178 results on '"Xindi Wang"'
Search Results
52. A review of inflation from 1906 to 2022: a comprehensive analysis of inflation studies from a global perspective
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Xindi Wang, Zeshui Xu, Xinxin Wang, and Marinko Skare
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History ,Economics, Econometrics and Finance (miscellaneous) ,Inflation, bibliometrics, visualization tool, policy suggestions ,Development ,Business and International Management - Abstract
Research background: Inflation has always been the core issue of economic research and there are many academic research achievements in this field. In recent years, global inflation has intensified, and many scholars focus on research in this field again, providing certain reference value for countries around the world to formulate corresponding macro policies. Purpose of the article: The five-year impact factors are used as the evaluation criteria in this paper, and 1,637 high-quality documents on inflation from 1906 to 2022 are collected from the Web of Science Core Collection database. Using bibliometrics, a comprehensive review of influential literature in the field of inflation is conducted to reveal the evolution and trends of the field. Methods: First, we focus on these high-quality documents about the descriptive statistical characteristics, high cited documents and high impact factor journals. Then, based on the visualization tool, the cooperative network of countries/regions, authors and institutions is depicted and the cooperative relationship between them is determined. At the same time, the most influential countries/regions, authors and institutions are identified by analyzing the citation structure. In addition, through thematic and keyword analysis, the topic hotspots and future research trends of high-quality literature in the field of inflation are deduced. Findings & value added: On the whole, the research on inflation in the United States is relatively mature, and has produced a large number of influential academic cooperation results. Finally, we have a series of discussions on the history of inflation in the United States and policy suggestions. In the future, governments of various countries, especially the United States, will still face certain challenges in how to formulate policies and measures to mitigate the impact of inflation.
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- 2022
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53. Litebox: Design for Adult Literacy.
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Xindi Wang, Kesava Karthik Kota, Kolli Reddy, Denise Baran, and Nalin Bhatia
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- 2018
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54. High Expression of RAB32 Predicts Adverse Outcomes: A Potential Therapeutic Target for Glioblastoma
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Liji Huang, Yue Chi, Xindi Wang, Sinan Zhang, Xiangyue Su, Xudong Jiang, Yanfei Cao, and Lina Zhang
- Abstract
RAB32 is a potential prognostic marker that is overexpressed in a variety of cancers. The purpose of this study was to investigate the expression and function of RAB32 in glioblastoma (GBM).The expression data of RAB32 were obtained by accessing TCGA, CGGA and GEPIA databases, which were verified by western blot and immunohistochemistry. The prognostic value of RAB32 methylation was carefully examined using cBioPortal and MethSurv. GSEA was used to analyze cancer-related signaling pathways that may be activated by high RAB32 expression. The correlation between RAB32 and GBM immunoinfiltration was studied by accessing TISIDB database.The effects of RAB32 on proliferation, migration and invasion of GBM cells were predicted by Colony Formation Assay, CCK-8 assay and Transwell assay. In this study, RAB32 expression was up-regulated in GBM compared to normal brain tissue. Survival analysis showed that high expression of RAB32 was an independent risk factor for overall survival in glioma patients. RAB32 methylation was negatively correlated with RAB32 expression, and the overall survival rate of RAB32 hypomethylated patients was lower than that of RAB32 hypermethylated patients.Through functional enrichment analysis, we found that the RAB32 overexpression significantly activated multiple signaling pathways. Immunoassay results showed that RAB32 expression was correlated with immune infiltration of tumor microenvironment. Knocking down the expression of RAB32 gene significantly inhibited the proliferation, migration and invasion of glioma cells. Our results show that RAB32 is a key factor affecting the prognosis of patients with GBM, and its targeting may provide a new treatment for patients with GBM.
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- 2023
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55. Bruton tyrosine kinase inhibitors preserve anti-CD19 chimeric antigen receptor T-cell functionality and reprogram tumor micro-environment in B-cell lymphoma
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Wenjing Luo, Chenggong Li, Jianghua Wu, Lu Tang, Xindi Wang, Yinqiang Zhang, Zhuolin Wu, Zhongpei Huang, Jia Xu, Yun Kang, Wei Xiong, Jun Deng, Yu Hu, and Heng Mei
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Cancer Research ,Transplantation ,Oncology ,Immunology ,Immunology and Allergy ,Cell Biology ,Genetics (clinical) - Published
- 2023
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56. The Chinese Open Science Network (COSN):Building an Open Science Community From Scratch
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Haiyang Jin, Qing Wang, Yu-Fang Yang, Han Zhang, Mengyu (Miranda) Gao, Shuxian Jin, Yanxiu (Sharon) Chen, Ting Xu, Yuan-Rui Zheng, Ji Chen, Qinyu Xiao, Jinbiao Yang, Xindi Wang, Haiyang Geng, Jianqiao Ge, Wei-Wei Wang, Xi Chen, Lei Zhang, Xi-Nian Zuo, Hu Chuan-Peng, Social Psychology, and IBBA
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Chinese ,Open Science ,equity-diversity-inclusion (EDI) ,SDG 10 - Reduced Inequalities ,non-WEIRD ,grassroots network ,General Psychology - Abstract
Open Science is becoming a mainstream scientific ideology in psychology and related fields. However, researchers, especially early-career researchers (ECRs) in developing countries, are facing significant hurdles in engaging in Open Science and moving it forward. In China, various societal and cultural factors discourage ECRs from participating in Open Science, such as the lack of dedicated communication channels and the norm of modesty. To make the voice of Open Science heard by Chinese-speaking ECRs and scholars at large, the Chinese Open Science Network (COSN) was initiated in 2016. With its core values being grassroots-oriented, diversity, and inclusivity, COSN has grown from a small Open Science interest group to a recognized network both in the Chinese-speaking research community and the international Open Science community. So far, COSN has organized three in-person workshops, 12 tutorials, 48 talks, and 55 journal club sessions and translated 15 Open Science-related articles and blogs from English to Chinese. Currently, the main social media account of COSN (i.e., the WeChat Official Account) has more than 23,000 subscribers, and more than 1,000 researchers/students actively participate in the discussions on Open Science. In this article, we share our experience in building such a network to encourage ECRs in developing countries to start their own Open Science initiatives and engage in the global Open Science movement. We foresee great collaborative efforts of COSN together with all other local and international networks to further accelerate the Open Science movement.
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- 2023
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57. Allogeneic and Autologous Anti-CD7 CAR-T Cell Therapies in Relapsed or Refractory T Cell Malignancies
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Yinqiang Zhang, Chenggong Li, Mengyi Du, Huiwen Jiang, Wenjing Luo, Lu Tang, Yun Kang, Jia Xu, Zhuolin Wu, Xindi Wang, Zhongpei Huang, Di Wu, Alex Chang, Yu Hu, and Heng Mei
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Immunology ,Cell Biology ,Hematology ,Biochemistry - Abstract
Chimeric antigen receptor-T (CAR-T) therapy remains to be investigated in T-cell malignancies. CD7 is an ideal target for T-cell malignancies but is also expressed on normal T cells, which may cause CAR-T cell fratricide. Donor-derived anti-CD7 CAR-T cells using endoplasmic reticulum retention have shown efficacy in patients with T-cell acute lymphoblastic leukemia (ALL). Here we launched a phase I trial to explore differences between autologous and allogeneic anti-CD7 CAR-T therapies in T-cell ALL and lymphoma. Ten patients were treated and 5 received autologous CAR-T therapies. No dose-limiting toxicity or neurotoxicity was observed. Grade 1–2 cytokine release syndrome occurred in 7 patients, and grade 3 in 1 patient. Grade 1–2 graft-versus-host diseases were observed in 2 patients. Seven patients had bone marrow infiltration, and 100% of them achieved complete remission with negative minimal residual disease within one month. Two-fifths of patients achieved extramedullary or extranodular remission. The median follow-up was 6 (range, 2.7–14) months and bridging transplantation was not administrated. Patients treated with allogeneic CAR-T cells had higher remission rate, less recurrence and more durable CAR-T survival than those receiving autologous products. Allogeneic CAR-T cells appeared to be a better option for patients with T-cell malignancies.
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- 2022
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58. Oridonin represses epithelial-mesenchymal transition and angiogenesis of thyroid cancer via downregulating JAK2/STAT3 signaling
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Wei, Liu, Xindi, Wang, Le, Wang, Yu, Mei, Yanning, Yun, Xiaobao, Yao, Qian, Chen, Jinsong, Zhou, and Bo, Kou
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Gene Expression Regulation, Neoplastic ,STAT3 Transcription Factor ,Epithelial-Mesenchymal Transition ,Neovascularization, Pathologic ,Cell Movement ,Cell Line, Tumor ,Humans ,Thyroid Neoplasms ,General Medicine ,Janus Kinase 2 ,Diterpenes, Kaurane ,Cell Proliferation ,Signal Transduction - Abstract
Oridonin, a bioactive diterpenoid isolated from
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- 2022
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59. Cerebellar Ataxia with Anti-mGluR1 Auto-Antibody in a Pediatric Patient: A Case Report
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Hongyan Wang, Bin Yi, Meng Wang, Yadan Wang, Juan Fu, Xindi Wang, and Lei Cao
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- 2023
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60. Research on Performance Evaluation of IT Projects Based Value Management
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Xindi, Wang, Li, Chen, Fushen, Sheng, Zhang, Zhenji, editor, Zhang, Runtong, editor, and Zhang, Juliang, editor
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- 2013
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61. The Interval probabilistic double hierarchy linguistic EDAS method based on natural language processing basic techniques and its application to hotel online reviews
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Zeshui Xu, Xunjie Gou, and Xindi Wang
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Hierarchy ,business.industry ,Computer science ,Probabilistic logic ,Stability (learning theory) ,Computational intelligence ,Interval (mathematics) ,Semantics ,computer.software_genre ,Expression (mathematics) ,Linguistics ,Artificial Intelligence ,EDAS ,Computer Vision and Pattern Recognition ,Artificial intelligence ,business ,computer ,Software ,Natural language processing - Abstract
In recent years, double hierarchy linguistic expression models have developed rapidly in the field of decision making because their rich semantics are closer to people’s actual language environment. However, the existing double hierarchy linguistic expression models are difficult to deal with incomplete or missing information application situations. For example, online reviews provide some references for consumers to make decisions, but the information of many reviews is not necessarily complete. Therefore, we try to solve this problem and propose the concept of interval probabilistic double hierarchy linguistic term set (IP-DHLTS). At the same time, in order to ensure stability under different criteria weights, we choose to combine the EDAS method to obtain the average solution based on two measures. To sum up, we develop the interval probabilistic double hierarchy linguistic EDAS method and solve a real case with the natural language processing basic techniques about the hotel online reviews. Finally, the feasibility of the proposed method is verified by comparison with other methods.
