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Electroacupuncture improves myocardial fibrosis in heart failure rats by attenuating ECM collagen deposition through modulation of TGF-β1/Smads signaling pathway

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Traditional Medicine Research 2024年第8期9卷 1-10页

作者： Wen-Hui Wang Qian-lan Zeng jiao-jiao Zhang Hao-Sheng Wu Sheng-Bing Wu Mei-Qi Zhou College of Acupuncture and Massage Anhui University of Chinese MedicineHefei 230038China Anhui Province Key Laboratory of Meridian Viscera Correlationship Anhui University of Chinese MedicineHefei 230038China

Background: To explore the effects of electroacupuncture on cardiac function and myocardial fibrosis in rat models of heart failure, and to elucidate the underlying mechanism of electroacupuncture in heart failure treatment. Methods: Healthy male Sprague-Dawley rats were allocated into three groups: Sham group, Model group, and electroacupuncture (Model + EA) group, with each group comprising 8 rats. The model underwent a procedure involving the ligation of the left anterior descending coronary artery to induce a model of heart failure. The Model + EA group was used for 7 consecutive days for electroacupuncture of bilateral Shenmen (HT7) and Tongli (HT5), once a day for 30 min each time. Left ventricular parameters in rats were assessed using a small-animal ultrasound machine to analyze changes in left ventricular end-diastolic volume, left ventricular end-systolic volume, left ventricular ejection fraction, and left ventricular fractional shortening. Serum interleukin-1β (IL-1β), cardiac troponin (cTn), and N-terminal brain natriuretic peptide precursor levels were measured using ELISA. Histopathological changes in rat myocardium were observed through HE staining, while collagen deposition in rat myocardial tissue was assessed using the Masson staining method. Picro sirius red staining, immunohistochemical staining, and RT-qPCR were utilized to distinguish between the various types of collagen deposition. The expression level of TGF-β1 and SMAD2/3/4/7 mRNA in rat myocardial tissues was determined using RT-qPCR. Additionally, western blot analysis was conducted to assess the protein expression levels of TGF-β1, SMAD3/7, and p-SMAD3 in rat myocardial tissues. Results: Compared with the Sham group, the left ventricular ejection fraction and left ventricular fractional shortening values of the Model group were significantly decreased (P < 0.01);the left ventricular end-diastolic volume and left ventricular end-systolic volume values were remarkably increased (P < 0.01);serum N-terminal brain natriuretic peptide prec

关键词： heart failure electroacupuncture heart meridian of Hand-Shaoyin collagen deposition TGF-β1/Smads signaling pathway myocardial fibrosis

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Use of Evidence-Based Research Approach in RCTs of Acupuncture-Related Therapies for Primary Dysmenorrhea: A Meta-Research

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Chinese Journal of Integrative Medicine 2024年第6期30卷 551-558页

作者： HU Xiao-yi TIAN Zi-yu CHEN Huan HU Xiang-yu MING Tian-yu PENG Hao-xuan jiao Rui-min SHI lan-jun XIU Wen-cui YANG Ji-wei GANG Wei-juan JING Xiang-hong Institute of Acupuncture and Moxibustion China Academy of Chinese Medical SciencesBeijingChina Department of Traditional Chinese Medicine Beijing Puren HospitalBeijing100062China

