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High mobility group box 1 in the central nervous system:regeneration hidden beneath inflammation

Neural Regeneration Research 2025年第1期20卷 107-115页

作者： Hanki kim Bum Jun kim Seungyon Koh Hyo Jin Cho Xuelian Jin byung gon kim Jun Young Choi Department of Brain Science Ajou University School of MedicineSuwonSouth Korea Department of Biomedical Sciences Ajou University Graduate School of MedicineSuwonSouth Korea Department of Neurology Ajou University School of MedicineSuwonSouth Korea Department of Geriatrics The Affiliated Suqian First People’s Hospital of Nanjing Medical UniversitySuqianJiangsu ProvinceChina

High-mobility group box 1 was first discovered in the calf thymus as a DNA-binding nuclear protein and has been widely studied in diverse fields,including neurology and ***-mobility group box 1 in the extracellular space functions as a pro-inflammatory damage-associated molecular pattern,which has been proven to play an important role in a wide variety of central nervous system disorders such as ischemic stroke,Alzheimer’s disease,frontotemporal dementia,Parkinson’s disease,multiple sclerosis,epilepsy,and traumatic brain *** drugs that inhibit high-mobility group box 1 as a damage-associated molecular pattern,such as glycyrrhizin,ethyl pyruvate,and neutralizing anti-high-mobility group box 1 antibodies,are commonly used to target high-mobility group box 1 activity in central nervous system *** it is commonly known for its detrimental inflammatory effect,high-mobility group box 1 has also been shown to have beneficial pro-regenerative roles in central nervous system *** this narrative review,we provide a brief summary of the history of high-mobility group box 1 research and its characterization as a damage-associated molecular pattern,its downstream receptors,and intracellular signaling pathways,how high-mobility group box 1 exerts the repair-favoring roles in general and in the central nervous system,and clues on how to differentiate the pro-regenerative from the pro-inflammatory *** targeting high-mobility group box 1 in the central nervous system may benefit from differentiating between the two functions rather than overall suppression of high-mobility group box 1.

关键词： central nervous system damage-associated molecular pattern ethyl pyruvate glycyrhizzin high mobility group box 1 inflammation neural stem cells neurodevelopment oligodendrocyte progenitor cells redox status regeneration

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Attribute of Big Data Analytics Quality Affecting Business Performance

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Journal of Social Computing 2023年第4期4卷 357-381页

作者： Sangjae Lee byung gon kim the College of Business Administration Sejong UniversitySeoul 05006Republic of Korea the Department of Digital Business Administration Namseoul UniversityCheonan 31020Republic of Korea

With an accelerating increase of business benefits produced from big data analytics (if used appropriately and intelligently by businesses in the private and public sectors), this study focused on empirically identifying the big data analytics (BDA) attributes. These attributes were classified into four groups (i.e., value innovation, social impact, precision, and completeness of BDA quality) and were found to influence the decision-making performance and business performance outcomes. A structural equation modeling analysis using 382 responses from a BDA related to practitioners indicated that the attributes of representativeness, predictability, interpretability, and innovativeness as related to value innovation greatly enhanced the decision-making confidence and effectiveness of decision makers who make decisions using big data. In addition, individuality, collectivity, and willfulness, which are related to social impact, also greatly improved the decision-making confidence and effectiveness of the same decision makers. This shows that the value innovation and social impact, which have received relatively less attention in previous studies, are the crucial attributes for BDA quality as they influence the decision-making performance. Comprehensiveness, factuality, and realism, which are linked to completeness, also have similar results. Furthermore, the higher the decision-making confidence of the decision makers who used big data was, the higher the financial performance of their companies. In addition, high decision-making confidence using big data was found to improve the nonfinancial performance metrics such as customer satisfaction and quality levels as well as product development capabilities. High decision-making effectiveness with big data was also shown to improve the nonfinancial performance metrics.

