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Circulating biomarker-and magnetic resonance-based nomogram predicting long-term outcomes in dilated cardiomyopathy

Chinese Medical Journal 2024年第1期137卷 73-81页

作者： Yupeng Liu Wenyao Wang Jingjing Song Jiancheng Wang Yi Fu Yida Tang department of Cardiology Guangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhou 510080China Guangdong cardiovascular Institute Guangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhou 510080China department of Cardiology Institute of Vascular MedicinePeking University Third HospitalBeijing 100191China department of Cardiology State Key Laboratory of Cardiovascular DiseaseFuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100037China Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems State Key Laboratory of Natural and Biomimetic DrugsSchool of Pharmaceutical SciencesPeking UniversityBeijing 100083China department of Physiology and Pathophysiology School of Basic Medical SciencesPeking University Health Science CenterBeijing 100083China Key Laboratory of Molecular cardiovascular Science Ministry of EducationBeijing 100191China

Background:Dilated cardiomyopathy(DCM)has a high mortality rate and is the most common indication for heart *** study sought to develop a multiparametric nomogram to assess individualized all-cause mortality or heart transplantation(ACM/HTx)risk in DCM ***:The present study is a retrospective cohort *** demographic,clinical,blood test,and cardiac magnetic resonance imaging(CMRI)data of DCM patients in the tertiary center(Fuwai Hospital)were *** primary endpoint was ACM/*** least absolute shrinkage and selection operator(LASSO)Cox regression model was applied for variable *** Cox regression was used to develop a *** concordance index(C-index),area under the receiver operating characteristic curve(AUC),calibration curve,and decision curve analysis(DCA)were used to evaluate the performance of the ***:A total of 218 patients were included in the present *** were randomly divided into a training cohort and a validation *** nomogram was established based on eight variables,including mid-wall late gadolinium enhancement,systolic blood pressure,diastolic blood pressure,left ventricular ejection fraction,left ventricular end-diastolic diameter,left ventricular end-diastolic volume index,free triiodothyronine,and N-terminal pro-B type natriuretic *** AUCs regarding 1-year,3-year,and 5-year ACM/HTx events were 0.859,0.831,and 0.840 in the training cohort and 0.770,0.789,and 0.819 in the validation cohort,*** calibration curve and DCA showed good accuracy and clinical utility of the ***:We established and validated a circulating biomarker-and CMRI-based nomogram that could provide a personalized prediction of ACM/HTx for DCM patients,which might help risk stratification and decision-making in clinical practice.

关键词： Cardiomyopathy,dilated Heart transplantation Mortality Nomograms Least absolute shrinkage and selection operator Decision curve analysis

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Targeted axillary dissection after neoadjuvant chemotherapy for highly selective patients with initial cN1 breast cancer:A single-center prospective trial

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Chinese Medical Journal 2024年第12期137卷 1421-1430页

作者： Xiuchun Chen Zhenduo Lu Chengzheng Wang Minhao Lyu Jianghua Qiao Xianfu Sun Lianfang Li Chongjian Zhang Zhenzhen Liu department of Breast disease The Affiliated Cancer Hospital of Zhengzhou University&Henan Cancer HospitalZhengzhouHenan 450008China

Background:Sentinel lymph node(SLN)biopsy is gradually accepted as the standard of care in breast cancer patients with down-staged axillary disease after neoadjuvant chemotherapy(NAC).However,it is still difficult to precisely define pre-NAC clinical node-positive(cN1)and post-NAC clinical node-negative(ycN0).This prospective single-center trial was designed to evaluate the feasibility and accuracy of standard targeted axillary dissection(TAD)after NAC in highly selective pre-NAC cN1 patients(not considering ultrasound-based axillary ycN staging).Methods:This prospective trial included patients with initial pre-NAC cT1-3N1M0 invasive breast cancer but with a rigorous definition of cN1 from the Affiliated Cancer Hospital of Zhengzhou *** NAC was effective(including complete and partial responses)and preoperative axillary palpation was negative,preoperative ultrasound-based axillary staging was not considered,and all patients underwent TAD followed by axillary lymph node(LN)*** detection rate(DR)and false-negative rate(FNR)of TAD were ***:A total of 82 patients were included,and 77 of them were eligible for data *** DR for TAD was 94.8%(73/77).There were 26 patients with one abnormal LN at the time of diagnosis based on ultrasound,45 patients with two,and 2 patients with *** patient had one TAD LN,four patients had two TAD LNs,and 68 patients had three or more TAD *** axillary palpation yielded negative results for all 73 patients who successfully underwent *** ultrasound-based ycN0 and ycN+conditions were detected for 52 and 21 cases,*** FNR was 7.4%(2/27)for standard TAD(≥3 SLNs),which was lower than that of all successful TAD(≥1 SLN;10.0%,3/30).Conclusions:In rigorously defined pre-NAC cN1 breast cancer patients,standard TAD is feasible for those with negative axillary palpation after NAC,and FNR is also less than 10%.Registration:***,ChiCTR2100049093.

