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Vestibular function of pediatric patients with sudden sensorineural hearing loss:based on vertigo symptom and vestibular function testing

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World Journal of Pediatrics 2021年第6期17卷 637-642页

作者： Yan-Hong Li Bing Liu Yang Yang min Chen Wei Liu Jian-Bo Shao Xiao Zhang jie Zhang Xin ni Department of Otorhinolaryngology Head and Neck Surgery Beijing Children's HospitalCapital Medical UniversityNational Center for Children's HealthBeijingChina Beijing Key Laboratory for Pediatric Diseases of Otolaryngology Head and Neck Surgery Beijing Pediatric Research InstituteBeijingChina

Background This study aimed to evaluate the relationship between vestibular and auditory functions in pediatric patients with sudden sensorineural hearing loss(SSHL).Methods A total of 30 pediatric patients experiencing unilateral SSHL between 5.9 and 13.0 years of age were enrolled in this *** tone audiometry was evaluated prior to treatment initiation and again after one month of *** to treatment initiation,vertigo symptoms were noted;then several vestibular function tests were conducted including caloric testing,ocular vestibular evoked myogenic potentials(o-VEMPs)and cervical vestibular evoked myogenic potentials(c-VEMPs).Associations between pre and post-treatment vestibular function and hearing threshold levels were *** Initial hearing thresholds of children with vertigo were higher than thresholds of children without vertigo(92 dB vs 79 dB,F=0.033),while initial hearing thresholds of children with abnormal caloric test findings were higher than thresholds of children with normal caloric test findings(93 dB vs 67 dB.P=0.014).Cutoff values of hearing thresholds for those with vertigo symptoms and abnormal vestibular test results were 86.000-and 89.583-dB *** prognosis,children with vertigo exhibited lower recovery rates than children without vertigo(33%vs 75%,P=0.025);recovery rates of children with abnormal caloric test results were lower than the overall recovery rate(25%vs 73%,respectively,P=0.039).Conclusion Assessments of vertigo symptoms and vestibular function are useful tools in predicting pediatric SwSHL patient disease severity and prognosis.

关键词： Prognosis sudden sensorineural hearing loss Vertigo Vestibular function tests

过表达神经调节蛋白1的人羊膜间充质干细胞促进小鼠皮肤创面愈合

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中国组织工程研究 2025年第7期29卷 1343-1349页

作者：胡涛涛刘兵陈诚殷宗银阚道洪倪杰叶凌霄郑祥兵严敏邹勇四川大学华西医院宜宾医院四川省宜宾市644000

背景:神经调节蛋白1具有促进细胞增殖、分化以及血管生长等特性。人羊膜间充质干细胞是组织工程领域重要的种子细胞,已被证实参与组织修复及再生过程。目的:构建过表达神经调节蛋白1的人羊膜间充质干细胞,探究其增殖、迁移能力以及对创... 详细信息

背景:神经调节蛋白1具有促进细胞增殖、分化以及血管生长等特性。人羊膜间充质干细胞是组织工程领域重要的种子细胞,已被证实参与组织修复及再生过程。目的:构建过表达神经调节蛋白1的人羊膜间充质干细胞,探究其增殖、迁移能力以及对创面愈合的影响。方法:(1)体外分离培养人羊膜间充质干细胞并对其进行鉴定;(2)构建神经调节蛋白1过表达慢病毒,将人羊膜间充质干细胞分为空载组、神经调节蛋白1组、对照组,分别转染空载慢病毒、过表达神经调节蛋白1慢病毒,对照组不进行转染;(3)EdU实验检测各组细胞增殖能力,Transwell实验检测各组细胞迁移能力;(4)构建C57BL/6小鼠创面损伤模型,随机分成对照组、空载组和神经调节蛋白1组,每组8只,分别在创面局部多点均匀注射1 mL转染空载慢病毒或转染过表达神经调节蛋白1慢病毒的人羊膜间充质干细胞,对照组注射等量的生理盐水;(5)造模后1,7,14 d观察创面愈合情况,苏木精-伊红染色观察创面愈合组织学变化,免疫组化观察创面CD31的表达。结果与结论:(1)成功构建过表达神经调节蛋白1的人羊膜间充质干细胞,细胞内神经调节蛋白1的mRNA、蛋白表达较空载组明显上调(P<0.05);(2)过表达神经调节蛋白1促进了人羊膜间充质干细胞的迁移(P<0.01)和增殖(P<0.05);(3)过表达神经调节蛋白1的人羊膜间充质干细胞促进了小鼠创面愈合(P<0.05)和创面的血管生成(P<0.05)。结果表明,过表达神经调节蛋白1提高了人羊膜间充质干细胞的增殖和迁移能力,以及增强了促进创面愈合和创面血管生成的能力。

关键词：人羊膜间充质干细胞神经调节蛋白1 过表达细胞增殖细胞迁移小鼠创面愈合

Clathrin light chains negatively regulate plant immunity by hijacking the autophagy pathway

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Plant Communications 2024年第8期5卷 172-188页

