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Association between plasma immunoproteasome and 90-day prognosis after first-ever ischemic stroke

Neural Regeneration Research 2021年第4期16卷 795-800页

作者： xing-yong chen Ming Fu Shao-Fen Wan Xu Zhang Yin-Zhou Wang Department of Neurology Fujian Provincial HospitalShengli Clinical Medical College of Fujian Medical UniversityFuzhouFujian ProvinceChina

Many blood biomarkers are reportedly helpful for predicting post-stroke cognitive impairment(PSCI),but no biomarkers are widely used in clinical *** purpose of this study was to investigate the association between the plasma immunoproteasome and patients’90-day prognosis after first-ever acute ischemic *** our prospective,single-center study,259 patients with first-ever acute ischemic stroke were enrolled from the Department of Neurology,Fujian Provincial Hospital,China,from March to September *** these,27 patients(10.4%)had unfavorable outcomes as assessed by the Modified Rankin Scale(scores of 3–6).The National Institutes of Health Stroke Scale score on admission,plasma N-terminal pro-B-type natriuretic peptide(NT-pro-BNP)levels,and immunopro-teasome subunit(low molecular mass peptide[LMP]2,LMP5,and LMP7)levels were significantly higher in the unfavorable outcome group than in the favorable outcome *** predict unfavorable outcomes,the optimal cutoff points were National Institutes of Health Stroke Scale score>12,NT-pro-BNP level>1883.5 pg/mL,and LMP2 level>841.4 pg/*** the 193 patients that were able to complete the Mini-Mental State Examination at 90 days poststroke,66 patients(34.2%)had *** levels of NT-pro-BNP and LMP2 were higher in patients with PSCI than in those without *** predict PSCI,the optimal cutoff values were age>70.5 years and LMP2 level>630.5 pg/*** findings indicate that plasma LMP2 may serve as a new prognostic biomarker of poor outcome and PSCI at 90 days after *** study was approved by the Ethics Committee of Fujian Provincial Hospital,Provincial Clinical Medical College of Fujian Medical University(approval No.K2014-01-003)on January 15,2014.

关键词： behavior biomarker brain clinical trial cognitive impairment immune function neurological function protein stroke

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Bronchoscopy for diagnosis of COVID-19 with respiratory failure:A case report

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World Journal of Clinical Cases 2021年第5期9卷 1132-1138页

作者： Qing-Yun chen Yu-Sheng He Kai Liu Jing Cao yong-xing chen Department of Respiratory and Critical Care Medicine Hainan General HospitalHaikou 570311Hainan ProvinceChina Department of Internal Medicine Hainan Province's Fucheng Drug Rehabilitation CentreHaikou 570311Hainan ProvinceChina Infection Department Hainan General HospitalHaikou 570311Hainan ProvinceChina

BACKGROUND Although the imaging features of coronavirus disease 2019(COVID-19)are starting to be well determined,what actually occurs within the bronchi is poorly ***,we report the processes and findings of bronchoscopy in a patient with COVID-19 accompanied by respiratory *** SUMMARY A 65-year-old male patient was admitted to the Hainan General Hospital on February 3,2020 for fever and shortness of breath for 13 d that worsened for the last 2 *** severe acute respiratory syndrome coronavirus 2 nucleic acid test was *** blood examination on February 28 showed a white blood cell count of 11.02×109/L,86.9%of neutrophils,6.4%of lymphocytes,absolute lymphocyte count of 0.71×109/L,procalcitonin of 2.260 ng/mL,and C-reactive protein of 142.61 mg/*** saturation was 46%at baseline and turned to 94%after *** patient underwent video *** tracheal cartilage ring was clear,and no deformity was found in the *** trachea and bilateral bronchi were patent,while the mucosa was with slight hyperemia;no neoplasm or ulcer was *** amounts of white gelatinous secretions were found in the dorsal segment of the left inferior lobe,and the bronchial lumen was patent after sputum *** right inferior lobe was found with hyperemia and mucosal erosion,with white gelatinous secretion *** patient’s condition did not improve after the application of therapeutic *** For patients with COVID-19 and respiratory failure,bronchoscopy can be performed under mechanical ventilation to clarify the airway *** should be worn during the *** the risk of infection,it is not necessary to perform bronchoscopy in the mild to moderate COVID-19 patients.

