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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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Absence of enhancement in a lesion does not preclude primary central nervous system T-cell lymphoma:A case report

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world Journal of Clinical Cases 2024年第2期12卷 374-382页

作者： Chan-seop kim Chi-Hoon Choi Kyung sik Yi Yook kim Jisun Lee Chang Gok woo Young Hun Jeon Department of Radiology Chungbuk National University HospitalChungbuk National University College of MedicineCheongju-si 28644Chungcheongbuk-doSouth Korea Department of Pathology Chungbuk National University HospitalChungbuk National University College of MedicineCheongju-si 28644Chungcheongbuk-doSouth Korea Department of Radiology Seoul National University HosptialSeoul 03080South Korea

BACKGROUND Primary central nervous system lymphoma(PCNsL)is a non-Hodgkin lymphoma that originates in the central nervous system(CNs)and is exclusively limited to the *** most PCNsLs are diffuse large B-cell lymphomas,primary CNs T-cell lymphomas(PCNsTLs)are *** typically demonstrate some degree of enhancement on contrast-enhanced magnetic resonance imaging(MRI).To the best of our knowledge,non-enhancing PCNsTL has not been reported *** sUMMARY A 69-year-old male presented to the neurology department with complaints of mild cognitive impairment and gradual onset of left lower leg weakness over a span of two *** MRI showed asymmetric T2-hyperintense lesions within the *** enhancement was observed on the contrast-enhanced T1 *** initial diagnosis was neuro-Behçet’s *** high-dose steroid therapy,no alterations in the lesions were identified on initial *** patient’s symptoms deteriorated *** MRI performed one month after the initial scan revealed an increased lesion ***,brain biopsy confirmed the diagnosis of *** patient underwent definitive combined ***,the patient developed bacteremia and died of septic shock approximately three months after *** The absence of enhancement in the lesion did not rule out PCNsTL.A biopsy approach is advisable for pathological confirmation.

关键词： Central nervous system neoplasms Non-Hodgkin Lymphoma T-cell Lymphoma Primary central nervous system lymphoma Primary central nervous system T-cell lymphoma Case report

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Production of chitosan-based composite film reinforced with lignin-rich lignocellulose nanofibers from rice husk

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Journal of Bioresources and Bioproducts 2024年第2期9卷 174-184页

作者： Hye Jee Kang Yeon Ju Lee Jin Kyoung Lee Irnia Nurika sri suhartini Deokyeong Choe Dong Hyun kim Hoon Choi Natasha P.Murphy Ho Yong kim Young Hoon Jung school of Food science and Biotechnology Kyungpook National UniversityDaegu 41566Republic of Korea CPR s&T Co. Ltd.Gunpo 15880Republic of Korea Department of Agroindustrial Technology Faculty of Agricultural TechnologyUniversitas BrawijayaMalang 65145Indonesia Renewable Resources and Enabling sciences Center National Renewable Energy LaboratoryGoldenCO 80401United States Center for Bio-based Chemistry Korea Research Institute of Chemical TechnologyUlsan 44429Republic of Korea

Lignocellulosic nanofibers(LCNFs),implying lignin-containing cellulose fibers,maintain the prop-erties of both lignin and cellulose,which are hydrophobic and hydrophilic,*** pres-ence of hydrophobic lignin in LCNFs is expected to be an economical and attractive option that can improve the thermal and mechanical properties of ***,this study was conducted to produce lignin-rich LCNFs from sugar-rich waste obtained from rice husks after acidic *** LCNFs were produced from the lignin-rich solid fractions obtained after pretreatment and enzymatic hydrolysis,which were then incorporated as an additive into a chitosan-based *** variations in lignin content in the range of approximately 50.6%-66.8%in differently obtained LCNFs gave significantly different optical strengths and mechanical *** controllable processes may allow for customized film ***,the glucose-rich liquid fractions obtained after pretreatment and enzymatic hydrolysis were used as a substrate for ethanol fermentation to achieve total utilization of rice husk biomass *** conclusion,the lignin-rich biomass fraction holds promise as a suitable material for chitosan-LCNF film and has the potential to increase the economic feasibility of the biomaterial industry.