关键词： big data analytics(BDA) attribute of BDA quality decision-making confidence decisionmaking effectiveness financial business performance nonfinancial business performance

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Regeneration-associated macrophages： a novel approach to boost intrinsic regenerative capacity for axon regeneration

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Neural Regeneration Research 2016年第9期11卷 1368-1371页

作者： Min Jung Kwon Hyuk Jun Yoon byung gon kim Department of Brain Science Ajou University School of Medicine Suwon Republic of Korea Department of Neurology Ajou University School of Medicine Suwon Republic of Korea Neuroscience Graduate Program Department of Biomedical Sciences Ajou University Graduate School of Medicine Suwon Republic of Korea

Axons in central nervous system （CNS） do not regenerate spontaneously after injuries such as stroke and traumatic spinal cord iniury. Both intrinsic and extrinsic factors are responsible for the regeneration fail- ure, Although intensive research efforts have been invested on extrinsic regeneration inhibitors, the extent to which glial inhibitors contribute to the regeneration failure in viva still remains elusive. Recent exper- imental evidence has rekindled interests in intrinsic factors for the regulation of regeneration capacity in adult mammals. In this review, we propose that activating macrophages with pro-regenerative molecular signatures could be a novel approach for boosting intrinsic regenerative capacity of CNS neurons. Using a conditioning injury model in which regeneration of central branches of dorsal root ganglia sensory neu- rons is enhanced by a preceding injury to the peripheral branches, we have demonstrated that perineuronal macrophages surrounding dorsal root ganglia neurons are critically involved in the maintenance of en- hanced regeneration capacity. Neuron-derived chemokine （C-C motif） ligand 2 （CCL2） seems to mediate neuron-macrophage interactions conveying injury signals to perineuronal macrophages taking on a soley pro-regenerative phenotype, which we designate as regeneration-associated macrophages （RAMs）. Ma- nipulation of the CCL2 signaling could boost regeneration potential mimicking the conditioning injury, suggesting that the chemokine-mediated RAM activation could be utilized as a regenerative therapeutic strategy for CNS injuries.

关键词： axon regeneration conditioning injury neuron-macrophage interaction regeneration-associatedmacrophage cAMP CCL2 M2 polarization spinal cord injury

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Modeling subcortical ischemic white matter injury in rodents:unmet need for a breakthrough in translational research

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Neural Regeneration Research 2021年第4期16卷 638-642页

作者： Yuexian Cui Xuelian Jin Jun Young Choi byung gon kim Department of Brain Science Ajou University School of MedicineSuwonKorea Neuroscience Graduate Program Department of Biomedical SciencesAjou University Graduate School of MedicineSuwonKorea Department of Neurology Ajou University School of MedicineSuwonKorea Department of Neurology Yanbian University HospitalYanjiJilin ProvinceChina Department of Nephrology Suqian First HospitalSuqianJiangsu ProvinceChina

Subcortical ischemic white matter injury(SIWMI),pathological correlate of white matter hyperintensities or leukoaraiosis on magnetic resonance imaging,is a common cause of cognitive decline in *** its high prevalence,it remains unknown how various components of the white matter degenerate in response to chronic *** incomplete knowledge is in part due to a lack of adequate animal *** current review introduces various SIWMI animal models and aims to scrutinize their advantages and disadvantages primarily in regard to the pathological manifestations of white matter *** SIWMI animal models are categorized into 1)chemically induced SIWMI models,2)vascular occlusive SIWMI models,and 3)SIWMI models with comorbid vascular risk *** induced models display consistent lesions in predetermined areas of the white matter,but the abrupt evolution of lesions does not appropriately reflect the progressive pathological processes in human white matter *** occlusive SIWMI models often do not exhibit white matter lesions that are sufficiently unequivocal to be *** combined with comorbid vascular risk factors(specifically hypertension),however,they can produce progressive and definitive white matter lesions including diffuse rarefaction,demyelination,loss of oligodendrocytes,and glial activation,which are by far the closest to those found in human white matter hyperintensities ***,considerable surgical mortality and unpredictable natural deaths during a follow-up period would necessitate further refinements in these *** the meantime,in vitro SIWMI models that recapitulate myelinated white matter track may be utilized to study molecular mechanisms of the ischemic white matter *** in vivo and in vitro SIWMI models will contribute in a complementary manner to making a breakthrough in developing effective treatment to prevent progression of white matter hyperintensities.

关键词： animal model axonal degeneration demyelination hypertension ischemia oligodendrocytes subcortical ischemic white matter injury vascular cognitive impairment white matter hyperintensities

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Fortuitous benefits of activity-based rehabilitation in stem cell-based therapy for spinal cord repair: enhancing graft survival

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Neural Regeneration Research 2015年第10期10卷 1589-1590页

作者： Dong Hoon Hwang Hae Young Shin byung gon kim Department of Brain Science Ajou University School of Medicine Neuroscience Graduate Program Department of Biomedical Sciences Ajou University Graduate School of Medicine Neurology Ajou University School of Medicine

Traumatic injuries to spinal cord elicit diverse signaling pathways leading to unselective and complex pathological outcomes：death of multiple classes of neural cells,formation of cystic cavities and glial scars,disruption of axonal connections,and demyelination of spared axons,all of which can contribute more or less to debilitating functional impairments found in patients with spinal cord injury.

