97 results on '"Yuanfeng, Zhang"'
Search Results
2. Consistency and reproducibility of large panel next-generation sequencing: Multi-laboratory assessment of somatic mutation detection on reference materials with mismatch repair and proofreading deficiency
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Duo Wang, Yuanfeng Zhang, Rui li, Jinming Li, and Rui Zhang
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Multidisciplinary - Published
- 2023
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3. Influencing factors for mortality in prostate cancer patients with T1 and T2 stage: a retrospective cohort study
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Xuwei Hong, Sizhe Cao, Zepai Chi, Yuanfeng Zhang, Tianxin Lin, and Yonghai Zhang
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Reproductive Medicine ,Urology - Published
- 2023
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4. Recent Advancement of PD-L1 Detection Technologies and Clinical Applications in the Era of Precision Cancer Therapy
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Yuanfeng Zhang, Juanjuan Wu, Chaobin Zhao, Shuyuan Zhang, and Jianbo Zhu
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Oncology - Published
- 2023
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5. Magneto-Plasticity Behavior of Fe-3.2 wt.%Si Single Crystal under Transverse Static Magnetic Field
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Yuanfeng Zhang, Jun’an Wang, Mengli Li, Zhongming Ren, and Ying He
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Mechanics of Materials ,Mechanical Engineering ,General Materials Science - Published
- 2022
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6. Transcriptional features of acute leukemia with promyelocytic differentiation lacking retinoic acid receptor rearrangements
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Zhan Su, Xin Liu, Yuanfeng Zhang, Wei Wang, Xuerong Li, Jie Yu, Xinru Wang, and Jun Peng
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Hematology - Abstract
Not available.
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- 2023
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7. Limited non-linear impact of warm ischemia time on renal functional decline after partial nephrectomy: a propensity score-matched study
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Xudong Liu, Dachun Jin, Yuanfeng Zhang, and Sizhou Zhang
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Nephrology ,Urology - Published
- 2023
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8. Application Analysis of 5G Intelligent Communication Technologies in the Field of Sports Distance Education
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Yuanfeng Zhang and null Majed
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Education, Distance ,Article Subject ,General Computer Science ,Communication ,General Mathematics ,General Neuroscience ,Humans ,Neural Networks, Computer ,General Medicine ,Information Technology ,Sports - Abstract
China has entered a new fifth-generation (5G) technological period, college students are relatively fast to absorb new things, and conventional teaching methods are incapable of properly stimulating students’ interest in sporting activities. As a result, the 5G integrated teaching paradigm, which is based on communication technology, is an unavoidable reform of sports remote education. For a long time, technology and sports have been inextricably linked. However, new possibilities on the Internet are fast developing, resulting in massive volumes of data. In this paper, we propose a novel 5G framework for efficient sports distance education. Initially, the sports dataset is preprocessed using normalization, and the features are extracted using Principal Component Analysis (PCA). Following feature selection, a Hierarchical Multiscale Convolutional Neural Network (HM-CNN) is used to categorize and initialize the 5G utilizing the Enhanced Transfer Control Protocol (E-TCP) for efficient data transmission. The Elevated Ant Colony Optimization Algorithm improves the performance of the suggested system even more (EACO). The experimental results indicate that 5G integrated education reform based on communication technology may successfully enhance the number of college students’ sports population.
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- 2022
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9. Characterizing and identifying bedforms in the wandering reach of the lower Yellow River
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Ping Wang, Yuanfeng Zhang, and Guanqing Shen
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Echo sounding ,Bedform ,Stratigraphy ,Sediment ,Geology ,Bathymetry ,Alluvium ,Silt ,Water regulation ,Sediment concentration ,Geomorphology - Abstract
The lower Yellow River (LYR) is a fully alluvial system with a fine-grained bed that has a high proportion of silt. Bathymetric survey data collected with a Multi-Beam Echo Sounder (MBES) from the wandering reach of the LYR indicates that the bedforms are characterized by large aspect ratios (wavelength/height) and low lee-side angles. Since the Xiaolangdi Reservoir (XLD) has been operational in the middle reach of the Yellow River, bedforms have been dominated by two-scales of dunes, that is, a frame of compound dunes with first-order dunes superimposed on the stoss and lee sides, which disappear during high sediment concentration floods that occur during the annual sediment and water regulation. The bedform formation regime has changed with dune beds having more chances, and upper regime beds having less chances, to form. Longitudinal profile data measured using a sounding-rod before the XLD began filling demonstrate that the bedforms were mainly dunes during low flows (less than 1200 m3/s) or upper regime beds during high-flows (larger than 2000 m3/s). A discriminator is proposed to describe the conditions for bedform formation and to predict the alluvial resistance which gives better results than those from Manning approach. When a bedform system is almost at equilibrium, the changes in the sediment concentrations versus the discriminator can be defined into three segments in the LYR.
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- 2022
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10. Reflections on major epidemics in history reported by online English news media and literature: interaction between epidemics and social conditions
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Xiaorui Chen, Xinyu Wei, Yuanfeng Zhang, Ying Sun, Zihan Xu, Shuyuan Zhang, and Lin Li
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Public Health, Environmental and Occupational Health - Published
- 2023
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11. Haematopoietic stem cell transplantation for hepatitis‐associated aplastic anaemia and non‐hepatitis‐associated aplastic anaemia: A propensity score‐matched analysis
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Jia Li, Yan Wang, Yuanfeng Zhang, Xiaoyu Zhang, Aiming Pang, Donglin Yang, Xin Chen, Rongli Zhang, Jialin Wei, Qiaoling Ma, Weihua Zhai, Yi He, Yizhou Zheng, Erlie Jiang, Mingzhe Han, and Sizhou Feng
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Hematology - Published
- 2023
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12. The bibliometric analysis of studies on intracytoplasmic sperm injection from 2002 to 2021
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Xiaoli Shen, Tianbing Xiao, Wei Han, Hong Ye, Yuanfeng Zhang, and Guoning Huang
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Endocrinology, Diabetes and Metabolism - Abstract
BackgroundInfertility is estimated to occur in 1 out of every 4–7 couples. Intracytoplasmic sperm injection (ICSI), a type of assisted reproduction introduced in 1992, has been used across the world for almost all indications of infertility, yielding high pregnancy rates. There is a growing concern worldwide about ICSI since semen quality has declined in recent years, accompanied with the potential risks of this technology. This study aims to analyze the current status and hotspots of ICSI via a bibliometric analysis.MethodsWe retrieved publications on ICSI from the Web of Science Core Collection database from 2002 to 2021. CiteSpace was used to summarize knowledge mapping of subject categories, keywords, and co-citation relationships with the strongest citation bursts. VOSviewer was used to explore co-citation and co-occurrence relationships for countries, organizations, references, authors, and keywords.ResultsA total of 8271 publications were analyzed between 2002 and 2021. The major findings are as follows: the USA, China, Italy, Japan, and Belgium are the top five prolific countries. The Free University of Brussels, University of Copenhagen, University of Valencia, Ghent University, and the University of California San Francisco are the top five contributing organizations. Fertility and Sterility and Human Reproduction are the most productive and cited journals. The hotspot topics are risks of ICSI, oocyte preservation, live birth rate, infertile men, and embryo quality in the past two decades.ConclusionThis study presents a research overview of ICSI from different perspectives. These findings will contribute to a better understanding of the current status of ICSI research and provide hotspots and trends for future studies.
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- 2023
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13. Segawa syndrome caused by TH gene mutation and its mechanism
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Yilin Wang, Chunmei Wang, Meiyan Liu, Wuhen Xu, Simei Wang, Fang Yuan, Xiaona Luo, Quanmei Xu, Rongrong Yin, Anqi Wang, Miao Guo, Longlong Lin, Chao Wang, Hongyi Cheng, Zhiping Liu, Yuanfeng Zhang, Fanyi Zeng, Jingbin Yan, and Yucai Chen
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Genetics ,Molecular Medicine ,Genetics (clinical) - Abstract
Dopa-responsive dystonia (DRD), also known as Segawa syndrome, is a rare neurotransmitter disease. The decrease in dopamine caused by tyrosine hydroxylase (TH) gene mutation may lead to dystonia, tremor and severe encephalopathy in children. Although the disease caused by recessive genetic mutation of the tyrosine hydroxylase (TH) gene is rare, we found that the clinical manifestations of seven children with tyrosine hydroxylase gene mutations are similar to dopa-responsive dystonia. To explore the clinical manifestations and possible pathogenesis of the disease, we analyzed the clinical data of seven patients. Next-generation sequencing showed that the TH gene mutation in three children was a reported homozygous mutation (c.698G>A). At the same time, two new mutations of the TH gene were found in other children: c.316_317insCGT, and c.832G>A (p.Ala278Thr). We collected venous blood from four patients with Segawa syndrome and their parents for real-time quantitative polymerase chain reaction analysis of TH gene expression. We predicted the structure and function of proteins on the missense mutation iterative thread assembly refinement (I-TASSER) server and studied the conservation of protein mutation sites. Combined with molecular biology experiments and related literature analysis, the qPCR results of two patients showed that the expression of the TH gene was lower than that in 10 normal controls, and the expression of the TH gene of one mother was lower than the average expression level. We speculated that mutation in the TH gene may clinically manifest by affecting the production of dopamine and catecholamine downstream, which enriches the gene pool of Segawa syndrome. At the same time, the application of levodopa is helpful to the study, diagnosis and treatment of Segawa syndrome.
