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Organization of microtubule plus-end dynamics by phase separation in mitosis

Journal of Molecular Cell Biology 2024年第2期16卷 24-35页

作者： Fengrui Yang Mingrui Ding Xiaoyu Song Fang Chen Tongtong Yang Chunyue Wang Chengcheng Hu Qing Hu Yihan Yao Shihao Du Phil YYao Peng Xia Gregory Adams Jr Chuanhai Fu Shengqi Xiang Dan Liu Zhikai Wang Kai Yuan Xing Liu MOE Key Laboratory for Membraneless Organelles&Cellular Dynamics Hefei National Research Center for Cross-disciplinary SciencesCenter for Advanced Interdisciplinary Science and Biomedicine of IHMDivision of Life Sciences and MedicineUniversity of Science&Technology of ChinaHefei 230027China Anhui Key Laboratory for Cellular Dynamics and Chemical Biology University of Science&Technology of ChinaHefei 230027China Keck Center for Organoids Plasticity Morehouse School of MedicineAtlantaGA 30310USA Hunan Key Laboratory of Molecular precision Medicine Central South UniversityChangsha 410083China

In eukaryotes,microtubule polymers are essential for cellular plasticity and fate ***-binding(EB)proteins serve as scaffolds for orchestrating microtubule polymer dynamics and are essential for cellular dynamics and chromosome segregation in ***,we show that EB1 forms molecular condensates with TIP150 and MCAK through liquid–liquid phase separation to compartmentalize the kinetochore–microtubule plus-end machinery,ensuring accurate kinetochore–microtubule interactions during chromosome segregation in *** of EB1–TIP150 polymer formation by a competing peptide prevents phase separation of the EB1-mediated complex and chromosome alignment at the metaphase equator in both cultured cells and Drosophila ***220 of EB1 is dynamically acetylated by p300/CBP-associated factor in early mitosis,and persistent acetylation at Lys220 attenuates phase separation of the EB1-mediated complex,dissolves droplets in vitro,and harnesses accurate chromosome *** data suggest a novel framework for understanding the organization and regulation of eukaryotic spindle for accurate chromosome segregation in mitosis.

关键词： phase separation mitosis microtubule dynamics EB1 acetylation

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Deciphering gastric inflammation-induced tumorigenesis through multi-omics data and AI methods

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Cancer Biology & Medicine 2024年第4期21卷 312-330页

作者： Qian Zhang Mingran Yang Peng Zhang Bowen Wu Xiaosen Wei Shao Li Institute for TCM-X MOE Key Laboratory of BioinformaticsBioinformatics DivisionBNRISTDepartment of AutomationTsinghua UniversityBeijing 100084China

Gastric cancer(GC), the fifth most common cancer globally, remains the leading cause of cancer deaths worldwide. Inflammation-induced tumorigenesis is the predominant process in GC development;therefore, systematic research in this area should improve understanding of the biological mechanisms that initiate GC development and promote cancer hallmarks. Here, we summarize biological knowledge regarding gastric inflammation-induced tumorigenesis, and characterize the multi-omics data and systems biology methods for investigating GC development. Of note, we highlight pioneering studies in multi-omics data and state-of-the-art network-based algorithms used for dissecting the features of gastric inflammation-induced tumorigenesis, and we propose translational applications in early GC warning biomarkers and precise treatment strategies. This review offers integrative insights for GC research, with the goal of paving the way to novel paradigms for GC precision oncology and prevention.

关键词： Gastric cancer inflammation-induced tumorigenesis multi-omics artificial intelligence network-based methods

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An intelligent DNA nanodevice for precision thrombus therapy

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Science China Chemistry 2024年第10期67卷 3195-3197页

作者： Yihao Zhou Qiangbin Wang CAS Key Laboratory of Nano-Bio Interface Division of Nanobiomedicine and i-LabSuzhou Instiute of Nano-Tech and Nano-BionicsChinese Academy of Sciences

Obstruction of blood vessels(thrombosis) due to blood clots is one of the main causes of death worldwide and is associated with many cardiovascular diseases, such as myocardial infarction, ischemic stroke, and pulmonary embolism[1]. Thrombolytic therapy is currently the preferred treatment for acute thrombosis and is administered intravenously with thrombolytic drugs, such as tissue plasminogen activator(tPA) [2].

