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Nanocarrier-mediated siRNA delivery:a new approach for the treatment of traumatic brain injury-related Alzheimer's disease

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Neural Regeneration Research 2025年第9期20卷 2538-2555页

作者： Jie Jin Huajing Zhang Qianying Lu Linqiang Tian Sanqiao Yao Feng Lai Yangfan Liang Chuanchuan Liu Yujia Lu Sijia Tian Yanmei Zhao Wenjie Ren Institute of Disaster and Emergency Medicine Tianjin UniversityTianjinChina Key Laboratory for Disaster Medicine technology TianjinChina Henan medical Key Laboratory for Research of Trauma and Orthopedics The Third Affiliated Hospital of Xinxiang Medical UniversityXinxiangHenan ProvinceChina Clinical medical center of Tissue engineering and Regeneration Xinxiang Medical UniversityXinxiangHenan ProvinceChina Institutes of Health Central Plain Xinxiang Medical UniversityXinxiangHenan ProvinceChina School of Public Health Xinxiang Medical UniversityXinxiangHenan ProvinceChina

Traumatic brain injury and Alzheimer's disease share pathological similarities,including neuronal loss,amyloid-βdeposition,tau hyperphosphorylation,blood-brain barrier dysfunction,neuroinflammation,and cognitive ***,traumatic brain injury can exacerbate Alzheimer's disease-like pathologies,potentially leading to the development of Alzheimer's *** offer a potential solution by facilitating the delive ry of small interfering RNAs across the blood-brain barrier for the targeted silencing of key pathological genes implicated in traumatic brain injury and Alzheimer's disease.U nlike traditional approaches to neuro regeneration,this is a molecula r-targeted strategy,thus avoiding non-specific drug *** review focuses on the use of nanocarrier systems for the efficient and precise delive ry of siRNAs,discussing the advantages,challenges,and future *** principle,siRNAs have the potential to target all genes and non-targetable protein s,holding significant promise for treating various *** the various therapeutic approaches currently available for neurological diseases,siRNA gene silencing can precisely"turn off"the expression of any gene at the genetic level,thus radically inhibiting disease progression;however,a significant challenge lies in delivering siRNAs across the blood-brain *** have received increasing attention as an innovative drug delive ry tool fo r the treatment of brain *** are considered a potential therapeutic strategy with the advantages of being able to cross the blood-brain barrier,targeted drug delivery,enhanced drug stability,and multifunctional *** use of nanoparticles to deliver specific modified siRNAs to the injured brain is gradually being recognized as a feasible and effective *** this strategy is still in the preclinical exploration stage,it is expected to achieve clinical translation in the future,creating a new field of molecular tar

关键词： blood-brain barrier cognitive dysfunction exosomes gene silencing immunotherapy inorganic nanomaterials liposome nanoparticles neuroinflammation polymer nanoparticles stem cells

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Signal acquisition of brain-computer interfaces:A medical-engineering crossover perspective review

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Fundamental Research 2025年第1期5卷 3-16页

作者： Yike Sun Xiaogang Chen Bingchuan Liu Liyan Liang Yijun Wang Shangkai Gao Xiaorong Gao Department of Biomedical engineering Tsinghua UniversityBeijing 100084China Institute of Biomedical engineering Chinese Academy of Medical Sciences and Peking Union Medical CollegeTianjin 300192China center for Intellectual Property and Innovation Development China Academy of Information and Communications TechnologyBeijing 100161China Institute of Semiconductors Chinese Academy of SciencesBeijing 100083China

Brain-computer interface(BCI)technology represents a burgeoning interdisciplinary domain that facilitates direct communication between individuals and external *** efficacy of BCI systems is largely contingent upon the progress in signal acquisition *** paper endeavors to provide an exhaustive synopsis of signal acquisition technologies within the realm of BCI by scrutinizing research publications from the last ten *** review synthesizes insights from both clinical and engineering viewpoints,delineating a comprehensive two-dimensional framework for understanding signal acquisition in *** delineate nine discrete categories of technologies,furnishing exemplars for each and delineating the salient challenges pertinent to these *** review furnishes researchers and practitioners with a broad-spectrum comprehension of the signal acquisition landscape in BCI,and deliberates on the paramount issues presently confronting the *** enhancements in BCI signal acquisition should focus on harmonizing a multitude of disciplinary *** equilibrium between signal fidelity,invasiveness,biocompatibility,and other pivotal considerations is *** doing so,we can propel BCI technology forward,bolstering its effectiveness,safety,and depend-ability,thereby contributing to an auspicious future for human-technology integration.

