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The interaction between KIF21A and KANK1 regulates dendritic morphology and synapse plasticity in neurons

Neural Regeneration research 2025年第1期20卷 209-223页

作者： Shi-Yan Sun Lingyun Nie Jing Zhang Xue Fang Hongmei Luo Chuanhai Fu Zhiyi Wei Ai-Hui Tang Hefei National research Center for Physical Sciences at the Microscale CAS Key Laboratory of Brain Function and DiseaseMinistry of Education Key Laboratory for Membrane-less Organelles and Cellular DynamicsDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui ProvinceChina Institute of Artificial Intelligence Hefei Comprehensive National Science CenterHefeiAnhui ProvinceChina CAS Center for Excellence in Molecular Cell Sciences Division of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui ProvinceChina Department of Neurobiology School of Life SciencesSouthern University of Science and TechnologyShenzhenGuangdong ProvinceChina Brain research Center Southern University of Science and TechnologyShenzhenGuangdong ProvinceChina

Morphological alterations in dendritic spines have been linked to changes in functional communication between neurons that affect learning and ***-4 KIF21A helps organize the microtubule-actin network at the cell cortex by interacting with KANK1;however,whether KIF21A modulates dendritic structure and function in neurons remains *** this study,we found that KIF21A was distributed in a subset of dendritic spines,and that these KIF21A-positive spines were larger and more structurally plastic than KIF21A-negative ***,the interaction between KIF21A and KANK1 was found to be critical for dendritic spine morphogenesis and synaptic *** of either KIF21A or KANK1 inhibited dendritic spine morphogenesis and dendritic branching,and these deficits were fully rescued by coexpressing full-length KIF21A or KANK1,but not by proteins with mutations disrupting direct binding between KIF21A and KANK1 or binding between KANK1 and *** down KIF21A in the hippocampus of rats inhibited the amplitudes of long-term potentiation induced by high-frequency stimulation and negatively impacted the animals’cognitive *** together,our findings demonstrate the function of KIF21A in modulating spine morphology and provide insight into its role in synaptic function.

关键词： actin cytoskeleton dendrite KANK1 KIF21A microtubule spine morphology spine synaptic plasticity talin1

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research landmarks on the 60th anniversary of Epstein-Barr virus

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Science China(Life Sciences) 2025年第2期68卷 354-380页

作者： Lan-Yi Zhong Chu Xie Le-Le Zhang Yan-Lin Yang Yuan-Tao Liu Ge-Xin Zhao Guo-Long Bu Xian-Shu Tian Zi-Ying Jiang Bo-Yu Yuan Peng-Lin Li Pei-Huang Wu Wei-Hua Jia Christian Münz Benjamin E.Gewurz Qian Zhong Cong Sun Mu-Sheng Zeng State Key Laboratory of Oncology in South China Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapyGuangdong Provincial Clinical Research Center for CancerSun Yat-sen University Cancer CenterGuangzhou 510060China Viral Immunobiology Institute of Experimental ImmunologyUniversity of ZürichZürich 8092Switzerland Division of Infectious Diseases Department of MedicineBrigham and Women’s HospitalBoston MA 02115USA Department of Microbiology Harvard Medical SchoolBoston MA 02115USA Harvard program in Virology Boston MA 02115USA Broad Institute of Harvard and MIT Cambridge MA 02142USA

Epstein-Barr virus(EBV),the first human oncovirus discovered in 1964,has become a focal point in virology,immunology,and oncology because of its unique biological characteristics and significant role in human *** we commemorate the 60th anniversary of EBV's discovery,it is an opportune moment to reflect on the major advancements in our understanding of this complex *** this review,we highlight key milestones in EBV research,including its virion structure and life cycle,interactions with the host immune system,association with EBV-associated diseases,and targeted intervention strategies.

