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Emerging strategies for nerve repair and regeneration in ischemic stroke:neural stem cell therapy

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Neural Regeneration Research 2024年第11期19卷 2430-2443页

作者： Siji Wang Qianyan He Yang Qu Wenjing Yin Ruoyu Zhao Xuyutian Wang Yi Yang Zhen-Ni Guo Stroke Center Department of Neurologythe First Hospital of Jilin UniversityChangchunJilin ProvinceChina Neuroscience Research Center Department of Neurologythe First Hospital of Jilin UniversityChangchunJilin ProvinceChina Department of Breast Surgery General Surgery Centerthe First Hospital of Jilin UniversityChangchunJilin ProvinceChina

Ischemic stroke is a major cause of mortality and disability worldwide,with limited treatment options available in clinical *** emergence of stem cell therapy has provided new hope to the field of stroke treatment via the restoration of brain neuron *** neural stem cells are beneficial not only in cell replacement but also through the bystander *** stem cells regulate multiple physiological responses,including nerve repair,endogenous regeneration,immune function,and blood-brain barrier permeability,through the secretion of bioactive substances,including extracellular vesicles/***,due to the complex microenvironment of ischemic cerebrovascular events and the low survival rate of neural stem cells following transplantation,limitations in the treatment effect remain *** this paper,we provide a detailed summary of the potential mechanisms of neural stem cell therapy for the treatment of ischemic stroke,review current neural stem cell therapeutic strategies and clinical trial results,and summarize the latest advancements in neural stem cell engineering to improve the survival rate of neural stem *** hope that this review could help provide insight into the therapeutic potential of neural stem cells and guide future scientific endeavors on neural stem cells.

关键词： bystander effect cell replacement extracellular vesicles ischemic stroke neural stem cells neural stem cell engineering

Exosomes:the next-generation therapeutic platform for ischemic stroke

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Neural Regeneration Research 2025年第5期20卷 1221-1235页

作者： Wenjing Yin Hongyin Ma Yang Qu Jiaxin Ren Yingying Sun Zhen-Ni Guo Yi Yang Stroke Center Department of NeurologyFirst Hospital of Jilin UniversityChangchunJilin ProvinceChina Neuroscience Research Center Department of NeurologyFirst Hospital of Jilin UniversityChangchunJilin ProvinceChina

Current therapeutic strategies for ischemic stroke fall short of the desired objective of neurological functional ***,there is an urgent need to develop new methods for the treatment of this *** are natural cell-derived vesicles that mediate signal transduction between cells under physiological and pathological *** have low immunogenicity,good stability,high delivery efficiency,and the ability to cross the blood–brain *** physiological properties of exosomes have the potential to lead to new breakthroughs in the treatment of ischemic *** rapid development of nanotechnology has advanced the application of engineered exosomes,which can effectively improve targeting ability,enhance therapeutic efficacy,and minimize the dosages *** in technology have also driven clinical translational research on *** this review,we describe the therapeutic effects of exosomes and their positive roles in current treatment strategies for ischemic stroke,including their antiinflammation,anti-apoptosis,autophagy-regulation,angiogenesis,neurogenesis,and glial scar formation reduction ***,it is worth noting that,despite their significant therapeutic potential,there remains a dearth of standardized characterization methods and efficient isolation techniques capable of producing highly purified *** optimization strategies should prioritize the exploration of suitable isolation techniques and the establishment of unified workflows to effectively harness exosomes for diagnostic or therapeutic applications in ischemic ***,our review aims to summarize our understanding of exosome-based treatment prospects in ischemic stroke and foster innovative ideas for the development of exosome-based therapies.

关键词： blood–brain barrier electroacupuncture engineering exercise exosomes ischemic stroke mesenchymal stem cells microglia neuroprotection stents

Gp78 regulates PMP22 and causes ER stress and autophagy in EV71-VP1-overexpressing mouse Schwann cells

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BIOCELL 2024年第4期48卷 653-664页

作者： DANPING ZHU GUANGMING LIU KUAN FENG SUYUN LI DANDAN HU SIDA YANG PEIQING LI pediatric Emergency Department Guangzhou Women and Children’s Medical CenterGuangzhou Medical UniversityGuangdong Provincial Clinical Research Center for Child HealthGuangzhouChina Department of Child Health Care Guangzhou Women and Children’s Medical CenterGuangzhou Medical UniversityGuangdong Provincial Clinical Research Center for Child HealthGuangzhouChina pediatric neurology Department Guangzhou Women and Children’s Medical CenterGuangzhou Medical UniversityGuangdong Provincial Clinical Research Center for Child HealthGuangzhouChina

