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Lee DJ, Shin DH, Son YH, Han JW, Oh JH, Kim DH, Jeong JH, Kam TE. Spectral Graph Neural Network-Based Multi-Atlas Brain Network Fusion for Major Depressive Disorder Diagnosis. IEEE J Biomed Health Inform 2024; 28:2967-2978. [PMID: 38363664 DOI: 10.1109/jbhi.2024.3366662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2024]
Abstract
Major Depressive Disorder (MDD) imposes a substantial burden within the healthcare domain, impacting millions of individuals worldwide. Functional Magnetic Resonance Imaging (fMRI) has emerged as a promising tool for the objective diagnosis of MDD, enabling the investigation of functional connectivity patterns in the brain associated with this disorder. However, most existing methods focus on a single brain atlas, which limits their ability to capture the complex, multi-scale nature of functional brain networks. To address these limitations, we propose a novel multi-atlas fusion method that incorporates early and late fusion in a unified framework. Our method introduces the concept of the holistic Functional Connectivity Network (FCN), which captures both intra-atlas relationships within individual atlases and inter-regional relationships between atlases with different brain parcellation scales. This comprehensive representation enables the identification of potential disease-related patterns associated with MDD in the early stage of our framework. Moreover, by decoding the holistic FCN from various perspectives through multiple spectral Graph Convolutional Neural Networks and fusing their results with decision-level ensembles, we further improve the performance of MDD diagnosis. Our approach is easily implemented with minimal modifications to existing model structures and demonstrates a robust performance across different baseline models. Our method, evaluated on public resting-state fMRI datasets, surpasses the current multi-atlas fusion methods, enhancing the accuracy of MDD diagnosis. The proposed novel multi-atlas fusion framework provides a more reliable MDD diagnostic technique. Experimental results show our approach outperforms both single- and multi-atlas-based methods, demonstrating its effectiveness in advancing MDD diagnosis.
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Oh JH, Lee DJ, Ji CH, Shin DH, Han JW, Son YH, Kam TE. Graph-Based Conditional Generative Adversarial Networks for Major Depressive Disorder Diagnosis With Synthetic Functional Brain Network Generation. IEEE J Biomed Health Inform 2024; 28:1504-1515. [PMID: 38064332 DOI: 10.1109/jbhi.2023.3340325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Major Depressive Disorder (MDD) is a pervasive disorder affecting millions of individuals, presenting a significant global health concern. Functional connectivity (FC) derived from resting-state functional Magnetic Resonance Imaging (rs-fMRI) serves as a crucial tool in revealing functional connectivity patterns associated with MDD, playing an essential role in precise diagnosis. However, the limited data availability of FC poses challenges for robust MDD diagnosis. To tackle this, some studies have employed Deep Neural Networks (DNN) architectures to construct Generative Adversarial Networks (GAN) for synthetic FC generation, but this tends to overlook the inherent topology characteristics of FC. To overcome this challenge, we propose a novel Graph Convolutional Networks (GCN)-based Conditional GAN with Class-Aware Discriminator (GC-GAN). GC-GAN utilizes GCN in both the generator and discriminator to capture intricate FC patterns among brain regions, and the class-aware discriminator ensures the diversity and quality of the generated synthetic FC. Additionally, we introduce a topology refinement technique to enhance MDD diagnosis performance by optimizing the topology using the augmented FC dataset. Our framework was evaluated on publicly available rs-fMRI datasets, and the results demonstrate that GC-GAN outperforms existing methods. This indicates the superior potential of GCN in capturing intricate topology characteristics and generating high-fidelity synthetic FC, thus contributing to a more robust MDD diagnosis.
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Kim Y, Ju H, Yoo SY, Jeong J, Heo J, Lee S, Park JM, Yoon SY, Jeong SU, Lee J, Yun H, Ryu CM, Lee J, Nam YJ, Kwon H, Son J, Jeong G, Oh JH, Sung CO, Jeong EM, An J, Won S, Hong B, Lee JL, Cho YM, Shin DM. Glutathione dynamics is a potential predictive and therapeutic trait for neoadjuvant chemotherapy response in bladder cancer. Cell Rep Med 2023; 4:101224. [PMID: 37797616 PMCID: PMC10591055 DOI: 10.1016/j.xcrm.2023.101224] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 01/23/2023] [Accepted: 09/12/2023] [Indexed: 10/07/2023]
Abstract
Radical cystectomy with preoperative cisplatin-based neoadjuvant chemotherapy (NAC) is the standard care for muscle-invasive bladder cancers (MIBCs). However, the complete response rate to this modality remains relatively low, and current clinicopathologic and molecular classifications are inadequate to predict NAC response in patients with MIBC. Here, we demonstrate that dysregulation of the glutathione (GSH) pathway is fundamental for MIBC NAC resistance. Comprehensive analysis of the multicohort transcriptomes reveals that GSH metabolism and immune-response genes are enriched in NAC-resistant and NAC-sensitive MIBCs, respectively. A machine-learning-based tumor/stroma classifier is applied for high-throughput digitalized immunohistochemistry analysis, finding that GSH dynamics proteins, including glutaminase-1, are associated with NAC resistance. GSH dynamics is activated in cisplatin-resistant MIBC cells, and combination treatment with a GSH dynamics modulator and cisplatin significantly suppresses tumor growth in an orthotopic xenograft animal model. Collectively, these findings demonstrate the predictive and therapeutic values of GSH dynamics in determining the NAC response in MIBCs.
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Affiliation(s)
- YongHwan Kim
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Hyein Ju
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Seung-Yeon Yoo
- Pathology Center, Seegene Medical Foundation, Seoul 04805, Korea
| | - Jinahn Jeong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Jinbeom Heo
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Seungun Lee
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Ja-Min Park
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Sun Young Yoon
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Se Un Jeong
- Department of Pathology, Ewha Womans University College of Medicine, Ewha Womans University Mokdong Hospital, Seoul 07985, Korea
| | - Jinyoung Lee
- Department of Biochemistry and Molecular Biology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - HongDuck Yun
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Chae-Min Ryu
- Center for Cell Therapy, Asan Medical Center, Seoul 05505, Korea
| | - Jinah Lee
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Yun Ji Nam
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Hyungu Kwon
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Jaekyoung Son
- Department of Biochemistry and Molecular Biology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Gowun Jeong
- AI Recommendation, T3K, SK Telecom, Seoul 04539, Korea
| | - Ji-Hye Oh
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Chang Ohk Sung
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Eui Man Jeong
- College of Pharmacy, Jeju National University, Jeju 63243, Korea
| | - Jaehoon An
- Department of Public Health Sciences, Seoul National University, Seoul 08826, Korea; RexSoft, Inc., Seoul 08826, Korea
| | - Sungho Won
- Department of Public Health Sciences, Seoul National University, Seoul 08826, Korea; RexSoft, Inc., Seoul 08826, Korea
| | - Bumsik Hong
- Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Jae Lyun Lee
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Yong Mee Cho
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Dong-Myung Shin
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
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Cho SJ, Oh JH, Baek J, Shin Y, Kim W, Ko J, Jun E, Lee D, Kim SH, Sohn I, Sung CO. Intercellular cross-talk through lineage-specific gap junction of cancer-associated fibroblasts related to stromal fibrosis and prognosis. Sci Rep 2023; 13:14230. [PMID: 37648762 PMCID: PMC10469165 DOI: 10.1038/s41598-023-40957-1] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 08/19/2023] [Indexed: 09/01/2023] Open
Abstract
Stromal fibrosis in cancer is usually associated with poor prognosis and chemotherapy resistance. It is thought to be caused by fibroblasts; however, the exact mechanism is not yet well understood. The study aimed to identify lineage-specific cancer-associated fibroblast (CAF) subgroup and their associations with extracellular matrix remodeling and clinical significances in various tumor types using single-cell and bulk RNA sequencing data. Through unsupervised clustering, six subclusters of CAFs were identified, including a cluster with exclusively high gap junction protein beta-2 (GJB2) expression. This cluster was named GJB2-positive CAF. It was found to be a unique subgroup of terminally differentiated CAFs associated with collagen gene expression and extracellular matrix remodeling. GJB2-positive CAFs showed higher communication frequency with vascular endothelial cells and cancer cells than GJB2-negative CAFs. Moreover, GJB2 was poorly expressed in normal tissues, indicating that its expression is dependent on interaction with other cells, including vascular endothelial cells and cancer cells. Finally, the study investigated the clinical significance of GJB2 signature score for GJB2-positive CAFs in cancer and found a correlation with poor prognosis. These results suggest that GJB2-positive CAF is a unique fibroblast subtype involved in extracellular matrix remodeling, with significant clinical implications in cancer.
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Affiliation(s)
- Seong Ju Cho
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- Arontier Inc., Gangnam-Daero 241, Seocho-Gu, Seoul, Republic of Korea
| | - Ji-Hye Oh
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olymphic-Ro 43-Gil, Seoul, 05505, South Korea
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jaehoon Baek
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- Arontier Inc., Gangnam-Daero 241, Seocho-Gu, Seoul, Republic of Korea
| | - Yunsu Shin
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- Arontier Inc., Gangnam-Daero 241, Seocho-Gu, Seoul, Republic of Korea
| | - Wonkyung Kim
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olymphic-Ro 43-Gil, Seoul, 05505, South Korea
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Junsu Ko
- Arontier Inc., Gangnam-Daero 241, Seocho-Gu, Seoul, Republic of Korea
| | - Eunsung Jun
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, Ulsan University College of Medicine and Asan Medical Center, Seoul, Korea
| | - Dakeun Lee
- Department of Pathology, Ajou University School of Medicine, Suwon, South Korea
- Department of Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon, South Korea
| | - Seok-Hyung Kim
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 06351, Republic of Korea.
| | - Insuk Sohn
- Arontier Inc., Gangnam-Daero 241, Seocho-Gu, Seoul, Republic of Korea.
| | - Chang Ohk Sung
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olymphic-Ro 43-Gil, Seoul, 05505, South Korea.
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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An J, Oh JH, Oh B, Oh YJ, Ju JS, Kim W, Kang HJ, Sung CO, Shim JH. Clinicogenomic characteristics and synthetic lethal implications of germline homologous recombination-deficient hepatocellular carcinoma. Hepatology 2023; 78:452-467. [PMID: 36177702 DOI: 10.1002/hep.32812] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 05/23/2022] [Revised: 09/20/2022] [Accepted: 09/24/2022] [Indexed: 12/08/2022]
Abstract
BACKGROUNDS AND AIMS We performed an in-depth examination of pathogenic germline variants (PGVs) and somatic variants in DNA damage response (DDR) genes in hepatocellular carcinoma (HCC) to explore their clinical and genomic impacts. APPROACH AND RESULTS We used a merged whole-exome or RNA sequencing data set derived from in-house ( n = 230) and The Cancer Genome Atlas ( n = 362) databases of multiethnic HCC samples. We also evaluated synthetic lethal approaches targeting mutations in homologous recombination (HR) genes using HCC cells selected from five genomic databases of cancer cell lines. A total of 110 PGVs in DDR pathways in 96 patients were selected. Of the PGV carriers, 44 were HR-altered and found to be independently associated with poorer disease-free survival after hepatectomy. The most frequently altered HR gene in both germline and somatic tissues was POLQ , and this variant was detected in 22.7% (10/44) and 23.8% (5/21) of all the corresponding carriers, respectively. PGVs in HR were significantly associated with upregulation of proliferation and replication-related genes and familial risk of HCC. Samples harboring PGVs in HR with loss of heterozygosity were most strongly correlated with the genomic footprints of deficient HR, such as mutation burden and denovoSig2 (analogous to Catalogue of Somatic Mutations in Cancer [COSMIC] 3), and poor outcome. Pharmacologic experiments with HCC cells defective in BRCA2 or POLQ suggested that tumors with this phenotype are synthetic lethal with poly(ADP-ribose) polymerase inhibitors. CONCLUSIONS Our findings suggest that germline HR defects in HCC tend to confer a poor prognosis and result in distinctive genomic scarring. Tests of the clinical benefits of HR-directed treatments in the affected patients are needed.
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Affiliation(s)
- Jihyun An
- Gastroenterology and Hepatology , Hanyang University College of Medicine , Guri , Republic of Korea
| | - Ji-Hye Oh
- Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine , Seoul , Republic of Korea
| | - Bora Oh
- Asan Institute for Life Science, Asan Medical Center , Seoul , Republic of Korea
| | - Yoo-Jin Oh
- Asan Institute for Life Science, Asan Medical Center , Seoul , Republic of Korea
| | - Jin-Sung Ju
- Asan Institute for Life Science, Asan Medical Center , Seoul , Republic of Korea
| | - Wonkyung Kim
- Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine , Seoul , Republic of Korea
| | - Hyo Jung Kang
- Pathology, Asan Medical Center , University of Ulsan College of Medicine , Seoul , Republic of Korea
- Asan Liver Center, Asan Medical Center , University of Ulsan College of Medicine , Seoul , South Korea
| | - Chang Ohk Sung
- Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine , Seoul , Republic of Korea
- Pathology, Asan Medical Center , University of Ulsan College of Medicine , Seoul , Republic of Korea
- Center for Cancer Genome Discovery , Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center , Seoul , Republic of Korea
| | - Ju Hyun Shim
- Asan Liver Center, Asan Medical Center , University of Ulsan College of Medicine , Seoul , South Korea
- Gastroenterology, Asan Medical Center , University of Ulsan College of Medicine , Seoul , Republic of Korea
- Digestive Diseases Research Center , University of Ulsan College of Medicine , Seoul , Republic of Korea
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Oh JH, Jo S, Park KW, Lee EJ, Lee SH, Hwang YS, Jeon HR, Ryu Y, Yoon HJ, Chun SM, Kim CJ, Kim TW, Sung CO, Chae S, Chung SJ. Whole-genome sequencing reveals an association between small genomic deletions and an increased risk of developing Parkinson's disease. Exp Mol Med 2023; 55:555-564. [PMID: 36869069 PMCID: PMC10073127 DOI: 10.1038/s12276-023-00952-y] [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] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 12/13/2022] [Accepted: 12/19/2022] [Indexed: 03/05/2023] Open
Abstract
Single-nucleotide variants (SNVs) associated with Parkinson's disease (PD) have been investigated mainly through genome-wide association studies. However, other genomic alterations, including copy number variations, remain less explored. In this study, we conducted whole-genome sequencing of primary (310 PD patients and 100 healthy individuals) and independent (100 PD patients and 100 healthy individuals) cohorts from the Korean population to identify high-resolution small genomic deletions, gains, and SNVs. Global small genomic deletions and gains were found to be associated with an increased and decreased risk of PD development, respectively. Thirty significant locus deletions were identified in PD, with most being associated with an increased PD risk in both cohorts. Small genomic deletions in clustered loci located in the GPR27 region had high enhancer signals and showed the closest association with PD. GPR27 was found to be expressed specifically in brain tissue, and GPR27 copy number loss was associated with upregulated SNCA expression and downregulated dopamine neurotransmitter pathways. Clustering of small genomic deletions on chr20 in exon 1 of the GNAS isoform was detected. In addition, we found several PD-associated SNVs, including one in the enhancer region of the TCF7L2 intron, which exhibited a cis-acting regulatory mode and an association with the beta-catenin signaling pathway. These findings provide a global, whole-genome view of PD and suggest that small genomic deletions in regulatory domains contribute to the risk of PD development.
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Affiliation(s)
- Ji-Hye Oh
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sungyang Jo
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kye Won Park
- Department of Neurology, Uijeongbu Eulji Medical Center, Eulji University School of Medicine, Uijeongbu-si, Gyeonggi-do, Republic of Korea
| | - Eun-Jae Lee
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Seung Hyun Lee
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Yun Su Hwang
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ha Ra Jeon
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Yeonjin Ryu
- Korea Brain Bank, Korea Brain Research Institute, Daegu, Republic of Korea
| | - Hee Jeong Yoon
- Korea Brain Bank, Korea Brain Research Institute, Daegu, Republic of Korea
| | - Sung-Min Chun
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chong Jai Kim
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Tae Won Kim
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chang Ohk Sung
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. .,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Sehyun Chae
- Korea Brain Bank, Korea Brain Research Institute, Daegu, Republic of Korea.
| | - Sun Ju Chung
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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Park SY, Oh SH, Park SH, Oh JH, Kim SH. Sex difference in neurological outcome and post-cardiac arrest care in out-of-hospital cardiac arrest patients treated with targeted temperature management. Eur Heart J 2023. [DOI: 10.1093/eurheartj/ehac779.063] [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: 01/26/2023] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Objectives
Conflicting results regarding sex-based differences in the outcomes of out-of-hospital cardiac arrest (OHCA) patients have been reported. Furthermore, no study has examined whether differences in in-hospital interventions and courses are driven by sex differences. This study evaluated the effect of sex on the in-hospital course of these patients as well as the survival rates and long-term neurological outcomes of comatose OHCA patients treated with targeted temperature management (TTM).
