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Recovery of brachial plexus injury after bronchopleural fistula closure surgery based on electrodiagnostic study:A case report and review of literature

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World Journal of Clinical Cases 2022年第30期10卷 11090-11100页

作者： Young-In Go Da-Sol kim Gi-Wook kim Yu Hui Won Sung-hee Park Myoung-Hwan Ko Jeong-Hwan Seo Department of Physical Medicine&Rehabilitation Jeonbuk National University Medical SchoolJeonju 54907South Korea Research Institute of Clinical Medicine of Jeonbuk National University Biomedical Research Institute of Jeonbuk National University HospitalJeonju 54907South Korea

BACKGROUND Axillary thoracotomy and muscle flap are muscle-and nerve-sparing methods among the surgical approaches to bronchopleural fistula(BPF).However,in patients who are vulnerable to a nerve compression injury,nerve injury may *** this report,we present a unique case in which the brachial plexus(division level),suprascapular,and long thoracic nerve injury occurred after BPF closure surgery in a patient with ankylosing spondylitis and concomitant multiple joint *** SUMMARY A 52-year-old man with a history of ankylosing spondylitis with shoulder joint contractures presented with right arm weakness and sensory impairment immediately after axillary thoracotomy and latissimus dorsi muscle flap surgery for BPF *** the surgery,the patient was positioned in a lateral decubitus position with the right arm hyper-abducted for approximately 6 *** resonance imaging and ultrasound revealed subclavius muscle injury or myositis with brachial plexus(BP)compression and related *** electrodiagnostic study confirmed the presence of BP injury involving the wholedivision level,long thoracic,and suprascapular nerve *** was treated with medication,physical therapy,and ultrasound-guided *** steroid injection at the BP,hydrodissection with 5%dextrose water at the BP and suprascapular nerve,and intra-articular steroid and hyaluronidase injection at the glenohumeral joint were *** postoperative day 194,the pain and arm weakness were resolved,and a follow-up electrodiagnostic study showed marked *** Clinicians should consider the possibilities of multiple nerve injuries in patients with joint contracture,and treat each specific therapeutic target.

关键词： Brachial plexus Electrodiagnosis Physical therapy Surgical flaps Thoracotomy Case report

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Materials and extracellular matrix rigidity highlighted in tissue damages and diseases:Implication for biomaterials design and therapeutic targets

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Bioactive Materials 2023年第2期20卷 381-403页

作者： Jae hee Park Seung Bin Jo Jung-Hwan Lee Hae-Hyoung Lee Jonathan CKnowles Hae-Won kim Institute of Tissue Regeneration Engineering(ITREN) Dankook UniversityCheonan31116Republic of Korea Department of Nanobiomedical Science and BK21 NBM Global Research Center for Regenerative Medicine Dankook UniversityCheonan31116Republic of Korea Department of Biomaterials Science College of DentistryDankook UniversityCheonan31116Republic of Korea Cell&Matter Institute Dankook UniversityCheonan31116Republic of Korea Mechanobiology Dental Medicine Research Center Dankook UniversityCheonan31116Republic of Korea UCL Eastman-Korea Dental Medicine Innovation Centre Dankook UniversityCheonan31116Republic of Korea Division of Biomaterials and Tissue Engineering UCL Eastman Dental InstituteUniversity College LondonRoyal Free HospitalRowland Hill StreetLondonNW32PFUnited Kingdom

Rigidity(or stiffness)of materials and extracellular matrix has proven to be one of the most significant extracellular physicochemical cues that can control diverse cell behaviors,such as contractility,motility,and spreading,and the resultant pathophysiological *** 2D materials engineered with tunable rigidity have enabled researchers to elucidate the roles of matrix biophysical cues in diverse cellular events,including migration,lineage specification,and mechanical ***,the recent findings accumulated under 3D environments with viscoelastic and remodeling properties pointed to the importance of dynamically changing rigidity in cell fate control,tissue repair,and disease ***,here we aim to highlight the works related with material/matrix-rigidity-mediated cell and tissue behaviors,with a brief outlook into the studies on the effects of material/matrix rigidity on cell behaviors in 2D systems,further discussion of the events and considerations in tissue-mimicking 3D conditions,and then examination of the in vivo findings that concern material/matrix *** current discussion will help understand the material/matrix-rigidity-mediated biological phenomena and further leverage the concepts to find therapeutic targets and to design implantable materials for the treatment of damaged and diseased tissues.

