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Melatonin improves synapse development by PI3K/Akt signaling in a mouse model of autism spectrum disorder

Neural Regeneration Research 2024年第7期19卷 1618-1624页

作者： Luyi Wang man Xu Yan Wang Feifei Wang jing Deng Xiaoya Wang Yu Zhao Ailing Liao Feng yang Shali Wang Yingbo Li Institute of Neuroscience Department of PhysiologySchool of Basic Medical ScienceChongqing Medical UniversityChongqingChina Department of Pediatric Chongqing University Fuling HospitalChongqingChina Department of Neurosurgery Xinqiao HospitalArmy Medical UniversityChongqingChina Department of Pathology Affiliated Hospital of North Sichuan Medical CollegeNanchongSichuan ProvinceChina NHC Key Laboratory of Birth Defects and Reproductive Health Chongqing Population and Family Planning Science and Technology Research InstituteChongqingChina China National Clinical Research Center for Neurological Diseases Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Advanced Innovation Center for Human Brain Protection Capital Medical UniversityBeijingChina

Autism spectrum disorders are a group of neurodevelopmental disorders involving more than 1100 genes,including Ctnnd2 as a candidate gene.Ctnnd2knockout mice,serving as an animal model of autis m,have been demonstrated to exhibit decreased density of dendritic spines.The role of melatonin,as a neuro hormone capable of effectively alleviating social interaction deficits and regulating the development of dendritic spines,in Ctnnd2 deletion-induced nerve injury remains unclea r.In the present study,we discove red that the deletion of exon 2 of the Ctnnd2 gene was linked to social interaction deficits,spine loss,impaired inhibitory neurons,and suppressed phosphatidylinositol-3-kinase(PI3K)/protein kinase B(Akt) signal pathway in the prefrontal cortex.Our findings demonstrated that the long-term oral administration of melatonin for 28 days effectively alleviated the aforementioned abnormalities in Ctnnd2 gene-knockout mice.Furthermore,the administration of melatonin in the prefro ntal cortex was found to improve synaptic function and activate the PI3K/Akt signal pathway in this region.The pharmacological blockade of the PI3K/Akt signal pathway with a PI3K/Akt inhibitor,wo rtmannin,and melatonin receptor antagonists,luzindole and 4-phenyl-2-propionamidotetralin,prevented the melatonin-induced enhancement of GABAergic synaptic function.These findings suggest that melatonin treatment can ameliorate GABAe rgic synaptic function by activating the PI3K/Akt signal pathway,which may contribute to the improvement of dendritic spine abnormalities in autism spectrum disorders.

关键词： autism Ctnnd2 deletion GABAergic neurons melatonin PI3K/Akt signal pathway prefrontal cortex social behavior spine density synaptic-associated proteins

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Factors affecting meibomian gland area loss in symptomatic adults

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International Journal of Ophthalmology(English edition) 2024年第6期17卷 1036-1041页

作者： Si-Cheng Ding jing-jing Su Qing Zhan Jiao-man Wang Fang Zheng Xu-Xuan Fang Dan Cheng Ping Guo The Second Clinical Medical College Jinan UniversityShenzhen 518000Guangdong ProvinceChina Shenzhen Eye Hospital Jinan UniversityShenzhen Eye InstituteShenzhen 518040Guangdong ProvinceChina Department of Ophthalmology Jinzhou Medical UniversityJinzhou 121000Liaoning ProvinceChina

AIM:To characterize the distribution of meibomian gland(MG)area loss(MGL)and its relationship with demographic characteristics,mites,and symptoms.METHODS:This retrospective observational study included patients who visited the Dry Eye Clinic of Shenzhen Eye Hospital between June 2020 and August 2021.General patient characteristics,ocular symptoms,Demodex test results of the eyelid edges,and the results of a comprehensive ocular surface analysis were collected.MGL was analyzed using Image J software.RESULTS:This study enrolled 1204 outpatients aged 20-80(40.70±13.44)y,including 357 males(29.65%)and 847 females(70.35%).The patients were classified into mild(n=155;12.87%),moderate(n=795;66.03%),severe(n=206;17.11%),and extremely severe(n=48;3.99%)MGL groups.MGL was significantly larger in female than in male(P=0.006).The degree of MGL also significantly differed in age(P<0.001)and the more numbers of mites with severity(P<0.001).Multivariate disordered multinomial logistic regression analysis identified that female sex,older age,secretory symptoms,and a large number of mites were risk factors for MGL(P<0.05).CONCLUSION:Patients with MGL are more likely to be older,female,more numbers of mites,and increased secretion.