Background:During Enterovirus type 71(EV71)infection,the structural viral protein 1(VP1)activates endoplasmic reticulum(ER)stress associated with peripheral myelin protein 22(PMP22)accumulation and induces ***,the speciﬁc mechanism behind this process remains ***:In this research,we used the VP1-overexpressing mouse Schwann cells(SCs)models co-transfected with a PMP22 silencing or Autocrine motility factor receptor(AMFR/gp78)overexpressing vector to explore the regulation of gp78 on PMP22 and its relationship with autophagy and ***:The activity of gp78 could be inﬂuenced by EV71-VP1,leading to a decrease in the ubiquitination and degradation of PMP22,resulting in PMP22 accumulation in *** VP1-overexpressing mouse SCs,all three ER stress sensors,including pancreatic endoplasmic reticulum kinase(PERK),activating transcription factor 6(ATF6)and inositol-requiring enzyme 1(IRE1)and the related downstream signals(C/EBP-homologous protein(CHOP)and Caspase 12)were activated,as well as the ER-resident chaperone Glucose-regulated protein 78(GRP78).In addition,VP1 upregulated the autophagy marker Microtubule-associated protein 1 light chain 3 beta(LC3B),while PMP22 silencing or gp78 overexpression reversed the ***,PMP22 silencing or gp78 overexpression increased proliferation of EV71-VP1-transfected mouse ***:Gp78 could regulate PMP22 accumulation through ubiquitination degradation and cause ER stress and autophagy in EV71-VP1-overexpressing mouse ***,the gp78/PMP22/ER stress axis might emerge as a promising therapeutic target for myelin and neuronal damage induced by EV71 infection.

关键词： Enterovirus type 71 AMFR/gp78 PMP22 Autophagy Schwann cells

Expert consensus on pediatric orthodontic therapies of malocclusions in children

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International Journal of Oral Science 2024年第2期16卷 186-196页

作者： Chenchen Zhou Peipei Duan Hong He Jinlin Song Min Hu Yuehua Liu Yan Liu Jie Guo Fang Jin Yang Cao Lingyong Jiang Qingsong Ye Min Zhu Beizhan Jiang Wenhua Ruan Xiao Yuan Huang Li Rui Zou Yulou Tian Li Gao Rui Shu Jianwei Chen Renkai Liu Shujuan Zou Xiaobing Li State key laboratory of Oral Diseases&National Center for Stomatology&National Clinical Research Center for Oral Diseases&Department of pediatric Dentistry West China Hospital of StomatologySichuan UniversityChengduChina State key laboratory of Oral Diseases&National Center for Stomatology&National Clinical Research Center for Oral Diseases&Department of Orthodontics West China Hospital of StomatologySichuan UniversityChengduChina State key laboratory of Oral and Maxillofacial Reconstruction and Regeneration&key laboratory of Oral Biomedicine Ministry of Education&Hubei key laboratory of Stomatology&Department of Orthodontics&Center for Dentofacial Development and Sleep Medicine School and Hospital of StomatologyWuhan UniversityWuhanChina Chongqing key laboratory of Oral Diseases and Biomedical Sciences&Chongqing Municipal key laboratory of Oral Biomedical Engineering of Higher Education Stomatological Hospital of Chongqing Medical UniversityChongqing Medical University&College of StomatologyChongqing Medical UniversityChongqingChina Department of Orthodontics Hospital of StomatologyJilin UniversityChangchunChina Department of Orthodontic&Oral Biomedical Engineering laboratory Shanghai Stomatological HospitalFudan UniversityShanghaiChina Department of Orthodontics Central LaboratoryPeking University School and Hospital for Stomatology&National Center for Stomatology&National Clinical Research Center for Oral Diseases&National Engineering Research Center of Oral Biomaterials and Digital Medical Devices&Beijing Key Laboratory of Digital Stomatology&Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health&NMPA Key Laboratory for Dental Materials&National Engineering Research Center of Oral Biomaterials and Digital Medical DevicesBeijingChina Department of Orthodontics School and Hospital of StomatologyCollege of MedicineShandong University&Shandong Key Laboratory of Oral Tissue Regeneration&Shandong Engineering Laboratory for Dental Materials and Oral Tissue