关键词： Rice husk Lignocellulose nanofiber Lignin-based material Chitosan film Upcycling

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The Effects of Accumulated short Bouts of Mobile-Based Physical Activity Programs on Depression,Perceived stress,and Negative Affectivity among College students in south Korea:Quasi-Experimental study

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International Journal of Mental Health Promotion 2024年第7期26卷 569-578页

作者： Ye Hoon Lee Yonghyun Park Hyungsook kim Division of Global sport Industry Hankuk University of Foreign StudiesGyeonggi-doRepublic of Korea Department of Data science Hanyang UniversitySeoulRepublic of Korea HY Digital Healthcare Center Hanyang UniversitySeoulRepublic of Korea

Regular physical activity(PA)is known to enhance multifaceted health beneﬁts,including both physical and mental ***,traditional in-person physical activity programs have drawbacks,including time constraints for busy *** evidence suggests positive impacts on mental health through mobile-based physical activity,effects of accumulated short bouts of physical activity using mobile devices are ***,this study aims to investigate these effects,focusing on depression,perceived stress,and negative affectivity among south Korean college ***-six healthy college students were divided into the accumulated group(n=23,female=47.8%)and control group(n=23,female=47.6%).The accumulated group engaged in mobile-based physical activity,following guidelines to accumulate a minimum of two times per day and three times a *** were divided into short bouts,ensuing each bout lasted at least 10 *** control group did not engage in any speciﬁc physical *** data analysis involved comparing the scores of the intervention and control groups using several statistical techniques,such as independent sample t-test,paired sample t-tests,and 2(time)×2(group)repeated measures analysis of *** demographic characteristics at the pre-test showed no statistically signiﬁcant differences between the *** accumulated group had signiﬁcant decreases in depression(t_(40)=2.59,p=0.013,Cohen’s D=0.84)and perceived stress(t_(40)=2.06,p=0.046,Cohen’s D=0.56)from the pre-to *** control group exhibited no statistically signiﬁcant differences in any ***,there were signiﬁcant effects of time on depression scores(F1,36=4.77,p=0.036,η_(p)^(2)=0.12)while signiﬁcant interaction effects were also observed for depression(F_(1,36)=6.59,p=0.015,η_(p)^(2)=0.16).This study offers informative insights into the potential advantages of mobile-based physical activity programs with accumulated periods for enhancing mental health

关键词： Depressive symptoms mental health mobile intervention short term exercise stress

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Effects of mesenchymal stem cell on dopaminergic neurons,motor and memory functions in animal models of Parkinson's disease:a systematic review and meta-analysis

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Neural Regeneration Research 2024年第7期19卷 1584-1592页

作者： Jong Mi Park Masoud Rahmati sang Chul Lee Jae Il shin Yong wook kim Department and Research Institute of Rehabilitation Medicine Yonsei University College of MedicineSeoulSouth Korea Department of Physical Education and sport sciences Faculty of Literature and Human SciencesLorestan UniversityKhoramabadIran Department of Pediatrics Yonsei University College of MedicineSeoulSouth Korea