关键词： meibomianglands aging sex symptomatology Demodex

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Quantum squeezing induced nonreciprocal phonon laser

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Science China(Physics,Mechanics & Astronomy) 2024年第6期67卷 20-30页

作者： Tian-Xiang Lu Yan Wang Keyu Xia Xing Xiao Le-man Kuang Hui jing College of Physics and Electronic Information Gannan Normal UniversityGanzhou 341000China Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education Department of Physics and Synergetic Innovation Center for Quantum Effects and ApplicationsHunan Normal UniversityChangsha 410081China Academy for Quantum Science and Technology Zhengzhou University of Light IndustryZhengzhou 450002China College of Engineering and Applied Sciences National Laboratory of Solid State Microstructuresand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210023China

Phonon lasers or coherent amplifications of mechanical oscillations are powerful tools for fundamental studies on coherent acoustics and hold potential for diverse applications,ranging from ultrasensitive force sensing to phononic information processing.Here,we propose the use of an optomechanical resonator coupled to a nonlinear optical resonator for directional phonon lasing.We find that by pumping the nonlinear optical resonator,directional optical squeezing can occur along the pump direction.As a result,we can achieve the directional mechanical gain using directional optical squeezing,thereby leading to nonreciprocal phonon lasing with a well-tunable directional power threshold.Our work proposes a feasible way to build nonreciprocal phonon lasers with various nonlinear optical media,which are important for a wide range of applications,such as directional acoustic amplifiers,invisible sound sensing or imaging,and one-way phononic networks.

关键词： nonreciprocal phonon laser directional quantum squeezing optomechanics

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Heterostructure:application of absorption-catalytic center in lithium-sulfur batteries

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Rare Metals 2024年第4期43卷 1461-1487页

作者： Fei Wang Chun-man yang Yong-Qi Wang Dan You Wen-Hao yang Rong-Wei Huang Ji-Yue Hou Qian Wang Ying-Jie Zhang Ying Wang Yue-jing Zeng Yi-Yong Zhang Xue Li National Local Joint Engineering Research Center for Lithium-Ion Batteries and Materials Preparation Technology Key Laboratory of Advanced Batteries Materials of Yunnan ProvinceFaculty of Metallurgical and Energy Engineering Kunming University of Science and Technology College of Electrical Information Engineering Panzhihua University State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Centre of Chemistry for Energy MaterialsState-Province Joint Engineering Laboratory of Power Source Technology for New Energy VehicleEngineering Research Center of Electrochemical TechnologyMinistry of EducationCollege of Chemistry and Chemical Engineering Xiamen University

Due to the high theoretical specific capacity(1675 mAh·g-1),low cost,and high safety of the sulfur cathodes,they are expected to be one of the most promising rivals for a new generation of energy storage systems.However,the shuttle effect,low conductivity of sulfur and its discharge products,volume expansion,and other factors hinder the commercialization of lithium-sulfur batteries（LSBs）.The development of sulfur-fixing materials and the design of multifunctional materials to enhance the electrochemical performance of LSBs have been the main research priorities in recent years.Because of the advantages of high conductivity,built-in electric field,and good synergism,more and more researchers have employed heterostructure into sulfur-fixing materials to enhance the catalytic and absorption ability for polysulfides.In this review,the principle of heterostructure and the mechanism of enhancing the performance of lithium-sulfur batteries are described.The applications of heterostructure in cathode and interlayer of LSBs in the latest years are summarized.Finally,the cutting-edge troubles and possibilities of heterostructures in LSBs are briefly presented.

关键词： Lithium–sulfur batteries (LSBs) Heterostructure Built-in electric field Catalytic Absorption

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Oral anti-coagulants use in Chinese hospitalized patients with atrial fibrillation

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Chinese Medical Journal 2024年第2期137卷 172-180页