关键词： Epstein-Barr virus oncovirus immune response epidemiology vaccines antibodies

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Current AAV-mediated gene therapy in sensorineural hearing loss

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fundamental research 2025年第1期5卷 192-202页

作者： Jieyu Qi Xiaolong Fu Liyan Zhang Fangzhi Tan Nianci Li Qiuhan Sun Xiaojie Hu Zuhong He Ming Xia Renjie Chai State Key Laboratory of Digital Medical Engineering Department of Otolaryngology Head and Neck SurgeryZhongda HospitalSchool of Life Sciences and TechnologySchool of MedicineAdvanced Institute for Life and HealthJiangsu Province High-Tech Key Laboratory for Bio-Medical ResearchSoutheast UniversityNanjing 210096China Department of Neurology Aerospace Center HospitalSchool of Life ScienceBeijing Institute of TechnologyBeijing 100081China State Key Laboratory of Hearing and Balance Science Beijing Institute of TechnologyBeijing 100081China Advanced Technology research Institute Beijing Institute of TechnologyJinan 250300China Department of Otorhinolaryngology-Head and Neck Surgery Zhongnan Hospital of Wuhan UniversityWuhan 430071China Department of Otolaryngology Shandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinan 250021China Medical Science and Technology Innovation Center Shandong First Medical University&Shandong Academy of Medical SciencesJinan 250021China Co-Innovation Center of Neuroregeneration Nantong UniversityNantong 226001China Department of Otolaryngology Head and Neck Surgery Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengdu 610072China Southeast University shenzhen research Institute Shenzhen 518063China

The number of patients with hearing loss is on the rise due to congenital abnormalities,degenerative changes in old age,and acquired injuries such as virus or ototoxic drug-induced *** loss is a refractory and disabling disease that has serious negative effects on quality of *** pathology of hearing loss in the inner ear is characterized by varying degrees of damage to the cochlear sensory epithelium cells(such as hair cells and supporting cells),stria vascularis(including marginal,intermediate and basal cells)and spiral ganglion *** or direct repair of damaged cells in the inner ear is an effective way to treat sensorineural *** is currently possible to regenerate hair cells to treat sensorineural hearing loss by FX-322,a small molecule drug in clinical *** the development of genetic engineering technology,gene therapy has brought a promising treatment strategy for many previously intractable *** therapy has been regarded as a promising method in the treatment and rehabilitation of sensorineural hearing loss,and recombinant adeno-associated virus gene therapy has been widely used in fundamental research into hearing loss *** present,gene therapy for hearing loss is transitioning from feasibility studies to explorations of its safety and its therapeutic *** present article reviews the concepts,strategies,and applications of gene therapy mediated by recombinant adeno-associated viruses in the field of hearing loss treatment.

关键词： Hearing loss Cochlea Gene therapy Adeno-associated virus Auditory repair

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Graphene/F_(16)CuPc synaptic transistor for the emulation of multiplexed neurotransmission

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Journal of Semiconductors 2025年第1期46卷 215-223页

作者： Zhipeng Xu Yao Ni Mingxin Sun Yiming Yuan Ning Wu Wentao Xu Institute of Photoelectronic Thin Film Devices and Technology Key Laboratory of Photoelectronic Thin Film Devices and Technology of TianjinCollege of Electronic Information and Optical EngineeringEngineering Research Center of Thin Film Photoelectronic Technology of Ministry of EducationNankai UniversityTianjin 300350China shenzhen research Institute of Nankai University Shenzhen 518000China Smart Sensing Interdisciplinary Science Center Nankai UniversityTianjin 300350China School of Integrated Circuits Guangdong University of TechnologyGuangzhou 510006China

We demonstrate a bipolar graphene/F_(16)CuPc synaptic transistor(GFST)with matched p-type and n-type bipolar properties,which emulates multiplexed neurotransmission of the release of two excitatory neurotransmitters in graphene and F_(16)CuPc channels,*** process facilitates fast-switching plasticity by altering charge carriers in the separated *** complementary neural network for image recognition of Fashion-MNIST dataset was constructed using the matched relative amplitude and plasticity properties of the GFST dominated by holes or electrons to improve the weight regulation and recognition accuracy,achieving a pattern recognition accuracy of 83.23%.These results provide new insights to the construction of future neuromorphic systems.

