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Hsu CY, Jang Y, Huang WR, Wang CY, Wen HW, Tsai PC, Yang CY, Munir M, Liu HJ. Development of Polycistronic Baculovirus Surface Display Vectors to Simultaneously Express Viral Proteins of Porcine Reproductive and Respiratory Syndrome and Analysis of Their Immunogenicity in Swine. Vaccines (Basel) 2023; 11:1666. [PMID: 38005998 PMCID: PMC10674950 DOI: 10.3390/vaccines11111666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 10/21/2023] [Accepted: 10/30/2023] [Indexed: 11/26/2023] Open
Abstract
To simultaneously express and improve expression levels of multiple viral proteins of a porcine reproductive and respiratory syndrome virus (PRRSV), polycistronic baculovirus surface display vectors were constructed and characterized. We engineered polycistronic baculovirus surface display vectors, namely, pBacDual Display EGFP(BacDD)-2GP2-2GP4 and pBacDD-4GP5N34A/N51A (mtGP5), which simultaneously express and display the ectodomain of His-tagged GP2-gp64TM-CTD, His-tagged GP4-gp64TM-CTD, and His-tagged mtGP5-gp64TM-CTD fusion proteins of PRRSV on cell membrane of Sf-9 cells. Specific pathogen-free (SPF) pigs were administered intramuscularly in 2 doses at 21 and 35 days of age with genetic recombinant baculoviruses-infected cells. Our results revealed a high level of ELISA-specific antibodies, neutralizing antibodies, IL-4, and IFN-γ in SPF pigs immunized with the developed PRRSV subunit vaccine. To further assess the co-expression efficiency of different gene combinations, pBacDD-GP2-GP3-2GP4 and pBacDD-2mtGP5-2M constructs were designed for the co-expression of the ectodomain of His-tagged GP2-gp64TM-CTD, His-tagged GP3-gp64TM-CTD, and His-tagged GP4-gp64TM-CTD proteins as well as the ectodomain of His-tagged mtGP5-gp64TM-CTD and His-tagged M-gp64TM-CTD fusion proteins of PRRSV. To develop an ELISA assay for detecting antibodies against PRRSV proteins, the sequences encoding the ectodomain of the GP2, GP3, GP4, mtGP5, and M of PRRSV were amplified and subcloned into the pET32a vector and expressed in E. coli. In this work, the optimum conditions for expressing PRRSV proteins were evaluated, and the results suggested that 4 × 105 of Sf-9 cells supplemented with 7% fetal bovine serum and infected with the recombinant baculoviruses at an MOI of 20 for three days showed a higher expression levels of the protein. Taken together, the polycistronic baculovirus surface display system is a useful tool to increase expression levels of viral proteins and to simultaneously express multiple viral proteins of PRRSV for the preparation of subunit vaccines.
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Affiliation(s)
- Chao-Yu Hsu
- Department of Medical Research, Tungs’ Taichung Metroharbor Hospital, Taichung 435, Taiwan;
- Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
| | - Yun Jang
- Institute of Molecular Biology, National Chung Hsing University, Taichung 402, Taiwan; (Y.J.); (W.-R.H.)
| | - Wei-Ru Huang
- Institute of Molecular Biology, National Chung Hsing University, Taichung 402, Taiwan; (Y.J.); (W.-R.H.)
- The iEGG and Animal Biotechnology Center, National Chung Hsing University, Taichung 402, Taiwan
| | - Chi-Young Wang
- Department of Veterinary Medicine, National Chung Hsing University, Taichung 402, Taiwan;
| | - Hsiao-Wei Wen
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 402, Taiwan;
| | - Pei-Chien Tsai
- Department of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan;
| | - Cheng-Yao Yang
- Graduate Institute of Veterinary Pathobiology, National Chung Hsing University, Taichung 402, Taiwan;
| | - Muhammad Munir
- Division of Biomedical and Life Sciences, Faculty of Health and Medicine, Lancaster University, Lancaster LA1 4YW, UK;
| | - Hung-Jen Liu
- Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
- Institute of Molecular Biology, National Chung Hsing University, Taichung 402, Taiwan; (Y.J.); (W.-R.H.)
- The iEGG and Animal Biotechnology Center, National Chung Hsing University, Taichung 402, Taiwan
- Department of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan;
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
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Choi S, Jang Y, Kim H. A Deep Learning Approach to Imputation of Dynamic Pupil Size Data and Prediction of ADHD. INT J ARTIF INTELL T 2022. [DOI: 10.1142/s0218213023500203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Andersen D, Jang Y, Borzée A. Influence of landscape and connectivity on anuran conservation: population viability analyses to designate protected areas. Anim Conserv 2022. [DOI: 10.1111/acv.12829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- D. Andersen
- Department of Life Science and Division of EcoScience Ewha Womans University Seoul Republic of Korea
| | - Y. Jang
- Department of Life Science and Division of EcoScience Ewha Womans University Seoul Republic of Korea
- Interdisciplinary Program of EcoCreative Ewha Womans University Seoul Republic of Korea
| | - A. Borzée
- Laboratory of Animal Behaviour and Conservation, College of Biology and the Environment Nanjing Forestry University Nanjing Jiangsu People's Republic of China
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Kim Y, Ryu J, Jang Y, Kim D, Bang Y, Choi S, Moon J, Kim H, Shin J. 138 Single-cell RNA-seq of dorsal root ganglion reveals neuroinflammatory process in atopic dermatitis. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Bendotti G, Montefusco L, Lunati ME, Usuelli V, Pastore I, Lazzaroni E, Assi E, Seelam AJ, El Essawy B, Jang Y, Loretelli C, D'Addio F, Berra C, Ben Nasr M, Zuccotti G, Fiorina P. The anti-inflammatory and immunological properties of GLP-1 Receptor Agonists. Pharmacol Res 2022; 182:106320. [PMID: 35738455 DOI: 10.1016/j.phrs.2022.106320] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/16/2022] [Accepted: 06/16/2022] [Indexed: 12/29/2022]
Abstract
In the last few years, a great interest has emerged in investigating the pleiotropic effects of Glucagon Like Peptide-1 Receptor Agonists (GLP-1RAs). While GLP-1RAs ability to lower plasma glucose and to induce weight loss has allowed them to be approved for the treatment of diabetes and obesity, consistent evidences from in vitro studies and preclinical models suggested that GLP-1RAs have anti-inflammatory properties and that may modulate the immune-system. Notably, such anti-inflammatory effects target different pathways in different tissues, underling the broad spectrum of GLP-1RAs actions. This review examines some of the currently proposed molecular mechanisms of GLP-1RAs actions and explores their potential benefits in reducing inflammatory responses, which may well suggest a future therapeutic use of GLP-1RAs in new indications.
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Affiliation(s)
- Giulia Bendotti
- Division of Endocrinology, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Laura Montefusco
- Division of Endocrinology, ASST Fatebenefratelli-Sacco, Milan, Italy
| | | | - Vera Usuelli
- International Center for T1D, Pediatric Clinical Research Center "Romeo ed Enrica Invernizzi", Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Ida Pastore
- Division of Endocrinology, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Elisa Lazzaroni
- Division of Endocrinology, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Emma Assi
- International Center for T1D, Pediatric Clinical Research Center "Romeo ed Enrica Invernizzi", Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Andy Joe Seelam
- International Center for T1D, Pediatric Clinical Research Center "Romeo ed Enrica Invernizzi", Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Basset El Essawy
- Transplantation Research Center, Nephrology Division, Children's Hospital and Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Medicine, Al-Azhar University, Cairo, Egypt
| | - Yun Jang
- Institute of Organ Transplantation, Tongji Hospital and Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Cristian Loretelli
- International Center for T1D, Pediatric Clinical Research Center "Romeo ed Enrica Invernizzi", Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Francesca D'Addio
- International Center for T1D, Pediatric Clinical Research Center "Romeo ed Enrica Invernizzi", Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Cesare Berra
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS Multimedica, Milan, Italy
| | - Moufida Ben Nasr
- International Center for T1D, Pediatric Clinical Research Center "Romeo ed Enrica Invernizzi", Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy; Nephrology Division, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - GianVincenzo Zuccotti
- Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, DIBIC, Università di Milano and Department of Pediatrics, Buzzi Children's Hospital, Milan, Italy
| | - Paolo Fiorina
- Division of Endocrinology, ASST Fatebenefratelli-Sacco, Milan, Italy; International Center for T1D, Pediatric Clinical Research Center "Romeo ed Enrica Invernizzi", Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy; Nephrology Division, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
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Affiliation(s)
- Y Jang
- National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea
| | - H Yi
- National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea
| | - R Maharjan
- National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea
| | - M Jeong
- National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea
| | - Y Yoon
- National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea
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Li Z, Siddiqi U, Patel A, Rasheed N, Jang Y, Cruz J, Hoang R, Hu K, Deji-Abiodun O, Rodgers D, Jeevanandam V, Olopade C. Impact of Obstructive Sleep Apnea on Clinical Outcomes Following Left Ventricular Assist Device Implantation. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Jang H, Choi Y, Kwon E, Choi N, Jang Y, Song J, Shin S. Optimal application of compressive palatal stents following mesiodens removal in pediatric patients: A Randomized Controlled Trial. Med Oral Patol Oral Cir Bucal 2021; 26:e808-e814. [PMID: 34704974 PMCID: PMC8601646 DOI: 10.4317/medoral.24802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 10/04/2021] [Indexed: 11/17/2022] Open
Abstract
Background There is no scientific evidence supporting the choice of a palatal stent in patients who underwent removal of an impacted supernumerary tooth. We aimed to investigate the effects of palatal stents in patients who underwent supernumerary tooth removal through a palatal approach and to suggest the optimal stent thickness and material. Material and Methods We recruited 144 patients who underwent extraction of a supernumerary tooth between the maxillary anterior teeth. Subjects were assigned to a control group (CG) or one of four compressive palatal stent groups (CPSGs) classified by the thickness and material of the thermoplastic acrylic stent used. Palatal gingival swelling and objective indices (healing, oral hygiene, gingival, and plaque) were evaluated before surgery and on postoperative days (PODs) 3, 7, and 14; pain/discomfort and the Child Oral Health Impact Profile (COHIP) were assessed as subjective indices of the effects of the stent. Results The CPSGs showed faster healing than did the CG on PODs 7 (P<0.001) and 14 (P=0.043); swelling was measured by 1.64±0.88 mm and 4.52±0.39 mm, respectively. Although swelling was least in the 4-mm hard group (0.92±0.33 mm), the difference compared with that in the 2-mm hard group (1.01±0.18 mm) was not significant (P=0.077). The CPSGs showed better COHIP (P<0.001-0.036) and pain scores (P<0.001) than did the CG on PODs 1-3. Conclusions Compressive palatal stents reduce discomfort by decreasing pain and alleviating swelling. Although a stent is effective regardless of its thickness and material, 2-mm hard stents maximized such positive effects with minimal discomfort. Key words:Supernumerary tooth, tooth Extraction, postoperative care, oral Health, pediatric dentistry.
