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Overproduction of OsRACK1A,an effector-targeted scaffold protein promoting OsRBOHB-mediated ROS production,confers rice floral resistance to false smut disease without yield penalty

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Molecular Plant 2022年第11期15卷 1790-1806页

作者： Guo-Bang Li Jia-Xue He Jin-Long Wu He Wang Xin Zhang Jie Liu Xiao-Hong Hu Yong Zhu Shuai Shen Yi-Fei Bai Zong-Lin Yao Xin-Xian Liu jing-hao zhao De-Qiang Li Yan Li Fu Huang Yan-Yan Huang Zhi-Xue zhao Ji-Wei Zhang Shi-Xin Zhou Yun-Peng Ji Mei Pu Peng Qin Shigui Li Xuewei Chen jing Wang Min He Weitao Li Xian-Jun Wu Zheng-Jun Xu Wen-Ming Wang jing Fan State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China Sichuan Agricultural UniversityChengdu 611130China Rice Research Institute Sichuan Agricultural UniversityChengdu 611130China

Grain formation is fundamental for crop yield but is vulnerable to abiotic and biotic *** grain production is threatened by the false smut fungus Ustilaginoidea virens,which specifically infects rice floral organs,disrupting fertilization and seed ***,little is known about the molecular mechanisms of the ***-rice interaction and the genetic basis of floral ***,we report that *** secretes a cytoplasmic effector,UvCBP1,to facilitate infection of rice ***,UvCBP1 interacts with the rice scaffold protein OsRACK1A and competes its interaction with the reduced nicotinamide adenine dinucleotide phosphate oxidase OsRBOHB,leading to inhibition of reactive oxygen species(ROS)*** the analysis of natural variation revealed no OsRACK1A variants that could avoid being targeted by UvCBP1,expression levels of OsRACK1A are correlated with field resistance against *** in rice *** of OsRACK1A restores the OsRACK1A-OsRBOHB association and promotes OsRBOHB phosphorylation to enhance ROS production,conferring rice floral resistance to *** without yield *** together,our findings reveal a new pathogenic mechanism mediated by an essential effector from a flower-specific pathogen and provide a valuable genetic resource for balancing disease resistance and crop yield.

关键词： rice flower false smut fungal effector scaffold protein reactive oxygen species disease resistance

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Activation of adult endogenous neurogenesis by a hyaluronic acid collagen gel containing basic fibroblast growth factor promotes remodeling and functional recovery of the injured cerebral cortex

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Neural Regeneration Research 2025年第10期20卷 2923-2937页

作者： Yan Li Peng hao Hongmei Duan Fei hao Wen zhao Yudan Gao zhaoyang Yang Kwok-Fai So Xiaoguang Li Department of Neurobiology School of Basic Medical SciencesCapital Medical UniversityBeijingChina China Rehabilitation Science Institute China Rehabilitation Research CenterBeijing Key Laboratory of Neural Injury and RehabilitationBeijingChina Center of Neural Injury and Repair Beijing Institute for Brain DisordersBeijingChina Beijing Key Laboratory for Biomaterials and Neural Regeneration School of Engineering MedicineBeihang UniversityBeijingChina Guangdong-HongKong-Macao Institute of CNS Regeneration Ministry of Education CNS Regeneration Collaborative Joint LaboratoryJinan UniversityGuangzhouGuangdong ProvinceChina Bioland Laboratory(Guangzhou Regenerative Medicine and Health Guangdong Laboratory) GuangzhouGuangdong ProvinceChina Department of Ophthalmology and State Key Laboratory of Brain and Cognitive Sciences The University of Hong KongHong Kong Special Administration RegionChina Center for Brain Science and Brain-Inspired Intelligence Guangdong-HongKong-Macao Greater Bay AreaGuangzhouGuangdong ProvinceChina Co-innovation Center of Neuroregeneration Nantong UniversityNantongJiangsu ProvinceChina Department of Biomedical Engineering School of Biological Science and Medical EngineeringBeihang UniversityBeijingChina

The presence of endogenous neural stem/progenitor cells in the adult mammalian brain suggests that the central nervous system can be repaired and regenerated after ***,whether it is possible to stimulate neurogenesis and reconstruct cortical layers II to VI in non-neurogenic regions,such as the cortex,remains *** this study,we implanted a hyaluronic acid collagen gel loaded with basic fibroblast growth factor into the motor cortex immediately following traumatic *** findings reveal that this gel effectively stimulated the proliferation and migration of endogenous neural stem/progenitor cells,as well as their differentiation into mature and functionally integrated ***,these new neurons reconstructed the architecture of cortical layers II to VI,integrated into the existing neural circuitry,and ultimately led to improved brain *** findings offer novel insight into potential clinical treatments for traumatic cerebral cortex injuries.

