in colon cancer by single-cell sequencing显示文摘单个房间的定序是为描出的一个强大的工具为个性化的癌症管理的同种细胞的关系和识别关键司机基因。这里,我们执行了结肠癌的一个盒子的单个房间的定序的分析。人口遗传分析在肿瘤房间人口识别了二独立克隆。主要肿瘤克隆作为早 oncogenic 事件怀有 APC 和 TP53 变化,而次要的克隆包含了优势的 CDC27 和 PABPC1 变化。在这二克隆的次要的克隆支持的 APC 和 TP53 变化的缺席从二细胞的起源被导出。体的变化等位基因频率系列的检查另外 21 个整个织物的定序 exome 的盒子在结肠癌揭示了同种细胞的起源的异质。下次,我们识别了在单个房间的水平显示出变化的高频率,但是在人口水平展出了低流行的变异的基因 SLC12A5。变异的 SLC12A5 的功能的描述在结肠癌揭示了它的潜在的 oncogenic 效果。我们的学习在单个房间的水平支持提供第一条 exome 宽的证据那结肠癌能具有 biclonal 起源,并且建议在一个队的低流行的变化可以也在单个水平起重要 protumorigenic 作用。 | Chang Yu Jun Yu Xlaotlan Yao Wllham KK Wu Youyong Lu Senwel Tang Xiangchun Li Li Bao Xiaoxing Li Yong Hou Renhua Wu Min Jian Ruoyan Chen Fan Zhang Lixia Xu Fan Fan Jun He Qiaoyi Liang Hongyi Wang Xueda Hu Minghui He Xiang Zhang Hancheng Zheng Qibin Li Hanjie Wu Yan Chen Xu Yang Shida Zhu Xun Xu Huanming Yang Jian Wang Xiuqing Zhang Joseph JY Sung Yingrui Li Jun Wang | 2014 | Cell Research2014,,6: | 16 |
| 4 | Constituents of the anti-asthma herbal formula ASHMI^(TM) synergistically inhibit IL-4 and IL-5 secretion by murine Th2 memory cells,and eotaxin by human lung fibroblasts in vitro显示文摘OBJECTIVE:Anti-asthma herbal medicine intervention(ASHMI ),a combination of three traditional Chinese medicinal herbs developed in our laboratory,has demonstrated efficacy in both mouse models of allergic asthma,and a double-blind placebo-controlled clinical trial in patients with asthma.This study was designed to determine if the anti-inflammatory effects of individual herbal constituents of ASHMI? exhibited synergy. METHODS:Effects of ASHMI and its components aqueous extracts of Lingzhi(Ganoderma lucidum),Kushen(Sophora flavescens) and Gancao(Glycyrrhiza uralensis),on Th2 cytokine secretion by murine memory Th2 cells(D10.G4.1) and eotaxin-1 secretion by human lung fibroblast(HLF-1) cells were determined by measuring levels in culture supernatants by enzymelinked immunosorbent assay.Potential synergistic effects were determined by computing interaction indices from concentration-effect curve parameters. RESULTS:Individual Lingzhi,Kushen and Gancao extracts and ASHMI(the combination of individual extracts) inhibited production of interleukin(IL)-4 and IL-5 by murine memory Th2 cells and eotaxin-1 production by HLF-1 cells.The mean 25%-inhibitory-concentration(IC25) values(mg/mL) for ASHMI,Lingzhi,Kushen and Gancao for IL-4 production were 30.9,79.4, 123,and 64.6,respectively;for IL-5 production were 30.2,263,123.2 and 100,respectively; for eotaxin-1 were 13.2,16.2,30.2,and 25.1,respectively.The IC50 values(mg/mL) for ASHMI,Lingzhi,Kushen and Gancao for IL-4 production were 158.5,239.9,446.7,and 281.8, respectively;for eotaxin-1 were 38.1,33.1,100,and 158.5,respectively.The interaction indices of ASHMI constituents at IC25 were 0.35 for IL-4,0.21 for IL-5 and 0.59 for eotaxin-1.The interaction indices at IC50 values were 0.50 for IL-4 and 0.62 for eotaxin-1 inhibition.Inhibition of IL-5 did not reach IC50 values.All interaction indices were below 1 which indicated synergy. CONCLUSION:By comparing the interaction index values,we find that constituents in ASHMI? synergistically inhibited eotaxin-1 production as well as Th2 cytokine production. | Bolleddula Jayaprakasam Nan Yang Ming-Chun Wen Rong Wang Joseph Goldfarb Hugh Sampson Xiu-Min Li | 2013 | Journal of Integrative Medicine2013,11,3: | 15 |
| 5 | Platelets generated from human embryonic stem cells are functional in vitro and in the microcirculation of living mice显示文摘 | Shi-Jiang Lu Feng Li Hong Yin Qiang Feng Erin A Kimbrel Eunsil Hahm Jonathan N Thon Wei Wang Joseph E ltaliano Jaehyung Cho Robert Lanza | 2011 | Cell Research2011,21,3: | 14 |