作者： jing Lin Deyong Long Chenxi Jiang Caihua Sang Ribo Tang Songnan Li Wei Wang Xueyuan Guo man Ning Zhaoqing Sun Na yang Yongchen Hao Jun Liu jing Liu Xin Du Louise Morgan Gregg C.Fonarow Sidney C.Smith Jr Gregory Y.H.Lip Dong Zhao Jianzeng Dong Changsheng Ma On behalf of CCC-AF investigators Department of Cardiology Beijing Anzhen HospitalCapital Medical UniversityBeijing 100029China National Clinical Research Center for Cardiovascular Diseases Beijing 100029 China Department of Epidemiology Beijing Anzhen HospitalCapital Medical UniversityBeijing Institute of HeartLung and Blood Vessel DiseasesBeijing 100029China International Quality Improvement Department American Heart AssociationDallasTX 07076USA Division of Cardiology Geffen School of Medicine at University of CaliforniaLos Angeles CA 90024USA Division of Cardiology University of North CarolinaChapel HillNC 27599USA Department of Cardiology Liverpool Centre for Cardiovascular ScienceUniversity of Liverpool and Liverpool Heart&Chest HospitalLiverpool L143PEUK Department of Clinical Medicine Aalborg UniversityAalborg 9000Denmark 不详

Background:Oral anti-coagulants(OAC)are the intervention for the prevention of stroke,which consistently improve clinical outcomes and survival among patients with atrial fibrillation(AF).The main purpose of this study is to identify problems in OAC utilization among hospitalized patients with AF in China.Methods:Using data from the Improving Care for Cardiovascular Disease in China-Atrial Fibrillation(CCC-AF)registry,guideline-recommended OAC use in eligible patients was assessed.Results:A total of 52,530 patients with non-valvular AF were enrolled from February 2015 to December 2019,of whom 38,203 were at a high risk of stroke,9717 were at a moderate risk,and 4610 were at a low risk.On admission,only 20.0%(6075/30,420)of patients with a diagnosed AF and a high risk of stroke were taking OAC.The use of pre-hospital OAC on admission was associated with a lower risk of new-onset ischemic stroke/transient ischemic attack among the diagnosed AF population(adjusted odds ratio:0.54,95%confidence interval:0.43-0.68;P70%of AF patients were at a high risk of stroke.Although poor performance on guideline-recommended OAC use was found in this study,over time the CCC-AF project has made progress in stroke prevention in the Chinese AF population.Registration:ClinicalTrials.gov,NCT02309398.

关键词： Atrial fibrillation Oral anti-coagulants OAC Stroke prevention Contraindication

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Laryngeal leiomyoma:A case report and review of literature

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World Journal of Clinical Cases 2024年第18期12卷 3529-3533页

作者： Yu Wu jing-man Li Tian-Jiao Zhang Xin Wang Department of Otolaryngology Head and Neck SurgeryThe First Hospital of Jilin UniversityChangchun 130000Jilin ProvinceChina

BACKGROUND Leiomyomas(LMs)are mesenchymal tumors that arise from smooth muscle cells.LMs most commonly arise in organs with an abundance of smooth muscle such as the uterus and gastrointestinal tract.Conversely,LMs are rarely detected in the head and neck region.In this study,we report a rare case of laryngeal LM(LLM)and summarized the clinical characteristics of reported LLMs to help clinicians better understand this rare disease and improve its diagnosis,treatment,and postoperative course.CASE SUMMARY A 49-year-old man was admitted to our ENT outpatient clinic with a chief complaint of pharynx discomfort for 2 months.Laryngoscopy performed under topical anesthesia revealed a solitary,pink mass at the tubercle of epiglottis.Surgery via laryngeal endoscopy was performed under general anesthesia,and the lesion was excised easily.Positive immunohistochemical staining for desmin and smooth-muscle actin indicated a smooth muscle origin and the diagnosis was laryngeal leiomyoma.After surgery,the patient’s condition was stable,and he was discharged 2 d after surgery.During the 1-year postoperative period,the patient’s condition remained stable without evidence of recurrence.CONCLUSION Surgical resection is the preferred treatment for LLMs,its early diagnosis and differential diagnosis have important clinical significance.

关键词： Leiomyoma Larynx Smooth tumor Endoscopic surgery Case report

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Electroacupuncture targeting the immune system to alleviate sepsis

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Acupuncture and Herbal Medicine 2024年第1期4卷 56-67页

作者： Mengyue Fang Yuye Lan man Li Chennan Li Bin Xu Yan Ma Sulukkana Noiprasert Xianghong jing Lingling Yu Tongji Hospital Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina School of Basic Medicine Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina Key Laboratory of Integrated Acupuncture and Medicine Research of Ministry of Education Nanjing University of Chinese MedicineNanjingChina Wuhan No.1 Hospital Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina School of Integrative Medicine Mae Fah Luang UniversityChiangraiThailand Institute of Acupuncture and Moxibustion China Academy of Chinese Medical SciencesBeijingChina Institute of Integrated Traditional Chinese and Western Medicine Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina

Sepsis is a life-threatening inflammatory syndrome with high morbidity and mortality rates.However,options for sepsis are still limited to general treatment in intensive care units(ICUs),and effective therapies that improve sepsis survival are required.Immune disturbances play a vital role in the pathology of sepsis and are associated with protracted inflammation,susceptibility to infections,and death.Therefore,many investigators have focused on the potential benefits of immunomodulation therapy for sepsis.Electroacupuncture(EA)has been practiced in clinics for many years and has shown advantages in treating infectious diseases.Over the last few decades,our understanding of the efficacy and mechanisms of EA in sepsis has undergone considerable developments.We searched the literature regarding“CNKI,Wan Fang Data,VIP Database,PubMed,and Ingenta Connect”from 2010 to 2023,using the keywords“sepsis”“septic”and“electroacupuncture”and 336 sources were searched.Finally,we included 82 studies that targeted the immune system to determine EA’s anti-inflammatory and immunomodulatory effects on sepsis.In this review,we found that EA has clinical benefits in relieving septic inflammation,improving immune function,and attenuating related multi-organ injury through several mechanisms,such as activation of the cholinergic anti-inflammatory pathway(CAP),vagaladrenal axis,inhibition of the nuclear factor Kappa-B(NF-κB)signaling pathway,signal transducers and activators of transcription(STAT)signaling pathway,and improvement of immune cell function.Therefore,EA may be a promising complementary therapy for sepsis treatment.We also expect these data will contribute to further studies on EA in sepsis.

关键词： Cholinergic anti-inflammatory pathway Electroacupuncture Nuclear factor Kappa-B Sepsis Signal transducers and activators of transcription Vagal-adrenal axis

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Senktide blocks aberrant RTN3 interactome to retard memory decline and tau pathology in social isolated Alzheimer’s disease mice

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Protein & Cell 2024年第4期15卷 261-284页

作者： He-Zhou Huang Wen-Qing Ai Na Wei Ling-Shuang Zhu Zhi-Qiang Liu Chao-Wen Zhou man-Fei Deng Wen-Tao Zhang Jia-Chen Zhang Chun-Qing yang Ya-Zhuo Hu Zhi-Tao Han Hong-Hong Zhang Jian-Jun Jia jing Wang Fang-Fang Liu Ke Li Qi Xu Mei Yuan Hengye man Ziyuan Guo Youming Lu Kai Shu Ling-Qiang Zhu Dan Liu Department of Pathophysiology School of Basic MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Department of Medical Genetics School of Basic MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Department of Pathology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450002China Department of Pathology School of Basic MedicineZhengzhou UniversityZhengzhou 450002China The Second Affiliated Hospital Department of NeurologyHengyang Medical SchoolUniversity of South ChinaHengyang 421001China Beijing Key Laboratory of Aging and Geriatrics National Clinical Research Center for Geriatric DiseaseInstitute of GeriatricsChinese PLA General Hospital and Chinese PLA Medical AcademyBeijing 100853China Department of Neurosurgery Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Department of Neurology Union HospitalHuazhong University of Science and TechnologyWuhan 430022China Department of Biology Boston UniversityBostonMA 02215USA Center for Stem Cell and Organoid Medicine(CuSTOM) Division of Developmental BiologyCincinnati Children’s Hospital Medical CenterCincinnatiOH 45229USA

Sporadic or late-onset Alzheimer’s disease(LOAD)accounts for more than 95%of Alzheimer’s disease(AD)cases without any family history.Although genome-wide association studies have identified associated risk genes and loci for LOAD,numerous studies suggest that many adverse environmental factors,such as social isolation,are associated with an increased risk of dementia.However,the underlying mechanisms of social isolation in AD progression remain elusive.In the current study,we found that 7 days of social isolation could trigger pattern separation impairments and presynaptic abnormalities of the mossy fibre-CA3 circuit in AD mice.We also revealed that social isolation disrupted histone acetylation and resulted in the downregulation of 2 dentate gyrus(DG)-enriched miRNAs,which simultaneously target reticulon 3(RTN3),an endoplasmic reticulum protein that aggregates in presynaptic regions to disturb the formation of functional mossy fibre boutons(MFBs)by recruiting multiple mitochondrial and vesicle-related proteins.Interestingly,the aggregation of RTN3 also recruits the PP2A B subunits to suppress PP2A activity and induce tau hyperphosphorylation,which,in turn,further elevates RTN3 and forms a vicious cycle.Finally,using an artificial intelligence-assisted molecular docking approach,we determined that senktide,a selective agonist of neurokinin3 receptors(NK3R),could reduce the binding of RTN3 with its partners.Moreover,application of senktide in vivo effectively restored DG circuit disorders in socially isolated AD mice.Taken together,our findings not only demonstrate the epigenetic regulatory mechanism underlying mossy fibre synaptic disorders orchestrated by social isolation and tau pathology but also reveal a novel potential therapeutic strategy for AD.