Methods
We retrospectively analyzed the Korean Hypothermia Network prospective registry composed of data collected from 22 hospitals in Korea between October 2015 and December 2018. To evaluate the effect of sex on patient outcomes, we created various multivariate logistic regression models including baseline characteristics, resuscitation, and in-hospital care variables with an interaction term (age × sex). We also performed a stratified analysis of different age groups (less than 50 years of age and older). Regarding the difference in in-hospital courses, we compared daily total and SOFA sub-scores between the sexes and analyzed whether the decision regarding early cardiac interventions and limitations in in-hospital care were associated with sex.
Results
Among 1339 patients included in the study, 952 were men and 387 were women. There were no differences in age or modified comorbidity index values between the gender groups. Women were more likely to experience cardiac arrest at home and unwitnessed arrests, whereas men were more likely to have shockable initial rhythm, cardiac cause arrest, and ST-segment elevation myocardial infarction (STEMI) on initial electrocardiography and undergo early coronary interventions. The rate of survival to discharge was similar, but men showed better 6-month neurological outcomes. After adjusting for confounders, the male sex was not associated with survival to discharge or good 6-month neurological outcomes. There was no association between sex and outcome in patients of reproductive age and no interaction between age and sex. Regarding the in-hospital course, the daily total and SOFA sub-scores were similar in both sexes. The adjusted effect of sex was not associated with the clinician’s decision to perform early cardiac interventions. The decision to discontinue life-sustaining treatment was determined by poor prognostic factors, not by sex.
Conclusions
The findings suggested that men had more favorable 6-month survivals and good neurological outcomes compared to women since they had more favorable resuscitation variables. However, after adjusting for confounders, there was no difference between the sexes. This result was consistent with the data in patients of reproductive age. The results regarding in-hospital course showed that daily patient severity scores, early cardiac interventions, resource consumption, and the rates of withdrawal/withholding of in-hospital care were similar in men and women.
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Affiliation(s)
- S Y Park
- The Catholic University of Korea Yeouido St. Mary's Hospital, Department of emergency medicine , Seoul , Korea (Republic of)
| | - S H Oh
- The Catholic University of Korea Seoul St. Mary's Hospital, Department of emergency medicine , Seoul , Korea (Republic of)
| | - S H Park
- The Catholic University of Korea Yeouido St. Mary's Hospital, Department of emergency medicine , Seoul , Korea (Republic of)
| | - J H Oh
- The Catholic University of Korea Eunpyeong St. Mary's Hospital, Department of emergency medicine , Seoul , Korea (Republic of)
| | - S H Kim
- The Catholic University of Korea Eunpyeong St. Mary's Hospital, Department of emergency medicine , Seoul , Korea (Republic of)
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Sejan MAS, Rahman MH, Shin BS, Oh JH, You YH, Song HK. Machine Learning for Intelligent-Reflecting-Surface-Based Wireless Communication towards 6G: A Review. Sensors (Basel) 2022; 22:s22145405. [PMID: 35891085 PMCID: PMC9316605 DOI: 10.3390/s22145405] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/06/2022] [Accepted: 07/19/2022] [Indexed: 05/14/2023]
Abstract
An intelligent reflecting surface (IRS) is a programmable device that can be used to control electromagnetic waves propagation by changing the electric and magnetic properties of its surface. Therefore, IRS is considered a smart technology for the sixth generation (6G) of communication networks. In addition, machine learning (ML) techniques are now widely adopted in wireless communication as the computation power of devices has increased. As it is an emerging topic, we provide a comprehensive overview of the state-of-the-art on ML, especially on deep learning (DL)-based IRS-enhanced communication. We focus on their operating principles, channel estimation (CE), and the applications of machine learning to IRS-enhanced wireless networks. In addition, we systematically survey existing designs for IRS-enhanced wireless networks. Furthermore, we identify major issues and research opportunities associated with the integration of IRS and other emerging technologies for applications to next-generation wireless communication.
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Affiliation(s)
- Mohammad Abrar Shakil Sejan
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Korea; (M.A.S.S.); (M.H.R.); (B.-S.S.); (J.-H.O.)
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
| | - Md Habibur Rahman
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Korea; (M.A.S.S.); (M.H.R.); (B.-S.S.); (J.-H.O.)
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
| | - Beom-Sik Shin
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Korea; (M.A.S.S.); (M.H.R.); (B.-S.S.); (J.-H.O.)
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
| | - Ji-Hye Oh
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Korea; (M.A.S.S.); (M.H.R.); (B.-S.S.); (J.-H.O.)
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
| | - Young-Hwan You
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
- Department of Computer Engineering, Sejong University, Seoul 05006, Korea
| | - Hyoung-Kyu Song
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Korea; (M.A.S.S.); (M.H.R.); (B.-S.S.); (J.-H.O.)
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
- Correspondence:
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9
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An J, Kim HI, Oh B, Oh YJ, Oh JH, Kim W, Sung CO, Shim JH. Integrated prognostic and histogenomic justification of stage-directed therapy for single large hepatocellular carcinoma: a Korean nationwide registry study. Gut 2022; 71:1234-1236. [PMID: 34493591 DOI: 10.1136/gutjnl-2021-325844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 08/28/2021] [Indexed: 12/08/2022]
Affiliation(s)
- Jihyun An
- Department of Gastroenterology, Hanyang University, Guri, Gyeonggi-do, The Republic of Korea
| | - Ha Il Kim
- Gastroenterology, Kyung Hee University Gangdong Hospital, Gangdong-gu, Seoul, The Republic of Korea
| | - Bora Oh
- Asan Institute for Life Science, Asan Medical Center, Songpa-gu, Seoul, The Republic of Korea
| | - Yoo-Jin Oh
- Asan Institute for Life Science, Asan Medical Center, Songpa-gu, Seoul, The Republic of Korea
| | - Ji-Hye Oh
- Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, Songpa-gu, Seoul, The Republic of Korea
| | - Wonkyung Kim
- Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, Songpa-gu, Seoul, The Republic of Korea
| | - Chang Ohk Sung
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Songpa-gu, Seoul, The Republic of Korea
| | - Ju Hyun Shim
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Songpa-gu, The Republic of Korea
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10
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Oh JH, Shin BS, Kim MA, You YH, Hwang DD, Song HK. Efficient User-Serving Scheme in the User-Centric Cell-Free Massive MIMO System. Sensors (Basel) 2022; 22:s22103794. [PMID: 35632203 PMCID: PMC9143762 DOI: 10.3390/s22103794] [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] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/13/2022] [Accepted: 05/16/2022] [Indexed: 02/04/2023]
Abstract
A cell-free massive multiple input multiple output (MIMO) system is an attractive network model that is in the spotlight in 5G and future communication systems. Despite numerous advantages, the cell-free massive MIMO system has a problem in that it is difficult to operate in reality due to its vast amount of calculation. The user-centric cell-free massive MIMO model has a more feasible and scalable benefit than the cell-free massive MIMO model. However, this model has the disadvantage that as the number of users in the area increases, there are users who do not receive the service. In this paper, the proposed scheme creates connections for unserved users under a user-centric scheme without additional access point (AP) installation and disconnection for existing users. A downlink user-centric cell-free massive MIMO system model in which the APs are connected to the central processing unit (CPU) and the APs and users are geographically distributed is considered. First, the downlink spectral efficiency formula is derived and applied to the user-centric cell-free massive MIMO system. Then, the proposed scheme and power control algorithm are applied to the derived formula. The simulation results show that the unserved users within the area disappear by using the proposed scheme, while the bit error rate (BER) performance and sum rate improve compared to the existing scheme. In addition, it is shown that the proposed scheme works well even with a very large number of users in the area, and a significant service performance improvement for the worst 10% of users and the overall improvement of per-user throughput for the bottom 70% of users are ensured.
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Affiliation(s)
- Ji-Hye Oh
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Korea; (J.-H.O.); (B.-S.S.); (M.-A.K.)
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
| | - Beom-Sik Shin
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Korea; (J.-H.O.); (B.-S.S.); (M.-A.K.)
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
| | - Min-A Kim
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Korea; (J.-H.O.); (B.-S.S.); (M.-A.K.)
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
| | - Young-Hwan You
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
- Department of Computer Engineering, Sejong University, Seoul 05006, Korea
| | - Duck-Dong Hwang
- Department of Electronics and Communication Engineering, Sejong University, Seoul 05006, Korea;
| | - Hyoung-Kyu Song
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Korea; (J.-H.O.); (B.-S.S.); (M.-A.K.)
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Korea;
- Correspondence:
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11
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An J, Oh M, Kim SY, Oh YJ, Oh B, Oh JH, Kim W, Jung JH, Kim HI, Kim JS, Sung CO, Shim JH. PET-Based Radiogenomics Supports mTOR Pathway Targeting for Hepatocellular Carcinoma. Clin Cancer Res 2022; 28:1821-1831. [PMID: 35191466 DOI: 10.1158/1078-0432.ccr-21-3208] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 11/22/2021] [Accepted: 02/09/2022] [Indexed: 11/16/2022]
Abstract
PURPOSE This work aimed to explore in depth the genomic and molecular underpinnings of hepatocellular carcinoma (HCC) with increased 2[18F]fluoro-2-deoxy-d-glucose (FDG) uptake in PET and to identify therapeutic targets based on this imaging-genomic surrogate. EXPERIMENTAL DESIGN We used RNA sequencing and whole-exome sequencing data obtained from 117 patients with HCC who underwent hepatic resection with preoperative FDG-PET/CT imaging as a discovery cohort. The primary radiogenomic results were validated with transcriptomes from a second cohort of 81 patients with more advanced tumors. All patients were allocated to an FDG-avid or FDG-non-avid group according to the PET findings. We also screened potential drug candidates targeting FDG-avid HCCs in vitro and in vivo. RESULTS High FDG avidity conferred worse recurrence-free survival after HCC resection. Whole transcriptome analysis revealed upregulation of mTOR pathway signals in the FDG-avid tumors, together with higher abundance of associated mutations. These clinical and genomic findings were replicated in the validation set. A molecular signature of FDG-avid HCCs identified in the discovery set consistently predicted poor prognoses in the public-access datasets of two cohorts. Treatment with an mTOR inhibitor resulted in decreased FDG uptake followed by effective tumor control in both the hyperglycolytic HCC cell lines and xenograft mouse models. CONCLUSIONS Our PET-based radiogenomic analysis indicates that mTOR pathway genes are markedly activated and altered in HCCs with high FDG retention. This nuclear imaging biomarker may stimulate umbrella trials and tailored treatments in precision care of patients with HCC.
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Affiliation(s)
- Jihyun An
- Gastroenterology and Hepatology, Hanyang University College of Medicine, Guri, Gyeonggi, Republic of Korea
| | - Minyoung Oh
- Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Seog-Young Kim
- Convergence Medicine Research Center, Asan Medical Center, Seoul, Republic of Korea
- Department of Convergence Medicine, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Yoo-Jin Oh
- Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Bora Oh
- Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Ji-Hye Oh
- Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Wonkyung Kim
- Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Jin Hwa Jung
- Convergence Medicine Research Center, Asan Medical Center, Seoul, Republic of Korea
| | - Ha Il Kim
- Gastroenterology, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea
| | - Jae-Seung Kim
- Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chang Ohk Sung
- Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ju Hyun Shim
- Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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12
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Oh JH, Lee JM, Lee HJ, Hwang J, Lee CH, Cho YK, Park HS, Yoon HJ, Chung JW, Kim H, Nam CW, Han S, Hur SH, Youn JC, Kim IC. The benefits of the earlier use of sacubitril/valsartan in de novo heart failure with reduced ejection fraction patients. ESC Heart Fail 2022; 9:2435-2444. [PMID: 35484930 PMCID: PMC9288742 DOI: 10.1002/ehf2.13940] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 03/18/2022] [Accepted: 04/06/2022] [Indexed: 12/11/2022] Open
Abstract
Aims We evaluated the clinical outcomes and trajectory of cardiac reverse remodelling according to the timing of sacubitril/valsartan (Sac/Val) use in patients with heart failure (HF) with reduced ejection fraction (HFrEF). Methods and results Patients with de novo HFrEF who used Sac/Val between June 2017 and October 2019 were retrospectively enrolled. Patients were grouped into the earlier use group (initiation of Sac/Val < 3 months after the first HFrEF diagnosis) and the later use group (initiation of Sac/Val ≥ 3 months after the first HFrEF diagnosis). Primary outcome was a composite of HF hospitalization and cardiac death. Secondary outcomes were HF hospitalization, cardiac death, all‐cause death, significant ventricular arrhythmia (ventricular tachycardia or ventricular fibrillation), and echocardiographic evidence of cardiac reverse remodelling including left ventricular ejection fraction (LVEF) change during follow‐up. Among 115 enrolled patients, 67 were classified in the earlier use group, and 48 were classified in the later use group. Mean period of HFrEF diagnosis to Sac/Val use was 52.1 ± 14.3 days in the earlier use group, and 201.8 ± 127.3 days in the later use group. During the median follow‐up of 721 days, primary outcome occurred in 21 patients (18.3%). The earlier use group experienced significantly fewer primary outcome than the later use group (10.4% vs. 29.2%, P = 0.010). The Kaplan–Meier survival curve showed better event‐free survival in the earlier use group than in the later use group (log rank = 0.017). There were no significant differences in cardiac death, all‐cause death, and ventricular arrhythmia between two groups (1.5% vs. 2.1%, P = 0.811; 1.5% vs. 4.2%, P = 0.375; 3.0% vs. 0%, P = 0.227, respectively). Despite a significantly lower baseline LVEF in the earlier use group (21.3 ± 6.4% vs. 24.8 ± 7.9%, P = 0.012), an early prominent increase of LVEF was noted before 6 months (35.2 ± 11.9% vs. 27.8 ± 8.8%, P = 0.007). A delayed improvement of LVEF in the later use group resulted in similar LVEF at last follow‐up in both groups (40.7 ± 13.4% vs. 39.4 ± 10.9%, P = 0.686). Although the trajectory of left ventricular remodelling showed similar pattern in two groups, left atrial (LA) reverse remodelling was less prominent in the later use group during the follow‐up period (final LA volume index: 43.6 ± 14.3 mL/m2 vs. 55.2 ± 17.1 mL/m2, P = 0.011). Conclusions Earlier use of Sac/Val was related with better clinical outcome and earlier left ventricular reverse remodelling. Remodelling of LA was less prominent in the later use group implying delayed response in diastolic function.
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Affiliation(s)
- Ji-Hye Oh
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Jae-Man Lee
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Hee-Jung Lee
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Jongmin Hwang
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Cheol Hyun Lee
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Yun-Kyeong Cho
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Hyoung-Seob Park
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Hyuck-Jun Yoon
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Jin-Wook Chung
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Hyungseop Kim
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Chang-Wook Nam
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Seongwook Han
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Seung-Ho Hur
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
| | - Jong-Chan Youn
- Division of Cardiology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - In-Cheol Kim
- Department of Cardiology, School of Medicine, and Institute for Medical Science, Keimyung University, Daegu, Korea
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13
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An J, Kim D, Oh B, Oh YJ, Song J, Park N, Kim HI, Kang HJ, Oh JH, Kim W, Lee E, Sung CO, Song GW, Kim DG, Yu E, Letouzé E, Zucman-Rossi J, Lee HC, Shim JH. Comprehensive characterization of viral integrations and genomic aberrations in HBV-infected intrahepatic cholangiocarcinomas. Hepatology 2022; 75:997-1011. [PMID: 34478159 DOI: 10.1002/hep.32135] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [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] [Received: 06/11/2021] [Revised: 08/08/2021] [Accepted: 08/21/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND AIMS Despite the epidemiological association between intrahepatic cholangiocarcinoma (iCCA) and HBV infection, little is known about the relevant oncogenic effects. We sought to identify the landscape and mechanism of HBV integration, along with the genomic architecture of HBV-infected iCCA (HBV-iCCA) tumors. APPROACH AND RESULTS We profiled a cohort of 108 HBV-iCCAs using whole-genome sequencing, deep sequencing, and RNA sequencing, together with preconstructed data sets of HBV-infected HCC (HBV-HCC; n = 167) and combined hepatocellular cholangiocarcinoma (HBV-cHCC/CCA; n = 59), and conventional (n = 154) and fluke-related iCCAs (n = 16). Platforms based on primary iCCA cell lines to evaluate the functional effects of chimeric transcripts were also used. We found that HBV had inserted at multiple sites in the iCCA genomes in 45 (41.7%) of the tumors. Recurrent viral integration breakpoints were found at nine different sites. The most common insertional hotspot (7 tumors) was in the TERT (telomerase reverse transcriptase) promoter, where insertions and mutations (11 tumors) were mutually exclusive, and were accompanied by promoter hyperactivity. Recurrent HBV integration events (5 tumors) were also detected in FAT2 (FAT atypical cadherin 2), and were associated with enrichment of epithelial-mesenchymal transition-related genes. A distinctive intergenic insertion (chr9p21.3), between DMRTA1 (DMRT like family A1) and LINC01239 (long intergenic non-protein coding RNA 1239), had oncogenic effects through activation of the mammalian target of rapamycin (mTOR)/4EBP/S6K pathway. Regarding the mutational profiles of primary liver cancers, the overall landscape of HBV-iCCA was closer to that of nonviral conventional iCCA, than to HBV-HCC and HBV-cHCC/CCA. CONCLUSIONS Our findings provide insight into the behavior of iCCAs driven by various pathogenic mechanisms involving HBV integration events and associated genomic aberrations. This knowledge should be of use in managing HBV carriers.