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- 2022
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14. Pan-cancer analysis based on epigenetic modification explains the value of HJURP in the tumor microenvironment
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Junwu Li, Jun Zheng, Ronggui Zhang, Weili Zhang, Junyong Zhang, and Yuanfeng Zhang
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DNA, Cruciform ,Multidisciplinary ,Neoplasms ,Tumor Microenvironment ,Humans ,RNA, Messenger ,Epigenesis, Genetic - Abstract
To analyze the expression levels, prognostic value and immune infiltration association of Holliday junction protein (HJURP) as well as its feasibility as a pan-cancer biomarker for different cancers. The Protter online tool was utilized to obtain the localization of HJURP, then the methylation of HJURP in tumors were further explored. Thereafter, the mRNA data and clinical characteristics of 33 tumor types from TCGA database were obtained to investigate the expression and prognostic relationship of HJURP in different tumor types. Finally, the composition pattern and immune infiltration of HJURP in different tumors were detected in Tumor Immune Estimation Resource. HJURP was abnormally expressed in most of the cancer types and subtypes in TCGA database. Also, it was associated with poor prognosis of different cohorts. At the same time, the results also showed that HJURP was related to tumor immune evasion through different mechanisms, including T cell rejection and methylation in different cancer types. Besides, the methylation of HJURP was inversely proportional to mRNA expression levels, which mediated the dysfunctional phenotypes of T cells and poor prognosis of different cancer types. Alternatively, our results indicated that HJURP expression was associated with immune cell infiltration in a variety of cancers. HJURP may serve as an oncogenic molecule, and its expression and immune infiltration characteristics can be used as a biomarker for cancer detection, prognosis, treatment design and follow-up.
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- 2022
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15. Association between trajectories of fasting plasma glucose and risk of osteoporosis in non-diabetic and diabetic populations
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Ping, Wang, Yuanfeng, Zhang, Ruiqi, Shan, Jing, Wu, Sailimai, Man, Yuhan, Deng, Jun, Lv, Xiaona, Wang, Jianchun, Yin, Yi, Ning, Bo, Wang, and Liming, Li
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Male ,Blood Glucose ,Incidence ,Diabetes Mellitus ,Public Health, Environmental and Occupational Health ,Humans ,Osteoporosis ,Female ,Fasting - Abstract
IntroductionPrevious studies based on a single measure of fasting plasma glucose (FPG) showed an inconsistent conclusion about the association between FPG and osteoporosis risk. Not accounting for time-varying and cumulative average of FPG over time could bias the true relation between FPG and osteoporosis. Our study aims to investigate the association between the trajectories of FPG and osteoporosis risk for non-diabetic and diabetic populations.MethodsA total of 18,313 participants who attended physical examinations during 2008–2018 were included. They were free of osteoporosis at their first physical examination and followed until their last physical examination before December 31, 2018. We recorded their incidence of osteoporosis and at least three FPG values during follow-up. Their longitudinal FPG trajectories were identified by the latent class growth analysis model based on the changes in FPG. Multivariable logistic regression models were used to analyze the association between the trajectories of FPG and osteoporosis diagnosed in the follow-up physical examination in both non-diabetics and diabetics.ResultsThere were 752 incident osteoporosis among 16,966 non-diabetic participants, and 57 incident osteoporosis among 1,347 diabetic participants. Among non-diabetics, the elevated-increasing FPG trajectory was negatively associated with osteoporosis risk in women (odds ratio (OR), 0.62; 95% confidence interval (CI), 0.43–0.88). Premenopausal women with elevated-increasing FPG trajectory had lower osteoporosis risk than those women with normal-stable FPG trajectory (OR, 0.41; 95% CI, 0.20–0.88), while this association was insignificant in postmenopausal women. Among diabetics, those whose longitudinal FPG is kept at a very high level had the highest risk of osteoporosis (OR, 3.09; 95% CI, 1.16–8.22), whereas those whose FPG starts with the high level and keeps on increasing did not exhibit a significantly increased risk (OR, 1.75; 95% CI, 0.81–3.76) compared with those who keep stable moderate-high level of FPG, except in men (OR, 2.49; 95% CI, 1.02–6.12).ConclusionDistinct trajectories of FPG are associated with differential risk of osteoporosis in non-diabetic and diabetic populations. Controlling a proper FPG level in different populations is necessary for osteoporosis prevention.
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- 2022
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16. One-Step Rapid and Sensitive ASFV p30 Antibody Detection via Nanoplasmonic Biosensors
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Ya Zhao, Rui Li, ChangJie Lv, Yuanfeng Zhang, Hanlin Zhou, Xiaohan Xia, Shiman Yu, Yongqi Wang, Liping Huang, Qiang Zhang, Gang L. Liu, and Meilin Jin
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Microbiology (medical) ,General Immunology and Microbiology ,Ecology ,Physiology ,Swine ,Sus scrofa ,Cell Biology ,Biosensing Techniques ,African Swine Fever Virus ,Infectious Diseases ,Genetics ,Animals ,African Swine Fever ,Nucleic Acid Amplification Techniques - Abstract
African swine fever (ASF) is one of the most serious transnational swine diseases in the world. The case fatality rate of susceptible pigs is up to 100%. Currently, no commercial vaccine is available, so the prevention and control of ASF mainly relies on early diagnosis and culling of infected pigs. As the ASF virus continues to evolve, develop, and diversify, nucleic acid testing becomes less efficient. Here, we developed a method for the rapid and direct optical measurement of African swine fever virus (ASFV) antibody
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- 2022
17. An Artificial Intelligence System for the Detection of Bladder Cancer via Cystoscopy: A Multicenter Diagnostic Study
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Jian Huang, Wen Dong, Zeshi Chen, Zhiwen Chen, Xuefan Yang, Baorui Yuan, Yonghai Zhang, Hongbing Mei, Jiexin Pan, Qiang Lv, Hao Chen, Xiayao Diao, Wenjian Liao, Tianxin Lin, Xiaozhou Zhou, Chenglong Wu, Rui-Yun Zhang, Haotian Lin, Shaoxu Wu, Yuanfeng Zhang, Haige Chen, Guang Qian, Xiong Chen, and Shizhong Xu
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Cancer Research ,medicine.medical_specialty ,Artificial Intelligence System ,Bladder cancer ,medicine.diagnostic_test ,Lesion detection ,business.industry ,Carcinoma in situ ,Cystoscopy ,medicine.disease ,Confidence interval ,Oncology ,Positive predicative value ,Medicine ,Radiology ,Internal validation ,business - Abstract
Background Cystoscopy plays an important role in bladder cancer (BCa) diagnosis and treatment, but its sensitivity needs improvement. Artificial intelligence has shown promise in endoscopy, but few cystoscopic applications have been reported. We report a Cystoscopy Artificial Intelligence Diagnostic System (CAIDS) for BCa diagnosis. Methods In total, 69 204 images from 10 729 consecutive patients from 6 hospitals were collected and divided into training, internal validation, and external validation sets. The CAIDS was built using a pyramid scene parsing network and transfer learning. A subset (n = 260) of the validation sets was used for a performance comparison between the CAIDS and urologists for complex lesion detection. The diagnostic accuracy, sensitivity, specificity, and positive and negative predictive values and 95% confidence intervals (CIs) were calculated using the Clopper-Pearson method. Results The diagnostic accuracies of the CAIDS were 0.977 (95% CI = 0.974 to 0.979) in the internal validation set and 0.990 (95% CI = 0.979 to 0.996), 0.982 (95% CI = 0.974 to 0.988), 0.978 (95% CI = 0.959 to 0.989), and 0.991 (95% CI = 0.987 to 0.994) in different external validation sets. In the CAIDS vs urologists’ comparisons, the CAIDS showed high accuracy and sensitivity (accuracy = 0.939, 95% CI = 0.902 to 0.964; sensitivity = 0.954, 95% CI = 0.902 to 0.983) with a short latency of 12 seconds, much more accurate and quicker than the expert urologists. Conclusions The CAIDS achieved accurate BCa detection with a short latency. The CAIDS may provide many clinical benefits, from increasing the diagnostic accuracy for BCa, even for commonly misdiagnosed cases such as flat cancerous tissue (carcinoma in situ), to reducing the operation time for cystoscopy.