关键词： Brain-computer interface Signal acquisition technologies Surgery Detection Human computer interaction

W_(18)O_(49)Crystal and ICG Labeled Macrophage:An Efficient Targeting Vector for Fluorescence Imagingguided Photothermal Therapy

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Biomedical and Environmental Sciences 2025年第1期38卷 100-105页

作者： Yang Bai Guoqing Feng Muskan Saif khan Qingbin Yang Tingting Hua Haolin Guo Yuan Liu Bowen Li Yiwen Wu Bin Zheng Niansong Qian Qing Yuan Department of Stomatology Tianjin Medical University General HospitalHeping DistrictTianjin 300052China Academy of medical engineering and Translational Medicine Tianjin UniversityTianjin 300072China School of Traditional Chinese Medicine Beijing University of Chinese MedicineBeijing 102401China tianjin Anding Hospital Tianjin 300222China Beijing National Day School Beijing 100000China Department of Respiratory the Eighth Medical Center of Chinese PLA General HospitalBeijing 100853China Department of Urology The Third Medical CenterChinese People’s Liberation Army(PLA)General HospitalBeijing 100853China

Photothermal therapy(PTT)uses heat generated by photothermal agents to efficiently kill cancer cells in the least invasive *** nanoparticles,such as precious metals and carbon nanoparticles,have been extensively studied for their ability to convert near-infrared(NIR)light(700-900 nm)into heat[1].However,these nanoparticles are easily captured by the reticuloendothelial system,which severely limits their clinical applications[2].Despite targeted and stealth modifications,these issues remain unresolved;therefore,researchers are seeking more effective methods.

关键词： seeking thermal spite

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Mapping the landscape of gastric cancer immunotherapy:Bibliometric insights into advances and hotspots

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World Journal of Gastrointestinal Oncology 2025年第3期17卷 349-370页

作者： Zhen Yuan Jing-Hang Wang Hao Cui Shu-Yuan Wang Bo Wei Jian-Xin Cui School of Medicine Nankai UniversityTianjin 300071China Department of General Surgery The First Medical CenterChinese PLA General HospitalBeijing 100853China

BACKGROUND Immunotherapy has surfaced as a promising therapeutic modality for gastric cancer(GC).A comprehensive review of advancements,current status,and research trends in GC immunotherapy is essential to inform future investigative *** To delineate the trends,advancements,and focal points in immunotherapy for *** We performed a bibliometric analysis of 2906 articles in English concerning GC immunotherapy published from 2000 to December 20,2023,indexed in the Web of Science Core *** analysis and visualization were facilitated by CiteSpace(6.1.6R),VOSviewer v.1.6.17,and GraphPad Prism *** There has been an increase in the annual publication rate of GC immunotherapy *** leads in publication volume,while the United States demonstrates the highest citation *** University is notable for its citation frequency and publication ***-citation analysis and keyword frequency revealed and highlighted a focus on GC prognosis,the tumor microenvironment(TME),and integrative immunotherapy with targeted *** research areas include gastroesophageal junction cancer,adoptive immunotherapy,and the role of Treg cell in *** GC immunotherapy research is an expanding field attracting considerable scientific *** the clinical adoption of immunotherapy in GC,the primary goals are to enhance treatment efficacy and patient *** hematological malignancies,GC's solid TME presents distinct immunological challenges that may attenuate the cytotoxic effects of immune cells on cancer *** instance,although CAR-T therapy is effective in hematological malignancies,it has underperformed in GC *** research is centered on overcoming immunosuppression within the TME,with a focus on combinations of targeted therapy,adoptive immunotherapy,Treg cell dynamics,and precise prognosis prediction in ***,immunotherapy's role in treating gastroesophageal junctio

关键词： Bibliometrics Gastric cancer Immunotherapy Immune checkpoint inhibitor Tumor microenvironment

Differential expression of plasma extracellular vesicle miRNAs as biomarkers for distinguishing psoriatic arthritis from psoriasis

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中华医学杂志(英文版) 2025年第2期138卷 219-221页

作者： Yan Kexiang Zhu Jie Zhang Mengmeng Zhang Fuxin Wang Bing Han Ling Huang Qiong Tang Yulong Li Yuan Yawalkar Nikhil Zhang Zhenghua Niu Zhenmin Department of Dermatology Huashan Hospital Fudan University Shanghai China State Key Laboratory of Genetic engineering Collaborative Innovation Center for Genetics and Development School of Life Sciences Human Phenome Institute Fudan University Shanghai China Department of Dermatology Inselspital Bern University Hospital University of Bern Bern CH-Bern Switzerland Department of Genetics Shanghai-MOST Key Laboratory of Health and Disease Genomics Chinese National Human Genome Center at Shanghai (CHGC) and Shanghai Academy of Science &amp technology (SAST) Shanghai China

Activation ofγ-globin expression by a common variant disrupting IKAROS-binding motif inβ-thalassemia

