19 results on '"Huaiyu Wen"'
Search Results
2. Research on Scanning Induction Heating Process of Wind Turbine Gear: Dynamic Evolution of End Temperature
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Huaiyu Wen, Yao Xiao, Yi Han, Yuqian Zhao, and Shan Wang
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Renewable Energy, Sustainability and the Environment ,Management of Technology and Innovation ,Mechanical Engineering ,General Materials Science ,Industrial and Manufacturing Engineering - Published
- 2022
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3. Evolution of barchan dunes formed under Venusian dense atmosphere and terrestrial water through numerical experiments
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Xiaosi Zhou and Huaiyu Wen
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Space and Planetary Science ,Astronomy and Astrophysics - Published
- 2023
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4. Retraction Note: Application of Monte Carlo calculation method based on special graph in medical imaging
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Huaiyu Wen
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Computer Networks and Communications ,Software - Published
- 2022
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5. Program Identification Method and Application of Barchan Dune
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Huaiyu, Wen, primary, Xiaosi, Zhou, additional, Yuxin, Liu, additional, and Bin, Yang, additional
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- 2021
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6. Elimination of Irrelevant Features and Heart Disease Recognition by Employing Machine Learning Algorithms using Clinical Data
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Sufang Li, Jianping Li, Tao Jiang, Rajesh Kumar, Abdus Saboor, Amin Ul Haq, and Huaiyu Wen
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050101 languages & linguistics ,Heart disease ,business.industry ,Computer science ,Deep learning ,Model selection ,05 social sciences ,Feature extraction ,Feature selection ,02 engineering and technology ,Machine learning ,computer.software_genre ,medicine.disease ,Cross-validation ,Data set ,0202 electrical engineering, electronic engineering, information engineering ,medicine ,020201 artificial intelligence & image processing ,0501 psychology and cognitive sciences ,Sensitivity (control systems) ,Artificial intelligence ,business ,computer ,Algorithm - Abstract
A heart disease diagnosis method has been proposed for effective heart disease diagnosis. In the proposed method Machine Learning (ML) classifiers have been used for detection of heart disease. Chi square feature selection algorithm has been used for related feature selection to improve the prediction performance of machine learning models. Cross validation, method Hold out has been employed for model hyper parameters tuning and best model selection. Furthermore, performance evaluation metrics, such as classification accuracy, specificity, sensitivity, Matthews' correlation coefficient and execution time have been used for model performance evaluation. The Cleveland heart disease data set has been used for testing of the proposed method. The experimental results demonstrated that proposed method has achieved high performance as compared to state of the art methods. Furthermore, the proposed method performance has been compared with deep learning model. Thus, the proposed method will support the medical professional to diagnosis heart disease efficiently and could easily incorporated in healthcare for diagnosis of heart disease.
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- 2020
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7. RETRACTED ARTICLE: Application of Monte Carlo calculation method based on special graph in medical imaging
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Huaiyu Wen
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Computer Networks and Communications ,Computer science ,business.industry ,Feature extraction ,Monte Carlo method ,ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION ,Sampling (statistics) ,020206 networking & telecommunications ,Image processing ,02 engineering and technology ,Image segmentation ,medicine.disease ,Imaging phantom ,0202 electrical engineering, electronic engineering, information engineering ,Medical imaging ,medicine ,Imaging technology ,020201 artificial intelligence & image processing ,Computer vision ,Artificial intelligence ,Liver cancer ,business ,Software ,Statistical hypothesis testing - Abstract
With the rapid development of medical imaging technology and information technology, digital medical image acquisition equipment is constantly updated, especially the rise of proton medical technology, which has higher requirements on human diseased cell imaging technology. In this paper, based on the image data acquired by the large aperture CT, the Monte Carlo calculation and analysis of edge-blurred electronic density images have carried out to achieve accurate diagnosis and provide a new method for efficient pathological treatment. This article made a preliminary study and analysis on the application of Monte Carlo method in radio surgical treatment planning. Monte Carlo method, which is known as random sampling or statistical test methods, can truly simulate the actual physical process, problem solving and actual in good compliance. It can be very successful results. Combined with the image processing method, this paper carries out the detection methods of image pre-processing, image segmentation, feature extraction, classification and recognition to the lesion area of human body to realize the effective recognition of the special lesion image area. Experimental results show that the edge of lesion area has obtained by image segmentation, contour extraction and Monte-Carlo calculation. Particle-space information has taken as input. Based on Monte Carlo method, the space-absorbed dose in phantom is analysed distributed. By using the computerized liver cancer diagnosis technology, the doctor’s working pressure and labour intensity are reduced, the doctor’s working efficiency is improved, the accuracy of the diagnosis is improved, the hospital saves many expenses and the patient’s burden is reduced. Therefore, the research of computer-aided diagnosis has important significance and application value.