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- 2021
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18. Investigation on switching capability of bridge structures within power electromagnetic relays
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Yinnan Zhang, Zhe Zheng, Wanbin Ren, and Yuanfeng Zhang
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- 2022
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19. P4HA3 Promotes Clear Cell Renal Cell Carcinoma Progression via the PI3K/AKT/GSK3β Pathway
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Zhechuan Zhang, Yuanfeng Zhang, and Ronggui Zhang
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Cancer Research ,Oncology ,Hematology ,General Medicine - Abstract
Purpose Clear cell renal cell carcinoma (ccRCC) is the most common subtype of renal cell carcinoma. P4HA3 is a key enzyme in collagen biosynthesis and has emerged as important molecules in regulation of proliferation, invasion, and metastasis in various tumor types. The role of P4HA3 in the development of ccRCC has remained to be elucidated. Methods Genes expression, prognostic, and enrichment analyses were carried out with bioinformatics analysis. The efficiency of P4HA3 knockdown was confirmed by real-time quantitative PCR and western blotting. The cellular functions were analyzed by CCK-8, EdU, wound healing, and transwell assays. The levels of related proteins expression were analyzed by western blotting. Results P4HA3 was highly expressed in ccRCC compared with normal tissue samples from the TCGA database. Kaplan-Meier curves results showed that the expression level of P4HA3 was significantly negatively correlated with overall survival of patients. P4HA3 expression knockdown inhibited the proliferation, migration, and invasion of ccRCC cells, as demonstrated by in vitro experiments. In addition, GSEA results revealed that P4HA3 may be related to EMT and involved in the PI3K-AKT-GSK3β pathway in ccRCC; this was tentatively confirmed through western blotting. Conclusion P4HA3 may induce ccRCC progression via the PI3K-AKT-GSK3β signaling pathway and could represent a potential therapeutic target.
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- 2022
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20. High CENPA expression in papillary renal cell carcinoma tissues is associated with poor prognosis
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Junwu Li, Qinke Li, Yang Yuan, Yiteng Xie, Yuanfeng Zhang, and Ronggui Zhang
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Reproductive Medicine ,Urology ,Biomarkers, Tumor ,Humans ,General Medicine ,Receptors, Cytokine ,Ligands ,Prognosis ,Carcinoma, Renal Cell ,Kidney Neoplasms ,Glycoproteins - Abstract
Objective This work focused on investigating the relation of centromeric protein A (CENPA) gene expression with prognosis of papillary renal cell carcinoma (PRCC). Methods We obtained data from PRCC cases in TCGA. Thereafter, CENPA levels between the paired PRCC and matched non-carcinoma samples were analyzed by Wilcoxon rank-sum test, while the relations of clinicopathological characteristics with CENPA level were examined by logistic regression and Wilcoxon rank-sum test. The prognostic value of CENPA was assessed by plotting the receiver operating feature curve (ROC) and calculating the value of area under curve (AUC). In addition, relations between clinicopathological characteristics and PRCC survival were analyzed through Kaplan–Meier (KM) and Cox regression analyses. After dividing the total number of patients into the trial cohort and the validation cohort in a ratio of 7:3, we constructed a nomogram in trial cohort according to multivariate Cox regression results for predicting how CENPA affected patient survival and used the calibration curve to verify its accuracy in both cohorts. We also determined CENPA levels within cancer and matched non-carcinoma samples through immunohistochemistry (IHC). Finally, we utilized functional enrichment for identifying key pathways related to differentially expressed genes (DEGs) between PRCC cases with CENPA up-regulation and down-regulation. Results CENPA expression enhanced in PRCC tissues compared with healthy counterparts (P P P = 0.001). In the meantime, univariate as well as multivariate analysis showed an independent association of CENPA with overall survival (OS, P Conclusion CENPA expression increases within PRCC samples, which predicts dismal PRCC survival. CENPA may become a molecular prognostic marker and therapeutic target for PRCC patients.
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- 2022
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21. The association between insomnia and the risk of metabolic syndrome: A systematic review and meta-analysis
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Juan Liu, Yazhen Liu, Yuanfeng Zhang, Xiaojiang Jiang, and Ying Lang
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medicine.medical_specialty ,03 medical and health sciences ,0302 clinical medicine ,Sleep Initiation and Maintenance Disorders ,Physiology (medical) ,Internal medicine ,Hyperlipidemia ,medicine ,Humans ,Metabolic Syndrome ,Sleep disorder ,business.industry ,General Medicine ,Odds ratio ,medicine.disease ,Obesity ,Confidence interval ,Neurology ,Hyperglycemia ,030220 oncology & carcinogenesis ,Meta-analysis ,Hypertension ,Surgery ,Observational study ,Neurology (clinical) ,Metabolic syndrome ,business ,030217 neurology & neurosurgery - Abstract
Objective The purpose of this study was to perform a systematic review and meta-analysis on the association between insomnia and the risk of developing into metabolic syndrome (including hypertension, hyperglycemia, hyperlipidemia and obesity). Method We conducted our research according to PRISMA (Preferred Reporting Items for Systematic Reviews and Meta Analyses). After the search term was determined, we searched Pubmed and Embase databases until December 1, 2020 for the observational studies. We used random effects models to aggregate risk estimates for individual studies and the odds ratio (OR) as well as 95% confidence intervals (CI) were calculated for pooled data. Heterogeneity in this study was assessed by using I2 statistic. Results 12 studies were eventually included in this meta-analysis which contained metabolic syndrome related symptoms (hypertension, hyperglycemia, hyperlipidemia and obesity). The combined OR value and 95% CI of the hypertension group was 1.41 (1.19–1.67). The hyperglycemia group was 1.29 (1.11–1.50). The hyperlipidemia group was 1.12 (0.92–1.37) and the obesity group was 1.31 (1.03–1.67). Conclusion The risk of insomnia patients suffering from hypertension, hyperglycemia, hyperlipidemia and obesity in metabolic syndrome was 1.41 times, 1.29 times and 1.31 times than people without insomnia respectively.
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- 2021
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22. Segawa syndrome caused by
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Yilin, Wang, Chunmei, Wang, Meiyan, Liu, Wuhen, Xu, Simei, Wang, Fang, Yuan, Xiaona, Luo, Quanmei, Xu, Rongrong, Yin, Anqi, Wang, Miao, Guo, Longlong, Lin, Chao, Wang, Hongyi, Cheng, Zhiping, Liu, Yuanfeng, Zhang, Fanyi, Zeng, Jingbin, Yan, and Yucai, Chen
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Dopa-responsive dystonia (DRD), also known as Segawa syndrome, is a rare neurotransmitter disease. The decrease in dopamine caused by tyrosine hydroxylase (
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- 2022
23. The prognostic impact of previously infectious complications on allogeneic hematopoietic stem cell transplantation for patients with severe aplastic anemia: A single-center, retrospective study
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Yuanfeng Zhang, Xin Chen, Donglin Yang, Aiming Pang, Rongli Zhang, Qiaoling Ma, Weihua Zhai, Yi He, Jialin Wei, Erlie Jiang, Mingzhe Han, and Sizhou Feng
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Treatment Outcome ,Immunology ,Hematopoietic Stem Cell Transplantation ,Immunology and Allergy ,Anemia, Aplastic ,Graft vs Host Disease ,Humans ,Prognosis ,Retrospective Studies - Abstract
Whether infections before transplantation impair the survival of patients with severe aplastic anemia (SAA) remains unclear. The aim of this retrospective cohort analysis was to compare survival between patients with SAA who underwent allogeneic hematopoietic stem cell transplantation (allo-HSCT) with infection (n=66) and patients without infection (n=189) from one medical center. There were no differences in baseline characteristics, except that more patients in the infection group were diagnosed with VSAA (59.09% vs. 30.69%, Pvs. 76.72%, P=0.042). In addition, the percentage of patients with multidrug-resistant organism colonization or infection in the infection group was larger (16.7% vs. 0.5%, PP=0.418), grades III–IV aGVHD (P=0.075), mild to severe chronic GVHD (cGVHD) (P=0.899), and moderate to severe cGVHD (P=0.342). Patients in the infection group had more bloodstream infections before engraftment (28.8% vs. 15.3%, P=0.016), and the primary cause of death was infection instead of aGVHD in contrast to patients without infection (16.7% vs. 4.2%, P=0.002). Finally, the estimated overall survival (OS), failure-free survival (FFS), and GVHD-free FFS at 5 years were 63% (95% CI, 51–78), 60% (95% CI, 47–74), and 55% (95% CI, 43–70) in patients with infection before transplantation versus 86% (95% CI, 81–92) (PPP=0.003) in patients without infection before transplantation, respectively. Multivariate analysis identified haploidentical HSCT and pre-HSCT anti-infection response, defined as partial remission (PR) or stable disease (SD), as adverse factors of OS and FFS. In conclusion, our study demonstrated that SAA patients with infection defined as PR or SD but not complete remission before allo-HSCT showed inferior survival compared with patients without infection. Therefore, more attention should be paid to prophylaxis and complete control of infectious complications before transplantation among SAA patients.