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Affiliation(s)
- Jihyun An
- Gastroenterology and HepatologyHanyang University College of MedicineGuri, GyeonggiRepublic of Korea
| | - Deokhoon Kim
- PathologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea.,Center for Cancer Genome DiscoveryAsan Institute for Life ScienceUniversity of Ulsan College of MedicineAsan Medical CenterSeoulRepublic of Korea
| | - Bora Oh
- Asan Institute for Life ScienceAsan Medical CenterSeoulRepublic of Korea
| | - Yoo-Jin Oh
- Asan Institute for Life ScienceAsan Medical CenterSeoulRepublic of Korea
| | - Jihyun Song
- Asan Institute for Life ScienceAsan Medical CenterSeoulRepublic of Korea
| | - Naomi Park
- Asan Institute for Life ScienceAsan Medical CenterSeoulRepublic of Korea
| | - Ha Il Kim
- GastroenterologyKyung Hee University Hospital at GangdongSeoulRepublic of Korea
| | - Hyo Jeong Kang
- PathologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea
| | - Ji-Hye Oh
- Center for Cancer Genome DiscoveryAsan Institute for Life ScienceUniversity of Ulsan College of MedicineAsan Medical CenterSeoulRepublic of Korea.,Asan Institute for Life ScienceAsan Medical CenterSeoulRepublic of Korea
| | - Wonkyung Kim
- Center for Cancer Genome DiscoveryAsan Institute for Life ScienceUniversity of Ulsan College of MedicineAsan Medical CenterSeoulRepublic of Korea.,Asan Institute for Life ScienceAsan Medical CenterSeoulRepublic of Korea
| | - Eunjung Lee
- Medical ScienceAsan Medical Institute of Convergence Science and TechnologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea
| | - Chang Ohk Sung
- PathologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea.,Center for Cancer Genome DiscoveryAsan Institute for Life ScienceUniversity of Ulsan College of MedicineAsan Medical CenterSeoulRepublic of Korea
| | - Gi-Won Song
- SurgeryAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea.,Asan Liver CenterAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea
| | - Dae-Ghon Kim
- Gastroenterology and HepatologyChonbuk National University Medical SchoolJeonjuJeonbukRepublic of Korea
| | - Eunsil Yu
- PathologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea.,Asan Liver CenterAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea
| | - Eric Letouzé
- Centre de Recherche des CordeliersSorbonne UniversitéINSERMUniversité de ParisParisFrance.,Functional Genomics of Solid Tumors Laboratory, Équipe Labellisée Ligue Nationale Contre le CancerLabex OncoImmunologyParisFrance
| | - Jessica Zucman-Rossi
- Centre de Recherche des CordeliersSorbonne UniversitéINSERMUniversité de ParisParisFrance.,Functional Genomics of Solid Tumors Laboratory, Équipe Labellisée Ligue Nationale Contre le CancerLabex OncoImmunologyParisFrance.,Hôpital Européen Georges PompidouParisFrance
| | - Han Chu Lee
- Asan Liver CenterAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea.,GastroenterologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea
| | - Ju Hyun Shim
- Asan Liver CenterAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea.,GastroenterologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoulRepublic of Korea
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14
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Lee E, Han Y, Cha YJ, Oh JH, Hwang NR, Seo HJ, Choi KH. Community-Based Multi-Site Randomized Controlled Trial of Behavioral Activation for Patients with Depressive Disorders. Community Ment Health J 2022; 58:343-355. [PMID: 33864548 DOI: 10.1007/s10597-021-00828-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 04/09/2021] [Indexed: 11/26/2022]
Abstract
Behavioral activation (BA) is a beneficial and relatively cost-effective treatment option for depression. This study utilized a pragmatic randomized controlled research design to investigate whether BA, as compared with treatment as usual (TAU), led to superior treatment effects, when delivered in community mental health settings by retrained community mental health professionals. Patients with depressive disorders (n = 64) were randomly assigned to a 10-session BA (n = 31) or TAU (n = 33) group. The depressive symptoms and behavioral engagement were assessed at the baseline, post-treatment, and a six-month follow-up. Results showed that, as compared to the TAU group, the BA group had: (1) a reduction in depression severity, as evidenced by large effect sizes and greater response rates, and (2) an increase in behavioral engagement. However, the post-treatment gains were not maintained at the six-month follow-up. The implications and limitations of the study are also discussed (KCT0004098, June 27, 2019, retrospectively registered).
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Affiliation(s)
- Eunbyeol Lee
- Department of Psychology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Yeoul Han
- Department of Psychology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Yun Ji Cha
- Department of Psychology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Ji-Hye Oh
- Department of Psychiatry, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93, Jungbu-daero, Paldal-gu, Suwon-si, Gyeonggi-do, 16247, Republic of Korea
| | - Na-Ri Hwang
- Department of Psychiatry, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93, Jungbu-daero, Paldal-gu, Suwon-si, Gyeonggi-do, 16247, Republic of Korea
| | - Ho-Jun Seo
- Department of Psychiatry, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93, Jungbu-daero, Paldal-gu, Suwon-si, Gyeonggi-do, 16247, Republic of Korea.
| | - Kee-Hong Choi
- Department of Psychology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea.
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15
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Oh JH, Nam HJ, Park HS. Estimation of the journal distance of Genomics & Informatics from other bioinformatics-driven journals, 2003-2018. Genomics Inform 2022; 19:e51. [PMID: 35012293 PMCID: PMC8752985 DOI: 10.5808/gi.21074] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 12/09/2021] [Indexed: 11/30/2022] Open
Abstract
This study explored the trends of Genomics & Informatics during the period of 2003-2018 in comparison with 11 other scholarly journals: BMC Bioinformatics, Algorithms for Molecular Biology: AMB, BMC Systems Biology, Journal of Computational Biology, Briefings in Bioinformatics, BMC Genomics, Nucleic Acids Research, American Journal of Human Genetics, Oncogenesis, Disease Markers, and Microarrays. In total, 22,423 research articles were reviewed. Content analysis was the main method employed in the current research. The results were interpreted using descriptive analysis, a clustering analysis, word embedding, and deep learning techniques. Trends are discussed for the 12 journals, both individually and collectively. This is an extension of our previous study (PMCID: PMC6808643).
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Affiliation(s)
- Ji-Hye Oh
- Bioinformatics Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Hee-Jo Nam
- Bioinformatics Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Hyun-Seok Park
- Bioinformatics Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea.,Center for Convergence Research of Advanced Technologies, Ewha Womans University, Seoul 03760, Korea
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16
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Kang HJ, Oh JH, Kim YW, Kim W, An J, Sung CO, Kim J, Shim JH, Hwang S, Yu E, Heaphy CM, Hong SM. Clinicopathological and molecular characterization of chromophobe hepatocellular carcinoma. Liver Int 2021; 41:2499-2510. [PMID: 34036718 DOI: 10.1111/liv.14975] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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: 02/23/2021] [Revised: 05/04/2021] [Accepted: 05/20/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS Chromophobe hepatocellular carcinoma (HCC) is a newly included subtype of HCC in the 5th edition of the WHO classification with distinctive histological features (chromophobic cytoplasm with anaplastic nuclei and pseudocyst formation) and is strongly associated with the alternative lengthening of telomeres (ALT) phenotype. However, the clinicopathologic characterization and molecular features of chromophobe HCC are unknown. METHODS To comprehensively characterize chromophobe HCC, whole exome sequencing, copy number variation, and transcriptomic analyses were performed in 224 surgically resected HCC cases. Additionally, telomere-specific fluorescence in situ hybridization was used to assess ALT. These genomic profiles and ALT status were compared with clinicopathological features among subtypes of HCC, particularly chromophobe HCC and conventional HCC. RESULTS Chromophobe HCC was observed in 10.3% (23/224) cases and, compared to conventional HCC, was more frequent in females (P = .023). The overall and recurrence-free survival outcomes were similar between patients with chromophobe HCC and conventional HCC. However, chromophobe HCC displayed significantly more upregulated genes involving cell cycle progression and DNA repair. Additionally, ALT was significantly enriched in chromophobe HCC (87%; 20/23) compared to conventional HCC (2.2%, 4/178; P < .001). Somatic mutations in ALT-associated genes, including ATRX, SMARCAL1, FANCG, FANCM, SP100, TSPYL5, and RAD52 were more frequent in chromophobe HCC (30.4%, 7/23 cases) compared to conventional HCC (11.8%, 21/178 cases; P = .024). CONCLUSIONS Chromophobe HCC is a unique subtype of HCC with a prevalence of ~10%. Compared to conventional HCC, chromophobe HCC is associated with female predominance and ALT, although overall and recurrence-free outcomes are similar to conventional HCC.
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Affiliation(s)
- Hyo Jeong Kang
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ji-Hye Oh
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Yeon Wook Kim
- Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Wonkyung Kim
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jihyun An
- Department of Gastroenterology and Hepatology, Hanyang University of Medicine, Guri, Republic of Korea
| | - Chang Ohk Sung
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jihun Kim
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ju Hyun Shim
- Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Shin Hwang
- Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Eunsil Yu
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Christopher M Heaphy
- Department of Medicine, Boston University School of Medicine, Boston, MA, USA.,Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Seung-Mo Hong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
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17
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Cho EJ, Kim M, Jo D, Kim J, Oh JH, Chung HC, Lee SH, Kim D, Chun SM, Kim J, Lee H, Kim TW, Yu CS, Sung CO, Jang SJ. Immuno-genomic classification of colorectal cancer organoids reveals cancer cells with intrinsic immunogenic properties associated with patient survival. J Exp Clin Cancer Res 2021; 40:230. [PMID: 34256801 PMCID: PMC8276416 DOI: 10.1186/s13046-021-02034-1] [Citation(s) in RCA: 15] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 06/30/2021] [Indexed: 12/28/2022]
Abstract
Background The intrinsic immuno-ge7nomic characteristics of colorectal cancer cells that affect tumor biology and shape the tumor immune microenvironment (TIM) are unclear. Methods We developed a patient-derived colorectal cancer organoid (CCO) model and performed pairwise analysis of 87 CCOs and their matched primary tumors. The TIM type of the primary tumor was classified as immuno-active, immuno-exhausted, or immuno-desert. Results The gene expression profiles, signaling pathways, major oncogenic mutations, and histology of the CCOs recapitulated those of the primary tumors, but not the TIM of primary tumors. Two distinct intrinsic molecular subgroups of highly proliferative and mesenchymal phenotypes with clinical significance were identified in CCOs with various cancer signaling pathways. CCOs showed variable expression of cancer-specific immune-related genes such as those encoding HLA-I and HLA-II, and molecules involved in immune checkpoint activation/inhibition. Among these genes, the expression of HLA-II in CCOs was associated with favorable patient survival. K-means clustering analysis based on HLA-II expression in CCOs revealed a subgroup of patients, in whom cancer cells exhibited Intrinsically Immunogenic Properties (Ca-IIP), and were characterized by high expression of signatures associated with HLA-I, HLA-II, antigen presentation, and immune stimulation. Patients with the Ca-IIP phenotype had an excellent prognosis, irrespective of age, disease stage, intrinsic molecular type, or TIM status. Ca-IIP was negatively correlated with intrinsic E2F/MYC signaling. Analysis of the correlation between CCO immuno-genotype and TIM phenotype revealed that the TIM phenotype was associated with microsatellite instability, Wnt/β-catenin signaling, APC/KRAS mutations, and the unfolded protein response pathway linked to the FBXW7 mutation in cancer cells. However, Ca-IIP was not associated with the TIM phenotype. Conclusions We identified a Ca-IIP phenotype from a large set of CCOs. Our findings may provide an unprecedented opportunity to develop new strategies for optimal patient stratification in this era of immunotherapy. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-021-02034-1.
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Affiliation(s)
- Eun Jeong Cho
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea.,Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Minsuh Kim
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Daum Jo
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Jihye Kim
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Ji-Hye Oh
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea.,Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hee Chul Chung
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Sun-Hye Lee
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Deokhoon Kim
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Sung-Min Chun
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Jihun Kim
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Hyeonjin Lee
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Tae Won Kim
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chang Sik Yu
- Department of Colon and Rectal Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chang Ohk Sung
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea. .,Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. .,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
| | - Se Jin Jang
- Asan Center for Cancer Genome Discovery, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea. .,Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. .,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea. .,OncoClew Life Science Co., Ltd, Songpa-gu, Seoul, Republic of Korea.
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Hwang HS, An J, Kang HJ, Oh B, Oh YJ, Oh JH, Kim W, Sung CO, Shim JH, Yu E. Prognostic Molecular Indices of Resectable Hepatocellular Carcinoma: Implications of S100P for Early Recurrence. Ann Surg Oncol 2021; 28:6466-6478. [PMID: 33786678 DOI: 10.1245/s10434-021-09825-y] [Citation(s) in RCA: 3] [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] [Received: 09/25/2020] [Accepted: 02/21/2021] [Indexed: 01/01/2023]
Abstract
BACKGROUND Although hepatocellular carcinomas (HCCs) often recur in patients undergoing hepatectomy, there are no reliable biomarkers of this undesirable event. Recent RNA-based efforts have developed valuable genetic indices prognostic of cancer outcomes. We aimed to identify molecular predictors of early recurrence after resection of HCC, and reveal the genomolecular structure of the resected tumors. METHOD Based on the transcriptomic and genomic datasets of 206 HCC samples surgically resected in the Asan Medical Center (AMC), we performed a differential gene expression analysis to identify quantitative markers associated with early recurrence and used the unsupervised clustering method to classify genomolecular subtypes. RESULTS Differential gene expression profiling revealed that S100P was the highest-ranked overexpressed gene in HCCs that recurred within 2 years of surgery. This trend was reproduced in immunohistochemical studies of the original cohort and an independent AMC cohort. S100P expression also independently predicted HCC-specific mortality post-resection (adjusted hazard ratio 1.09, 95% confidence interval 1.01-1.19; p = 0.042). Validation in a Chinese cohort and in in vitro experiments confirmed the prognostic value of S100P in HCC. We further identified five discrete molecular subtypes of HCC; a subtype with stem cell features ('AMC-C4') was associated with the worst prognosis, both in our series and another two Asian datasets, and S100P was most strongly upregulated in that subtype. CONCLUSION We identified a promising prognostic biomolecule, S100P, associated with early recurrence after HCC resection, and established the genomolecular architecture of tumors affecting clinical outcomes, particularly in Asian patients. These new insights into molecular mediators should contribute to effective care for affected patients.
