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Acquired sensorineural hearing loss,oxidative stress,and microRNAs

Neural Regeneration Research 2025年第9期20卷 2513-2519页

作者： Desmond A.Nunez ru C.Guo Division of Otolaryngology–Head&Neck Surgery Department of SurgeryFaculty of MedicineThe University of British ColumbiaVancouverBCCanada Division of Otolaryngology–Head&Neck Surgery Gordon&Leslie Diamond Health Care CentreVancouver General HospitalVancouverBCCanada Faculty of Medicine–The University of British Columbia VancouverBCCanada

Hearing loss is the third leading cause of human ***-related hearing loss,one type of acquired sensorineural hearing loss,is largely responsible for this escalating global health ***-induced,ototoxic,and idiopathic sudden sensorineural are other less common types of acquired hearing *** etiology of these conditions is complex and multi-fa ctorial involving an interplay of genetic and environmental *** stress has recently been proposed as a likely linking cause in most types of acquired sensorineural hearing *** non-coding RNA sequences known as microRNAs(miRNAs)have increasingly been shown to play a role in cellular hypoxia and oxidative stress responses including promoting an apoptotic *** hair cell death is a central histopathological finding in sensorineural hearing *** these cells do not regenerate in humans,it underlies the irreversibility of human age-related hearing *** EMBASE,Ovid MEDlINE,Web of Science Core Collection,and *** databases over the period August 1,2018 to July 31,2023 were searched with"hearing loss,""hypoxamiRs,""hypoxia,""microRNAs,""ischemia,"and"oxidative stress"text words for English language primary study publications or registered clinical *** red clinical trials known to the senior author we re also assessed.A total of 222studies were thus *** excluding duplicates,editorials,retra ctions,secondary research studies,and non-English language articles,39 primary studies and clinical trials underwent full-text *** resulted in 11 animal,in vitro,and/or human subject journal articles and 8 registered clinical trial database entries which form the basis of this narrative *** miR-34a and miR-29b levels increase with age in *** miRNAs were demonstrated in human neuroblastoma and murine cochlear cell lines to target Sirtuin 1/peroxisome proliferato r-activated receptor gamma coactivator-1-alpha(SIRT1/P GC-1α),SIRT

关键词： hearing loss hypoxia microRNAs oxidative stress sensorineural

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Inhibitory gamma-aminobutyric acidergic neurons in the anterior cingulate cortex participate in the comorbidity of pain and emotion

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Neural Regeneration Research 2025年第10期20卷 2838-2854页

作者： lu Guan Mengting Qiu Na li Zhengxiang Zhou ru Ye liyan Zhong Yashuang Xu Junhui Ren Yi liang Xiaomei Shao Jianqiao Fang Junfan Fang Junying Du Department of Neurobiology and Acupuncture Research Third School of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouZhejiang ProvinceChina Key laboratory for Research of Acupuncture Treatment and Transformation of Emotional Diseases Third School of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouZhejiang ProvinceChina Fuchun Community Health Service Center of Fuyang District HangzhouZhejiang ProvinceChina

Pain is often comorbid with emotional disorders such as anxiety and *** of the anterior cingulate cortex has been implicated in pain and pain-related negative emotions that arise from impairments in inhibitory gamma-aminobutyric acid *** review primarily aims to outline the main circuitry(including the input and output connectivity)of the anterior cingulate cortex and classification and functions of different gamma-aminobutyric acidergic neurons;it also describes the neurotransmitters/neuromodulators affecting these neurons,their intercommunication with other neurons,and their importance in mental comorbidities associated with chronic pain *** understanding on their role in pain-related mental comorbidities may facilitate the development of more effective treatments for these ***,the mechanisms that regulate gamma-aminobutyric acidergic systems remain *** is also unclear as to whether the mechanisms are presynaptic or *** exploration of the complexities of this system may reveal new pathways for research and drug development.