关键词： COVID-19 Respiratory failure Bronchoscopy Diagnosis Treatment Case report

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Association of COL1A1 polymorphism with high myopia: a Meta-analysis

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International Journal of Ophthalmology(English edition) 2016年第4期9卷 604-609页

作者： Guang-Ming Jin Xiao-Jing Zhao Ai-Ming chen yong-xing chen Qin Li State Key Laboratory of Ophthalmology Zhongshan Ophthalmic Center Sun Yat-sen University Department of Ophthalmology the Fifth Affiliated Hospital of Sun Yat-sen University Department of Pharmacy the Fifth Affiliated Hospital of Sun Yat-sen University Department of Otorhinolaryngology Jiangmen Central Hospital

AIM： To investigate the association between collagen type I alpha 1（COL1A1） gene and high myopia.· METHODS： In this Meta-analysis, we examined 5published case-control studies that involved 1942 high myopia cases and 2929 healthy controls to assess the association between the COL1A1 rs2075555 polymorphism and high myopia risk. We calculated the pooled odds ratios（ORs） of COL1A1 rs2075555 polymorphism in high myopia cases vs healthy controls to evaluate the strength of the association.·RESULTS： Overall, there was no significant difference both in the genotype and allele distributions of COL1A1rs2075555 polymorphism between high myopia cases and healthy controls： CC vs AA OR =1.10, 95% confidence interval（CI）=0.76-1.58; AC vs AA OR=0.98, 95%CI 0.80-1.20; CC/AC vs AA/OR=1.01, 95%CI 0.84-1.22; CC vs AC/AA OR =1.06, 95% CI =0.93-1.20; C vs A OR =1.06, 95% CI0.91-1.23）. In addition, in the stratified analyses by ethnicity, no significant associations were found in any genetic model both in European and Asia cohorts.·CONCLUSION： Our results indicate that the COL1A1rs2075555 polymorphism may not affect susceptibility to high myopia.

关键词： collagen type I alpha 1 polymorphism high myopia Meta-analysis

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Inhibition of the immunoproteasome LMP_(2) ameliorates ischemia/hypoxia-induced blood–brain barrier injury through the Wnt/β-catenin signalling pathway

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Military Medical Research 2022年第4期9卷 404-418页

作者： xing-yong chen Shao-Fen Wan Nan-Nan Yao Ze-Jing Lin Yan-Guang Mao Xiao-Hua Yu Yin-Zhou Wang Department of Neurology Fujian Provincial HospitalShengli Clinical Medical College of Fujian Medical UniversityNo.134DongjieGulou DistrictFuzhou 350001China Fujian Academy of Medical Science Fuzhou 350o01China Key Testing Laboratory of Fujian Province Fuzhou 350001China.

Background:Disruption of the blood–brain barrier(BBB)after a stroke can lead to brain injury and neurological *** work confirmed the involvement of the immunoproteasome subunit of low molecular mass peptide 2(LMP2)in the pathophysiology of ischemia ***,the relationship between the immunoproteasome LMP2 and the BBB remains ***:Adult male Sprague–Dawley rats were subjected to transient middle cerebral artery occlusion/reperfusion(MCAO/R).Three days before MCAO,the rats were treated with lentivirus-mediated LMP2 shRNA preparations by stereotactical injection into the ipsilateral hemispheric *** rat brain microvascular endothelial cell(RBMVEC)line was exposed to oxygen–glucose deprivation/reperfusion(OGD/R)to mimic ischemic conditions in *** RNA interference-mediated knockdown of LMP2 orβ-catenin was analysed in vivo and in *** of the quantity of extravasated Evans blue(EB)and cerebral fluorescent angiography were performed to evaluate the integrity of the *** and Western blotting were employed to detect the expression of target *** migration was evaluated using a scratch migration *** results of immunofluorescence,Western blotting and cell migration were quantified using the software ImageJ(Version 1.53).Parametric data from different groups were compared using one-way ANOVA followed by the least significant difference(LSD)***:Cerebral ischemia led to lower levels of structural components of the BBB such as tight junction proteins[occludin,claudin-1 and zonula occludens(ZO-1)]in the MCAO/R group compared with the sham group(P<0.001).However,inhibition of the immunoproteasome LMP2 restored the expression of these proteins,resulting in higher levels of occludin,claudin-1 and ZO-1 in the LMP2-shRNA group compared with the control-shRNA group(P<0.001).In addition,inhibition of the immunoproteasome LMP2 contributed to higher microvascular density and decreased BBB perm

