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Chinese Science Bulletin 2002年第3期47卷 217-220页

作者： zhang, lj Yan, J Liang, QW Huang, BJ Zeng, YX Fang, Y Sun Yat Sen Univ Med Sci Canc Ctr Canc Inst Guangzhou 510060 Peoples R China

Many genes may be involved in nasopharyn-geal carcinoma (NPC) development and progression. Several known oncogenes, including c-myc and c-erb-B2, have been shown to have structural alteration and aberrant expression in NPC. Here, we constructed a tissue microarray to deter-mine the status of c-myc and c-erbB-2 oncogenes at the DNA and protein levels using interphase fluorescence in situ hy-bridization (FISH) and immunohistochemistry (IHC) and to define the diagnostic, prognostic importance of the genetic changes. Results showed that amplification of c-myc and c-erbB-2 was not found in NPC. Polysemy 8 and 17 were observed in 43%-50% and 20%-27% of NPC tumors, respectively. Overexpressions of c-myc and c-erbB-2 onco-proteins were detected in 53.6% and 54.5% cases of NPC with polysomy 8 and 17, respectively. There was no signifi-cant correlation between c-myc and c-erbB-2 staining and the clinical stage. But overexpression of c-erbB-2 was associ-ated with polysemy 17 in NPC. These findings suggest that

关键词： nasopharyngeal carcinoma c-myc c-erbB-2 tissue mi-croarray chromosomal polysomy.

First report of human infection by Rhodoplanes sp.,Alphaproteobacteria in China

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Asian Pacific Journal of Tropical Medicine 2011年第3期4卷 248-250页

作者： zhang lj Wang GQ Yu HL Wang J Wang SW Jia Y Yu YY Xu JG Department of Rickettsiology National Institute of Communicable Disease Control and PreventionChina CDC Department of Infectious Diseases Peking University First Hospital Department of Infectious Diseases Peking UniversityFirst Hospital

We isolated a novel strain of Alphaproteobacteria from a patient,who had medical history of chronic rhinitis for more than twenty years and recently experienced local skin abscess and ulcer. He eventually died of multiple organ failure due to multi-antibiotics *** identified the microorganism by 16SrRNA sequencing and found that it belonged to the genus Rhodoplanes. It was named as Rhodoplanes *** *** is resumed that Rhodoplanes *** Zlj-0 might be an emerging human pathogen involving in unknown febrile conditions and could cause local infection of any tissues or *** diagnosis of febrile patients should be conducted in clinical practice and research on emerging pathogens of Alphaproteobacteria should be performed to determine the epidemiology,clinical symptoms and pathogenic features of these pathogens.

关键词： Rhodoplanes sp. Infection Alphaproteobacteria Isolation Pathogen

Comparison of the freely-moving telemetry Chinese Miniature experiment pig and Beagle dogs in cardiovascular safety pharmacology studies

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Comparison of the freely-moving telemetry Chinese Miniature ...

碱性成纤维细胞生长因子基因转移对成骨细胞生长特性的影响

中国毒理学会第六届全国毒理学大会

作者： YUAN Hai-tao ZHAO J GUO JB CUI YX FENG M WU RQ zhang TF RONG J GUO Q zhang lj HUANG C PENG Shuang-qing Evaluation and Research Centre for Toxicology Institute of Disease Control and PreventionAcademy of Military Medical Sciences

＜正＞OBJECTIVE To investigated the effects of gavage administration,daily feeding and circadian cycle on the cardiovascular parameters of both telemetry dogs and minipigs to illustrate whether minipig as an alternative is comparable to dog in cardiovascular safety *** Beagle dogs and Chinese Miniature Experiment Pigs were implanted with telemetry transmitters and the influences of the procedures of gavage administration,feeding and circadian cycle on ECG signal quality, blood pressure,heart rate,body temperature and locomotor activity were investigated during a 12-h light/12-h dark recording *** The ECG signal quality from telemetry minipig was superior to *** ECG signal quality,elevated HR,BP and locomotor activity were associated with the procedure of gavage administration and feeding in both *** ECG signal quality,BP and locomotor activity were recovered much faster in minipigs than in dogs both after gavage and feeding.A residual elevation of HR was found in minipigs lasting about 4 h *** was a clear circadian rhythm of locomotor activity in both species and the minipig was less active during the light period compared to dogs.A significant increased body temperature during the dark period not associated with feeding was observed in *** Our results indicate that the telemetry freely-moving Chinese experimental minipig is a valuable alternative to beagle dog for cardiovascular safety pharmacology studies.