Objective To assess the use of evidence-based research(EBR)approach in randomized controlled trials(RCTs)of acupuncture-related therapies for primary dysmenorrhea(PD).Methods PubMed,EMBASE,Cochrane Library,China National Knowledge Infrastructure,Wanfang Database,Chinese Biomedical Database,and China Science and Technology Journal Database were searched from January 2013 to December 2022 for RCTs of acupuncture on PD.The full text and references of each RCT were read to assess whether systematic reviews(SRs)or other types of studies with similar research questions and end-users’perspectives were cited to justify and design the trial.In addition,the discussion section were analyzed to evaluate whether trials placed the new result in the existing SRs to draw a conclusion.Multivariable logistic regression was used to find variables that associated with 3 aspects of EBR approach:(1)citing clinical studies for justification,(2)citing relevant studies that obtain the perspectives of end users,and(3)citing clinical studies for results discussion.Results Of 473 RCTs included,45.67%(216)of the trials cited relevant similar studies,21.56%(102)referenced to the studies that collected end-users’perspectives,and 10.99%(52)placed result in the context of the previous research.Few RCTs appropriately applied EBR approach.Among all the included studies,3.17%(15)of the trials used SRs to inform study questions but none of them used updated SRs with acceptable quality;1.05%(5)of the trials cited SRs of end-user’s perspectives in the justification and design of the study,and only 1 trial added results in existing SR to draw a conclusion.Year of publication,language,funding,registration,ethical approval and number of sites were significantly associated with 1 of the 3 aspects of EBR approach.Conclusions Few RCTs in acupuncture-related therapies for PD used the EBR approach to minimize research redundancy.Researchers,research institutes,funding agencies,ethics committees,journals and peer reviewers in acupuncture should make efforts to

关键词： evidence-based research acupuncture therapy primary dysmenorrhea randomized controlled trial systematic review end-usersperspective meta-research

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Dynamic surface restructuring of nanoporous Cu_(2-x)Se for efficient CO_(2) electroreduction into methanol

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Journal of Energy Chemistry 2022年第8期31卷 514-520,I0014页

作者： Xin Lin Xunlin Liu Yang Zhao jiao lan Kang Jiang Zhixiao Liu Feng Xie Yongwen Tan College of Materials Science and Engineering State Key Laboratory of Advanced Design and Manufacturing for Vehicle BodyHunan UniversityChangsha 410082HunanChina College of Materials Science and Engineering Hunan UniversityChangsha 410082HunanChina

The nanoporous Cu_(2-x)Se with Cu(Se-5%)surface catalysts were prepared through in situ dynamic restructuring strategy during the electrochemical process,which achieves highly selective electrochemical CO_(2) reduction to methanol.In situ and quasi-operando spectroscopic results provide a deep insight into the catalytic active centres of reconstructed heterogeneous catalysts for CO_(2) electroreduction.

关键词： Surface restructuring Nanoporous Cu_(2-x)Se Carbon dioxide reduction Methanol

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Increased Expression of Serum Monocyte Chemoattractant Protein-1, Chemokine (C-C motif) Ligand 3, and Interleukins in Patients With Vitiligo

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International Journal of Dermatology And Venereology 2024年第1期07卷 40-43页

作者： Zhao Xiao-Ling Li Ya-lan Li Zi-Han Zhang Xiao-Chong An Li-Hui Sun Yu-jiao Liu Deng-Xiang Cheng Fang Cancer Laboratory Xingtai People’s Hospital Xingtai Hebei 054001 China Endocrine Department Hebei 130500 Dermatological Department

Objective: Vitiligo is a chronic, acquired depigmentation of the skin, which can be divided into active and stable vitiligo. The stable and active stages are not immutable and often alternate. Identification of internal markers would help to diagnose the active stage of vitiligo, and the purpose of this study was to find potential active markers in the progression of vitiligo.Methods: We compared 30 healthy controls to 60 patients with vitiligo (30 with active disease and 30 with stable disease) regarding the expression of serum monocyte chemoattractant protein (MCP)-1, chemokine (C-C motif) ligand (CCL) 3, CCL5, CCL21, interleukin (IL)-6, and IL-17. Specimens were collected from May 2017 to December 2018. Serological detection was carried out by enzyme-linked immunosorbent assay. The difference between groups was compared by Kruskal-WallisH test and Mann-WhitneyU test.Results: We found that the serum levels of MCP-1, CCL3, IL-6, and IL-17 were significantly higher in patients with vitiligo than in healthy controls (P < 0.01 ) and that IL-17 was higher in patients with active vitiligo than in those with stable vitiligo (P < 0.01). After 3months of treatment, the serum IL-17 level of patients with active vitiligo was not significantly different from that before treatment (P = 0.526); after 6months of treatment, however, the serum IL-17 level had significantly decreased (P < 0.01).Conclusion: These findings suggest that the serum IL-17 level can be used as a marker of vitiligo disease activity giving it certain guiding significance for clinical treatment.

