检索结果-南通市图书馆

Autophagy in hepatic progenitor cells modulates exosomal miRNAs to inhibit liver fibrosis in schistosomiasis

Frontiers of Medicine 2024年第3期18卷 538-557页

作者： Yue Yuan Jiaxuan Li Xun Lu Min chen Huifang Liang Xiao-ping chen Xin Long Bixiang Zhang Song Gong Xiaowei Huang Jianping Zhao qian chen Division of Gastroenterology Department of Internal Medicine at Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China Hepatic Surgery Center Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China Hubei Key Laboratory of Hepato–Pancreato–Biliary Diseases Wuhan430030China Department of Trauma Surgery Tongji Trauma CenterTongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China

Schistosoma infection is one of the major causes of liver *** roles of hepatic progenitor cells(HPCs)in the pathogenesis of liver fibrosis have been ***,the precise mechanism underlying the role of HPCs in liver fibrosis in schistosomiasis remains *** study examined how autophagy in HPCs affects schistosomiasis-induced liver fibrosis by modulating exosomal *** activation of HPCs was verified by immunohistochemistry(IHC)and immunofluorescence(IF)staining in fibrotic liver from patients and mice with Schistosoma japonicum *** coculturing HPCs with hepatic stellate cells(HSCs)and assessing the autophagy level in HPCs by proteomic analysis and in vitro phenotypic assays,we found that impaired autophagy degradation in these activated HPCs was mediated by lysosomal *** autophagy by the autophagy inhibitor chloroquine(CQ)significantly diminished liver fibrosis and granuloma formation in ***-infected ***-secreted extracellular vehicles(EVs)were further isolated and studied by miRNA ***-1306-3p,miR-493-3p,and miR-34a-5p were identified,and their distribution into EVs was inhibited due to impaired autophagy in HPCs,which contributed to suppressing HSC *** conclusion,we showed that the altered autophagy process upon HPC activation may prevent liver fibrosis by modulating exosomal miRNA release and inhibiting HSC activation in *** the autophagy degradation process may be a therapeutic strategy for liver fibrosis during Schistosoma infection.

关键词： schistosomiasis hepatic progenitor cell autophagy extracellular vesicle fibrosis miRNA

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Enhancing Li-S battery performance via functional polymer binders for polysulfide inhibition

引用

Journal of Energy Chemistry 2024年第10期97卷 228-236页

作者： Jinpeng Jian qian chen Hao Sun Rui Li Yaolin Hou Yulong Liu Jia Liu Haiming Xie Jiefang Zhu Nation & Local United Engineering Laboratory for Power Batteries Faculty of Chemistry Northeast Normal University Jilin Province Dongchi New Energy Technology Co. Ltd. Department of Chemistry-?ngstr?m Laboratory Uppsala University

The commercialization of lithium-sulfur(Li-S) batteries faces several challenges,including poor conductivity,unexpected volume expansion,and continuous sulfur loss from the cathode due to redox *** this study,we introduce a novel polymer via a simple cross-linking between poly(ether-thioureas)(PETU) and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)(PEDOT:PSS) as a bifunctio nal binder for Li-S batteries(devotes as "PPTU").Compared to polyvinylidene fluoride(PVDF),as-prepared PPTU exhibits significantly higher electrical conductivity,facilitating electrochemical ***,PPTU demonstrates effective adsorption of lithium polysulfides,leading to improved cycling stability by suppressing the shuttling *** investigate this behavior by monitoring morphological changes at the cell interface using synchrotron X-ray *** with PPTU binders exhibit remarkable rate performance,desired reversibility,and excellent cycling stability even under stringent bending and twisting *** work represents promising progress in functional polymer binder development for Li-S batteries.