Parkinson’s disease is chara cterized by the loss of dopaminergic neurons in the substantia nigra pars com pacta,and although restoring striatal dopamine levels may improve symptoms,no treatment can cure or reve rse the disease *** cell therapy has a regenerative effect and is being actively studied as a candidate for the treatment of Parkinson’s *** stem cells are considered a promising option due to fewer ethical concerns,a lower risk of immune rejection,and a lower risk of *** performed a meta-analysis to evaluate the therapeutic effects of mesenchymal stem cells and their derivatives on motor function,memory,and preservation of dopamine rgic neurons in a Parkinson’s disease animal *** searched bibliographic databases(PubMed/MEDLINE,Embase,CENTRAL,scopus,and web of science)to identify articles and included only pee r-reviewed in vivo interve ntional animal studies published in any language through J une 28,*** study utilized the random-effect model to estimate the 95%confidence intervals(CI)of the standard mean differences(sMD)between the treatment and control *** use the systematic review center for laboratory animal expe rimentation’s risk of bias tool and the collaborative approach to meta-analysis and review of animal studies checklist for study quality assessment.A total of 33studies with data from 840 Parkinson’s disease model animals were included in the *** with mesenchymal stem cells significantly improved motor function as assessed by the amphetamine-induced rotational *** the stem cell types,the bone marrow MsCs with neurotrophic factor group showed la rgest effect size(sMD[95%CI]=-6.21[-9.50 to-2.93],P=0.0001,I^(2)=0.0%).The stem cell treatment group had significantly more tyrosine hydroxylase positive dopamine rgic neurons in the striatum([95%CI]=1.04[0.59 to 1.49],P=0.0001,I^(2)=65.1%)and substantia nigra(sMD[95%CI]=1.38[0.89 to 1.87],P=0.0001,I^(2)=75.3%),indicating a

关键词： animal animal experimentation mesenchymal stem cells models Parkinson’s disease stem cell transplantation

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Roles of host proteases in the entry of sARs-CoV-2

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Animal Diseases 2024年第1期4卷 27-39页

作者： Alexandria Zabiegalal Yunjeong kim Kyeong-Ok Chang Department of Diagnostic Medicine and Pathobiology College of Veterinary MedicineKansas State University1800 Denison Avenue ManhattanKS 66506USA

The spike protein(s)of sARs-CoV-2 is responsible for viral attachment and entry,thus a major factor for host suscep-tibility,tissue tropism,virulence and *** s is divided with s1 and s2 region,and the s1 contains the receptor-binding domain(RBD),while the s2 contains the hydrophobic fusion domain for the entry into the host *** host proteases have been implicated in the activation of sARs-CoV-2 s through various c leavage *** this article,we review host proteases including furin,trypsin,transmembrane protease serine 2(TMPRss2)and cathepsins in the activation of sARs-CoV-2 *** betacoronaviruses including sARs-CoV-2 have polybasic residues at the s1/s2 site which is subjected to the cleavage by *** s1/s2 cleavage facilitates more assessable RBD to the receptor ACE2,and the binding triggers further conformational changes and exposure of the s2'site to proteases such as type Il transmembrane serine proteases(TTPRs)including *** the presence of TMPRss2 on the target cells,sARs-CoV-2 can utilize a direct entry route by fusion of the viral envelope to the cellular *** the absence of TMPRss2,sARs-CoV-2 enter target cells via endosomes where multiple cathepsins cleave the s for the successful *** host proteases involved in the cleavage of the s were *** article also includes roles of 3C-like protease inhibitors which have inhibitory activity against cathepsin L in the entry of sARs-CoV-2,and discussed the dual roles of such inhibitors in virus replication.

关键词： sARs-CoV-2 spike protein(s) Host proteases Cleavage site Virus entry

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Hydrogels for active photonics

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Microsystems & Nanoengineering 2024年第1期10卷 1-16页

作者： Byoungsu Ko Nara Jeon Jaekyung kim Hyunjung Kang Junhwa seong suhyeon Yun Trevon Badloe Junsuk Rho Department of Mechanical Engineering Pohang University of Science and Technology(POSTECH)Pohang 37673Republic of Korea Department of Chemical Engineering Pohang University of Science and Technology(POSTECH)Pohang 37673Republic of Korea Graduate school of Artificial Intelligence Pohang University of Science and Technology(POSTECH)Pohang 37673Republic of Korea POsCO-POsTECH-RIsT Convergence Research Center for Flat Optics and Metaphotonics Pohang 37673Republic of Korea