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- 2022
24. Clinical characteristics and genetics of ten Chinese children with PRRT2-associated neurological diseases
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Meiyan Liu, Xiaoang Sun, Longlong Lin, Xiaona Luo, Simei Wang, Chunmei Wang, Yuanfeng Zhang, Quanmei Xu, Wuhen Xu, Shengnan Wu, Xiaoping Lan, and Yucai Chen
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Pediatrics, Perinatology and Child Health - Abstract
BackgroundProline-rich transmembrane protein 2 (PRRT2) plays an important role in the central nervous system and mutations in the gene are implicated in a variety of neurological disorders. This study aimed to summarize the clinical characteristics and gene expression analysis of neurological diseases related to the PRRT2 gene and explore the clinical characteristics, therapeutic effects, and possible pathogenic mechanisms of related diseases.MethodsWe enrolled 10 children with PRRT2 mutation-related neurological diseases who visited the Children's Hospital affiliated with the Shanghai Jiaotong University School of Medicine/Shanghai Children's Hospital between May 2017 and February 2022. Video electroencephalography (VEEG), cranial imaging, treatment regimens, gene results, and gene expression were analyzed. Genetic testing involved targeted sequencing or whole-exome genome sequencing (WES). We further analyzed the expression and mutation conservation of PRRT2 and synaptosome-associated protein 25 (SNAP25) in blood samples using quantitative polymerase chain reaction (qPCR) and predicted the protein structure. Summary analysis of the reported gene maps and domains was also performed.ResultsTen children with PRRT2 gene mutations were analyzed, and 4 mutations were identified, consisting of 2 new (c.518A > C, p.Glu173 Ala; c.879 + 112G > A, p.?) and two known (c. 649 dup, p. Arg217Profs * 8; c. 649 del, p. Arg217Glufs * 12) mutations. Among these mutations, one was de novo(P6), and three could not be determined because one parent refused genetic testing. The clinical phenotypes were paroxysmal kinesigenic dyskinesia (PKD), benign familial infantile epilepsy (BFIE), epilepsy, infantile spasms, and intellectual disability. The qPCR results showed that PRRT2 gene expression levels were significantly lower in children and parent carriers than the control group. The SNAP25 gene expression level of affected children was significantly lower (P ≤ 0.001) than that of the control group. The mutation sites reported in this study are highly conserved in different species. Among the various drugs used, oxcarbazepine and sodium valproate were the most effective. All 10 children had a good disease prognosis, and 8 were completely controlled with no recurrence, whereas 2 had less severe and fewer seizures.ConclusionMutation of PRRT2 led to a significant decrease in its protein expression level and that of SNAP25, suggesting that the mutant protein may lead to the loss of its function and that of related proteins. This mutation site is highly conserved in most species, and there was no significant correlation between specific PRRT2 genotypes and clinical phenotypes. Asymptomatic carriers also have decreased gene expression levels, suggesting that more factors are involved.
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- 2022
25. Clinical characteristics and prognosis of pediatric myelin oligodendrocyte glycoprotein antibody-associated diseases in China
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Xiaoang Sun, Meiyan Liu, Xiaona Luo, Fang Yuan, Chunmei Wang, Simei Wang, Quanmei Xu, Yuanfeng Zhang, and Yucai Chen
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China ,Pediatrics, Perinatology and Child Health ,Humans ,Myelin-Oligodendrocyte Glycoprotein ,Syndrome ,Prognosis ,Retrospective Studies ,Autoantibodies - Abstract
Background Research on myelin oligodendrocyte glycoprotein antibody (MOG-Ab)-associated disease (MOGAD) among Chinese children is relatively rare. Therefore, this study aimed to explore and analyze the clinical characteristics and prognoses of Chinese children with acquired demyelinating syndromes (ADSs) who tested positive or negative for MOG-Ab. Methods The clinical data of children with MOGAD who were treated in the Department of Neurology at Shanghai Children's Hospital from January 2017 to October 2021 were retrospectively collected. Results Among 90 children with ADSs, 30 were MOG-Ab-positive, and 60 were MOG-Ab-negative. MOG-Ab-positive children experienced more prodromal infections than did MOG-Ab-negative children (P P P P Conclusion The clinical characteristics and imaging features of ADSs differed between MOG-Ab-positive and MOG-Ab-negative children. In addition to existing treatment plans, additional diagnoses and treatment plans should be developed to reduce recurrence and improve the prognoses of children with MOGAD.
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- 2022
26. Amplification of downstream flood stage due to damming of fine-grained rivers
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Hongbo Ma, Jeffrey A. Nittrouer, Xudong Fu, Gary Parker, Yuanfeng Zhang, Yuanjian Wang, Yanjun Wang, Michael P. Lamb, Julia Cisneros, Jim Best, Daniel R. Parsons, and Baosheng Wu
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China ,Geologic Sediments ,Multidisciplinary ,Rivers ,parasitic diseases ,fungi ,food and beverages ,General Physics and Astronomy ,General Chemistry ,geographic locations ,humanities ,Floods ,General Biochemistry, Genetics and Molecular Biology - Abstract
River dams provide many benefits, including flood control. However, due to constantly evolving channel morphology, downstream conveyance of floodwaters following dam closure is difficult to predict. Here, we test the hypothesis that the incised, enlarged channel downstream of dams provides enhanced water conveyance, using a case study from the lower Yellow River, China. We find that, although flood stage is lowered for small floods, counterintuitively, flood stage downstream of a dam can be amplified for moderate and large floods. This arises because bed incision is accompanied by sediment coarsening, which facilitates development of large dunes that increase flow resistance and reduce velocity relative to pre-dam conditions. Our findings indicate the underlying mechanism for such flood amplification may occur in >80% of fine-grained rivers, and suggest the need to reconsider flood control strategies in such rivers worldwide.
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- 2022
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27. Application Analysis of 5G Intelligent Communication Technologies in the Field of Sports Distance Education
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Yuanfeng Zhang
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China has entered a new era of fifth generation (5G)technology, college students are relatively quick to accept new things, and the traditional teaching mode cannot fully stimulate students’ interest in sports activities. Therefore, the 5G integrated teaching mode based on communication technology is an inevitable trend of sports distance education curriculum reform. Technologyand sports have been deeply intertwined for a long time. However, new opportunities are now rapidly expanding on the Internet, and the result is a huge data.This paper proposes a novel 5G framework for an efficient sports distance education. Initially, the sports dataset is preprocessed using normalization. The features are extracted using Principal Component Analysis (PCA). Then, feature selection process is done. Classification is done using Hierarchical Multi-scale Convolutional Neural Network (HM-CNN). The 5G network is initialized using Enhanced Transmission Control Protocol (E-TCP) for an efficient data transmission. The performance of the proposed system is improved by Elevated Ant Colony Optimization Algorithm (EACO). Using MATLAB simulation tool, we analyze and compare the performance of the proposed system with the existing methodologies. The results show that the experimental results of 5G integrated teaching reform based on communication technology show that the teaching reform experiment can effectively increase the number of college students’ sports population
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- 2022
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28. Identification of a chromatin regulator signature and potential prognostic ability for adrenocortical carcinoma
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Junwu Li, Yuanzhen Jia, Lin Tang, Ronggui Zhang, and Yuanfeng Zhang
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Genetics ,Molecular Medicine ,Genetics (clinical) - Abstract
Objective: Adrenocortical carcinoma (ACC) is a rare malignant tumor. Chromatin regulators (CRs) can drive epigenetic changes, which have been considered as one of the most vital hallmarks of tumors. This study aimed to explore the CR signature for ACC in order to clarify the molecular basis of ACC’s pathogenic mechanism and provide novel methods to diagnose and treat ACC clinically.Methods: This study obtained transcriptome sequencing datasets of ACC patients and sequencing data on normal adrenal tissues in TCGA and GTEx databases, respectively. Meanwhile, prognostic genes were selected through Lasso and Cox regression analyses. Using the transcriptome sequencing datasets of ACC patients downloaded from the GEO database to finish validation, we performed Kaplan–Meier (KM) analysis for evaluating the differential survival between low- and high-risk groups. Then, this work constructed the risk model for predicting ACC prognosis. TIMER 2.0 was employed to assess the differences in immune infiltration between the two groups. Furthermore, this work adopted the R package “pRRophetic” for exploring and estimating the sensitivity of patients to different chemotherapeutic agents.Results: A 5-CR model was established to predict ACC survival, and the CR signature was confirmed as a factor in order to independently predict ACC patient prognosis. In addition, a nomogram composed of the risk score and clinical T stage performed well in the prediction of patients’ prognosis. Differentially expressed CRs (DECRs) were mostly associated with the cell cycle, base excision repair, colon cancer, gene duplication, homologous recombination, and other signaling pathways for the high-risk group. As for the low-risk group, DECRs were mainly enriched in allograft rejection, drug metabolism of cytochrome P450, metabolism of xenogeneic organisms by cytochrome P450, retinol metabolism, and other signaling pathways. According to TIMER analysis, the immune infiltration degrees of endothelial cells, M2 macrophages, myeloid dendritic cells, CD4+ Th1 cells, NKT cells, and M0 macrophages showed significant statistical differences between the high- and low-risk groups, and high infiltration levels of M0 and M2 macrophages were more pronounced in higher T stage (T3 and T4), N stage (N1), and clinical stages (III and IV). In addition, high-risk cases exhibited higher sensitivity to etoposide and doxorubicin. Additionally, low-risk patients had significantly decreased expression of RRM1 compared with high-risk cases, suggesting the better effect of mitotane treatment.Conclusion: This study identified the DECRs, which might be related to ACC genesis and progression. The pathways enriched by these DECRs were screened, and these DECRs were verified with excellent significance for estimating ACC survival. Drug sensitivity analysis also supported the current clinical treatment plan. Moreover, this study will provide reliable ideas and evidence for diagnosing and treating ACC in the clinic.