关键词： Li-S batteries Bifunctional binders Electrode conductivity Shuttle effect

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Immunoglobulin G-mediated food intolerance and metabolic syndrome influence the occurrence of reflux esophagitis in Helicobacter pylori-infected patients

引用

World Journal of Gastroenterology 2024年第8期30卷 855-862页

作者： Li-Hui Wang Bin-Bin Su Sheng-Shu Wang Guan-Chao Sun Kun-Ming Lv Yi Li Hui Shi qian-qian chen College Chinese PLA General HospitalBeijing 100853China Department of Gastroenterology Second Medical Center of Chinese PLA General HospitalBeijing 100853China Institute of Geriatrics The 2nd Medical CenterBeijing Key Laboratory of Aging and GeriatricsNational Clinical Research Center for Geriatrics DiseasesSecond Medical Center of Chinese PLA General HospitalBeijing 100853China Department of Gastroenterology First Medical Center of Chinese PLA General HospitalBeijing 100853China

BACKGROUND Reflux esophagitis has an increasing prevalence and complex and diverse *** its risk factors is crucial to understanding the etiology,prevention,and management of the *** occurrence of reflux esophagitis may be associated with food reactions,Helicobacter pylori(***)infection,and metabolic *** To investigate the risk factors for reflux esophagitis and analyze the effects of immunoglobulin(Ig)G-mediated food intolerance,*** infection,and metabolic syndrome on reflux *** Outpatients attending the Second Medical Center of the PLA General Hospital between 2017 and 2021 were retrospectively *** patients’basic information,test results,gastroscopy results,*** test results,and IgG-mediated food intolerance results were *** logistic regression analysis was used to analyze risk factors for reflux *** mediation analysis was used to evaluate the effects of IgG-mediated food intolerance and metabolic syndrome on *** infection affecting reflux *** A total of 7954 outpatients were included;the prevalence of reflux esophagitis,IgG-mediated food intolerance,*** infection,and metabolic syndrome were 20.84%,61.77%,35.91%,and 60.15%,*** analysis showed that the independent risk factors for reflux esophagitis included IgG-mediated food intolerance(OR=1.688,95%CI:1.497-1.903,P<0.00001)and metabolic syndrome(OR=1.165,95%CI:1.030-1.317,P=0.01484),and the independent protective factor for reflux esophagitis was *** infection(OR=0.400,95%CI:0.351-0.456,P<0.00001).IgG-mediated food intolerance had a partially positive mediating effect on *** infection as it was associated with reduced occurrence of reflux esophagitis(P=0.0200).Metabolic syndrome had a partially negative mediating effect on *** infection and reduced the occurrence of reflux esophagitis(P=0.0220).CONCLUSION Patients with IgG-mediated food intol

关键词： Gastroesophageal reflux Esophagitis Food intolerance Metabolic syndrome Helicobacter pylori Chemokines

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Construction of the underlying circRNA-miRNA-mRNA regulatory network and a new diagnostic model in ulcerative colitis by bioinformatics analysis

引用

World Journal of Clinical Cases 2024年第9期12卷 1606-1621页

作者： Yu-Yi Yuan Hui Wu qian-Yun chen Heng Fan Bo Shuai Department of Integrated Traditional Chinese and Western Medicine Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022Hubei ProvinceChina

BACKGROUND Circular RNAs(circRNAs)are involved in the pathogenesis of many diseases through competing endogenous RNA(ceRNA)regulatory *** To investigate a circRNA-related ceRNA regulatory network and a new predictive model by circRNA to understand the diagnostic mechanism of circRNAs in ulcerative colitis(UC).METHODS We obtained gene expression profiles of circRNAs,miRNAs,and mRNAs in UC from the Gene Expression Omnibus *** circRNA-miRNA-mRNA network was constructed based on circRNA-miRNA and miRNA-mRNA *** enrichment analysis was performed to identify the biological mechanisms involved in *** identified the most relevant differential circRNAs for diagnosing UC and constructed a new predictive nomogram,whose efficacy was tested with the C-index,receiver operating characteristic curve(ROC),and decision curve analysis(DCA).RESULTS A circRNA-miRNA-mRNA regulatory network was obtained,containing 12 circRNAs,three miRNAs,and 38 *** optimal prognostic-related differentially expressed circRNAs,hsa_circ_0085323 and hsa_circ_0036906,were included to construct a predictive *** model showed good discrimination,with a C-index of 1(>0.9,high accuracy).ROC and DCA suggested that the nomogram had a beneficial diagnostic *** This novel predictive nomogram incorporating hsa_circ_0085323 and hsa_circ_0036906 can be conveniently used to predict the risk of *** circRNa-miRNA-mRNA network in UC could be more clinically significant.