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Affiliation(s)
- H Jang
- Department of Oral and Maxillofacial surgery, Pusan National University, School of Dentistry, Korea Dental and Life Science Institute, School of Dentistry, Pusan National University, Korea Beomeo, Mulgeum, Yangsan, 50612, Republic of Korea
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Son H, Pham VT, Jang Y, Kim SE. Damage Localization and Severity Assessment of a Cable-Stayed Bridge Using a Message Passing Neural Network. Sensors (Basel) 2021; 21:s21093118. [PMID: 33946232 PMCID: PMC8125630 DOI: 10.3390/s21093118] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/18/2021] [Accepted: 04/26/2021] [Indexed: 11/27/2022]
Abstract
Cable-stayed bridges are damaged by multiple factors such as natural disasters, weather, and vehicle load. In particular, if the stayed cable, which is an essential and weak component of the cable-stayed bridge, is damaged, it may adversely affect the adjacent cables and worsen the bridge structure condition. Therefore, we must accurately determine the condition of the cable with a technology-based evaluation strategy. In this paper, we propose a deep learning model that allows us to locate the damaged cable and estimate its cross-sectional area. To obtain the data required for the deep learning training, we use the tension data of the reduced area cable, which are simulated in the Practical Advanced Analysis Program (PAAP), a robust structural analysis program. We represent the sensor data of the damaged cable-stayed bridge as a graph composed of vertices and edges using tension and spatial information of the sensors. We apply the sensor geometry by mapping the tension data to the graph vertices and the connection relationship between sensors to the graph edges. We employ a Graph Neural Network (GNN) to use the graph representation of the sensor data directly. GNN, which has been actively studied recently, can treat graph-structured data with the most advanced performance. We train the GNN framework, the Message Passing Neural Network (MPNN), to perform two tasks to identify damaged cables and estimate the cable areas. We adopt a multi-task learning method for more efficient optimization. We show that the proposed technique achieves high performance with the cable-stayed bridge data generated from PAAP.
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Affiliation(s)
- Hyesook Son
- Computer Engineering and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
| | - Van-Thanh Pham
- Civil and Environmental Engineering, Sejong University, Seoul 05006, Korea; (V.-T.P.); (S.-E.K.)
| | - Yun Jang
- Computer Engineering and Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
- Correspondence:
| | - Seung-Eock Kim
- Civil and Environmental Engineering, Sejong University, Seoul 05006, Korea; (V.-T.P.); (S.-E.K.)
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Khan S, Won J, Shin J, Park J, Park JW, Kim SE, Jang Y, Kim DJ. SSVM: An Ultra-Low-Power Strain Sensing and Visualization Module for Long-Term Structural Health Monitoring. Sensors (Basel) 2021; 21:s21062211. [PMID: 33809847 PMCID: PMC8004234 DOI: 10.3390/s21062211] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/15/2021] [Accepted: 03/19/2021] [Indexed: 11/16/2022]
Abstract
Structural health monitoring (SHM) is crucial for quantitative behavioral analysis of structural members such as fatigue, buckling, and crack propagation identification. However, formerly developed approaches cannot be implemented effectively for long-term infrastructure monitoring, owing to power inefficiency and data management challenges. This study presents the development of a high-fidelity and ultra-low-power strain sensing and visualization module (SSVM), along with an effective data management technique. Deployment of 24-bit resolution analog to a digital converter and precise half-bridge circuit for strain sensing are two significant factors for efficient strain measurement and power management circuit incorporating a low-power microcontroller unit (MCU), and electronic-paper display (EPD) enabled long-term operation. A prototype for SSVM was developed that performs strain sensing and encodes the strain response in a QR code for visualization on the EPD. For efficient power management, SSVM only activated when the trigger-signal was generated and stayed in power-saving mode consuming 18 mA and 337.9 μA, respectively. The trigger-signal was designed to be generated either periodically by a timer or intentionally by a push-button. A smartphone application and cloud database were developed for efficient data acquisition and management. A lab-scale experiment was carried out to validate the proposed system with a reference strain sensing system. A cantilever beam was deflected by increasing load at its free end, and the resultant strain response of SSVM was compared with the reference. The proposed system was successfully validated to use for long-term static strain measurement.
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Affiliation(s)
- Suleman Khan
- Department of Civil and Environmental Engineering, Chung-Ang University, Seoul 06974, Korea; (S.K.); (J.W.); (J.S.); (J.P.)
| | - Jongbin Won
- Department of Civil and Environmental Engineering, Chung-Ang University, Seoul 06974, Korea; (S.K.); (J.W.); (J.S.); (J.P.)
| | - Junsik Shin
- Department of Civil and Environmental Engineering, Chung-Ang University, Seoul 06974, Korea; (S.K.); (J.W.); (J.S.); (J.P.)
| | - Junyoung Park
- Department of Civil and Environmental Engineering, Chung-Ang University, Seoul 06974, Korea; (S.K.); (J.W.); (J.S.); (J.P.)
| | - Jong-Woong Park
- Department of Civil and Environmental Engineering, Chung-Ang University, Seoul 06974, Korea; (S.K.); (J.W.); (J.S.); (J.P.)
- Correspondence: ; Tel.: +82-2-820-5278
| | - Seung-Eock Kim
- Department of Civil and Environmental Engineering, Sejong University, 98 Gunja-dong, Gwangjin-gu, Seoul 143-747, Korea; (S.-E.K.); (D.J.K.)
| | - Yun Jang
- Computer Engineering and Convergence Engineering for Intelligent Drone, Sejong University, 98 Gunja-dong, Gwangjin-gu, Seoul 143-747, Korea;
| | - Dong Joo Kim
- Department of Civil and Environmental Engineering, Sejong University, 98 Gunja-dong, Gwangjin-gu, Seoul 143-747, Korea; (S.-E.K.); (D.J.K.)
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Abstract
Urban traffic congestion has become an important issue not only affecting our daily lives, but also limiting economic development. The primary cause of urban traffic congestion is that the number of vehicles is higher than the permissible limit of the road. Previous studies have focused on dispersing traffic volume by detecting urban traffic congestion zones and predicting future trends. However, to solve the fundamental problem, it is necessary to discover the cause of traffic congestion. Nevertheless, it is difficult to find a research which presents an approach to identify the causes of traffic congestion. In this paper, we propose a technique to analyze the cause of traffic congestion based on the traffic flow theory. We extract vehicle flows from traffic data, such as GPS trajectory and Vehicle Detector data. We detect vehicle flow changes utilizing the entropy from the information theory. Then, we build cumulative vehicle count curves (N-curve) that can quantify the flow of the vehicles in the traffic congestion area. The N-curves are classified into four different traffic congestion patterns by a convolutional neural network. Analyzing the causes and influence of traffic congestion is difficult and requires considerable experience and knowledge. Therefore, we present a visual analytics system that can efficiently perform a series of processes to analyze the cause and influence of traffic congestion. Through case studies, we have evaluated that our system can classify the causes of traffic congestion and can be used efficiently in road planning.
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Cha J, Son T, Ha J, Kim J, Hong S, Ahn C, Kim B, Ko Y, Choi D, Hong M, Jang Y. Machine learning for predicting fractional flow reserve based on optical coherence tomography in intermediate coronary stenosis. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Machine learning approaches using intravascular optical coherence tomography (OCT) to predict fractional flow reserve (FFR) have not been previously investigated. The objective of the study was to evaluate a machine learning method to estimate FFR based on intravascular OCT images in intermediate coronary lesions.
Methods
Data from both OCT- and wire-based FFR methods were obtained for lesions of the left anterior descending artery in 125 patients. Based on the total number of lesions, training and testing groups were partitioned at a ratio of 5:1. For the training group, 36 features, including 16 clinical and lesion characteristics, and 21 OCT features, were used to model machine learning-FFR. machine learning-FFR values were then derived for the testing group and compared with wire-based FFR values in terms of a diagnosis of ischemia (FFR <0.8).