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- 2022
29. The Efficacy of Vitamin D Supplementation for Migraine: A Meta-Analysis of Randomized Controlled Studies
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Xiao-Jiang Jiang, Zhi-Qiang Xu, Hong-Jie Zhou, Ya-Zhen Liu, and Yuanfeng Zhang
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medicine.medical_specialty ,Migraine Disorders ,MEDLINE ,Cochrane Library ,Placebo ,law.invention ,03 medical and health sciences ,0302 clinical medicine ,Randomized controlled trial ,law ,Internal medicine ,medicine ,Vitamin D and neurology ,Humans ,Pharmacology (medical) ,Vitamin D ,Randomized Controlled Trials as Topic ,Pharmacology ,business.industry ,medicine.disease ,Confidence interval ,030227 psychiatry ,Treatment Outcome ,Migraine ,Meta-analysis ,Dietary Supplements ,Neurology (clinical) ,business ,030217 neurology & neurosurgery - Abstract
INTRODUCTION The efficacy of vitamin D for migraine remains controversial. We conduct a systematic review and meta-analysis to explore the influence of vitamin D versus placebo on treatment in migraine patients. METHODS We search PubMed, EMbase, Web of Science, EBSCO, and Cochrane library databases through April 2020 for randomized controlled trials assessing the effect of vitamin D versus placebo on treatment efficacy in migraine patients. This meta-analysis is performed using the random-effect model. RESULTS Five randomized controlled trials are included in the meta-analysis. Overall, compared with control group in migraine patients, vitamin D treatment is associated with substantially reduced number of headache days (standard mean difference [SMD], -0.53; 95% confidence interval [CI], -0.83 to -0.23; P = 0.0006), frequency of headache attacks (SMD, -1.09; 95% CI, -1.86 to -0.32; P = 0.006), headache severity (SMD, -0.55; 95% CI, -0.91 to -0.19; P = 0.0003), and Migraine Disability Assessment score (SMD, -0.76; 95% CI, -1.11 to -0.40; P < 0.0001). CONCLUSIONS Vitamin D treatment is effective to alleviate migraine.
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- 2021
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30. Comparison of meatal-based flap (Mathieu) and tubularized incised-plate (TIP) urethroplasties for primary distal hypospadias: A systematic review and meta-analysis
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Xinye Zhou, Xuwei Hong, Jiahua Lin, Hong Huang, Yuanfeng Zhang, Yi Huang, Kaijian Lan, Weichu Wu, Yizhou Zhou, Zeren Shen, Ze-pai Chi, Shaochuan Chen, and Yonghai Zhang
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Male ,medicine.medical_specialty ,Urologic Surgical Procedures, Male ,Urethroplasty ,medicine.medical_treatment ,Fistula ,Surgical Flaps ,03 medical and health sciences ,0302 clinical medicine ,Urethra ,Suture (anatomy) ,030225 pediatrics ,Statistical significance ,Humans ,Medicine ,Hypospadias ,business.industry ,Wound dehiscence ,General Medicine ,Plastic Surgery Procedures ,medicine.disease ,Meatal stenosis ,Surgery ,Treatment Outcome ,030220 oncology & carcinogenesis ,Meta-analysis ,Pediatrics, Perinatology and Child Health ,business - Abstract
Purpose We conducted this meta-analysis to compare postoperative outcomes between meatal-based flap (Mathieu) and tubularized incised plate (TIP) techniques for distal hypospadias. Methods A comprehensive literature search of PUBMED, Web of Science, EMBASE, and Cochrane Library was conducted. Outcomes evaluated in this review were fistula, meatal stenosis, wound dehiscence and flap necrosis. We calculated odds ratio (OR) with 95% confidential interval (CI) to compare postoperative outcomes between Mathieu and TIP after data extraction and literature identification. All data were analyzed using Review Manager 5.2. In order to find potential affective factors, meta-regression and subgroup analyses were applied. Results 16 studies, 1386 patients, including 762 patients receiving Mathieu and 624 individuals subjected to TIP met the inclusion criteria. The synthetic data suggested that Mathieu and TIP were comparable in terms of fistula (OR = 0.93; 95% CI: 0.65 to 1.33; P = 0.70, I2 = 14%), wound dehiscence (OR = 0.89; 95% CI: 0.33 to 2.39; P = 0.81, I2 = 11%), and flap necrosis (OR = 1.9; 95% CI: 0.51 to 7.09; P = 0.20, I2 = 38%) without significant heterogeneity for each comparison group. Pooled estimates showed a significantly lower rate of meatal stenosis with Mathieu than with TIP (OR = 0.41; 95% CI: 0.24 to 0.73; P = 0.002, I2 = 4%). Subgroup analyses showed that the difference between Mathieu and TIP was more obvious in the studies published before 2013 in meatal stenosis. The modified Mathieu technique and a running suture for urethroplasty might be relevant to a lower rate of meatal stenosis in the data, although no statistical significance in the present effects model overall was found. One-way sensitivity analysis showed that the results were stable. There was no publication bias detected using both funnel plot and Egger's test. Conclusion This meta-analysis suggested that Mathieu and TIP technique were equivalent for primary distal hypospadias in terms of fistula, wound dehiscence, and flap necrosis. Pooled estimates indicated that there was a lower rate of meatal stenosis with Mathieu rather than with TIP significantly. The modified Mathieu technique and a running suture for urethroplasty might be relevant to a lower rate of meatal stenosis. Type of study Meta-analysis. Level of evidence IV
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- 2020
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31. Management of Long-Term Sores and Ulcers of Breast Cancer Survivors With Chinese Herbal Medicines: A Case Report
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Yuanfeng Zhang, Bing Zhang, Weilong Zhou, and Tao Lu
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Psychiatry and Mental health - Abstract
BackgroundThe treatment of long-term sores and ulcers of breast cancer metastatic recurrence is a serious challenge with successful cases rarely being documented. Herein we reported a successful case using the internal vitality supporting method of Chinese herbal medicine (CHM).Case SummaryA 59-year-old female Chinese patient, 10 years after breast cancer surgery, developed metastatic lesions in the lung. Thereafter she received radiofrequency ablation and adjuvant treatments for 1 year with severe sequelae, a right unhealed sore and ulcer. She became frustrated and depressive. And subsequently sought exclusive treatment under the guidance of a Traditional Chinese Medicine (TCM) physician. The patient's condition was categorized as a Qi (or vitality) deficiency-related sore and ulcer. In the next six months, the patient still follows a traditional Chinese medicine therapeutic regimen based on the internal vitality supporting method of Chinese herbs.ConclusionThe sore and ulcer from the surgical wound were healed. Up to now, the tumor markers have remained stable. TCM personalized survivorship treatment and psychosocial support can help patients improve their quality of life after acute treatment and in the long-term for cancer survivors.
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- 2022
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32. Targeting MYC and BCL2 by a natural compound for 'double-hit' lymphoma
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Xiaoqian Liu, Senlin Xu, Jiawei Zhang, Mingjie Fan, Jun Xie, Bingfeng Zhang, Hongzhi Li, Guohua Yu, Yinghui Liu, Yuanfeng Zhang, Joo Song, David Horne, Wing C. Chan, Xiaoxia Chu, and Wendong Huang
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Gene Rearrangement ,Proto-Oncogene Proteins c-myc ,Cancer Research ,Lymphoma, B-Cell ,Oncology ,Proto-Oncogene Proteins c-bcl-2 ,Humans ,Hematology ,General Medicine ,Lymphoma, Large B-Cell, Diffuse ,Calcium-Calmodulin-Dependent Protein Kinase Type 2 - Abstract
Concurrent translocations of MYC and BCL2 lead to abnormal expression of both oncoproteins, which contribute to the aggressive clinical characteristics of double-hit lymphoma (DHL). An effective therapy for DHL remains an unmet clinical need. In this study, we showed that both Ca
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- 2022
33. High CENPA expression in papillary renal cell carcinoma tissues is associated with poor prognosis
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Junwu li, Qinke Li, Yiteng Xie, Yuanfeng Zhang, and Ronggui Zhang
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Objective: This work focused on investigating the relation of centromeric protein A (CENPA) gene expression with prognosis of papillary renal cell carcinoma (PRCC). Methods: We obtained data from PRCC cases in TCGA. Thereafter, CENPA levels between the paired PRCC and matched non-carcinoma samples were analyzed by Wilcoxon rank-and-sum test, while the relations of clinicopathological characteristics with CENPA level were examined by logistic regression and Wilcoxon rank-sum test. The prognostic value of CENPA was assessed by plotting the receiver operating feature curve (ROC) and calculating the value of area under curve (AUC). In addition, relations between clinicopathological features and PRCC survival were analyzed through Kaplan-Meier (KM) and Cox regression analyses. Additionally, we constructed a nomogram according to multivariate Cox regression results for predicting how CENPA affected patient survival. We also determined CENPA levels within cancer and matched non-carcinoma samples through immunohistochemistry (IHC). Finally, we utilized functional enrichment for identifying key pathways related to differentially expressed genes (DEGs) between PRCC cases with CENPA up-regulation and down-regulation. Results: CENPA expression enhanced in PRCC tissues compared with healthy counterparts (P Conclusion: CENPA expression increases within PRCC samples, which predicts dismal PRCC survival. CENPA may become a molecular prognostic marker and therapeutic target for PRCC patients.