| 6 | Saponins from Roots of Panax notoginseng显示文摘Objective To study the chemical constituents in the dried roots of Panax notoginseng.Methods The constituents were isolated and purified with chromatographic methods.Their structures were elucidated by spectroscopic methods(1D,2D NMR,UV,IR,[α]D,and HRESI-TOF-MS)and chemical analyses.Results Twenty saponins including 20(S)-ginsenoside Rh1(1),6-O-β-D-(6′-acetyl)-glucopyranosyl-24-ene-dammar-3β,6α,12β,20S-tetraol(2),ginseno-side Rf(3),notoginsenoside R2(4),ginsenoside Rg2(5),ginsenoside Rg1(6),notoginsenoside Rt(7),koryoginsenoside R1(8),6-O-(β-D-glucopyranosyl)-20-O-(β-D-xylopyranosyl)-3β,6α,12β,20(S)-tetrahydroxy-dammar-24-ene(9),pseudoginsenoside Rt3(10),notoginsenoside R1(11),ginsenoside Re(12),notoginsenoside N(13),ginsenoside F1(14),ginsenoside U(15),ginsenoside Rk3(16),3β,12β-dihydroxydammar-(E)-20(22),24-diene-6-O-β-D-xylopyranosyl-(1→2)-β-D-glucopyranoside(17),ginsenoside Rh4(18),pseudoginsenoside Rt5(19),and vinaginsenoside R22(20)were obtained.Conclusion Compounds 2,19,and 20 are isolated from this species for the first time.The 1H-NMR data of compound 19 and1H-NMR and 13C-NMR data of compound 20 are first reported.Meanwhile,the NMR data ofβ-D-xylopyranosyl group in compound 9 is corrected. | Li-feng Han Kaunda Joseph Sakah Li-li Liu Agyemang Kojo Tao Wang Yi Zhang | 2014 | Chinese Herbal Medicines2014,6,2: | 13 |
| 7 | A commentary review on the use of normalized diff erence vegetation index(NDVI)in the era of popular remote sensing显示文摘The Normalized Diff erence Vegetation Index(NDVI),one of the earliest remote sensing analytical products used to simplify the complexities of multi-spectral imagery,is now the most popular index used for vegetation assessment.This popularity and widespread use relate to how an NDVI can be calculated with any multispectral sensor with a visible and a near-IR band.Increasingly low costs and weights of multispectral sensors mean they can be mounted on satellite,aerial,and increasingly—Unmanned Aerial Systems(UAS).While studies have found that the NDVI is effective for expressing vegetation status andquantified vegetation attributes,its widespread use and popularity,especially in UAS applications,carry inherent risks of misuse with end users who received little to no remote sensing education.This article summarizes the progress of NDVI acquisition,highlights the areas of NDVI application,and addresses the critical problems and considerations in using NDVI.Detailed discussion mainly covers three aspects:atmospheric eff ect,saturation phenomenon,and sensor factors.The use of NDVI can be highly eff ective as long as its limitations and capabilities are understood.This consideration is particularly important to the UAS user community. | Sha Huang Lina Tang Joseph P.Hupy Yang Wang Guofan Shao | 2021 | Journal of Forestry Research2021,32,1: | 12 |
| 8 | A new prognostic histopathologic classification of nasopharyngeal carcinoma显示文摘Background:The current World Health Organization(WHO) classification of nasopharyngeal carcinoma(NPC) con?veys little prognostic information.This study aimed to propose an NPC histopathologic classification that can poten?tially be used to predict prognosis and treatment response.Methods:We initially developed a histopathologic classification based on the morphologic traits and cell differentia?tion of tumors of 2716 NPC patients who were identified at Sun Yat?sen University Cancer Center(SYSUCC)(training cohort).Then,the proposed classification was applied to 1702 patients(retrospective validation cohort) from hospitals outside SYSUCC and 1613 patients(prospective validation cohort) from SYSUCC.The efficacy of radiochemotherapy and radiotherapy modalities was compared between the proposed subtypes.We used Cox proportional hazards models to estimate hazard ratios(HRs) with 95% confidence intervals(CI) for overall survival(OS).Results:The 5?year OS rates for all NPC patients who were diagnosed with epithelial carcinoma(EC;3708 patients),mixed sarcomatoid?epithelial carcinoma(MSEC;1247 patients),sarcomatoid carcinoma(SC;823 patients),and squamous cell carcinoma(SCC;253 patients) were 79.4%,70.5%,59.6%,and 42.6%,respectively(P < 0.001).In mul?tivariate models,patients with MSEC had a shorter OS than patients with EC(HR = 1.44,95% CI = 1.27–1.62),SC(HR = 2.00,95% CI = 1.76–2.28),or SCC(HR = 4.23,95% CI = 3.34–5.38).Radiochemotherapy significantly improved survival compared with radiotherapy alone for patients with EC(HR 49–0.75),and possibly for those with SCC(HR = 0.67,95% CI = 0.56–0.80),MSEC(HR = 0.58,95% CI = 0..74–1.28).