Malocclusion,identified by the World Health Organization(WHO)as one of three major oral diseases,profoundly impacts the dental-maxillofacial functions,facial esthetics,and long-term development of~260 million children in *** its physical manifestations,malocclusion also significantly influences the psycho-social well-being of these *** intervention in malocclusion can foster an environment conducive to dental-maxillofacial development and substantially decrease the incidence of malocclusion or reduce the severity and complexity of malocclusion in the permanent dentition,by mitigating the negative impact of abnormal environmental influences on the *** orthodontic treatment encompasses accurate identification and treatment of dental and maxillofacial morphological and functional abnormalities during various stages of dental-maxillofacial development,ranging from fetal stages to the early permanent dentition *** an economic and societal standpoint,the urgency for effective early orthodontic treatments for malocclusions in childhood cannot be overstated,underlining its profound practical and social *** consensus paper discusses the characteristics and the detrimental effects of malocclusion in children,emphasizing critical need for early *** elaborates on corresponding core principles and fundamental approaches in early orthodontics,proposing comprehensive guidance for preventive and interceptive orthodontic treatment,serving as a reference for clinicians engaged in early orthodontic treatment.

关键词： permanent stated children

Deliberate self-harm among pediatric psychiatric inpatients in China:A single-center retrospective study

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World Journal of Psychiatry 2024年第3期14卷 398-408页

作者： Xing-Zhi Jiang Huan-Huan Li Zhen-Zhen Yu Chen Wang Department of Child and Adolescent Psychiatry Shenzhen Kangning HospitalShenzhen Mental Health CenterShenzhen Key Laboratory for Psychological Healthcare and Shenzhen Institute of Mental HealthShenzhen 518020Guangdong ProvinceChina Department of Psychiatry Xiamen Xianyue HospitalXiamen 361012Fujian ProvinceChina Department of Geriatric Medicine Dalian Medical UniversityDalian 116000Liaoning ProvinceChina Department of neurology The Second Affiliated Hospital of Xiamen Medical CollegeXiamen 361000Fujian ProvinceChina Department of neurology and Department of Neuroscience The First Affiliated Hospital of Xiamen UniversitySchool of MedicineXiamen UniversityXiamen 361000Fujian ProvinceChina

BACKGROUND For children and adolescents,deliberate self-harm(DSH)is becoming a mental health problem of *** several studies on the prevalence and factors of DSH in the world,there is little information on DSH among children and adolescents in *** study explores the prevalence,types,associated risk factors and tendency of DSH in pediatric psychiatric inpatients in *** To understand the situation of DSH among hospitalized children and adolescents and its related *** In this study,we retrospectively studied 1414 hospitalized children and adolescents with mental illness at Xiamen Mental Health Center from 2014 to 2019,extracted the demographic and clinical data of all patients,and analyzed clinical risk factors of *** A total of 239(16.90%)patients engaged in at least one type of DSH in our ***(n=115,48.12%)was the most common type of ***(n=171,71.55%)were more likely to engage in DSH than males(n=68,28.45%).DSH was positively associated with depressive disorders[OR=3.845(2.196-6.732);P<0.01],female[OR=2.536(1.815-3.542);P<0.01],parental marital status[OR=5.387(2.254-12.875);P<0.01]and negative family history of psychiatric illness[OR=7.767(2.952-20.433);P<0.01],but not with occupation,substance use and history of physical *** Our findings suggest that for patients with depression,females,an abnormal marriage of parents,and no history of mental illness,attention should be paid to the occurrence of DSH.

关键词： Deliberate self-harm Children Adolescent Psychiatric inpatients Retrospective study

Late-onset Leigh syndrome without delayed development in China:A case report

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World Journal of Clinical Cases 2021年第24期9卷 7133-7138页

作者： Jian-Min Liang Cui-Juan Xin Guang-Liang Wang Xue-Mei Wu Department of pediatric neurology 1st Hospital of Jilin UniversityChangchun 130021Jilin ProvinceChina Department of pediatric neurology Jilin Provincial Key Laboratory of Pediatric NeurologyChangchun 130021Jilin ProvinceChina Department of Cardiology Dalinghe Hospital of Far Eastern HorizonDalinghe 121200Liaoning ProvinceChina

BACKGROUND Leigh syndrome(LS)is one of the most common mitochondrial diseases in infants and *** often manifests as early-onset with delayed phenotypic ***,late-onset LS with normal development and white matter lesions in the brain is rarely reported,thereby highlighting the phenotypic variability of LS *** SUMMARY We report a 12-year-old boy who presented with an unusual late-onset and fulminant form of LS that is maternally inherited without developmental *** patient was admitted to the hospital with symptoms of ptosis and somnolence,and died within 2 *** of peripheral blood leukocytes showed a homoplasmic m.9176T>C mutation in the *** resonance imaging also revealed lesions in bilateral white matter as well as symmetrical lesions in the basal ganglia and brain *** patient was diagnosed with *** patient was treated with vitamin C,vitamin D,and *** patient died within 2 mo of hospital *** LS can present in both infants and older children with different phenotypes.