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Decoding complexity: the need to enhance precision and streamline spatial understanding in neuroscience

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Neural Regeneration Research 2025年第3期20卷 801-802页

作者： Sameehan Mahajani Armita Salahi Brenda Gonzalez Charlotte Nelson Frank Hsiung Biology&Applications division NodexusSan JoseCAUSA

Neuroscience is the ultimate frontier in our quest for a comprehensive understanding of human behavior. Since its launch in 2009, the Human Connectome Project has emerged as a pioneering force, making heroic strides i... 详细信息

关键词： behavior frontier dating

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YOLO-Based Damage Detection with StyleGAN3 Data Augmentation for Parcel Information-Recognition System

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Computers, Materials & Continua 2024年第7期80卷 195-215页

作者： Seolhee Kim Sang-Duck Lee Department of Electrical and Computer engineering Sungkyunkwan UniversitySuwon16419Republic of Korea Logistics System Research division Korea Railroad Research InstituteUiwang16105Republic of Korea

Damage to parcels reduces customer satisfactionwith delivery services and increases return-logistics *** can be prevented by detecting and addressing the damage before the parcels reach the ***,various studies have been conducted on deep learning techniques related to the detection of parcel *** study proposes a deep learning-based damage detectionmethod for various types of *** is intended to be part of a parcel information-recognition systemthat identifies the volume and shipping information of parcels,and determines whether they are damaged;this method is intended for use in the actual parcel-transportation *** this purpose,1)the study acquired image data in an environment simulating the actual parcel-transportation process,and 2)the training dataset was expanded based on StyleGAN3 with adaptive discriminator ***,3)a preliminary distinction was made between the appearance of parcels and their damage status to enhance the performance of the parcel damage detection model and analyze the causes of parcel ***,using the dataset constructed based on the proposed method,a damage type detection model was trained,and its mean average precision was *** model can improve customer satisfaction and reduce return costs for parcel delivery companies.

关键词： Parcel delivery service damage detection damage classification data augmentation generative adversarial network

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An all-polarization-maintaining repetition-tunable erbium-doped passively mode-locked fiber laser

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Chinese Physics B 2013年第10期22卷 299-304页

作者：赵光贞肖晓晟孟飞梅佳伟杨昌喜 State Key Laboratory of precision Measurement Technology and Instruments Department of Precision InstrumentsTsinghua University division of Time and Frequency Metrology National Institute of Metrology

An environmentally stable, repetition rate tunable, all-polarization-maintaining, Er-doped pulse fiber laser with a single-wall carbon nanotubes saturated absorber is demonstrated. The ring laser cavity includes a delay line enabling a tunable repetition rate to vary from 35.52 MHz to 35.64 MHz with continuous mode-locked operation. The laser output parameters confirm that the tunable mode-locked operations are stable. High environmental stability is also confirmed by the -130 dBc/Hz low phase noise, a 70-dB signal-to-noise ratio of radio frequency signals, a low amplitude fluctuation of 5.76 × 10-4, and a low fluctuation of reoetition rate of 12 Hz. The laser shows a high de^ree of oolarization of 93%.

关键词： fiber laser modulation tuning and mode locking nanotubes

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Flow Injection Analysis Technique for Online Preconcentration of Lead Ions in Airborne Particulate Matter Using Imprinted Polymer as the Sorbent

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Journal of Analysis and Testing 2024年第2期8卷 180-190页

作者： Muhammad Bachri Amran Novita Ambarsari Muhammad Ali Zulfikar Asri Indrawati Rusnadi Rusnadi Saipul Hamdi Analytical Chemistry division Faculty of Mathematics and Natural SciencesInstitut Teknologi BandungBandung 40132Indonesia Research Center for Climate and Atmosphere National Research and Innovation AgencyBandung 40135Indonesia