关键词： adult endogenous neurogenesis basic fibroblast growth factor-hyaluronic acid collagen gel cortical remodeling functional recovery migration motor cortex injury neural circuits neural stem cells newborn neurons proliferation

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基于信息加工过程的管制人因差错概率量化方法研究

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科学技术与工程 2017年第10期17卷 68-73页

作者：李敬强李灏赵宁王勇国家空管运行安全技术重点实验室天津300300 中国民航大学民航安全科学研究所天津300300 中国民用航空局空中交通管理局天津分局天津300300

为量化管制人因差错概率,基于信息加工过程设计管制人因差错量化工具,将管制任务中的差错界定为错报、虚报、漏报三种差错,并量化其发生概率。结果表明:信息加工过程中的人因差错概率数据经Box-Cox转换后服从正态分布。根据正态分布代... 详细信息

为量化管制人因差错概率,基于信息加工过程设计管制人因差错量化工具,将管制任务中的差错界定为错报、虚报、漏报三种差错,并量化其发生概率。结果表明:信息加工过程中的人因差错概率数据经Box-Cox转换后服从正态分布。根据正态分布代表点与损失函数的关系划分出5级等级标准。管制人因差错量化工具及方法的设计能够有效鉴别岗位人员发生错报、虚报、漏报的风险等级,对管制员选拔以及安全风险评估具有一定的借鉴意义。

关键词：管制员人因差错信息加工 Box-Cox转换

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Repetitive traumatic brain injury–induced complement C1–related inflammation impairs long-term hippocampal neurogenesis

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Neural Regeneration Research 2025年第3期20卷 821-835页

作者： jing Wang Bing Zhang Lanfang Li Xiaomei Tang Jinyu Zeng Yige Song Chao Xu Kai zhao Guoqiang Liu Youming Lu Xinyan Li Kai Shu Department of Neurosurgery Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Department of Neurosurgery Shanxi Bethune HospitalShanxi Academy of Medical SciencesTongji Shanxi HospitalThird Hospital of Shanxi Medical UniversityTaiyuanShanxi ProvinceChina Department of Pathophysiology School of Basic Medicine and Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Institute for Brain Research Wuhan Center of Brain ScienceHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Department of Graduate Student Chongqing Medical UniversityChongqingChina Department of Basic Medicine School of Medical ScienceHubei University for NationalitiesEnshiHubei ProvinceChina Department of Anatomy School of Basic Medicine and Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina

Repetitive traumatic brain injury impacts adult neurogenesis in the hippocampal dentate gyrus,leading to long-term cognitive ***,the mechanism underlying this neurogenesis impairment remains *** this study,we established a male mouse model of repetitive traumatic brain injury and performed long-term evaluation of neurogenesis of the hippocampal dentate gyrus after repetitive traumatic brain *** results showed that repetitive traumatic brain injury inhibited neural stem cell proliferation and development,delayed neuronal maturation,and reduced the complexity of neuronal dendrites and *** with repetitive traumatic brain injuryalso showed deficits in spatial memory ***,following repetitive traumatic brain injury,neuroinflammation was enhanced in the neurogenesis microenvironment where C1q levels were increased,C1q binding protein levels were decreased,and canonical Wnt/β-catenin signaling was *** inhibitor of C1 reversed the long-term impairment of neurogenesis induced by repetitive traumatic brain injury and improved neurological *** findings suggest that repetitive traumatic brain injury–induced C1-related inflammation impairs long-term neurogenesis in the dentate gyrus and contributes to spatial memory retrieval dysfunction.