关键词： Circular RNAs RNA regulatory network Ulcerative colitis New predictive model Bioinformatics Diagnose

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Physics-informed deep learning for fringe pattern analysis

引用

Opto-Electronic Advances 2024年第1期7卷 4-15页

作者： Wei Yin Yuxuan Che Xinsheng Li Mingyu Li Yan Hu Shijie Feng Edmund Y.Lam qian chen Chao Zuo Smart Computational Imaging Laboratory(SCILab) School of Electronic and Optical EngineeringNanjing University of Science and TechnologyNanjing 210094China Smart Computational Imaging Research Institute(SCIRI)of Nanjing University of Science and Technology Nanjing 210019China Jiangsu Key Laboratory of Spectral Imaging&Intelligent Sense Nanjing 210094China Department of Electrical and Electronic Engineering The University of Hong KongPokfulamHong Kong SAR 999077China

Recently,deep learning has yielded transformative success across optics and photonics,especially in optical *** neural networks (DNNs) with a fully convolutional architecture (e.g.,U-Net and its derivatives) have been widely implemented in an end-to-end manner to accomplish various optical metrology tasks,such as fringe denoising,phase unwrapping,and fringe ***,the task of training a DNN to accurately identify an image-to-image transform from massive input and output data pairs seems at best naive,as the physical laws governing the image formation or other domain expertise pertaining to the measurement have not yet been fully exploited in current deep learning *** this end,we introduce a physics-informed deep learning method for fringe pattern analysis (PI-FPA) to overcome this limit by integrating a lightweight DNN with a learning-enhanced Fourier transform profilometry (Le FTP) *** parameterizing conventional phase retrieval methods,the Le FTP module embeds the prior knowledge in the network structure and the loss function to directly provide reliable phase results for new types of samples,while circumventing the requirement of collecting a large amount of high-quality data in supervised learning *** by the initial phase from Le FTP,the phase recovery ability of the lightweight DNN is enhanced to further improve the phase accuracy at a low computational cost compared with existing end-to-end *** results demonstrate that PI-FPA enables more accurate and computationally efficient single-shot phase retrieval,exhibiting its excellent generalization to various unseen objects during *** proposed PI-FPA presents that challenging issues in optical metrology can be potentially overcome through the synergy of physics-priors-based traditional tools and data-driven learning approaches,opening new avenues to achieve fast and accurate single-shot 3D imaging.

关键词： optical metrology deep learning physics-informed neural networks fringe analysis phase retrieval

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Reversibly size-switchable polyion complex micelles for antiangiogenic cancer therapy

引用

Chinese Chemical Letters 2024年第7期35卷 377-382页

作者： Mengjuan Sun Muye Zhou Yifang Xiao Hailei Tang Jinhua chen Ruitao Zhang Chunjiayu Li Qi Ya qian chen Jiasheng Tu Qiyue Wang Chunmeng Sun NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients China Pharmaceutical UniversityNanjing 210009China State Key Laboratory of Natural Medicines China Pharmaceutical UniversityNanjing 211198China Department of Pharmaceutics School of PharmacyChina Pharmaceutical UniversityNanjing 211198China Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics China Pharmaceutical UniversityNanjing 210009China School of Pharmaceutical Science Nanjing Tech UniversityNanjing 211816China

Size is one of the most important characteristics of nanoparticles to influence their biodistribution and antitumoral *** with large sizes have difficulty in deep tumor penetration,while small particles are easily removed from tumor tissues due to the high tumor interstitial fluid *** address these issues,an intelligent core-crosslinked polyion complex micelle(cPCM)with a reversibly sizeswitchable feature was engineered in this *** micelles are consisting of methoxy poly(ethylene glycol)-poly(D,L-lactide)copolymer(mPEG-PLA),mPEG-PLA-(HE)6CC,and mPEG-PLA-(RG)6CC at an optimal mass ratio of 6:1:1 with an antiangiogenic compound,dabigatran etexilate(DE),*** net charge inside the micelles is switchable when exposed to different pH conditions,thereby leading to revisable size-change of ***-loaded micelles(DE@cPCM)can swell and release drugs at the tumor sites with a mildly acidic pH,while they shrink and protect the cargo from leaking into the blood circulation with a neutral *** indicated that DE@cPCM can inhibit tumor angiogenesis in vitro and in vivo,thereby efficiently restraining tumor growth in a 4T1-bearing mouse ***,the sizeswitchable cPCM is a promising nanoplatform for targeting delivery of anticarcinogens into the matrix of tumor tissues.