关键词： Immunoproteasome Blood–brain barrier Wnt/β-catenin pathway Oxygen–glucose deprivation/reperfusion Cerebral ischemia

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Mutual regulation of microglia and astrocytes after Gas6 inhibits spinal cord injury

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Neural Regeneration Research 2025年第2期20卷 557-573页

作者： Jiewen chen Xiaolin Zeng Le Wang Wenwu Zhang Gang Li xing cheng Peiqiang Su yong Wan Xiang Li Department of Spine Surgery The First Affiliated HospitalSun Yat-sen UniversityGuangzhouGuangdong ProvinceChina Guangdong Province Key Laboratory of Orthopedics and Traumatology GuangzhouGuangdong ProvinceChina

Invasive inflammation and excessive scar formation are the main reasons for the difficulty in repairing nervous tissue after spinal cord *** and astrocytes play key roles in the spinal cord injury micro-environment and share a close ***,the mechanisms involved remain *** this study,we found that after spinal cord injury,resting microglia(M0)were polarized into pro-inflammatory phenotypes(MG1 and MG3),while resting astrocytes were polarized into reactive and scar-forming *** expression of growth arrest-specific 6(Gas6)and its receptor Axl were significantly down-regulated in microglia and astrocytes after spinal cord *** vitro experiments showed that Gas6 had negative effects on the polarization of reactive astrocytes and pro-inflammatory microglia,and even inhibited the cross-regulation between *** further demonstrated that Gas6 can inhibit the polarization of reactive astrocytes by suppressing the activation of the Yes-associated protein signaling ***,in turn,inhibited the polarization of pro-inflammatory microglia by suppressing the activation of the nuclear factor-κB/p65 and Janus kinase/signal transducer and activator of transcription signaling *** vivo experiments showed that Gas6 inhibited the polarization of pro-inflammatory microglia and reactive astrocytes in the injured spinal cord,thereby promoting tissue repair and motor function ***,Gas6 may play a role in the treatment of spinal cord *** can inhibit the inflammatory pathway of microglia and polarization of astrocytes,attenuate the interaction between microglia and astrocytes in the inflammatory microenvironment,and thereby alleviate local inflammation and reduce scar formation in the spinal cord.

关键词： astrocytes Axl cell polarization Gas6 Hippo signal inflammatory micro-environment intercellular interaction microglia single-cell sequencing spinal cord injury

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Transient diabetes mellitus with ABCC8 variant successfully treated with sulfonylurea:Two case reports and review of literature

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World Journal of Diabetes 2024年第8期15卷 1811-1819页

作者： Ling-Hua Shen Yan Cui Dong-Xia Fu Wei Yang Sheng-Nan Wu Hui-Zhen Wang Hai-Hua Yang yong-xing chen Hai-Yan Wei Department of Endocrinology and Metabolism Henan Key Laboratory of Children's Genetics and Metabolic DiseasesChildren's Hospital Affiliated to Zhengzhou UniversityHenan Children's Hospital Zhengzhou Children's HospitalZhengzhou 450018Henan ProvinceChina

BACKGROUND Transient neonatal diabetes mellitus(TNDM)is a rare form of diabetes mellitus that usually presents within the first 6 mo of *** often enter remission within several months,although relapse can occur later in *** in the ABCC8 gene,which encodes the sulfonylurea receptor 1 of the ATP-sensitive potassium channel in pancreatic beta cells,are associated with TNDM and permanent neonatal *** study describes a novel de novo c.3880C>T heterozygous ABCC8 variant that causes TNDM and can be treated with sulfonylurea *** SUMMARY We retrospectively analyzed 2 Chinese patients with TNDM who were diagnosed,treated,or referred for follow-up between September 2017 and September *** patients were tested for mutations using targeted next-generation *** with neonatal diabetes mellitus caused by a c.3880C>T heterozygous missense variant in the ABCC8 gene have not been reported *** children had an onset of post-infectious diabetic ketoacidosis,which is worth *** a follow-up visit after discontinuing insulin injection,oral glyburide was found to be effective with no adverse *** Early genetic testing of neonatal diabetes mellitus aids in accurate diagnosis and treatment and helps avoid daily insulin injections that may cause pain.