关键词： Matrix rigidity Biophysical cue Cell and tissue engineering 3D biomaterials conditions Therapeutic targets

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Fourier transform infrared spectral features of plant biomass components during cotton organ development and their biological implications

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Journal of Cotton Research 2022年第2期5卷 130-142页

作者： HE Zhongqi LIU Yongliang kim hee Jin TEWOLDE Haile ZHANG Hailin Southern Regional Research Center USDA-ARSNew OrleansLA 70124USA Crop Science Research Laboratory USDA-ARSMississippi StateMS 39762USA Department of Plant and Soil Sciences Oklahoma State UniversityStillwaterOK 74078USA.

Background:The majority of attenuated total reflection Fourier transform infrared(ATR FT-IR)investigations of cotton are focused on the fiber tissue for biological mechanisms and understanding of fiber development and maturity,but rarely on other cotton biomass comp on *** work examined in detail the ATR FT-IR spectral features of various cott on tissues/organs at reproductive and maturation stages,an a lyzed and discussed their biological ***:The ATR FT-IR spectra of these tissues/organs were an a lyzed and compared with the focus on the lower wavenumber fingerprinting *** outstanding FT-IR bands at 1730,1620,1525,1235,1050 and 895 cm^(-1) represented the major C=O stretching,protein Amide I,Amide II,the O-H/N-H deformation,the total C-O-C stretching and the β-glycosidic linkage in celluloses,respectively,and impacted differently between these organs with the two growth ***,the band intensity at 1620,1525,1235,and 1050 cm^(-1) were exclusively and significantly correlated to the levels of protein(Amide I bond),protein(Amide II bond),cellulose,and hemicellulose,respectively,whereas the band at 1730 cm^(-1) was negatively correlated with ash ***:The resulting observations indicated the capability of ATR FT-IR spectroscopy for monitoring changes,transportation,and accumulation of the major chemical components in these tissues over the cotton growth *** other words,this spectral technology could be an effective tool for physiological,biochemical,and morphological research related to cotton biology and development.

关键词： Cotton Fourier transform infrared spectroscopy Fiber Cellulose Protein Plant tissue

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A GIS-Based Framework for Real-Time Debris-Flow Hazard Assessment for Expressways in Korea

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International Journal of Disaster Risk Science 2016年第3期7卷 293-311页

作者： Han-Saem kim choong-Ki Chung Sang-Rae kim Kyung-Suk kim Earthquake Research Center Korea Institute of Geoscience and Mineral Resources Department of Civil and Environmental Engineering Seoul National University Department of Civil and Environmental Engineering Northwestern University Expressway and Transportation Research Institute Korea Expressway Corporation

Debris flows caused by heavy rainfall in mountain areas near expressways lead to severe social and economic losses and sometimes result in ***, the development of a real-time system for debris-flow hazard assessment is necessary to provide preliminary information for rapid decision making about evacuations or restoration measures, as well as to prevent secondary disasters caused by debris flows. Recently,various map-based approaches have been proposed using multi-attribute criteria and assessment methods for debrisflow susceptibilities. For the macrozonation of debris-flow hazard at a national scale, a simplified method such as the Korea Expressway Corporation(KEC) debris-flow hazard assessment method can be applied for systematic analysis based on geographic information systems(GIS) and monitoring networks. In this study, a GIS-based framework of real-time debris-flow hazard assessment for expressway sections is proposed based on the KEC debris-flow hazard assessment method. First, the KEC-based method was standardized in a systematic fashion using Arc GIS,enabling the objective and quantitative acquisition of various attribute datasets. The quantification of rainfall criteria also was considered. A safety management system for debris-flow hazard was developed based on the GIS platform. Finally, the method was applied and verified on three expressway sections in Korea. The grading standard for each individual influencing attribute was subsequently modified to more accurately assess the debris-flow hazards.

