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Use of a tissue clearing technique combined with retrograde trans-synaptic viral tracing to evaluate changes in mouse retinorecipient brain regions following optic nerve crush

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Neural Regeneration Research 2023年第4期18卷 913-921页

作者： Zong-Yi Zhan Yi-Ru Huang Lu-Wei Zhao Ya-Dan Quan zi-Jing Li Di-Fang Sun Ya-Li Wu Hao-Yuan Wu zi-tian liu Kai-Li Wu Yu-Qing Lan Min-Bin Yu Department of Ophthalmology Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene RegulationSun Yat-sen Memorial HospitalSun Yat-sen UniversityGuangzhouGuangdong ProvinceChina State Key Laboratory of Ophthalmology Zhongshan Ophthalmic CenterSun Yat-sen UniversityGuangzhouGuangdong ProvinceChina Light Innovation Technology Ltd. Hong Kong Special Administrative RegionChina Department of Ophthalmology&Visual Science Shanghai Medical CollegeFudan UniversityShanghaiChina Department of Ophthalmology Eye&ENT HospitalFudan UniversityShanghaiChina Department of Ophthalmology The First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui ProvinceChina

Successful establishment of reconnection between retinal ganglion cells and retinorecipient regions in the brain is critical to optic nerve ***,morphological assessments of retinorecipient regions are limited by the opacity of brain *** this study,we used an innovative tissue cleaning technique combined with retrograde trans-synaptic viral tracing to observe changes in retinorecipient regions connected to retinal ganglion cells in mice after optic nerve ***,we performed light-sheet imaging of whole brain tissue after a clearing *** found that pseudorabies virus 724(PRV724)mostly infected retinal ganglion cells,and that we could use it to retrogradely trace the retinorecipient regions in whole tissue-cleared ***,PRV724-traced neurons were more widely distributed compared with data from previous *** found that optic nerve injury could selectively modify projections from retinal ganglion cells in the hypothalamic paraventricular nucleus,intergeniculate leaflet,ventral lateral geniculate nucleus,central amygdala,basolateral amygdala,Edinger-Westphal nucleus,and oculomotor nucleus,but not the superior vestibular nucleus,red nucleus,locus coeruleus,gigantocellular reticular nucleus,or facial nerve *** findings demonstrate that the tissue clearing technique,combined with retrograde trans-synaptic viral tracing,can be used to objectively and comprehensively evaluate changes in mouse retinorecipient regions that receive projections from retinal ganglion cells after optic nerve ***,our approach may be useful for future estimations of optic nerve injury and regeneration.

关键词： histology image analysis light-sheet imaging optic nerve crush pseudorabies virus retinal ganglion cells three-dimensional imaging tissue clearing viral tracing whole brain study

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Growth hormone improves insulin resistance in visceral adipose tissue after duodenal-jejunal bypass by regulating adiponectin secretion

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World Journal of Diabetes 2024年第6期15卷 1340-1352页

作者： zi-tian liu Guang-Wei Yang Xiang Zhao Shuo-Hui Dong Yang Jiao Zheng Ge Ao Yu Xi-Qiang Zhang Xin-Zhen Xu Zhi-Qiang Cheng Xiang Zhang Ke-Xin Wang Department of General Surgery Qilu Hospital of Shandong UniversityJinan 250012Shandong ProvinceChina Department of General Surgery Shandong University of Qilu Hospital(Qingdao)Qingdao 266000Shandong ProvinceChina

BACKGROUND The mechanism of improvement of type 2 diabetes after duodenal-jejunal bypass(DJB)surgery is not *** To study the morphological and functional changes in adipose tissue after DJB and explore the potential mechanisms contributing to postoperative insulin sensitivity improvement of adipose tissue in a diabetic male rat *** DJB and sham surgery was performed in a-high-fat-diet/streptozotocin-induced diabetic rat *** adipose tissue was weighed and observed under *** inguinal fat to represent subcutaneous adipose tissue(SAT)and mesangial fat to represent visceral adipose ***-sequencing was utilized to evaluate gene expression alterations *** hematoxylin and eosin staining,reverse transcription-quantitative polymerase chain reaction,western blot,and enzyme-linked immunosorbent assay were used to study the *** resistance was evaluated by *** After DJB,whole body blood glucose metabolism and insulin sensitivity in adipose tissue *** cell volume in both visceral adipose tissue(VAT)and SAT *** to SAT,VAT showed more significantly functional alterations after DJB and KEGG analysis indicated growth hormone(GH)pathway and downstream adiponectin secretion were involved in metabolic *** circulating GH and adiponectin levels and GH receptor and adiponectin levels in VAT *** experiment showed that GH stimulated adiponectin secretion and improve insulin *** GH improves insulin resistance in VAT in male diabetic rats after receiving DJB,possibly by increasing adiponectin secretion.