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- 2021
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62. A Modified Single-Base Equivalent Imaging Algorithm for MEO Space-Missile Borne BiSAR
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Yun Zhang, Xindi Wang, Chenyue Lu, and Hongbo Li
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- 2022
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63. Author response for 'The Chinese Open Science Network (COSN): Building an Open Science Community From Scratch'
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null Haiyang Jin, null Qing Wang, null Yu-Fang Yang, null Han Zhang, null Mengyu (Miranda) Gao, null Shuxian Jin, null Yanxiu (Sharon) Chen, null Ting Xu, null Yuan-Rui Zheng, null Ji Chen, null Qinyu Xiao, null Jinbiao Yang, null Xindi Wang, null Haiyang Geng, null Jianqiao Ge, null Wei-Wei Wang, null Xi Chen, null Lei Zhang, null Xi-Nian Zuo, and null Hu Chuang-Peng
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- 2022
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64. Developmental validation of the Microreader™ RM-Y ID System: a new rapidly mutating Y-STR 17-plex system for forensic application
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Xiaowen Wei, Yuxiang Zhou, Shuangshuang Wang, Xindi Wang, Hao Dai, Ke Zhang, Haibo Luo, and Feng Song
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Male ,Genetics ,Mutation rate ,Chromosomes, Human, Y ,Biology ,DNA Fingerprinting ,humanities ,System a ,Pathology and Forensic Medicine ,Forensic science ,Chinese han population ,Haplotypes ,Species Specificity ,Mutation ,Humans ,Microsatellite ,Female ,Y-STR ,Microsatellite Repeats - Abstract
Y-chromosomal short tandem repeats (Y-STRs) are widely applied to evolutionary, genealogical, and kinship analyses of male linages in forensic studies, but these low to midrange mutated Y-STRs typically fail to separate related males from the same paternal lineage. Recently, rapidly mutating Y-STRs (RM Y-STRs) have been demonstrated to improve the differentiation of male relatives and individuals. The Microreader™ RM-Y ID System is a new RM Y-STR kit that is capable of simultaneously amplifying 17 RM Y-STRs. Herein, to verify the efficiency and accuracy of the Microreader™ RM-Y ID System, developmental validation was conducted, including PCR-based studies, sensitivity, stability, species specificity, mixture, stutter percentage, and precision studies. Full profiles could be obtained when the hematin concentration was 250 μM, humic acid concentration was 1500 ng/μl, and tannic acid concentration was 200 ng/μl. Full profiles of the mixture of males/males could be detected up to a ratio of 19:1, and full profiles of females/males could always be detected even at ratios up to 24,000:1. Moreover, the forensic characteristics of 250 DNA-confirmed father-son pairs were analysed. The results showed that these 17 RM Y-STRs had high power for forensic discrimination (HD = 1) in the Chinese Han population, and the mutation rates were in the range of 4 × 10−3 (95% CI 1.00 × 10−4 to 2.21 × 10−2, DYS464) to 8.8 × 10−2 (95% CI 5.60 × 10−2 to 1.30 × 10−1, DYF399S1), indicating that the kit was effective for RM Y-STR studies and absolute individualisation of interrelated male individuals.
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- 2021
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65. A continuous interval-valued double hierarchy linguistic GLDS method and its application in performance evaluation of bus companies
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Zeshui Xu, Xindi Wang, and Xunjie Gou
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Hierarchy ,Ranking ,Rule-based machine translation ,Artificial Intelligence ,Computer science ,Multiple-criteria decision analysis ,Set (psychology) ,Completeness (statistics) ,Expression (mathematics) ,Linguistics ,Term (time) - Abstract
The double hierarchy linguistic information is more close to people’s habits of expression and it can describe evaluation information more accurately, so it has been extensively utilized in multi-criteria decision-making (MCDM) problems in recent years. First of all, taking the advantage of the completeness of the double hierarchy linguistic information, this paper proposes the continuous interval-valued double hierarchy linguistic term set. It is vital that it not only can express more complex evaluation information but also can aggregate group opinions by continuous terms. At the same time, the gained and lost dominance score (GLDS) method is a outranking method that has emerged in recent years. It takes the perspective of individuals and groups more comprehensively, making the obtained ranking results more convincing and accurate. Therefore, we construct the GLDS method into the continuous interval-valued double hierarchy linguistic environment (named CIVDHL-GLDS method) based on the above considerations. Public transportation is an important part of urban transportation. A comprehensive and objective description of urban surface bus operation level is conductive to a more objective evaluation of urban traffic level. Afterwards, in order to justify its validity of our method, taking the performance evaluation of four subsidiaries of Chengdu Public Transport Group in Sichuan province as a case study. Finally, Some discussions and comparisons are provided to reveal our proposed method has some innovations and dominance.
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- 2021
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66. Paternal genetic structure of Kyrgyz ethnic group in China revealed by high‐resolution Y‐chromosome STRs and SNPs
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Mengyuan Song, Mingkun Xie, Haibo Luo, Feng Song, Xindi Wang, Hao Dai, and Yiping Hou
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Male ,China ,education.field_of_study ,Chromosomes, Human, Y ,Clinical Biochemistry ,Population ,Ethnic group ,Single-nucleotide polymorphism ,Biology ,Y chromosome ,Polymorphism, Single Nucleotide ,Biochemistry ,Haplogroup ,Analytical Chemistry ,Genetics, Population ,Haplotypes ,Evolutionary biology ,Genetic structure ,Ethnicity ,Humans ,Microsatellite ,education ,Microsatellite Repeats - Abstract
Kyrgyz ethnic group is one of the nomads in China, with the majority in Xinjiang and a small part of them living in Heilongjiang province. Historically, they have went through five migrations westward due to the wars. The name "Kyrgyz" means 40 tribes, originating from the primary groups of Kyrgyz. However, it is a largely understudied population, especially from the Y chromosome. In this study, we used a previously validated high-resolution Y-chromosome single nucleotide polymorphisms (Y-SNPs) and short tandem repeats (Y-STRs) system to study Kyrgyz ethnic group. A total of 314 male samples of Kyrgyz ethnic group were genotyped by 173 Y-SNPs and 27 Y-STRs. After data analysis, the results unveiled that Kyrgyz ethnic group was a population with high percentage of both haplogroup C2a1a3a1d∼-F10091 (91/134) and R1a1a1b2a2-Z2124 (109/134), which has never been reported. This implied that Kyrgyz ethnic group might have gone through bottleneck effects twice, with these two main lineages left. Mismatch analysis indicated that the biggest mismatch number in haplogroup C2a1a3a1d∼-F10091 was 10, while that of haplogroup R1a1a1b2a2-Z2124 was 20. This huge difference reflected the different substructure in two lineages, suggesting that haplogroup C2a1a3a1d∼-F10091 might have the least admixture compared to the other two lineages. After admixture modelling with other datasets, the conclusion could be drawn that Kyrgyz ethnic group had great genetic affinity with Punjabi from Lahore, Pakistan, which supported that Kyrgyz ethnic group in China was close to central Asian.
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- 2021
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67. A Joint User Scheduling and Trajectory Planning Data Collection Strategy for the UAV-Assisted WSN
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Xinyu Liu, Lei Deng, Fu Xiao, Xiaojing Chen, Xindi Wang, and Chi-Tsun Cheng
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Optimization problem ,Data collection ,business.industry ,Computer science ,Real-time computing ,Throughput ,Data loss ,Computer Science Applications ,Scheduling (computing) ,Modeling and Simulation ,Wireless ,ComputerSystemsOrganization_SPECIAL-PURPOSEANDAPPLICATION-BASEDSYSTEMS ,Electrical and Electronic Engineering ,business ,Joint (audio engineering) ,Wireless sensor network - Abstract
Unmanned aerial vehicles (UAVs) are usually dispatched as mobile sinks to assist data collection in large-scale wireless sensor networks (WSNs). However, when considering the limitations of UAV’s mobility and communication capabilities in a large-scale WSN, some sensor nodes may run out of storage space as they fail to offload their data to the UAV for an extended period of time. To minimize the data loss caused by the above issue, a joint user scheduling and trajectory planning data collection strategy is proposed in this letter, which is formulated as a non-convex optimization problem. The problem is further divided into two sub-problems and solved sequentially. Simulation results show that the proposed strategy is more effective in minimizing data loss rate than other strategies.