关键词：碎片流动危险高速公路管理 GIS 朝鲜实时危险评价

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Quantum dots-labeled polymeric scaffolds for in vivo tracking of degradation and tissue formation

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Bioactive Materials 2022年第10期7卷 285-292页

作者： Kun hee Sim Seyed Mohammand Mir Sophia Jelke Solaiman Tarafder Jinho kim Chang H.Lee Regenerative Engineering Laboratory Center for Dental and Craniofacial ResearchColumbia University Irving Medical Center630 West 168th StreetVC12-211New YorkNY10032USA Department of Biomedical Engineering Stevens Institute of TechnologyHobokenNJ07030USA

The inevitable gap between in vitro and in vivo degradation rate of biomaterials has been a challenging factor in the optimal designing of scaffold’s degradation to be balanced with new tissue *** enable non-/minimum-invasive tracking of in vivo scaffold degradation,chemical modifications have been applied to label polymers with fluorescent ***,the previous approaches may have limited expandability due to complicated synthesis ***,we introduce a simple and efficient method to fluorescence labeling of polymeric scaffolds via blending with near-infrared(NIR)quantum dots(QDs),semiconductor nanocrystals with superior optical ***-labeled,3D-printed PCL scaffolds showed promising efficiency and reliability in quantitative measurement of degradation using a custom-built fiber-optic imaging ***,QDs-PCL scaffolds showed neither cytotoxicity nor secondary labeling of adjacent ***-PCL scaffolds also supported the engineering of fibrous,cartilaginous,and osteogenic tissues from mesenchymal stem/progenitor cells(MSCs).In addition,QDs-PCL enabled a distinction between newly forming tissue and the remaining mass of scaffolds through multi-channel ***,our findings suggest a simple and efficient QDs-labeling of PCL scaffolds and minimally invasive imaging modality that shows significant potential to enable in vivo tracking of scaffold degradation as well as new tissue formation.

关键词： Key terms:quantum dots Polycaprolactone Tissue engineering In vivo tracking Degradation

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Snail acetylation by autophagy-derived acetyl-coenzyme A promotes invasion and metastasis of KRAS-LKB1 co-mutated lung cancer cells

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Cancer Communications 2022年第8期42卷 716-749页

作者： Jang hee Han Yong Keon kim Hakhyun kim Jooyoung Lee Myung Joon Oh Sang Bum kim Minjee kim Kook Hwan kim Hyun Ju Yoon Myung-Shik Lee John D.Minna Michael A.White Hyun Seok kim Severance Biomedical Science Institute Yonsei University College of MedicineSeoul 03722Korea Department of Medical Science Yonsei University Graduate SchoolSeoul 03722Korea Department of Urology Seoul National University HospitalSeoul 03722Korea Checkmate Therapeutics Inc. Seoul 07207Korea Hamon Center for Therapeutic Oncology Research University of Texas Southwestern Medical CenterDallasTexas 75390USA Department of Cell Biology University of Texas Southwestern Medical CenterDallasTexas 75390USA Graduate School of Medical Science Brain Korea 21 ProjectYonsei University College of MedicineSeoul 03722Korea

Background: Autophagy is elevated in metastatic tumors and is often associatedwith active epithelial-to-mesenchymal transition (EMT). However, the extent towhich EMT is dependent on autophagy is largely unknown. This study aimed toidentify the mechanisms by which autophagy facilitates ***: We employed a liquid chromatography-based metabolomic approachwith kirsten rat sarcoma viral oncogene (KRAS) and liver kinase B1 (LKB1)gene co-mutated (KL) cells that represent an autophagy/EMT-coactivatedinvasive lung cancer subtype for the identification of metabolites linked to autophagy-driven EMT activation. Molecular mechanisms of autophagy-drivenEMT activation were further investigated by quantitative real-time polymerasechain reaction (qRT-PCR), Western blotting analysis, immunoprecipitation,immunofluorescence staining, and metabolite assays. The effects of chemicaland genetic perturbations on autophagic flux were assessed by two orthogonalapproaches: microtubule-associated protein 1A/1B-light chain 3 (LC3) turnoveranalysis by Western blotting and monomeric red fluorescent protein-greenfluorescent protein (mRFP-GFP)-LC3 tandem fluorescent protein quenchingassay. Transcription factor EB (TFEB) activity was measured by coordinatedlysosomal expression and regulation (CLEAR) motif-driven luciferase reporterassay. Experimental metastasis (tail vein injection) mouse models were used toevaluate the impact of calcium/calmodulin-dependent protein kinase kinase 2(CAMKK2) or ATP citrate lyase (ACLY) inhibitors on lung metastasis using IVISluciferase imaging ***: We found that autophagy in KL cancer cells increased acetyl-coenzymeA (acetyl-CoA), which facilitated the acetylation and stabilization of theeMT-inducing transcription factor Snail. The autophagy/acetyl-CoA/acetylSnail axis was further validated in tumor tissues and in autophagy-activatedpancreatic cancer cells. TFEB acetylation in KL cancer cells sustained prometastatic autophagy in a mammalian target o