关键词： Leigh syndrome 9176 mutation Late-onset Case report

IL-2-loaded Polypeptide Nanoparticles for Enhanced Anti-cancer Immunotherapy

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Chinese Journal of Polymer Science 2023年第7期41卷 1059-1068页

作者： Xiao-Shuang Wang Zhao-Shi Zheng Meng-Fei Zheng Di Wang Hong-Lei Zhang Zhen-Qian Zhang Zhi-Lin Liu Zhao-Hui Tang Xue-Mei Han No.1 Department of neurology China-Japan Union Hospital of Jilin UniversityChangchun130033China key laboratory of Polymer Ecomaterials Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun130022China jilin Biomedical Polymers Engineering laboratory Changchun130022China School of Applied Chemistry and Engineering University of Science and Technology of ChinaHefei230026China key laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education and key laboratory of Polymeric Materials&Application Technology of Hunan Province Xiangtan UniversityXiangtan411105China

Interleukin 2 (IL-2) is widely used as an active immunotherapeutic agent in clinical metastatic cancers. However, its therapeutic concentrations do not last long due to its short half-life. Thus, only a transient proliferation of the anti-cancer CD8+ T cells can be achieved, resulting in poor efficacy. Therefore, the aim of this work was to create a system that promotes CD8+ T cell proliferation at the tumor site using IL-2 persistently present and activates an anti-cancer immune response. This goal was achieved by the design of the IL-2-loaded polypeptide nanoparticles (P-IL-2) where methoxy poly(ethylene glycol) block poly-[(N-2-hydroxyethyl)-aspartamide] phenylboronic acid was used to encapsulate IL-2 through boron-nitrogen coordination with poly(L-lysine). P-IL-2 significantly prolonged the circulation time of IL-2 and achieved a selective drug release at the tumor site in the presence of high levels of reactive oxygen species, thus activating an anti-cancer immune response and exerting a better anti-cancer effect. The half-life of P-IL-2 was 3.15-fold higher than that of IL-2, and the quantity of CD8+ T cells after using P-IL-2 was 1.89-fold higher than that after using IL-2. In addition, the combination of P-IL-2 and anti-CTLA-4 monoclonal antibody resulted in an enhanced immune activation. Hence, this work provides a new approach to improve the efficacy of IL-2 in anti-cancer immunotherapy.

关键词： Polypeptide Phenylboronic acid Boron-nitrogen coordination Interleukin 2 ROS-responsive

Diagnosis,treatment and prevention of severe acute respiratory syndrome coronavirus 2 infection in children:experts'consensus statement updatedforthe Omicron variant

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World Journal of pediatrics 2024年第3期20卷 272-286页

作者： Rong-Meng Jiang Zheng-De Xie Yi Jiang Xiao-Xia Lu Run-Ming Jin Yue-Jie Zheng Yun-Xiao Shang Bao-Ping Xu Zhi-Sheng Liu Gen Lu Ji-Kui Deng Guang-Hua Liu Xiao-Chuan Wang Jian-She Wang Lu-Zhao Feng Wei Liu Yi Zheng Sai-Nan Shu Min Lu Wan-Jun Luo Miao Liu Yu-Xia Cui Le-Ping Ye A-Dong Shen Gang Liu Li-Wei Gao Li-Juan Xiong Yan Bai Li-Kai Lin Zhuang Wei Feng-Xia Xue Tian-You Wang Dong-Chi Zhao Jian-Bo Shao Daniel Kwok-keung Ng Gary Wing-kin Wong Zheng-Yan Zhao Xing-Wang Li Yong-Hong Yang Kun-Ling Shen Diagnosis and Treatment Center of Infectious Diseases Beijing Ditan HospitalCapital Medical UniversityBeijing 100015China Beijing key laboratory of pediatric Respiratory Infection Diseases Key Laboratory of Major Diseases in ChildrenMinistry of EducationNational Clinical Research Center for Respiratory DiseasesResearch Unit of Critical Infection in ChildrenChinese Academy of Medical Sciences2019RU016Laboratory of Infection and VirologyBeijing Pediatric Research InstituteBeijing Children's HospitalCapital Medical UniversityNational Center for Children's HealthBeijing 100045China Department of pediatrics Renmin Hospital of Wuhan UniversityWuhan 430060China Department of Respiratory Wuhan Children's HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430016China Department of pediatrics Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China Department of Respiratory Shenzhen Children's HospitalShenzhen 518038China Department of pediatric Respiratory Shengjing Hospital Affiliated to China Medical UniversityShenyang 110004China Department of Respiratory Beijing Children's HospitalCapital Medical UniversityNational Clinical Research Center for Respiratory DiseasesNational Center for Children's HealthBeijing 100045China Department of neurology Wuhan Children's HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430016China Department of Respiratory Guangzhou Women and Children's Medical CenterGuangzhou 510623China Department of Infectious Diseases Shenzhen Children's HospitalShenzhen 518038China Department of pediatrics Fujian Branch of Shanghai Children's Medical CenterFujian Children's HospitalFuzhou350005China Department of Clinical Immunology and Allergy Children's Hospital of Fudan UniversityNational Center for Children's HealthShanghai 201102China Department of Infectious Diseases Children's Hospital of Fudan UniversityNational Center for Children's Health.Shanghai