关键词： anterior cingulate cortex anxiety chronic pain circuit communication comorbidity depression gamma-aminobutyric acidergic neurons parvalbumin neurons synaptic transmission

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miRNA-21-5p is an important contributor to the promotion of injured peripheral nerve regeneration using hypoxia-pretreated bone marrow-derived neural crest cells

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Neural Regeneration Research 2025年第1期20卷 277-290页

作者： Meng Cong Jing-Jing Hu Yan Yu Xiao-li li Xiao-Ting Sun li-Ting Wang Xia Wu ling-Jie Zhu Xiao-Jia Yang Qian-ru He Fei Ding Hai-Yan Shi School of Medicine Nantong UniversityNantongJiangsu ProvinceChina Key laboratory of Neuroregeneration of Jiangsu and Ministry of Education and Coinnovation Center of Neuroregeneration Nantong UniversityNantongJiangsu ProvinceChina Department of Physiology Jiangsu Health Vocational CollegeNanjingJiangsu ProvinceChina Department of Pathology Affiliated Hospital of Nantong UniversityNantongJiangsu ProvinceChina Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair Affiliated Hospital of Nantong UniversityNantongJiangsu ProvinceChina

Our previous study found that rat bone marrow–derived neural crest cells(acting as Schwann cell progenitors)have the potential to promote long-distance nerve ***-based therapy can enhance peripheral nerve repair and regeneration through paracrine bioactive factors and intercellular ***,the complex contributions of various types of soluble cytokines and extracellular vesicle cargos to the secretome remain *** investigate the role of the secretome and extracellular vesicles in repairing damaged peripheral nerves,we collected conditioned culture medium from hypoxia-pretreated neural crest cells,and found that it significantly promoted the repair of sensory neurons damaged by oxygen-glucose *** mRNA expression of trophic factors was highly expressed in hypoxia-pretreated neural crest *** performed RNA sequencing and bioinformatics analysis and found that miR-21-5p was enriched in hypoxia-pretreated extracellular vesicles of neural crest ***,to further clarify the role of hypoxia-pretreated neural crest cell extracellular vesicles rich in miR-21-5p in axonal growth and regeneration of sensory neurons,we used a microfluidic axonal dissociation model of sensory neurons in vitro,and found that hypoxia-pretreated neural crest cell extracellular vesicles promoted axonal growth and regeneration of sensory neurons,which was greatly dependent on loaded ***,we constructed a miR-21-5p-loaded neural conduit to repair the sciatic nerve defect in rats and found that the motor and sensory functions of injured rat hind limb,as well as muscle tissue morphology of the hind limbs,were obviously *** findings suggest that hypoxia-pretreated neural crest extracellular vesicles are natural nanoparticles rich in ***-21-5p is one of the main contributors to promoting nerve regeneration by the neural crest cell *** helps to explain the mechanism of action of the secretome and e

关键词： axotomy cell-free therapy conditioned medium extracellular vesicles hypoxic preconditioning microRNA oxygen-glucose deprivation peripheral nerve injury Schwann cell precursors

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An improvement of Chen-ru-Yan's degenerated second main theorem

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Science China Mathematics 2015年第12期58卷 2517-2530页

作者： SHI lei ru Min Department of Mathematics East China Normal University Department of Mathematics University of Houston

We give an improvement for the second main theorem of algebraically non-degenerate holomorphic curves into a complex projective variety V intersecting hypersurfaces in subgeneral position, obtained by Chen et al.(2012... 详细信息

关键词： Nevanlinna theory holomorphic curve second main theorem truncation level

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新质生产力的运行机理、生成逻辑与模式建构——基于生产力与生产关系辩证统一的视角

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新疆师范大学学报（哲学社会科学版） 2025年第1期46卷 89-97页

作者：李勇坚张海汝中国社会科学院财经战略研究院北京100005 浙江财经大学浙江杭州310018 江苏省社会科学院经济研究所江苏南京210004

新质生产力是创新发挥主导作用,摆脱传统经济增长方式、生产力发展路径,具有高科技、高效能、高质量特征,符合新发展理念的先进生产力质态。纵观三次科技革命变革生产力的历程,新质生产力的产生和发展是生产力与生产关系相互作用的结果... 详细信息