关键词： synaptic transistor dual excitatory channels fast-switching plasticity multiplexed neurotransmission

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DNA2 knockout aggravates cerebral ischemia/reperfusion injury by reducing postsynaptic Homer1a

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Zoological research 2025年第01期 87-102页

作者： Ting Ma Yu-Meng Li Peng-Yu Ren Shi-Quan Wang Xiang-Long Liu Wen-Bo Lv Wu-Gang Hou Wen-Qiang Zuo Wei-Qiang Lin Jian Sima An-Qi Geng Laboratory of Aging Neuroscience and Neuropharmacology School of Basic Medicine and Clinical Pharmacy China Pharmaceutical University research & Development Institute of Northwestern Polytechnical University in shenzhen Xi'an Key Laboratory of Stem Cell and Regenerative Medicine Xi'an Key Laboratory of Special Medicine and Health Engineering Institute of Medical Research Northwestern Polytechnical University Sanhang Institute for Brain Science and Technology Northwestern Polytechnical University Department of Anesthesiology and Perioperative Medicine Xijing Hospital Fourth Military Medical University College of Pharmacy Shaanxi University of Chinese Medicine International Institutes of Medicine Fourth Affiliated Hospital School of Medicine Zhejiang University

DNA2, a multifunctional enzyme with structure-specific nuclease, 5'-to-3' helicase, and DNA-dependent ATPase activities, plays a pivotal role in the cellular response to DNA damage. However, its involvement in cerebral ischemia/reperfusion(I/R) injury remains to be *** study investigated the involvement of DNA2 in cerebral I/R injury using conditional knockout(cKO) mice(Nestin-Cre) subjected to middle cerebral artery occlusion(MCAO), an established model of cerebral I/R. Results demonstrated a gradual up-regulation of DNA2 expression,peaking at 72 h post-MCAO. Notably, DNA2 cKO mice exhibited more pronounced brain injury, neurological deficits, and neuronal apoptosis within the penumbra following MCAO. Additionally, DNA2 expression was elevated in an oxygen-glucose deprivation/reoxygenation(OGD/R) cell culture model, and DNA2 knockdown(KD)exacerbated neuronal apoptosis and oxidative *** analysis of ischemic penumbra tissues via RNA sequencing revealed significant down-regulation of Homer1 in DNA2 cKO mice. Furthermore, in vitro experiments demonstrated that overexpression of Homer1a ameliorated DNA2 KD-induced neuronal apoptosis. Collectively, these findings demonstrate that DNA2 deficiency exacerbates cerebral I/R injury through the down-regulation of Homer1a, highlighting a novel regulatory axis in ischemic neuroprotection.

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Machine learning driven rational design of dual atom catalysts on graphene for carbon dioxide electroreduction

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Nano research 2025年第1期18卷 186-194页

作者： Dongxu Jiao Xinyi Li Mingzi Sun Lin Liu Jinchang Fan Jingxiang Zhao Bolong Huang Xiaoqiang Cui State Key Laboratory of Automotive Simulation and Control School of Materials Science and Engineeringand Key Laboratory of Automobile Materials of MOEJilin UniversityChangchun 130012China Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina College of Chemistry and Chemical Engineering and Key Laboratory of Photonic and Electronic Bandgap MaterialsMinistry of EducationHarbin Normal UniversityHarbin 150025China

The development of high-performance atomiccatalysts for the carbon dioxide reduction reaction(CO_(2)RR)is atime-consuming process due to the complexity of the reactionmechanism and the uncertainty of the active ***,wehave proposed combining density functional theory(DFT)andmachine learning(ML)to investigate the potential of topologicalgraphene-based dual-atom catalysts(DACs)as CO_(2)*** analyzing the ML results,we identify thenumber of d-orbital electrons in the active site as a key factorinfluencing the CO_(2)RR catalytic ***,wepropose a simple descriptor to measure the CO_(2)RR activity ofthese *** findings provide plausible explanations for thesynergistic interactions between bimetallic atoms in CO_(2)RR andallow us to screen the homogeneous Ni-Ni pair as the mostpromising dual-atom *** work offers a fast MLapproach based on limited DFT calculations to predict the mostelectroactive and stable DACs on carbon support for CO_(2)RR,facilitating rapid screening of high-performance dual-atomcatalysts.