关键词： Breast cancer Sentinel lymph node biopsy Neoadjuvant chemotherapy Targeted axillary dissection Clip-marked lymph node

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Bile acids,gut microbiota,and therapeutic insights in hepatocellular carcinoma

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Cancer Biology & Medicine 2024年第2期21卷 144-162页

作者： Yang Song Harry CH Lau Xiang Zhang Jun Yu Institute of Digestive disease and department of Medicine and Therapeutics State Key Laboratory of Digestive DiseaseLi Ka Shing Institute of Health SciencesCUHK Shenzhen Research InstituteThe Chinese University of Hong KongHong KongChina department of Gastroenterology Zhongshan Hospital Xiamen UniversityXiamen 361004China

Hepatocellular carcinoma(HCC)is a prevalent and aggressive liver *** interplay between bile acids(BAs)and the gut microbiota has emerged as a critical factor in HCC development and *** normal conditions,BA metabolism is tightly regulated through a bidirectional interplay between gut microorganisms and *** gut microbiota plays a critical role in BA metabolism,and BAs are endogenous signaling molecules that help maintain liver and intestinal *** note,dysbiotic changes in the gut microbiota during pathogenesis and cancer development can disrupt BA homeostasis,thereby leading to liver inflammation and fibrosis,and ultimately contributing to HCC ***,understanding the intricate interplay between BAs and the gut microbiota is crucial for elucidating the mechanisms underlying *** this review,we comprehensively explore the roles and functions of BA metabolism,with a focus on the interactions between BAs and gut microorganisms in ***,therapeutic strategies targeting BA metabolism and the gut microbiota are discussed,including the use of BA agonists/antagonists,probiotic/prebiotic and dietary interventions,fecal microbiota transplantation,and engineered *** summary,understanding the complex BA-microbiota crosstalk can provide valuable insights into HCC development and facilitate the development of innovative therapeutic approaches for liver malignancy.

关键词： Bile acid gut microbiota hepatocellular carcinoma therapeutics microbiota modulation

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Thirty-day Outcomes of First-in-man Implantation of a Novel Transcatheter Edge-to-edge Mitral Repair System in Patients With Severe Mitral Regurgitation

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Cardiology Discovery 2024年第2期4卷 142-147页

作者： Kai Xu Yan Wang Shaoliang Chen Xiangbin Pan Ben He Ruiyan Zhang Bin Wang Junjie Zhang Zhengbin Zhu Bin Wang Da Zhu Yaling Han department of Cardiology General Hospital of Northern Theater CommandShenyangLiaoning 110016China department of Cardiology Xiamen Cardiovascular Hospital Xiamen UniversityXiamenFujan 361102China department of Cardiology Nanjing First HospitalNanjingJiangsu 210006China department of Structure Heart disease Fuwai Yunnan Cardiovascular HospitalKunmingYunnan 650102China department of Cardiology Shanghai Chest HospitalShanghai 200030China department of Cardiology Rujin Hospital Shanghai Jiaotong University School of MedicineShanghai 200025China

Objectives:The aim of this multicenter,prospective,single-arm pilot study(*** number:NCT05040074)was to observe the procedural and 30-day results of the novel transcatheter mitral valve repair system,SQ-Kyrin■-M Clip(Shenqi Medical,Shanghai,China),in patients with severe mitral regurgitation(MR).Methods:The heart team considered patients from 5 centers in China with clinically significant functional mitral regurgitation≥3+despite optimal medical therapy or degenerative mitral regurgitation≥3+with high surgical risk as candidates for transcatheter *** patients received transcatheter edge-to-edge mitral valve repair under general *** primary outcome was technical success,which included all of the following measured at the exit from the catheterization laboratory:(1)absence of procedural mortality;(2)successful access,delivery,and retrieval of the device delivery system;(3)successful deployment and correct positioning of the frst intended device;and(4)no emergency surgery or reintervention related to the device or access *** secondary outcomes included all-cause mortality,serious adverse events,device success,and procedural success 30 d after the ***:From June 2021 to December 2021,18 patients were enrolled in this study with age(75.7±7.4)*** patients had MR 4+,while 3 had MR 3+.Technical success was achieved in all patients,including 6 degenerative mitral regurgitation and 12 functional mitral regurgitation *** was no all-cause mortality at 30 *** patient had single leaflet device attachment within 30 d,which was regarded as a serious adverse event,and the patient was successfully treated with reintervention by implanting another *** patient's transmitral gradient was 6 mmHg(>5 mmHg),with an effective orifice area of 2.57 cm^(2) after the *** patients had device success and procedural success at 30 d *** patients had MR 1+,3 had MR 2+,and only 1