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- 2018
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8. Utilization of Feature-Model in Polio Eradication using ICT in Healthcare
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Amin Ul Haq, Sana Ullah, Gulzar Alam, Huaiyu Wen, and Muhammad Inamullah
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050101 languages & linguistics ,Economic growth ,Computer science ,business.industry ,05 social sciences ,02 engineering and technology ,Disease ,medicine.disease ,Feature model ,Poliomyelitis ,Vaccination ,Information and Communications Technology ,Poliomyelitis eradication ,Health care ,0202 electrical engineering, electronic engineering, information engineering ,medicine ,020201 artificial intelligence & image processing ,0501 psychology and cognitive sciences ,Community awareness ,business - Abstract
Poliomyelitis is a disease which is spread through virus called enter virus. Its treatment is difficult but can be trim down through prevention strategies like on proper vaccination and management. For this purpose community awareness and mobilization is much needed factor, This disease is eradicated by the develop countries but still present in under develop countries due to the poor hygiene life style and lack of proper awareness about polio disease. Currently, Pakistan, Nigeria and Afghanistan are facing huge challenges to eradicate polio. It mostly affect children under age five and cause paraplegics condition to some part of the body, to cope with this problem a feature model has been proposed to resolve most of the network management issues required to communicate among the polio eradication health centers, like collecting the exact number of affected, missing and refusal children, launching a campaign in a proper hierarchical approach.
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- 2019
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9. Study on mobile induction heating process of internal gear rings for wind power generation
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Huaiyu Wen and Han Yi
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Electromagnetic field ,Engineering ,Engineering drawing ,geography ,Induction heating ,Wind power generation ,geography.geographical_feature_category ,business.industry ,020209 energy ,Energy Engineering and Power Technology ,Mechanical engineering ,02 engineering and technology ,021001 nanoscience & nanotechnology ,Inductor ,Inlet ,Industrial and Manufacturing Engineering ,Non-circular gear ,Electromagnetic coil ,0202 electrical engineering, electronic engineering, information engineering ,Hardening (metallurgy) ,0210 nano-technology ,business - Abstract
An internal gear ring for wind power generation is an important basic part of transmission mechanism for wind power generation. Hardening heat treatment is a key production process in the production of large gear rings. The problem of quenching hard and soft spots easily occurs in the gear ring at the inlet and outlet positions of the coil during the movement of the inductor. In this paper, an electromagnetic-thermal multi-field coupling prediction model was established with the coil movement factor being taken into account by analyzing the heat transfer process. With temperature nonuniformity being introduced as a measurable evaluation index, the laws of effect of the process of entry/exit of the inductor into/from the gear ring on this index were analyzed primarily. Comparison of the laws of distribution of electromagnetic field at the inlet, middle and outlet positions shows that it is possible to greatly reduce the temperature nonuniformity by changing the start and end positions of heating, thus to be favorable for improving the quality of heat treatment. The research results in this paper give a method and idea used as a reference for actively exploring relevant common problems in mobile electromagnetic heat treatment.