新质生产力是创新发挥主导作用,摆脱传统经济增长方式、生产力发展路径,具有高科技、高效能、高质量特征,符合新发展理念的先进生产力质态。纵观三次科技革命变革生产力的历程,新质生产力的产生和发展是生产力与生产关系相互作用的结果,具有生产力与生产关系的双重内涵和发展要求。新质生产力以新型劳动者、新型劳动资料、新型劳动对象及其组合模式和新型生产关系为架构要素与发展基础,其生成逻辑与运行机理是由技术革命性突破引发,在催生新型生产力要素、新型要素组合模式的基础上促使与新质生产力相适应的新型生产关系变革形成,新型生产关系的反作用促进新质生产力进一步生成的过程。发展新质生产力要以实施创新驱动战略、加快产业深度转型、构建要素生态系统和全面深化改革为基本模式和关键路径。亟须加快实现高水平科技自立自强,加快技术革命性创新;促进产业深度转型,构建现代化产业体系;促进生产要素创新配置,构建新质生产要素系统;全面深化改革,加快建立健全与新质生产力相适应的新型生产关系,促进新质生产力加快形成发展。

关键词：新质生产力新型生产关系技术革命性突破全面深化改革

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Multiproduct and multistage integrated production planning model and algorithm based on an available production capacity network

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International Journal of Minerals,Metallurgy and Materials 2021年第8期28卷 1343-1352页

作者： Zhi-min lü Tian-ru Jiang Zai-wei li Collaborative Innovation Center of Steel Technology University of Science and Technology BeijingBeijing 100083China Institute of Engineering Technology University of Science and Technology BeijingBeijing 100083China China Ordins Group CO. LTDBeijing 100089China

This research attempts to devise a multistage and multiproduct short-term integrative production plan that can dynamically change based on the order priority and virtual occupancy for application in steel plants. Considering factors such as the delivery time, varietal compatibility between different products, production capacity of variety per hour, minimum or maximum batch size, and transfer time, we propose an available production capacity network with varietal compatibility and virtual occupancy for enhancing production plan implementation and quick adjustment in the case of dynamic production changes. Here available means the remaining production capacity after virtual *** quickly build an available production capacity network and increase the speed of algorithm solving, constraint selection and cutting methods with order priority were used for model solving. Finally, the genetic algorithm improved with local search was used to optimize the proposed production plan and significantly reduce the order delay rate. The validity of the proposed model and algorithm was numerically verified by simulating actual production practices. The simulation results demonstrate that the model and improved algorithm result in an effective production plan.

关键词： short-term integrated plan constraint satisfaction model available production capacity varietal compatibility virtual capacity occupancy

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指向高质量课堂的听评课量表设计及其关键问题

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教学与管理 2025年第1期 24-28页

作者：户艳茹方妍清华大学教育研究院北京100084 清华大学附属中学北京100084

在建设高质量课堂的时代背景下,重新设计课堂听评课框架与维度,有助于倒逼教师专业成长,反促课堂提质增效。在深刻反思现有听评课量表存在不足、尤其是缺乏科学量化标准的前提下,重新设计的旨在提升课堂质量的听评课量表主要包括2个观... 详细信息

在建设高质量课堂的时代背景下,重新设计课堂听评课框架与维度,有助于倒逼教师专业成长,反促课堂提质增效。在深刻反思现有听评课量表存在不足、尤其是缺乏科学量化标准的前提下,重新设计的旨在提升课堂质量的听评课量表主要包括2个观察维度、6个观察要素、13个观察指标和26个观察点。在教学实践中应用这一听评课量表,需要注意凸显学生的主体性、全面性与个性化,构建民主平等的课堂生命共同体,展现时代风格与学校特色,形成良性教研文化和沟通合作机制。

关键词：高质量课堂听评课量表教研制度

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体育运动对医学院校大学生心理健康的影响探究

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卫生职业教育 2025年第1期43卷 112-115页

作者：石茹包头医学院内蒙古包头014040

目的探究体育运动对医学院校大学生心理健康的影响,为医学院校学生心理健康发展提供指导。方法采用随机抽样法,选取医学院校136名大学生作为研究对象,进行8周运动训练,以快走、慢跑等有氧运动为主。运动前后采用一般健康问卷(GHQ-20)对... 详细信息