= 0.63;95% CI = 0.40–0.98),but not for patients with SC(HR = 0.97,95% CI = 0Conclusions:The proposed classification offers more information for the prediction of NPC prognosis compared with the WHO classification and might be a valuable tool to guide treatment decisions for subtypes that are associ?ated with a poor prognosis. | Hai-Yun Wang Yih-Leong Chang Ka-Fai To Jacqueline S.G.Hwang Hai-Qiang Mai Yan-Fen Feng Ellen T.Chang Chen-Ping Wang Michael Koon Ming Kam Shie-Lee Cheah Ming Lee Li Gao Hui-Zhong Zhang Jie-Hua He Hao Jiang Pei-Qing Ma Xiao-Dong Zhu Liang Zeng Chun-Yan Chen Gang Chen Ma-Yan Huang Sha Fu Qiong Shao An-Jia Han Hai-Gang Li Chun-Kui Shao Pei-Yu Huang Chao-Nan Qian Tai-Xiang Lu Jin-Tian Li Weimin Ye Ingemar Ernberg Ho Keung Ng Joseph T.S.Wee Yi-Xin Zeng Hans-Olov Adami Anthony T.C.Chan Jian-Yong Shao | 2016 | Chinese Journal of Cancer2016,35,6: | 10 |
| 9 | Expression of miR-15/107 Family MicroRNAs in Human Tissues and Cultured Rat Brain Cells显示文摘The miR-15/107 family comprises a group of 10 paralogous microRNAs(miRNAs),sharing a 50AGCAGC sequence.These miRNAs have overlapping targets.In order to characterize the expression of miR-15/107 family miRNAs,we employed customized TaqMan Low-Density micro-fluid PCR-array to investigate the expression of miR-15/107 family members,and other selected miRNAs,in 11 human tissues obtained at autopsy including the cerebral cortex,frontal cortex,primary visual cortex,thalamus,heart,lung,liver,kidney,spleen,stomach and skeletal muscle.miR-103,miR-195 and miR-497 were expressed at similar levels across various tissues,whereas miR-107 is enriched in brain samples.We also examined the expression patterns of evolutionarily conserved miR-15/107 miRNAs in three distinct primary rat brain cell preparations(enriched for cortical neurons,astrocytes and microglia,respectively).In primary cultures of rat brain cells,several members of the miR-15/107 family are enriched in neurons compared to other cell types in the central nervous system(CNS).In addition to mature miRNAs,we also examined the expression of precursors(pri-miRNAs).Our data suggested a generally poor correlation between the expression of mature miRNAs and their precursors.In summary,we provide a detailed study of the tissue and cell type-specific expression profile of this highly expressed and phylogenetically conserved family of miRNA genes. | Wang-Xia Wang Robert J.Danaher Craig S.Miller Joseph R.Berger Vega G.Nubia Bernard S.Wilfred Janna H.Neltner Christopher M.Norris Peter T.Nelson | 2014 | Genomics, Proteomics & Bioinformatics2014,12,1: | 9 |
| 10 | Angiosperm phylogeny inferred from sequences of four mitochondrial genes显示文摘An angiosperm phylogeny was reconstructed in a maximum likelihood analysis of sequences of four mitochondrial genes,atp1,matR,nad5,and rps3,from 380 species that represent 376 genera and 296 families of seed plants.It is largely congruent with the phylogeny of angiosperms reconstructed from chloroplast genes atpB,matK,and rbcL,and nuclear 18S rDNA.The basalmost lineage consists of Amborella and Nymphaeales(including Hydatellaceae).Austrobaileyales follow this clade and are sister to the mesangiosperms,which include Chloranthaceae,Ceratophyllum,magnoliids,monocots,and eudicots.With the exception of Chloranthaceae being sister to Ceratophyllum,relationships among these five lineages are not well supported.In