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- 2017
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10. A Cross-Layer Congestion Control Algorithm Based on Traffic Reallocation in Wireless Sensor Network
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Huaiyu Wen and Weidong Huo
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020203 distributed computing ,business.industry ,Computer science ,0202 electrical engineering, electronic engineering, information engineering ,Cross layer ,020206 networking & telecommunications ,02 engineering and technology ,business ,Wireless sensor network ,Computer network ,Congestion control algorithm - Published
- 2017
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11. Study on electromagnetic heating process of heavy-duty sprockets with circular coils and profile coils
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Huaiyu Wen, Enlin Yu, and Han Yi
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Engineering ,business.product_category ,Induction heating ,business.industry ,020209 energy ,Induction hardening ,Energy Engineering and Power Technology ,Mechanical engineering ,Tooth surface ,02 engineering and technology ,021001 nanoscience & nanotechnology ,Industrial and Manufacturing Engineering ,Finite element method ,Power (physics) ,Electromagnetic coil ,0202 electrical engineering, electronic engineering, information engineering ,Skin effect ,0210 nano-technology ,business ,Sprocket - Abstract
The safety of heavy equipment is directly determined by the quality of heavy-duty sprocket, which is a basic component in transmitting motion and power. However, local overheat of tooth surface, non-homogeneous hardness and microcracking are observed due to the skin effect, corner effect, and annular effect during traditional induction hardening of sprockets with conventional circular coils. Finite-element numerical computation and comparative analysis were carried out for sprocket heating processes between circular coil and profile coil, respectively. The maximum temperature difference of the sprocket along the tooth profile and the heating time required to meet heat treatment expectation were introduced to evaluate heating quality and efficiency. By analyzing and comparing the effects of various electromagnetic and geometric parameters on the evaluation indicators, it is found that the heat transfer process during sprocket induction heating can be changed by suitable profile coil parameters, consequently, the performance of gear type products can be improved.
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- 2016
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12. Comparision of Four Machine Learning Techniques for the Prediction of Prostate Cancer Survivability
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Huaiyu Wen, Wei Li, Chang Yin, Jianping Li, and Sufang Li
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Artificial neural network ,Computer science ,business.industry ,Deep learning ,Survivability ,Decision tree ,020206 networking & telecommunications ,02 engineering and technology ,Machine learning ,computer.software_genre ,k-nearest neighbors algorithm ,Support vector machine ,Naive Bayes classifier ,Statistical classification ,0202 electrical engineering, electronic engineering, information engineering ,020201 artificial intelligence & image processing ,Artificial intelligence ,business ,computer - Abstract
Prostate cancer is regarded as the most prevalent cancer in the word and the main cause of deaths worldwide. Many traditional machine learning classification techniques has been applied to prostate patient survivability prediction, such as k Nearest Neighbors (KNN), Decision Tree (DT), Naive Bayes (NB)and Support Vector Machine (SVM). In recent years, deep learning has been proved as a strong technique and became a research hotspot. As a kind of deep learning method, in this study, artificial neural network and several traditional machine learning techniques are applied to SEER (the Surveillance, Epidemiology, and End Result program)database to classify mortality rate in two categories including less than 60 months and more than 60 months. The result shows that neural network has the best accuracy (85.64%)in predicting survivability of prostate cancer patients.
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- 2018
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13. Aspect term extraction of E-commerce comments based on model ensemble
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Junyi Zhao and Huaiyu Wen
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060201 languages & linguistics ,Computer science ,business.industry ,Feature extraction ,Text segmentation ,06 humanities and the arts ,02 engineering and technology ,computer.software_genre ,Ensemble learning ,Field (computer science) ,Test set ,0602 languages and literature ,0202 electrical engineering, electronic engineering, information engineering ,020201 artificial intelligence & image processing ,Data pre-processing ,Artificial intelligence ,Hidden Markov model ,business ,computer ,Word (computer architecture) ,Natural language processing - Abstract
Review aspect terms extraction is an important task in the field of emotional analysis in natural language processing. This paper uses the method of ensemble learning to extract aspect terms of the E-commerce reviews. And this method has a very significant meaning. Because of the particularity of Ecommerce reviews, we choose the traditional method combined with machine learning method to extract the aspect terms of Ecommerce reviews emotional analysis, the experiment proved effective. First, we did word segmentation, POS tagging and other data preprocessing for the original Chinese E-commerce data. Then based on the training set construct the dictionary of aspect terms with the use of word-based reversed search method, for the test set tagging aspect terms. In addition, we train efficient CRF model and carry out aspect terms annotation on the comment data. Finally, based on the first two methods, the effect of model ensemble is improved.