关键词： Neonatal diabetes mellitus ABCC8 Sulfonylurea receptors 1 KATP channels Sulfonylurea Glyburide Insulinulin Case report

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A case of Hashimoto's encephalopathy presenting with seizures and cognitive impairment

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Neuroimmunology and Neuroinflammation 2016年第1期3卷 117-119页

作者： xing-yong chen Yin-Zhou Wang Hui-Xin Lei Xu Zhang Department of Neurology Fujian Provincial HospitalFujian Medical University Shengli Clinical CollegeFuzhou 35000FujianChina

Hashimoto's encephalopathy(HE)is a rare disease with unknown *** epileptic seizure is reported in association with ***,the author reported an 18-year-old girl with a history of hyperthyroidism for one *** was admitted to the hospital due to status *** thyroid function test showed that the concentration of anti-thyroid peroxidase antibodies and thyroglobulin antibody were significantly *** magnetic resonance imaging showed that multiple abnormalities varied from bilateral frontal,parietal,occipital-temporal lobe to cerebellum *** patient’s symptoms were significantly relieved after methylprednisolone *** 3-month follow-up visits,she had been symptom *** is a diagnosis of exclusion and should be considered when evaluating a patient with cognitive dysfunction and high titers of anti-thyroid antibodies as it responds dramatically to steroids.

关键词： Hashimoto’s encephalopathy anti-thyroid antibodies steroid responsive encephalopathy

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Recent Advances in Fibrous Materials for Hydroelectricity Generation

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Nano-Micro Letters 2025年第2期17卷 109-133页

作者： Can Ge Duo Xu Xiao Feng xing Yang Zheheng Song Yuhang Song Jingyu chen Yingcun Liu Chong Gao yong Du Zhe Sun Weilin Xu Jian Fang College of Textile and Clothing Engineering Soochow UniversitySuzhou 215123People’s Republic of China National Engineering Laboratory for Modern Silk Soochow UniversitySuzhou 215123People’s Republic of China State Key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile UniversityWuhan 430200People’s Republic of China Institute of Functional Nano&Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123People’s Republic of China Department of Electrical and Computer Engineering University of MassachusettsAmherstMA 01003USA Department of Materials Imperial College LondonSouth Kensington CampusLondon SW72AZUK College of Textile Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China School of Materials Science and Engineering Shanghai Institute of Technology100 Haiquan RoadShanghai 201418People’s Republic of China

Depleting fossil energy sources and conventional polluting power generation pose a threat to sustainable *** generation from ubiquitous and spontaneous phase transitions between liquid and gaseous water has been considered a promising strategy for mitigating the energy *** materials with unique flexibility,processability,multifunctionality,and practicability have been widely applied for fibrous materials-based hydroelectricity generation(FHG).In this review,the power generation mechanisms,design principles,and electricity enhancement factors of FHG are first ***,the fabrication strategies and characteristics of varied constructions including 1D fiber,1D yarn,2D fabric,2D membrane,3D fibrous framework,and 3D fibrous gel are ***,the advanced functions of FHG during water harvesting,proton dissociation,ion separation,and charge accumulation processes are analyzed in ***,the potential applications including power supply,energy storage,electrical sensor,and information expression are also ***,some existing challenges are considered and prospects for future development are sincerely proposed.

关键词： Hydroelectricity Fibrous material Streaming potential Ion diffusion

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Graphene Aerogel Composites with Self‑Organized Nanowires‑Packed Honeycomb Structure for Highly Efficient Electromagnetic Wave Absorption

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Nano-Micro Letters 2025年第2期17卷 533-547页

作者： Xiao You Huiying Ouyang Ruixiang Deng Qiuqi Zhang Zhenzhong xing Xiaowu chen Qingliang Shan Jinshan Yang Shaoming Dong State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China Key Laboratory of Inorganic Coating Materials CAS Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China Structural Ceramics and Composites Engineering Research Center Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049People’s Republic of China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210People’s Republic of China School of Materials Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China University of Chinese Academy of Sciences Beijing 100039People’s Republic of China

With vigorous developments in nanotechnology,the elaborate regulation of microstructure shows attractive potential in the design of electromagnetic wave ***,a hierarchical porous structure and composite heterogeneous interface are constructed successfully to optimize the electromagnetic loss *** macro–micro-synergistic graphene aerogel formed by the ice template‑assisted 3D printing strategy is cut by silicon carbide nanowires(SiC_(nws))grown in situ,while boron nitride(BN)interfacial structure is introduced on graphene *** unique composite structure forces multiple scattering of incident EMWs,ensuring the combined effects of interfacial polarization,conduction networks,and magnetic-dielectric ***,the as-prepared composites present a minimum reflection loss value of−37.8 dB and a wide effective absorption bandwidth(EAB)of 9.2 GHz(from 8.8 to 18.0 GHz)at 2.5 ***,relying on the intrinsic high-temperature resistance of SiC_(nws) and BN,the EAB also remains above 5.0 GHz after annealing in air environment at 600℃ for 10 h.