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中国组织工程研究与临床康复 2007年第41期11卷 8238-8241页

作者：张丽君丁焕文王捷郭勇深圳职业技术学院生物应用技术系解放军广州军区广州总医院广东省广州市510010 解放军广州军区广州总医院华南理工大学生物工程学院

目的:碱性成纤维细胞生长因子(Basic fibroblast growth factor,bFGF)对骨组织的损伤有修复作用,许多体内外实验均表明外源性植入碱性成纤维细胞生长因子能明显促进骨形成过程。观察碱性成纤维细胞生长因子基因转移对成骨细胞生长特性... 详细信息

目的:碱性成纤维细胞生长因子(Basic fibroblast growth factor,bFGF)对骨组织的损伤有修复作用,许多体内外实验均表明外源性植入碱性成纤维细胞生长因子能明显促进骨形成过程。观察碱性成纤维细胞生长因子基因转移对成骨细胞生长特性的影响。方法:实验于2003-01/07在解放军广州军区总医院医学实验科完成。成年雄性新西兰白兔,体质量1.5～2.5kg,采用聚乙烯亚胺(jetPEITM)介导真核分泌表达载体pcDNA3.1-bFGF及非分泌表达载体pEGFP-C3-bFGF转染原代培养的成骨细胞,消化收集转染成骨细胞以及未经转染的成骨细胞,利用血细胞计数器进行细胞计数,绘制细胞生长曲线,同时测定DNA浓度、碱性磷酸酶及骨钙素含量的变化。结果:①未转染的细胞在第8天进入稳定期,而经转染的细胞在第10天才进入稳定期。未转染细胞最终达到的细胞数量为(1.70±0.02)×109L-1,而经转染的细胞数量为(2.10±0.03)×109L-1,差异显著(P0.05)。结论:①经pcDNA3.1-bFGF及pEGFP-C3-bFGF重组质粒转染后,成骨细胞的生长特性有一定的变化,与添加外源碱性成纤维细胞生长因子的影响基本相同。②pcDNA3.1-bFGF转染的细胞分泌的碱性成纤维细胞生长因子能够促进细胞分裂增殖,降低碱性磷酸酶的表达,而pEGFP-C3-bFGF转染的细胞不能分泌表达蛋白,难以发挥其生物学功能。

关键词：碱性成纤维细胞生长因子基因转移成骨细胞

Glucocorticoid receptor signaling in the brain and its involvement in cognitive function

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Neural Regeneration Research 2025年第9期20卷 2520-2537页

作者： Chonglin Su Taiqi Huang Meiyu zhang Yanyu zhang Yan Zeng Xingxing Chen Brain Science and Advanced Technology Institute Hubei Province Key Laboratory of Occupational Hazard Identification and ControlSchool of MedicineWuhan University of Science and TechnologyWuhanHubei ProvinceChina

The hypothalamic-pituitary-adrenal axis regulates the secretion of glucoco rticoids in response to environmental *** the brain,a nuclear receptor transcription fa ctor,the glucocorticoid recepto r,is an important component of the hypothalamicpituitary-a d renal axis's negative feedback loop and plays a key role in regulating cognitive equilibrium and *** glucoco rticoid receptor influences cognitive processes,including glutamate neurotransmission,calcium signaling,and the activation of brain-derived neurotrophic factor-mediated pathways,through a combination of genomic and non-genomic *** interactions within the central nervous system can alter the expression and activity of the glucocorticoid receptor,there by affecting the hypothalamic-pituitary-a d renal axis and stress-related cognitive *** appropriate level of glucocorticoid receptor expression can improve cognitive function,while excessive glucocorticoid receptors or long-term exposure to glucoco rticoids may lead to cognitive *** with cognitive impairment-associated diseases,such as Alzheimer's disease,aging,depression,Parkinson's disease,Huntington's disease,stroke,and addiction,often present with dysregulation of the hypothalamic-pituitary-adrenal axis and glucocorticoid receptor *** review provides a comprehensive overview of the functions of the glucoco rticoid receptor in the hypothalamic-pituitary-a d renal axis and cognitive *** emphasizes that appropriate glucocorticoid receptor signaling fa cilitates learning and memory,while its dysregulation can lead to cognitive *** provides clues about how glucocorticoid receptor signaling can be targeted to ove rcome cognitive disability-related disorders.