Results
Clinical and lesion characteristics and OCT features between the training and testing groups were similar. During the machine learning modeling of the training group, six important features of machine learning-FFR were identified: minimal luminal area, percentage of the stenotic area, lesion length, proximal luminal area, pre-procedural platelet count, and hypertension. machine learning-FFR values showed a good correlation (r=0.853, P<0.001) with wire-based FFR values (Figure 1A). The diagnostic power of an FFR value less than 0.8, sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of machine learning-FFR values for the testing group were 85.7%, 100%, 100%, 77.8%, and 90.5%, respectively (Figure 1B). Additionally, OCT-based machine learning-FFR values showed a good diagnostic accuracy compared with other image-based FFR values.
Conclusions
The OCT-based machine learning-FFR method can be used to simultaneously acquire information on both image and functional modalities using one invasive procedure, suggesting that it may be used to optimize treatments for intermediate coronary artery stenosis, as well as save time and cost.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Funded by the Korean government (MSIT) (no. 2017R1A2B2003191)
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Affiliation(s)
- J.J Cha
- Korea University Anam Hospital, Division of Cardiology, Department of Internal Medicine, Seoul, Korea (Republic of)
| | - T.D Son
- Yonsei University, Electrical Engineering, Seoul, Korea (Republic of)
| | - J Ha
- Yonsei University, Electrical Engineering, Seoul, Korea (Republic of)
| | - J.S Kim
- Yonsei University College of Medicine, Severance Cardiovascular Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
| | - S.J Hong
- Yonsei University College of Medicine, Severance Cardiovascular Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
| | - C.M Ahn
- Yonsei University College of Medicine, Severance Cardiovascular Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
| | - B.K Kim
- Yonsei University College of Medicine, Severance Cardiovascular Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
| | - Y.G Ko
- Yonsei University College of Medicine, Severance Cardiovascular Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
| | - D Choi
- Yonsei University College of Medicine, Severance Cardiovascular Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
| | - M.K Hong
- Yonsei University College of Medicine, Severance Cardiovascular Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
| | - Y Jang
- Yonsei University College of Medicine, Severance Cardiovascular Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
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Ko Y, Lee G, Kim B, Park M, Jang Y, Lim W. Modification of the RANKL-RANK-binding site for the immunotherapeutic treatment of osteoporosis. Osteoporos Int 2020; 31:983-993. [PMID: 31863125 DOI: 10.1007/s00198-019-05200-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 10/16/2019] [Indexed: 12/20/2022]
Abstract
UNLABELLED Here, we proposed the use of mutated RANKL as an immunogen for active immunization and to induce anti-cytokine antibodies for osteoporosis treatment. INTRODUCTION Osteoclasts are responsible for bone resorption in bone-related disorders. Anti-cytokine therapeutic antibodies such as denosumab are effective for the treatment of osteoporosis. However, problems with antibody manufacturing and the immunogenicity caused by multiple antibody doses have led to the use of auto-cytokines as immunogens to induce anti-cytokine antibodies. METHODS RANKL was point-mutated based on the crystal structure of the complex of RANKL and its receptor RANK. RESULTS As a proof of concept, immunization with RANKL produced high levels of specific antibodies and blocked osteoclast development in vitro and inhibited osteoporosis in RANKL-treated or ovariectomized mouse models. CONCLUSIONS The results demonstrate the successful use of mutated RANKL as an immunogen for the induction of anti-RANKL immune response. This strategy is useful in general anti-cytokine immunotherapy to avoid toxic side effects of osteoporosis treatment.
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Affiliation(s)
- Y Ko
- Department of Orthopaedic Surgery, Chosun University Hospital, Gwangju, 61453, South Korea
- Laboratory of Orthopaedic Research, Chosun University Hospital, Gwangju, 61453, South Korea
| | - G Lee
- Department of Orthopaedic Surgery, Chosun University Hospital, Gwangju, 61453, South Korea
- Laboratory of Orthopaedic Research, Chosun University Hospital, Gwangju, 61453, South Korea
| | - B Kim
- Department of Orthopaedic Surgery, Chosun University Hospital, Gwangju, 61453, South Korea
- Laboratory of Orthopaedic Research, Chosun University Hospital, Gwangju, 61453, South Korea
| | - M Park
- Department of Orthopaedic Surgery, Chosun University Hospital, Gwangju, 61453, South Korea
- Laboratory of Orthopaedic Research, Chosun University Hospital, Gwangju, 61453, South Korea
| | - Y Jang
- Department of Orthopaedic Surgery, Chosun University Hospital, Gwangju, 61453, South Korea
- Laboratory of Orthopaedic Research, Chosun University Hospital, Gwangju, 61453, South Korea
- Department of Premedical Program, School of Medicine, Chosun University, Gwangju, 61452, South Korea
| | - W Lim
- Department of Orthopaedic Surgery, Chosun University Hospital, Gwangju, 61453, South Korea.
- Laboratory of Orthopaedic Research, Chosun University Hospital, Gwangju, 61453, South Korea.
- Department of Premedical Program, School of Medicine, Chosun University, Gwangju, 61452, South Korea.
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Kim YH, Her AY, Jeong MH, Kim BK, Lee SY, Hong SJ, Shin DH, Ahn CM, Kim JS, Ko YG, Choi D, Hong MK, Jang Y. P4393Current smoking and gender difference in South Korean AMI patients who underwent PCI with DES. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
There is some debate on whether or not there is a gender difference is present between current smoking and cardiovascular disease.
Purpose
We decide to evaluate the impact of sex difference on the 2-year clinical outcomes in Korean acute myocardial infarction (AMI) patients who currently smoke and who underwent percutaneous coronary intervention (PCI) with drug-eluting stents (DES).
Methods
The data of this study was obtained from the Korea Acute Myocardial Infarction (KAMIR) registry. More than fifty high-volume universites or community hospitals with facilities for primary PCI and onsite cardiac surgery participated in this KAMIR registry. A total of 12565 current smoker AMI patients were enrolled and divided into the male (n=11767, 93.6%) or female (n=798, 6.4%) group. The clinical endpoint was the occurrence of major adverse cardiac events (MACE) defined as all-cause death, recurrent myocardial infarction (re-MI), and total repeat revascularization.
Results
Before risk adjustment, the cumulative incidences of MACE (7.2% vs. 10.0%, hazard ratio [HR], 1.419; 95% confidence interval [CI], 1.125–1.790; P=0.003), all-cause death (HR, 1.988; 95% CI, 1.417–2.789; P<0.001), and re-MI (HR, 1.885; 95% CI, 1.154–3.078; P=0.011) were significantly higher in the female group compared with the male group. However, after adjustment the cumulative incidences of MACE (adjusted HR, 1.047; 95% CI, 0.756–1.450; P=0.782), all-cause death, re-MI, total repeat revascularization, TLR, TVR, and non-TVR were similar between the two groups.
Clinical outcomes at 2-year Outcomes Cumulative Events at 2-year (%) Unadjusted Adjusted* Propensity-score adjusted Male Female Log-rank Hazard Ratio (95% CI) p value Hazard Ratio (95% CI) p value Hazard Ratio (95% CI) p value MACE 819 (7.2) 78 (10.0) 0.003 1.419 (1.125–1.790) 0.003 1.047 (0.756–1.450) 0.782 1.133 (0.871–1.473) 0.352 All-cause death 283 (2.5) 38 (4.8) <0.001 1.988 (1.417–2.789) <0.001 0.764 (0.457–1.279) 0.306 1.105 (0.744–1.641) 0.620 Cardiac death 224 (1.9) 25 (3.2) 0.016 1.654 (1.094–2.500) 0.017 0.512 (0.261–1.005) 0.052 0.822 (0.511–1.322) 0.419 Re-MI 142 (1.3) 18 (2.4) 0.010 1.885 (1.154–3.078) 0.011 1.741 (0.887–3.419) 0.107 1.835 (1.109–3.375) 0.062 Total revascularization 444 (4.0) 27 (3.6) 0.594 0.900 (0.610–1.327) 0.594 1.069 (0.654–1.748) 0.789 0.956 (0.627–1.458) 0.835 TLR 121 (1.1) 8 (1.1) 0.956 0.980 (0.479–2.004) 0.956 0.955 (0.366–2.497) 0.926 0.868 (0.395–1.910) 0.726 TVR 228 (2.1) 14 (1.9) 0.726 0.908 (0.529–1.558) 0.726 1.051 (0.518–2.135) 0.890 0.935 (0.519–1.684) 0.823 Non-TVR 223 (2.0) 13 (1.7) 0.602 0.862 (0.493–1.508) 0.602 1.060 (0.536–2.097) 0.867 0.942 (0.514–1.726) 0.847
Conclusion
Before risk adjustment, a gender difference was suggested in the female group compared with the male in these current smoker South Korean AMI patients during a 2-year follow-up period. However, after adjustment, gender difference was not observed in these AMI patients with a history of current smoking.