关键词： Heart failure Mitral regurgitation Transcatheter mitral valve repair Transcatheter edge-to-edge repair

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Development of a High-throughput Sequencing Platform for Detection of Viral Encephalitis Pathogens Based on Amplicon Sequencing

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Biomedical and Environmental Sciences 2024年第3期37卷 294-302页

作者： ZHANG Ya Li SU Wen Zhe WANG Rui Chen LI Yan ZHANG Jun Feng LIU Sheng Hui HU Dan He XU Chong Xiao YIN Jia Yu YIN Qi Kai HE Ying LI Fan FU Shi Hong NIE Kai LIANG Guo Dong TAO Yong XU Song Tao MA Chao Feng WANG Huan Yu Shaanxi University of Chinese Medicine Xianyang 712000ShaanxiChina National Key Laboratory of Intelligent Tracking and Forecasting for Infectious diseases National Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China Guangzhou Center for disease Control and Prevention Guangzhou 510000GuangdongChina Shandong Center for disease Control and Prevention Jinan 250000ShandongChina department of Ophthalmology Beijing Chaoyang HospitalCapital Medical UniversityBeijing 100020China Xi'an Center for disease Control and Prevention Xi’an 710054ShaanxiChina

Objective Viral encephalitis is an infectious disease severely affecting human *** is caused by a wide variety of viral pathogens,including herpes viruses,flaviviruses,enteroviruses,and other *** laboratory diagnosis of viral encephalitis is a worldwide ***,high-throughput sequencing technology has provided new tools for diagnosing central nervous system ***,In this study,we established a multipathogen detection platform for viral encephalitis based on amplicon *** We designed nine pairs of specific polymerase chain reaction(PCR)primers for the 12 viruses by reviewing the relevant *** detection ability of the primers was verified by software simulation and the detection of known positive *** sequencing was used to validate the samples,and consistency was compared with Sanger *** The results showed that the target sequences of various pathogens were obtained at a coverage depth level greater than 20×,and the sequence lengths were consistent with the sizes of the predicted *** sequences were verified using the National Center for Biotechnology Information BLAST,and all results were consistent with the results of Sanger *** Amplicon-based high-throughput sequencing technology is feasible as a supplementary method for the pathogenic detection of viral *** is also a useful tool for the high-volume screening of clinical samples.

关键词： Viral encephalitis Amplicon sequencing High-throughput sequencing Multipathogen detection

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m^(6)A reader YTHDF1 promotes cardiac fibrosis by enhancing AXL translation

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Frontiers of Medicine 2024年第3期18卷 499-515页

作者： Han Wu Weitao Jiang Ping Pang Wei Si Xue Kong Xinyue Zhang Yuting Xiong Chunlei Wang Feng Zhang Jinglun Song Yang Yang Linghua Zeng Kuiwu Liu Yingqiong Jia Zhuo Wang Jiaming Ju Hongtao Diao Yu Bian Baofeng Yang department of Pharmacology(National Key Laboratory of Frigid Zone cardiovascular diseases the State-Province Key Laboratories of Biomedicine-Pharmaceutics of ChinaKey Laboratory of Cardiovascular ResearchMinistry of Education)College of PharmacyHarbin Medical UniversityHarbin150081China

Cardiac fibrosis caused by ventricular remodeling and dysfunction such as post-myocardial infarction(MI)can lead to heart *** N6-methyladenosine(m^(6)A)methylation has been shown to play a pivotal role in the occurrence and development of many *** investigating the biological function of the m^(6)A reader YTHDF1 in cardiac fibrosis,adeno-associated virus 9 was used to knock down or overexpress the YTHDF1 gene in mouse hearts,and MI surgery in vivo and transforming growth factor-β(TGF-β)-activated cardiac fibroblasts in vitro were performed to establish fibrosis *** results demonstrated that silencing YTHDF1 in mouse hearts can significantly restore impaired cardiac function and attenuate myocardial fibrosis,whereas YTHDF1 overexpression could further enhance cardiac dysfunction and aggravate the occurrence of ventricular pathological remodeling and fibrotic ***,zinc finger BED-type containing 6 mediated the transcriptional function of the YTHDF1 gene ***1 augmented AXL translation and activated the TGF-β-Smad2/3 signaling pathway,thereby aggravating the occurrence and development of cardiac dysfunction and myocardial ***,our data indicated that YTHDF1 was involved in activation,proliferation,and migration to participate in cardiac fibrosis in *** results revealed that YTHDF1 could serve as a potential therapeutic target for myocardial fibrosis.