作者： Hu-Jiao Lan jie Ran Wen-Xu Wang Lei Zhang ni-ni Wu Ya-Ting Zhao min-Jun Huang min ni Fen Liu ninghui Cheng Paul A.Nakata Jianwei Pan Steven A.Whitham Barbara J.Baker Jian-Zhong Liu Zhejiang Provincial Key Laboratory of Biotechnology on Specialty Economic Plants Zhejiang Normal UniversityJinhua 321004China Institute of Plant Genetics and Developmental Biology College of Chemistry and Life SciencesZhejiang Normal UniversityJinhua 321004China College of Life Sciences Lanzhou UniversityLanzhou 730000China Department of Plant Pathology and Microbiology Iowa State UniversityAmesIA 50011USA Department of Plant and Microbial Biology University of CaliforniaBerkeleyBerkeleyCA 94720USA Plant Gene Expression Center U.S.Department of Agriculture-Agricultural Research ServiceAlbanyCA 94706USA Lushan Botanical Garden Chinese Academy of SciencesJiujiang 332000China U.S.Department of Agriculture-Agricultural Research Service Children’s Nutrition Research CenterDepartment of PediatricsBaylor College of MedicineHoustonTX 77030USA

The crosstalk between clathrin-mediated endocytosis(CME)and the autophagy pathway has been reported in mammals;however,the interconnection of CME with autophagy has not been established in ***,we report that the Arabidopsis CLATHRIN LIGHT CHAIN(CLC)subunit 2 and 3 double mutant,clc2-1 clc3-1,phenocopies Arabidopsis AUTOPHAGY-RELATED GENE(ATG)mutants in both autoimmunity and nutrient ***,the autophagy pathway is significantly compromised in the clc2-1 clc3-1 ***,multiple assays demonstrate that CLC2 directly interacts with ATG8h/ATG8i in a domain-specific *** expected,both GFP-ATG8h/GFP-ATG8i and CLC2-GFP are subjected to autophagic degradation,and degradation of GFP-ATG8h is significantly reduced in the clc2-1 clc3-1 ***,simultaneous knockout of ATG8h and ATG8i by CRISPR-Cas9 results in enhanced resistance against Golovinomyces cichoracearum,supporting the functional relevance of the CLC2-ATG8h/8i *** conclusion,our results reveal a link between the function of CLCs and the autophagy pathway in Arabidopsis.

关键词： autophagy clathrin light chain immunity clathrin-mediated endocytosis senescence cell death

The Luminescence Properties and Intramolecular Energy Transfer of Rare Earth Complexes with Aromatic Carboxylic Acids

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Chemical Research in Chinese Universities 1998年第3期14卷 23-27页

作者： YAN Bing ZHANG Hong-jie ni Jia-zuan Key Laboratory of Rare Earth Chemistry and Physics Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun130022

The triplet state energies of para aminobenzoic acid and nicotinic acid were determined by means of low temperature phosphorescence spectrometry. The energy matches between them and the resonant emitting energy levels of Eu 3+ , Tb 3+ , Sm 3+ , Dy 3+ were studied. The intramolecular energy transfer processes from the two aromatic carboxylic acid ligands to rare earth ions were also discussed on the basis of the measurement results of luminescence intensities, lifetimes and quantum efficiencies.

关键词： Luminescence properties Intramolecular energy transfer Rare earth complexes

Watermark Embedding for Direct Binary Searched Halftone Images by Adopting Visual Cryptography

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Computers, Materials & Continua 2018年第5期55卷 255-265页

作者： Yangyang Wang Rongrong ni Yao Zhao min Xian Beijing Key Laboratory of Advanced Information Science and Network Technology Institute of Information ScienceBeijing Jiaotong UniversityBeijing 100044China Department of Computer Science University of IdahoIdaho FallsID 83402United States

In this paper,two methods are proposed to embed visual watermark into direct binary search(DBS)halftone images,which are called Adjusted Direct Binary Search(ADBS)and Dual Adjusted Direct Binary Search(DADBS).DADBS is an improved version of *** using the proposed methods,the visual watermark will be embedded into two halftone images separately,thus,the watermark can be revealed when these two halftone images are *** results show that both methods can achieve excellent image visual quality and decoded visual patterns.

关键词： Data hiding halftone direct binary search visual watermark.

Lead Determination on MWNT/Nafion Composite Modified Glassy Carbon Electrodes

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Chinese Journal of Chemistry 2005年第11期23卷 1510-1514页

作者： XU, Qin LIU, ni-Na ZHU, Jun-jie Key Labororatory of Analytical Chemistry for Life Science Department of Chemistry Nanjing University Nanjing Jiangsu 210093 China

A composite material of nitric acid oxidized multiwalled carbon nanotube （MWNT） and Nation was prepared. Such composite was modified on a glassy carbon electrode to determine trace of lead by differential pulsed voltammetry. In pH=6.47 NaNO3 solution, Pb^2＋ ions were accumulated on the modified electrode at -0.4 V. Compared with a bare and a Nation film coated electrode, the composite coated GC electrode can reduce the accumulating potential and eliminate the toxic character of mercury. The calibration plots were linear at low concentration of 5.0× 10^-9-2.0× 10^-8 mol/L and high concentration of 2.5× 10^-8-5.0× 10^-6 mol/L. The performances characteristics indicate that the electrode can be used to determine trace Pb^2＋ ions.