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Affiliation(s)
- Y H Kim
- Kangwon National University School of Medicine, Chuncheon City, Korea (Republic of)
| | - A.-Y Her
- Kangwon National University School of Medicine, Chuncheon City, Korea (Republic of)
| | - M H Jeong
- Chonnam National University Hospital, Department of Cardiology, Gwangju, Korea (Republic of)
| | - B.-K Kim
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - S.-Y Lee
- Sanbon Hospital, Wonkwang University College of Medicine, Department of Cardiology, Gunpo, Korea (Republic of)
| | - S.-J Hong
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - D.-H Shin
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - C.-M Ahn
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - J.-S Kim
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - Y.-G Ko
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - D Choi
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - M.-K Hong
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - Y Jang
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
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Son H, Jang Y, Ahn J, Jung C, Ha T. P.1282, 6-Dimethoxy-1, 4-benzoquinone increases skeletal muscle mass through Akt/mTOR signaling pathway. Neuromuscul Disord 2019. [DOI: 10.1016/j.nmd.2019.06.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kim YH, Her AY, Jeong MH, Kim BK, Lee SY, Hong SJ, Shin DH, Ahn CM, Kim JS, Ko YG, Choi D, Hong MK, Jang Y. P833Two-year clinical outcomes between statin with ACE inhibitor or ARB in patients with ST-segment elevation myocardial infarction after successful PCI with DES. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Limited comparative data are available.
Purpose
We decided to compare 2-year major clinical outcomes between statin with ACEI and statin ARB therapy in patients with STEMI after PCI with drug-eluting stents (DES).
Methods
A total 11706 STEMI patients who underwent PCI with DES and who prescribed statin were enrolled and they were divided into two groups, the statin with ACEI group (n=8705) and the statin with ARB group (n=3001). The primary endpoint was the major adverse cardiac events (MACE) defined as all-cause death, recurrent myocardial infarction (re-MI), target lesion revascularization (TLR), target vessel revascularization (TVR), non-TVR. The secondary endpoints were the cumulative incidences of individual components of MACE and target vessel failure (TVF), a composite of death related to the target vessel, re-MI, or clinically driven TVR.
Results
Two PSM groups (2835 pairs, n=5670, C-statistic = 0.680) were generated. The relative risk of MACE was higher in the statin with ARB group compared to statin with ACEI groups after propensity score-matched (PSM) analysis (hazard ratio [HR]: 1.323, 95% confidence interval [CI]: 1.085–1.613, p=0.006). The relative risks of cardiac death (HR: 1.831, 95% CI: 1.199–2.740, p=0.005), total repeat revascularization (HR: 1.487, 95% CI: 1.133–1.950, p=0.004), and non-TVR (HR: 1.696, 95% CI: 1.122–2.564, p=0.012) were also higher in the statin with ARB group after PSM.
Outcomes Cumulative Events at 2-year (%) Hazard Ratio (95% CI) p value Statin + ACEI Statin + ARB Log-rank Propensity score matched Patients MACE 173 (6.5) 225 (8.5) 0.006 1.323 (1.085–1.613) 0.006 All-cause death 58 (2.2) 80 (3.0) 0.054 1.391 (0.992–1.950) 0.056 Cardiac death 35 (1.3) 63 (2.3) 0.004 1.831 (1.199–2.740) 0.005 Re-MI 39 (1.5) 44 (1.7) 0.548 1.141 (0.742–1.756) 0.548 Total repeat revascularization 88 (3.4) 128 (4.9) 0.004 1.487 (1.133–1.950) 0.004 TLR 26 (1.0) 40 (1.5) 0.075 1.561 (0.953–2.558) 0.077 TVR 53 (2.0) 71 (2.8) 0.086 1.364 (0.955–1.946) 0.088 Non-TVR 36 (1.4) 60 (2.3) 0.011 1.696 (1.122–2.564) 0.012 TVF 140 (5.3) 173 (6.6) 0.050 1.249 (1.000–1.561) 0.050
Conclusions
In this study, we suggest that the combination of statin with ACEI may be beneficial for reducing the cumulative incidences of MACE, total repeat revascularization rate, and non-TVR rather than the statin with ARB after PCI with DES in STEMI patients.
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Affiliation(s)
- Y H Kim
- Kangwon National University School of Medicine, Chuncheon City, Korea (Republic of)
| | - A.-Y Her
- Kangwon National University School of Medicine, Chuncheon City, Korea (Republic of)
| | - M.-H Jeong
- Chonnam National University Hospital, Department of Cardiology, Gwangju, Korea (Republic of)
| | - B.-K Kim
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - S.-Y Lee
- Sanbon Hospital, Wonkwang University College of Medicine, Department of Cardiology, Gunpo, Korea (Republic of)
| | - S.-J Hong
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - D.-H Shin
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - C.-M Ahn
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - J.-S Kim
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - Y.-G Ko
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - D Choi
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - M.-K Hong
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - Y Jang
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
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Kim YH, Her AY, Jeong MH, Kim BK, Lee SY, Hong SJ, Shin DH, Ahn CM, Kim JS, Ko YG, Choi D, Hong MK, Jang Y. P5362Impact of statin therapy on long-term clinical outcomes between STEMI and NSTEMI after stent implantation. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Although European guideline recommends that statin should be given to all patients with acute myocardial infarction (AMI), irrespective of cholesterol concentration, limited studies were focused on the long-term effects of statin therapy between ST-segment elevation MI (STEMI) and non-ST-segment elevation MI (NSTEMI).
Purpose
The authors conducted the study to compare the relative beneficial role of statin on 2-year major clinical outcomes between STEMI and NSTEMI in patients who underwent successful PCI with DES.
Methods
Finally, a total of 26317 AMI patients who underwent stent implantation and who were prescribed the statin were enrolled and they were separated into two groups; the STEMI group (n=15002) and the NSTEMI group (n=11315). The clinical endpoint was the occurrence of major adverse cardiac events (MACE) defined as all-cause death, recurrent myocardial infarction (re-MI), total coronary revascularization (target lesion revascularization [TLR], target vessel revascularization [TVR], non-TVR) during 2-year follow-up period.
Results
After propensity score-matched (PSM) analysis, two PSM groups (7746 pairs, n=15492, C-statistic = 0.766) were generated. In the total study population, the cumulative incidences of MACE, all-cause death, and cardiac death were significantly higher in the NSTEMI group. However, after PSM, the cumulative incidence of all-cause death (Hazard ratio, 1.386; 95% CI, 1.133–1.696; p=0.002) was significantly higher in the NSTEMI group. The cumulative incidences of MACE, cardiac death, re-MI, total revascularization, TLR, TVR, and non-TVR were similar between the two groups (Table 1).
Outcomes Cumulative Events at 2-year (%) Hazard Ratio (95% CI) p value STEMI NSTEMI Log-rank Propensity score matched patients MACE 532 (7.2) 584 (8.1) 0.092 1.106 (0.984–1.244) 0.092 All-cause death 163 (2.2) 224 (3.1) 0.001 1.386 (1.133–1.696) 0.002 Cardiac death 121 (1.5) 148 (2.0) 0.088 1.232 (0.969–1.566) 0.089 Re-MI 117 (1.6) 107 (1.5) 0.545 0.922 (0.710–1.199) 0.545 Total revascularization 291 (4.1) 307 (4.4) 0.422 1.068 (0.910–1.254) 0.423 TLR 92 (1.3) 89 (1.2) 0.880 0.978 (0.731–1.309) 0.880 TVR 173 (2.4) 184 (2.6) 0.478 1.078 (0.876–1.327) 0.478 Non-TVR 123 (1.7) 130 (1.9) 0.593 1.070 (0.836–1.369) 0.539
Conclusion
The mortality reduction capability of statin was more prominent in the STEMI group compared with the NSTEMI group.
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Affiliation(s)
- Y H Kim
- Kangwon National University School of Medicine, Chuncheon City, Korea (Republic of)
| | - A.-Y Her
- Kangwon National University School of Medicine, Chuncheon City, Korea (Republic of)
| | - M H Jeong
- Chonnam National University Hospital, Department of Cardiology, Gwangju, Korea (Republic of)
| | - B.-K Kim
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - S.-Y Lee
- Sanbon Hospital, Wonkwang University College of Medicine, Department of Cardiology, Gunpo, Korea (Republic of)
| | - S.-J Hong
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - D.-H Shin
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - C.-M Ahn
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - J.-S Kim
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - Y.-G Ko
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - D Choi
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - M.-K Hong
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - Y Jang
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
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Kim YH, Her AY, Jeong MH, Kim BK, Lee SY, Hong SJ, Shin DH, Ahn CM, Kim JS, Ko YG, Choi D, Hong MK, Jang Y. P5494Impact of the gender difference on long-term clinical outcomes in dyslipidemic South Korean AMI patients who underwent PCI with new-generation DES. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
There are limited comparative data concerning long-term major clinical outcomes between male and female in dyslipidemic AMI patients after PCI with new-generation DES.
Purpose
We thought to investigate the impact of gender difference on the 2-year clinical outcomes.
Methods
Finally, a total of 2403 eligible dyslipidemic AMI patients who underwent PCI with new-generation DES were enrolled and they were separated into two groups; the male group (n=1800) and the female group (n=603). The primary endpoint was major adverse cardiac events (MACE) defined as all-cause death, recurrent myocardial infarction (re-MI), target lesion revascularization (TLR), and target vessel revascularization (TVR). The secondary endpoints were the incidence of the individual components of MACE and target vessel failure (TVF), a composite of death related to the target vessel, re-MI, or clinically driven TVR
Results
Two propensity score-matched (PSM) groups (422 pairs, n=844, C-statistic = 0.850) were generated. In the total study population, the cumulative incidences of MACE, all-cause death, re-MI, and TVF were significantly higher in the female group compared with the male group. However, after propensity score-matched (PSM) analysis, the cumulative incidences of MACE (HR, 0.971; 95% CI, 0.628–1.501; p=0.895), all-cause death (HR, 1.061; 95% CI, 0.536–2.100; p=0.865), re-MI (HR, 1.212; 95% CI, 0.433–2.907; p=0.813), and TVF (HR, 0.764; 95% CI, 0.474–1.229; p=0.267) were similar between the two groups. In addition, the cumulative incidences of cardiac death, TLR, TVR were not significantly different between the two groups (Table 1).