关键词： Polyion complex micelle Size-switchable Revisable size-change pH response Antiangiogenic cancer

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Sporadic gastrinoma with refractory benign esophageal stricture:A case report

引用

World Journal of Clinical Cases 2024年第7期12卷 1284-1289页

作者： qian-Nan chen Bing-Qing Bai Yan Xu Qiao Mei Xiao-Chang Liu Department of Gastroenterology First Affiliated Hospital of Anhui Medical UniversityHefei 230001Anhui ProvinceChina

BACKGROUND Gastrinoma is characterized by an excessive release of gastrin,leading to hypersecretion of gastric acid,subsequently resulting in recurrent peptic ulcers,chronic diarrhea,and even esophageal *** case report aims to improve awareness and facilitate early diagnosis and treatment of gastrinoma by presenting a rare case of gastrinoma with refractory benign esophageal stricture(RBES).Additionally,it highlights the persistent challenges that gastroenterologists encounter in managing *** SUMMARY This case demonstrates a patient with gastrinoma who developed RBES and complete esophageal obstruction despite management with maximal acid suppressive therapy,multiple endoscopic bougie dilations and endoscopic incisional therapy(EIT).CONCLUSION It is essential to diagnose gastrinoma as early as possible,as inadequately controlled acid secretion over an extended period increases the risk of developing severe esophageal *** patients with esophageal strictures causing complete luminal obstruction,blind reopening EIT presents challenges and carries a high risk of perforation.

关键词： Gastrinoma Zollinger-Ellison syndrome Neuroendocrine neoplasm Chronic diarrhea Refractory benign esophageal stricture Case report

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

AGK2 pre-treatment protects against thioacetamide-induced acute liver failure via regulating the MFN2-PERK axis and ferroptosis signaling pathway

引用

Hepatobiliary & Pancreatic Diseases International 2024年第1期23卷 43-51页

作者： Qing-Qi Zhang qian chen Pan Cao Chun-Xia Shi Lu-Yi Zhang Lu-Wen Wang Zuo-Jiong Gong Department of Infectious Diseases Renmin Hospital of Wuhan UniversityWuhan 430060China

Background:Acute liver failure(ALF)is an unpredictable and life-threatening critical *** pathological characteristic of ALF is massive necrosis of hepatocytes and lots of inflammatory cells infiltration which may lead to multiple organ ***:Animals were divided into 3 groups,normal,thioacetamide(TAA,ALF model)and TAA+*** L02 cells were divided into 5 groups,normal,TAA,TAA+mitofusin 2(MFN2)-siRNA,TAA+AGK2,and TAA+AGK2+MFN2-siRNA *** liver histology was evaluated with hematoxylin and eosin staining,inositol-requiring enzyme 1(IRE1),activating transcription factor 6β(ATF6β),protein kinase R(PKR)-like endoplasmic reticulum kinase(PERK)and phosphorylated-PERK(p-PERK).C/EBP homologous protein(CHOP),reactive oxygen species(ROS),MFN2 and glutathione peroxidase 4(GPX4)were measured with Western blotting,and cell viability and liver chemistry were also *** endoplasmic reticulum membranes(MAMs)were measured by ***:The liver tissue in the ALF group had massive inflammatory cell infiltration and hepatocytes necrosis,which were reduced by AGK2 *** comparison to the normal group,apoptosis rate and levels of IRE1,ATF6β,p-PERK,CHOP,ROS and Fe2+in the TAA-induced ALF model group were significantly increased,which were decreased by AGK2 *** levels of MFN2 and GPX4 were decreased in TAA-induced mice compared with the normal group,which were enhanced by AGK2 *** with the TAA-induced L02 cell,apoptosis rate and levels of IRE1,ATF6β,p-PERK,CHOP,ROS and Fe2+were further increased and levels of MFN2 and GPX4 were decreased in the MFN2-siRNA ***2 pre-treatment decreased the apoptosis rate and levels of IRE1,ATF6β,p-PERK,CHOP,ROS and Fe2+and enhanced the protein expression of MFN2 and GPX4 in MFN2-siRNA treated L02 *** observation showed that level of MAMs was promoted in the AGK2 pre-treatment group when compared with the TAA-induced gr