目的探究体育运动对医学院校大学生心理健康的影响,为医学院校学生心理健康发展提供指导。方法采用随机抽样法,选取医学院校136名大学生作为研究对象,进行8周运动训练,以快走、慢跑等有氧运动为主。运动前后采用一般健康问卷(GHQ-20)对学生的心理健康水平进行测量。结果相比运动前,运动后学生忧郁、焦虑水平下降,自我肯定程度提高,心理健康状况显著改善。结论运动对大学生心理健康具有良好的干预效果,学校应进一步加强宣传教育,让学生充分认识到运动对身心健康的重要作用,将运动作为提升心理健康水平的重要手段之一。

关键词：体育运动医学院校大学生心理健康

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The relationship between three-dimensional coseismic displacement and distribution of coseismic landslides

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Science China Earth Sciences 2023年第7期66卷 1583-1602页

作者： ru.lIU Teng WANG School of Earth and Space Sciences Peking UniversityBeijing 100871China Hebei Hongshan National Geophysical Observatory for Thick Sediments and Seismic Hazards Peking UniversityBeijing 100871China

In mountainous areas,landslides induced by destructive earthquakes are one of the main causes of human casualties,which is an important link in the chain of earthquake ***-triggered landslides are mainly controlled by three factors,namely seismic property,topography,and *** studies have been conducted on these controlling factors of earthquake-triggered ***,little is known about the effect of coseismic displacement on the distribution of landslides under different slope aspects and slope angles,hindering our understanding of the mechanism of inducing landslides by the combination of surface displacement and slope geometry at the local scale and leading to controversial opinions about the abnormal number of earthquake-triggered landslides in several ***,we took the 2008 Wenchuan M_(w) 7.9 earthquake in China,the 2015 Gorkha M_(w) 7.8 earthquake in Nepal,and the 2016 Kaikōura M_(w) 7.8 earthquake in New Zealand as examples to investigate the relationship between the distribution of large earthquake-triggered landslides and the three-dimensional (3D)coseismic displacement *** divided the landslide-prone area around the epicenter into regular grids and calculated the 3D coseismic displacement in each grid according to the radar satellite images and slip distribution ***,the 3D coseismic displacement was projected to two coordinate systems related to the slope where the landslides were located for statistical *** determined that the surface uplift perpendicular to the slope is more likely to induce landslides,particularly when combined with large slope ***,the number of landslides will be significantly reduced where the subsidence *** of uplift or subsidence,landslides are more likely to occur when the direction of coseismic horizontal displacement is far from the *** larger the slope angles are,the greater the effects of horizontal displacement and slope aspect.A dominant

关键词： Coseismic landslides Three-dimensional coseismic displacement InSAR landslide risk assessment

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Interfacial Instability of Two Bonded Elastic Bodies Driven by Interface or Bulk Residual Stress

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Acta Mechanica Solida Sinica 2023年第6期36卷 914-920页

作者： C.Q.ru Department of Mechanical Engineering University of AlbertaEdmonton T6G 2G8Canada

Inspired by recent research interest in the interface wrinkling of bonded materials in diverse areas of 3D printing,the present work studies the interfacial instability of two bonded elastic bodies driven by negative interfacial tension or compressible bulk residual *** interfacial instability modes decaying exponentially with distance from the interface,the present model is formulated for two bonded elastic half-spaces with a planar interface under plane *** explicit expression is given for the wavenumber of interfacial instability driven by negative interfacial tension,and a critical condition is derived for interfacial instability driven by compressive bulk residual *** derived results are validated with comparison to known results on surface instability of an elastic half-space,and the role of shear modulus ratio and Poisson’s ratios of two bonded elastic bodies in interfacial instability,an issue to be addressed in literature,is studied with specific reference to material parameters used in some areas of 3D printing.

关键词： Interfacial tension Surface tension Interfacial instability 3D printing Interface wrinkling

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