关键词： Growth hormone Insulin resistance Bariatric surgery Adipose tissue Adiponectin

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Overview and Prospect of Distributed Energy P2P Trading

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Energy Engineering 2025年第1期122卷 379-404页

作者： Jiajia liu Mingxing tian Xusheng Mao School of Automation and Electrical Engineering Lanzhou Jiaotong UniversityLanzhou730070China

After a century of relative stability in the electricity sector,the widespread adoption of distributed energy resources,along with recent advancements in computing and communication technologies,has fundamentally altered how energy is consumed,traded,and *** change signifies a crucial shift as the power system evolves from its traditional hierarchical organization to a more decentralized *** the heart of this transformation are innovative energy distribution models,like peer-to-peer(P2P)sharing,which enable communities to collaboratively manage their energy *** effectiveness of P2P sharing not only improves the economic prospects for prosumers,who generate and consume energy,but also enhances energy resilience and *** allows communities to better leverage local resources while fostering a sense of collective responsibility and collaboration in energy ***,there is still no extensive implementation of such sharing models in today’s *** on distributed energy P2P trading is still in the exploratory stage,and it is particularly important to comprehensively understand and analyze the existing distributed energy P2P trading *** paper contributes with an overview of the P2P markets that starts with the network framework,market structure,technical approach for trading mechanism,and blockchain technology,moving to the outlook in this field.

关键词： Distributed energy P2P market mechanisms classification and comparison

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Research status and prospects of the fractal analysis of metal material surfaces and interfaces

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 20-38页

作者： Qinjin Dai Xuefeng liu Xin Ma Shaojie tian Qinghe Cui Beijing Advanced Innovation Center for Materials Genome Engineering University of Science and Technology BeijingBeijing 100083China Beijing Laboratory of Metallic Materials and Processing for Modern Transportation University of Science and Technology BeijingBeijing 100083China Laboratory for Advanced Materials Processing of Ministry of Education University of Science and Technology BeijingBeijing 100083China School of Mechanical and Electrical Engineering Xinjiang Institute of EngineeringUrumqi 830023China

As a mathematical analysis method,fractal analysis can be used to quantitatively describe irregular shapes with self-similar or self-affine *** analysis has been used to characterize the shapes of metal materials at various scales and *** methods make it difficult to quantitatively describe the relationship between the regular characteristics and properties of metal material surfaces and ***,fractal analysis can be used to quantitatively describe the shape characteristics of metal materials and to establish the quantitative relationships between the shape characteristics and various properties of metal *** the perspective of two-dimensional planes and three-dimensional curved surfaces,this paper reviews the current research status of the fractal analysis of metal precipitate interfaces,metal grain boundary interfaces,metal-deposited film surfaces,metal fracture surfaces,metal machined surfaces,and metal wear *** relationship between the fractal dimensions and properties of metal material surfaces and interfaces is *** from three perspectives of fractal analysis,namely,research scope,image acquisition methods,and calculation methods,this paper identifies the direction of research on fractal analysis of metal material surfaces and interfaces that need to be *** is believed that revealing the deep influence mechanism between the fractal dimensions and properties of metal material surfaces and interfaces will be the key research direction of the fractal analysis of metal materials in the future.

关键词： metal material surfaces and interfaces fractal analysis fractal dimension homogeneity

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Multi-receptive field interaction network for shape from polarization

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Science China(Information Sciences) 2025年第1期68卷 394-395页

作者： Yini PENG Rui liu Zhiyuan ZHANG Zhongyuan WANG Jiayi MA Xin tian Electronic Information School Wuhan University Computer Science School Wuhan University Wuhan Institute of Quantum Technology

Shape from polarization (SfP) method can use the polarization information in reflected light to estimate the surface normal of the target,which can further reconstruct the shape of the *** a simple image capture process,it can use low-cost equipment to meet a high precision imaging requirement,which can be used in remote scenes and other applications.