It has been more than 3 years since the novel coronavirus(SARS-CoV-2)pandemic raged *** coronavirus disease 2019(COVID-19)has greatly influenced human *** to data from the World Health Organization(WHO),there were ove... 详细信息

关键词： prevention infection statement

Expert consensus on early childhood caries management

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International Journal of Oral Science 2022年第3期14卷 231-244页

作者： Jing Zou Qin Du Lihong Ge Jun Wang Xiaojing Wang Yuqing Li Guangtai Song Wei Zhao Xu Chen Beizhan Jiang Yufeng Mei Yang Huang Shuli Deng Hongmei Zhang Yanhong Li Xuedong Zhou State key laboratory of Oral Diseases&National Clinical Research Centre for Oral Diseases&Department of pediatric Dentistry West China Hospital of StomatologySichuan UniversityChengduChina Department of Stomatology Sichuan Provincial People’s HospitalUniversity of Electronic Science and Technology of ChinaChengduChina Department of pediatric Dentistry Peking University School and Hospital of StomatologyBeijingChina Ninth People’s Hospital School of MedicineShanghai Jiao Tong UniversityDepartment of Pediatric DentistryShanghai Key Laboratory of StomatologyShanghaiChina State key laboratory of Military Stomatology National Clinical Research Center for Oral DiseasesShanxi Key Laboratory of Military StomatologyDepartment of Pediatric DentistrySchool of StomatologyFourth Military Medical UniversityXi’anChina State key laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases West China School of StomatologySichuan UniversityChengduChina Department of pediatric Dentistry School and Hospital of StomatologyWuhan UniversityWuhanChina Department of pediatric Dentistry Guanghua School of StomatologyGuangdong Provincial Key Laboratory of StomatologySun Yat‑Sen UniversityGuangzhouChina Department of pediatric Dentistry School and Hospital of StomatologyChina Medical UniversityShenyangChina Department of pediatric Dentistry School and Hospital of StomatologyTongji UniversityShanghai Engineering Research Center of Tooth Restoration and RegenerationShanghaiChina Department of pediatric Dentistry Affiliated Stomatological HospitalNanjing Medical UniversityNanjingChina Department of pediatric Dentistry Hospital of StomatologyJilin UniversityChangchunChina The Affiliated Hospital of Stomatology School of StomatologyZhejiang University School of Medicineand Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceHangzhouChina Department of pediatric Dentistry The Affiliated Stomatological Hospital of Chongqing Medical UniversityChongqing Key Laboratory of Or

Early childhood caries(ECC)is a significant chronic disease of childhood and a rising public health burden *** may cause a higher risk of new caries lesions in both primary and permanent dentition,affecting lifelong oral *** occurrence of ECC has been closely related to the core microbiome change in the oral cavity,which may be influenced by diet habits,oral health management,fluoride use,and dental ***,it is essential to improve parental oral health and awareness of health care,to establish a dental home at the early stage of childhood,and make an individualized caries management *** interventions according to the minimally invasive concept should be carried out to treat dental *** expert consensus mainly discusses the etiology of ECC,caries-risk assessment of children,prevention and treatment plan of ECC,aiming to achieve lifelong oral health.

关键词： ECC Expert consensus on early childhood caries management