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- 2017
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14. Region-based growing algorithm for 3D reconstruction from MRI images
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Baijiang Fan, Qifei Wang, Yunbo Rao, Huaiyu Wen, and Wei Liu
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0209 industrial biotechnology ,business.industry ,Computer science ,3D reconstruction ,ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION ,02 engineering and technology ,Real-time MRI ,Solid modeling ,Iterative reconstruction ,Image segmentation ,030218 nuclear medicine & medical imaging ,03 medical and health sciences ,020901 industrial engineering & automation ,0302 clinical medicine ,Medical imaging ,Object model ,Segmentation ,Computer vision ,Artificial intelligence ,business ,Algorithm ,ComputingMethodologies_COMPUTERGRAPHICS - Abstract
Accurate 3D reconstruction of human tissue is a challenge problem in medical imaging. In this paper, a novel 3D reconstruction method of human brain MRI images is proposed based on the segmentation of human tissue. First, we propose a novel region-based growing algorithm to get points of an MRI image. Then, the moving cubes algorithm is used to reconstruct the accurate 3D object model. Further, in order to display well, a multiple angle observation is provided in our experiment. Experimental results show that the proposed method is better than the traditional methods.
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- 2017
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15. Wormhole Attacks Detection and Prevention Based on 2-Hop Neighbor in Wireless Mesh Networks
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Guangchun Luo and Huaiyu Wen
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Routing protocol ,Security analysis ,Wireless mesh network ,Computer science ,business.industry ,ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS ,ComputerSystemsOrganization_PROCESSORARCHITECTURES ,Library and Information Sciences ,Cryptographic protocol ,Network topology ,Computer Graphics and Computer-Aided Design ,Clock synchronization ,Computational Theory and Mathematics ,Hardware_INTEGRATEDCIRCUITS ,Wireless ,Wormhole ,business ,Information Systems ,Computer network - Abstract
Wireless Mesh Networks (WMNs) are widely used in many areas, such as industrial, commercial and public-safety environments. However, due to the open nature of wireless communication, it is relatively easy for an adversary to launch serious wormhole attack which can’t be even prevented by cryptographic protocols. To enhance the efficiency and facility of wormhole detection, we here propose a high efficiency wormhole detection algorithm based on 2-hop neighbor in WMNs, which is called Wormhole Detection based on Neighbor’s Neighbor scheme (WDNN). Then a simple Random Walk Route scheme (RWR) is proposed to prevent routes from wormholes, which attract traffic of the routing protocols based on least cost. In WDNN, through enlarging the transmission range of the 2-hop neighbor, the faked network topology resulted by wormholes can be detected without using extra hardware or clock synchronization. In RWR, the route is chosen without using the low latency link which is created by wormholes. Security analysis shows that the wormhole attacks can be detected and also be prevented using our schemes efficiently. And our simulation results also indicate that our schemes can obtain a 100% wormhole detection rate and prevent routes from being attacked by the adversary against traditional routing protocols.
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- 2013
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16. X-Ray image reliability using biorthogonal wavelet compression for medical big data
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Raheel Ahmed Memon, Huaiyu Wen, Fadia Shah, Jianping Li, and Faiza Shah
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Computer science ,business.industry ,Big data ,Digital imaging ,Information processing ,Image registration ,02 engineering and technology ,computer.software_genre ,01 natural sciences ,010309 optics ,Identification (information) ,Wavelet ,Data quality ,0103 physical sciences ,0202 electrical engineering, electronic engineering, information engineering ,020201 artificial intelligence & image processing ,Data mining ,business ,computer ,Biorthogonal wavelet - Abstract
Medical Big Data (MBD) is all concerned with the medical related bio-informatics data. The importance of medical investigations for disease identification and complications highly depend upon the quality data. This scientific era is the age of digital imaging and information processing. For every individual the medical record is collection of important data. Due to the smart telecommunication technology initiatives, MBD is very crucial research area. This data is in the form of images and video files, which are generated after technical examinations like CT scan, MRI, X-ray, ECG, and many others.
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- 2016
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17. Load Balance Routing Protocol in Wireless Mesh Network Based on Cross-Layer Knowledge
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Guangchun Luo and Huaiyu Wen
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Routing protocol ,Dynamic Source Routing ,Zone Routing Protocol ,business.industry ,Computer science ,Distributed computing ,ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS ,Wireless Routing Protocol ,Ad hoc wireless distribution service ,Link-state routing protocol ,Optimized Link State Routing Protocol ,Destination-Sequenced Distance Vector routing ,business ,Computer network - Abstract
Wireless mesh network (WMN) is a new kind of distributed broadband network and has drawn great attention since it has good scalability, robustness and self-organization. However, routing protocols in traditional wireless networks such as wireless sensor network (WSN) and Ad Hoc network cannot be directly used in WMN, such as those minimum hops based routing protocols that have poor performance in WMN. To provide a routing protocol suitable for WMN, a load balance routing protocol in WMN is proposed based on crosslayer knowledge and takes Ad Hoc On-demand Distance Vector Routing (AODV) as a prototype, namely Load Balance Cross Layer based AODV (LBCL-AODV). In this protocol, not only the hop counts in AODV are considered, but also cross-layer information is used as metric to optimize route selection through using node load and packet delivery rate performance parameters. WMN always suffers from the load unbalance problem which degrades the network performance. To solve this problem, a load dynamically migration method is proposed which can migrate the traffic from busy routes to empty paths. The simulation results show that LBCL-AODV can reduce the end-to-end delay, increase the delivery rate and achieve the load balance.