关键词： CO_(2)reaction reduction dual-atom catalysts density functional theory machine learning

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Digital PCR-free technologies for absolute quantitation of nucleic acids at single-molecule level

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Chinese Chemical Letters 2025年第2期36卷 118-126页

作者： Xinyi Luo Ke Wang Yingying Xue Xiaobao Cao Jianhua Zhou Jiasi Wang Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument School of Biomedical Engineering Shenzhen Campus of Sun Yat-sen University School of Biomedical Engineering Sun Yat-sen University Guangzhou National Laboratory Guangzhou International Bio Island

Ultrasensitive detection of nucleic acids is of great significance for precision medicine. Digital polymerase chain reaction (dPCR) is the most sensitive method but requires sophisticated and expensive instruments and a long reaction time. Digital PCR-free technologies, which mean the digital assay not relying on thermal cycling to amplify the signal for quantitative detection of nucleic acids at the singlemolecule level, include the digital isothermal amplification techniques (d IATs) and the digital clustered regularly interspaced short palindromic repeats (CRISPR) technologies. They combine the advantages of d PCR and IATs, which could be fast and simple, enabling absolute quantification of nucleic acids at a single-molecule level with minimum instrument, representing the next-generation molecular diagnostic technology. Herein, we systematically summarized the strategies and applications of various dIATs, including the digital loop-mediated isothermal amplification (dLAMP), the digital recombinase polymerase amplification (dRPA), the digital rolling circle amplification (dRCA), the digital nucleic acid sequencebased amplification (d NASBA) and the digital multiple displacement amplification (d MDA), and evaluated the pros and cons of each method. The emerging digital CRISPR technologies, including the detection mechanism of CRISPR and the various strategies for signal amplification, are also introduced comprehensively in this review. The current challenges as well as the future perspectives of the digital PCR-free technology were discussed.

关键词： Absolute quantification Digital bioassay Digital CRISPR/Cas Isothermal amplification Nucleic acid detection

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Spin reorientation in easy-plane kagome ferromagnet Li_9Cr_3(P_2O_7)_3(PO_4)_2

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Chinese Physics B 2023年第5期32卷 153-157页

作者：董元浩付盈刘以轩郝占阳王乐刘才邓可梅佳伟 shenzhen Institute for Quantum Science and Engineering and Department of PhysicsSouthern University of Science and TechnologyShenzhen 518055China School of Physics Xi’an Jiaotong UniversityXi’an 710049China Department of Physics Southern University of Science and TechnologyShenzhen 518055China shenzhen Key Laboratory of Advanced Quantum Functional Materials and Devices Southern University of Science and TechnologyShenzhen 518055China

We report the successful growth and characterization of Li_9Cr_3(P_2O_7)_3(PO_4)_2single crystal,and investigate its magnetic properties under external magnetic fields via magnetization and heat capacity *** study reveals that Li_9Cr_3(P_2O_7)_3(PO_4)_2 is an easy-plane kagome ferromagnet with S=3/2,as evidenced by the Curie–Weiss temperature of 6 K which implies a ferromagnetic exchange coupling in the *** zero magnetic field,Li_9Cr_3(P_2O_7)_3(PO_4)_2 undergoes a magnetic transition at TC=2.7 K from a paramagnetic state to a ferromagnetically ordered state with the magnetic moment lying in the kagome *** applying a c-axis directional magnetic field to rotate the spin alignment from the kagome plane to the c-axis,we observe a reduction in the magnetic transition temperature as the field is *** construct a magnetic phase diagram as a function of temperature and magnetic field applied parallel to the c-axis of Li_9Cr_3(P_2O_7)_3(PO_4)_2 and find that the phase boundary is linear over a certain temperature *** that theoretically,the field-induced phase transition of the spin reorientation in the easy-plane ferromagnet can be viewed as the ferromagnetic magnon Bose–Einstein condensation(BEC),the phase boundary scaling of field-induced(B c)magnetic transition in Li_9Cr_3(P_2O_7)_3(PO_4)_2 can be described as the quasi-2D magnon BEC,which has been observed in other ferromagnetic materials such as K_2CuF_4.