eudicots,Ranunculales,Sabiales,Proteales,Trochodendrales,Buxales,Gunnerales,Saxifragales,Vitales,Berberidopsidales,and Dilleniales form a basal grade of lines that diverged before the diversification of rosids and asterids.Within rosids,the COM(Celastrales-Oxalidales-Malpighiales) clade is sister to malvids(or rosid II),instead of to the nitrogen-fixing clade as found in all previous large-scale molecular analyses of angiosperms.Santalales and Caryophyllales are members of an expanded asterid clade.This study shows that the mitochondrial genes are informative markers for resolving relationships among genera,families,or higher rank taxa across angiosperms.The low substitution rates and low homoplasy levels of the mitochondrial genes relative to the chloroplast genes,as found in this study,make them particularly useful for reconstructing ancient phylogenetic relationships.A mitochondrial gene-based angiosperm phylogeny provides an independent and essential reference for comparison with hypotheses of angiosperm phylogeny based on chloroplast genes,nuclear genes,and non-molecular data to reconstruct the underlying organismal phylogeny. | Yin-Long QIU Libo LI Bin WANG Jia-Yu XUE Tory A. HENDRY Rui-Qi LI Joseph W. BROWN Yang LIU Geordan T. HUDSON Zhi-Duan CHEN | 2010 | Journal of Systematics and Evolution2010,48,6: | 8 |
| 11 | Emergent Endoscopic Retrograde Cholangiopancreatography with Placement of Biliary Double Stents to Salvage Endoscopic Retrograde Cholangiopancreatography-lnduced Stapfer's Type Ⅱ Perforation显示文摘 | Ping Yue Wen-Bo Meng Joseph W Leung Lei Zhang Xiao-Liang Zhu Hui Zhang Hai-Ping Wang Zheng-Feng Wang Ke-Xiang Zhu Long Miao Wen-Ce Zhou Xun Li | 2018 | Chinese Medical Journal2018,,19: | 7 |
| 12 | Insight into atmospheric corrosion evolution of mild steel in a simulated coastal atmosphere显示文摘The corrosion behavior of mild steel in a simulated coastal atmosphere environment has been investigated by the indoor accelerated wet/dry cyclic corrosion acceleration test(CCT),scanning electron microscopy(SEM),Raman spectroscopy and electrochemical measurements.During the CCT test of 60 cycles,the evolution of logarithmic(corrosion rate)vs.logarithmic(CCT cycles)presents a turning point at the 5th cycle,presenting a tendency to increase first and then decrease to gradually stabilize as the CCT cycle prolonged.Before the 5th cycle,γ-FeOOH andβ-FeOOH and Fe_(3)O_(4)were detected,respectively.And then,α-FeOOH as a new chemical composition was detected in the subsequent corrosion cycles.It is found that,after long term corrosion,the rust separated into a relatively dense inner layer rich withα-FeOOH and a loose outer layer rich withγ-FeOOH,both of which have poor electrical conductivity.The rapid increase of corrosion rate in the early stage since reducible corrosion products are involved in the reduction process of the cathode which promotes the dissolution of the anodic metal substrate.Afterward,as the rust layer thickens,the resistance of the rust increases,and the aggressive ions diffusion is blocked,gradually suppressing the electrochemical corrosion process.At last,when the composition and distribution of the rust layer remain stable,the corrosion presents a fluctuating speed around a certain value during the cracking and self-repairing process of the rust layer. | Yue Wang Xin Mu Junhua Dong Aniefiok Joseph Umoh Wei Ke | 2021 | Journal of Materials Science & Technology2021,,17: | 7 |