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- 2013
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18. GnRHa protects the ovarian reserve by reducing endoplasmic reticulum stress during cyclophosphamide-based chemotherapy
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Xiaolin Li, Sixuan Liu, Xuan Chen, Run Huang, Lisi Ma, Huaiyu Weng, Yang Yu, and Xiangyun Zong
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Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Abstract Chemotherapy-induced ovarian dysfunction is a serious adverse effect in premenopausal patients with cancer. Gonadotrophin-releasing hormone analogs (GnRHa) protect ovarian function, but its molecular mechanisms have not yet been determined. In this study, we attempted to determine the previously unknown molecular mechanism by which such protection occurs. Serum anti-Müllerian hormone (AMH) levels were tested in tumor-bearing nude mice, a series of exploratory experiments were conducted. We discovered that GnRHa protects granulosa cells from chemotherapeutic toxicity in vivo and in vitro. We also showed that CTX-induced endoplasmic reticulum stress inhibits the secretion of AMH, and treatment with GnRHa relieves ER stress and the subsequent unfolded-protein response by modulating mTOR signaling to induce autophagy. The results of mechanistic studies indicated that GnRHa-modulated mTOR signaling to induce autophagy, which alleviated CTX-induced ER stress and promoted the secretion of AMH.
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- 2021
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19. Single-Cell Transcriptomic Analysis of Ecosystems in Papillary Thyroid Carcinoma Progression
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Ting Yan, Wangwang Qiu, Huaiyu Weng, Youben Fan, Guangwen Zhou, and Zhili Yang
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sc-RNA seq ,papillary thyroid carcinoma ,ecosystem ,progression ,heterogeneity ,Diseases of the endocrine glands. Clinical endocrinology ,RC648-665 - Abstract
BackgroundDespite extensive research, the papillary thyroid carcinoma (PTC) ecosystem is poorly characterized and, in particular, locoregional progression. Available evidence supports that single-cell transcriptome sequencing (Sc-RNA seq) can dissect tumor ecosystems.MethodsTissue samples from one PTC patient, including matched primary tumor (Ca), lymph node (LN) metastasis, and paracancerous tissue (PCa), were subjected to Sc-RNA seq with 10×Genomics. Dual-label immunofluorescence and immunohistochemistry were used to confirm the existence of cell subtypes in a separate cohort.Results11,805 cell transcriptomes were profiled, cell landscapes of PTC were composed of malignant follicular epithelial cells (MFECs), CD8+ and CD4+ T cells, B cells, vascular endothelial cells, fibroblasts and cancer-associated fibroblasts (CAFs). Between Ca and LN ecosystems, the proportions of MFEC and interstitial cells were similar, less than 1/25(229/6,694, 361/3,895), while the proportion of normal follicular epithelial cells (NFECs) and interstitial cells was > 2 in PCa (455/171). NFECs in PCa formed a separate cluster, while MFECs in Ca and LN exhibited a profound transcriptional overlap, and the interstitial cells among these samples had an overall concordance in their identity and representation, albeit with some distinctions in terms of the cell percentage per subset. A fraction of the B cell subpopulation in Ca expressed inhibitory receptors, while their respective ligand genes were clearly transcribed in T cell and malignant epithelial cell clusters, while some CD8+ T cells in both Ca and LN produced high levels of inhibitory receptors whose respective ligands were overexpressed in some CD4+ T cells. Three CAF subtypes in Ca and LN were identified, which may be due to mutual transitions.ConclusionsOur data provide new insights into the PTC ecosystem and highlight the differences in ecosystems in PTC progression, which updates our understanding of PTC biology and will improve individualized patient treatment.
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- 2021
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