关键词： brain-derived neurotrophic factor calcium signaling glucocorticoid receptor glucocorticoid glutamate transmission hypothalamic-pituitary-adrenal axis long-term potentiation neurocognitive disorders neuroplasticity stress

Dielectric-ion-conductive ZnNb2O6 layer enabling rapid desolvation and diffusion for dendrite-free Zn metal batteries

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Journal of Energy Chemistry 2025年第1期100卷 693-701页

作者： Haifeng Yang Jian Wang Panpan zhang Xiaomin Cheng Qinghua Guan Jing Dong Bixian Chen Lujie Jia Jing zhang Yongzheng zhang Yunjian Liu Hongzhen Lin School of Materials Science and Engineering Jiangsu University i-Lab & CAS Key Laboratory of Nanophotonic Materials and Devices Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Helmholtz Institute Ulm (HIU) Karlsruhe Institute of Technology (KIT) School of Materials Science and Engineering Xi'an University of Technology State Key Laboratory of Chemical Engineering East China University of Science and Technology

Rechargeable aqueous zinc-metal batteries （AZMBs） are promising candidates for large-scale energy storage systems due to their low cost and high ***,their performance and sustainability are significantly hindered by the sluggish desolvation kinetics at the electrode/electrolyte interface and the corresponding hydrogen evolution reaction where active water molecules tightly participate in the Zn（H2O）62+solvation ***,learnt from self-generated solid electrolyte interphase （SEI） in anodes,the dielectric but ion-conductive zinc niobate nanoparticles artificial layer is constructed on metallic Zn surface （ZNB@Zn）,acting as a rapid desolvation *** zincophilic and dielectric-conductive properties of ZNB layer accelerate interfacial desolvation/diffusion and suppress surface corrosion or dendrite formation,achieving uniform Zn plating/stripping behavior,as confirmed by electronic/optical microscopies and interface spectroscopical measurements together with theoretical ***,the as-prepared ZNB@Zn electrode exhibits excellent cycling stability of over 2000 h and robust reversibility （99.54%） even under high current density and depth of discharge ***,the assembled ZNB@Zn-based full cell displays high capacity-retention rate of 80.21%after 3000 cycles at 5 A g-1and outstanding rate performance up to 10 A *** large-areal pouch cell is stabilized for hundreds of cycles,highlighting the bright prospects of the dielectric but ion-conductive layer in further application of AZMBs.

关键词： Zn metal battery Dielectric artificial layer Rapid ion diffusion Zincophilic diffusion Active water inhibition

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液递物质与门静脉高压症

世界华人消化杂志 2000年第11期8卷 1280-1281页

作者：张莉娟王小众福建医科大学附属协和医院消化内科福建省福州市350001

门静脉高压症是临床常见综合病症,其病因以肝硬变最为主要和常见.目前认为调节循环血管阻力和血流量的液递物质,在门静脉高压的形成中意义重大.现就部分液递物质在门静脉高压症发病机制中的作用综述如下.1内皮素(ET)

关键词：门静脉高血压依前列醇胰高糖素 CGRP

Synergistically enhanced ORR and HER performance on Co-N-C coupled in-situ generated PtCo intermetallic

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Journal of Energy Chemistry 2025年第1期100卷 721-729页

作者： Guanyu Luo Min Song Lulu An Xiao Huang Qian zhang Chenhao zhang Tao Shen Shuang Wang Deli Wang Key Laboratory of Material Chemistry for Energy Conversion and Storage (Huazhong University of Science and Technology) Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology

Integrating multi-scale sites in a composite catalyst is vital to realize efficient ***,a synergistic composite catalyst consisting of Co atomic sites and in-situ generated PtCo intermetallic compounds （IMCs）(o-PtCo@CoNC) is proposed through Co pre-anchoring and subsequent impregnation-reduction *** loading of Co atoms provides a chance for in-situ generating PtCo ordered intermetallic *** remaining Co single atoms and PtCo IMCs construct synergistic electrocatalytic *** from the ordered structure,synergistic effect of Pt Co IMCs and Co single atoms,o-PtCo@CoNC exhibits excellent electrocatalytic performance for oxygen reduction reaction （ORR） and hydrogen evolution reaction （HER） with mass activity of 1.21 A mgPt-1（at 0.9 V） and5.70 A mgPt-1（at an overpotential of 100 mV）,***,o-PtCo@CoNC delivers negligible loss of half-wave potential and overpotential during long-term stability test in acid solutions,with 13 mV decay after 50,000 potential cycles for ORR and a 2.7 mV decay after 20,000 potential cycles for *** integration strategy of single-atomic sites coupled IMCs paves the way for enhancing the activity and durability of Pt-based electrocatalysts.

关键词： Electrolytic reduction

Satellite remote sensing reveals overwhelming recovery of forest from disturbances in Asia

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Atmospheric and Oceanic Science Letters 2025年第1期18卷 46-51页

作者： Yiying Zhu Hesong Wang Anzhi zhang School of Ecology and Nature Conservation Beijing Forestry UniversityBeijingChina Key Laboratory of Regional Climate and Environment for Temperate East Asia Institute of Atmospheric PhysicsChinese Academy of SciencesBeijingChina College of Forestry and Landscape Architecture Xinjiang Agricultural UniversityUrumqiChina

Forest ecosystems play key roles in mitigating human-induced climate change through enhanced carbon uptake;however,frequently occurring climate extremes and human activities have considerably threatened the stability of *** the same time,detailed accounts of disturbances and forest responses are not yet well quantified in *** study employed the Breaks For Additive Seasonal and Trend method-an abrupt-change detection method-to analyze the Enhanced Vegetation Index time series in East Asia,South Asia,and Southeast *** approach allowed us to detect forest disturbance and quantify the resilience after *** showed that 20%of forests experienced disturbance with an increasing trend from 2000 to 2022,and Southeast Asian countries were more severely affected by ***,95%of forests had robust resilience and could recover from disturbance within a few *** resilience of forests suffering from greater magnitude of disturbance tended to be stronger than forests with lower disturbance *** summary,this study investigated the resilience of forests across the low and middle latitudes of Asia over the past two *** authors found that most forests exhibited good resilience after disturbance and about two-thirds had recovered to a better state in *** findings of this study underscore the complex relationship between disturbance and resilience,contributing to comprehension of forest resilience through satellite remote sensing.

关键词： Forest ecosystem Enhanced vegetation index Breaks for additive seasonal and trend method Disturbance Resilience

Preparation of silver nanoparticles through the reduction of straw-extracted lignin and its antibacterial hydrogel

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 504-514页

作者： Lou zhang Shuo Li Fu Tang Jingkai zhang Yuetong Kang Hean zhang Lidong Li State Key Laboratory for Advanced Metals and Materials School of Materials Science and EngineeringUniversity of Science and Technology BeijingBeijing 100083China

Silver nanoparticles(Ag NPs)have attracted attention in the field of biomaterials due to their excellent antibacterial ***,the reducing and stabilizing agents used for the chemical reduction of Ag NPs are usually toxic and may cause water *** this work,Ag NPs(31.2 nm in diameter)were prepared using the extract of straw,an agricultural waste,as the reducing and stabilizing *** analysis revealed that the straw extract contained lignin,the structure of which possesses phenolic hydroxyl and methoxy groups that facilitate the reduction of silver salts into Ag *** surfaces of Ag NPs were negatively charged due to the encapsulation of a thin layer of lignin molecules that prevented their *** the prepared Ag NPs were added to the precursor solution of acrylamide,free radical polymerization was triggered without the need for extra heating or light irradiation,resulting in the rapid formation of an Ag NP-polyacrylamide composite *** inhibition zone test proved that the composite hydrogel possessed excellent antibacterial ability due to the presence of Ag *** prepared hydrogel may have potential applications in the fabrication of biomedical materials,such as antibacterial dressings.

关键词： silver nanoparticles hydrogel straw extraction antibacterial