关键词： clinical marker serum cytokines vitiligo

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Emerging mechanisms and implications of c GAS-STING signaling in cancer immunotherapy strategies

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Cancer Biology & Medicine 2024年第1期21卷 45-64页

作者： Jiawen Zhang Sihui Yu Qiao Peng Ping Wang lan Fang Tongji University Cancer Center Shanghai Tenth People’s HospitalSchool of MedicineTongji UniversityShanghai 200072China Reproductive Medicine Center Department of Obstetrics and GynecologyShanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai 201620China Department of Obstetrics and Gynecology Zhongshan HospitalFudan UniversityShanghai 200032China

The intricate interplay between the human immune system and cancer development underscores the central role of immunotherapy in cancer treatment.Within this landscape,the innate immune system,a critical sentinel protecting against tumor incursion,is a key player.The cyclic GMP-AMP synthase(c GAS)and stimulator of interferon genes(STING)pathway has been found to be a linchpin of innate immunity:activation of this signaling pathway orchestrates the production of type I interferon(IFN-α/β),thus fostering the maturation,differentiation,and mobilization of immune effectors in the tumor microenvironment.Furthermore,STING activation facilitates the release and presentation of tumor antigens,and therefore is an attractive target for cancer immunotherapy.Current strategies to activate the STING pathway,including use of pharmacological agonists,have made substantial advancements,particularly when combined with immune checkpoint inhibitors.These approaches have shown promise in preclinical and clinical settings,by enhancing patient survival rates.This review describes the evolving understanding of the c GAS-STING pathway's involvement in tumor biology and therapy.Moreover,this review explores classical and non-classical STING agonists,providing insights into their mechanisms of action and potential for optimizing immunotherapy strategies.Despite challenges and complexities,the c GAS-STING pathway,a promising avenue for enhancing cancer treatment efficacy,has the potential to revolutionize patient outcomes.

关键词： cGAS-STING pathway type I interferon cyclic dinucleotide STING agonist cancer immunotherapy

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G protein-coupled receptors(GPCRs):advances in structures,mechanisms,and drug discovery

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Signal Transduction and Targeted Therapy 2024年第5期9卷 1938-1980页

作者： Mingyang Zhang Ting Chen Xun Lu Xiaobing lan Ziqiang Chen Shaoyong Lu Key Laboratory of Protection Development and Utilization of Medicinal Resources in Liupanshan AreaMinistry of EducationPeptide&Protein Drug Research CenterSchool of PharmacyNingxia Medical UniversityYinchuan 750004China Medicinal Chemistry and Bioinformatics Center Shanghai Jiao Tong University School of MedicineShanghai 200025China Department of Cardiology Changzheng HospitalAffiliated to Naval Medical UniversityShanghai 200003China Department of Orthopedics Changhai HospitalAffiliated to Naval Medical UniversityShanghai 200433China

G protein-coupled receptors(GPCRs),the largest family of human membrane proteins and an important class of drug targets,play a role in maintaining numerous physiological processes.Agonist or antagonist,orthosteric effects or allosteric effects,and biased signaling or balanced signaling,characterize the complexity of GPCR dynamic features.In this study,we first review the structural advancements,activation mechanisms,and functional diversity of GPCRs.We then focus on GPCR drug discovery by revealing the detailed drug-target interactions and the underlying mechanisms of orthosteric drugs approved by the US Food and Drug Administration in the past five years.Particularly,an up-to-date analysis is performed on available GPCR structures complexed with synthetic small-molecule allosteric modulators to elucidate key receptor-ligand interactions and allosteric mechanisms.Finally,we highlight how the widespread GPCR-druggable allosteric sites can guide structure-or mechanism-based drug design and propose prospects of designing bitopic ligands for the future therapeutic potential of targeting this receptor family.

