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The role of N-glycosylation in cancer

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Acta Pharmaceutica Sinica B 2024年第3期14卷 1098-1110页

作者： Yu Lin David M.Lubman Department of Surgery University of Michigan Medical CenterAnn ArborMI 48109USA

Despite advances in understanding the development and progression of cancer in recent years,there remains a lack of comprehensive characterization of the cancer *** play an important role in medicine and are involved in various human disease conditions including ***-moieties participate in fundamental cancer processes like cell signaling,invasion,angiogenesis,and *** N-glycosylation significantly impacts cancer processes and targeted therapies in ***,understanding N-glycosylation in a tumor is essential for comprehending disease progression and discovering anti-cancer targets and biomarkers for therapy monitoring and *** review presents the fundamental process of protein N-glycosylation and summarizes glycosylation changes in tumor cells,including increased terminal sialylation,N-glycan branching,and ***,the role of N-glycosylation in tumor signaling pathways,migration,and metabolism are *** and glycopeptides as potential biomarkers for early detection of cancer based on site specificity have been ***,understanding and exploring the cancer glycoproteome,along with its role in medicine,implication in cancer and other human diseases,highlights the significance of N-glycosylation in tumor processes,necessitating further research for potential anticancer targets and biomarkers.

关键词： N-Glycosylated proteins Cancer signaling Cancer angiogenesis Cancer metabolism Cancer biomarkers

Quantification of grain boundary effects on the geometrically necessary dislocation density evolution and strain hardening of polycrystalline Mg-4Al using in situ tensile testing in scanning electron microscope and HR-EBSD

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Journal of Magnesium and Alloys 2024年第5期12卷 1815-1829页

作者： Eunji Song Mohsen Taheri Andani Amit misra Department of Materials Science and Engineering University of MichiganAnn ArborMI 48109USA Department of Mechanical Engineering University of MichiganAnn ArborMI 48109USA Department of Mechanical Engineering Texas A&M UniversityCollege StationTX 77843USA

In situ tensile testing in a scanning electron microscope(SEM)in conjunction with high-resolution electron backscatter diffraction(HR-EBSD)under load was used to characterize the evolution of geometrically necessary dislocation(GND)densities at individual grain boundaries as a function of applied strain in a polycrystalline Mg-4Al *** increase in GND density was investigated at plastic strains of 0%,0.6%,2.2%,3.3% from the area including 76 grains and correlated with(i)geometric compatibility between slip systems across grain boundaries,and(ii)plastic *** develop expressions for the grain boundary GND density evolution as a function of plastic strain and plastic incompatibility,from which uniaxial tensile stress-strain response of polycrystalline Mg-4Al are computed and compared with experimental *** findings in this study contribute to understanding the mechanisms governing the strain hardening response of single-phase polycrystalline alloys and more reliable prediction of mechanical behaviors in diverse microstructures.

关键词： Mg-Al alloys Grain boundaries Geometrically necessary dislocations Strain gradient plasticity HR-EBSD

Topological Dirac-vortex microcavity laser for robust on-chip optoelectronics

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Light(Science & Applications) 2024年第4期13卷 591-592页

作者： Yuanpeng Wu Zetian mi Department of Electrical Engineering and Computer Science University of Michigan1301 Beal AvenueAnn ArborMI 48109USA

Dirac-vortex microcavity laser based on InAs/InGaAs quantum dots have been experimentally realized on silicon *** topological laser features a large spectral range and high robustness against variations such as cavity... 详细信息

关键词： laser optoelectronics cavity

Collaborative multi-lane on-ramp merging strategy for connected and automated vehicles using dynamic conflict graph

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Journal of Intelligent and Connected Vehicles

Journal of Intelligent and Connected Vehicles 2024年第1期7卷 38-51页

作者： Jia Shi Yugong Luo Pengfei Li Jiawei Wang Keqiang Li School of Vehicle and Mobility Tsinghua UniversityBeijing 100084China Department of Civil and Environmental Engineering University of MichiganAnn ArborMI 48109USA

The on-ramp merging in multi-lane highway scenarios presents challenges due to the complexity of coordinating vehicles’merging and lane-changing behaviors,while ensuring safety and optimizing traffic ***,there are few studies that have addressed the merging problem of ramp vehicles and the cooperative lane-change problem of mainline vehicles within a unified framework and proposed corresponding optimization *** tackle this issue,this study adopts a cyber-physical integration perspective and proposes a graph-based solution ***,the information of vehicle groups in the physical plane is mapped to the cyber plane,and a dynamic conflict graph is introduced in the cyber space to describe the conflict relationships among vehicle ***,graph decomposition and search strategies are employed to obtain the optimal solution,including the set of mainline vehicles changing lanes,passing sequences for each route,and corresponding ***,the proposed dynamic conflict graph-based algorithm is validated through simulations in continuous traffic with various densities,and its performance is compared with the default algorithm in *** results demonstrate the effectiveness of the proposed approach in improving vehicle safety and traffic efficiency,particularly in high traffic density scenarios,providing valuable insights for future research in multi-lane merging strategies.