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Journal of Genetics and genomics 2025年第2期52卷 157-167页

作者： Hualei Luo Jueheng Wang Lang Qin Xinhua Zhang Hailiang Liu Chao Niu Mengyang Song Congwen Shao Peng Xu Miao Yu Haokun Zhang Yuhua Ye Xiangmin Xu Innovation center for Diagnostics and Treatment of Thalassemia Nanfang HospitalSouthern Medical UniversityGuangzhouGuangdong 510515China Department of medical Genetics School of Basic Medical SciencesSouthern Medical UniversityGuangzhouGuangdong 510515China State Key Laboratory of Genetic engineering School of Life SciencesFudan UniversityShanghai 201114China Department of Pediatrics 923rd Hospital of the People's Liberation ArmyNanningGuangxi 530021China Cyrus Tang medical Institute National Clinical Research Centre for Hematologic DiseasesCollaborative Innovation Centre of HematologyState Key Laboratory of Radiation Medicine and ProtectionSoochow University SuzhouSuzhouJiangsu 215031China State Key Laboratory of Genetic engineering MOE Engineering Research Center of Gene TechnologySchool of Life SciencesFudan UniversityShanghai 200438China

Programmed silencing ofγ-globin genes in adult erythropoiesis is mediated by several chromatin remodeling complexes,which determine the stage-specific genome architecture in this *** of cis-or trans-acting mutations contributing to the diverse extent of fetal hemoglobin(Hb F)might illustrate the underlying mechanism ofγ-β-globin ***,we recruit a cohort of 1142β-thalassemia patients and dissect the natural variants in the wholeβ-globin gene cluster through a targeted next-generation sequencing panel.A previously unreported SNP rs7948668,predicted to disrupt the binding motif of IKAROS as a key component of chromatin remodeling complexes,is identified to be significantly associated with higher levels of Hb F and age at ***-editing on this SNP leads to the elevation of Hb F in both HUDEP-2 and primary CD34+cells while the extent of elevation is amplified in the context ofβ-thalassemia mutations,indicating epistasis effects of the SNP in the regulation of Hb ***,we perform ChIP-qPCR and 4C assays to prove that this variant disrupts the binding motif of IKAROS,leading to enhanced competitiveness of HBG promoters to locus control *** study highlights the significance of common regulatory SNPs and provides potential targets for treatingβ-hemoglobinopathy.

关键词： β-thalassemia Fetal hemoglobin Single nucleotidepolymorphism IKAROS Locus control region

Longitudinal landscape of immune reconstitution after acute SARS-CoV-2 infection at single-cell resolution

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Science Bulletin 2025年第3期70卷 323-327页

作者： Lili Ren Yiwei Liu Yeming Wang Chao Wu Li Guo Lan Chen Xinming Wang Yan Xiao Lixue Huang Jingchuan Zhong Jiacheng Yao Lu Liu Hui Li Ying Wang Yongchao Ma Yichunzi Zhang Lin Di Tao Dong Julian Knight Jianbin Wang Yanyi Huang Bin Cao Xianwen Ren Jianwei Wang National Health Commission Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory National Institute of Pathogen BiologyChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 102629China Key Laboratory of Respiratory Disease Pathogenomics Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100730China State Key Laboratory of Respiratory Health and Multimorbidity Chinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100029China Department of Pulmonary and Critical Care Medicine Institute of Respiratory Medicine of Chinese Academy of Medical ScienceNational Center for Respiratory MedicineCenter of Respiratory MedicineNational Clinical Research Center for Respiratory DiseasesChina-Japan Friendship HospitalBeijing 100029China College of Chemistry and Molecular engineering Peking UniversityBeijing 100871China Biomedical Pioneering Innovation center(BIOPIC) Beijing Advanced Innovation Center for Genomics(ICG)College of Chemistryand Peking-Tsinghua Center for Life SciencesPeking UniversityBeijing 100871China MRC Human Immunology Unit MRC Weatherall Institute of Molecular MedicineRadcliffe Department of MedicineThe University of OxfordOxford OX39DSUK Chinese Academy of medical Science(CAMS)Oxford Institute(COI) University of OxfordOxford OX39DSUK Wellcome Centre for Human Genetics University of OxfordOxford OX39DSUK School of Life Sciences Tsinghua-Peking Center for Life SciencesTsinghua UniversityBeijing 100084China Beijing Advanced Innovation center for Structural Biology(ICSB) Tsinghua UniversityBeijing 100084China Chinese Institute for Brain Research(CIBR) Beijing 102206China Institute for Cell Analysis Shenzhen Bay LaboratoryShenzhen 518107China Tsinghua University-Peking University Joint center for Life Sciences Beijing 100084China Biomedical Pioneering Innovation center(BIOPIC) Peking UniversityBeijing 100871China Changping Laboratory Beijing 102206China

The long-term consequences of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection,known as the post-acute sequelae of COVID-19(PASC),have been a growing concern.A significant proportion of COVID-19 patients experience persistent health issues even six to twelve months after recovering from acute infection[1],[2],[3],[4].Therefore,understanding the immune reconstitution process and identifying the molecular and cellular mechanisms underlying PASC is crucial.