Outcomes Cumulative Events at 2-year (%) Hazard Ratio (95% CI) p value Male Female Log-rank Propensity score matched patients MACE 41 (10.4) 40 (10.3) 0.895 0.971 (0.628–1.501) 0.895 All-cause death 16 (4.0) 17 (4.2) 0.865 1.061 (0.536–2.100) 0.865 Cardiac death 13 (3.3) 9 (2.2) 0.391 0.691 (0.295–1.616) 0.393 Re-MI 8 (2.0) 9 (2.4) 0.813 1.212 (0.433–2.907) 0.813 TLR 7 (1.8) 6 (1.6) 0.781 0.857 (0.298–2.550) 0.781 TVR 16 (4.3) 10 (2.7) 0.236 0.623 (0.283–1.373) 0.241 TVF 39 (10.2) 30 (7.8) 0.265 0.764 (0.474–1.229) 0.267
Conclusion
The gender difference was not apparent in these dyslipidemic South Korean AMI patients who underwent PCI with new-generation DES during 2-year follow-up period.
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Affiliation(s)
- Y H Kim
- Kangwon National University School of Medicine, Chuncheon City, Korea (Republic of)
| | - A.-Y Her
- Kangwon National University School of Medicine, Chuncheon City, Korea (Republic of)
| | - M.-H Jeong
- Chonnam National University Hospital, Department of Cardiology, Gwangju, Korea (Republic of)
| | - B.-K Kim
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - S.-Y Lee
- Sanbon Hospital, Wonkwang University College of Medicine, Department of Cardiology, Gunpo, Korea (Republic of)
| | - S.-J Hong
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - D.-H Shin
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - C.-M Ahn
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - J.-S Kim
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - Y.-G Ko
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - D Choi
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - M.-K Hong
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - Y Jang
- Severance Cardiovascular Hospital, Division of Cardiology, Yonsei University College of Medicine, Seoul, Korea (Republic of)
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Jeon S, Jang Y, Min J, Kim D, Jeon H. Doxorubicin-loaded oligonucleotide conjugated gold nanoparticles: A promising drug delivery system for ovarian cancer. Gynecol Oncol 2019. [DOI: 10.1016/j.ygyno.2019.04.233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Zheng M, Jang Y, Choi N, Kim DY, Han TW, Yeo JH, Lee J, Sung JH. Hypoxia improves hair inductivity of dermal papilla cells via nuclear NADPH oxidase 4-mediated reactive oxygen species generation'. Br J Dermatol 2019; 181:523-534. [PMID: 30703252 DOI: 10.1111/bjd.17706] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/24/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Dermal papilla cells (DPCs) play a key role in hair regeneration and morphogenesis. Therefore, tremendous efforts have been made to promote DPC hair inductivity. OBJECTIVES The aim of this study was to investigate the mitogenic and hair inductive effects of hypoxia on DPCs and examine the underlying mechanism of hypoxia-induced stimulation of DPCs. METHODS DPCs' hair inductivity was examined under normoxia (20% O2 ) and hypoxia (2% O2 ). RESULTS Hypoxia significantly increased the proliferation and delayed senescence of DPCs via Akt phosphorylation and downstream pathways. Hypoxia upregulated growth factor secretion of DPCs through the mitogen-activated protein kinase pathway. Hypoxia-preconditioned DPCs induced the telogen-to-anagen transition in C3 H mice, and also enhanced hair neogenesis in a hair reconstitution assay. Injected green fluorescent protein-labelled DPCs migrated to the outer root sheath of the hair follicle, and hypoxia-preconditioning increased survival and migration of DPCs in vivo. Conditioned medium obtained from hypoxia increased the hair length of mouse vibrissa follicles via upregulation of alkaline phosphatase, vascular endothelial growth factor, and glial cell line-derived neurotrophic factor. We examined the mechanism of this hypoxia-induced stimulation, and found that reactive oxygen species (ROS) play a key role. For example, inhibition of ROS generation by N-acetylcysteine or diphenyleneiodonium treatment attenuated DPCs' hypoxia-induced stimulation, but treatment with ROS donors induced mitogenic effects and anagen transition. NADPH oxidase 4 is highly expressed in the DPC nuclear region, and NOX4 knockout by CRISPR-Cas9 attenuated the hypoxia-induced stimulation of DPCs. CONCLUSIONS Our results suggest that DPC culture under hypoxia has great advantages over normoxia, and is a novel solution for producing DPCs for cell therapy. What's already known about this topic? Dermal papilla cells (DPCs) play a key role in hair regeneration and morphogenesis, but they are difficult to isolate and expand for use in cell therapy. Tremendous efforts have been made to increase proliferation of DPCs and promote their hair formation ability. What does this study add? Hypoxia (2% O2 ) culture of DPCs increases proliferation, delays senescence and enhances hair inductivity of DPCs. Reactive oxygen species play a key role in hypoxia-induced stimulation of DPC. What is the translational message? Preconditioning DPCs under hypoxia improves their hair regenerative potential, and is a novel solution for producing DPCs for cell therapy to treat hair loss.
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Affiliation(s)
- M Zheng
- STEMORE Co. Ltd, Incheon, South Korea
| | - Y Jang
- STEMORE Co. Ltd, Incheon, South Korea
| | - N Choi
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
| | - D Y Kim
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
| | - T W Han
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
| | - J H Yeo
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
| | - J Lee
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
| | - J-H Sung
- STEMORE Co. Ltd, Incheon, South Korea.,College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
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Rhee M, Jang Y. COMPLETION OF ADVANCE DIRECTIVES IN OLDER ASIAN AMERICANS: ROLE OF CULTURAL FACTORS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.2433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- M Rhee
- University of Texas at Austin
| | - Y Jang
- The University of Texas at Austin
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Park N, Jang Y, Chung S, Chiriboga D. A COMPARATIVE STUDY OF THE ROLE OF SOCIAL NETWORKS ON DEPRESSIVE SYMPTOMS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.2485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- N Park
- University of South Florida
| | - Y Jang
- The University of Texas at Austin
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Cho Y, Hai A, Jang Y. THE IMPACT OF PERCEIVED DISCRIMINATION ON MENTAL DISTRESS IN OLDER ASIAN AMERICANS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Y Cho
- The University of Texas at Austin
| | - A Hai
- The University of Texas at Austin
| | - Y Jang
- The University of Texas at Austin
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Jang Y, Jang E. A Study of Mental Disorder Classification using Electro-cardiac Signal During Executing a Series of Mental Tasks. Int J Psychophysiol 2018. [DOI: 10.1016/j.ijpsycho.2018.07.280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Lee O, Kim K, Kim J, Kim YD, Pak H, Hong G, Chim CY, Uhm J, Cho I, Joung B, Yu C, Lee H, Kang W, Heo J, Jang Y. P3830Favorable neurological outcomes of left atrial appendage occlusion versus non-vitamin K antagonist oral anticoagulants after stroke in atrial fibrillation. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- O Lee
- Severance Hospital, Cardiology, Yongin, Korea Republic of
| | - K Kim
- Severance Hospital, Cardiology, Seoul, Korea Republic of
| | - J Kim
- Severance Hospital, Cardiology, Seoul, Korea Republic of
| | - Y D Kim
- Severance Hospital, Neurology, Seoul, Korea Republic of
| | - H Pak
- Severance Hospital, Cardiology, Seoul, Korea Republic of
| | - G Hong
- Severance Hospital, Cardiology, Seoul, Korea Republic of
| | - C Y Chim
- Severance Hospital, Cardiology, Seoul, Korea Republic of
| | - J Uhm
- Severance Hospital, Cardiology, Seoul, Korea Republic of
| | - I Cho
- Severance Hospital, Cardiology, Seoul, Korea Republic of
| | - B Joung
- Severance Hospital, Cardiology, Seoul, Korea Republic of
| | - C Yu
- Korea University Anam Hospital, Cardiology, Seoul, Korea Republic of
| | - H Lee
- Sejong General Hospital, Cardiology, Seoul, Korea Republic of
| | - W Kang
- Gil Hospital, Cardiology, Incheon, Korea Republic of
| | - J Heo
- Severance Hospital, Neurology, Seoul, Korea Republic of
| | - Y Jang
- Severance Hospital, Cardiology, Seoul, Korea Republic of
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Lee SH, Lee CJ, Lee Y, Park S, Kang SM, Choi D, Jang Y, Lee JH. P6271Variants of CETP, LIPC, and SCARB1 genes in Korean patients with very high HDL-cholesterol levels. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p6271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- S.-H Lee
- Yonsei University College of Medicine, Cardiology, Internal Medicine, Seoul, Korea Republic of
| | - C J Lee
- Yonsei University College of Medicine, Cardiology, Internal Medicine, Seoul, Korea Republic of
| | - Y Lee
- Kyung Hee University, Clinical Pharmacology and Therapeutics, Seoul, Korea Republic of
| | - S Park
- Yonsei University College of Medicine, Cardiology, Internal Medicine, Seoul, Korea Republic of
| | - S.-M Kang
- Yonsei University College of Medicine, Cardiology, Internal Medicine, Seoul, Korea Republic of
| | - D Choi
- Yonsei University College of Medicine, Cardiology, Internal Medicine, Seoul, Korea Republic of
| | - Y Jang
- Yonsei University College of Medicine, Cardiology, Internal Medicine, Seoul, Korea Republic of
| | - J H Lee
- Kyung Hee University, Clinical Pharmacology and Therapeutics, Seoul, Korea Republic of
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Park NS, Jang Y, Lee BS, Chiriboga DA, Chang S, Kim SY. Associations of a social network typology with physical and mental health risks among older adults in South Korea. Aging Ment Health 2018; 22:631-638. [PMID: 28290722 DOI: 10.1080/13607863.2017.1286456] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVES The objectives of this study were to (1) develop an empirical typology of social networks in older Koreans; and (2) examine its effect on physical and mental health. METHOD A sample of 6900 community-dwelling older adults in South Korea was drawn from the 2014 Korean National Elderly Survey. Latent profile analysis (LPA) was conducted to derive social network types using eight common social network characteristics (marital status, living arrangement, the number and frequency of contact with close family/relatives, the number and frequency of contact with close friends, frequency of participation in social activities, and frequency of having visitors at home). The identified typologies were then regressed on self-rated health and depressive symptoms to explore the health risks posed by the group membership. RESULTS The LPA identified a model with five types of social network as being most optimal (BIC = 153,848.34, entropy = .90). The groups were named diverse/family (enriched networks with more engagement with family), diverse/friend (enriched networks with more engagement with friends), friend-focused (high engagement with friends), distant (structurally disengaged), and restricted (structurally engaged but disengaged in family/friends networks). A series of regression analyses showed that membership in the restricted type was associated with more health and mental health risks than all types of social networks except the distant type. CONCLUSION Findings demonstrate the importance of family and friends as a source of social network and call attention to not only structural but also non-structural aspects of social isolation. Findings and implications are discussed in cultural contexts.