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- 2022
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34. Induced pluripotent stem cells (SHCDNi006-A cells) isolated from the peripheral blood mononuclear cells of a five-month-old Chinese girl with the heterozygous missense mutation (c.2800 GA) in the KCNT1 gene
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Xiaona Luo, Yilin Wang, Fang Yuan, Longlong Lin, Anqi Wang, Chao Wang, Miao Guo, Simei Wang, Chunmei Wang, Quanmei Xu, Rongrong Yin, Hongyi Cheng, Yuanfeng Zhang, Zhiping Liu, Wuhen Xu, Jingbin Yan, Fanyi Zeng, and Yucai Chen
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China ,Epilepsy ,Induced Pluripotent Stem Cells ,Mutation, Missense ,Infant ,Cell Differentiation ,Electroencephalography ,Nerve Tissue Proteins ,Cell Biology ,General Medicine ,Potassium Channels, Sodium-Activated ,Seizures ,Mutation ,Leukocytes, Mononuclear ,Humans ,Female ,Developmental Biology - Abstract
Epilepsy of infancy with migrating focal seizures (EIMFS) is a kind of epileptic encephalopathy with high genetic heterogeneity. The most common pathogenic gene for EIMFS is potassium sodium-activated channel subfamily T member 1 (KCNT1). Using Sendai virus-mediated reprogramming, we established an induced pluripotent stem cell (iPSC) line from the peripheral blood mononuclear cells (PBMCs) of a five-month-old Chinese girl with heterozygous missense mutation (c.2800 GA) in the KCNT1 gene. The iPSCs were stable during amplification, expressed pluripotent genes, maintained a normal karyotype, and showed characteristics of the three germs layers in an in vitro differentiation assay.
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- 2022
35. Pan-Cancer Analysis Based on Gene Mutation and Epigenetic Modification Explains The Value of HJURP in The Tumor Microenvironment
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Junwu Li, Ronggui Zhang, Weili Zhang, Junyong Zhang, Jun Zheng, and Yuanfeng Zhang
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Objective: To analyze expression levels, prognostic value and immune infiltration association of Holliday junction protein (HJURP) as well as its feasibility as a pan-cancer biomarker for different cancers. Methods: The Protter online tool was utilized to obtain the protein structure and localization of HJURP in diverse tumors, then the mutation and methylation of HJURP in tumors were further explored. Thereafter, the mRNA data and clinical characteristics of 33 tumor types from TCGA database were obtained for investigating HJURP levels within different tumor types and different tumor stages and its prognostic relation. Finally, the composition pattern and immune infiltration of HJURP in different tumors were detected in Tumor Immune Estimation Resource. Results: HJURP was abnormally expressed in most of the cancer types and subtypes in TCGA database. Also, it was related to metastasis, tumor stage, and poor prognosis of different cohorts. Moreover, HJURP was related to tumor immune escape through diverse mechanisms, including T cell rejection and methylation within diverse cancers. Besides, the methylation of HJURP was inversely proportional to mRNA expression levels, which mediated the dysfunctional phenotypes of T cells and poor prognosis of different cancer types. Patients with HJURP mutations had a higher tumor mutation load than those with no HJURP mutations. Alternatively, based on this work, HJURP level was related to immune cell infiltration within diverse cancers. Conclusions: HJURP may serve as an oncogenic molecule, and its expression and immune infiltration characteristics can be used as the diagnostic, prognostic marker and therapeutic target.
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- 2022
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36. The mouse model of hepatic veno-occlusive disease
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Licai, An, Xijing, L, Xiaoxia, Chu, Xiaoqian, Liu, Yuanfeng, Zhang, Yanming, Wang, Yan, Wang, and Yinghui, Liu
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Liver Cirrhosis ,Male ,Disease Models, Animal ,Mice, Inbred BALB C ,Necrosis ,Monocrotaline ,Time Factors ,Liver ,Hepatic Veno-Occlusive Disease ,Animals ,Cytokines ,Inflammation Mediators ,Platelet Activation - Abstract
With the application of hematopoietic stem cell transplantation, Subacute or acute increase in the incidence of hepatic veno-occlusive disease (HVOD) becomes more common and it can lead to fatal complications. This article characterizes a mouse model of HVOD induced by monocrotaline. After gavage with monocrotaline was performed on BALB/c mice, On the 3rd, 4th, 6th, 8th and 10th days, mice were anesthetized, blood was collected and the liver was removed. Liver slices were processed by HE stain, Masson's trichrome stain or immunohistochemical stain. From days 3 through 4, histopathology and cytokine changes were determined as severe, early HVOD. From days 6 through 8, the changes were considered to represent late HVOD. On the 10th day, the above changes showed that late HVOD gradually improved.
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- 2022
37. Pattern Recognition for Steam Flooding Field Applications Based on Hierarchical Clustering and Principal Component Analysis
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Na Zhang, Mingzhen Wei, Baojun Bai, Xiaopeng Wang, and Yuanfeng Zhang
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- 2022
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38. Incidences of Common Diseases and Their Relationship to the Development of Dementia in a Large Retrospective Cohort Study
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Yiling Zhang, Lei Qin, Yibo Li, Yi-Wei Kao, Yuejian Zhang, Juan Li, Yuanfeng Zhang, Ben-Chang Shia, and Tao Lu
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- 2022
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39. The Study on the Clinical Phenotype and Function of HPRT1 Gene
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Miao Guo, Yucai Chen, Longlong Lin, Yilin Wang, Anqi Wang, Fang Yuan, Chunmei Wang, Simei Wang, and Yuanfeng Zhang
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General Medicine - Abstract
Background: Lesch-Nyhan disease (LND) is a rare x-linked purine metabolic neurogenetic disease caused by enzyme hypoxanthine-guanine phosphoriribosyltransferase(HGprt) deficiency, also known as self-destructive appearance syndrome. A series of manifestations are caused by abnormal purine metabolism. The typical clinical manifestations are hyperuricemia, growth retardation, mental retardation, short stature, dance-like athetosis, aggressive behavior, and compulsive self-harm.. Results: we identified a point mutation c.151C > T (p. Arg51*) in a pedigree. We analyzed the clinical characteristics of children in a family, and obtained the blood of their parents and siblings for second-generation sequencing. At the same time, we also analyzed and compared the expression of HPRT1 gene and predicted the three-dimensional structure of the protein. And we analyzed the clinical manifestations caused by the defect of the HPRT1 genethe mutation led to the termination of transcription at the 51st arginine, resulting in the production of truncated protein, and the relative expression of HPRT1 gene in patients was significantly lower than other family members and 10 normal individuals. Conclusion: this mutation leads to the early termination of protein translation and the formation of a truncated HPRT protein, which affects the function of the protein and generates corresponding clinical manifestations.
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- 2021
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40. Risk Stratification for Diffuse Large B-Cell Lymphoma by Integrating Interim Evaluation and International Prognostic Index: A Multicenter Retrospective Study
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Xue Shi, Xiaoqian Liu, Xiaomei Li, Yahan Li, Dongyue Lu, Xue Sun, Ying Li, Shunfeng Hu, Yuanfeng Zhang, Xiangxiang Zhou, Xin Wang, Haiping Chen, and Xiaosheng Fang
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Cancer Research ,Oncology ,hemic and lymphatic diseases ,diffuse large B-cell lymphoma ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,risk stratification ,prognosis ,interim evaluation ,International Prognostic Index ,RC254-282 ,Original Research - Abstract
The baseline International Prognostic Index (IPI) is not sufficient for the initial risk stratification of patients with diffuse large B-cell lymphoma (DLBCL) treated with R‐CHOP (rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone). The aims of this study were to evaluate the prognostic relevance of early risk stratification in DLBCL and develop a new stratification system that combines an interim evaluation and IPI. This multicenter retrospective study enrolled 314 newly diagnosed DLBCL patients with baseline and interim evaluations. All patients were treated with R-CHOP or R-CHOP-like regimens as the first-line therapy. Survival differences were evaluated for different risk stratification systems including the IPI, interim evaluation, and the combined system. When stratified by IPI, the high-intermediate and high-risk groups presented overlapping survival curves with no significant differences, and the high-risk group still had >50% of 3-year overall survival (OS). The interim evaluation can also stratify patients into three groups, as 3-year OS and progression-free survival (PFS) rates in patients with stable disease (SD) and progressive disease (PD) were not significantly different. The SD and PD patients had significantly lower 3-year OS and PFS rates than complete remission and partial response patients, but the percentage of these patients was only ~10%. The IPI and interim evaluation combined risk stratification system separated the patients into low-, intermediate-, high-, and very high-risk groups. The 3-year OS rates were 96.4%, 86.7%, 46.4%, and 40%, while the 3-year PFS rates were 87.1%, 71.5%, 42.5%, and 7.2%. The OS comparison between the high-risk group and very high-risk group was marginally significant, and OS and PFS comparisons between any other two groups were significantly different. This combined risk stratification system could be a useful tool for the prognostic prediction of DLBCL patients.