关键词： kagome lattice flux method magnetic material spin-3/2

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Optical engineering of infrared PbS CQD photovoltaic cells for wireless optical power transfer systems

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Frontiers of Optoelectronics 2023年第2期16卷 103-113页

作者： Mengqiong Zhu Yuanbo Zhang Shuaicheng Lu Zijun Wang Junbing Zhou Wenkai Ma Ruinan Zhu Guanyuan Chen Jianbing Zhang Liang Gao Jiancan Yu Pingqi Gao Jiang Tang School of Materials Shenzhen Campus of Sun Yat-Sen UniversityShenzhen 518107China Wuhan National Laboratory for Optoelectronics(WNLO)and School of Optical and Electronic Information Huazhong University of Science and Technology(HUST)Wuhan 430074China

Infrared photovoltaic cells(IRPCs)have attracted considerable attention for potential applications in wireless optical power transfer(WOPT)*** an efcient fber-integrated WOPT system typically uses a 1550 nm laser beam,it is essential to tune the peak conversion efciency of IRPCs to this ***,IRPCs based on lead sulfde(PbS)colloidal quantum dots(CQDs)with an excitonic peak of 1550 nm exhibit low short circuit current(Jsc)due to insufcient absorption under monochromatic light ***,we propose comprehensive optical engineering to optimize the device structure of IRPCs based on PbS CQDs,for 1550 nm WOPT *** absorption by the device is enhanced by improving the transmittance of tin-doped indium oxide(ITO)in the infrared region and by utilizing the optical resonance efect in the ***,the optimized device exhibited a high short circuit current density of 37.65 mA/cm^(2)under 1 sun(AM 1.5G)solar illumination and 11.91 mA/cm^(2)under 1550 nm illumination 17.3 mW/cm^(2).Furthermore,the champion device achieved a record high power conversion efciency(PCE)of 7.17%under 1 sun illumination and 10.29%under 1550 nm *** PbS CQDs IRPCs under 1550 nm illumination can even light up a liquid crystal display(LCD),demonstrating application prospects in the future.

关键词： Wireless optical power transfer PbS CQDs Photovoltaic cells Optical engineering

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Understanding the cooperative effects in the catalysis of homodimeric fluoroacetate dehalogenase

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Science China Chemistry 2024年第7期67卷 2382-2391页

作者： Ke-Wei Chen Jia-Nan Chen Jun Zhang Chao Wang Tian-Yu Sun Yun-Dong Wu Key Laboratory of Computational Chemistry and Drug Design State Key Laboratory of Chemical OncogenomicSchool of Chemical Biology and BiotechnologyPeking University Shenzhen Graduate SchoolShenzhen 518055China Institute of Chemical Biology Shenzhen Bay LaboratoryShenzhen 518132China College of Chemistry and Molecular Engineering Peking UniversityBeijing 100871China Changping Laboratory Beijing 102200China

Fluoroacetate dehalogenases(FAcD),a homodimeric enzyme,catalyzes the conversion of fluoroacetic acid to glycolic acid(GoA).It has been proved that the enzyme has a half-of-the-site ***,its catalytic(C)subunit converts the first substrate to a covalent intermediate;then,the non-catalytic(NC)subunit binds a second substrate and promotes the conversion of the intermediate in the C subunit into the final *** the release of the product,the C subunit becomes the NC subunit,and the previous NC subunit becomes the C *** elucidate the detailed mechanism behind this cooperative catalysis,we have conducted microsecond-scale MD simulations along the reaction *** simulations indicate that the substrate in the NC subunit induces W185 and Y141 adopting an open conformation in the C *** opening of W185(C)facilitates the entry of catalytic water,enhancing the catalytic activity for product formation,while the opening of Y141(C)creates an unfavorable environment for product binding,promoting its *** interaction network analysis reveals that the substrate in the NC subunit can induce conformational changes through a conserved water chain at the interface.

关键词： enzyme catalysis molecular dynamics cooperative effect pre-reaction state

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