关键词： complement C1 dendrite dentate gyrus hippocampus neural stem cell neurogenesis neuroinflammation neurological function neuron traumatic brain injury

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Human neural stem cell-derived extracellular vesicles protect against ischemic stroke by activating the PI3K/AKT/mTOR pathway

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Neural Regeneration Research 2025年第11期20卷 3245-3258页

作者： Jiayi Wang Mengke zhao Dong Fu Meina Wang Chao Han Zhongyue Lv Liang Wang jing Liu Stem Cell Clinical Research Center The First Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina Dalian Innovation Institute of Stem Cell and Precision Medicine DalianLiaoning ProvinceChina Institute(College)of Integrative Medicine Dalian Medical UniversityDalianLiaoning ProvinceChina

Human neural stem cell-derived extracellular vesicles exhibit analogous functions to their parental cells,and can thus be used as substitutes for stem cells in stem cell therapy,thereby mitigating the risks of stem cell therapy and advancing the frontiers of stem cell-derived *** lays a foundation for the development of potentially potent new treatment modalities for ischemic ***,the precise mechanisms underlying the efficacy and safety of human neural stem cell-derived extracellular vesicles remain unclear,presenting challenges for clinical *** promote the translation of therapy based on human neural stem cell-derived extracellular vesicles from the bench to the bedside,we conducted a comprehensive preclinical study to evaluate the efficacy and safety of human neural stem cell-derived extracellular vesicles in the treatment of ischemic *** found that administration of human neural stem cell-derived extracellular vesicles to an ischemic stroke rat model reduced the volume of cerebral infarction and promoted functional recovery by alleviating neuronal *** human neural stem cell-derived extracellular vesicles reduced neuronal apoptosis by enhancing phosphorylation of phosphoinositide 3-kinase,mammalian target of rapamycin,and protein kinase B,and these effects were reversed by treatment with a phosphoinositide 3-kinase *** findings suggest that human neural stem cell-derived extracellular vesicles play a neuroprotective role in ischemic stroke through activation of phosphoinositide 3-kinase/protein kinase B/mammalian target of rapamycin signaling ***,we showed that human neural stem cell-derived extracellular vesicles have a good in vivo safety ***,human neural stem cell-derived extracellular vesicles are a promising potential agent for the treatment of ischemic stroke.

关键词： behavior exosome extracellular vesicles ischemic stroke mammalian target of rapamycin(mTOR) middle cerebral artery occlusion neural stem cells neuronal apoptosis phosphoinositide 3-kinase(PI3K) protein kinase B(AKT)

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Return to work in young and middle-aged colorectal cancer survivors:Factors influencing self-efficacy,fear,resilience,and financial toxicity

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World Journal of Gastroenterology 2025年第1期31卷 79-92页

作者： Dan Hu Yue Li Hua Zhang Lian-Lian Wang Wen-Wen Liu Xin Yang Ming-zhao Xiao hao-Ling Zhang Juan Li Department of Nursing The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Nursing National Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and DisordersChildren’s Hospital of Chongqing Medical UniversityChongqing 400014China Department of Gastrointestinal Surgery The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Biomedical Science Advanced Medical and Dental InstituteUniversity Sains MalaysiaPenang 13200Malaysia Academic Affairs Office The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China

BACKGROUND Return to work(RTW)serves as an indication for young and middle-aged colorectal cancer(CRC)survivors to resume their normal social ***,these survivors encounter significant challenges during their RTW ***,scientific research is necessary to explore the barriers and facilitating factors of returning to work for young and middle-aged CRC *** To examine the current RTW status among young and middle-aged CRC survivors and to analyze the impact of RTW self-efficacy(RTW-SE),fear of progression(FoP),eHealth literacy(eHL),family resilience(FR),and financial toxicity(FT)on their RTW *** A cross-sectional investigation was adopted in this *** September 2022 to February 2023,a total of 209 participants were recruited through a convenience sampling method from the gastrointestinal surgery department of a class A tertiary hospital in *** investigation utilized a general information questionnaire alongside scales assessing RTW-SE,FoP,eHL,FR,and *** analyze the factors that influence RTW outcomes among young and middle-aged CRC survivors,Cox regression modeling and Kaplan-Meier survival analysis were *** A total of 43.54%of the participants successfully returned to work,with an average RTW time of 100 *** regression univariate analysis revealed that RTW-SE,FoP,eHL,FR,and FT were significantly different between the non-RTW and RTW groups(P<0.05).Furthermore,Cox regression multivariate analysis identified per capita family monthly income,job type,RTW-SE,and FR as independent influencing factors for RTW(P<0.05).CONCLUSION The RTW rate requires further *** levels of RTW-SE and FR were found to significantly increase RTW among young and middle-aged CRC *** professionals should focus on modifiable factors,such as RTW-SE and FR,to design targeted RTW support programs,thereby facilitating their timely reintegration into mainstream society.