关键词： steric designing mechanisms

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Risk factors for renal outcomes in children with antineutrophil cytoplasmic antibody-associated vasculitis:a nationwide retrospective study in China

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World Journal of Pediatrics 2024年第5期20卷 506-516页

作者： Li-Wen Tan Jun-Li Wan Chun-Hua Zhu Hong Xu Zheng-Kun Xia Li-Zhi Chen Xiao-Chuan Wu Fang Wang Xiao-Rong Liu Cheng-Guang Zhao Xiao-Zhong Li Jian-Hua Mao Xiao-Wen Wang Wen-Yan Huang Yu-Hong Li Jian-Jiang Zhang Shi-Pin Feng Jun Yang jiao-jiao Liu Chun-Lin Gao Li-Ping Rong lan-Jun Shuai Ke Xu He-Jia Zhang Qiu Li Ai-Hua Zhang Mo Wang Department of Nephrology Children’s Hospital of Chongqing Medical UniversityZhongshan 2nd Rd.136Chongqing400014China Ministry of Education Key Laboratory of Child Development and Disorders National Clinical Research Center for Child Health and DisordersChina International Science and Technology Cooperation Base of Child Development and Critical DisordersChildren’s Hospital of Chongqing Medical UniversityChongqingChina Chongqing Key Laboratory of Pediatrics Children’s Hospital of Chongqing Medical UniversityChongqingChina Department of Nephrology Children’s Hospital of Nanjing Medical University72 Guangzhou RoadNanjing210008China Department of Nephrology Children’s Hospital of Fudan UniversityNational Paediatric Medical Center of ChinaShanghaiChina Department of Pediatrics Jinling HospitalNanjing Medical UniversityNanjingChina Department of Pediatrics Jinling HospitalThe First School of Clinical MedicineSouthern Medical UniversityNanjingChina Department of Pediatrics Jinling HospitalMedical School of Nanjing UniversityNanjingChina Department of Pediatric Nephrology and Rheumatology The First Affiliated Hospital of Sun Yat-Sen UniversityGuangzhouChina Department of Pediatrics The Second Xiangya Hospital of Central South UniversityChangshaChina Department of Pediatrics Peking University First HospitalBeijingChina Department of Nephrology Beijing Children’s HospitalCapital Medical UniversityBeijing100045China National Center for Children’s Health BeijingChina Department of Pediatrics Shengjing Hospital of China Medical UniversityShenyangChina Department of Nephrology and Immunology Children’s Hospital of Soochow UniversitySuzhouChina Department of Nephrology Children HospitalZhejiang University School of MedicineHangzhouChina Department of Nephrology Wuhan Children’s Hospital(Wuhan Maternal and Child Healthcare Hospital)Tongji Medical CollegeHuazhong University of Science&TechnologyWuhanChina Department of Nephrology and Rheumatology Shanghai Children’s HospitalSchool