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Affiliation(s)
- Hee Sang Hwang
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jihyun An
- Department of Gastroenterology and Hepatology, Hanyang University College of Medicine, Guri, Gyeonggi, Republic of Korea
| | - Hyo Jeong Kang
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Bora Oh
- Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Yoo Jin Oh
- Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Ji-Hye Oh
- Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Wonkyung Kim
- Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Chang Ohk Sung
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. .,Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Ju Hyun Shim
- Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. .,Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Eunsil Yu
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. .,Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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19
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Lee H, Kim EN, Lee JY, Kim JH, Oh JH, Kim WK, Cho EJ, Lim J, Chun SM, Sung CO. Characterization of early postzygotic somatic mutations through multi-organ analysis. J Hum Genet 2021; 66:777-784. [PMID: 33611337 DOI: 10.1038/s10038-021-00908-y] [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] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 01/14/2021] [Accepted: 01/29/2021] [Indexed: 11/09/2022]
Abstract
Mosaicisms caused by postzygotic mutational events are of increasing interest because of their potential association with various human diseases. Postzygotic somatic mutations have not been well characterized however in terms of their developmental lineage in humans. We conducted whole-genome sequencing (WGS) and targeted deep sequencing in 15 organs across three developmental lineages from a single male fetus with polycystic kidney disease (PKD) of 21 weeks gestational age. This fetus had no detectable neurological abnormalities at autopsy but germline mutations in the PKHD1 gene were identified that may have been associated with the PKD. Eight early embryonic mosaic variants with no alteration of protein function were detected. These variants were thought to have occurred at the two or four cell stages after fertilization with a mutational pattern involving frequent C>T and T>C transitions. In our current analyses, no tendency toward organ-specific mutation occurrences was found as the eight variants were detected in all 15 organs. However different allele fractions of these variants were found in different organs, suggesting a tissue-specific asymmetric growth of cells that reflected the developmental germ layer of each organ. This indicated that somatic mutation occurrences, even in early embryogenesis, can affect specific organ development or disease. Our current analyses demonstrate that multi-organ analysis is helpful for understanding genomic mosaicism. Our results also provide insights into the biological role of mosaicism in embryonic development and disease.
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Affiliation(s)
- Hyeonjin Lee
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Eun Na Kim
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ji-Young Lee
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ji Hun Kim
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Ji-Hye Oh
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Won-Kyung Kim
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Eun Jeong Cho
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jinyeong Lim
- Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sung-Min Chun
- Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. .,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Chang Ohk Sung
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. .,Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. .,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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20
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Um YH, Oh JH, Kim TW, Seo HJ, Kim SM, Chung JS, Jeong JH, Hong SC. Nocturia and Sleep: Focus on Common Comorbidities and Their Association with Obstructive Sleep Apnea. Sleep Med Res 2020. [DOI: 10.17241/smr.2020.00731] [Citation(s) in RCA: 1] [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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21
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Kim S, Kim R, Nam HJ, Kim RG, Ko E, Kim HS, Shin J, Cho D, Jin Y, Bae S, Jo YW, Jeong SA, Kim Y, Ahn S, Jang B, Seong J, Lee Y, Seo SE, Kim Y, Kim HJ, Kim H, Sung HL, Lho H, Koo J, Chu J, Lim J, Kim Y, Lee K, Lim Y, Kim M, Hwang S, Han S, Bae S, Kim S, Yoo S, Seo Y, Shin Y, Kim Y, Ko YJ, Baek J, Hyun H, Choi H, Oh JH, Kim DY, Park HS. Organizing an in-class hackathon to correct PDF-to-text conversion errors of Genomics & Informatics 1.0. Genomics Inform 2020; 18:e33. [PMID: 33017877 PMCID: PMC7560450 DOI: 10.5808/gi.2020.18.3.e33] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
This paper describes a community effort to improve earlier versions of the full-text corpus of Genomics & Informatics by semi-automatically detecting and correcting PDF-to-text conversion errors and optical character recognition errors during the first hackathon of Genomics & Informatics Annotation Hackathon (GIAH) event. Extracting text from multi-column biomedical documents such as Genomics & Informatics is known to be notoriously difficult. The hackathon was piloted as part of a coding competition of the ELTEC College of Engineering at Ewha Womans University in order to enable researchers and students to create or annotate their own versions of the Genomics & Informatics corpus, to gain and create knowledge about corpus linguistics, and simultaneously to acquire tangible and transferable skills. The proposed projects during the hackathon harness an internal database containing different versions of the corpus and annotations.
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Affiliation(s)
- Sunho Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Royoung Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Hee-Jo Nam
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Ryeo-Gyeong Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Enjin Ko
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Han-Su Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Jihye Shin
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Daeun Cho
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Yurhee Jin
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Soyeon Bae
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Ye Won Jo
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - San Ah Jeong
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Yena Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Seoyeon Ahn
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Bomi Jang
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Jiheyon Seong
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Yujin Lee
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Si Eun Seo
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Yujin Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Ha-Jeong Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Hyeji Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Hye-Lynn Sung
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Hyoyoung Lho
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Jaywon Koo
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Jion Chu
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Juwon Lim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Youngju Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Kyungyeon Lee
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Yuri Lim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Meongeun Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Seonjeong Hwang
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Shinhye Han
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Sohyeun Bae
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Sua Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Suhyeon Yoo
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Yeonjeong Seo
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Yerim Shin
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Yonsoo Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - You-Jung Ko
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Jihee Baek
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Hyejin Hyun
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Hyemin Choi
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Ji-Hye Oh
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Da-Young Kim
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea
| | - Hyun-Seok Park
- Bioinformatics & Natural Language Processing Laboratory, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Korea.,Center for Convergence Research of Advanced Technologies, Ewha Womans University, Seoul 03760, Korea
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Oh JH, Sung CO. Comprehensive characteristics of somatic mutations in the normal tissues of patients with cancer and existence of somatic mutant clones linked to cancer development. J Med Genet 2020; 58:433-441. [PMID: 32719100 DOI: 10.1136/jmedgenet-2020-106905] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 06/02/2020] [Accepted: 06/04/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND Somatic mutations are a major driver of cancer development and many have now been identified in various cancer types, but the comprehensive somatic mutation status of the normal tissues matched to tumours has not been revealed. METHOD We analysed the somatic mutations of whole exome sequencing data in 392 patient tumour and normal tissue pairs based on the corresponding blood samples across 10 tumour types. RESULTS Many of the mutations involved in oncogenic pathways such as PI3K, NOTCH and TP53, were identified in the normal tissues. The ageing-related mutational signature was the most prominent contributing signature found and the mutations in the normal tissues were frequently in genes involved in late replication time (p<0.0001). Variants were rarely overlapping across tissue types but shared variants between normal and matched tumour tissue were present. These shared variants were frequently pathogenic when compared with non-shared variants (p=0.001) and showed a higher variant-allele-fraction (p<0.0001). Normal tissue-specific mutated genes were frequently non-cancer-associated (p=0.009). PIK3CA mutations were identified in 6 normal tissues and were harboured by all of the matched cancer tissues. Multiple types of PIK3CA mutations were found in normal breast and matched cancer tissues. The PIK3CA mutations exclusively present in normal tissue may indicate clonal expansions unrelated to the tumour. In addition, PIK3CA mutation was appeared that they arose before the occurrence of the allelic imbalance. CONCLUSION Our current results suggest that somatic mutant clones exist in normal tissues and that their clonal expansion could be linked to cancer development.
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Affiliation(s)
- Ji-Hye Oh
- Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, Songpa-gu, Seoul, The Republic of Korea.,Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Songpa-gu, Seoul, The Republic of Korea
| | - Chang Ohk Sung
- Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, Songpa-gu, Seoul, The Republic of Korea .,Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Songpa-gu, Seoul, The Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Songpa-gu, Seoul, The Republic of Korea
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23
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Kim S, Kim MH, Oh JH, Jeong SY, Park KJ, Oh HK, Kim DW, Kang SB. Predictors of permanent stoma creation in patients with mid or low rectal cancer: results of a multicentre cohort study with preoperative evaluation of anal function. Colorectal Dis 2020; 22:399-407. [PMID: 31698537 DOI: 10.1111/codi.14898] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [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: 06/02/2019] [Accepted: 10/08/2019] [Indexed: 12/24/2022]
Abstract
AIM Preoperative factors predictive of permanent stoma creation were investigated in a long-term follow-up of patients with mid or low rectal cancer. METHOD We included patients who underwent radical resection for mid or low rectal cancer with available data for preoperative anal function measured by manometry and Faecal Incontinence Severity Index questionnaire between January 2005 and December 2015 in three tertiary referral hospitals. A permanent stoma was defined as a stoma present until the patient's last follow-up visit or death. Preoperative factors that predicted permanent stoma creation were analysed. RESULTS Over a median follow-up of 57.4 months (range 12-143 months), a permanent stoma was created in 144/577 (25.0%) patients, including 89 (15.4%) who underwent abdominoperineal resection, one (0.2%) who underwent Hartmann's operation without reversal, 15 (2.6%) with a diverting ileostomy at the time of initial sphincter-preserving surgery without undergoing stoma reversal, and 39 (6.8%) who underwent permanent ileostomy formation after sphincter-preserving surgery. Patients with permanent stoma creation had a shorter tumour distance from the anal verge (P < 0.001), larger tumour size (P = 0.020) and higher preoperative Faecal Incontinence Severity Index score (P = 0.020). On multivariable analysis, tumour distance from the anal verge predicted permanent stoma formation (relative risk 0.53 per centimetre increase; 95% confidence interval 0.46-0.60; P < 0.001) but preoperative anal function did not. CONCLUSION Tumour distance from the anal verge was the only preoperative determinant of permanent stoma creation in rectal cancer patients. These data may help mid and low rectal cancer patients understand the need for permanent stoma.
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Affiliation(s)
- S Kim
- Department of Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Surgery, Armed Forces Capital Hospital, Seongnam, Korea
| | - M H Kim
- Department of Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - J H Oh
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - S-Y Jeong
- Department of Surgery, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
| | - K J Park
- Department of Surgery, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
| | - H-K Oh
- Department of Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - D-W Kim
- Department of Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - S-B Kang
- Department of Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
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Oh JH, Jang SJ, Kim J, Sohn I, Lee JY, Cho EJ, Chun SM, Sung CO. Spontaneous mutations in the single TTN gene represent high tumor mutation burden. NPJ Genom Med 2020; 5:33. [PMID: 32821429 PMCID: PMC7424531 DOI: 10.1038/s41525-019-0107-6] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 11/13/2019] [Indexed: 12/13/2022] Open
Abstract
Tumor mutation burden (TMB) is an emerging biomarker, whose calculation requires targeted sequencing of many genes. We investigated if the measurement of mutation counts within a single gene is representative of TMB. Whole-exome sequencing (WES) data from the pan-cancer cohort (n = 10,224) of TCGA, and targeted sequencing (tNGS) and TTN gene sequencing from 24 colorectal cancer samples (AMC cohort) were analyzed. TTN was identified as the most frequently mutated gene within the pan-cancer cohort, and its mutation number best correlated with TMB assessed by WES (rho = 0.917, p < 2.2e-16). Colorectal cancer was one of good candidates for the application of this diagnostic model of TTN-TMB, and the correlation coefficients were 0.936 and 0.92 for TMB by WES and TMB by tNGS, respectively. Higher than expected TTN mutation frequencies observed in other FLAGS (FrequentLy mutAted GeneS) are associated with late replication time. Diagnostic accuracy for high TMB group did not differ between TTN-TMB and TMB assessed by tNGS. Classification modeling by machine learning using TTN-TMB for MSI-H diagnosis was constructed, and the diagnostic accuracy was 0.873 by area under the curve in external validation. TTN mutation was enriched in samples possessing high immunostimulatory signatures. We suggest that the mutation load within TTN represents high TMB status.
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Affiliation(s)
- Ji-Hye Oh
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Se Jin Jang
- Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jihun Kim
- Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Insuk Sohn
- Biostatistics and Clinical Epidemiology Center, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Ji-Young Lee
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Eun Jeong Cho
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Sung-Min Chun
- Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chang Ohk Sung
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Kim YJ, Wang SG, Park UK, Oh JH, Hwang SY. Antidiabetic and Antioxidative Effects of Bitter Melon on Streptozotocin-induced Diabetic Rats. Korean J Clin Lab Sci 2019. [DOI: 10.15324/kjcls.2019.51.4.504] [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: 11/05/2022] Open
Affiliation(s)
- Yeon-Jeoung Kim
- Department of Food and Nutrition, Daejeon University, Daejeon, Korea
| | - Soo-Gyoung Wang
- Department of Food and Nutrition, Daejeon University, Daejeon, Korea
| | - Un-Kyu Park
- Department of Biomedical Laboratory Science, Daejeon University, Daejeon, Korea
| | - Ji-Hye Oh
- Department of Biomedical Laboratory Science, Daejeon University, Daejeon, Korea
| | - Seock-Yeon Hwang
- Department of Biomedical Laboratory Science, Daejeon University, Daejeon, Korea
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Choe JC, Cha KS, Shin JY, Ahn J, Park JS, Lee HW, Oh JH, Choi JH, Lee HC, Hong TJ. 3334Updated meta-analysis of biodegradable polymer drug-eluting stent versus second-generation durable polymer drug-eluting stent implantations. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0086] [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
Data regarding clinical outcomes of biodegradable polymer drug-eluting stent (BP-DES) versus second-generation durable polymer drug-eluting stent (DP-DES) in patients undergoing percutaneous coronary intervention (PCI) are inconclusive.
Purpose
We aimed to perform a meta-analysis to investigate the clinical outcomes of BP-DES compared with second-generation DP-DES in patients who have undergone PCI.
Methods
We searched PubMed, MEDLINE, EMBASE, and Cochrane databases through January 2019 for randomized controlled trials comparing BP-DES with second-generation DP-DES in patients treated with PCI. All-cause death, cardiac death, myocardial infarction (MI), target vessel revascularization (TVR), target lesion revascularization (TLR), definite/probable stent thrombosis (ST) were compared between the groups. Additionally, a landmark analysis with the landmark set at 1 year and a subgroup analysis according to stent characteristics were performed.
Results
Data from 23 trials including 28802 randomized patients were analyzed. At a median follow up of 3.1 years, no significant differences were found in terms of all-cause death (odds ratio [OR] 1.05, 95% confidence interval [CI] 0.95–1.16), cardiac death (OR 1.01, 95% CI 0.87–1.17), MI (OR 0.92, 95% CI 0.82–1.03), TVR (OR 0.97, 95% CI 0.86–1.11), TLR (OR 0.97, 95% CI 0.85–1.11), and definite/probable ST (OR 0.86, 95% CI 0.70–1.07) between the groups. Landmark analysis showed that there were similar risks in all-cause death (OR 1.04, 95% CI 0.93–1.17), cardiac death (OR 1.11, 95% CI 0.92–1.36), MI (OR 0.94, 95% CI 0.79–1.13), TVR (OR 0.95, 95% CI 0.73–1.23), TLR (OR 1.00, 95% CI 0.80–1.24), and definite/probable ST (OR 0.92, 95% CI 0.67–1.28) between the groups. The similar tendency of any study endpoints between the groups was consistent in the subgroup, including stent platform (stainless steel vs. alloy), the drug coating distribution (abluminal vs. circumferential), the polymer degradation period (<6 months vs. >6 months), or the drug release duration (<6 months vs. >6 months) of BP-DES, or the DAPT duration (≥6 months vs. ≥12 months). However, the uses of BP-DES with sirolimus-eluting (OR 0.84, 95% CI 0.72–0.98) or ultrathin strut (defined as <70μm; OR 0.81, 95% CI 0.68–0.97) were predictive for lower risk of MI.
Clinical outcomes
Conclusions
In our updated meta-analysis, BP-DES implantation was associated with comparable clinical outcomes compared with second-generation DP-DES implantation. However, PCI with ultrathin biodegradable polymer sirolimus-eluting stent could reduce the risk of MI.
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Affiliation(s)
- J C Choe
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - K S Cha
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J Y Shin
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J Ahn
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J S Park
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - H W Lee
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J H Oh
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J H Choi
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - H C Lee
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - T J Hong
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
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Choe JC, Cha KS, Shin JY, Ahn J, Park JS, Lee HW, Oh JH, Choi JH, Lee HC, Hong TJ. P2799Long-term outcomes after percutaneous coronary intervention with biodegradable polymer drug-eluting stent versus second-generation durable polymer drug-eluting stent: evidence from a meta-analysis. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.1112] [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
The true benefit of biodegradable polymer drug-eluting stent (BP-DES) over second-generation durable polymer drug-eluting stent (DP-DES) expected to be represented during late period of follow-up after percutaneous coronary intervention (PCI), but prior meta-analysis only evaluated short-term outcomes.
Purpose
We aimed to compare the long-term clinical outcomes after PCI with BP-DES versus second-generation DP-DES by a meta-analysis of randomized controlled trials.