Conventional photonic devices exhibit static optical properties that are design-dependent,including the material’s refractive index and geometrical ***,they still possess attractive optical responses for applications and are already exploited in devices across various *** photonics has emerged as a promising solution in the field of active photonics by providing primarily deformable geometric parameters in response to external *** the past few years,various studies have been undertaken to attain stimuli-responsive photonic devices with tunable optical ***,we focus on the recent advancements in hydrogel-based photonics and micro/nanofabrication techniques for *** particular,fabrication techniques for hydrogel photonic devices are categorized into film growth,photolithography(PL),electron-beam lithography(EBL),and nanoimprint lithography(NIL).Furthermore,we provide insights into future directions and prospects for deformable hydrogel photonics,along with their potential practical applications.

关键词： lithography photonics attractive

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Two intestinal microbiota-derived metabolites, deoxycholic acid and butyrate, synergize to enhance host defense peptide synthesis and alleviate necrotic enteritis

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Journal of Animal science and Biotechnology 2024年第3期15卷 1158-1172页

作者： Dohyung M.kim Jing Liu Melanie A.whitmore Isabel Tobin Zijun Zhao Guolong Zhang Department of Animal and Food sciences Oklahoma State UniversityStillwaterOKUSA

Background Necrotic enteritis(NE)is a major enteric disease in poultry,yet effective mitigation strategies remain *** acid(DCA)and butyrate,two major metabolites derived from the intestinal microbiota,have independently been shown to induce host defense peptide(HDP)***,the potential synergy between these two compounds remains *** To investigate the possible synergistic effect between DCA and butyrate in regulating HDP synthesis and barrier function,we treated chicken HD11 macrophage cells and jejunal explants with DCA and sodium butyrate(NaB),either individually or in combination,for 24 ***,we performed RNA isolation and reverse transcrip-tion-quantitative PCR to analyze HDP genes as well as the major genes associated with barrier *** further determine the synergy between DCA and NaB in enhancing NE resistance,we conducted two independent trials with Cobb broiler *** each trial,the diet was supplemented with DCA or NaB on the day-of-hatch,followed by NE induction through sequential challenges with Eimeria maxima and Clostridium perfringens on d 10 and 14,*** recorded animal mortality after infection and assessed intestinal lesions on d *** impact of DCA and NaB on the microbiota in the ileum and cecum was evaluated through bacterial 16s rRNA gene *** we found that the combination of DCA and NaB synergistically induced multiple HDP genes in both chicken HD11 cells and jejunal ***,the gene for claudin-1,a major tight junction protein,also exhibited synergistic induction in response to DCA and ***,dietary supplementation with a combination of 0.75 g/kg DCA and 1 g/kg NaB led to a significant improvement in animal survival and a reduction in intestinal lesions compared to either compound alone in a chicken model of ***,the cecal microbiota of NE-infected chickens showed a marked decrease in sCFA-producing bacteria such as Bacteroides,F

关键词： Bile acids Host defense peptides Metabolites Microbiome Necrotic enteritis short-chain fatty acids

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surgical Repair of Ventricular septal Defect in Neonates: Indications and Outcomes

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Congenital Heart Disease 2024年第1期19卷 69-83页

作者： Jae Hong Lee sungkyu Cho Jae Gun Kwak Hye won Kwon woong-Han kim Mi Kyoung song sang-Yun Lee Gi Beom kim Eun Jung Bae Department of Thoracic and Cardiovascular surgery Research Institute for Convergence of Biomedical Science and TechnologyPusan National University Yangsan HospitalYangsanKorea Department of Thoracic and Cardiovascular surgery Seoul National University Children’s HospitalSeoulKorea Department of Pediatrics Seoul National University Children’s HospitalSeoulKorea