关键词： Return to work Colorectal neoplasms Return-to-work self-efficacy Fear of progression Family resilience Financial toxicity

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A mechanical reinforced and antifreezing polyacrylate hydrogel electrolyte for high-performance zinc-ion batteries

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Nano Research 2025年第1期18卷 341-350页

作者： Zili Zhang Ruolin Wang Hongfei Lu Di Zhang Yu zhao jing Xu Bin Sun Zhi-Min Dang Yang Jin School of Electrical and Information Engineering Zheng Zhou UniversityZhengzhou 450001China State Key Lab of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China

The operation of aqueous zinc-ion batteries in flexible energy storage field is plagued by the uncontrollable growth of Zn-dendrite and inevitable freeze of water below 0 ℃.Therefore,it is necessary to design a hydrogel electrolyte with good mechanical property and freezing resistance to uniform the Zn-deposition and resist flexibility loss at low *** find that the mechanical property(strength and toughness)of hydrogel electrolyte has a significant impact on the suppression of dendrite growth and the uniform deposition of zinc ***,a polyacrylate hydrogel is prepared in one step by ultraviolet(UV)curing method with Zn(CF_(3)SO_(3))_(2)salt and polyvinyl alcohol(PVA)addition to increase the antifreezing ability and mechanical *** adsorption of water molecules by 2-hydroxyethyl acrylate(HEA)and PVA reduces the freezing point of the hydrogel,which is beneficial for enhancing the electrochemical stability at low *** this basis,the Zn-symmetrical battery with hydrogel electrolyte has a long lifespan of 4710 h at 0.5 mA·cm^(-2)and 0.5 mAh·cm^(-2)at room ***,the hydrogel electrolyte exhibits an outstanding stability at low temperature of^(-2)0 ℃,the lifespan of symmetrical battery reaches to 4000 h at 0.5 mA·cm^(-2)and 0.5 mAh·cm^(-2).The assembled full cell with NaV3O8·1.5H_(2)O(NVO)cathode and hydrogel electrolyte possesses a high capacity retention ratio of 77%after 10,000 cycles at^(-2)0 ℃.The flexible cell can power light-emitting diode(LED)lamp under bending,warping and cutting without liquid leakage and an electronic watch at the operating temperature of^(-2)0 ℃.

关键词： zinc ion battery hydrogel electrolyte mechanical enhancement freezing resistance

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人红细胞对LAK细胞DNA合成和IL-2受体表达影响的研究

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上海免疫学杂志 2002年第4期22卷 267-268,272页

作者：郝京生赵荣山董玉环北京军区军事医学研究所石家庄050081

本文用3H-TdR掺入法、APAAP免疫染色法和MTT法研究人红细胞(RBC)对LAK细胞DNA合成、IL-2受体(IL-2R)表达及杀伤活性的影响.人RBC对LAK细胞DNA合成有抑制作用,对LAK细胞IL-2R表达和杀伤活性有促进作用.随RBC浓度增加,抑制作用和促进作用... 详细信息

本文用3H-TdR掺入法、APAAP免疫染色法和MTT法研究人红细胞(RBC)对LAK细胞DNA合成、IL-2受体(IL-2R)表达及杀伤活性的影响.人RBC对LAK细胞DNA合成有抑制作用,对LAK细胞IL-2R表达和杀伤活性有促进作用.随RBC浓度增加,抑制作用和促进作用均明显加强.

关键词：红细胞 LAK细胞 DNA合成 IL-2受体白细胞介素-2受体 APAAP免疫染色法 MTT法 ^3H-TdR掺入法

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The complex roles of m^(6)A modifications in neural stem cell proliferation, differentiation, and self-renewal and implications for memory and neurodegenerative diseases

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Neural Regeneration Research 2025年第6期20卷 1582-1598页