关键词： SIRT2 inhibitor AGK2 Acute liver failure MFN2 Ferroptosis

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Matrix-Mediated Color-Tunable Ultralong Organic Room Temperature Phosphorescence of 7H-Benzo[c]carbazole Derivatives

引用

CCS Chemistry 2024年第3期6卷 798-811页

作者： chen qian Xue Zhang Zhimin Ma Xiaohua Fu Zewei Li Huiwen Jin Mingxing chen Hong Jiang Zhiyong Ma Beijing Advanced Innovation Center for Soft Matter Science and Engineering State Key Laboratory of Organic–Inorganic CompositesCollege of Chemical EngineeringBeijing University of Chemical TechnologyBeijing 100029 Beijing National Laboratory for Molecular Sciences College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871

Building on the recent systematic research on 1Hbenzo[f]indole(Bd),an important advancement in constructing ultralong organic room temperature(UORTP)materials with a universal strategy via a readily obtained unit(7H-Benzo[c]carbazole,BCz)is proposed in this *** powders of BCz and its derivatives merely exhibit blue fluorescence at ambient ***,when BCz and its derivatives are dispersed into polymer or powder matrixes,strong photo-activated green UORTP can be observed from their doped systems at room ***,the UORTP color can be tuned between green and yellow depending on the *** ultralong phosphorescence originates from the generation of charge-separated states via *** matrixes play a key role in both stabilizing charge-separated states and controlling UORTP *** interestingly,when using polymethyl methacrylate as matrix,the doped films achieve stronger photo-activated ultralong phosphorescence underwater than in air at room *** Bd,BCz achieves better performance not only in ultralong phosphorescence properties but also in practical *** work gains a deeper insight into the mechanism of UORTP and paves a new approach to applying organic phosphorescent materials to underwater coating and imaging.

关键词： 7H-Benzo[c]carbazole ultralong organic room temperature phosphorescence ion radical matrix-mediated color tunning underwater application

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Actively contractible and antibacterial hydrogel for accelerated wound healing

引用

Nano Research 2024年第8期17卷 7394-7403页

作者： Zhaoxin Ji Ting Wei Jiafei Zhu Jiaying Hu Zhisheng Xiao Boxiong Bai Xinying Lv Yu Miao Muchao chen cheng Wang Feng Pan Yang Yang Meng Li qian chen Institute of Functional Nano and Soft Materials Jiangsu Key Laboratory for Carbon-Based Functional Materials and DevicesSoochow UniversitySuzhou 215123China Department of Thoracic Surgery Shanghai Pulmonary HospitalSchool of MedicineTongji UniversityShanghai 200433China Central Laboratory Shanghai Pulmonary HospitalSchool of MedicineTongji UniversityShanghai 200433China School of Materials Science and Engineering Tongji UniversityShanghai 201804China Department of dermatology Shanghai Children’s Medical Center School of MedicineShanghai Jiao Tong UniversityShanghai 200025China

Adhesive hydrogel has drawn great attention for wide applications in wound healing owing to its excellent biocompatibility and lasting ***,traditional adhesive hydrogels only keep the wound moist to promote wound *** is still imperative to fabricate adhesive hydrogels that exhibit efficient antibacterial ability,active driving dynamic wound closure,and reactive oxygen species(ROS)scavenging together with excellent mechanical ***,a novel hydrogel based on poly(N-isopropyl acrylamide)(PNIPAAm),a thermoresponsive polymer,and tannic acid(TA)-Ag nanoparticles(TA-Ag NPs)exhibiting active contraction,tissue adhesion,anti-inflammatory and antibacterial functions was ***-Ag dispersed in the hydrogel not only functioned as the catalyst to polymerize the reaction but also provided additional anti-inflammatory and antibacterial ***,tannic acid containing catechol groups endowed the hydrogel with adhesive *** interestingly,the obtained hydrogel exhibited the thermoresponsive shrinkage ability,which could mechanically drive wound closure due to the presence of PNIPAAm *** vivo mouse full-thickness skin defect model demonstrated that this actively contractible and antibacterial hydrogel is a promising dressing to improve wound healing process by accelerating tissue regeneration and preventing bacterial ***,this multi-functional adhesive hydrogel developed here may provide a new possibility for wound healing.

关键词： anti-inflammatory antibacterial active contraction hydrogel patch wound healing

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：