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Regulation and function of endoplasmic reticulum autophagy in neurodegenerative diseases

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Neural Regeneration Research 2025年第1期20卷 6-20页

作者： Xiu-Yun Zhao De-En Xu Ming-Lei Wu Ji-Chuan liu zi-Ling Shi Quan-Hong Ma Department of Neurology and Clinical Research Center of Neurological Disease the Second Affiliated Hospital of Soochow UniversitySuzhouJiangsu ProvinceChina Institute of Neuroscience&Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases Soochow UniversitySuzhouJiangsu ProvinceChina Department of Neurology Jiangnan University Medical CenterWuxiJiangsu ProvinceChina

The endoplasmic reticulum,a key cellular organelle,regulates a wide variety of cellular *** reticulum autophagy,one of the quality control systems of the endoplasmic reticulum,plays a pivotal role in maintaining endoplasmic reticulum homeostasis by controlling endoplasmic reticulum turnover,remodeling,and *** this review,we briefly describe the endoplasmic reticulum quality control system,and subsequently focus on the role of endoplasmic reticulum autophagy,emphasizing the spatial and temporal mechanisms underlying the regulation of endoplasmic reticulum autophagy according to cellular *** also summarize the evidence relating to how defective or abnormal endoplasmic reticulum autophagy contributes to the pathogenesis of neurodegenerative *** summary,this review highlights the mechanisms associated with the regulation of endoplasmic reticulum autophagy and how they influence the pathophysiology of degenerative nerve *** review would help researchers to understand the roles and regulatory mechanisms of endoplasmic reticulum-phagy in neurodegenerative disorders.

关键词： autophagy endoplasmic reticulum endoplasmic reticulum autophagy endoplasmic reticulum quality control system endoplasmic reticulum receptors endoplasmic reticulum-associated degradation neurodegeneration neurodegenerative disease selective autophagy unfolded protein response

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Effects of S100A4 on endothelial cell injury induced by H2O2

Effects of S100A4 on endothelial cell injury induced by H2O2

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中国生理学会第23届全国会员代表大会暨生理学学术大会

作者： zi-Quan liu,tian-Hui WANG~*,Yun-Yun CHEN,Hong-Tao liu Institute of healthy and Environmental medicine,Academy of Military Medical Sciences,tianjin 300050,China

objective:To study the effect of S100A4 on endothelial cell injuries induced by ***:Endothelial cells were cultured in vitro and divided into six groups:control(HC);H2O2 injury(HI);HC+S100A4(50μmol/L);HC+S100A4(100μmol/L);HI+S100A4(50μmol/L);HI+S100A4(100μmol/L).Endothelial cells were incubated with 100μmol/L HO for 12 *** S100A4 were added to the culture *** amount of malondialdehyde(MDA),nitric oxide(NO),lacate(LDH) in serum,and cell viability were *** apoptotic index was detected dehydrogenase by flow *** expressions of S100A4 and P53 protein were detected by ***:HO could lead to oxidative stress injury of the cultured vascular endothelial cells and decline the cell survival rate(28.67%) of vascular endothelial cells and induce apoptosis of vascular endothelial *** S100A4 plays an insignificant role in anti-oxidative stress injury and increasing the cell survival rate of vascular endothelial cells and decreasing apoptosis of vascular endothelial ***-blot results suggested: the level on of both S100A4 and P53 increased after oxidative stress injury of vascular endothelial cells induced by HO;exogenous S100A4 increased the kytoplasm level on of P53 in endothelial cells and decreased the nuclear level of P53 in endothelial cells;Different dose of exogenous S100A4 declined the different nuclear level of P53 in endothelial ***:The control of S100A4 on apoptosis of endothelial cells induced by oxidative stress injury depended on that S100A4 restrained P53 into cell nucleus and declined the effect of P53 on promoting apoptosis of cells.

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Neuroprotective potential for mitigating ischemia-reperfusion-induced damage

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Neural Regeneration Research 2025年第8期20卷 2199-2217页

作者： zi Ye Runqing liu Hangxing Wang Aizhen Zuo Cen Jin Nan Wang Huiqi Sun Luqian Feng Hua Yang The Clinical Medical College Guizhou Medical UniversityGuiyangGuizhou ProvinceChina Division of Infectious Diseases Department of Internal MedicinePeking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina School of Medical Imaging Guizhou Medical UniversityGuiyangGuizhou ProvinceChina Division of Gastroenterology First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan ProvinceChina The Second Clinical Medical College Lanzhou UniversityLanzhouGansu ProvinceChina Department of Neurosurgery Affiliated Hospital of Guizhou Medical UniversityGuiyangGuizhou ProvinceChina