关键词： snail autophagy acetyl-coenzyme A epithelial-to-mesenchymal transition non-small-cell lung cancer CAMKK2 acetyl-snail pancreatic cancer KRAS inhibitor metastasis ACLY

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Dieckol isolated from Eisenia bicyclis extract suppresses RANKL-induced osteoclastogenesis in murine RAW 264.7 cells

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Asian Pacific Journal of Tropical Biomedicine 2022年第6期12卷 262-269页

作者： Su-Hyeon Cho Tae-Hyung Kwon Hoibin Jeong Jin Sook kim Song-Rae kim Myeong Seon Jeong SeonJu Park Miri Choi Jung-hee Woo Juhee Ahn Kil-Nam kim Chuncheon Center Korea Basic Science InstituteChuncheon 24341Republic of Korea Department of Medical Biomaterials Engineering College of Biomedical SciencesKangwon National UniversityChuncheon 24341Republic of Korea Department of Research and Development Chuncheon Bio-industry FoundationChuncheonRepublic of Korea Marine Industry Research Institute for East se rim Uljin-gunGyeongsangbuk-doRepublic of Korea Department of Bio-analysis Science University of Science&TechnologyDaejeon34113Republic of Korea

Objective:To demonstrate the effect of dieckol from Eisenia bicyclis on osteoclastogenesis using RAW 264.7 ***:Murine macrophage RAW 264.7 cells were subjected to dieckol treatment,followed by treatment with receptor activator of nuclear factor kappa-B ligand(RANKL)to induce ***-resistant acid phosphatase(TRAP)activity was examined using a TRAP activity *** blotting analysis was conducted to examine the level of osteoclast-related factors,including TRAP and calcitonin receptor(CTR),transcriptional factors,including c-Fos,c-Jun,and nuclear factor of activated T cells cytoplasmic 1(NFATc1),nuclear factor kappa-B(NF-κB),extracellular signal-regulated kinase(ERK),and c-Jun N-terminal kinase(JNK).Immunofluorescence staining was conducted to examine the expression of c-Fos,c-Jun,and ***:Among the four phlorotannin compounds present in Eisenia bicyclis,dieckol significantly hindered osteoclast differentiation and expression of RANKL-induced TRAP and *** addition,dieckol downregulated the expression levels of c-Fos,c-Jun,NFATc1,ERK,and JNK,and suppressed NF-κB ***:Dieckol can suppress RANKL-induced ***,it has therapeutic potential in treating osteoclastogenesis-associated diseases.

关键词： Eisenia bicyclis Dieckol Osteoclasts ERK JNK NF-κB RANKL TRAP Calcitonin receptor NFATc1 RAW 264.7 cell

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Investigation of prodromal features in metabolic syndrome based on transcriptome analysis

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Genes & Diseases 2023年第3期10卷 708-711页

作者： Sang-Min Park Musun Park Hyo-Jeong Ban Su-Jin Baek Soo Yeon kim Siwoo Lee hee-Jeong Jin Korean Medicine(KM)Data Division Korea Institute of Oriental MedicineDaejeon 34054Republic of Korea College of Pharmacy Chungnam National UniversityDaejeon 34134Republic of Korea

Metabolic syndrome(MetS)is a complex condition that significantly increases the risk of several diseases,including heart disease and *** with MetS show both pro-inflammatory and pro-thrombotic states;however,the state... 详细信息

关键词： diseases Metabolic Patients

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Impact of guideline adherence on the prognosis of Barcelona clinic liver cancer stage B hepatocellular carcinoma