Background Pediatric antineutrophil cytoplasmic antibody-associated vasculitis(AAV)is a life-threatening systemic vasculitis featured by liability to renal involvement.However,there are few studies on the risk factors and predictive models for renal outcomes of AAV in children.Methods Data from 179 AAV children in multiple centers between January 2012 and March 2020 were collected retrospectively.The risk factors and predictive model of end-stage renal disease(ESRD)in AAV were explored.Results Renal involvement was the most typical manifestation(95.5%),and the crescent was the predominant pathological lesion(84.9%).The estimated glomerular filtration rate(eGFR)was evaluated in 114 patients,of whom 59.6%developed ESRD,and the median time to ESRD was 3.20 months.The eGFR[P=0.006,odds ratio(OR)=0.955,95%confidence interval(CI)=0.924–0.987]and the percentages of global glomerulosclerosis(pGGS;P=0.018,OR=1.060,95%CI=1.010–1.112)were independent risk factors for ESRD of renal biopsy.Based on the pGGS and eGFR at renal biopsy,we developed three risk grades of ESRD and one predictive model.The Kaplan‒Meier curve indicated that renal outcomes were significantly different in different risk grades(P<0.001).Compared with serum creatinine at baseline,the predictive model had higher accuracy(0.86 versus 0.58,P<0.001)and a lower coefficient of variation(0.07 versus 0.92)in external validation.Conclusions Renal involvement is the most common manifestation of pediatric AAV in China,of which more than half deteriorates into ESRD.The predictive model based on eGFR at renal biopsy and the pGGS may be stable and accurate in speculating the risk of ESRD in AAV children.

关键词： Antineutrophil cytoplasmic antibody End-stage renal disease Glomerulonephritis Pediatric nephrology Vasculitis

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Allosteric modulation of G protein-coupled receptors as a novel therapeutic strategy in neuropathic pain

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Acta Pharmaceutica Sinica B 2024年第1期14卷 67-86页

作者： Chunhao Zhu Xiaobing lan Zhiqiang Wei Jianqiang Yu Jian Zhang School of Pharmacy Ningxia Medical UniversityYinchuan 750004China Medicinal Chemistry and Bioinformatics Center Shanghai Jiao Tong University School of MedicineShanghai 200025China School of Basic Medical Science Ningxia Medical UniversityYinchuan 750004China Medicinal Chemistry and Bioinformatics Center Ocean University of ChinaQingdao 266100China State Key Laboratory of Pharmaceutical Biotechnology Nanjing UniversityNanjing 210023China

Neuropathic pain is a debilitating pathological condition that presents significant therapeutic challenges in clinical practice.Unfortunately,current pharmacological treatments for neuropathic pain lack clinical efficacy and often lead to harmful adverse reactions.As G protein-coupled receptors(GPCRs)are widely distributed throughout the body,including the pain transmission pathway and descending inhibition pathway,the development of novel neuropathic pain treatments based on GPCRs allosteric modulation theory is gaining momentum.Extensive research has shown that allosteric modulators targeting GPCRs on the pain pathway can effectively alleviate symptoms of neuropathic pain while reducing or eliminating adverse effects.This review aims to provide a comprehensive summary of the progress made in GPCRs allosteric modulators in the treatment of neuropathic pain,and discuss the potential benefits and adverse factors of this treatment.We will also concentrate on the development of biased agonists of GPCRs,and based on important examples of biased agonist development in recent years,we will describe universal strategies for designing structure-based biased agonists.It is foreseeable that,with the continuous improvement of GPCRs allosteric modulation and biased agonist theory,effective GPCRs allosteric drugs will eventually be available for the treatment of neuropathic pain with acceptable safety.

关键词： Neuropathic pain Allosteric modulators G protein-coupled receptors Analgesia

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ZBTB7A governs 2-DG-inhibited glycolysis by regulating GLUT1 in nasopharyngeal carcinoma

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BIOCELL 2022年第12期46卷 2659-2669页

作者： FEI LIU JIAZHANG WEI jiao lan YONGLI WANG JIANXIANG YE CHENG SU MINGZHENG MO FENGZHU TANG BING LI MIN LI WEIMING DENG LINSONG YE WENLIN HUANG JINGJIN WENG WEI jiao SHENHONG QU Research Center of Medical Sciences The People’s Hospital of Guangxi Zhuang Autonomous RegionGuangxi Academy of Medical SciencesNanning530021China Department of Otolaryngology&Head and Neck The People’s Hospital of Guangxi Autonomous RegionGuangxi Academy of Medical SciencesNanning530021China Department of Medical Oncology Guangxi Medical University Cancer HospitalNanning530021China