关键词： cooperative merging multi-lane graph theory cyber-physical integration system

Reflections on COPD comorbidities

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Chinese Medical Journal 2024年第12期137卷 1504-1506页

作者： Zhenming He Yue Wang Lin Shan Yan Mou Yunhuan Liu Guanhua Ma Yanxu Wu Huili Zhu Jeffrey L.Curtis Shilei Cui Haiyan Ge Department of Pulmonary and Critical Care Medicine Huadong HospitalFudan UniversityShanghai 200040China Medical Service VA Ann Arbor Healthcare SystemAnn ArborMI 48105USA Pulmonary&Critical Care Medicine Division Department of Internal MedicineUniversity of MichiganAnn ArborMI 48109USA Graduate Program in Immunology University of MichiganAnn ArborMI 48109USA

To the Editor:Chronic obstructive pulmonary disease(COPD)is a common disease among the elderly,affecting over one-third of the elderly population *** progressive decline in lung function characteristic of COPD significantly impacts the quality of life and employability of affected individuals,resulting in a substantial direct and indirect socioeconomic *** frequently has comorbidities involving other organ *** all elderly COPD patients present with one or more comorbid conditions,collectively exacerbating health and economic *** viral and bacterial infections remain the most common triggers for COPD exacerbations(ECOPD).

关键词： morbid lung collective

Editorial for the Special Issue on Safety for Intelligent and Connected Vehicles

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Engineering 2024年第2期33卷 1-2页

作者： Jun Li Henry Liu Hong Wang School of Vehicle and Mobility Tsinghua UniversityBeijing 100084China michigan Traffic Lab University of MichiganAnn ArborMI 48109USA

Intelligent and connected vehicles(ICVs)are confronted with critically complex traffic scenarios and safety challenges that have attracted increasing attention from academia and *** intelligent safety of ICVs involves several technologies and requires the common efforts of researchers and engineers,including the safety of the intended functionality(SOTIF),the safety of artificial intelligence,the intricacies of cybersecurity,and ethical *** the intelligent safety of ICVs presents substantial chal-lenges in both research and commercialization,particularly SOTIF,which refers to the absence of unreasonable risk owing to hazards resulting from functional insufficiencies of the intended functiona-lity or reasonably foreseeable misuse by *** of the limited scene coverage ability of training samples and the practical application conditions without boundary restrictions,it is very dif-ficult to find the functional insufficiency of the intended function-ality and overcome it under dynamic unknown scenarios,which is also the source of SOTIF.

关键词： artificial overcome intended

Big Theta Equals Small Theta Generically

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Acta Mathematica Sinica,English Series 2024年第3期40卷 717-730页

作者： Rui CHEN Jia Liang ZOU Institute for Advanced Study in Mathmatics Zhejiang UniversityHangzhou 310058P.R.China Department of Mathematics University of Michigan530 Church StAnn ArborMI 48109USA

In this paper we consider the theta correspondence over a non-Archimedean local *** the homological method and the theory of derivatives,we show that under a mild condition the bigtheta lift is irreducible.

关键词： Theta correspondence derivatives

Envisioning Water-Resilient Cities Through the Lens of Blue-Green-Grey Solutions

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Engineering 2024年第5期36卷 1-2页

作者： Nan-Qi Ren Glen Daigger School of Civil and Environmental Engineering Harbin Institute of Technology(Shenzhen)Shenzhen 518055China State Key Laboratory of Urban Water Resource and Environment Harbin Institute of TechnologyHarbin 150090China Department of Civil and Environmental Engineering University of MichiganAnn ArborMI 48109USA

Cities are dynamic systems,and the urban water systems within them can be evolved to provide water services to both humans and the environment while also enhancing the broader urban *** is done by embracing innovation and technological advancement while focusing on increased service to the human population and the local and broader *** the contemporary era,characterized by the rise of low-carbon and intelligent technologies,the swift pace of socioeconomic expansion highlights the critical need to address issues of urban water security and environmental *** escalating resource and environmental constraints,adopting holistic blue-green-grey strategies becomes imperative for the sustainable governance of urban water *** integrated approach is needed to navigate the intricate challenges of urban water dynamics while fostering enhanced ecological performance and resilience.

关键词： services urban advancement

Mesenchymal stem cell-derived extracellular vesicles as a cell-free therapy for traumatic brain injury via neuroprotection and neurorestoration

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Neural Regeneration Research 2024年第1期19卷 49-54页

作者： Ye Xiong Asim Mahmood michael Chopp Department of Neurosurgery Henry Ford HospitalDetroitMIUSA Department of Neurology Henry Ford HospitalDetroitMIUSA Department of Physics Oakland UniversityRochesterMIUSA

Traumatic brain injury is a serious and complex neurological condition that affects millions of people *** significant advancements in the field of medicine,effective treatments for traumatic brain injury remain ***,extracellular vesicles released from mesenchymal stem/stromal cells have emerged as a promising novel therapy for traumatic brain *** vesicles are small membrane-bound vesicles that are naturally released by cells,including those in the brain,and can be engineered to contain therapeutic cargo,such as anti-inflammatory molecules,growth factors,and *** administered intravenously,extra cellular vesicles can cross the blood-brain barrier and deliver their cargos to the site of injury,where they can be taken up by recipient cells and modulate the inflammatory response,promote neuroregeneration,and improve functional *** preclinical studies,extracellular vesicle-based therapies have shown promising results in promoting recove ry after traumatic brain injury,including reducing neuronal damage,improving cognitive function,and enhancing motor *** further research is needed to establish the safety and efficacy of extra cellular vesicle-based therapies in humans,extra cellular vesicles represent a promising novel approach for the treatment of traumatic brain *** this review,we summarize mesenchymal ste m/stromal cell-de rived extracellular vesicles as a cell-free therapy for traumatic brain injury via neuroprotection and neurorestoration and brainderived extracellular vesicles as potential biofluid biomarkers in small and large animal models of traumatic brain injury.

关键词： biomarkers extracellular vesicles functional outcome mesenchymal stem/stromal cells neuroinflammation neuroplasticity neuroprotection traumatic brain injury