Reperfusion following cerebral ischemia causes both structural and functional damage to brain tissue and could aggravate a patient's condition;this phenomenon is known as cerebral ischemia-reperfusion *** studies have elucidated the neuroprotective role of the sirtuin protein family(Sirtuins)in modulating cerebral ischemia-reperfusion ***,the potential of utilizing it as a novel intervention target to influence the prognosis of cerebral ischemia-reperfusion injury requires additional *** this review,the origin and research progress of Sirtuins are summarized,suggesting the involvement of Sirtuins in diverse mechanisms that affect cerebral ischemia-reperfusion injury,including inflammation,oxidative stress,blood-brain barrier damage,apoptosis,pyroptosis,and *** therapeutic avenues related to Sirtuins that may improve the prognosis of cerebral ischemia-reperfusion injury were also investigated by modulating Sirtuins expression and affecting representative pathways,such as nuclear factor-kappa B signaling,oxidative stress mediated by adenosine monophosphate-activated protein kinase,and the forkhead box *** review also summarizes the potential of endogenous substances,such as RNA and hormones,drugs,dietary supplements,and emerging therapies that regulate Sirtuins *** review also reveals that regulating Sirtuins mitigates cerebral ischemia-reperfusion injury when combined with other risk *** Sirtuins show promise as a potential target for the treatment of cerebral ischemiareperfusion injury,most recent studies are based on rodent models with circadian rhythms that are distinct from those of humans,potentially influencing the efficacy of Sirtuinstargeting drug ***,this review provides new insights into the role of Sirtuins in the pathology and treatment of cerebral ischemia-reperfusion injury.

关键词： apoptosis autophagy blood-brain barrier dietary supplements drug hormones inflammation neuroprotection oxidative stress prognosis pyroptosis reperfusion injury risk factors RNA therapeutics

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中药治疗小儿功能性消化不良的研究进展

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中草药 2017年第4期48卷 803-807页

作者：田子钰刘素香陈常青哈尔滨商业大学药学院黑龙江哈尔滨150076 天津药物研究院天津300193

功能性消化不良(FD)是消化系统最为常见的功能性胃肠疾病之一,该病发病率高,并有逐年增加趋势,已经成为一种严重危害儿童健康的重要疾病,该病的病因及发病机制目前尚未完全明确。西医治疗小儿FD主要采取对症治疗,但目前尚未得到满意的疗... 详细信息

功能性消化不良(FD)是消化系统最为常见的功能性胃肠疾病之一,该病发病率高,并有逐年增加趋势,已经成为一种严重危害儿童健康的重要疾病,该病的病因及发病机制目前尚未完全明确。西医治疗小儿FD主要采取对症治疗,但目前尚未得到满意的疗效,且有诸多的毒副作用,长期服用化学药,会产生一定不良反应。中药治疗FD疗效确切,且能有效改善病人的机体状态,同时副作用也较少,在治疗该病上具有明显的优势。对中药单体、单味中药、中药复方、中西医结合治疗FD进行综述,并分析探讨治疗小儿FD的中药开发前景及存在的问题。

关键词：中药小儿功能性消化不良中药单体中药复方中西医结合

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Advances in the Development of Gradient Scaffolds Made of Nano‑Micromaterials for Musculoskeletal Tissue Regeneration

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Nano-Micro Letters 2025年第3期17卷 455-500页

作者： Lei Fang Xiaoqi Lin Ruian Xu Lu liu Yu Zhang Feng tian Jiao Jiao Li Jiajia Xue Beijing Laboratory of Biomedical Materials Beijing University of Chemical TechnologyBeijing 100029People’s Republic of China State Key Laboratory of Organic‑Inorganic Composites Beijing University of Chemical TechnologyBeijing 100029People’s Republic of China School of Biomedical Engineering Faculty of Engineering and ITUniversity of Technology SydneySydneyNSW 2007Australia

The intricate hierarchical structure of musculoskeletal tissues,including bone and interface tissues,necessitates the use of complex scaffold designs and material structures to serve as tissue-engineered *** has led to growing interest in the development of gradient bone scaffolds with hierarchical structures mimicking the extracellular matrix of native tissues to achieve improved therapeutic *** on the anatomical characteristics of bone and interfacial tissues,this review provides a summary of current strategies used to design and fabricate biomimetic gradient scaffolds for repairing musculoskeletal tissues,specifically focusing on methods used to construct compositional and structural gradients within the *** latest applications of gradient scaffolds for the regeneration of bone,osteochondral,and tendon-to-bone interfaces are ***,the current progress of testing gradient scaffolds in physiologically relevant animal models of skeletal repair is discussed,as well as the challenges and prospects of moving these scaffolds into clinical application for treating musculoskeletal injuries.

关键词： Gradient scaffolds Musculoskeletal tissues Advanced manufacturing Biomaterials Tissue regeneration

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