Our previous studies suggested a potential interaction between the POK erythroid myeloid ontogenic factor ZBTB7A and glucose transporter 1(GLUT1)in nasopharyngeal carcinoma(NPC).This study was designed to confirm the interaction and further evaluate the precise mechanism by which ZBTB7A and GLUT1 regulate NPC development.The binding sites between ZBTB7A and the promoter of GLUT1 were predicted by bioinformatics.Gene expression was measured by quantitative real-time polymerase chain reaction(qPCR),western blotting,and immunohistochemistry.The activities of key glycolysis enzymes,including hexokinase(HK),pyruvate kinase(PK),lactate dehydrogenase(LDH),and lactate,were detected using specific enzyme-linked immunosorbent assay kits.The connection between ZBTB7A and GLUT1 was analyzed by dual-luciferase reporter assay and chromatin immunoprecipitation-qPCR.The vitality,proliferation,and tumorigenicity of the cells expressing different levels of ZBTB7A were tested by adding the glycolysis inhibitor 2-deoxy-D-glucose(2-DG),followed by MTT,colorimetric focus forming,and xenograft assays,respectively.Our results showed that high expression of GLUT1 was associated with late-stage NPC.After constructing stably transfected cells with lentiviruses,ZBTB7A was effectively knocked down in 5-8F cells(RNAi-5-8F)and overexpressed in 6-10B cells(ZBTB7A-6-10B).The up-or downregulation of GLUT1 secondary to ZBTB7A changes was also limited.The vitality and proliferation of the cells expressing low ZBTB7A were notably blocked by 2-DG.The cells expressing high ZBTB7A were not very sensitive to 2-DG.The growth of RNAi-5-8F xenografts was strongly suppressed by 2-DG.The activities of HK,PK,and LDH were suppressed by 2-DG in the cells expressing low ZBTB7A.RNAi-5-8F cells had the lowest 2-DG-induced lactate production.ZBTB7A directly suppressed the promoter region of GLUT1 to regulate GLUT1 expression.Thus,ZBTB7A controls the 2-DG-induced inhibition of glycolysis by affecting GLUT1.

关键词： Nasopharyngeal carcinoma ZBTB7A GLUT1 Glycolysis 2-DG

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Self-standing 3D nanoporous Ag_(2)Al with abundant surface oxygen species facilitating oxygen electroreduction for efficient hybrid Zn battery

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Journal of Energy Chemistry 2021年第7期30卷 345-354页

作者： Ming Peng Yang Zhao jiao lan Yijin Qiao Yongwen Tan College of Materials Science and Engineering Hunan UniversityChangsha 410082HunanChina

The hybrid battery integrating a typical Zn redox battery and a Zn-air battery is a promising green technology for energy storage,and the cathode integrating the redox reaction and electrocatalytic oxygen reduction is a key point for efficient electrochemical energy conversion.Herein,we report a scalable strategy to fabricate nanoporous Ag2 Al internetallic compound as a self-standing cathode for the hybrid Zn battery.The abundant surface oxygen species,the Ag-Al intermetallic interaction and the npAg_(2)Al@AgAlOx interface cooperatively contributed to the catalytic ORR activity.The electrode endows efficient catalytic oxygen reduction(a Tafel slope of 38.0 mV/dec and an onset potential of 0.998 V)and regulated redox activity as compared with Ag.The nanoporous channels allow efficient ion transport,interface charge exchange and gas molecular diffusion.Significantly,the assembled hybrid Zn-Ag_(2) Al/air battery delivers a high capacity of 3.23 mAh/cm^(2) as compared with recent reports.As far as we know,this is the first exploration for the electrochemical property of Ag2 Al,and it would inspire more exploration in developing multifunctional materials and robust hybrid batteries for practical applications.

关键词： Nanoporous metal Ag_(2)Al Oxygen reduction Intermetallic interaction Hybrid battery

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