| 13 | Effects of Enriched Biochars Containing Magnetic Iron Nanoparticles on Mycorrhizal Colonisation,Plant Growth,Nutrient Uptake and Soil Quality Improvement显示文摘At present, there is little commercial sale of biochar, since farmers find they can not gain a return on their investment in this amendment in the first few years after its application, because of the high cost associated with large application rates. To overcome this constraint, development of artificially aged enriched biochar-mineral complexes(BMCs), having a higher mineral content, surface functionality, exchangeable cations, high concentration of magnetic iron(Fe) nanoparticles, and higher water-extractable organic compounds has been undertaken by a combined team of researchers and a commercial company. Two biochars produced under different pyrolysis conditions were activated with a phosphoric acid treatment. A mixture of clay, chicken litter, and minerals were added to the biochar, and then this composite was torrefied at either 180 or 220?C. In this study a pot experiment was carried out in glasshouse conditions to determine the effects of four different BMCs, with different formulations applied at rates of 100 and 200 kg ha-1, on the mycorrhizal colonisation, wheat growth and nutrient uptake, and soil quality improvement. It was found that the phosphorus(P) and nitrogen uptake in wheat shoots were significantly greater for a low application rate of BMCs(100 kg ha-1). The present formulation of BMC was effective in enhancing growth of wheat at low application rate(100 kg ha-1). The increase in growth appeared due to an increase in P uptake in the plants that could be partly attributed to an increase in mycorrhizal colonisation and partly due to the properties of the BMC. | Stephen JOSEPH Hossain M.ANAWAR Paul STORER Paul BLACKWELL Chee CHIA Yun LIN Paul MUNROE Scott DONNE Josip HORVAT Jianli WANG Zakaria M.SOLAIMAN | 2015 | Pedosphere2015,25,5: | 7 |
| 14 | Re–Os Dating of Bitumen from Paleo–Oil Reservoir in the Qinglong Antimony Deposit, Guizhou Province, China and Its Geological Significance显示文摘Abundant organic inclusions are present in the Qinglong antimony deposit. However, the source rocks of these organic matters have not been reliably identified. Recently, a paleo–oil reservoir was found in the Qinglong antimony deposit. In view of similar components of gaseous hydrocarbon, we propose that the organic matters observed in inclusions in Qinglong antimony deposit would come from this paleo–oil reservoir. We used the Re–Os dating method to determine the age of the bitumen from this paleo–oil reservoir, and obtained an isochron age of 254.3±2.8 Ma. The age indicates that the oilgeneration from source rock occurred in the early Late Permian, earlier than the Sb mineralization age(~148±8.5 Ma) in the Qinglong antimony deposit area. After oil generation from Devonian source rock, first and secondary migration, the crude oil have probably entered into the fractures and pores of volcanic rocks and limestone and formed a paleo–oil reservoir in the western wing of Dachang anticline. As burial process deepened, the crude oil has turned into natural gas, migrates into the core of Dachang anticline and formed a paleo–gas reservoir. The hydrocarbons(including CH_4) in the reservoirs can serve as reducing agent to provide the sulfur required for Sb mineralization through thermal chemical reduction of sulfates. Therefore, the formation of oil–gas in the area is a prerequisite for the Sb mineralization in the Qinglong antimony deposit. | WANG Pengpeng HU Yuzhao LIU Lu JIANG Xiaojun LI Chao Chad Joseph Bartholomew ZHANG Guiquan | 2017 | Acta Geologica Sinica(English Edition)2017,91,6: | 6 |
| 15 | Operation characteristics of AMS-02 loop heat pipe with bypass valve显示文摘Loop heat pipes (LHPs) were designed for the alpha magnetic spectrometer (AMS-02) to dissipate heat from the cryocoolers. A bypass valve is applied to the LHP to keep the cryocooler temperature above its limit ( 20°C) in cold environment. Extensive experiments were performed on operation characteristics of LHPs with the bypass valve for AMS-02 during thermal vacuum and thermal balance (TVTB) test. We found that the bypass valve can start up successfully in cold environment. With the bypass valve, the evaporator temperature is stable and can meet the requirement of the cryocooler. We analyzed three operating modes of the bypass valve. Set point temperature and regulation temperature shifts were observed and their relations with the bypass valve temperature were given. | WANG NaiHua Joseph BURGER LUO Feng CUI Zheng XIN GongMin DU WenJing SONG JiWei CHEN Yan CHENG Lin | 2011 | Science China(Technological Sciences)2011,54,7: | 6 |