关键词： Alzheimer’s disease memory impairment synaptic disorder tau pathology

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构筑开放锡位点实现酸性增强的二甲醚羰基化丝光沸石催化剂设

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Engineering 2024年第4期35卷 104-114页

作者： Ying Li man Yu Guodong Qi Yunduo Liu jing Lv Shouying Huang Xinbin Ma Key Laboratory for Green Chemical Technology of Ministry of Education Collaborative Innovation Center of Chemical Science and EngineeringSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin 300350China National Center for Magnetic Resonance in Wuhan&State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics&Key Laboratory of Magnetic Resonance in Biological Systems Wuhan Institute of Physics and MathematicsInnovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan 430071China Inner Mongolia Key Laboratory of Industrial Catalysis College of Chemical EngineeringInner Mongolia University of TechnologyHohhot 010051China

Due to their tunable acidity,shape selectivity,and excellent stability,zeolites are of great importance as solid acid materials in industrial catalysis.Tuning the properties of the acid sites in zeolites allows for the rational design and fabrication of catalysts for target reactions.Dimethyl ether(DME)carbonylation,a critical chain-growth reaction for C1 resource utilization,is selectively catalyzed by the Brønsted acid sites within the eight-membered rings(8-MRs)of mordenite(MOR).It is anticipated that strengthening the Brønsted acidity—particularly in 8-MRs—will improve the catalytic performance of MOR.In this work,density functional theory(DFT)calculations are first employed and the results used to design a modified MOR with stannum(Sn)and to predict the corresponding changes in acidity.Guided by the theoretical studies,a series of Sn-modified MOR are synthesized via a defect-engineering and subsequent heteroatom-substitution strategy.After partial desilication,isolated tetrahedral Sn species in an open configuration are successfully synthesized for the first time,within which tetrahedrally coordinated Al sites are preserved.An acidic characterization is used to confirm that the acidity of the Brønsted acid sites is enhanced by the introduction of the Sn species;as a result,the sample exhibits excellent activity in DME carbonylation reaction.Kinetic and DFT studies reveal that this strengthened acidity facilitates the adsorption of DME and reduces the activation barriers of DME dissociation and acetyl formation,accounting for the improved activity.The work demonstrates mechanistic insights into the promoting effects of strong acidity on DME carbonylation and offers a promising strategy to precisely control the acidic strength of zeolites.

关键词： Zeolite Sn modification Carbonylation Brønsted acid catalysis Acidic strength

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Changes of mitochondrial dynamics during the progression of non-alcoholic fatty liver disease: a review

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Biomedical Engineering Communications 2024年第1期3卷 15-20页

作者： man-Na Li Ling yang Huan-Tian Cui Jia-Bao Liao Ning Wang jing Miao Ying Zhang Hai-Di Wang School of Nursing Yunnan University of Chinese MedicineKunming 650500China The First Clinical Medical College of Yunnan University of Chinese Medicine Kunming 650500China Department of Chinese Medicine Tianjin Second People's HospitalTianjin 30012China

Non-alcoholic fatty liver disease(NAFLD)is a chronic liver disease closely related to metabolic disorders that pose a serious threat to human health.Currently,no specific drugs are available for treating the aetiology of NAFLD in clinical practice.Mitochondria have various biological functions inside the cell.Studies have found that mitochondrial fission and fusion are closely related to NAFLD.Therefore,identifying therapeutic targets for NAFLD through mitochondrial fission and fusion is crucial.Particularly in the field of traditional Chinese medicine,good therapeutic effects have been achieved in the treatment of NAFLD by protecting mitochondrial fusion and fission.Therefore,this article reviews the relationship between mitochondrial dynamics and NAFLD as well as the treatment of NAFLD through the regulation of mitochondrial fission and fusion with traditional Chinese medicine to provide a reference for the clinical application of traditional Chinese medicine in regulating mitochondrial fission and fusion functions to treat NAFLD.

关键词： mitochondrial dynamics NAFLD traditional Chinese medicine

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