关键词： landscape consequences acute

Molecular fluorination strategy for regulating NIR AIEgens to boost phototheranostics of nasopharyngeal carcinoma

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Science China Chemistry 2025年

作者： Ping Zheng Yuxun Ding Alim Abdurahman Jun Zhu Leyuan Tian Yi Liu Qian Liu Lei Wang Dong Wang Ben Zhong Tang center for Aggregation-Induced Emission (AIE) Research Guangdong Provincial Key Laboratory of New Energy Materials Service SafetyCollege of Materials Science and Engineering Shenzhen University College of Physics and Optoelectronic engineering Shenzhen University State Key Laboratory of Integrated Optoelectronics College of Electronic Science and Engineering Jilin University Department of Urology Tianjin First Central Hospital School of Science and engineering Shenzhen Institute of Aggregate Science and Technology The Chinese University of Hong Kong

Light-driven theranostics, so-called phototheranostics, represents one of the most momentous advances for cancer treatment, of particular interest is fluorescence imaging（FLI）-navigated photodynamic therapy（PDT）. Development of prominent phototheranostic agent synchronously sharing high reactive oxygen species（ROS） production and conspicuous absorption/emission performance in terms of wavelength and intensity, still remains an appealing yet significantly challenging task. Herein, a molecular fluorination strategy was tactfully exploited to subtly regulate aggregation-induced emission（AIE）-featured photosensitizers, and the optimized agent FPIBT was obtained. The integration of beneficial fluorine results in extended emission wavelength tailing in the second near-infrared region and enhanced molar extinction coefficient, and promotes the intersystem crossing process by reducing energy gap between the S1and T_nand increasing spin-orbit coupling constant, thus significantly improves ROS production capacity. By employing FPIBT nanoparticles, the unprecedented performance on NIR-II FLI-guided PDT towards nasopharyngeal carcinoma in mouse model is witnessed by the precise tumor diagnosis and efficient tumor elimination outcomes.

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SpaGRA:Graph augmentation facilitates domain identification for spatially resolved transcriptomics

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Journal of Genetics and genomics 2025年第1期52卷 93-104页

作者： Xue Sun Wei Zhang Wenrui Li Na Yu Daoliang Zhang Qi Zou Qiongye Dong Xianglin Zhang Zhiping Liu Zhiyuan Yuan Rui Gao center of Intelligent Medicine School of Control Science and EngineeringShandong UniversityJinanShandong 250061China MOE Key Lab of Bioinformatics and Bioinformatics Division of BNRIST Department of AutomationTsinghua UniversityBeijing 100084China Institute of Precision Medicine Peking University Shenzhen HospitalShenzhenGuangdong 518036China Department of Clinical Laboratory The Second HospitalCheeloo College of MedicineShandong UniversityJinanShandong 250033China Institute of Science and technology for Brain-Inspired Intelligence Center for Medical Research and InnovationShanghai Pudong HospitalFudan University Pudong Medical CenterFudan UniversityShanghai 200433China

Recent advances in spatially resolved transcriptomics(SRT)have provided new opportunities for characterizing spatial structures of various ***-based geometric deep learning has gained widespread adoption for spatial domain identification ***,most methods define adjacency relation between cells or spots by their spatial distance in SRT data,which overlooks key biological interactions like gene expression similarities,and leads to inaccuracies in spatial domain *** tackle this challenge,we propose a novel method,SpaGRA(https://***/sunxue-yy/SpaGRA),for automatic multi-relationship construction based on graph *** uses spatial distance as prior knowledge and dynamically adjusts edge weights with multi-head graph attention networks(GATs).This helps SpaGRA to uncover diverse node relationships and enhance message passing in geometric contrastive ***,SpaGRA uses these multi-view relationships to construct negative samples,addressing sampling bias posed by random *** results show that SpaGRA presents superior domain identification performance on multiple datasets generated from different *** SpaGRA,we analyze the functional regions in the mouse hypothalamus,identify key genes related to heart development in mouse embryos,and observe cancer-associated fibroblasts enveloping cancer cells in the latest Visium HD ***,SpaGRA can effectively characterize spatial structures across diverse SRT datasets.

关键词： Spatial domain identification Spatially resolved transcriptomics Multi-head graph attention networks Graph augmentation Geometric contrastive learning