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- 2021
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68. Developing the Framework of Integrated Performance Management System for State-Owned Enterprises in China.
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Xindi Wang and Qingjie Zhang
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- 2006
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69. Inference of population structure and admixture proportion from Y chromosomal data of Chinese population
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Mengyuan Song, Xindi Wang, Chenxi Zhao, Xiaoqin Qian, Min Lang, Yiping Hou, and Feng Song
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Genetics, Population ,Chromosomes, Human, Y ,Asian People ,Clinical Biochemistry ,East Asian People ,Ethnicity ,Humans ,Biochemistry ,Analytical Chemistry - Abstract
In the past two decades, Y chromosome data has been generated for human population genetic studies. These Y chromosome datasets were produced with various testing methods and markers, thus difficult to combine them for a comprehensive analysis. In this study, we combine four human Y chromosomal datasets of Han, Tibetan, Hui, and Li ethnic groups. The dataset contains 27 microsatellites and 137 single nucleotide polymorphisms these populations share in common. We assembled a single dataset containing 2439 individuals from 25 nationwide populations in China. A systematic analysis of genetic distance and clustering was performed. To determine the gene flow of the studied population with worldwide populations, we modeled the ancestry informative markers. The reference panel was regarded as a mixture of South Asian (SAS), East Asian (EAS), European (EUR), African (AFR), and American (AMR) populations from 1000 Genomes data of Y chromosome using nonlinear data-fitting. We then calculated the admixture proportion of these four studied populations with 26 worldwide populations. The results showed that the Han and Hui have great genetic affinity, and Hui is the most admixed ethnic group, with 61.53% EAS, 34.65% SAS, 1.91% AFR, 1.56% AMR, and 0.04% EUR ancestry component (the AMR is highly admixed and thus should be ignored). All the other three ethnic groups contained more than 97% EAS ancestry component. The Li is the least admixed population in this study. The combined dataset in this study is the largest of this kind reported to date and proposes reference population data for use in future paternal genetic studies and forensic genealogical identification.
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- 2022
70. Fatal Infections Among Cancer Patients: A Population-Based Study in the United States
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Ze-Xian Liu, Xue Yang, Bian Wu, Yongqiang Zheng, Ying Chen, Yun Yang, Xindi Wang, Kaixu Yu, and Jiaxin Qian
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0301 basic medicine ,Microbiology (medical) ,education.field_of_study ,medicine.medical_specialty ,business.industry ,Incidence (epidemiology) ,Mortality rate ,030106 microbiology ,Population ,Cancer ,medicine.disease ,03 medical and health sciences ,0302 clinical medicine ,Infectious Diseases ,Internal medicine ,Relative risk ,Cohort ,Epidemiology ,medicine ,030212 general & internal medicine ,education ,business ,Cohort study - Abstract
Cancer patients are prone to infections, but the mortality of fatal infections remains unclear. Understanding the patterns of fatal infections in patients with cancer is imperative. In this study, we report the characteristics, incidence, and predictive risk factors of fatal infections among a population-based cancer cohort. A total of 8,471,051 patients diagnosed with cancer between 1975 and 2016 were retrospectively identified from the Surveillance, Epidemiology, and End Results (SEER) program. The primary outcome was dying from fatal infections. Mortality rates and standardized mortality ratios (SMRs) adjusted for age, sex, race, and calendar year were calculated to characterize the relative risks of dying from fatal infections and to compare with the general population. Furthermore, cumulative mortality rates and the Cox regression models were applied to identify predictive risk factors of fatal infections. In cancer patients, the mortality rate of fatal infections was 260.1/100,000 person-years, nearly three times that of the general population [SMR, 2.92; 95% (confidence interval) CI 2.91–2.94]. Notably, a decreasing trend in mortality rate of fatal infections was observed in recent decades. SMRs of fatal infections were highest in Kaposi sarcoma (SMR, 162.2; 95% CI 159.4–165.1), liver cancer (SMR, 30.9; 95% CI 30.0–31.8), acute lymphocytic leukemia (SMR, 19.1; 95% CI 17.0–21.4), and acute myeloid leukemia (SMR, 13.3; 95% CI 12.4–14.3). Patients aged between 20 and 39 years old exhibited a higher cumulative mortality rate in the first few years after cancer diagnosis, whereas the cumulative mortality rate of those > 80 years old was rapidly increasing and became the highest approximately 3 years post-cancer diagnosis. Predictive risk factors of dying from fatal infections in cancer patients were the age of 20–39 or > 80 years, male sex, black race, diagnosed with cancer before 2000, unmarried status, advanced cancer stage, and not receiving surgery and radiotherapy, but receiving chemotherapy. Cancer patients were at high risks of dying from infectious diseases. Certain groups of cancer patients, including those aged between 20 and 39 or > 80 years, as well as those receiving chemotherapy, should be sensitized to the risk of fatal infections.
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- 2021
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71. Influence of cutting parameters on cutting specific energy of Inconel718 based on strain gradient
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Zhaopeng Hao, Xindi Wang, and Yihang Fan
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Mechanical Engineering ,Industrial and Manufacturing Engineering - Abstract
In this paper, the Johnson-Cook constitutive model is modified by considering the influence of hard point such as TiC and NbC in the matrix of Inconel718 on the deformation stress. The theoretical model of cutting specific energy in the main deformation zone of Inconel718 is modified based on the new constitutive model by combining the strain gradient theory. The effect of different cutting parameters on cutting specific energy is studied, and the effect of cutting specific energy on cutting deformation and the resulting dimensional effect are also analyzed. The research results show that cutting specific energy increases with the increase of cutting speed. With the increase of cutting thickness, the cutting specific energy reduced, and the trend is non-linear. The change of undeformed chip thickness will cause size effect. The cutting specific energy increases with the reduction of the thickness of undeformed chip, and the impact of the thickness of undeformed chip on the cutting specific energy becomes smaller and smaller as the speed increases. The existence of hard points makes the main deformation zone generate a large amount of heat energy and deformation energy, which leads to dimensional effects and makes the material be more prone to adiabatic shear instability, then leads to the increase of cutting specific energy. With the increase of cutting specific energy, the width of adiabatic shear band is narrowed, the degree of serration is aggravated, and the chip morphology is closer to the experimental results.
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- 2023
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72. Infective endocarditis complicated by embolic events: Pathogenesis and predictors
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Xindi Wang, Guanhua Su, and Wangling Hu
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medicine.medical_treatment ,Embolism ,Reviews ,Review ,030204 cardiovascular system & hematology ,Bioinformatics ,Pathogenesis ,03 medical and health sciences ,0302 clinical medicine ,Troponin I ,medicine ,Humans ,In patient ,030212 general & internal medicine ,Embolization ,Mean platelet volume ,Endocarditis ,business.industry ,infective endocarditis ,pathogenesis ,General Medicine ,Endocarditis, Bacterial ,medicine.disease ,predictors ,Blood biomarkers ,Echocardiography ,Infective endocarditis ,Cardiology and Cardiovascular Medicine ,business ,Mean Platelet Volume - Abstract
Background Infective endocarditis (IE) continues to be associated with great challenges. Embolic events (EE) are frequent and life-threatening complications in IE patients. It remains challenging to predict and assess the embolic risk in individual patients with IE accurately. Hypothesis Accurate prediction of embolization is critical in the early identification and treatment of risky and potentially embolic lesions in patients with IE. Methods We searched the PubMed, Web of Science, and Google Scholar databases using a range of related search terms, and reviewed the literatures about the pathogenesis and embolic predictors of IE. Results The development of IE and its complications is widely accepted as the result of complex interactions between microorganisms, valve endothelium, and host immune responses. The predictive value of echocardiographic characteristics is the most powerful for EE. In addition, both easily obtained blood biomarkers such as C-reactive protein, mean platelet volume, neutrophil-to-lymphocyte ratio, anti-β2-glycoprotein I antibodies, D-Dimer, troponin I, matrix metalloproteinases, and several microbiological or clinical characteristics might be promising as potential predictors of EE. Conclusion Our review provides a synthesis of current knowledge regarding the pathogenesis and predictors of embolism in IE along with a review of potentially emerging biomarkers.
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- 2021
73. Advances in epitope molecularly imprinted polymers for protein detection: a review
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Qiong Jia, Xindi Wang, Pan Zhang, and Gang Chen
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chemistry.chemical_classification ,Polymers ,General Chemical Engineering ,General Engineering ,Molecularly imprinted polymer ,Proteins ,Peptide ,Sequence (biology) ,02 engineering and technology ,010402 general chemistry ,021001 nanoscience & nanotechnology ,01 natural sciences ,Combinatorial chemistry ,Epitope ,0104 chemical sciences ,Analytical Chemistry ,Molecular Imprinting ,Epitopes ,Molecularly Imprinted Polymers ,chemistry ,Covalent bond ,Chelation ,Target protein ,0210 nano-technology ,Peptide sequence - Abstract
Epitope molecularly imprinted polymers (EMIPs) are novel imprinted materials using short characteristic peptides as templates rather than entire proteins. To be specific, the amino acid sequence of the template peptide is the same as an exposed N- or C-terminus of a target protein, or its amino acid composition and sequence replicate a similar conformational arrangement as the same amino acid residues on the surface of the target protein. EMIPs have a good application prospect in protein research. Herein, we focus on classification of epitope imprinting techniques, methods of epitope immobilization on matrix materials including boronate affinity immobilization, covalent bonding immobilization, physical adsorption immobilization and metal ion chelation immobilization, and application of EMIPs in peptides, proteins, target imaging and target therapy fields. Finally, the main problems and future development are summarized.