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World Journal of Gastroenterology 2023年第47期29卷 6122-6137页

作者： Ji Eun Han Hyo Jung Cho Jae Youn Cheong Sun Gyo Lim Min Jae Yang choong-Kyun Noh Gil Ho Lee Soon Sun kim Department of Gastroenterology Ajou University School of MedicineSuwon 16499Gyeonggi-doSouth Korea

BACKGROUND Patients with Barcelona clinic liver cancer(BCLC)stage B hepatocellular carcinoma(HCC)are considerably heterogeneous in terms of tumor burden,liver function,and performance *** improve the poor survival outcomes of these patients,treatment approaches other than transarterial chemoembolization(TACE),which is recommended by HCC guidelines,have been adopted in realworld clinical *** hypothesize that this non-adherence to treatment guidelines,particularly with respect to the use of liver resection,improves survival in patients with stage B *** To assess guideline adherence in South Korean patients with stage B HCC and study its impact on *** A retrospective analysis was conducted using data from 2008 to 2016 obtained from the Korea Central Cancer *** with stage B HCC were categorized into three treatment groups,guideline-adherent,upward,and downward,based on HCC guidelines recommended by the Asian Pacific Association for the Study of the Liver(APASL),the European Association for the Study of the Liver(EASL),and the American Association for the Study of Liver Diseases(AASLD).The primary outcome was HCC-related deaths;tumor recurrence served as the secondary *** among the groups was compared using the Kaplan-Meier method and the log-rank *** of survival outcomes were identified using multivariable Cox regression *** In South Korea, over the study period from 2008 to 2016, a notable trend was observed in adherence to HCCguidelines. Adherence to the EASL guidelines started relatively high, ranging from 77% to 80% between 2008 and2012, but it gradually declined to 58.8% to 71.6% from 2013 to 2016. Adherence to the AASLD guidelines began at71.7% to 75.9% from 2008 to 2010, and then it fluctuated between 49.2% and 73.8% from 2011 to 2016. In contrast,adherence to the APASL guidelines remained consistently high, staying within the range of 90.14% to 94.5%throughout the entire study per

关键词： Hepatocellular carcinoma Barcelona clinic liver cancer stage B Guideline adherence Liver neoplasms Transarterial chemoembolization Liver resection

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Preoperative risk factors for early recurrence in patients with resectable pancreatic ductal adenocarcinoma after curative intent surgical resection

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Hepatobiliary & Pancreatic Diseases International 2018年第5期17卷 450-455页

作者： Nam hee kim Hong Joo kim Division of Gastroenterology Department of Internal Medicine Kangbuk Samsung Hospital Sungkyunkwan University School of Medicine

Background: Postoperative early recurrence(ER) in patients with pancreatic ductal adenocarcinoma(PDAC) is frequently encountered after curative intent surgery. Nonetheless, clinical significance and risk factors of ER after surgery for PDAC have not been extensively investigated. The aim of this study was to determine preoperative risk predictors for ER in patients with PDAC after upfront surgery. Methods: Eighty-one consecutive patients with PDAC who underwent curative intent surgical resection at Kangbuk Samsung Hospital between January 2004 and May 2015 were enrolled. ER was defined as tumor relapse within 6 months after surgery. Results: ER occurred in 26 patients(32.1%), whereas 49 patients(60.5%) had late recurrence( ≥ 6 months after surgery), and 6 patients had no recurrence(7.4%). Univariate analysis showed that C-reactive protein(CRP) > 3.0 mg/dL, modified Glasgow prognostic score(mGPS) = 2, decrease of total lymphocyte count by > 50% of baseline value in the preoperative period, prognostic nutritional index(PNI) 3.0 mg/dL, decrease of total lymphocyte count by > 50% of baseline value, and preoperative SUVmax were significant and independent contributors of ER in patients with resectable PDAC who underwent curative intent surgery. Conclusions: Postoperative ER for resectable PDAC was frequent with poor prognosis after curative intent upfront surgery. It is reasonable to suggest that there is a subgroup of resectable PDAC patients at highrisk of ER and neoadjuvant therapy should be considered in these patients in a clinical trial setting.

关键词： Early recurrence Pancreatic ductal adenocarcinoma Preoperative risk factors C-reactive protein Maximum standardized uptake value

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