Methods
Randomized controlled trials comparing BP-DES with second-generation DP-DES implantations were searched through PubMed, MEDLINE, EMBASE, and Cochrane databases. All-cause death, cardiac death, myocardial infarction (MI), target vessel revascularization (TVR), target lesion revascularization (TLR), and definite/probable stent thrombosis (ST) were compared between the groups. In addition, a landmark analysis with the landmark set at 1-year and a subgroup analysis based on stent characteristics were performed.
Results
Fifteen trials that included a total of 21311 randomized patients with at least 2 years follow-up were analyzed. At a median follow-up of 4.2 years, no significant differences in the risks of all-cause death (odds ratio [OR] 1.03, 95% confidence interval [CI] 0.94–1.14), cardiac death (OR 1.03, 95% CI 0.88–1.20), MI (OR 0.90, 95% CI 0.79–1.01), TVR (OR 0.96, 95% CI 0.82–1.12), TLR (OR 0.97, 95% CI 0.85–1.11), and definite/probable ST (OR 0.84, 95% CI 0.67–1.05) were found between the groups. In the 1-year landmark analysis, the rates of all-cause death (OR 1.04, 95% CI 0.93–1.17), cardiac death (OR 1.11, 95% CI 0.92–1.36), MI (OR 0.94, 95% CI 0.79–1.13), TVR (OR 0.95, 95% CI 0.73–1.23), TLR (OR 1.00, 95% CI 0.80–1.24), and definite/probable ST (OR 0.94, 95% CI 0.67–1.31) were similar between the groups. There were comparable rates of any study endpoints between the groups regardless of stent platform (stainless steel vs. alloy), the polymer degradation period (<6 months vs. >6 months) or the drug release duration (<6 months vs. >6 months) of BP-DES, or the DAPT duration (≥6 months vs. ≥12 months). However, the use of BP-DES with sirolimus eluting (OR 0.82, 95% CI 0.70–0.97), circumferential drug distribution (OR 0.79, 95% CI 0.65–0.96), thin strut (defined as <100μm; OR 0.83, 95% CI 0.70–0.97), or ultrathin strut (defined as <70μm; OR 0.78, 95% CI 0.64–0.94) were associated with lower rates of MI than did second-generation DP-DES. Moreover, BP-DES with circumferential drug distribution (OR 0.82, 95% CI 0.69–0.98) was predictive for reduced rates of TVR.
Clinical outcomes
Conclusions
In this meta-analysis, long-term clinical outcomes were equivalent between BP-DES and second-generation DP-DES implantations. However, among BP-DESs, the improved risks of MI in those with sirolimus eluting, circumferential drug distribution, thin strut, or ultrathin strut and decreased rates of TVR in those with circumferential drug distribution were noted.
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Affiliation(s)
- J C Choe
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - K S Cha
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J Y Shin
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J Ahn
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J S Park
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - H W Lee
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J H Oh
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - J H Choi
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - H C Lee
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
| | - T J Hong
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea (Republic of)
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Kang HJ, Oh JH, Chun SM, Kim D, Ryu YM, Hwang HS, Kim SY, An J, Cho EJ, Lee H, Shim JH, Sung CO, Yu E. Immunogenomic landscape of hepatocellular carcinoma with immune cell stroma and EBV-positive tumor-infiltrating lymphocytes. J Hepatol 2019; 71:91-103. [PMID: 30930222 DOI: 10.1016/j.jhep.2019.03.018] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [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: 10/18/2018] [Revised: 02/12/2019] [Accepted: 03/14/2019] [Indexed: 12/25/2022]
Abstract
BACKGROUND & AIMS The immunogenomic characteristics of hepatocellular carcinomas (HCCs) with immune cell stroma (HCC-IS), defined histologically, have not been clarified. We investigated the clinical and molecular features of HCC-IS and the prognostic impact of Epstein-Barr virus (EBV) infection. METHODS We evaluated 219 patients with conventional HCC (C-HCC) and 47 with HCC-IS using in situ hybridization for EBV, immunohistochemistry, multiplex immunofluorescence staining, and whole exome and transcriptome sequencing. Human leukocyte antigen types were also extracted from the sequencing data. Genomic and prognostic parameters were compared between HCC-IS and C-HCC. RESULTS CD8 T cell infiltration was more frequent in HCC-IS than C-HCC (mean fraction/sample, 22.6% vs. 8.9%, false discovery rate q <0.001), as was EBV positivity in CD20-positive tumor-infiltrating lymphocytes (TILs) (74.5% vs. 4.6%, p <0.001). CTNNB1 mutations were not identified in any HCC-IS, while they were present in 24.1% of C-HCC (p = 0.016). Inhibitory and stimulatory immune modulators were expressed at similar levels in HCC-IS and EBV-positive C-HCC. Global hypermethylation, and expression of PD-1 and PD-L1 in TILs, and PD-L1 in tumors, were also associated with HCC-IS (p <0.001), whereas human leukocyte antigen type did not differ according to HCC type or EBV positivity. HCC-IS was an independent factor for favorable recurrence-free survival (adjusted hazard ratio [aHR] 0.23; p = 0.002). However, a subgroup of tumors with a high density of EBV-positive TILs had poorer recurrence-free (aHR 25.48; p <0.001) and overall (aHR 9.6; p = 0.003) survival, and significant enrichment of CD8 T cell exhaustion signatures (q = 0.0296). CONCLUSIONS HCC-IS is a distinct HCC subtype associated with a good prognosis and frequent EBV-positive TILs. However, paradoxically, a high density of EBV-positive TILs in tumors is associated with inferior prognostic outcomes. Patients with HCC-IS could be candidates for immunotherapy. LAY SUMMARY Hepatocellular carcinomas with histologic evidence of abundant immune cell infiltration are characterized by frequent activation of Epstein-Barr virus in tumor-infiltrating lymphocytes and less aggressive clinical behavior. However, a high density of Epstein-Barr virus-positive tumor-infiltrating lymphocytes is associated with inferior prognostic outcomes, possibly as a result of immune escape due to significant CD8 T cell exhaustion.
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Affiliation(s)
- Hyo Jeong Kang
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ji-Hye Oh
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sung-Min Chun
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea; Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Deokhoon Kim
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea; Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Yeon-Mi Ryu
- Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea
| | - Hee Sang Hwang
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sang-Yeob Kim
- Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea; Department of Convergence Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Jihyun An
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea; Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea; Department of Gastroenterology and Hepatology, Hanyang University of Medicine, Guri, Republic of Korea
| | - Eun Jeong Cho
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hyeonjin Lee
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ju Hyun Shim
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea; Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Chang Ohk Sung
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea; Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Seoul, Republic of Korea; Center for Cancer Genome Discovery, Asan Institute for Life Science, Asan Medical Center, Seoul, Republic of Korea.
| | - Eunsil Yu
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea; Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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Park H, Chun SM, Shim J, Oh JH, Cho EJ, Hwang HS, Lee JY, Kim D, Jang SJ, Nam SJ, Hwang C, Sohn I, Sung CO. Detection of chromosome structural variation by targeted next-generation sequencing and a deep learning application. Sci Rep 2019; 9:3644. [PMID: 30842562 PMCID: PMC6403216 DOI: 10.1038/s41598-019-40364-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [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: 09/20/2018] [Accepted: 02/14/2019] [Indexed: 12/30/2022] Open
Abstract
Molecular testing is increasingly important in cancer diagnosis. Targeted next generation sequencing (NGS) is widely accepted method but structural variation (SV) detection by targeted NGS remains challenging. In the brain tumor, identification of molecular alterations, including 1p/19q co-deletion, is essential for accurate glial tumor classification. Hence, we used targeted NGS to detect 1p/19q co-deletion using a newly developed deep learning (DL) model in 61 tumors, including 19 oligodendroglial tumors. An ensemble 1-dimentional convolution neural network was developed and used to detect the 1p/19q co-deletion. External validation was performed using 427 low-grade glial tumors from The Cancer Genome Atlas (TCGA). Manual review of the copy number plot from the targeted NGS identified the 1p/19q co-deletion in all 19 oligodendroglial tumors. Our DL model also perfectly detected the 1p/19q co-deletion (area under the curve, AUC = 1) in the testing set, and yielded reproducible results (AUC = 0.9652) in the validation set (n = 427), although the validation data were generated on a completely different platform (SNP Array 6.0 platform). In conclusion, targeted NGS using a cancer gene panel is a promising approach for classifying glial tumors, and DL can be successfully integrated for the SV detection in NGS data.
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Affiliation(s)
- Hosub Park
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Sung-Min Chun
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Jooyong Shim
- Institute of Statistical Information, Department of Statistics, Inje University, Gyeongsangnam-do, Korea
| | - Ji-Hye Oh
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Eun Jeong Cho
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Hee Sang Hwang
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Ji-Young Lee
- Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Deokhoon Kim
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Se Jin Jang
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.,Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Soo Jeong Nam
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Changha Hwang
- Department of Applied Statistics, Dankook University, Gyeonggido, Korea.
| | - Insuk Sohn
- Biostatistics and Clinical Epidemiology Center, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Korea.
| | - Chang Ohk Sung
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea. .,Center for Cancer Genome Discovery, Asan Institute for Life Science, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea. .,Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
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Choe JC, Cha KS, Shin JY, Lee SH, Ahn J, Park JS, Lee HW, Oh JH, Choi JH, Lee HC, Hong TJ, Jeong MH. 1466Prognosis of biodegradable polymer drug-eluting stents versus second-generation durable polymer drug-eluting stents in acute myocardial infarction patients following percutaneous coronary intervention. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.1466] [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: 11/13/2022] Open
Affiliation(s)
- J C Choe
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - K S Cha
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - J Y Shin
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - S H Lee
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - J Ahn
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - J S Park
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - H W Lee
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - J H Oh
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - J H Choi
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - H C Lee
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - T J Hong
- Pusan National University Hospital, Department of Cardiology, Pusan, Korea Republic of
| | - M H Jeong
- Chonnam National University Hospital, Department of Cardiology, Gwangju, Korea Republic of
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Oh JH, Kim CW, Kim SE, Lee DH. Does the Bed Frame Deflection Occur along with Mattress Deflection during In-Hospital Cardiopulmonary Resuscitation? an Experiment Using Mechanical Devices. HONG KONG J EMERG ME 2017. [DOI: 10.1177/102490791602300205] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objectives When we perform chest compression on a patient on a bed, the mattress and bed frame can be depressed together with the patient's chest. This study was conducted to assess whether bed frame deflection occurred during chest compressions. Methods We designed a firm bed (“bed like the ground,” BLG) to assess the bed frame deflection in the Stryker Trauma Stretcher (STS) and the ER stretcher cart (ER-SC). The STS included a soft mattress and the ER-SC a hard mattress. We performed 50 continuous chest compressions on the Resusci Anne Skill Reporter with CPRmeter in each experiment. The experiments were done in four settings. Test 1 included the BLG; test 2 included a mattress and backboard on each bed; test 3 included the mattress of each bed and a backboard on the BLG; and test 4 included the mattress of each bed on the BLG. We calculated the mattress and bed frame deflections using the gaps of compression depths between the values measured by Resusci Anne and CPRmeter. Results The mattress deflections of the STS and ER-SC mattress were determined to be 11.2 and 0.67 mm, respectively. The bed frame deflection for the STS and ER-SC were 0.95 and 5.17 mm, respectively. Conclusion The study confirms that bed frame deflection will occur when we perform chest compressions on the manikin lying on a bed. Additionally, the bed frame deflections differ depending on the type of bed. (Hong Kong j.emerg.med. 2016;23:35-41)
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Kim SH, Park KN, Kim J, Eun CK, Park YM, Oh MK, Choi KH, Kim HJ, Kim DW, Choo HJ, Cho JH, Oh JH, Park HY. Accuracy of Plain Abdominal Radiography in the Differentiation between Small Bowel Obstruction and Small Bowel Ileus in Acute Abdomen Presenting to Emergency Department. HONG KONG J EMERG ME 2017. [DOI: 10.1177/102490791101800202] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Introduction Our purpose was to evaluate whether plain abdominal radiography (PAR) could accurately differentiate between small bowel obstruction (SBO) and small bowel ileus (SBI) in an emergency setting. We also evaluated the value of known classic signs on the PAR for differentiating between SBO and SBI. Methods This retrospective study included 216 emergency room patients who had small bowel distension (maximal small bowel diameter ≥2.5 cm) on the PAR and who underwent successive abdominal computed tomography. One radiologist and one emergency physician retrospectively reviewed PAR in consensus, unaware of the patients' clinical data; they divided the patients into an SBO group and an SBI group according to the radiographic findings. Presence or numeric values of 10 radiographic signs were also recorded. Final diagnoses of SBO and SBI were established by a combined analysis of medical charts, surgical records, radiographic findings on abdominal computed tomography, and small bowel studies. The differential diagnoses based on PAR and the final diagnoses were compared, and the sensitivity and specificity of PAR were calculated. We also evaluated the differences among 10 radiographic signs between the final SBO and SBI groups. Results Sensitivity and specificity of PAR for SBO were 82.0% and 92.4%, respectively. Among the 10 radiographic signs, all except maximal colon diameter were statistically significant predictors on the final diagnosis. Conclusions PAR is an accurate and effective initial imaging modality for differentiating between SBO and SBI in an emergency setting, and most of the classic radiographic signs have a diagnostic value.
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Affiliation(s)
- SH Kim
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - KN Park
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - J Kim
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - CK Eun
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - YM Park
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - MK Oh
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - KH Choi
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
- Uijeongbu St. Mary's Hospital, Department of Emergency Medicine, The Catholic University of Korea, 65-1 Geumo-dong, Uijeongbu-si, Gyeonggi-do, 480-717, Republic of Korea
| | - HJ Kim
- Uijeongbu St. Mary's Hospital, Department of Emergency Medicine, The Catholic University of Korea, 65-1 Geumo-dong, Uijeongbu-si, Gyeonggi-do, 480-717, Republic of Korea
| | - DW Kim
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - HJ Choo
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - JH Cho
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - JH Oh
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
| | - HY Park
- Inje University Haeundae Paik Hospital, Department of Emergency Medicine, 1435 Jwa-dong, Haewondae-gu, Busan 612-030, Republic of Korea
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Thor M, Olsson CE, Oh JH, Hedström J, Pauli N, Johansson M, Deasy JO, Finizia C. Temporal patterns of patient-reported trismus and associated mouth-opening distances in radiotherapy for head and neck cancer: A prospective cohort study. Clin Otolaryngol 2017; 43:22-30. [PMID: 28463432 DOI: 10.1111/coa.12896] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2017] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To identify temporal patterns of patient-reported trismus during the first year post-radiotherapy, and to study their associations with maximal interincisal opening distances (MIOs). DESIGN Single institution case series. SETTING University hospital ENT clinic. PARTICIPANTS One hundred and ninety-six subjects who received radiotherapy (RT) for head and neck cancer (HNC) with or without chemotherapy in 2007-2012 to a total dose of 64.6/68 Gy in 38/34 fractions, respectively. All subjects were prospectively assessed for mouth-opening ability (Gothenburg Trismus Questionnaire (GTQ), European Organization for Research and Treatment of Cancer quality of life Questionnaire (EORTC QLQ-H&N35), and MIO) pre-RT and at 3, 6 and 12 months after RT. MAIN OUTCOME MEASURES Correlations between temporally robust GTQ symptoms and MIO as given by Pearson's correlation coefficients (Pr ); temporally robust GTQ-symptom domains as given by factor analysis; rates of trismus with respect to baseline by risk ratios (RRs). RESULTS Four temporally robust domains were identified: Eating (3-7 symptoms), Jaw (3-7), Pain (2-5) and Quality of Life (QoL, 2-5), and included 2-3 persistent symptoms across all post-RT assessments. The median RR for a moderate/severe (>2/>3) cut-off was the highest for Jaw (3.7/3.6) and QoL (3.2/2.9). The median Pr between temporally robust symptoms and MIO post-radiotherapy was 0.25-0.35/0.34-0.43/0.24-0.31/0.34-0.50 for Eating/Jaw/Pain/QoL, respectively. CONCLUSIONS Mouth-opening distances in patients with HNC post-RT can be understood in terms of associated patient-reported outcomes on trismus-related difficulties. Our data suggest that a reduction in MIO can be expected as patients communicate their mouth-opening status to interfere with private/social life, a clinical warning signal for emerging or worsening trismus as patients are being followed after RT.