关键词： Hierarchical porous structure Interface High-temperature resistance Graphene aerogel composites Electromagnetic wave absorption

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Variable phenotypes and outcomes associated with the MMACHC c.482G>A mutation:follow-up in a large CblC disease cohort

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World Journal of Pediatrics 2024年第8期20卷 848-858页

作者： Sheng-Nan Wu Hui-Shu E Yue Yu Shi-Ying Ling Li-Li Liang Wen-Juan Qiu Hui-Wen Zhang Rui-Xue Shuai Hai-Yan Wei Chi-Ju Yang Peng Xu Xi-Gui chen Hui Zou Ji-Zhen Feng Ting-Ting Niu Hai-Li Hu Kai-Chuang Zhang De-Yun Lu Zhu-Wen Gong Xia Zhan Wen-Jun Ji Xue-Fan Gu yong-xing chen Lian-Shu Han Department of Endocrinology and Metabolism Henan Key Laboratory of Children’s Genetics and Metabolic DiseasesChildren’s Hospital Affiliated to Zhengzhou UniversityHenan Children’s HospitalZhengzhou Children’s HospitalNo.255 Gangdu StreetZhengzhouChina Department of Pediatric Endocrinology and Genetics Fujian Children’s HospitalFuzhouChina The Center for Pediatric Liver Diseases Children’s HospitalFudan UniversityShanghaiChina Department of Pediatric Endocrinology/Genetics Shanghai Institute for Pediatric ResearchXinhua HospitalSchool of MedicineShanghai Jiao Tong UniversityNo.1665 Kongjiang RoadShanghaiChina Department of Pediatrics Second Affiliated Hospital of Naval Medical UniversityShanghaiChina Center of Neonatal Disease Screening Jining Maternal and Child Health Care HospitalJiningChina Center of Neonatal Disease Screening Jinan Maternal and Child Health Care HospitalJinanChina Center of Neonatal Disease Screening Shijiazhuang Maternal and Child Health Care HospitalShijiazhuangChina Center of Neonatal Disease Screening Shandong Maternal and Child Health Care HospitalJinanChina Center of Neonatal Disease Screening Hefei Maternal and Child Health Care HospitalHefeiChina

Background The aim of this study was to characterize the variable phenotypes and outcomes associated with the methylmalonic aciduria and homocystinuria type C protein gene(MMACHC)c.482G>A mutation in 195 Chinese cases with CblC *** We carried out a national,retrospective multicenter study of 195 Chinese patients with CblC disease attributable to the MMACHC c.482G>A variant either in a homozygous or compound heterozygous *** control group consisted of 200 patients diagnosed with CblC disease who did not possess the c.482G>A *** features,including disease onset,symptoms,biochemical metabolites,gene mutation,and follow-up outcomes were reviewed and analyzed in *** median follow-up period spanned 3 years and 8 months,with a range of 1 year and 2 months to 12 years and 10 *** Among 195 patients carrying the c.482G>A variant,125(64.1%)cases were diagnosed by newborn screening(NBS),60(30.8%)cases were detected due to disease onset,and 10(5.1%)cases were identified from sibling *** hundred and seventeen(93.6%)individuals who were diagnosed by NBS,and nine patients who came from sibling diagnoses remained asymptomatic in this *** 69 symptomatic patients of the c.482G>A group,more patients presented with later onset,and the top six common clinical symptoms at disease onset were developmental delay(59.4%),lower limb weakness and poor exercise tolerance(50.7%),cognitive decline(37.7%),gait instability and abnormal posture(36.2%),seizures(26.1%),and psychiatric and behavioral disturbances(24.6%).In the 159 symptomatic patients lacking c.482G>A variants,the most frequently observed clinical manifestations at disease onset included developmental delay(81.8%),lethargy and feeding difficulty(62.9%),lower limb weakness and poor exercise tolerance(54.7%),prolonged neonatal jaundice(51.6%),vomiting(47.2%),and seizures(32.7%).Before treatment,the levels of blood propionylcarnitine,propionylcarnitine/acetylcarnitine ratio

关键词： c.482G>A CblC disease MMACHC gene Newborn screening Outcome

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