This work reported a simple and sensitive flow injection analysis(FIA)technique coupled with a Flame Atomic Absorption Spectrophotometer(FAAS)for online preconcentration of lead(Ⅱ)ions in the airborne particulate matter samples(PM_(2.5))using ion-imprinted polymers as adsorbent packed in minicolumn.A bulk polymerization method was chosen to synthesize the polymer based on a ternary complex of lead ions with 4-2-pyridilazo resorcinol and 4-vinyl pyridine with methacrylic acid as a functional *** optimum pH for sorption was 6,and other variables for the FIA system were optimized,including breakthrough volume,eluent concentration,and eluent *** optimum conditions were reached with a breakthrough volume of 4.45 mL,calculated as a dynamic retention capacity of 5.20 mg/g of Pb(II)40 mg/L,with a 1.5 mL/min flow *** eluent used for the FIA system was 0.5 mL HNO_(3)of 3 mol/***,precision,and limits of detection of the FIA system were determined before being applied to preconcentration and analysis of lead ions in PM_(2.5)*** precision of the method was determined to be 3.09%by calculating the coefficients of the *** of the method in the concentration range of 50-1000μg/L gave a coefficient correlation of 0.9925,showing a good response,and the limit of detection of the system was 5.11μg/L,better than that of the FAAS *** of the FIA system were evaluated and showed good results with an enrichment factor of more than 20 times higher and a concentration efficiency of 11.65 min^(-1)with a consumptive index of 4.5 *** and analysis of the PM_(2.5)samples in Bandung City showed the concentrations of Pb(II)were 26.67μg/L and 33.3μg/L with the accuracy of the method for each sample of104.75%and 107.86%.

关键词： Flow injection analysis Lead(II)ions Imprinted polymer Particulate matter

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Unraveling the nexus between cellular senescence and malignant transformation:a paradigm shift in cancer research

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Cancer Biology & Medicine 2024年第7期21卷 541-546页

作者： Xiaoyu Song Xiyan Liu Qiqiang Guo Hongde Xu Liu Cao The College of Basic Medical Science Health Sciences InstituteChina Medical UniversityShenyang 110122China Key Laboratory of Cell Biology of Ministry of Public Health Key Laboratory of Medical Cell Biology of Ministry of EducationKey Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of EducationLiaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and PreventionChina Medical UniversityShenyang 110122China

Cellular senescence, a natural process wherein cells cease division and undergo irreversible growth arrest, has long captivated the curiosity of scientists because of its many implications in aging and disease. Recent research has shed light on the nexus between cellular senescence and malignant transformation, thus leading to a paradigm shift in understanding cancer development and progression.

关键词： malignant cancer transformation

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Numerical simulation and experimental study for rheo-forged component using direct and indirect die system

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Transactions of Nonferrous Metals Society of China 2010年第9期20卷 1799-1804页

作者： H.H.KIM C.G.KANG precision Manufacturing Systems division Pusan National University School of mechanical engineering Pusan National University

Sand casting and die casting processes have been used widely for complex automotive products such as knuckle, arm, ***, a part fabricated by casting has limited strength due to manufacturing defects such as the dendrite structure, segregation and *** an attempt to offer a solution to these problems, forging has been used as an alternative ***, the forging process provides limited formability for complex shape ***-forging of metal offers not only superior mechanical strength but also requires significantly lower machine loads than solid forming *** order to produce semi-solid materials of the desired microstructure, a stirring process is applied during solidification of molten *** results of an A356 aluminum alloy sample, which are obtained by experiment and by simulation using DEFORM 3D, are present.

关键词： rheo-forging A356 alloy formability forming defects

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Investigation and Mitigation of Carbon Deposition over Copper Catalyst during Electrochemical CO_(2)Reduction

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precision Chemistry 2024年第4期2卷 151-160页

作者： Jing-Wen DuanMu Zhi-Zheng Wu Fei-Yue Gao Peng-Peng Yang Zhuang-Zhuang Niu Yu-Cai Zhang Li-Ping Chi Min-Rui Gao division of Nanomaterials and Chemistry Hefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of ChinaHefei 230026China

Copper(Cu)is considered to be the most effective catalyst for electrochemical conversion of carbon dioxide(CO_(2))into value-added hydrocarbons,but its stability still faces considerable ***,we report the poisoning effect of carbon deposition during CO_(2)reduction on the active sites of Cu electrodea critical deactivation factor that is often *** find that,*C,an intermediate toward methane formation,could desorb on the electrode surface to form carbon *** reveal a strong correlation between the formation of methane and the carbon deposition,and the reaction conditions favoring methane production result in more carbon *** deposited carbon blocks the active sites and consequently causes rapid deterioration of the catalytic *** further demonstrate that the carbon deposition can be mitigated by increasing the roughness of the electrode and increasing the pH of the *** work offers a new guidance for designing more stable catalysts for CO_(2)reduction.

关键词： carbon deposition roughness in situ spectrum CO_(2)electroreduction copper catalyst

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