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- 2021
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41. Comparison of Hematopoietic Stem Cell Transplantation Outcomes Using Matched Sibling Donors, Haploidentical Donors, and Immunosuppressive Therapy for Patients With Acquired Aplastic Anemia
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Yuanfeng Zhang, Jiali Huo, Li Liu, Yuyan Shen, Juan Chen, Tingting Zhang, Xin Chen, Aiming Pang, Donglin Yang, Rongli Zhang, Qiaoling Ma, Weihua Zhai, Yi He, Jialin Wei, Erlie Jiang, Mingzhe Han, Yizhou Zheng, and Sizhou Feng
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Adult ,Male ,Transplantation Conditioning ,aplastic anemia ,Adolescent ,Immunology ,immunosuppressive therapy ,Graft vs Host Disease ,Young Adult ,immune system diseases ,hemic and lymphatic diseases ,Immunology and Allergy ,Humans ,matched sibling donor ,Child ,Aged ,Retrospective Studies ,Immunosuppression Therapy ,haploidentical donor ,Incidence ,Siblings ,Hematopoietic Stem Cell Transplantation ,Anemia, Aplastic ,RC581-607 ,Middle Aged ,Tissue Donors ,Survival Rate ,surgical procedures, operative ,Child, Preschool ,Multivariate Analysis ,Transplantation, Haploidentical ,Regression Analysis ,Female ,Immunologic diseases. Allergy ,transplantation - Abstract
We retrospectively compared the outcomes of 387 consecutive patients with acquired aplastic anemia (AA) who underwent hematopoietic stem cell transplantation (HSCT) with a fludarabine-based conditioning regimen from matched sibling donors (MSD) (n = 108) or haploidentical donors (HID) (n = 91) and immunosuppressive therapy (IST) (n = 188) from 2014 to 2020 at our hospital. Compared with HID-HSCT, MSD-HSCT had a lower incidence of graft failure (1% vs. 7%, p = 0.062), grade II–IV acute graft versus host disease (aGvHD) (16% vs. 35%, p = 0.001), and mild to severe chronic GvHD (cGvHD) (8% vs. 23%, p = 0.007), but an equivalent incidence of grade III–IV aGvHD (8% vs. 12%, p = 0.237) and moderate to severe cGvHD (3% vs. 9%, p = 0.076). HSCT had superior blood count recovery at 3, 6, and 12 months compared with IST (p < 0.001). The estimated 5-year overall survival (OS) of the MSD, HID, and IST groups were 86%, 72%, and 79% (p = 0.02), respectively; accordingly, the failure-free survival (FFS) rates were 85%, 68%, and 56%, respectively (p < 0.001). For patients aged ≤40 years, the OS rate was still significantly superior for MSD-HSCT receipients compared to HID-HSCT receipients (89% vs. 76%, p = 0.024) while the HID-HSCT recipients showed similar OS (76% vs. 78%, p = 0.166) but superior FFS (p = 0.047) when follow-up was longer than 14.5 months in contrast to IST. In a multivariate analysis, HID-HSCT and a conditioning regimen that included busulfan were adversely related to OS among patients who received allografts. In conclusion, MSD-HSCT was the frontline choice for patients with severe AA aged ≤40 years, while HID-HSCT was as effective as IST for patients without an MSD.
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- 2021
42. Correlation Between Tic Disorders and Serum 25-Hydroxyvitamin D Levels in Chinese Children
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Simei Wang, Quanmei Xu, Anqi Wang, Fang Yuan, Xiaona Luo, Yilin Wang, Miao Guo, Yuanfeng Zhang, Wenjing Zhang, Xiaobing Ji, Yun Ren, and Yucai Chen
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Pediatrics, Perinatology and Child Health - Abstract
ObjectiveTo explore the correlation between serum 25-hydroxyvitamin D levels and tic disorders (TDs) in Chinese children.MethodsWe selected 2960 children with TD and 2665 healthy controls, aged 5–14 years, from the Department of Neurology of the Shanghai Children’s Hospital. Serum 25-hydroxyvitamin D levels and degrees of vitamin D deficiency were compared between patients with TD and healthy children.ResultsThe mean serum 25-hydroxyvitamin D level in the TD group was significantly lower than that in the control group (P < 0.001). The proportion of patients with 25-hydroxyvitamin D deficiency in the TD group was significantly higher than that in the control group. However, there was no correlation between 25-hydroxyvitamin D deficiency and the severity of TD. In addition, for age-wise comparison, mean levels of 25-hydroxyvitamin D and its deficiency in the TD group were the most significant in children over 9 years of age.ConclusionThere is a correlation between 25-hydroxyvitamin D deficiency and TD in Chinese children, but not between 25-hydroxyvitamin D deficiency and the severity of TD. There was a correlation between age and deficiency of 25-hydroxyvitamin D; this deficiency was most pronounced among those over the age of 9 years.
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- 2021
43. Research on Power Grid Investment Demand Forecast Based on Error Correction Model
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Na Yu, Ming Chen, Kaihui Ye, and Yuanfeng Zhang
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- 2021
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44. Case Study and Literature Review of Phelan-McDermid Syndrome Caused By a Pathogenic Mutation in The SHANK3 Gene
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Quanmei Xu, Juefei Wang, Yuanfeng Zhang, Jinju Luo, Chunmei Wang, Yucai Chen, Yilin Wang, and Simei Wang
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Genetics ,SHANK3 Gene ,Phelan-McDermid syndrome ,Pathogenic mutation ,Biology - Abstract
Background: Phelan-McDermid syndrome is a rare genetic disorder resulting from heterozygous deletion of 22q13.3 with the involvement of at least part of SHANK3 or a heterozygous pathogenic variant in SHANK3. We would like to explore the possible pathogenesis and therapeutic direction of PMS.Methods: We identified a child who harbored a de novo SHANK3 gene mutation and had a speech delay and mental retardation. This pathogenic mutation (c.3679dup, p.A1227Gfs*69) may lead to early termination of protein transcription and is speculated to cause changes in protein function. The gene expression profiles of family members were evaluated by RT-PCR, which showed that SHANK3 expression was significantly lower in the child than in the other family members. The sites of pathogenic and likely pathogenic mutations in the SHANK3 gene reported by ClinVar were searched, and the mutation sites were summarized and marked. Results: The relevant literature was reviewed to understand the current state of research progress and possible future treatment directions. Researchers have found that CDPPB is a potent and selective positive allosteric modulator of mGluR5. In addition, it is important to further study whether NMD is involved in the expression of SHANK3 and to further investigate PTCs.Conclusions: Genetic testing is essential for children with development delay. It’s necessary to do further research about the therapeutic direction.
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- 2021
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45. Dunes in the world’s big rivers are characterized by low-angle lee-side slopes and a complex shape
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Renato Paes de Almeida, Richard J. Huizinga, Mario L. Amsler, Justin A. Boldt, Hongbo Ma, Jeffrey A. Nittrouer, Daniel R. Parsons, James L. Best, Yuanfeng Zhang, Cristiano Padalino Galeazzi, Ping Wang, Bernardo Tavares Freitas, Kevin A. Oberg, Oscar Orfeo, Julia Cisneros, Marco Ianniruberto, Theodore Adriënne Godefrieke Petula van Dijk, and Ricardo Nicolas Szupiany
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Bedform ,010504 meteorology & atmospheric sciences ,Flood myth ,Stratification (water) ,010502 geochemistry & geophysics ,01 natural sciences ,Angle of repose ,Sedimentary depositional environment ,General Earth and Planetary Sciences ,Bathymetry ,Alluvium ,RIOS ,Geomorphology ,Geology ,0105 earth and related environmental sciences ,Bed load - Abstract
Dunes form critical agents of bedload transport in all of the world’s big rivers, and constitute appreciable sources of bed roughness and flow resistance. Dunes also generate stratification that is the most common depositional feature of ancient riverine sediments. However, current models of dune dynamics and stratification are conditioned by bedform geometries observed in small rivers and laboratory experiments. For these dunes, the downstream lee-side is often assumed to be simple in shape and sloping at the angle of repose. Here we show, using a unique compilation of high-resolution bathymetry from a range of large rivers, that dunes are instead characterized predominantly by low-angle lee-side slopes (
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- 2020
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46. A Combination of the Mayo Adhesive Probability Score and the RENAL Score to Predict Intraoperative Complications in Small Renal Masses
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Yuanfeng Zhang, Delin Wang, Weili Zhang, Chengguo Ge, Junyong Zhang, Guangyong Xu, Dachun Jin, and Dong Ren
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Adult ,Male ,Laparoscopic surgery ,medicine.medical_specialty ,Intraoperative Complication ,Urology ,medicine.medical_treatment ,030232 urology & nephrology ,Kidney ,Logistic regression ,Nephrectomy ,Severity of Illness Index ,Body Mass Index ,03 medical and health sciences ,0302 clinical medicine ,Blood loss ,Statistical significance ,medicine ,Humans ,Operation time ,Intraoperative Complications ,Carcinoma, Renal Cell ,Aged ,Probability ,Retrospective Studies ,business.industry ,Nephrons ,Middle Aged ,Predictive value ,Kidney Neoplasms ,Surgery ,Adipose Tissue ,Area Under Curve ,030220 oncology & carcinogenesis ,Asian population ,Regression Analysis ,Female ,Laparoscopy ,Tomography, X-Ray Computed ,business ,Algorithms - Abstract
Introduction: To evaluate the potential predictive value of the Mayo Adhesive Probability (MAP) score combined with the RENAL score for intraoperative outcomes in retroperitoneal laparoscopic nephron-sparing surgery (NSS) in an Eastern Asian population. Methods: An initial of 388 patients undergoing retroperitoneal laparoscopic NSS were identified. MAP and RENAL scores were calculated according to CT and a logistic regression model was adopted as a combination of the RENAL score and the MAP score. Results: A total of 293 patients were included. The overall intraoperative complication rate was 7.5% (21 cases). The MAP score was found to correlate with operation time (OT; r = 0.169), estimated blood loss (EBL; r = 0.318), and intraoperative complications (r = 0.242). The RENAL score was correlated with warm ischemia time (r = 0.503), OT (r = 0.334), intraoperative complications (r = 0.178), and EBL (r = 0.218). The MAP score and the RENAL score were reliable predictors of overall intraoperative complications, with areas under the curve (AUC) of 0.728 and 0.759, respectively. After combination of these 2 scores, the AUC of overall intra-operative complications was improved with statistical significance (AUC = 0.847, combination vs. RENAL score: p = 0.044 < 0.05; combination vs. MAP score: p = 0.005 < 0.05). Conclusion: The MAP score is an important predictor of EBL, OT, and intraoperative complications in retroperitoneal laparoscopic NSS and its combination with the RENAL score showed a superior predictive value compared to a single score in overall intraoperative complications. The MAP score might be considered in preoperative radiologic aspects as regularly as the RENAL score.