| 16 | High salt diet accelerates the progression of murine lupus through dendritic cells via the p38 MAPK and STAT1 signaling pathways显示文摘The increased incidence of systemic lupus erythematosus(SLE)in recent decades might be related to changes in modern dietary habits.Since sodium chloride(NaCl)promotes pathogenic T cell responses,we hypothesize that excessive salt intake contributes to the increased incidence of autoimmune diseases,including SLE.Given the importance of dendritic cells(DCs)in the pathogenesis of SLE,we explored the influence of an excessive sodium chloride diet on DCs in a murine SLE model.We used an induced lupus model in which bone marrow-derived dendritic cells(BMDCs)were incubated with activated lymphocyte-derived DNA(ALD-DNA)and transferred into C57BL/6 recipient mice.We observed that a high-salt diet(HSD)markedly exacerbated lupus progression,which was accompanied by increased DC activation.NaCl treatment also stimulated the maturation,activation and antigenpresenting ability of DCs in vitro.Pretreatment of BMDCs with NaCl also exacerbated BMDC-ALD-DNA-induced lupus.These mice had increased production of autoantibodies and proinflammatory cytokines,more pronounced splenomegaly and lymphadenopathy,and enhanced pathological renal lesions.The p38 MAPK–STAT1 pathway played an important role in NaClinduced DC immune activities.Taken together,our results demonstrate that HSD intake promotes immune activation of DCs through the p38 MAPK–STAT1 signaling pathway and exacerbates the features of SLE.Thus,changes in diet may provide a novel strategy for the prevention or amelioration of lupus or other autoimmune diseases. | Ze Xiu Xiao Xiaojiang Hu Ximei Zhang Zhigang Chen Julie Wang Ke Jin Feng Lin Cao Baoqing Sun Joseph A.Bellanti Nancy Olsen Song Guo Zheng | 2020 | Signal Transduction and Targeted Therapy2020,5,1: | 6 |
| 17 | Supermicrosurgery in fingertip defects-split tibial flap of the second toe to reconstruct multiple fingertip defects: A case report显示文摘BACKGROUND Injuries to multiple fingertips pose a significant treatment dilemma.Numerous reconstructive options exist,all with the ultimate goal of restoring function and sensibility to the injured fingertips.CASE SUMMARY A 24-year-old male suffered injury to multiple fingertips of the right hand,resulting in exposed distal phalanges of the middle,ring,and small fingers.The amputated distal stumps were not possible for replantation.Free flap coverage was selected in order to achieve better functional outcome.The fingertip defects were covered by performing a right second toe split tibial flap using local anesthesia at the harvest site and brachial plexus nerve block for the right upper extremity.At 6-month follow-up,all three of the reconstructed fingertips had some preserved nail growth,Semmes-Weinstein Monofilaments testing was equal to the contralateral side and the Static Two-Point Discrimination were comparable to the contralateral side.CONCLUSION This report provides a novel reconstructive option for the management of multiple fingertip injuries and demonstrates the utility of supermicrosurgery in management of these injuries. | Ke-Lie Wang Zi-Qing Zhang Joseph A Buckwalter Yi Yang | 2019 | World Journal of Clinical Cases2019,7,17: | 5 |