关键词： composite lead electrochemistry differential pulsed voltammetry

Nonlinear Vibration of A Loosely Supported Curved Pipe Conveying Pulsating Fluid under Principal Parametric Resonance

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Acta Mechanica Solida Sinica 2016年第5期29卷 468-478页

作者： Yangyang Luo min Tang Qiao ni Yikun Wang Lin Wang Department of Mechanics Huazhong University of Science and Technology Wuhan 430074 China Hubei Key Laboratory for Engineering Structural Analysis and Safety Assessment Wuhan 430074 China Wuhan Second Ship Design and Research Institute Wuhan 430205 China

In this paper,the nonlinear dynamics of a curved pipe is investigated in the case of principal parametric resonance due to pulsating flow and impact with loose *** coupled in-plane and out-of-plane governing equations with the consideration of von Karman geometric nonUnearity are presented and discretized via the differential quadrature method（DQM）.The nonlinear dynamic responses are calculated numerically to demonstrate the influence of pulsating ***,the impact is taken into *** influence of clearance on frettingwear damage,such as normal work rate,contact ratio and impact force level,is demonstrated.

关键词： curved governing quadrature clearance Karman numerically loose conveying parametric dynamical

Recent progress on photoactive nonprecious transition-metal complexes

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Science China Chemistry 2025年第1期68卷 46-95页

作者： Zhong-Liang Gong Hong-jie Zhang Yan Cheng Jianxun Liu Yuhan Ai Yaqin Li Zhihui Feng Qiong Zhang Shaolong Gong Yong Chen Chang-Jiang Yao Yuan-Yuan Zhu Liang-Jin Xu Yu-Wu Zhong CAS Key Laboratory of Photochemistry Institute of Chemistry Chinese Academy of Sciences State Key Laboratory of Structural Cemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences School of Chemistry and Chemical Engineering Anhui Key Laboratory of Advanced Catalytic Materials and Reaction EngineeringHefei University of Technology State Key Laboratory of Explosion Science and Safety Protection School of Mechatronical Engineering Beijing Institute of Technology College of Chemistry and Molecular Sciences Hubei Key Lab on Organic and Polymeric Optoelectronic Materials Wuhan University School of Chemistry and Chemical Engineering Anhui University Key Laboratory of Photochemical Conversion and Optoelectronic Materials & CAS-HKU Joint Laboratory on New Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences

Photoactive complexes of nonprecious transition metals, mainly including those in the first-row and partially the second-row of the Periodic table of elements, have received increasing attention in view of their low cost and long-term sustainability. They are recognized as promising alternatives to noble transition metal complex congeners that have been extensively studied in optoelectronic devices, artificial photosynthesis, photocatalysis, biodiagnostics, and therapeutics, etc. This review is devoted to a comprehensive summary on the classical and recent advances on photoactive nonprecious transition metal complexes, including photoactive Zr, V, Cr, Mo, and W complexes, Mn complexes and hybrids, Fe, Co, ni, and Cu complexes, and Zn and Cd complexes and hybrids. A particular focus is given on the molecular design, modulation of photophysical and photochemical properties, and applications of the representative and lately-developed nonprecious metal complexes. In addition, a perspective on the future development in this field is provided at the end of this review.

关键词： photoactive metal complexes earth-abundant metals nonprecious metal complexes luminescence photochemistry

Molecular Cloning and Bacterial Expression of Germacrene A Synthase cDNA from Crepidiastrum sonchifolium

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Chemical Research in Chinese Universities 2006年第5期22卷 606-611页

作者： REN jie LIU Yan-qiu YANG Li ni Rui YOU Song School of Pharmaceutical Engineering Shenyang Pharmaceutical UniversityShenyang 110016 P. R. China

Germacrene A synthase（GAS） catalyzes the biosynthesis of germacrene A, which is a key precursor for sesquiterpone lactones. Cloning of a novel full-length cDNA encoding GAS from the medicinal plant Crepidiastrum sonchifolium（dosignated CsGAS） is reported in this study. The cDNA is 1837 bp long and contains a 1680-bp open reading frame encoding a 559 amino-acid protein. The functional expression of the cDNA in Escherichia coli, as an N-terminal thioredoxin fusion protein, with the pET32a vector yielding a recombinant enzyme. Sequence analysis was used to compare this enzyme with the mechanistically related epi-aristolochene synthase from tobacco, and the effect of possible involvement of a number of amino acids in sesquiterpone synthase on product specificity was also discussed.

关键词： Germacrene A synthase Crepidiastrum sonchifolium Sesquiterpene synthase Expression Fusion protein