关键词： NSCs Fortuitous benefits of activity-based rehabilitation in stem cell-based therapy for spinal cord repair enhancing graft survival stem cell

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Sensitivity of Snowfall Characteristics to Meteorological Conditions in the Yeongdong Region of Korea

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Advances in Atmospheric Sciences 2021年第3期38卷 413-429页

作者： Yoo-Jun kim So-Ra IN Hae-Min kim Jin-Hwa LEE Kyu Rang kim Seungbum kim byung-gon kim High Impact Weather Research Department National Institute of Meteorological SciencesGangneung 25457Korea Operational Systems Development Department National Institute of Meteorological SciencesSeogwipo 63568Korea Department of Atmospheric Environmental Sciences Gangneung-Wonju National UniversityGangneung 25457Korea

This study investigates the characteristics of cold clouds and snowfall in both the Yeongdong coastal and mountainous regions under different meteorological conditions based on the integration of numerical modeling and three-hourly rawinsonde observations with snow crystal photographs for a snowfall event that occurred on 29−30 January *** found that rimed particles predominantly observed turned into dendrite particles in the latter period of the episode when the 850 hPa temperature decreased at the coastal site,whereas the snow crystal habits at the mountainous site were largely needle or rimed *** soundings showed a well-defined,two-layered cloud structure along with distinctive wind-directional shear,and an inversion in the equivalent potential temperature above the low-level cloud *** first experiment with a decrease in lower-layer temperature showed that the low-level cloud thickness was reduced to less than 1.5 km,and the accumulated precipitation was decreased by 87%compared with the control *** difference in precipitation amount between the single-layered experiment and control experiment(two-layered)was not so significant to attribute it to the effect of the seeder−feeder *** precipitation in the last experiment by weakening winddirectional shear was increased by 1.4 times greater than the control experiment specifically at the coastal site,with graupel particles accounting for the highest proportion(~62%).The current results would improve snowfall forecasts in complicated geographical environments such as Yeongdong in terms of snow crystal habit as well as snowfall amount in both time and space domains.

关键词： Yeongdong snow crystal rawinsonde cloud-resolving model

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Analytical evaluation and experimental validation on dynamic rocking behavior for shallow foundation considering structural response

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Earthquake Engineering and Engineering Vibration 2022年第1期21卷 37-51页

作者： Kil-Wan Ko Jeong-gon Ha Dong-Soo kim Department of Civil and Environmental Engineering UC BerkeleyCalifornia 94720USA Advanced Structures and Seismic Safety Research Division Daejeon 34057Korea Department of Civil and Environmental Engineering KAISTDaejeon 34141Korea

The challenge in the practical application of rocking foundations is the estimation of its performance,particularly the rotation angle,during a strong *** this study,the dynamic rocking behavior for a shallow foundation considering structural response was evaluated through two analytical approaches:the conventional soil-foundation-structure interaction(SFSI)governing equation of a single-degree-of-freedom(SDOF)structure on a rocking shallow foundation,and the Housner rocking model(i.e.,a rocking rigid block on a rigid base).Both approaches were validated with dynamic centrifuge *** test models consisted of a soft soil deposit,a shallow rectangular foundation,and an SDOF structure dominated by a bending behavior.A total of 11 foundation-structure systems and six seismic waves,including recorded earthquake signals and sinusoidal waves,were *** results showed that the conventional SFSI equation well predicted the maximum rotation during strong ***,this method was less accurate regarding the rotational phase information and maximum rotation of the foundation during weak *** the other hand,although the modified Housner′s rocking model required five parameters relevant to a soil-foundation-structure system,it overestimated the maximum rotation of the foundation when compared with the results from dynamic centrifuge tests.