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Affiliation(s)
- N S Park
- a School of Social Work, University of South Florida , Tampa , FL , USA
| | - Y Jang
- b School of Social Work, The University of Texas at Austin , Austin , TX , USA
| | - B S Lee
- c Department of Mental Health Law and Policy , University of South Florida , Tampa , FL , USA
| | - D A Chiriboga
- d Department of Child and Family Studies , University of South Florida , Tampa , FL , USA
| | - S Chang
- e Department of Social Welfare , Kyungsung University , Busan , South Korea
| | - S Y Kim
- e Department of Social Welfare , Kyungsung University , Busan , South Korea
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Kim S, Jeong S, Woo I, Jang Y, Maciejewski R, Ebert DS. Data Flow Analysis and Visualization for Spatiotemporal Statistical Data without Trajectory Information. IEEE Trans Vis Comput Graph 2018; 24:1287-1300. [PMID: 28186901 DOI: 10.1109/tvcg.2017.2666146] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Geographic visualization research has focused on a variety of techniques to represent and explore spatiotemporal data. The goal of those techniques is to enable users to explore events and interactions over space and time in order to facilitate the discovery of patterns, anomalies and relationships within the data. However, it is difficult to extract and visualize data flow patterns over time for non-directional statistical data without trajectory information. In this work, we develop a novel flow analysis technique to extract, represent, and analyze flow maps of non-directional spatiotemporal data unaccompanied by trajectory information. We estimate a continuous distribution of these events over space and time, and extract flow fields for spatial and temporal changes utilizing a gravity model. Then, we visualize the spatiotemporal patterns in the data by employing flow visualization techniques. The user is presented with temporal trends of geo-referenced discrete events on a map. As such, overall spatiotemporal data flow patterns help users analyze geo-referenced temporal events, such as disease outbreaks, crime patterns, etc. To validate our model, we discard the trajectory information in an origin-destination dataset and apply our technique to the data and compare the derived trajectories and the original. Finally, we present spatiotemporal trend analysis for statistical datasets including twitter data, maritime search and rescue events, and syndromic surveillance.
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Jang Y, Yoon H, Park N, Chiriboga D. ORAL HEALTH AND DENTAL CARE IN OLDER ASIAN AMERICANS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Y. Jang
- The University of Texas at Austin, Austin, Texas,
| | - H. Yoon
- The University of Texas at Austin, Austin, Texas,
| | - N.S. Park
- University of South Florida, Tampa, Florida
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Jang Y, Park N, Chiriboga D. THE KNOWING-DOING GAP IN ADVANCE DIRECTIVES IN ASIAN AMERICANS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Y. Jang
- The University of Texas at Austin, Austin, Texas,
| | - N.S. Park
- University of South Florida, Tampa, Florida
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Jang Y. HEALTH DISPARITIES OF KOREAN AMERICAN OLDER ADULTS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.3936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Y. Jang
- University of Texas-Austin, Austin, Texas
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Lee S, Jang Y. P18.04 IDH-1 mutation determines health-related quality of life and cognitive deficit after surgery in high grade glioma. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Jang Y, Ferracane JL, Pfeifer CS, Park JW, Shin Y, Roh BD. Effect of Insufficient Light Exposure on Polymerization Kinetics of Conventional and Self-adhesive Dual-cure Resin Cements. Oper Dent 2017; 42:E1-E9. [DOI: 10.2341/15-278-l] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
SUMMARY
Objectives: The purpose of this study was to investigate the influence of insufficient light exposure on the polymerization of conventional and self-adhesive dual-cure resin cements under ceramic restorations.
Methods: Two conventional dual-cure resin cements (Rely-X ARC, Duolink) and two self-adhesive resin cements (Rely-X U200, Maxcem Elite) were polymerized under different curing modes (dual-cure or self-cure), curing times (20 and 120 seconds), and thickness of a ceramic overlay (2 and 4 mm). Polymerization kinetics was measured by Fourier transform infrared spectroscopy for the initial 10 minutes and after 24 hours. Data were analyzed using mixed model analysis of variance (ANOVA), one-way ANOVA/Student-Newman-Keuls post hoc test, and paired t-test (α=0.05).
Results: When light-curing time was set to 20 seconds, the presence of the ceramic block significantly affected the degree of conversion (DC) of all resin cements. Especially, the DC of the groups with 20 seconds of light-curing time under 4 mm of ceramic thickness was even lower than that of the self-cured groups at 24 hours after polymerization (p<0.05). However, when light-curing time was set to 120 seconds, a similar DC compared with the group with direct light exposure (p>0.05) was achieved in all dual-cure groups except Maxcem Elite, at 24 hours after polymerization.
Conclusions: For both conventional and self-adhesive dual-cure resin cements, insufficient light exposure (20 seconds of light-curing time) through thick ceramic restoration (4 mm thick) resulted in a DC even lower than that of self-curing alone.
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Affiliation(s)
- Y Jang
- Youngjune Jang, DDS, PhD, Yonsei University, Department of Conservative Dentistry and Oral Science Research Center, College of Dentistry, Seoul, Republic of Korea
| | - JL Ferracane
- Jack L Ferracane, PhD, Oregon Health & Science University, Restorative Dentistry, Portland, OR, USA
| | - CS Pfeifer
- Carmem Silvia Pfeifer, DDS, PhD, Oregon Health & Science University, Restorative Dentistry, Portland, OR, USA
| | - JW Park
- Jeong-Won Park, DDS, MSD, PhD, Yonsei University, Department of Conservative Dentistry and Oral Science Research Center, College of Dentistry, Gangnam Severance Hospital, Seoul, Republic of Korea
| | - Y Shin
- Yooseok Shin, DDS, MSD, PhD, Yonsei University, Department of Conservative Dentistry and Oral Science Research Center, College of Dentistry, Seoul, Republic of Korea
| | - BD Roh
- Byoung-Duck Roh, DDS, MSD, PhD, Yonsei University, Department of Conservative Dentistry and Oral Science Research Center, College of Dentistry, Seoul, Republic of Korea
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Kim H, Kang E, Kim E, Jang Y. 117PD_PR Survival benefit of surgical removal for the primary tumor in stage IV breast cancer patients. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw577.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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36
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Kim H, Kang E, Kim E, Jang Y. 117PD_PR Survival benefit of surgical removal for the primary tumor in stage IV breast cancer patients. Ann Oncol 2016. [DOI: 10.1016/s0923-7534(21)00276-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Moon J, Choi B, Kim M, Kim S, Jang Y, Cho E, Kim KH, Byun K, Chung WJ. PM301 Mesenchymal Stem Cells Attenuate Progression of Vascular Remodeling in Pulmonary Arterial Hypertension Rodent Model. Glob Heart 2016. [DOI: 10.1016/j.gheart.2016.03.423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Yoon JK, Choi J, Lee HJ, Cho Y, Gwon YD, Jang Y, Kim S, Choi H, Lee JH, Kim YB. Distribution of Porcine Endogenous Retrovirus in Different Organs of the Hybrid of a Landrace and a Jeju Domestic Pig in Korea. Transplant Proc 2016; 47:2067-71. [PMID: 26293098 DOI: 10.1016/j.transproceed.2015.05.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Accepted: 05/22/2015] [Indexed: 01/30/2023]
Abstract
Xenotransplantation offers a solution to the shortage of available organs for transplantation, and the pig represents an ideal source of such organs. However, porcine endogenous retrovirus (PERV), whose genome is integrated in pigs, has been suggested to pose a potential risk of xenotransmission. Expression of PERVs in different organs of pigs was carefully measured at DNA, mRNA, and protein levels, providing information valuable for the application of pig organs in xenotransplantation. An analysis of PERV DNA showed that a very similar number of PERV copies was present in the genome of all organs, whereas mRNA and protein levels of PERV varied depending on the organ, with kidney, liver, and spleen expressing high levels of both mRNA and protein. In contrast, mRNA and protein levels were dissimilar in the lung and brain, where mRNA levels were low but protein levels were high. This discrepancy indicates that mRNA levels are not always reflected in protein expression. In addition, the difference between mRNA and protein highlights the importance of choosing the proper analysis method for diagnosing viral infection. In summary, this study provides insight into the distribution of PERV in various organs at the DNA, mRNA, and protein levels, and also informs the proper selection of tissues or organs for future clinical xenotransplantation.