关键词： cardiac fibrosis YTHDF1 AXL ZBED6 heart failure

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Molecular mechanisms underlying microglial sensing and phagocytosis in synaptic pruning

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Neural Regeneration Research 2024年第6期19卷 1284-1290页

作者： Anran Huo Jiali Wang Qi Li Mengqi Li Yuwan Qi Qiao Yin Weifeng Luo Jijun Shi Qifei Cong Clinical Research Center of Neurological disease The Second Affiliated Hospital of Soochow UniversityInstitute of Neuroscience and Jiangsu Key Laboratory of Neuropsychiatric Diseases Soochow University department of Neurology and Clinical Research Center of Neurological disease The Second Affiliated Hospital of Soochow University

Microglia are the main non-neuronal cells in the central nervous system that have important roles in brain development and functional connectivity of neural circuits. In brain physiology, highly dynamic microglial processes are facilitated to sense the surrounding environment and stimuli. Once the brain switches its functional states, microglia are recruited to specific sites to exert their immune functions, including the release of cytokines and phagocytosis of cellular debris. The crosstalk of microglia between neurons, neural stem cells, endothelial cells, oligodendrocytes, and astrocytes contributes to their functions in synapse pruning, neurogenesis, vascularization, myelination, and blood-brain barrier permeability. In this review, we highlight the neuron-derived “find-me,” “eat-me,” and “don’t eat-me” molecular signals that drive microglia in response to changes in neuronal activity for synapse refinement during brain development. This review reveals the molecular mechanism of neuron-microglia interaction in synaptic pruning and presents novel ideas for the synaptic pruning of microglia in disease, thereby providing important clues for discovery of target drugs and development of nervous system disease treatment methods targeting synaptic dysfunction.

关键词： complement immune signals microglia molecular signal synapse elimination synapse formation synapse refinement synaptic pruning

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The prognostic value of collateral circulation in coronary chronic total occlusion underwent percutaneous coronary intervention

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Journal of Geriatric Cardiology 2024年第2期21卷 232-241页

作者： Xiao-Ying HU Wei-Xian YANG Chang-Dong GUAN Li-Hua XIE Ke-Fei DOU Yong-Jian WU Jin-Qing YUAN Jie QIAN Yue-Jin YANG Shu-Bin QIAO Lei SONG department of Cardiology Fuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina National Clinical Research Center for cardiovascular diseases BeijingChina Catheterization Laboratories Fuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

BACKGROUND The prognostic value of coronary collateral circulation(CC)in patients undergoing chronic total occlusion(CTO)percutaneous coronary intervention(PCI)is *** purpose of the study was to assess the prognostic value of current two CC grading systems and their association with long-term outcomes in patients with CTO underwent *** We consecutively enrolled patients with single-vessel CTO underwent PCI between January 2010 and *** patients were categorized into well-developed or poor-developed collaterals group according to angiographic Werner's CC(grade 2 *** 0–1)or Rentrop(grade 3 *** 0–2)grading *** primary endpoint was 5-year cardiac *** Of 2452 enrolled patients,the overall technical success rate was 74.1%.Well-developed collaterals were present in686 patients(28.0%)defined by Werner's CC grade 2,and in 1145 patients(46.7%)by Rentrop grade *** to Werner's CC grading system,patients with well-developed collaterals had a lower rate of 5-year cardiac death compared with those with poordeveloped collaterals(1.6%vs.3.3%,P=0.02),those with suboptimal recanalization was associated with higher rate of 5-year cardiac death compared with optimal recanalization(4.7%vs.0.8%,P=0.01)and failure patients(4.7%vs.1.6%,P=0.12).However,the similar effect was not shown in Rentrop grading *** In patients with the single-vessel CTO underwent PCI,well-developed collaterals by Werner's CC definition were associated with lower rate of 5-year cardiac ***'s CC grading system had a greater prognostic value than Rentrop grading system in patients with CTO underwent PCI.