作者： Yanxi Li jing Xue Yuejia Ma Ke Ye Xue zhao Fangliang Ge Feifei Zheng Lulu Liu Xu Gao Dayong Wang Qing Xia Department of Biochemistry and Molecular Biology College of Basic Medical SciencesHarbin Medical UniversityHarbinHeilongjiang ProvinceChina College of Basic Medical Sciences Harbin Medical UniversityHarbinHeilongjiang ProvinceChina Basic Medical Institute Heilongjiang Academy of Medical SciencesHarbinHeilongjiang ProvinceChina Key Laboratory of Heilongjiang Province for Genetically Modified Animals Harbin Medical UniversityHarbinHeilongjiang ProvinceChina Translational Medicine Research and Cooperation Center of Northern China Heilongjiang Academy of Medical SciencesHarbinHeilongjiang ProvinceChina Dongzhimen Hospital Beijing University of Chinese MedicineBeijingChina

N6-methyladenosine(m^(6)A), the most prevalent and conserved RNA modification in eukaryotic cells, profoundly influences virtually all aspects of mRNA metabolism. mRNA plays crucial roles in neural stem cell genesis and neural regeneration, where it is highly concentrated and actively involved in these processes. Changes in m^(6)A modification levels and the expression levels of related enzymatic proteins can lead to neurological dysfunction and contribute to the development of neurological diseases. Furthermore, the proliferation and differentiation of neural stem cells, as well as nerve regeneration, are intimately linked to memory function and neurodegenerative diseases. This paper presents a comprehensive review of the roles of m^(6)A in neural stem cell proliferation, differentiation, and self-renewal, as well as its implications in memory and neurodegenerative diseases. m^(6)A has demonstrated divergent effects on the proliferation and differentiation of neural stem cells. These observed contradictions may arise from the time-specific nature of m^(6)A and its differential impact on neural stem cells across various stages of development. Similarly, the diverse effects of m^(6)A on distinct types of memory could be attributed to the involvement of specific brain regions in memory formation and recall. Inconsistencies in m^(6)A levels across different models of neurodegenerative disease, particularly Alzheimer's disease and Parkinson's disease, suggest that these disparities are linked to variations in the affected brain regions. Notably, the opposing changes in m^(6)A levels observed in Parkinson's disease models exposed to manganese compared to normal Parkinson's disease models further underscore the complexity of m^(6)A's role in neurodegenerative processes. The roles of m^(6)A in neural stem cell proliferation, differentiation, and self-renewal, and its implications in memory and neurodegenerative diseases, appear contradictory. These inconsistencies may be a

关键词： Alzheimer's disease cell self-renewal central nervous system memory microglia nerve regeneration neurodegenerative diseases neurogenesis RNA methylation

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发达国家垄断网上科技信息传播:可能性及对策

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中国煤炭经济学院学报 2000年第3期14卷 45-48页

作者：徐志京郝兆春中国煤炭经济学院学报编辑部山东烟台264005 北沟镇第二中学山东蓬莱265601

美国已基本上垄断了计算机主要硬件 (CPU )和软件 (WINDOWS系列 )的生产 ;网上信息资源以英语为主 ;发达国家开发和研究网络较早 ,网络管理技术先进 ,且资金雄厚 :由于这些原因 ,发达国家已具备了垄断网上科技信息传播的条件。不但如此 ... 详细信息

美国已基本上垄断了计算机主要硬件 (CPU )和软件 (WINDOWS系列 )的生产 ;网上信息资源以英语为主 ;发达国家开发和研究网络较早 ,网络管理技术先进 ,且资金雄厚 :由于这些原因 ,发达国家已具备了垄断网上科技信息传播的条件。不但如此 ,在利用网络进行科技信息传播方面发达国家也早已走在了发展中国家的前头。所以 ,在 2 1世纪里 ,以美国为首的发达国家很可能垄断网上科技信息传播。如果这种可能变成现实 ,发展中国家的科技信息传播业将全面萎缩 ,发达国家不但可以直接攫取这一行业的超额利润 ,而且会凭借其垄断权进行信息掠夺 ,从而使国家和地区间已形成的差距拉得更大。为遏制这种垄断的形成和发展 ,增强我国在这一行业中的竞争力 ,我们主要应采取以下对策 :尽快修改和完善保障知识产权的各项法律法规 ;加大对科技信息传播业的支持力度 ;适当降低科技信息传播业的进入壁垒 ,尽快实现集约化、专业化经营 ;从政策上鼓励科研人员在国内发表研究成果 ;加强管理。

关键词：科技信息网络传播垄断知识经济发达国家

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