Background:The optimal surgical timing and clinical outcomes of ventricular septal defect(VsD)closure in neo-nates remain *** aimed to evaluate the clinical outcomes of VsD closure in neonates(age≤30 days).Methods:we retrospectively reviewed 50 consecutive neonates who underwent VsD closure for isolated VsDs between August 2003 and June *** for the procedure included congestive heart failure/failure to thrive and pulmonary *** adverse events(MAEs)were deﬁned as the composite of all-cause mortality,reoperation,persistent atrioventricular block,and signiﬁcant(≥grade 2)valvular ***:The median age and body weight at operation were 26.0 days(interquartile range[IQR],18.8–28.3)and 3.7 kg(IQR,3.3–4.2),*** median follow-up duration was 110.4 months(IQR,56.8–165.0).seven patients required preoperative respiratory support,andﬁve had signiﬁcant(≥grade 2)preoperative valvular *** early mortality occurred due to irreversible cardiogenic shock;no late mortality was *** reopera-tion was due to hemodynamically signiﬁcant residual VsD at 103.8 months *** overall survival,freedom from reoperation,and freedom from MAE at 15-years were 98.0%,96.3%,and 94.4%,***-operative mechanical ventilation was associated with a longer duration of postoperative mechanical ventilation(psive care unit stay(psions:VsD closure with favorable outcomes without morbidities is feasible even in ***,neonates requiring preoperative respiratory support may require careful postoperative management considering the long-term postoperative ***,surgical VsD closure might be indicated earlier in neonates with respiratory compromise.

关键词： Ventricular septal defect neonate early surgery neonatal surgery

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电沉积Mo和Mo-Co合金纳米线用于互联电阻的电阻率改性

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Engineering 2024年第1期32卷 127-137页

作者： Jun Hwan Moon Taesoon kim Youngmin Lee seunghyun kim Yanghee kim Jae-Pyoung Ahn Jungwoo Choi Hyuck Mo Lee Young Keun kim Department of Materials science and Engineering Korea UniversitySeoul 02841Republic of Korea Department of Materials science and Engineering Korea Advanced Institute of Science and EngineeringDaejeon 34141Republic of Korea Advanced Analysis Center Korea Institute of Science and TechnologySeoul 02792Republic of Korea Research Resources Division Korea Institute of Science and TechnologySeoul 02792Republic of Korea

Achieving historically anticipated improvement in the performance of integrated circuits is challenging,due to the increasing cost and complexity of the required technologies with each new *** overcome this limitation,the exploration and development of novel interconnect materials and processes are highly desirable in the microelectronics ***(Mo)is attracting attention as an advanced interconnect material due to its small resistivity size effect and high cohesive energy;however,effective processing methods for such materials have not been widely ***,we investigate the electrochemical behavior of ions in the confined nanopores that affect the electrical properties and microstructures of nanoscale Mo and Mo-Co alloys prepared via template-assisted *** in an electrolyte allow the deposition of extremely pure metal materials,due to their interac-tion with metal ions and *** this study,boric acid and tetrabutylammonium bisulfate(TBA)were added to an acetate bath to inhibit the hydrogen evolution *** accelerated the reduction of Mo at the surface by inducing surface conduction on the *** Mo nanowires with a 130 nm diameter synthesized through high-aspect-ratio nanopore engineering exhibited a resistivity of(63.0±17.9)μΩ*** also evaluated the resistivities of Mo-Co alloy nanowires at various compo-sitions toward replacing irreducible conventional barrier/liner *** intermetallic compound formed at a Mo composition of 28.6 at%,the resistivity of the Mo-Co nanowire was(58.0±10.6)μΩcm,indicat-ing its superior electrical and adhesive properties in comparison with those of conventional barriers such as TaN and ***,density functional theory and non-equilibrium Green's function calcula-tions confirmed that the vertical resistance of the via structure constructed from Mo-based materials was 21%lower than that of a conventional Cu/Ta/TaN structure.

关键词： Molybdenum Molybdenum-cobalt Interconnect Microstructure Electrodeposition Density functional theory

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