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Affiliation(s)
- M Thor
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - C E Olsson
- Department of Radiation Physics, Institute of Clinical Sciences, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.,Regional Cancer Center West, The Western Sweden Healthcare region, Gothenburg, Sweden
| | - J H Oh
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - J Hedström
- Department of Otorhinolaryngology, Head and Neck Surgery, Institute of Clinical Sciences, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - N Pauli
- Department of Otorhinolaryngology, Head and Neck Surgery, Institute of Clinical Sciences, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - M Johansson
- Department of Otorhinolaryngology, Head and Neck Surgery, Institute of Clinical Sciences, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - J O Deasy
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - C Finizia
- Department of Otorhinolaryngology, Head and Neck Surgery, Institute of Clinical Sciences, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
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Nam MJ, Han KS, Kim BC, Hong CW, Sohn DK, Chang HJ, Kim MJ, Kim SY, Baek JY, Park SC, Oh JH. Long-term outcomes of locally or radically resected T1 colorectal cancer. Colorectal Dis 2016; 18:852-60. [PMID: 26589573 DOI: 10.1111/codi.13221] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [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] [Received: 04/21/2015] [Accepted: 10/08/2015] [Indexed: 12/11/2022]
Abstract
AIM Little is known about the long-term outcome of T1 colorectal cancer (CRC) following curative resection. The present study addressed the long-term outcome of locally or radically resected T1 CRCs. METHOD A total of 430 patients with T1 CRC who underwent local or radical resection were considered. Unfavourable histological factors were defined as positive resection margin, deep submucosal invasion, vascular invasion, Grade 3 and budding. The patients were classified as low-risk (unfavourable histological factor negative, n = 65) or high-risk (unfavourable histological factor positive, n = 365). RESULTS Over a median follow-up of 78.4 months, disease recurred in 16 (3.7%) patients in the high-risk group, and no recurrence in the low-risk group. Resection type and vascular invasion were significantly associated with recurrence. In the vascular invasion (+) high-risk group, both 5-year disease-free survival rate and 5-year overall survival rate were significantly associated with resection type (radical 94.6%, local 43.8%, P < 0.001, and radical 99.1%, local 66.7%, P < 0.001). In the vascular invasion (-) high-risk group, 5-year disease-free survival rate was also significantly associated with resection type (radical 98.9%, local 84.7%, P = 0.001). However, 5-year overall survival rate was not associated with resection type (radical 98.9%, local 95.2%, P = 0.816). CONCLUSION Local resection may be effective and oncologically safe in low-risk T1 CRC. Although additional surgery should be recommended for the locally resected high-risk T1 CRC cases, intensive surveillance without additional surgery and timely salvage operation may offer another treatment option, if vascular invasion is negative.
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Affiliation(s)
- M J Nam
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - K S Han
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea.,Center for Cancer Prevention and Early Detection, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - B C Kim
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea.,Center for Cancer Prevention and Early Detection, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - C W Hong
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea.,Center for Cancer Prevention and Early Detection, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - D K Sohn
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea.,Center for Cancer Prevention and Early Detection, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - H J Chang
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - M J Kim
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - S Y Kim
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - J Y Baek
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - S C Park
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - J H Oh
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
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Oh H, Bae E, Lim S, Oh J, Han S, Seo W. Temporal changes in physiological parameters of systemic inflammatory response syndrome during the three days prior to a diagnosis of sepsis: a case-control study. J Clin Nurs 2016; 25:3176-3188. [PMID: 27431452 DOI: 10.1111/jocn.13327] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2016] [Indexed: 12/01/2022]
Abstract
AIMS AND OBJECTIVES This study was conducted to determine temporal patterns of early changes in physiological parameters of systemic inflammatory response syndrome over three days prior to a diagnosis of sepsis. BACKGROUND Early detection and timely management of systemic inflammatory response syndrome are often not implemented due to a failure to recognise or diagnose systemic inflammatory response syndrome. DESIGN A retrospective case-control study design was adopted. METHODS All 81 study subjects in an intensive care unit were included: 33 case subjects who received a definitive diagnosis of sepsis and 48 control patients who were not diagnosed with systemic inflammatory response syndrome or sepsis. Vital signs (temperatures, heart rates, blood pressures and respiratory rates) and white blood cell count, urine output, serum creatinine concentration, platelet count and serum glucose level data were collected for one, two and three days prior to sepsis diagnosis. RESULTS Homogeneity test revealed greater proportions of the aged and subjects with diabetes mellitus, hypertension and wound in the case group. Analysis also showed significant intergroup differences in systemic inflammatory response syndrome criteria score, heart rates, platelet counts and blood glucose levels, but no intergroup differences in body temperatures, blood pressures, respiratory rates, urine outputs or serum creatinine levels. A larger proportion of case subjects were fitted with a central venous or Foley catheter. CONCLUSIONS The presence of a wound, hypertension or diabetes mellitus, and the use of an invasive medical device may increase the risk of systemic inflammatory response syndrome. Of the physiological parameters examined, heart rate, platelet counts, and blood glucose levels might serve as significant early signs of systemic inflammatory response syndrome. RELEVANCE TO CLINICAL PRACTICE Caution should be observed whenever diabetic or hypertension patients develop sudden and persistent hyperglycaemia or tachycardia, and nurses should also be aware of the potential for systemic inflammatory response syndrome in patients with a central venous or indwelling urinary catheter.
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Affiliation(s)
- HyunSoo Oh
- Department of Nursing, Inha University, Incheon, Korea
| | - EunKyoung Bae
- Department of Nursing, Inha University, Incheon, Korea.,Inha University Hospital, Incheon, Korea
| | - SeonYoung Lim
- Department of Nursing, Inha University, Incheon, Korea.,Inha University Hospital, Incheon, Korea
| | - JiHye Oh
- Department of Nursing, Inha University, Incheon, Korea.,Inha University Hospital, Incheon, Korea
| | - SunYoung Han
- Department of Nursing, Inha University, Incheon, Korea.,Inha University Hospital, Incheon, Korea
| | - WhaSook Seo
- Department of Nursing, Inha University, Incheon, Korea.
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Kim BC, Kim YE, Chang HJ, Lee SH, Youk EG, Lee DS, Lee JB, Lee EJ, Kim MJ, Sohn DK, Oh JH. Lymph node size is not a reliable criterion for predicting nodal metastasis in rectal neuroendocrine tumours. Colorectal Dis 2016; 18:O243-51. [PMID: 27166857 DOI: 10.1111/codi.13377] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [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: 12/08/2015] [Accepted: 04/12/2016] [Indexed: 02/08/2023]
Abstract
AIM The study was designed to assess the correlation between lymph node (LN) size and LN metastasis in patients with rectal neuroendocrine tumours (NETs). METHOD Forty patients who underwent curative resection with lymphadenectomy for a rectal NET between January 2007 and December 2012 were included. The short and long diameters of entire nodes were microscopically measured using a slide gauge. RESULTS In all, 1052 LNs were collected from the 40 patients, with 49 (4.7%) showing evidence of metastasis. Metastasis-positive LNs had significantly greater long and short diameters (P < 0.001) than metastasis-negative LNs. Of the 49 metastatic LNs, 29 (59.2%) were ≤ 5 mm in largest diameter. In five patients, the largest metastatic LN was only 2-3 mm in diameter. In clinically node-negative (cN0) patients, 18 (51.4%) patients had metastatic LNs (pN1). CONCLUSION The size of LNs containing metastasis varied widely, with some being very small. LN size alone is therefore not a sufficient predictor of tumour metastasis in rectal NETs. Radical surgery with lymphadenectomy should be considered for patients with rectal NETs with high risk factors for LN metastasis, even those without LN enlargement.
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Affiliation(s)
- B C Kim
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Gyeonggi, Korea
| | - Y E Kim
- Department of Pathology, Research Institute and Hospital, National Cancer Center, Goyang, Gyeonggi, Korea
| | - H J Chang
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Gyeonggi, Korea.,Department of Pathology, Research Institute and Hospital, National Cancer Center, Goyang, Gyeonggi, Korea
| | - S H Lee
- Department of Pathology, Daehang Hospital, Seoul, Korea
| | - E G Youk
- Department of Surgery, Daehang Hospital, Seoul, Korea
| | - D-S Lee
- Department of Surgery, Daehang Hospital, Seoul, Korea
| | - J B Lee
- Department of Surgery, Daehang Hospital, Seoul, Korea
| | - E-J Lee
- Department of Surgery, Daehang Hospital, Seoul, Korea
| | - M J Kim
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Gyeonggi, Korea
| | - D K Sohn
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Gyeonggi, Korea
| | - J H Oh
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Gyeonggi, Korea
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Gowran A, Kulikova T, Lewis FC, Foldes G, Fuentes L, Viiri LE, Spinelli V, Costa A, Perbellini F, Sid-Otmane C, Bax NAM, Pekkanen-Mattila M, Schiano C, Chaloupka A, Forini F, Sarkozy M, De Jager SCA, Vajen T, Glezeva N, Lee HW, Golovkin A, Kucera T, Musikhina NA, Korzhenkov NP, Santuchi MDEC, Munteanu D, Garcia RG, Ang R, Usui S, Kamilova U, Jumeau C, Aberg M, Kostina DA, Brandt MM, Muntean D, Lindner D, Sadaba R, Bacova B, Nikolov A, Sedmera D, Ryabov V, Neto FP, Lynch M, Portero V, Kui P, Howarth FC, Gualdoni A, Prorok J, Diolaiuti L, Vostarek F, Wagner M, Abela MA, Nebert C, Xiang W, Kloza M, Maslenko A, Grechanyk M, Bhattachariya A, Morawietz H, Babaeva AR, Martinez Sanchez SM, Krychtiuk KA, Starodubova J, Fiorelli S, Rinne P, Ozkaramanli Gur D, Hofbauer T, Starodubova J, Stellos K, Pinon P, Tsoref O, Thaler B, Fraga-Silva RA, Fuijkschot WW, Shaaban MNS, Matthaeus C, Deluyker D, Scardigli M, Zahradnikova A, Dominguez A, Kondrat'eva D, Sosorburam T, Murarikova M, Duerr GD, Griecsova L, Portnichenko VI, Smolina N, Duicu OANAM, Elder JM, Zaglia T, Lorenzon A, Ruperez C, Woudstra L, Suffee N, De Lucia C, Tsoref O, Russell-Hallinan A, Menendez-Montes I, Kapelko VI, Emmens RW, Hetman O, Van Der Laarse WJ, Goncharov S, Adao R, Huisamen B, Sirenko O, Kamilova U, Nassiri I, Tserendavaa SUMIYA, Yushko K, Baldan Martin M, Falcone C, Vigorelli V, Nigro P, Pompilio G, Stepanova O, Valikhov M, Samko A, Masenko V, Tereschenko S, Teoh T, Domenjo-Vila E, Theologou T, Field M, Awad W, Yasin M, Nadal-Ginard B, Ellison-Hughes GM, Hellen N, Vittay O, Harding SE, Gomez-Cid L, Fernandez-Santos ME, Suarez-Sancho S, Plasencia V, Climent A, Sanz-Ruiz R, Hedhammar M, Atienza F, Fernandez-Aviles F, Kiamehr M, Oittinen M, Viiri KM, Kaikkonen M, Aalto-Setala K, Diolaiuti L, Laurino A, Sartiani L, Vona A, Zanardelli M, Cerbai E, Failli P, Hortigon-Vinagre MP, Van Der Heyden M, Burton FL, Smith GL, Watson S, Scigliano M, Tkach S, Alayoubi S, Harding SE, Terracciano CM, Ly HQ, Mauretti A, Van Marion MH, Van Turnhout MC, Van Der Schaft DWJ, Sahlgren CM, Goumans MJ, Bouten CVC, Vuorenpaa H, Penttinen K, Sarkanen R, Ylikomi T, Heinonen T, Aalto-Setala K, Grimaldi V, Aprile M, Esposito R, Maiello C, Soricelli A, Colantuoni V, Costa V, Ciccodicola A, Napoli C, Rowe GC, Johnson K, Arany ZP, Del Monte F, D'aurizio R, Kusmic C, Nicolini G, Baumgart M, Groth M, Ucciferri N, Iervasi G, Pitto L, Pipicz M, Gaspar R, Siska A, Foldesi I, Kiss K, Bencsik P, Thum T, Batkai S, Csont T, Haan JJ, Bosch L, Brans MAD, Van De Weg SM, Deddens JC, Lee SJ, Sluijter JPG, Pasterkamp G, Werner I, Projahn D, Staudt M, Curaj A, Soenmez TT, Simsekyilmaz S, Hackeng TM, Von Hundelshausen P, Koenen RR, Weber C, Liehn EA, Santos-Martinez M, Medina C, Watson C, Mcdonald K, Gilmer J, Ledwidge M, Song SH, Lee MY, Park MH, Choi JC, Ahn JH, Park JS, Oh JH, Choi JH, Lee HC, Cha KS, Hong TJ, Kudryavtsev I, Serebryakova M, Malashicheva A, Shishkova A, Zhiduleva E, Moiseeva O, Durisova M, Blaha M, Melenovsky V, Pirk J, Kautzner J, Petelina TI, Gapon LI, Gorbatenko EA, Potolinskaya YV, Arkhipova EV, Solodenkova KS, Osadchuk MA, Dutra MF, Oliveira FCB, Silva MM, Passos-Silva DG, Goncalves R, Santos RAS, Da Silva RF, Gavrilescu CM, Paraschiv CM, Manea P, Strat LC, Gomez JMG, Merino D, Hurle MA, Nistal JF, Aires A, Cortajarena AL, Villar AV, Abramowitz J, Birnbaumer L, Gourine AV, Tinker A, Takamura M, Takashima S, Inoue O, Misu H, Takamura T, Kaneko S, Alieva TOHIRA, Mougenot N, Dufilho M, Hatem S, Siegbahn A, Kostina AS, Uspensky VE, Moiseeva OM, Kostareva AA, Malashicheva AB, Van Dijk CGM, Chrifi I, Verhaar MC, Duncker DJ, Cheng C, Sturza A, Petrus A, Duicu O, Kiss L, Danila M, Baczko I, Jost N, Gotzhein F, Schon J, Schwarzl M, Hinrichs S, Blankenberg S, Volker U, Hammer E, Westermann D, Martinez-Martinez E, Arrieta V, Fernandez-Celis A, Jimenez-Alfaro L, Melero A, Alvarez-Asiain V, Cachofeiro V, Lopez-Andres N, Tribulova N, Wallukat G, Knezl V, Radosinska J, Barancik M, Tsinlikov I, Tsinlikova I, Nicoloff G, Blazhev A, Pesevski Z, Kvasilova A, Stopkova T, Eckhardt A, Buffinton CM, Nanka O, Kercheva M, Suslova T, Gusakova A, Ryabova T, Markov V, Karpov R, Seemann H, Alcantara TC, Santuchi MDEC, Fonseca SG, Da Silva RF, Barallobre-Barreiro J, Oklu R, Fava M, Baig F, Yin X, Albadawi H, Jahangiri M, Stoughton J, Mayr M, Podliesna SP, Veerman CCV, Verkerk AOV, Klerk MK, Lodder EML, Mengarelli IM, Bezzina CRB, Remme CAR, Takacs H, Polyak A, Morvay N, Lepran I, Tiszlavicz L, Nagy N, Ordog B, Farkas A, Forster T, Varro A, Farkas AS, Jayaprakash P, Parekh K, Ferdous Z, Oz M, Dobrzynski H, Adrian TE, Landi S, Bonzanni M, D'souza A, Boyett M, Bucchi A, Baruscotti M, Difrancesco D, Barbuti A, Kui P, Takacs H, Oravecz K, Hezso T, Polyak A, Levijoki J, Pollesello P, Koskelainen T, Otsomaa L, Farkas AS, Papp JGY, Varro A, Toth A, Acsai K, Dini L, Mazzoni L, Sartiani L, Cerbai E, Mugelli A, Svatunkova J, Sedmera D, Deffge C, Baer C, Weinert S, Braun-Dullaeus RC, Herold J, Cassar AC, Zahra GZ, Pllaha EP, Dingli PD, Montefort SM, Xuereb RGX, Aschacher T, Messner B, Eichmair E, Mohl W, Reglin B, Rong W, Nitzsche B, Maibier M, Guimaraes P, Ruggeri A, Secomb TW, Pries AR, Baranowska-Kuczko M, Karpinska O, Kusaczuk M, Malinowska B, Kozlowska H, Demikhova N, Vynnychenko L, Prykhodko O, Grechanyk N, Kuryata A, Cottrill KA, Du L, Bjorck HM, Maleki S, Franco-Cereceda A, Chan SY, Eriksson P, Giebe S, Cockcroft N, Hewitt K, Brux M, Brunssen C, Tarasov AA, Davidov SI, Reznikova EA, Tapia Abellan A, Angosto Bazarra D, Pelegrin Vivancos P, Montoro Garcia S, Kastl SP, Pongratz T, Goliasch G, Gaspar L, Maurer G, Huber K, Dostal E, Pfaffenberger S, Oravec S, Wojta J, Speidl WS, Osipova I, Sopotova I, Eligini S, Cosentino N, Marenzi G, Tremoli E, Rami M, Ring L, Steffens S, Gur O, Gurkan S, Mangold A, Scherz T, Panzenboeck A, Staier N, Heidari H, Mueller J, Lang IM, Osipova I, Sopotova I, Gatsiou A, Stamatelopoulos K, Perisic L, John D, Lunella FF, Eriksson P, Hedin U, Zeiher A, Dimmeler S, Nunez L, Moure R, Marron-Linares G, Flores X, Aldama G, Salgado J, Calvino R, Tomas M, Bou G, Vazquez N, Hermida-Prieto M, Vazquez-Rodriguez JM, Amit U, Landa N, Kain D, Tyomkin D, David A, Leor J, Hohensinner PJ, Baumgartner J, Krychtiuk KA, Maurer G, Huber K, Baik N, Miles LA, Wojta J, Seeman H, Montecucco F, Da Silva AR, Costa-Fraga FP, Anguenot L, Mach FP, Santos RAS, Stergiopulos N, Da Silva RF, Kupreishvili K, Vonk ABA, Smulders YM, Van Hinsbergh VWM, Stooker W, Niessen HWM, Krijnen PAJ, Ashmawy MM, Salama MA, Elamrosy MZ, Juettner R, Rathjen FG, Bito V, Crocini C, Ferrantini C, Gabbrielli T, Silvestri L, Coppini R, Tesi C, Cerbai E, Poggesi C, Pavone FS, Sacconi L, Mackova K, Zahradnik I, Zahradnikova A, Diaz I, Sanchez De Rojas De Pedro E, Hmadcha K, Calderon Sanchez E, Benitah JP, Gomez AM, Smani T, Ordonez A, Afanasiev SA, Egorova MV, Popov SV, Wu Qing P, Cheng X, Carnicka S, Pancza D, Jasova M, Kancirova I, Ferko M, Ravingerova T, Wu S, Schneider M, Marggraf V, Verfuerth L, Frede S, Boehm O, Dewald O, Baumgarten G, Kim SC, Farkasova V, Gablovsky I, Bernatova I, Ravingerova T, Nosar V, Portnychenko A, Drevytska T, Mankovska I, Gogvadze V, Sejersen T, Kostareva A, Sturza A, Wolf A, Privistirescu A, Danila M, Muntean D, O ' Gara P, Sanchez-Alonso JL, Harding SE, Lyon AR, Prando V, Pianca N, Lo Verso F, Milan G, Pesce P, Sandri M, Mongillo M, Beffagna G, Poloni G, Dazzo E, Sabatelli P, Doliana R, Polishchuk R, Carnevale D, Lembo G, Bonaldo P, Braghetta P, Rampazzo A, Cairo M, Giralt M, Villarroya F, Planavila A, Biesbroek PS, Emmens RWE, Juffermans LJM, Van Der Wall AC, Van Rossum AC, Niessen JWM, Krijnen PAJ, Moor Morris T, Dilanian G, Farahmand P, Puceat M, Hatem S, Gambino G, Petraglia L, Elia A, Komici K, Femminella GD, D'amico ML, Pagano G, Cannavo A, Liccardo D, Koch WJ, Nolano M, Leosco D, Ferrara N, Rengo G, Amit U, Landa N, Kain D, Leor J, Neary R, Shiels L, Watson C, Baugh J, Palacios B, Escobar B, Alonso AV, Guzman G, Ruiz-Cabello J, Jimenez-Borreguero LJ, Martin-Puig S, Lakomkin VL, Lukoshkova EV, Abramov AA, Gramovich VV, Vyborov ON, Ermishkin VV, Undrovinas NA, Shirinsky VP, Smilde BJ, Woudstra L, Fong Hing G, Wouters D, Zeerleder S, Murk