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- 2019
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47. Total tubeless versus standard percutaneous nephrolithotomy: a meta-analysis
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Yuanfeng Zhang, Qing Jiang, Jie Li, Qiubo Li, and Liang Gao
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medicine.medical_specialty ,medicine.medical_treatment ,Operative Time ,MEDLINE ,Nephrolithotomy, Percutaneous ,law.invention ,Weighted mean difference ,Kidney Calculi ,03 medical and health sciences ,0302 clinical medicine ,Randomized controlled trial ,law ,medicine ,Humans ,Blood Transfusion ,Percutaneous nephrolithotomy ,Randomized Controlled Trials as Topic ,Analgesics ,business.industry ,Length of Stay ,Surgery ,Treatment Outcome ,030220 oncology & carcinogenesis ,Meta-analysis ,030211 gastroenterology & hepatology ,business ,Hospital stay - Abstract
Objective: The aim of this meta-analysis was to evaluate the efficacy and safety of total tubeless percutaneous nephrolithotomy (PCNL) versus standard PCNL. Method: MEDLINE, EMBASE, the Cochrane Central Register of Controlled Trials, and the Chinese Biomedical Literature Database were researched. Randomized controlled trials (RCTs) and clinically controlled trials (CCTs) comparing total tubeless PCNL (tubeless and stentless) versus standard PCNL were included in this review. The related studies that met the inclusion criteria were included in the meta-analysis. Two reviewers independently assessed the quality of each included studies and extracted data. RevMan 5.1. was used for meta-analysis. Outcome: Five RCTs and four CCTs were included, involving a total of 652 patients. All patients were divided into the total tubeless PCNL group and the standard PCNL group. The pooled results showed that the total tubeless PCNL group significantly reduced the hospital stay [weighted mean difference (WMD) −1....
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- 2019
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48. The relationships of acute kidney injury duration and severity with long-term functional deterioration following partial nephrectomy
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Peihe Liang, Zhihao Zhou, Xiaodu Xie, Jian Hu, Jun Zhang, Jun Jiang, Dachun Jin, Liang Gao, Runze Fan, Yao Zhang, Yanlin Chen, and Yuanfeng Zhang
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Nephrology ,medicine.medical_specialty ,Urology ,medicine.medical_treatment ,Confidential interval ,Renal function ,urologic and male genital diseases ,Nephrectomy ,Risk Factors ,Internal medicine ,medicine ,Humans ,Stage (cooking) ,Risk factor ,Retrospective Studies ,urogenital system ,business.industry ,Hazard ratio ,Acute kidney injury ,Acute Kidney Injury ,medicine.disease ,female genital diseases and pregnancy complications ,Kidney Neoplasms ,Treatment Outcome ,Cardiology ,business - Abstract
PURPOSE To evaluate the effect of acute kidney injury (AKI) duration and severity on long-term renal functional outcomes in patients undergoing partial nephrectomy (PN). METHODS Altogether 292 consecutive patients undergoing laparoscopic PN from 2010 to 2018 were identified in two medical centers. In addition, the AKI duration {transient AK [≤ 3d] or persistent AKI [> 3d]} was combined with AKI severity (stages) to elucidate their relationships with long-term functional results. Kaplan-Meier (KM) analysis was also used to compare among patients with no AKI, transient AKI, and persistent AKI. Moreover, the Cox-proportional hazards regression model was utilized to assess the risk factors for renal function deterioration. RESULTS Altogether 67 patients (22.9%) experienced postoperative AKI. 75% eGFR preserve rate during the follow-up was compared among patients with no AKI, transient AKI and persistent AKI using KM analysis and log-rank test, which revealed significant difference. After adjusting for age and warm ischemia time by multivariate model proportional hazards analysis, AKI duration and severity were identified as the risk factors (Stage 1-transient AKI vs. non-AKI: adjusted hazard ratio (HR) 4.361, 95% confidential interval (CI) [2.062-9.233], p
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- 2021
49. Rapid Resolution of severe feline infectious peritonitis using natural products
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Lili Zhu, Yuanfeng Zhang, Yue Zhang, Xin Zhao, Xin Du, Fang Lu, and Tao Lu
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Resolution (electron density) ,Biology ,Virology ,Feline infectious peritonitis - Abstract
This is the first report of a successful treatment of a severe feline infectious peritonitis (FIP) case using Lianhuaqingwen (LH) capsule, a Chinese patent medicine (natural products)and it has been used for the treatment of coronavirus disease 2019. A 1-year-old cat was diagnosed FIP and presented with severe ascites, aphagia, inflammation, breathing difficulties and weight loss. Within 22 days of LH capsule treatment, all indicators of the cat eventually returned to normal, and the ascites gradually disappeared. This case report is the first description of the clinical recovery features of a cat with a systemic FCoV infection using LH capsules.
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- 2021
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50. A novel dominant-negative PD-1 armored anti-CD19 CAR T cell is safe and effective against refractory/relapsed B cell lymphoma
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Hui Wang, Junjie Ma, Licai An, Kaimin Li, Junqing Xu, Xiaoxia Chu, Xiaoqian Liu, Yinghui Liu, and Yuanfeng Zhang
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0301 basic medicine ,Cancer Research ,medicine.medical_specialty ,Lymphoma ,T cell ,Cell ,Gastroenterology ,03 medical and health sciences ,0302 clinical medicine ,Refractory ,Internal medicine ,hemic and lymphatic diseases ,medicine ,B-cell lymphoma ,B cell ,RC254-282 ,Original Research ,business.industry ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,medicine.disease ,Programmed cell death-1(PD-1) ,Chimeric antigen receptor ,Clinical trial ,Cytokine release syndrome ,030104 developmental biology ,medicine.anatomical_structure ,Oncology ,030220 oncology & carcinogenesis ,Chimeric antigen receptor T cell (CAR T cell) ,business - Abstract
Highlights • This is the first study of dominant-negative PD-1 armored anti-CD19 CAR t cells on refractory b cell lymphoma, demonstrated that the modified CAR t cells were safe and tolerable without extra toxicity. • This study indicated that the efficacy of this new CAR t cell was promising for the management of transformed follicular lymphoma (FL) and early-relapsed FL. • It proved the possibility that CAR T-cell function could be improved by interrupting the PD-1/PD-L1 axis which was validated preliminarily in this clinical study., Refractory/relapsed B cell lymphoma patients who received the available anti-CD19 chimeric antigen receptor (CAR) T cells may still experience a short duration of remission. Here in this study, we evaluated the safety and efficacy of a novel dominant-negative programmed cell death-1 (PD-1) armored anti-CD19 CAR T cells. A total of 9 patients (including 4 diffuse large B cell lymphomas, DLBCL, 2 transformed follicular lymphomas, TFL, and 3 follicular lymphomas, FL) received the novel CAR T cells infusion at a dose of more than 1 × 106/kg. Grade ≥ 3 cytokine release syndrome (CRS) and neurotoxicity were observed in 11.1% (n = 1/9) and 11.1% (n = 1/9) of patients, respectively. The overall response rate (ORR) was 77.8% (n = 7/9) and complete response (CR) rate was 55.6% (n = 5/9). Two patients have ongoing CR (all at 20+ months). CAR T cells expanded after infusion and continued to be detectable at 12+ months in patients with ongoing CR. This novel CD19-CAR T cell was safe and effective with durable remissions in patients with refractory/relapsed B cell lymphoma.
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- 2021
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