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- 2021
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74. An $\omega$-Free Gyro-Free Accelerometer Pair Algorithm for 2D Trajectory Reconstruction
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Qingfeng Zhou, Xindi Wang, Xinyu Liu, Lisheng Fan, Chi-Tsun Cheng, and Jianjian Wu
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Computer Networks and Communications ,Computer science ,Work (physics) ,Aerospace Engineering ,Angular velocity ,Gyroscope ,Accelerometer ,law.invention ,Acceleration ,law ,Inertial measurement unit ,Automotive Engineering ,Trajectory ,Electrical and Electronic Engineering ,Algorithm - Abstract
In general, a two-dimensional (2D) moving trajectory can be reconstructed using data collected from a 6-axis IMU (inertial measurement unit), which consists of a 3-axis gyroscope and a 3-axis accelerometer. Since the power consumption of a gyroscope is significantly larger than that of an accelerometer, to be energy-efficient, it is more preferable to use two gyro-free IMUs as alternatives. The existing gyro-free trajectory reconstruction approach is an angular velocity (i.e. $\omega$ ) -based method. The design of an $\omega$ -free gyro-free approach remains as a research gap, which motivates this research work. In this paper, an $\omega$ -free accelerometer pair (OFAP) method is proposed, which can yield a lower accumulated error, has a lower power consumption, is more scalable, and can deliver the same trajectory reconstruction performance as the existing approach.
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- 2020
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75. BTK Inhibitors Improve CART19 Cell Therapy By Modulating Immune System
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Wenjing Luo, Chenggong Li, Jianghua Wu, Yinqiang Zhang, Lu Tang, Mengyi Du, Xindi Wang, Wei Xiong, Haiming Kou, Cong Lu, Heng Mei, and Yu Hu
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Immunology ,Cell Biology ,Hematology ,Biochemistry - Published
- 2022
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76. Bispecific CS1-BCMA CAR-T Cells Are Clinically Active in Relapsed or Refractory Multiple Myeloma: An Updated Clinical Study
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Chenggong Li, Xindi Wang, Zhuolin Wu, Wenjing Luo, Yinqiang Zhang, Yun Kang, Jia Xu, Zhongpei Huang, Mengyi Du, Lu Tang, Jianghua Wu, Danying Liao, Haiming Kou, Cong Lu, Huiwen Jiang, Qiuzhe Wei, Sha Ke, Jing'e Zheng, Wei Xiong, Jun Deng, Yu Hu, and Heng Mei
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Immunology ,Cell Biology ,Hematology ,Biochemistry - Published
- 2022
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77. Autophagy Facilitates Cancer-Intrinsic Evasion of CAR T Cell-Mediated Cytotoxicity in B-Cell Malignancies
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Heng Mei, Lu Tang, Huan Zhang, Fen Zhou, Mengyi Du, Jianghua Wu, Chenggong Li, Qiuzhe Wei, Wenjing Luo, Yinqiang Zhang, Xindi Wang, ZhaoZhao Chen, Jie Zhou, Zhuolin Wu, Zhongpei Huang, Yuxi Wen, Huiwen Jiang, Danying Liao, Haiming Kou, and Yu Hu
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Immunology ,Cell Biology ,Hematology ,Biochemistry - Published
- 2022
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78. Fatal renal diseases among patients with hematological malignancies: A population‐based study
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Xindi Wang, Sen Li, Xiaolan Gao, Kaixu Yu, Yun Yang, Bian Wu, Xue Yang, Yongqiang Zheng, Wenjing Luo, Ying Chen, and Xi Wang
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Population based study ,medicine.medical_specialty ,Standardized mortality ratio ,business.industry ,Internal medicine ,Medicine ,business - Abstract
Patients with hematological malignancies might be at high risk for renal diseases as evidenced by earlier studies. We aim to investigate the mortality and risk factors of deaths due to renal diseases in this population. A total of 831 535 patients diagnosed with hematological malignancies in the Surveillance, Epidemiology, and End Results (SEER) database in the United States from 1975 to 2016 were identified. Standardized mortality ratio (SMR) was evaluated based on the general population's mortality data gathered by the National Center for Health Statistics. The mortality rate associated with renal diseases was 94.22/100 000 person-years among patients with hematological malignancies (SMR = 3.59; 95% CI, 3.48-3.70]). The highest mortality rate of dying from renal diseases was observed among multiple myeloma (MM) patients (307.99/100 000 person-years; SMR = 7.98; 95% CI, 7.49-8.50), followed by those with chronic myeloid leukemia (142.57/100 000 person-years; SMR = 6.54; 95% CI, 5.63-7.60) and chronic lymphocytic leukemia (103.66/100 000 person-years; SMR = 2.51; 95% CI, 2.27-2.77). The SMRs increased with time and were found to be the highest 10 years after cancer diagnosis. Independent predictors associated with death from renal diseases were found to be older age, male gender, blacks, unmarried, and MM, using the Cox proportional hazards model. We call for enhanced coordinated multidisciplinary care between hematologists and nephrologists to reduce the mortality rate of renal diseases among patients with hematological malignancies.
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- 2020
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79. Science, advocacy, and quackery in nutritional books: an analysis of conflicting advice and purported claims of nutritional best-sellers
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Albert-László Barabási, Rebecca M. Marton, John P. A. Ioannidis, and Xindi Wang
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Consumption (economics) ,0303 health sciences ,medicine.medical_specialty ,business.industry ,General Arts and Humanities ,Public health ,education ,General Social Sciences ,Public relations ,Advice (programming) ,lcsh:Social Sciences ,lcsh:H ,03 medical and health sciences ,0302 clinical medicine ,Trustworthiness ,medicine ,Quackery ,Psychology ,business ,General Economics, Econometrics and Finance ,030217 neurology & neurosurgery ,General Psychology ,030304 developmental biology - Abstract
Nutritional decisions may be important for health, and yet identifying trustworthy sources of advice can be difficult to achieve. Many people turn to books for nutritional advice, making the contents of these books and the expertise of their authors relevant to public health. Here, the top 100 best-selling books were identified and assessed for both the claims they make in their summaries and the credentials of the authors. Weight loss was a common theme in the summaries of nutritional best-selling books. In addition to weight loss, 31 of the books promised to cure or prevent a host of diseases, including diabetes, heart disease, cancer, and dementia; however, the nutritional advice given to achieve these outcomes varied widely in terms of which types of foods should be consumed or avoided and this information was often contradictory between books. Recommendations regarding the consumption of carbohydrates, dairy, proteins, and fat in particular differed greatly between books. To determine the qualifications of each author in making nutritional claims, the highest earned degree and listed occupations of each author was researched and analyzed. Out of 83 unique authors, 33 had an M.D. or Ph.D degree. Twenty-eight of the authors were physicians, three were dietitians, and other authors held a wide range of jobs, including personal trainers, bloggers, and actors. Of 20 authors who had or claimed university affiliations, seven had a current university appointment that could be verified online in university directories. This study illuminates the range of the incongruous information being dispersed to the public and emphasizes the need for future efforts to improve the dissemination of sound nutritional advice.
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- 2020
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80. Mapping consistent, reproducible, and transcriptionally relevant functional connectome hubs of the human brain
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Tengda Zhao, Xindi Wang, Xuhong Liao, Mingrui Xia, Zhilei Xu, and Yong He
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medicine.anatomical_structure ,Extant taxon ,Network communication ,medicine ,Connectome ,Robustness (evolution) ,Functional connectome ,Cognition ,Human brain ,Biology ,Neuropeptide signaling pathway ,Neuroscience - Abstract
Macroscopic functional connectomic analyses have identified sets of densely connected regions in the human brain, known as connectome hubs, which play a vital role in understanding network communication, cognitive processing, and brain disorders. However, anatomical locations of functional connectome hubs are largely inconsistent and less reproducible among extant reports, partly due to inadequate sample size and differences in image processing and network analysis. Moreover, the genetic signatures underlying the robust connectome hubs remain unknown. Here, we conduct the first worldwide voxelwise meta-connectomic analysis by pooling resting-state functional MRI data of 5,212 healthy young adults across 61 independent international cohorts with harmonized image processing and network analysis protocols. We identify highly consistent and reproducible functional connectome hubs that are spatially distributed in multiple heteromodal and unimodal regions, with the most robust findings mainly located in lateral parietal regions. These connectome hubs show unique, heterogeneous connectivity profiles and are critical for both intra- and inter-network communications. Using transcriptome data from the Allen Human Brain Atlas and BrainSpan Atlas as well as machine learning, we demonstrate that these robust hubs are significantly associated with a transcriptomic pattern dominated by genes involved in the neuropeptide signaling pathway, neurodevelopmental processes, and cellular metabolic processes. This pattern represents microstructural and metabolic substrates underlying the development and functioning of brain hubs. Together, these results highlight robustness of macroscopic connectome hubs of the human brain and their potential cellular and molecular underpinnings and have implications for understanding how brain hubs support the connectome organization in health and disease.