JL, Van Ham SM, Heymans S, Juffermans LJM, Van Rossum AC, Niessen JWM, Krijnen PAJ, Krakhmalova O, Van Groen D, Bogaards SJP, Schalij I, Portnichenko GV, Tumanovska LV, Goshovska YV, Lapikova-Bryhinska TU, Nagibin VS, Dosenko VE, Mendes-Ferreira P, Maia-Rocha C, Santos-Ribeiro D, Potus F, Breuils-Bonnet S, Provencher S, Bonnet S, Rademaker M, Leite-Moreira AF, Bras-Silva C, Lopes J, Kuryata O, Lusynets T, Alikulov I, Nourddine M, Azzouzi L, Habbal R, Tserendavaa SUMIYA, Enkhtaivan ODKHUU, Enkhtaivan ODKHUU, Shagdar ZORIGO, Shagdar ZORIGO, Malchinkhuu MUNKHZ, Malchinkhuu MUNLHZ, Koval S, Starchenko T, Mourino-Alvarez L, Gonzalez-Calero L, Sastre-Oliva T, Lopez JA, Vazquez J, Alvarez-Llamas G, Ruilope LUISM, De La Cuesta F, Barderas MG, Bozzini S, D'angelo A, Pelissero G. Poster session 3Cell growth, differentiation and stem cells - Heart511The role of the endocannabinoid system in modelling muscular dystrophy cardiac disease with induced pluripotent stem cells.512An emerging role of T lymphocytes in cardiac regenerative processes in heart failure due to dilated cardiomyopathy513Canonical wnt signaling reverses the ‘aged/senescent’ human endogenous cardiac stem cell phenotype514Hippo signalling modulates survival of human induced pluripotent stem cell-derived cardiomyocytes515Biocompatibility of mesenchymal stem cells with a spider silk matrix and its potential use as scaffold for cardiac tissue regeneration516A snapshot of genome-wide transcription in human induced pluripotent stem cell-derived hepatocyte-like cells (iPSC-HLCs)517Can NOS/sGC/cGK1 pathway trigger the differentiation and maturation of mouse embryonic stem cells (ESCs)?518Introduction of external Ik1 to human-induced pluripotent stem cell-derived cardiomyocytes via Ik1-expressing HEK293519Cell therapy of the heart studied using adult myocardial slices in vitro520Enhancement of the paracrine potential of human adipose derived stem cells when cultured as spheroid bodies521Mechanosensitivity of cardiomyocyte progenitor cells: the strain response in 2D and 3D environments522The effect of the vascular-like network on the maturation of the human induced pluripotent stem cell derived cardiomyocytes.Transcriptional control and RNA species - Heart525Gene expression regulation in heart failure: from pathobiology to bioinformatics526Human transcriptome in idiopathic dilated cardiomyopathy - a novel high throughput screening527A high-throghput approach unveils putative miRNA-mediated mitochondria-targeted cardioprotective circuits activated by T3 in the post ischemia reperfusion setting528The effect of uraemia on the expression of miR-212/132 and the calcineurin pathway in the rat heartCytokines and cellular inflammation - Heart531Lack of growth differentiation factor 15 aggravates adverse cardiac remodeling upon pressure-overload in mice532Blocking heteromerization of platelet chemokines ccl5 and cxcl4 reduces inflammation and preserves heart function after myocardial infarction533Is there an association between low-dose aspirin use and clinical outcome in HFPEF? Implications of modulating monocyte function and inflammatory mediator release534N-terminal truncated intracellular matrix metalloproteinase-2 expression in diabetic heart.535Expression of CD39 and CD73 on peripheral T-cell subsets in calcific aortic stenosis536Mast cells in the atrial myocardium of patients with atrial fibrillation: a comparison with patients in sinus rhythm539Characteristics of the inflammatory response in patients with coronary artery disease and arterial hypertension540Pro-inflammatory cytokines as cardiovascular events predictors in rheumatoid arthritis and asymptomatic atherosclerosis541Characterization of FVB/N murinic bone marrow-derived macrophage polarization into M1 and M2 phenotypes542The biological expression and thoracic anterior pain syndromeSignal transduction - Heart545The association of heat shock protein 90 and TGFbeta receptor I is involved in collagen production during cardiac remodelling in aortic-banded mice546Loss of the inhibitory GalphaO protein in the rostral ventrolateral medulla of the brainstem leads to abnormalities in cardiovascular reflexes and altered ventricular excitablitiy547Selenoprotein P regulates pressure overload-induced cardiac remodeling548Study of adenylyl cyclase activity in erythrocyte membranes in patients with chronic heart failure549Direct thrombin inhibitors inhibit atrial myocardium hypertrophy in a rat model of heart failure and atrial remodeling550Tissue factor / FVIIa transactivates the IGF-1R by a Src-dependent phosphorylation of caveolin-1551Notch signaling is differently altered in endothelial and smooth muscle cells of ascending aortic aneurysm patients552Frizzled 5 expression is essential for endothelial proliferation and migration553Modulation of vascular function and ROS production by novel synthetic benzopyran analogues in diabetes mellitusExtracellular matrix and fibrosis - Heart556Cardiac fibroblasts as inflammatory supporter cells trigger cardiac inflammation in heart failure557A role for galectin-3 in calcific aortic valve stenosis558Omega-3 polyunsaturated fatty acids- can they decrease risk for ventricular fibrillation?559Serum levels of elastin derived peptides and circulating elastin-antielastin immune complexes in sera of patients with coronary artery disease560Endocardial fibroelastosis is secondary to hemodynamic alterations in the chick model of hypoplastic left heart syndrome561Dynamics of serum levels of matrix metalloproteinases in primary anterior STEMI patients564Deletion of the alpha-7 nicotinic acetylcholine receptor changes the vascular remodeling induced by transverse aortic constriction in mice.565Extracellular matrix remodelling in response to venous hypertension: proteomics of human varicose veinsIon channels, ion exchangers and cellular electrophysiology - Heart568Microtubule-associated protein RP/EB family member 1 modulates sodium channel trafficking and cardiac conduction569Investigation of electrophysiological abnormalities in a rabbit athlete's heart model570Upregulation of expression of multiple genes in the atrioventricular node of streptozotocin-induced diabetic rat571miR-1 as a regulator of sinoatrial rhythm in endurance training adaptation572Selective sodium-calcium exchanger inhibition reduces myocardial dysfunction associated with hypokalaemia and ventricular fibrillation573Effect of racemic and levo-methadone on action potential of human ventricular cardiomyocytes574Acute temperature effects on the chick embryonic heart functionVasculogenesis, angiogenesis and arteriogenesis577Clinical improvement and enhanced collateral vessel growth after monocyte transplantation in mice578The role of HIF-1 alpha, VEGF and obstructive sleep apnoea in the development of coronary collateral circulation579Initiating cardiac repair with a trans-coronary sinus catheter intervention in an ischemia/reperfusion porcine animal model580Early adaptation of pre-existing collaterals after acute arteriolar and venular microocclusion: an in vivo study in chick chorioallantoic membraneEndothelium583EDH-type responses to the activator of potassium KCa2.3 and KCa3.1 channels SKA-31 in the small mesenteric artery from spontaneously hypertensive rats584The peculiarities of endothelial dysfunction in patients with chronic renocardial syndrome585Endothelial dysfunction, atherosclerosis of the carotid arteries and level of leptin in patient with coronary heart disease in combination with hepatic steatosis depend from body mass index.586Role of non-coding RNAs in thoracic aortic aneurysm associated with bicuspid aortic valve587Cigarette smoke extract abrogates atheroprotective effects of high laminar flow on endothelial function588The prognostic value of anti-connective tissue antibodies in coronary heart disease and asymptomatic atherosclerosis589Novel potential properties of bioactive peptides from spanish dry-cured ham on the endothelium.Lipids592Intermediate density lipoprotein is associated with monocyte subset distribution in patients with stable atherosclerosis593The characteristics of dyslipidemia in rheumatoid arthritisAtherosclerosis596Macrophages differentiated in vitro are heterogeneous: morphological and functional profile in patients with coronary artery disease597Palmitoylethanolamide promotes anti-inflammatory phenotype of macrophages and attenuates plaque formation in ApoE-/- mice598Amiodarone versus esmolol in the perioperative period: an in vitro study of coronary artery bypass grafts599BMPRII signaling of fibrocytes, a mesenchymal progenitor cell population, is increased in STEMI and dyslipidemia600The characteristics of atherogenesis and systemic inflammation in rheumatoid arthritis601Role of adenosine-to-inosine RNA editing in human atherosclerosis602Presence of bacterial DNA in thrombus aspirates of patients with myocardial infarction603Novel E-selectin binding polymers reduce atherosclerotic lesions in ApoE(-/-) mice604Differential expression of the plasminogen receptor Plg-RKT in monocyte and macrophage subsets - possible functional consequences in atherogenesis605Apelin-13 treatment enhances the stability of atherosclerotic plaques606Mast cells are increased in the media of coronary lesions in patients with myocardial infarction and favor atherosclerotic plaque instability607Association of neutrophil to lymphocyte ratio with presence of isolated coronary artery ectasiaCalcium fluxes and excitation-contraction coupling610The coxsackie- and adenovirus receptor (CAR) regulates calcium homeostasis in the developing heart611HMW-AGEs application acutely reduces ICaL in adult cardiomyocytes612Measuring electrical conductibility of cardiac T-tubular systems613Postnatal development of cardiac excitation-contraction coupling in rats614Role of altered Ca2+ homeostasis during adverse cardiac remodeling after ischemia/reperfusion615Experimental study of sarcoplasmic reticulum dysfunction and energetic metabolism in failing myocardium associated with diabetes mellitusHibernation, stunning and preconditioning618Volatile anesthetic preconditioning attenuates ischemic-reperfusion injury in type II diabetic patients undergoing on-pump heart surgery619The effect of early and delayed phase of remote ischemic preconditioning on ischemia-reperfusion injury in the isolated hearts of healthy and diabetic rats620Post-conditioning with 1668-thioate leads to attenuation of the inflammatory response and remodeling with less fibrosis and better left ventricular function in a murine model of myocardial infarction621Maturation-related changes in response to ischemia-reperfusion injury and in effects of classical ischemic preconditioning and remote preconditioningMitochondria and energetics624Phase changes in myocardial mitochondrial respiration caused by hypoxic preconditioning or periodic hypoxic training625Desmin mutations depress mitochondrial metabolism626Methylene blue modulates mitochondrial function and monoamine oxidases-related ROS production in diabetic rat hearts627Doxorubicin modulates the real-time oxygen consumption rate of freshly isolated adult rat and human ventricular cardiomyocytesCardiomyopathies and fibrosis630Effects of genetic or pharmacologic inhibition of the ubiquitin/proteasome system on myocardial proteostasis and cardiac function631Suppression of Wnt signalling in a desmoglein-2 transgenic mouse model for arrhythmogenic cardiomyopathy632Cold-induced cardiac hypertrophy is reversed after thermo-neutral deacclimatization633CD45 is a sensitive marker to diagnose lymphocytic myocarditis in endomyocardial biopsies of living patients and in autopsies634Atrial epicardial adipose tissue derives from epicardial progenitors635Caloric restriction ameliorates cardiac function, sympathetic cardiac innervation and beta-adrenergic receptor signaling in an experimental model of post-ischemic heart failure636High fat diet improves cardiac remodelling and function after extensive myocardial infarction in mice637Epigenetic therapy reduces cardiac hypertrophy in murine models of heart failure638Imbalance of the VHL/HIF signaling in WT1+ Epicardial Progenitors results in coronary vascular defects, fibrosis and cardiac hypertrophy639Diastolic dysfunction is the first stage of the developing heart failure640Colchicine aggravates coxsackievirus B3 infection in miceArterial and pulmonary hypertension642Osteopontin as a marker of pulmonary hypertension in patients with coronary heart disease combined with chronic obstructive pulmonary disease643Myocardial dynamic stiffness is increased in experimental pulmonary hypertension partly due to incomplete relaxation644Hypotensive effect of quercetin is possibly mediated by down-regulation of immunotroteasome subunits in aorta of spontaneously hypertensive rats645Urocortin-2 improves right ventricular function and attenuates experimental pulmonary arterial hypertension646A preclinical evaluation of the anti-hypertensive properties of an aqueous extract of Agathosma (Buchu)Biomarkers648The adiponectin level in hypertensive females with rheumatoid arthritis and its relationship with subclinical atherosclerosis649Markers for identification of renal dysfunction in the patients with chronic heart failure650cardio-hepatic syndromes in chronic heart failure: North Africa profile651To study other biomarkers that assess during myocardial infarction652Interconnections of apelin levels with parameters of lipid metabolism in hypertension patients653Plasma proteomics in hypertension: prediction and follow-up of albuminuria during chronic renin-angiotensin system suppression654Soluble RAGE levels in plasma of patients with cerebrovascular events. Cardiovasc Res 2016. [DOI: 10.1093/cvr/cvw150] [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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Abstract
Objectives This study was conducted to evaluate the cytokine-release kinetics of platelet-rich plasma (PRP) according to different activation protocols. Methods Two manual preparation procedures (single-spin (SS) at 900 g for five minutes; double-spin (DS) at 900 g for five minutes and then 1500 g for 15 minutes) were performed for each of 14 healthy subjects. Both preparations were tested for platelet activation by one of three activation protocols: no activation, activation with calcium (Ca) only, or calcium with a low dose (50 IU per 1 ml PRP) of thrombin. Each preparation was divided into four aliquots and incubated for one hour, 24 hours, 72 hours, and seven days. The cytokine-release kinetics were evaluated by assessing PDGF, TGF, VEGF, FGF, IL-1, and MMP-9 concentrations with bead-based sandwich immunoassay. Results The concentration of cytokine released from PRP varied over time and was influenced by various activation protocols. Ca-only activation had a significant effect on the DS PRPs (where the VEGF, FGF, and IL-1 concentrations were sustained) while Ca/thrombin activation had effects on both SS and DS PRPs (where the PDGF and VEGF concentrations were sustained and the TGF and FGF concentrations were short). The IL-1 content showed a significant increase with Ca-only or Ca/thrombin activation while these activations did not increase the MMP-9 concentration. Conclusion The SS and DS methods differed in their effect on cytokine release, and this effect varied among the cytokines analysed. In addition, low dose of thrombin/calcium activation increased the overall cytokine release of the PRP preparations over seven days, relative to that with a calcium-only supplement or non-activation. Cite this article: Professor J. H. Oh. Cytokine-release kinetics of platelet-rich plasma according to various activation protocols. Bone Joint Res 2016;5:37–45. DOI: 10.1302/2046-3758.52.2000540
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Affiliation(s)
- Y H Roh
- Department of Orthopaedic Surgery, Gil Medical Center, Gachon University School of Medicine, Incheon, Korea
| | - W Kim
- Department of Orthopaedic Surgery, Gil Medical Center, Gachon University School of Medicine, Incheon, Korea
| | - K U Park
- Department of Orthopaedic Surgery, Gil Medical Center, Gachon University School of Medicine, Incheon, Korea
| | - J H Oh
- Department of Orthopaedic Surgery, Gil Medical Center, Gachon University School of Medicine, Incheon, Korea
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Oh JH, Song BW, Kim SH, Choi JA, Lee JW, Chung SW, Rhie TY. The measurement of bone mineral density of bilateral proximal humeri using DXA in patients with unilateral rotator cuff tear. Osteoporos Int 2014; 25:2639-48. [PMID: 25027108 DOI: 10.1007/s00198-014-2795-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [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: 11/20/2013] [Accepted: 06/24/2014] [Indexed: 02/03/2023]
Abstract
UNLABELLED We propose that the measurement of the bone mineral density (BMD) of the proximal humerus be standardized using the dual energy X-ray absorptiometry (DXA) in patients supposed to undergo rotator cuff repair surgery as well as those with the fracture of the proximal humerus as the BMD of the proximal humerus is decreased in these patients. INTRODUCTION We propose that the measurement of the BMD of the proximal humerus be standardized using the DXA in patients who are supposed to undergo rotator cuff repair surgery as well as those with the fracture of the proximal humerus. METHODS We conducted the prospective study in 213 patients with unilateral rotator cuff tear but without contralateral shoulder pain or disease. In these patients, we preoperatively measured the BMD of the bilateral proximal humeri with a repeat measurement in 20 patients. We predefined three regions of interest (ROIs) in the proximal humerus with the consideration of the rotator cuff repair surgery as well as proximal humeral fractures. RESULTS The measurement of the BMD of the proximal humerus using the DXA showed excellent reliability (intraclass correlation coefficient > .90). BMD values of all three ROIs in the affected shoulder were significantly lower than those in asymptomatic shoulder (all p < 0.05). In female patients, the BMD values of ROIs in bilateral shoulder were significantly lower than those in male patients (all p < 0.001). In multiple regressions, however, there were no significant correlations between other clinical characteristics, except for the gender, and the BMD of GT in the affected shoulder. CONCLUSIONS It is imperative that the bone quality of the proximal humerus be accurately evaluated prior to surgery in patients who are supposed to undergo rotator cuff repair using suture anchors as well as in those with proximal humeral fractures. This is because the BMD of the proximal humerus is decreased in these patients.