关键词： coronary collateral occlusion

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Establishment of acquired tracheoesophageal fistula using a modified magnetic compression technique in rabbits and its postmodeling evaluation

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World Journal of Gastrointestinal Surgery 2024年第5期16卷 1385-1394页

作者： Han Meng Fu-Yao Nan Na Kou Qin-Yan Hong Ming-Sheng Lv Ju-Bo Li Bao-Jie Zhang Hang Zou Lei Li Hong-Wu Wang Respiratory disease Center Dongzhimen HospitalBeijing University of Chinese MedicineBeijing 100029China The First Clinical Medical College Beijing University of Chinese MedicineBeijing 100700China department of Animal Experimental Center National Center for CardiovascularFuwai HospitalBeijing 100037China

BACKGROUND Previous studies have validated the efficacy of both magnetic compression and surgical techniques in creating rabbit tracheoesophageal fistula(TEF)*** compression achieves a 100%success rate but requires more time,while surgery,though less frequently successful,offers rapid model establishment and technical maturity in larger animal *** To determine the optimal approach for rabbit disease modeling and refine the *** TEF models were created in 12 rabbits using both the modified magnetic compression technique and *** of the time to model establishment,success rate,food and water intake,weight changes,activity levels,bronchoscopy findings,white blood cell counts,and biopsies were *** response to the failures encountered during modified magnetic compression modeling,we increased the sample size to 15 rabbit models and assessed the repeatability and stability of the models,comparing them with the original magnetic compression *** The modified magnetic compression technique achieved a 66.7%success rate,whereas the success rate of the surgery technique was 33.3%.Surviving surgical rabbits might not meet subsequent experimental requirements due to TEF-related *** the modified magnetic compression group,one rabbit died,possibly due to magnet corrosion,and another died from tracheal magnet *** events occurred during the second round of modified magnetic compression modeling,with one rabbit possibly succumbing to aggravated lung *** operation time of the first round of modified magnetic compression was 3.2±0.6 min,which was significantly reduced to 2.1±0.4 min in the second round,compared to both the first round and that of the original *** The modified magnetic compression technique exhibits lower stress responses,a simple procedure,a high success rate,and lower modeling costs,making it a more appropriate choice for constructing TEF models in

关键词： Tracheoesophageal fistula Modified magnetic compression technique Post-modeling evaluation Pneumonia Malnutrition

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Prognostic value of cardiovascular magnetic resonance in immune checkpoint inhibitor-associated myocarditis:A systematic review and meta-analysis

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Cancer Innovation 2024年第3期3卷 22-32页

作者： Wenhua Song Nan Zhang Tonglian Lv Yang Zhao Guangping Li Gary Tse Tong Liu Tianjin Key Laboratory of Ionic-Molecular Function of cardiovascular disease Department of CardiologyTianjin Institute of CardiologySecond Hospital of Tianjin Medical UniversityTianjinChina department of Radiology Second Hospital of Tianjin Medical UniversityTianjinChina School of Nursing and Health Studies Hong Kong Metropolitan UniversityHong KongChina Cardiac Electrophysiology Unit Cardiovascular Analytics GroupPowerHealth LimitedHong KongChina

Background:The role of surgery in metastatic breast cancer(MBC)is currently *** novel statistical and deep learning(DL)methods promise to infer the suitability of surgery at the individual ***:The objective of this study was to identify the most applicable DL model for determining patients with MBC who could benefit from surgery and the type of surgery ***:We introduced the deep survival regression with mixture effects(DSME),a semi-parametric DL model integrating three causal inference *** models were trained to make individualized treatment *** who received treatments in line with the DL models'recommendations were compared with those who underwent treatments divergent from the *** probability weighting(IPW)was used to minimize *** effects of various features on surgery selection were visualized and quantified using multivariate linear regression and causal ***:In total,5269 female patients with MBC were *** was an independent protective factor,outperforming other models in recommend-ing surgery(IPW-adjusted hazard ratio[HR]=0.39,95%confidence interval[CI]:0.19–0.78)and type of surgery(IPW-adjusted HR=0.66,95%CI:0.48–0.93).DSME was superior to other models and traditional guidelines,suggesting a higher proportion of patients benefiting from surgery,especially breast-conserving *** debiased effect of patient characteristics,including age,tumor size,metastatic sites,lymph node status,and breast cancer subtypes,on surgery decision was also ***:Our findings suggested that DSME could effectively identify patients with MBC likely to benefit from surgery and the specific type of surgery *** method can facilitate the development of efficient,reliable treatment recommendation systems and provide quantifiable evidence for decision-making.

关键词： breast surgery causal inference deep learning metastatic breast cancer

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