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Affiliation(s)
- J K Yoon
- Department of Bio-industrial Technologies, Konkuk University, Seoul, Korea
| | - J Choi
- Department of Bio-industrial Technologies, Konkuk University, Seoul, Korea
| | - H J Lee
- Department of Bio-industrial Technologies, Konkuk University, Seoul, Korea
| | - Y Cho
- Department of Bio-industrial Technologies, Konkuk University, Seoul, Korea
| | - Y D Gwon
- Department of Bio-industrial Technologies, Konkuk University, Seoul, Korea
| | - Y Jang
- Department of Bio-industrial Technologies, Konkuk University, Seoul, Korea
| | - S Kim
- Department of Bio-industrial Technologies, Konkuk University, Seoul, Korea
| | - H Choi
- Department of Bio-industrial Technologies, Konkuk University, Seoul, Korea
| | - J H Lee
- College of Veterinary Medicine, Konkuk University, Seoul, Korea
| | - Y B Kim
- Department of Bio-industrial Technologies, Konkuk University, Seoul, Korea.
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Lee S, Jang Y, Lee SJ, Hohng S. Single-Molecule Multicolor FRET Assay for Studying Structural Dynamics of Biomolecules. Methods Enzymol 2016; 581:461-486. [DOI: 10.1016/bs.mie.2016.08.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Kim J, Seo J, Kim W, Yun HM, Kim SC, Jang Y, Jang K, Kim K, Kim B, Park S, Park I, Kim MK, Seo KS, Kim HB, Kim IH, Seo S, Song M. Effects of Palm Kernel Expellers on Productive Performance, Nutrient Digestibility, and White Blood Cells of Lactating Sows. Asian-Australas J Anim Sci 2015; 28:1150-4. [PMID: 26104523 PMCID: PMC4478483 DOI: 10.5713/ajas.14.0908] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 02/03/2015] [Accepted: 03/14/2015] [Indexed: 11/27/2022]
Abstract
This experiment was conducted to investigate the effects of palm kernel expellers on productive performance, nutrient digestibility, and changes in white blood cells (WBC) of lactating sows. A total of 14 sows (200±12 kg of average body weight [BW]; 2.5 of average parity) were used and moved from gestation room to farrowing room on d 109 of gestation. Sows were randomly assigned to 2 dietary treatments in a completely randomized design. The treatments were a diet based on corn and soybean meal (CON) and CON added with 20% of palm kernel expellers (PKE). Sows were fed the treatments for 28 days (weaning) after farrowing. Blood was collected from each sow and 4 randomly selected piglets from each sow before farrowing or on d 3, 7, or 14 of lactation. Sows were fed respective treatments containing 0.2% chromic oxide from d 15 to 21 of lactation. Fecal samples were collected daily for the last 3 days after the 4-d adjustment period. Measurements were performances and WBC changes of sows and litter, nutrient digestibility of sows, and daily diarrhea of litter. Sows fed PKE had greater average daily feed intake (7.38 vs 7.10 kg/d; p<0.05) and lost less BW (−6.85 vs −8.54 kg; p<0.05) and backfat depth (−0.42 vs −0.71 mm; p<0.05) than those fed CON. However, there were no differences on digestibility of dry matter, nitrogen, and energy and weaning to estrus interval of sows fed either CON or PKE. Piglets from sows fed PKE gained more BW (203 vs 181 g/d; p = 0.08) and had less frequency of diarrhea (6.80 vs 8.56%; p = 0.07) than those from sows fed CON. On the other hand, no difference was found on preweaning mortality of piglets from sows fed either CON or PKE. Sows fed PKE had lower number of WBC (9.57 vs 11.82 ×103/μL; p = 0.09) before farrowing than those fed CON, but no difference on d 3 and 7. Similarly, piglets from sows fed PKE had also lower number of WBC (7.86 vs 9.80 ×103/μL; p<0.05) on d 14 of lactation than those from sows fed CON, but no difference on d 3 and 7. In conclusion, addition of 20% palm kernel expellers to lactation diet based on corn and soybean meal had no negative effects on productive performance, nutrient digestibility, and WBC changes of lactating sows.
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Affiliation(s)
- J Kim
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - J Seo
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - W Kim
- Department of Animal Biosystem Sciences, Chungnam National University, Daejeon 305-764, Korea
| | - H M Yun
- Department of Animal Resource and Science, Dankook University, Cheonan 330-774, Korea
| | - S C Kim
- Department of Animal Resource and Science, Dankook University, Cheonan 330-774, Korea
| | - Y Jang
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - K Jang
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - K Kim
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - B Kim
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - S Park
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - I Park
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - M K Kim
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - K S Seo
- Department of Animal Science and Technology, Sunchon National University, Suncheon 540-742, Korea
| | - H B Kim
- Department of Animal Resource and Science, Dankook University, Cheonan 330-774, Korea
| | - I H Kim
- Department of Animal Resource and Science, Dankook University, Cheonan 330-774, Korea
| | - S Seo
- Department of Animal Biosystem Sciences, Chungnam National University, Daejeon 305-764, Korea
| | - M Song
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
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Seo J, Kim W, Kim J, Kim JK, Kim SC, Jang Y, Jang K, Kim K, Kim B, Park S, Park I, Kim MK, Seo KS, Kim HB, Kim IH, Seo S, Song M. Effects of Palm Kernel Expellers on Growth Performance, Nutrient Digestibility, and Blood Profiles of Weaned Pigs. Asian-Australas J Anim Sci 2015; 28:987-92. [PMID: 26104403 PMCID: PMC4478508 DOI: 10.5713/ajas.14.0842] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Revised: 12/29/2014] [Accepted: 01/26/2015] [Indexed: 11/27/2022]
Abstract
This experiment was conducted to investigate the effects of palm kernel expellers on growth performance, nutrient digestibility, and blood profiles of weaned pigs. A total of 88 weaned pigs (6.94±0.76 kg body weight [BW]; 28 d old) were randomly allotted to 2 dietary treatments (4 pigs/pen; 11 replicates/treatment) in a randomized complete block design (sex as a block). The dietary treatments were a typical nursery diet based on corn and soybean meal (CON) and CON added with 20% of palm kernel expellers (PKE). Pigs were fed for 6 wk using a 3-phase feeding program with declining diet complexity and with phases of 1, 2, and 3 wk, respectively. Blood was collected from randomly selected 2 pigs in each pen before weaning and on d 7 after weaning. Pigs were fed respective dietary treatments containing 0.2% chromic oxide from d 29 to 35 after weaning. Fecal samples were collected from randomly selected 2 pigs in each pen daily for the last 3 days after the 4-d adjustment period. Measurements were growth performances, digestibility of dry matter, nitrogen and energy, white and red blood cell counts, packed cell volume, and incidence of diarrhea. The PKE increased average daily gain (ADG) (246 vs 215 g/d; p = 0.06) and average daily feed intake (ADFI) (470 vs 343 g/d; p<0.05) and decreased gain-to-feed ratio (G:F) (0.522 vs 0.628 g/g; p<0.05) during phase 2 compared with CON, but did not affect growth performance during phase 1 and 3. During overall experimental period, PKE increased ADG (383 vs 362 g/d; p = 0.05) and ADFI (549 vs 496 g/d; p<0.05) compared with CON, but did not affect G:F. However, no differences were found on digestibility of dry matter, nitrogen, and energy between CON and PKE. The PKE reduced frequency of diarrhea (15% vs 25%; p = 0.08) for the first 2 wk after weaning compared with CON. Similarly, PKE decreased white blood cells (8.19 vs 9.56×10(3)/μL; p = 0.07), red blood cells (2.92 vs 3.25×10(6)/μL; p = 0.09), and packed cell volume (11.1% vs 12.6%; p = 0.06) on d 7 after weaning compared with CON. In conclusion, addition of 20% palm kernel expellers to nursery diet based on corn and soybean meal had no negative effects on growth performance, nutrient digestibility, and blood profiles of weaned pigs.