- Published
- 2021
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81. Corrigendum to 'Combination of microwave heating and transglutaminase cross-linking enhances the stability of limonene emulsion carried by whey protein isolate' [Food Bioscience 47 (2022) 101684]
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Akhunzada Bilawal, Xindi Wang, Kwang-Chol Oh, Abdul Qayum, Munkh-Amgalan Gantumur, Zhanmei Jiang, and Juncai Hou
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Biochemistry ,Food Science - Published
- 2022
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82. Longitudinal assessment of network reorganizations and language recovery in postoperative patients with glioma
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Binke Yuan, Nan Zhang, Fangyuan Gong, Xindi Wang, Jing Yan, Junfeng Lu, and Jinsong Wu
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Cellular and Molecular Neuroscience ,Psychiatry and Mental health ,Neurology ,Biological Psychiatry - Abstract
For patients with glioma located in or adjacent to the linguistic eloquent cortex, awake surgery with an emphasis on the preservation of language function is preferred. However, the brain network basis of postoperative linguistic functional outcomes remains largely unknown. In this work, 34 patients with left cerebral gliomas who underwent awake surgery were assessed for language function and resting-state network properties before and after surgery. We found that there were 28 patients whose language function returned to at least 80% of the baseline scores within 3 months after surgery or to 85% within 6 months after surgery. For these patients, the spontaneous recovery of language function synchronized with changes within the language and cognitive control networks, but not with other networks. Specifically, compared with baseline values, language functions and global network properties were the worst within 1 month after surgery and gradually recovered within 6 months after surgery. The recovery of connections was tumour location dependent and was attributed to both ipsihemispheric and interhemispheric connections. In contrast, for six patients whose language function did not recover well, severe network disruptions were observed before surgery and persisted into the chronic phase. This study suggests the synchronization of functional network normalization and spontaneous language recovery in postoperative patients with glioma.
- Published
- 2021
83. Fault Diagnosis of Aeroengine Ball Bearing Skid Using Adaptive Threshold
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Lingfei Xiao, Bin Jiang, Wang Zhang, and Xindi Wang
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Ball bearing ,Skid (automobile) ,business.industry ,law ,Structural engineering ,Fault (power engineering) ,business ,Geology ,law.invention - Published
- 2021
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84. Joint User Scheduling, Power Configuration and Trajectory Planning Strategy for UAV-Aided WSNs.
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XINDI WANG, XINYU LIU, JIANJIAN WU, WEI JU, XIAOJING CHEN, and LING SHEN
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WIRELESS sensor networks ,DRONE aircraft ,TELECOMMUNICATION systems ,SCHEDULING ,MOUNTAIN forests - Abstract
The future sixth-generation (6G) communication system is promising to provide differentiated communication services for massive users worldwide. To achieve this goal, wireless sensor networks (WSNs), regarded as the critical component of the 6G system, will be widely deployed in large-scale non-urban areas such as mountain villages, forests, and oceans. To ensure the high efficiency and stability of WSNs without the support of ground facilities, unmanned aerial vehicles (UAVs) are dispatched to provide assistance for WSNs. Nevertheless, considering the limitations of both the mobility and communication capability of UAVs, the diversified communication demands pose huge challenges for UAV-aided WSNs in large-scale application scenarios, such as how to schedule the SNs served in each time slot, how to optimize their working parameters, and how to plan the UAV trajectory. Therefore, a joint user scheduling, power configuration, and trajectory planning strategy is proposed in this article, which is formulated as an optimization problem suffering from non-convexity and complication. The successive optimization scheme is adopted here to efficiently solve this problem, which divides the original problem into three sub-problems and solves them iteratively. The simulation results prove the effectiveness and efficiency of the proposed strategy. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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85. Success in books: predicting book sales before publication
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Onur Varol, Xindi Wang, Albert-László Barabási, Burcu Yucesoy, and Tina Eliassi-Rad
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Literary fiction ,History ,business.industry ,media_common.quotation_subject ,Success ,Books ,Advertising ,Leisure activity ,06 humanities and the arts ,02 engineering and technology ,060202 literary studies ,lcsh:Computer applications to medicine. Medical informatics ,Computer Science Applications ,Computational Mathematics ,Publishing ,020204 information systems ,Modeling and Simulation ,Reading (process) ,0602 languages and literature ,Learning to place ,0202 electrical engineering, electronic engineering, information engineering ,lcsh:R858-859.7 ,Affect (linguistics) ,business ,media_common - Abstract
Reading remains a preferred leisure activity fueling an exceptionally competitive publishing market: among more than three million books published each year, only a tiny fraction are read widely. It is largely unpredictable, however, which book will that be, and how many copies it will sell. Here we aim to unveil the features that affect the success of books by predicting a book’s sales prior to its publication. We do so by employing the Learning to Place machine learning approach, that can predicts sales for both fiction and nonfiction books as well as explaining the predictions by comparing and contrasting each book with similar ones. We analyze features contributing to the success of a book by feature importance analysis, finding that a strong driving factor of book sales across all genres is the publishing house. We also uncover differences between genres: for thrillers and mystery, the publishing history of an author (as measured by previous book sales) is highly important, while in literary fiction and religion, the author’s visibility plays a more central role. These observations provide insights into the driving forces behind success within the current publishing industry, as well as how individuals choose what books to read.
- Published
- 2019
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86. Compressive Sensing-Based Data Aggregation Approaches for Dynamic WSNs
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Jun Tong, Xindi Wang, Yuantao Gu, and Qingfeng Zhou
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Optimization problem ,Computer science ,Node (networking) ,Order (ring theory) ,020206 networking & telecommunications ,02 engineering and technology ,Energy consumption ,Join (topology) ,Topology ,Computer Science Applications ,Data aggregator ,Matrix (mathematics) ,Compressed sensing ,Modeling and Simulation ,0202 electrical engineering, electronic engineering, information engineering ,Electrical and Electronic Engineering ,Wireless sensor network - Abstract
Among various data aggregation approaches proposed for wireless sensor networks (WSNs), the one based on compressive sensing (CS) has the merit of low traffic cost. The key step to design a CS-based data aggregation protocol is to construct a measurement matrix ${\Phi }$ based on the network structure and to assign each node a unique column vector of ${\Phi }$ . Assuming an expanded scenario, where some new nodes join in the network, the data aggregation scheme has to entirely re-generate a new matrix ${\Phi ^{\prime }}$ with a larger size to meet the node number and CS property simultaneously. Apparently, it is energy-consuming to reallocate the weight vectors from the new measurement matrix to all the nodes. Thus, we propose an approach which aims to keep the weight vectors of existing sensors unchanged but assign only optimized measurement vectors to the newly added nodes. In order to solve the relevant non-convex optimization problem, two efficient methods with good data aggregation performance are proposed. Numeric experiments validate the effectiveness of our proposed methods.
- Published
- 2019
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87. A UAV-assisted topology-aware data aggregation protocol in WSN
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Qingfeng Zhou, Chi-Tsun Cheng, and Xindi Wang
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Computer science ,Distributed computing ,010102 general mathematics ,Physical layer ,Word error rate ,020206 networking & telecommunications ,Topology (electrical circuits) ,02 engineering and technology ,01 natural sciences ,Data aggregator ,Compressed sensing ,Broadcasting (networking) ,0202 electrical engineering, electronic engineering, information engineering ,0101 mathematics ,Electrical and Electronic Engineering ,Protocol (object-oriented programming) ,Wireless sensor network - Abstract
This paper studies an unmanned aerial vehicles (UAV) based data aggregation of wireless sensor networks (WSNs). Data aggregation approaches based on Compressive Sensing (CS) enjoy the benefits of having their traffic volume reduced. However, existing CS-based data aggregation schemes have drawbacks, such as errors in data reconstruction process and the large overheads in regenerating and broadcasting feasible measurement matrices when the network is scaled up. To this end, we propose a topology-aware data aggregation (TADA) protocol, which preserves the advantages of CS-based schemes while alleviating the aforementioned issues. Extensive performance comparisons demonstrate that the data reconstruction error rate of TADA is much lower than other CS-based schemes under test. More important, for most WSN applications, since the underlying physical layer prefers frames with small payloads, the proposed TADA utilizes less transmissions from sensors to UAV in each round of data aggregation, and thus can yields a lower energy consumption.
- Published
- 2019
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88. Reducing stray corrosion in jet electrochemical milling by adjusting the jet shape
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Xindi Wang, Xiaolong Fang, and Ningsong Qu
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0209 industrial biotechnology ,Jet (fluid) ,Materials science ,Nozzle ,Metals and Alloys ,02 engineering and technology ,Electrolyte ,Edge (geometry) ,Industrial and Manufacturing Engineering ,Cathode ,Computer Science Applications ,Corrosion ,law.invention ,020303 mechanical engineering & transports ,020901 industrial engineering & automation ,0203 mechanical engineering ,law ,Modeling and Simulation ,Ceramics and Composites ,Composite material ,Current density ,Groove (music) - Abstract
Jet electrochemical (Jet-EC) milling, using a movable nozzle as the cathode, can fabricate complicated structures flexibly. With the dissolution restricted to a limited area by the electrolyte jet, high removal localization and good surface quality can be obtained. However, the edge of the machined groove is usually subject to stray corrosion because of the low current density in the edge area. In this paper, it is confirmed that the jet shape, which is determined by the working parameters, has a notable influence on the edge condition. Through experiments and analysis, the interrelation between the working parameters, jet shape and edge condition in Jet-EC groove milling is established. It is found that the stray corrosion on the edge can be reduced significantly by adjusting the jet shape, and the necessary conditions to completely eliminate the stray corrosion are established. Furthermore, based on the conclusions, a groove with both a sharp edge and a smooth surface is fabricated via a two-pass process. A deep groove (1.208 mm) with a sharp edge is produced via multiple-pass milling with downward cathode feeding.