| 18 | Cell cycle-related kinase reprograms the liver immune microenvironment to promote cancer metastasis显示文摘The liver is an immunologically tolerant organ and a common metastatic site of multiple cancer types.Although a role for cancer cell invasion programs has been well characterized,whether and how liver-intrinsic factors drive metastatic spread is incompletely understood.Here,we show that aberrantly activated hepatocyte-intrinsic cell cycle-related kinase(CCRK)signaling in chronic liver diseases is critical for cancer metastasis by reprogramming an immunosuppressive microenvironment.Using an inducible liverspecific transgenic model,we found that CCRK overexpression dramatically increased both B16F10 melanoma and MC38 colorectal cancer(CRC)metastasis to the liver,which was highly infiltrated by polymorphonuclear-myeloid-derived suppressor cells(PMNMDSCs)and lacking natural killer T(NKT)cells.Depletion of PMN-MDSCs in CCRK transgenic mice restored NKT cell levels and their interferon gamma production and reduced liver metastasis to 2.7% and 0.7%(metastatic tumor weights)in the melanoma and CRC models,respectively.Mechanistically,CCRK activated nuclear factor-kappa B(NF-κB)signaling to increase the PMN-MDSC trafficking chemokine C-X-C motif ligand 1(CXCL1),which was positively correlated with liver-infiltrating PMN-MDSC levels in CCRK transgenic mice.Accordingly,CRC liver metastasis patients exhibited hyperaaivation of hepatic CCRK/NF-κB/CXCL1 signaling,which was associated with accumulation of PMN-MDSCs and paucity of NKT cells compared to healthy liver transplantation donors.In summary,this study demonstrates that immunosuppressive reprogramming by hepatic CCRK signaling undermines antimetastatic immunosurveillance.Our findings offer new mechanistic insights and therapeutic targets for liver metastasis intervention. | Xuezhen Zeng Jingying Zhou Zhewen Xiong Hanyong Sun Weiqin Yang Myth T.S.Mok Jing Wang Jingqing Li Man Liu Wenshu Tang Yu Feng Hector Kwong-Sang W ang Shun-Wa Tsang King-Lau Chow Philip Chun Yeung John Wong Paul Bo-San Lai Anthony Wing-Hung Chan Ka Fai To Stephen Lam Chan Qiang Xia Jing Xue Xiao Chen Jun Yu Sui Peng Joseph Jao-Yiu Sung Ming Kuang Alfred Sze-Lok Cheng | 2021 | Cellular & Molecular Immunology2021,18,4: | 5 |
| 19 | Design and synthesis by redox polymerization of a bio-based carboxylic elastomer for green tire显示文摘Poly(dibutyl itaconate-co-isoprene-co-methacrylic acid)(PDIM) elastomer was designed and synthesized by redox emulsion polymerization under mild conditions. PDIM has high molecular weight, relatively high yield, and low glass transition temperature(Tg). The structure of PDIM was determined by FTIR and NMR, and the carboxyl content was obtained by titration in a non-proton solvent. Tensile strength and elongation at break increased with increasing carboxyl content. In addition, the interaction between PDIM and silica was elucidated by rubber process analyzer(RPA) and TEM, and the results showed that the silica-PDIM interaction was strong, but the silica-silica interaction was weak. | Xinxin Zhou Runguo Wang Weiwei Lei He Qiao Haoling Ji Liqun Zhang Kuo-Chih Hua Joseph Kulig | 2015 | Science China Chemistry2015,58,10: | 4 |
| 20 | Design and experimental study of thermal control system for AMS cryocoolers显示文摘The Alpha Magnetic Spectrometer(AMS) is an instrument for the international scientific experiment,composed of six detectors and 650 micro-electronics.The objective of AMS experiment is to search for dark matter and anti-matter in space.In this paper,the thermal control system for AMS cryocoolers is designed,analyzed and experimentally studied.Using loop heat pipes(LHPs) as the main heat dissipation component,the thermal control system has sufficient heat dissipation capability to prevent the cryocoolers from over temperature(+40℃) in hot environment,meanwhile to ensure temperatures of the cryocoolers higher than their lower limit(-20℃) in cold environment.Experiment results show that the thermal control system for AMS cryocoolers functions stably satisfying design specification. | WANG NaiHua JOSEPH Burger CHENG Lin | 2013 | Chinese Science Bulletin2013,58,10: | 4 |