关键词： soil-foundation-structure interaction maximum rotation angle rocking foundation Housner rocking model dynamic centrifuge test

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Effect of soil pH on the sorption capacity of soil organic matter for polycyclic aromatic hydrocarbons in unsaturated soils

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Pedosphere 2023年第2期33卷 365-371页

作者： Pil-gon kim Abhrajyoti TARAFDAR Jung-Hwan KWON Division of Environmental Science and Ecological Engineering Korea University145 Anam-roSeongbuk-guSeoul 02841(Korea)

Sorption by soil organic matter(SOM)is considered the most important process affecting the bioavailability of hydrophobic organic chemicals(HOCs)in *** sorption capacity of SOM for HOCs is affected by many environmental *** this study,we investigated the effects of soil pH and water saturation level on HOC sorption capacity of SOM using batch sorption *** of soil organic carbon-water partition coefficient(K_(OC))of six selected polycyclic aromatic hydrocarbons(PAHs)were measured in an artificial soil under various soil pH and water saturation *** sampling was used to measure K_(OC)with polydimethylsiloxane as the sampling *** of soil pH,K_(OC)increased with increasing soil water saturation level for lower-molecular-weight *** contrast,K_(OC)decreased with increasing soil water saturation level for higher-molecular-weight *** some fluctuations,K_(OC)tended to decrease with increasing soil pH at all water saturation *** indicates that earlier studies on the effects of soil pH on K_(OC)under saturated conditions could be extended to unsaturated *** K_(OC)tendencies were reproduced in three different natural soils,suggesting that the effects of soil water saturation level and pH might be generalized,at least for *** PAH sorption capacity of SOM was found to be resilient under dynamic soil pH conditions,which can be used to adjust the effects of soil pH.

关键词： contaminated soil hydrophobic organic chemical partition coefficient passive sampling pollutant soil water saturation level

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Dynamic observation of dendrite growth on lithium metal anode during battery charging/discharging cycles

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npj Computational Materials 2022年第1期8卷 960-972页

作者： Hae gon Lee Se Young kim Joon Sang Lee Next Generation Battery Research Center Korea Electrotechnology Research Institute(KERI)12Jeongiui-gilSeongsan-guChangwon-siGyeongsangnam-do51543Republic of Korea Department of Mechanical Engineering Yonsei University50 Yonsei-roSeodaemun-guSeoul03722Republic of Korea

Lithium metal is considered one of the most promising anode materials for application in next-generation ***,despite decades of research,practical application of lithium metal batteries has not yet been achieved because the fundamental interfacial mechanism of lithium dendrite growth is not yet fully *** this study,a series of reactive molecular dynamics (MD) simulations was performed to investigate the electrochemical dynamic reactions at the electrode/electrolyte *** allows quantitative characterization of morphological phenomena and real-time interfacial visualization of the dynamic growth of dead lithium and dendrites during repeated *** computational protocol was utilized to investigate the dendrite mitigation mechanism when an electrolyte additive (hydrogen fluoride) is dissolved in an organic ethylene carbonate (EC) electrolyte *** was confirmed that beneficial decomposition reactions between electrolyte components form a protective film on the anode surface,suppressing large interphase volume changes and unnecessary degradation reactions.

关键词： battery lithium electrolyte

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Pulmonary amyloidosis and multiple myeloma mimicking lymphoma in a patient with Sjogren’s syndrome:A case report

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World Journal of Clinical Cases 2022年第3期10卷 1016-1023页

作者： Joa kim Yun Sung kim Hee Jeong Lee Sang gon Park Department of Internal Medicine RheumatologyChosun University HospitalGwangju 501-717South Korea Department of Internal Medicine Chosun University HospitalGwangju 501-717South Korea Department of Internal Medicine Hemato-OncologyChosun University HospitalGwangju 501-717South Korea

BACKGROUND Sjogren’s syndrome(SS),which affect salivary gland function,is an autoimmune *** may involve extraglandular *** 10 to 20 percent of SS patients have clinically significant lung disease,but presentation of pulmonary amylodosis is extremly *** incidence of benign monoclonal gammopathy in SS patients is high,but multiple myeloma is *** case involving the simultaneous occurrence of two rare diseases,pulmonary amyloidosis and multiple myeloma,in the same patient with SS has been reported so *** SUMMARY A 41-year-old male patient was referred to our hematology department due to incidentally detected gastric *** had been diagnosed with SS four years *** miliary nodules,ground glass opacity in both lung fields,and enlargement of both inguinal lymph nodes was observed on chest and abdomen computer *** on the pathological findings of lung and lymph node biopsied specimens,the patient was diagnosed with pulmonary amyloidosis and multiple *** amyloidosis and multiple myeloma associated with SS has rarely been *** This is an extremely rare case of simultaneous pulmonary amyloidosis and multiple myeloma in the same patient with SS.

关键词： Case report Sjogren’s syndrome Amyloidosis Multiple myeloma Plasmacytoma

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