- Published
- 2019
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89. V-Matrix-Based Scalable Data Aggregation Scheme in WSN
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Jun Tong, Xindi Wang, and Qingfeng Zhou
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General Computer Science ,data aggregation ,Computer science ,Distributed computing ,General Engineering ,020302 automobile design & engineering ,020206 networking & telecommunications ,02 engineering and technology ,Energy consumption ,Network topology ,Data aggregator ,0203 mechanical engineering ,measurement matrix ,Sensor node ,Scalability ,0202 electrical engineering, electronic engineering, information engineering ,General Materials Science ,lcsh:Electrical engineering. Electronics. Nuclear engineering ,Wireless sensor network ,lcsh:TK1-9971 ,vandermonde matrix - Abstract
Data aggregation is one of the most important functions provided by wireless sensor networks (WSNs). Among a variety of data aggregation schemes, the coding-based approaches (such as Compressive sensing (CS) and other similar programs) can significantly reduce traffic quantity by encoding the raw sensed data using weight vectors. The critical feature to design a coding-based data aggregation protocol is to construct a weight/measurement matrix for the application scenario. After that, the sink node assigns the column of the matrix, which is treated as the weight vector during the encoding process, to each sensor node respectively. However, for a dynamic scenario where the number of sensor nodes changes frequently, the existing approaches have to reconfigure the network by regenerating the measurement matrix and allocating the new weight vectors for all the existing nodes, which causes a considerable energy consumption and affects the regular monitoring tasks. To solve this problem, we propose a Vandermonde matrix-based scalable data aggregation protocol (VSDA) , which preserves the advantages of coding-based schemes and addresses the issues mentioned above. In VSDA , as new nodes join into the scaled-up network, the original weight vectors owned by the original nodes do not need to regenerate the weight vectors entirely but add some new entries by itself at all. It outperforms the existing schemes by saving the energy in network scaling-up. Besides, we propose a concise hardware framework to quantify the data encoding process of VSDA , which provides a performance analysis process that is closer to practical application. The numeric tests validate the performance of VSDA compared with the existing schemes in several aspects, such as, the number of transmissions, energy consumption, and storage space showing the outperformance of VSDA scheme.
- Published
- 2019
90. MIMO Signal Multiplexing and Detection Based on Compressive Sensing and Deep Learning
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Kaiping Chen, Qingfeng Zhou, Xindi Wang, and Chanzi Liu
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multiplexing ,General Computer Science ,business.industry ,Computer science ,Deep learning ,MIMO ,General Engineering ,deep learning ,Compressive sensing ,Communications system ,Signal ,Multiplexing ,Signal multiplexing ,Compressed sensing ,Electronic engineering ,Bit error rate ,General Materials Science ,lcsh:Electrical engineering. Electronics. Nuclear engineering ,Artificial intelligence ,business ,lcsh:TK1-9971 ,sparse signal ,dictionary ,Computer Science::Information Theory - Abstract
We propose a novel signal multiplexing and detection method for multiple-input multiple-output (MIMO) communication systems, especially when the number of transmitting and receiving antennas is limited. Inspired by the idea of Compressive Sensing (CS) which can recover a given signal vector from a vector of measurements with less dimensions, our proposed CS-based multiplexing scheme can deliver a modulated data vector with length l via a MIMO system with fewer transmitting/receiving antennas than l , offering higher multiplexing gain. On the receiving side, our proposed detection scheme has two steps, which resort the BCS algorithm and a Deep-Learning algorithm to recover the original modulated data vector. Analytical and simulation results show that the proposed multiplexing and detection method can achieve larger multiplexing gain while reserving good bit error rate (BER), offering a novel research paradigm to improve the utility rate of multiple antennas.
- Published
- 2019
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- View/download PDF
91. Eliminating spikes by optimizing machining parameters in electrochemical drilling
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Ningsong Qu, Yuhang Zhang, Xindi Wang, and Fang Xiaolong
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0209 industrial biotechnology ,Materials science ,Drill ,Strategy and Management ,Flow (psychology) ,Titanium alloy ,02 engineering and technology ,Management Science and Operations Research ,021001 nanoscience & nanotechnology ,Durability ,Industrial and Manufacturing Engineering ,020901 industrial engineering & automation ,Machining ,Electrode ,Composite material ,0210 nano-technology ,Low voltage ,Voltage - Abstract
Electrochemical drilling (ECD) is an important method for producing small holes in difficult-to-machine materials such as titanium alloys and nickel-based alloys. However, the hollow tube shape often generates spikes at the hole bottoms, and these significantly influence the flow uniformity, machining accuracy, and process stability. This paper considers the hole bottom to be spiked, flat, or pitted depending on the equilibrium gap, which can be controlled with the machining parameters of applied voltage and electrode feed rate. Consequently, the spikes can be eliminated with a suitable choice of machining parameters. An electric-field model of ECD is established and the dynamic shaping of holes is simulated. This reveals that the machining parameters affect the equilibrium gap, whereupon the hole bottom shape is determined. Experiments verify the simulation results, and the relationships between the machining parameters (applied voltage and electrode feed rate) and (i) the equilibrium gap and (ii) the bottom shape are plotted. It is found that a low voltage with a high feed rate generates a small gap and a spiked bottom, whereas a high voltage with a low feed rate produces a large gap and a flat or pitted bottom. Finally, three typical parameter groups are selected with which to drill through holes. The machining-current signals at the moment of hole punching and the tool durability indicate that the ECD stability without a spike is better than that with a spike. Optimal parameters are beneficial for eliminating spikes and enhancing the ECD process performance.
- Published
- 2019
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- View/download PDF
92. Validation of the AGCU Expressmarker 20 + 20Y kit: A 6-dye multiplex assay for forensic application
- Author
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Xiaowen, Wei, Feng, Song, Xindi, Wang, Shuangshuang, Wang, Lanrui, Jiang, Ke, Zhang, Yuxiang, Zhou, Zefei, Wang, Miao, Liao, Lagabaiyila, Zha, and Haibo, Luo
- Subjects
Male ,Amelogenin ,Species Specificity ,Humans ,Female ,DNA ,DNA Fingerprinting ,Law ,Microsatellite Repeats ,Pathology and Forensic Medicine - Abstract
The AGCU Expressmarker 20 + 20Y Kit is a newly devised short tandem repeat (STR) multiplex system that simultaneously analyses a set of 19 autosomal STR loci, 20 Y chromosomal STR loci and the amelogenin locus with six-dye fluorescent labelling. Here, the AGCU Expressmarker 20 + 20Y system was validated following the guidelines published by the Scientific Working Group on DNA Analysis Methods (SWGDAM), including PCR-condition, sensitivity, mixtures, species specificity, models of inhibition, precision, stutter percentage, concordance, population genetic studies, performance on three kinds of degraded DNA and a type of casework samples. The results indicated that the kit had high sensitivity when there was a small amount of DNA (0.0625 ng), more than one male (minor: major=1:19), or a mixture of males and females (male: female=1:32), models of inhibition (250 μM hematin, 1500 ng/μL humic acid and more than 100 ng/μL tannic acid) and degraded samples. The kit showed high precision level with standard deviation of allele size no more than 0.0930. Furthermore, this system was also tested in 444 random male samples of Chinese Han and Hui population, showing its high discrimination capability in Han and Hui population. Meanwhile, the system was applicable to the case of the AMELY abnormality. In short, the kit was verified and proved to be a robust, reliable and suitable tool for human identification and casework samples.
- Published
- 2022
- Full Text
- View/download PDF
93. Yesprit and Yeaseq: Applications for designing primers and browsing sequences for research using the four Schizosaccharomyces species
- Author
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Ziyue Liu, Tomoyasu Sugiyama, Ronghui Lou, Xindi Wang, Ruoming Xu, and Yichen Wang
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biology ,Gene targeting ,Bioengineering ,Computational biology ,biology.organism_classification ,Applied Microbiology and Biotechnology ,Biochemistry ,Polymerase Chain Reaction ,Yeast ,law.invention ,Protein sequencing ,law ,Schizosaccharomyces pombe ,Gene Targeting ,Schizosaccharomyces ,Genetics ,Primer (molecular biology) ,Gene ,Polymerase chain reaction ,Biotechnology - Abstract
The polymerase chain reaction (PCR)-based gene targeting method, which can delete a specific gene or introduce tags, has been widely utilized to study gene function in fission yeast. One of the critical steps in this method is to design primers for amplifying DNA fragments of deletion or tagging modules and for checking the integration of those DNA fragments at designated loci. Although the primer design tool Pombe PCR Primer Program (PPPP) is available for Schizosaccharomyces pombe, there is no such publicly available application for the other three fission yeast species, S. cryophilus, S. japonicus, and S. octosporus. Likewise, no application enabling DNA/protein sequence retrieval for these three fission yeast species is available either. Therefore, access to such functionality would substantially assist in retrieval of gene sequences of interest and primer design in these fission yeast species. In this report, we describe two applications for fission yeast study: Yesprit and Yeaseq. Yesprit is a primer design tool for strain construction using the PCR-based method, and Yeaseq is a sequence viewer that can acquire the DNA/protein sequences of specific genes. Both tools can be run on the Windows, macOS, and Linux platforms. We believe that the Yesprit and Yeaseq will facilitate research using the four fission yeast species.