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Affiliation(s)
- J Seo
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - W Kim
- Department of Animal Biosystem Sciences, Chungnam National University, Daejeon 305-764, Korea
| | - J Kim
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - J K Kim
- Department of Animal Resource and Science, Dankook University, Cheonan 330-774, Korea
| | - S C Kim
- Department of Animal Resource and Science, Dankook University, Cheonan 330-774, Korea
| | - Y Jang
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - K Jang
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - K Kim
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - B Kim
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - S Park
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - I Park
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - M K Kim
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
| | - K S Seo
- Department of Animal Science and Technology, Sunchon National University, Suncheon 540-742, Korea
| | - H B Kim
- Department of Animal Resource and Science, Dankook University, Cheonan 330-774, Korea
| | - I H Kim
- Department of Animal Resource and Science, Dankook University, Cheonan 330-774, Korea
| | - S Seo
- Department of Animal Biosystem Sciences, Chungnam National University, Daejeon 305-764, Korea
| | - M Song
- Department of Animal Science, Pusan National University, Miryang 627-706, Korea
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Jang Y, Cho Y, Kim S. 219. Oncological safety of nipple-areolar complex sparing mastectomy for breast cancer surgery. Eur J Surg Oncol 2014. [DOI: 10.1016/j.ejso.2014.08.213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Slattery C, Jang Y, Kruger WA, Hryciw DH, Lee A, Poronnik P. γ-Secretase inhibition promotes fibrotic effects of albumin in proximal tubular epithelial cells. Br J Pharmacol 2014; 169:1239-51. [PMID: 23594166 DOI: 10.1111/bph.12214] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2012] [Revised: 01/24/2013] [Accepted: 02/20/2013] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND AND PURPOSE Albuminuria is an important biomarker of renal dysfunction and is a major mediator of renal damage and fibrosis during kidney disease. The mechanisms underlying albumin-induced renal fibrosis remain unclear. There has been significant interest in γ-secretase activity in tubular epithelial cells in recent times; however, its potential role in albumin-induced fibrosis has not been investigated. EXPERIMENTAL APPROACH The primary aim of this study was to examine the role of γ-secretase in albumin-induced fibrotic effects in proximal tubular cells. The effects of increasing albumin concentrations on fibrosis indicators and mediators in the human HK-2 cell line were examined in the presence and absence of a γ-secretase inhibitor, compound E. KEY RESULTS Treatment with albumin resulted in a number of pro-fibrotic effects, including up-regulation of fibronectin, TGF-β1 and the EGF-R. Interestingly, similar effects were observed in response to treatment with the γ-secretase inhibitor, compound E. Co-treatment of cells with albumin and an EGF-R inhibitor, AG-1478, resulted in significant inhibition of the observed pro-fibrotic effects, suggesting a major role for the EGF-R in albumin-induced fibrotic events. Albumin-induced effects on the EGF-R appeared to be mediated through inhibition of γ-secretase activity and were dependent on ERK-MAPK signalling. CONCLUSIONS AND IMPLICATIONS These results provide novel insights into the mechanisms of albumin-induced fibrotic effects in tubular epithelial cells, suggesting important roles for the γ-secretase and the EGF-R. These results suggest that the proposed use of γ-secretase inhibitors as anti-fibrotic agents requires further investigation.
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Affiliation(s)
- C Slattery
- UCD School of Biomolecular and Biomedical Sciences, UCD Conway Institute, University College Dublin, Belfield, Ireland
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Lee JH, Lee EK, Joo WJ, Jang Y, Kim BS, Lim JY, Choi SH, Ahn SJ, Ahn JR, Park MH, Yang CW, Choi BL, Hwang SW, Whang D. Wafer-Scale Growth of Single-Crystal Monolayer Graphene on Reusable Hydrogen-Terminated Germanium. Science 2014; 344:286-9. [DOI: 10.1126/science.1252268] [Citation(s) in RCA: 714] [Impact Index Per Article: 71.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Jang Y, Lu SA, Chen ZP, Ma J, Xu CQ, Zhang CZ, Wang JJ. Genetic polymorphisms of CCND1 and PTEN in progression of esophageal squamous carcinoma. Genet Mol Res 2013; 12:6685-91. [PMID: 24391010 DOI: 10.4238/2013.december.13.2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Cyclin D1 (CCND1) plays a significant role in G1-S transition of cell cycle, and phosphatase and a tensin homologue (PTEN) negatively regulate cell cycle through phosphatidylinositol 3-kinase (PI3K)/AKT signaling. CCND1 and PTEN genetic polymorphisms might induce susceptibility to the occurrence of esophageal squamous cell carcinoma (ESCC). Three hundred and four ESCC patients and 413 healthy controls from Anyang, China, were enrolled in this study. All genotyping at CCND1 (807 G/A) and PTEN (rs701848 T/C and rs2735343 C/G) were identified by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay. Unconditional logistic regression model was used to analyze the correlation between the polymorphisms and the susceptibility to develop ESCC. Statistically significant differences were observed between cases and controls in distribution of genotypes or alleles at PTEN rs701848 T/C and rs2735343 C/G, with either haplotype TG or CG possessing notably higher proportion in cases than in the controls. However, such difference could not be found in the distribution of the polymorphisms at CCND1 807 G/A. In summary, the polymorphisms of PTEN rs701848 T/C and rs2735343 C/G might represent crucial modifying factors for development of ESCC.
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Affiliation(s)
- Y Jang
- Medical Department, People's Hospital of Lanshan District, Linyi, Shandong, China
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Lee KS, Park B, Kim JH, Kim HG, Seo JT, Lee JG, Jang Y, Choo MS. A randomised, double-blind, parallel design, multi-institutional, non-inferiority phase IV trial of imidafenacin versus fesoterodine for overactive bladder. Int J Clin Pract 2013; 67:1317-26. [PMID: 24246210 DOI: 10.1111/ijcp.12272] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Revised: 07/10/2013] [Accepted: 07/29/2013] [Indexed: 02/03/2023] Open
Abstract
AIMS Our objective was to compare the efficacy and safety of imidafenacin over fesoterodine in patients with overactive bladder (OAB). METHODS This study is a randomised, double-blind, parallel-group, fesoterodine-controlled study in patients with continuous OAB symptoms for ≥ 3 months, daily mean voiding frequency (DMVF) ≥ 8, and daily mean urgency or urgency incontinence frequency ≥ 2. A twice-daily 0.1 mg imidafenacin with placebo, or once-daily 4 mg fesoterodine with placebo were administered for 12 weeks. The primary efficacy end-point was the difference in DMVF at 12 weeks. The secondary efficacy end-points were differences in daily mean: (i) voiding frequency at 4 and 8 weeks; (ii) urgency frequency; (iii) urgency incontinence frequency; (iv) incontinence frequency; (v) nocturia frequency; and (vi) quality of life score. The variables for safety analysis were adverse events, vital signs, residual urine volume and clinical laboratory tests. An efficacy analysis was conducted in per-protocol patients and the safety analysis was conducted in all randomised patients. RESULTS The differences in DMVF at 12 weeks were -3.38 ± 3.63 and -2.45 ± 3.73 in the imidafenacin and fesoterodine groups, respectively, and the difference was not significant between the two groups. Imidafenacin was non-inferior to fesoterodine, and the lower limit of 95% two-sided confidence intervals was -0.53. The other six secondary end-points and variables for safety analysis showed no difference between the two groups. CONCLUSIONS Imidafenacin was non-inferior to fesoterodine in terms of efficacy, and showed no significant difference in terms of safety.
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Affiliation(s)
- K-S Lee
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Kim S, Maciejewski R, Malik A, Jang Y, Ebert DS, Isenberg T. Bristle Maps: a multivariate abstraction technique for geovisualization. IEEE Trans Vis Comput Graph 2013; 19:1438-1454. [PMID: 23846090 DOI: 10.1109/tvcg.2013.66] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
We present Bristle Maps, a novel method for the aggregation, abstraction, and stylization of spatiotemporal data that enables multiattribute visualization, exploration, and analysis. This visualization technique supports the display of multidimensional data by providing users with a multiparameter encoding scheme within a single visual encoding paradigm. Given a set of geographically located spatiotemporal events, we approximate the data as a continuous function using kernel density estimation. The density estimation encodes the probability that an event will occur within the space over a given temporal aggregation. These probability values, for one or more set of events, are then encoded into a bristle map. A bristle map consists of a series of straight lines that extend from, and are connected to, linear map elements such as roads, train, subway lines, and so on. These lines vary in length, density, color, orientation, and transparencyâcreating the multivariate attribute encoding scheme where event magnitude, change, and uncertainty can be mapped as various bristle parameters. This approach increases the amount of information displayed in a single plot and allows for unique designs for various information schemes. We show the application of our bristle map encoding scheme using categorical spatiotemporal police reports. Our examples demonstrate the use of our technique for visualizing data magnitude, variable comparisons, and a variety of multivariate attribute combinations. To evaluate the effectiveness of our bristle map, we have conducted quantitative and qualitative evaluations in which we compare our bristle map to conventional geovisualization techniques. Our results show that bristle maps are competitive in completion time and accuracy of tasks with various levels of complexity.
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Affiliation(s)
- SungYe Kim
- School of Electrical and Computer Engineering, Purdue University, 465 Northwestern Avenue, West Lafayette, IN 47907, USA.
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Oh J, Kang SM, Hong N, Youn JC, Park S, Lee SH, Jang Y, Chung N. Clinical benefit of spironolactone is preserved only in low BUN group in acute heart failure patients with severe renal dysfunction: Data from the Korean Heart Failure (KorHF) registry. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p3303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Won H, Ko YG, Shin DH, Kim JS, Kim BK, Choi D, Hong MK, Bae JH, Lim DS, Jang Y. Efficacy of early intensive rosuvastatin therapy in patients with ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention: randomized, placebo-controlled. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.p2268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Tsai LT, Chen CC, Jang Y, Liao KM. The meridian effect on the cortical magnification factor for visual word form identification. J Vis 2013. [DOI: 10.1167/13.9.582] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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