- Published
- 2021
94. Mechanism of 6061 Aluminium Material Erosion in USEMM
- Author
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WENJUN TONG, Kailei He, Xindi Wang, Xuefeng Xu, and Minghuan Wang
- Abstract
Micro-structure on metal surface can be created with high precision and good surface quality by ultrasonic-assisted electrochemical micromachining (USEMM). One of the prevalent material removal mechanisms in ultrasonic machining (UM) is cavitation erosion. However, the mechanism of material erosion is not clear and worth investigating. This study of the mechanical and chemical effects of the ultrasonic vibration in 6061 aluminium alloy is targeted to reveal the material processing mechanism in USEMM. Based on the built model, the velocity of micro-jet produced near the workpiece surface by ultrasonic cavitation reaches up to 350 m/s when bubble collapses computed by software MATLAB. The impact of micro jet produces plastic micro-pits on the metal surface and the convex peak around the edge of the pits, which is verified in ABAQUS software. The metallographic microscope and curves of the electrochemical polarization behaviour results indicate a significant grain refinement and a marked increase of anodic dissolution current, as well as a weaker resistance than the original workpiece in NaNO3 electrolyte during UM. The current-time curve during machining demonstrates the passive layer forms on the metal surface and then breaks down at the time of less than 0.0066s in USEMM. Micrographs of scanning electron microscope (SEM) of the machined surface in different stages show that many uniform and flat pits are formed in USEMM, compared with the local uneven pits in EMM.
- Published
- 2021
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95. Effects of CT Combined with Modified Qinfan Decoction on Improving Sores and Promoting Angiogenesis.
- Author
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Xindi Wang, Jing Wang, and Wenbo Xie
- Abstract
In order to explore the clinical treatment of severe acne, this paper proposed the effect of CTtechnology combined with modified qinfan decoction on improving sores and promoting angiogenesis. From October 2016 to November 2017, 69 patients with severe acne treated in the first traditional Chinese medicine hospital of a city were selected for retrospective analysis. The 69 patients were randomly divided into control group and treatment group. There were 34 patients in the control group and 35 patients in the treatment group. Patients in the control group were treated with VSD. Patients in the treatment group were treated with qinfan decoction combined with VSD. Then, the total effective rate, the time of clinical symptom improvement, the time when the new granulation began to grow, and the time when the sore surface area was reduced by 1/2 were compared between the two groups. The results showed that after treatment, the total effective rate of the treatment group was higher than that of the control group. The time for the improvement of clinical symptoms, the time for the growth of new granulation, and the time for the reduction of the sore surface area by 1/2 were shorter than those of the control group, and the healing rate of the sore surface was higher than that of the control group (P < 0.05). Qinfan decoction combined with negative pressure sealing drainage technology has a significant effect on the treatment of severe acne and can promote its rehabilitation. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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96. A collaborative resource platform for non-human primate neuroimaging
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Rogier B. Mars, Benjamin Jung, Ting Xu, Cirong Liu, R. Austin Benn, Jordy Tasserie, Henry C. Evrard, Adam Messinger, Steven Giavasis, Michael P. Milham, Kep Kee Loh, Bastien Cagna, Pamela Garcia-Saldivar, Daniel R. Glen, Marcello G. P. Rosa, Lynn Uhrig, Jakob Seidlitz, Hugo Merchant, Rakshit Dadarwal, Xindi Wang, Paul A. Taylor, Eduardo A. Garza-Villarreal, Nikoloz Sirmpilatze, Caleb Sponheim, P. Christiaan Klink, Claude Lepage, Renée Hartig, Roberto Toro, Daniel S. Margulies, Katja Heuer, Julien Sein, Piotr Majka, Fondation pour la recherche médicale (Francia), Fondation de France (Francia), Human Brain Project, Biotechnology and Biological Sciences Research Council (Reino Unido), Wellcome Trust, National Institute of Mental Health (NIMH), German Primate Center - Deutsches Primatenzentrum -- Leibniz Insitute for Primate Research -- [Göttingen, Allemagne] (GPC - DPZ), Georg-August-University = Georg-August-Universität Göttingen, Max Planck Institute for Human Cognitive and Brain Sciences [Leipzig] (IMPNSC), Max-Planck-Gesellschaft, Centre de Recherche Interdisciplinaire / Center for Research and Interdisciplinarity [Paris, France] (CRI), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Institut de Neurosciences de la Timone (INT), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), Institute of Language, Communication and the Brain (ILCB), Wellcome Trust Centre for Integrative Neuroimaging (WIN - FMRIB), University of Oxford, Donders Institute for Brain, Cognition and Behaviour, Radboud University [Nijmegen], Child Mind Institute, Brown University, Children’s Hospital of Philadelphia (CHOP ), University of Pennsylvania, Génétique humaine et fonctions cognitives - Human Genetics and Cognitive Functions (GHFC (UMR_3571 / U-Pasteur_1)), Institut Pasteur [Paris] (IP)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Universidad Nacional Autónoma de México = National Autonomous University of Mexico (UNAM), University of Chicago, Montreal Neurological Institute and Hospital, McGill University = Université McGill [Montréal, Canada], Centro Nacional de Investigaciones Cardiovasculares Carlos III [Madrid, Spain] (CNIC), Instituto de Salud Carlos III [Madrid] (ISC), University of Tübingen, Max Planck Institute for Biological Cybernetics, Nathan S. Kline Institute for Psychiatric Research (NKI), New York State Office of Mental Health, Chinese Academy of Sciences [Beijing] (CAS), University Medical Center [Mainz], University of Pittsburgh (PITT), Pennsylvania Commonwealth System of Higher Education (PCSHE), Nencki Institute of Experimental Biology, Polska Akademia Nauk = Polish Academy of Sciences (PAN), Monash University [Clayton], Service NEUROSPIN (NEUROSPIN), Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Neuroimagerie cognitive - Psychologie cognitive expérimentale (UNICOG-U992), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Saclay, Centre Neurosciences intégratives et Cognition (INCC - UMR 8002), Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Netherlands Institute for Neuroscience (NIN), Royal Netherlands Academy of Arts and Sciences (KNAW), This research was supported in part by the Intramural Research Program of the NIMH and utilized the computational resources of the NIH HPC Biowulf cluster (http://hpc.nih.gov). Pypreclin work was supported by the Fondation pour la Recherche Medicale (FRM grant number ECO20160736100 to JT), Fondation de France, Human Brain Project (Corticity project). RT and KH are supported by ANR-19-DATA-0025-01 NeuroWebLab. RBM is supported by the Biotechnology and Biological Sciences Research Council (BBSRC) UK [BB/N019814/1]. The Wellcome Centre for Integrative Neuroimaging is supported by core funding from the Wellcome Trust [203129/Z/16/Z]., ANR-19-DATA-0025,NeuroWebLab,Un laboratoire de neuroscience collectif: Au delà de FAIR(2019), Fondation pour la recherche médicale, Fondation de France, Biotechnology and Biological Sciences Research Council (United Kingdom), University of Göttingen - Georg-August-Universität Göttingen, Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP), University of Oxford [Oxford], Radboud university [Nijmegen], University of Pennsylvania [Philadelphia], Institut Pasteur [Paris]-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Universidad Nacional Autónoma de México (UNAM), Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Saclay (COmUE)-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Loh, Kep Kee, and Un laboratoire de neuroscience collectif: Au delà de FAIR - - NeuroWebLab2019 - ANR-19-DATA-0025 - DONNEES - VALID
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Primates ,Computer science ,Cognitive Neuroscience ,[SDV]Life Sciences [q-bio] ,Neuroimaging ,Online Systems ,050105 experimental psychology ,lcsh:RC321-571 ,Access to Information ,Diffusion ,03 medical and health sciences ,0302 clinical medicine ,Resource (project management) ,Structural ,Pipeline ,Animals ,0501 psychology and cognitive sciences ,MESH: Animals ,MESH: Neuroimaging ,lcsh:Neurosciences. Biological psychiatry. Neuropsychiatry ,Non human primate ,Functional ,Action, intention, and motor control ,Resource sharing ,05 social sciences ,Data science ,MESH: Online Systems ,MESH: Access to Information ,[SDV] Life Sciences [q-bio] ,MESH: Primates ,Neurology ,Open science ,Toolbox ,030217 neurology & neurosurgery - Abstract
Neuroimaging non-human primates (NHPs) is a growing, yet highly specialized field of neuroscience. Resources that were primarily developed for human neuroimaging often need to be significantly adapted for use with NHPs or other animals, which has led to an abundance of custom, in-house solutions. In recent years, the global NHP neuroimaging community has made significant efforts to transform the field towards more open and collaborative practices. Here we present the PRIMatE Resource Exchange (PRIME-RE), a new collaborative online platform for NHP neuroimaging. PRIME-RE is a dynamic community-driven hub for the exchange of practical knowledge, specialized analytical tools, and open data repositories, specifically related to NHP neuroimaging. PRIME-RE caters to both researchers and developers who are either new to the field, looking to stay abreast of the latest developments, or seeking to collaboratively advance the field . Pypreclin work was supported by the Fondation pour la Recherche Medicale (FRM grant number ECO20160736100 to JT), Fondation de France, Human Brain Project (Corticity project). RT and KH are supported by ANR-19-DATA-0025-01 NeuroWebLab. RBM is supported by the Biotechnology and Biological Sciences Research Council (BBSRC) UK [BB/N019814/1]. The Wellcome Centre for Integrative Neuroimaging is supported by core funding from the Wellcome Trust [203129/Z/16/Z]. Sí
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- 2021
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97. The development and initial evaluation of referral flowchart for suspected neuroblastoma for pediatricians in nononcology clinics in China
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Dawei Zhang, Kun Li, Xiaoxia Peng, Siyu Cai, Xiaoli Ma, Xindi Wang, Chiyi Jiang, Chao Duan, Mei Jin, Xiaoman Wang, and Zhi-Xia Yue
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Male ,Pediatrics ,medicine.medical_specialty ,China ,Delayed Diagnosis ,Referral ,Adolescent ,Age at diagnosis ,Delayed diagnosis ,03 medical and health sciences ,chemistry.chemical_compound ,Neuroblastoma ,0302 clinical medicine ,Primary outcome ,Software Design ,Statistical significance ,Overall survival ,Medicine ,Humans ,Vanillylmandelic acid ,Pediatricians ,Child ,Referral and Consultation ,business.industry ,Suspected neuroblastoma ,Infant ,Hematology ,Oncology ,chemistry ,030220 oncology & carcinogenesis ,Child, Preschool ,Pediatrics, Perinatology and Child Health ,Female ,business ,030215 immunology - Abstract
Background The delayed diagnosis of neuroblastoma (NB) is common in China, which results in the prognosis of NB in China lagging behind that in developed countries. Methods A referral flowchart for suspected NB was implemented in nononcology clinics at Beijing Children's Hospital (BCH). Patients with symptoms of suspected NB were referred from nononcology clinics in BCH to oncology clinics and confirmed NB cases were regarded as referral group. The control group comprised patients initially diagnosed with NB who came directly to oncology clinics in BCH from other regions nationwide. The age at NB diagnosis was compared as primary outcome, and the 5-year overall survival (OS) and event-free survival (EFS) were compared via the Kaplan-Meier method and log-rank tests. Results In total, 3337 children with suspected NB were screened consecutively from 687 070 pediatric patients. Through examination of urine vanillylmandelic acid and homovanillic acid, or B-ultrasound, 102 of 3337 patients were referred to oncologists for comprehensive evaluations. Eventually, 29 referred patients were diagnosed as NB and the hospital-based diagnosis rate of NB was 4.2 per 100 000 visits. The median age at diagnosis in the referral group was 21.0 months, which was 9 months earlier than that of the control group (30.0 months, P = .026). The 5-year OS rate was 72.4% in the referral group, which was higher than that of the control group (66.7%) but without statistical significance (P = .664). Conclusion Delayed NB detection could be avoided by training pediatricians in nononcology clinics to detect suspected NB and refer these patients to oncologists.
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- 2020
98. U-net model for brain extraction: Trained on humans for transfer to non-human primates
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Michael P. Milham, Zheng Wang, Jae Wook Cho, Xinhui Li, Charles E. Schroeder, R. Austin Benn, Andrew S. Fox, Alisa Omelchenko, Pamela Garcia-Saldivar, Brian E. Russ, Nanditha Rajamani, Alan C. Evans, Xindi Wang, R. Cameron Craddock, Ned H. Kalin, Stephen J. Sawiak, Annachiara Korchmaros, Ting Xu, Lei Ai, and Adam Messinger
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Male ,Computer science ,Image Processing ,Datasets as Topic ,computer.software_genre ,Macaque ,Convolutional neural network ,Medical and Health Sciences ,0302 clinical medicine ,Computer-Assisted ,Theoretical ,Models ,Image Processing, Computer-Assisted ,biology ,05 social sciences ,Brain ,Middle Aged ,Magnetic Resonance Imaging ,Neurology ,Biomedical Imaging ,Female ,RC321-571 ,Adult ,Neural Networks ,Cognitive Neuroscience ,Image registration ,Neurosciences. Biological psychiatry. Neuropsychiatry ,Sample (statistics) ,Neuroimaging ,Machine learning ,050105 experimental psychology ,Article ,03 medical and health sciences ,Computer ,Young Adult ,biology.animal ,Animals ,Humans ,0501 psychology and cognitive sciences ,Neurology & Neurosurgery ,business.industry ,Deep learning ,Psychology and Cognitive Sciences ,Neurosciences ,Models, Theoretical ,Sample size determination ,Data quality ,Feasibility Studies ,Macaca ,Artificial intelligence ,Neural Networks, Computer ,business ,computer ,030217 neurology & neurosurgery - Abstract
Brain extraction (a.k.a. skull stripping) is a fundamental step in the neuroimaging pipeline as it can affect the accuracy of downstream preprocess such as image registration, tissue classification, etc. Most brain extraction tools have been designed for and applied to human data and are often challenged by non-human primates (NHP) data. Amongst recent attempts to improve performance on NHP data, deep learning models appear to outperform the traditional tools. However, given the minimal sample size of most NHP studies and notable variations in data quality, the deep learning models are very rarely applied to multi-site samples in NHP imaging. To overcome this challenge, we used a transfer-learning framework that leverages a large human imaging dataset to pretrain a convolutional neural network (i.e. U-Net Model), and then transferred this to NHP data using a small NHP training sample. The resulting transfer-learning model converged faster and achieved more accurate performance than a similar U-Net Model trained exclusively on NHP samples. We improved the generalizability of the model by upgrading the transfer-learned model using additional training datasets from multiple research sites in the Primate Data-Exchange (PRIME-DE) consortium. Our final model outperformed brain extraction routines from popular MRI packages (AFNI, FSL, and FreeSurfer) across a heterogeneous sample from multiple sites in the PRIME-DE with less computational cost (20 s~10 min). We also demonstrated the transfer-learning process enables the macaque model to be updated for use with scans from chimpanzees, marmosets, and other mammals (e.g. pig). Our model, code, and the skull-stripped mask repository of 136 macaque monkeys are publicly available for unrestricted use by the neuroimaging community at https://github.com/HumanBrainED/NHP-BrainExtraction.
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- 2020
99. U-Net Model for Brain Extraction: Trained on Humans for Transfer to Non-human Primates
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Nanditha Rajamani, Michael P. Milham, Brian E. Russ, Zheng Wang, Jae Wook Cho, Alan C. Evans, Andrew S. Fox, Lei Ai, Adam Messinger, Stephen J. Sawiak, Ting Xu, Xinhui Li, Ned H. Kalin, Alisa Omelchenko, R. Austin Benn, Charles E. Schroeder, Annachiara Korchmaros, Xindi Wang, R. Cameron Craddock, and Pamela Garcia-Saldivar
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biology ,Computer science ,business.industry ,Deep learning ,Image registration ,Sample (statistics) ,Machine learning ,computer.software_genre ,Convolutional neural network ,Macaque ,Neuroimaging ,Sample size determination ,biology.animal ,Data quality ,Artificial intelligence ,business ,computer - Abstract
Brain extraction (a.k.a. skull stripping) is a fundamental step in the neuroimaging pipeline as it can affect the accuracy of downstream preprocess such as image registration, tissue classification, etc. Most brain extraction tools have been designed for and applied to human data and are often challenged by non-human primates (NHP) data. Amongst recent attempts to improve performance on NHP data, deep learning models appear to outperform the traditional tools. However, given the minimal sample size of most NHP studies and notable variations in data quality, the deep learning models are very rarely applied to multi-site samples in NHP imaging. To overcome this challenge, we used a transfer-learning framework that leverages a large human imaging dataset to pretrain a convolutional neural network (i.e. U-Net Model), and then transferred this to NHP data using a small NHP training sample. The resulting transfer-learning model converged faster and achieved more accurate performance than a similar U-Net Model trained exclusively on NHP samples. We improved the generalizability of the model by upgrading the transfer-learned model using additional training datasets from multiple research sites in the Primate Data-Exchange (PRIME-DE) consortium. Our final model outperformed brain extraction routines from popular MRI packages (AFNI, FSL, and FreeSurfer) across a heterogeneous sample from multiple sites in the PRIME-DE with less computational cost (20s~10min). We also demonstrated the transfer-learning process enables the macaque model to be updated for use with scans from chimpanzees, marmosets, and other mammals (e.g. pig). Our model, code, and the skull-stripped mask repository of 136 macaque monkeys are publicly available for unrestricted use by the neuroimaging community at https://github.com/HumanBrainED/NHP-BrainExtraction.
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- 2020
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100. Heritability of cortical morphology reflects a sensory-fugal plasticity gradient
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Uku Vainik, Casey Paquola, Xindi Wang, Yingqiu Zheng, Boris Bernhardt, Bratislav Misic, and Alain Dagher
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Human brain plastically adapts to environmental demands. Here, we propose that naturally occuring plasticity in certain brain areas should be reflected by higher environmental influence and therefore lower heritability of the structure of those brain areas. Mesulam’s (1998) seminal overview proposed a hierarchy of plasticity, where higher-order multimodal areas should be more plastic than lower-order sensory areas. Using microstructural and functional gradients as proxies for Mesulam’s hierarchy, we seek to test whether these gradients predict heritability of brain structure. We test this model simultaneously across multiple measures of cortical structure and microstructure derived from structural magnet resonance imaging. We also account for multiple other explanations of heritability differences, such as signal-to-noise ratio and spatial autocorrelation. We estimated heritability of brain areas using 984 participants from the Human Connectome Project. Multi-level modelling of heritability differences demonstrated that heritability is explained by both signal quality, as well as by the primary microstructural gradient. Namely, sensory areas had higher heritability and limbic/heteromodal areas had lower heritability. Given the increasing availability of genetically informed imaging data, heritability could be a quick method assess brain plasticity.Highlights (up to 85 chars)Cortical areas vary in heritability. This is seen across structural measures.Heritability differences could be explained by plasticity, topography, or noise.We build a comprehensive model testing many explanations across 5 measures.Heritability is explained by noise and 1st structural gradient reflecting plasticity.Heritability could be a method to study brain plasticity.
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- 2020
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