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Affiliation(s)
- J H Oh
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
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Oh JH, Yoon S, Choi Y. The Effect of Superheated Steam Cooking Condition on Physico-Chemical and Sensory Characteristics of Chicken Breast Fillets. ACTA ACUST UNITED AC 2014. [DOI: 10.9724/kfcs.2014.30.3.317] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Jung M, Park SJ, Kim HS, Kim JB, Kim KS, Kwon SH, Oh JH, Kim WS. Recurrent syncope associated with idiopathic jugular vein stenosis. Report of a young female patient. Herz 2014; 40:722-4. [PMID: 24938218 DOI: 10.1007/s00059-014-4074-5] [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] [Received: 09/08/2013] [Revised: 11/15/2013] [Accepted: 02/04/2014] [Indexed: 10/25/2022]
Affiliation(s)
- M Jung
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University School of Medicine, 23, Kyung Hee University-ro, Dongdaemoon-gu, 130-872, Seoul, Republic of Korea
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Thor M, Saleh Z, Oh JH, Apte A, Muren L, Deasy J. SU-E-J-62: Estimating Plausible Treatment Course Dose Distributions by Accounting for Registration Uncertainty and Organ Motion. Med Phys 2014. [DOI: 10.1118/1.4888114] [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: 11/07/2022] Open
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Jeong J, Oh JH, Rao S, O DJ. WE-G-BRD-05: Is “New Radiobiology” Needed to Account for the Anti-Tumor Efficacy of Hypofractionated Lung SBRT? Med Phys 2014. [DOI: 10.1118/1.4889489] [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: 11/07/2022] Open
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Oh JH, Lee KJ, Lee HW, Shin M. Effects of Rashba and Dresselhaus spin-orbit interactions on the ground state of two-dimensional localized spins. J Phys Condens Matter 2014; 26:196005. [PMID: 24762988 DOI: 10.1088/0953-8984/26/19/196005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Starting with the indirect exchange model influenced by the Rashba and the Dresselhaus spin-orbit interactions, we derive the Dzyaloshinskii-Moriya interaction of localized spins. The strength of the Dzyaloshinskii-Moriya interaction is compared with that of the Heisenberg exchange term as a function of atomic distance. Using the calculated interaction strengths, we discuss the formation of various atomic ground states as a function of temperature and external magnetic field. By plotting the magnetic field-temperature phase diagram, we present approximate phase boundaries between the spiral, Skyrmion and ferromagnetic states of the two-dimensional weak ferromagnetic system.
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Affiliation(s)
- J H Oh
- Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea
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Choi ML, Begeti F, Oh JH, Lee SY, O'Keeffe GC, Clelland CD, Tyers P, Cho ZH, Kim YB, Barker RA. Dopaminergic manipulations and its effects on neurogenesis and motor function in a transgenic mouse model of Huntington's disease. Neurobiol Dis 2014; 66:19-27. [PMID: 24561069 DOI: 10.1016/j.nbd.2014.02.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Revised: 01/29/2014] [Accepted: 02/10/2014] [Indexed: 11/28/2022] Open
Abstract
Huntington's disease (HD) is an inherited neurodegenerative disorder that is classically defined by a triad of movement and cognitive and psychiatric abnormalities with a well-established pathology that affects the dopaminergic systems of the brain. This has classically been described in terms of an early loss of dopamine D2 receptors (D2R), although interestingly the treatments most effectively used to treat patients with HD block these same receptors. We therefore sought to examine the dopaminergic system in HD not only in terms of striatal function but also at extrastriatal sites especially the hippocampus, given that transgenic (Tg) mice also exhibit deficits in hippocampal-dependent cognitive tests and a reduction in adult hippocampal neurogenesis. We showed that there was an early reduction of D2R in both the striatum and dentate gyrus (DG) of the hippocampus in the R6/1 transgenic HD mouse ahead of any overt motor signs and before striatal neuronal loss. Despite downregulation of D2Rs in these sites, further reduction of the dopaminergic input to these sites by either medial forebrain bundle lesions or receptor blockade using sulpiride was able to improve both deficits in motor performance and adult hippocampal neurogenesis. In contrast, a reduction in dopaminergic innervation of the neurogenic niches resulted in impaired neurogenesis in healthy WT mice. This study therefore provides evidence that D2R blockade improves hippocampal and striatal deficits in HD mice although the underlying mechanism for this is unclear, and suggests that agents working within this network may have greater effects than previously thought.
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Affiliation(s)
- M L Choi
- Department of Clinical Neurosciences, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge CB2 0PY, UK
| | - F Begeti
- Department of Clinical Neurosciences, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge CB2 0PY, UK; School of Clinical Medicine, University of Cambridge, Addenbrooke's Hospital, Cambridge CB2 0SP, UK
| | - J H Oh
- Neuroscience Research Institute, Gachon University, Incheon 405-760, Republic of Korea
| | - S Y Lee
- Neuroscience Research Institute, Gachon University, Incheon 405-760, Republic of Korea
| | - G C O'Keeffe
- Department of Clinical Neurosciences, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge CB2 0PY, UK
| | - C D Clelland
- Department of Clinical Neurosciences, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge CB2 0PY, UK
| | - P Tyers
- Department of Clinical Neurosciences, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge CB2 0PY, UK
| | - Z H Cho
- Department of Clinical Neurosciences, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge CB2 0PY, UK
| | - Y B Kim
- Department of Clinical Neurosciences, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge CB2 0PY, UK
| | - R A Barker
- Department of Clinical Neurosciences, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge CB2 0PY, UK; Department of Neurology, Addenbrooke's Hospital, Cambridge CB2 0QQ, UK.
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Park SJ, Cho YJ, Oh JH, Hwang JW, Do SH, Na HS. Pretreatment of magnesium sulphate improves intubating conditions of rapid sequence tracheal intubation using alfentanil, propofol, and rocuronium - a randomized trial. Korean J Anesthesiol 2013; 65:221-7. [PMID: 24101956 PMCID: PMC3790033 DOI: 10.4097/kjae.2013.65.3.221] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2012] [Revised: 04/04/2013] [Accepted: 04/04/2013] [Indexed: 12/19/2022] Open
Abstract
Background We investigated the effects of a magnesium sulfate pretreatment on intubating conditions and cardiovascular responses during rapid sequence tracheal intubation (RSI) in this double-blind randomized study. Methods Adult patients (n = 154) were randomly allocated to a rocuronium-0.6, rocuronium-0.9, or magnesium group. The magnesium group was pretreated with 50 mg/kg MgSO4, and the other two groups received the same volume of isotonic saline. Anesthesia was induced with alfentanil, propofol, and either 0.6 mg/kg (rocuronium-0.6 and magnesium groups) or 0.9 mg/kg (rocuronium-0.9 group) rocuronium. An anesthesiologist, blinded to the group assignments, performed RSI and assessed the intubating conditions. Systolic arterial pressure (SAP) and heart rate (HR) were recorded before the magnesium sulfate or normal saline was administered, before anesthesia induction, before intubation, and every minute after intubation for 5 min. Results Airway features were similar among the three groups. The intubating conditions were improved significantly in the magnesium group (P < 0.001) compared with the other two groups. Significant increases in SAP at 1 min after intubation were observed in the rocuronium-0.6 and -0.9 groups when compared with the magnesium group (P < 0.05). HR was comparable among the three groups (P > 0.05). No hypertensive episode occurred during the immediate post-intubation period in the magnesium group (P = 0.001), and tachycardia occurred most frequently in the rocuronium-0.6 group (P < 0.05). Conclusions MgSO4 administered prior to RSI using alfentanil, propofol, and rocuronium may improve intubating conditions and prevent post-intubation hypertension.
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Affiliation(s)
- Seong-Joo Park
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
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Lee NJ, Oh JH, Ban JO, Shim JH, Lee HP, Jung JK, Ahn BW, Yoon DY, Han SB, Ham YW, Hong JT. 4-O-methylhonokiol, a PPARγ agonist, inhibits prostate tumour growth: p21-mediated suppression of NF-κB activity. Br J Pharmacol 2013; 168:1133-45. [PMID: 23043610 DOI: 10.1111/j.1476-5381.2012.02235.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Revised: 08/22/2012] [Accepted: 09/05/2012] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND AND PURPOSE The effects of 4-O-methylhonokiol (MH), a constituent of Magnolia officinalis, were investigated on human prostate cancer cells and its mechanism of action elucidated. EXPERIMENTAL APPROACH The anti-cancer effects of MH were examined in prostate cancer and normal cells. The effects were validated in vivo using a mouse xenograft model. KEY RESULTS MH increased the expression of PPARγ in prostate PC-3 and LNCap cells. The pull-down assay and molecular docking study indicated that MH directly binds to PPARγ. MH also increased transcriptional activity of PPARγ but decreased NF-κB activity. MH inhibited the growth of human prostate cancer cells, an effect attenuated by the PPARγ antagonist GW9662. MH induced apoptotic cell death and this was related to G(0) -G(1) phase cell cycle arrest. MH increased the expression of the cell cycle regulator p21, and apoptotic proteins, whereas it decreased phosphorylation of Rb and anti-apoptotic proteins. Transfection of PC3 cells with p21 siRNA or a p21 mutant plasmid on the cyclin D1/ cycline-dependent kinase 4 binding site abolished the effects of MH on cell growth, cell viability and related protein expression. In the animal studies, MH inhibited tumour growth, NF-κB activity and expression of anti-apoptotic proteins, whereas it increased the transcriptional activity and expression of PPARγ, and the expression of apoptotic proteins and p21 in tumour tissues. CONCLUSIONS AND IMPLICATION MH inhibits growth of human prostate cancer cells through activation of PPARγ, suppression of NF-κB and arrest of the cell cycle. Thus, MH might be a useful tool for treatment of prostate cancer.
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Affiliation(s)
- N J Lee
- College of Pharmacy, Chungbuk National University, Chungbuk, South Korea
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Yun HM, Oh JH, Shim JH, Ban JO, Park KR, Kim JH, Lee DH, Kang JW, Park YH, Yu D, Kim Y, Han SB, Yoon DY, Hong JT. Antitumor activity of IL-32β through the activation of lymphocytes, and the inactivation of NF-κB and STAT3 signals. Cell Death Dis 2013; 4:e640. [PMID: 23703385 PMCID: PMC3674373 DOI: 10.1038/cddis.2013.166] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [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] [Indexed: 02/07/2023]
Abstract
Cytokine and activation of lymphocytes are critical for tumor growth. We investigated whether interleukin (IL)-32β overexpression changes other cytokine levels and activates cytotoxic lymphocyte, and thus modify tumor growth. Herein, IL-32β inhibited B16 melanoma growth in IL-32β-overexpressing transgenic mice (IL-32β mice), and downregulated the expressions of anti-apoptotic proteins (bcl-2, IAP, and XIAP) and cell growth regulatory proteins (Ki-67 antigen (Ki-67) and proliferating cell nuclear antigen (PCNA)), but upregulated the expressions of pro-apoptotic proteins (bax, cleaved caspase-3, and cleaved caspase-9). IL-32β also inhibited colon and prostate tumor growth in athymic nude mice inoculated with IL-32β-transfected SW620 colon or PC3 prostate cancer cells. The forced expression of IL-32β also inhibited cell growth in cultured colon and prostate cancer cells, and these inhibitory effects were abolished by IL-32 small interfering RNA (siRNA). IL-10 levels were elevated, but IL-1β, IL-6, and tumor necrosis factor-alpha (TNF-α) levels were reduced in the tumor tissues and spleens of IL-32β mice, and athymic nude mice. The number of cytotoxic T (CD8(+)) and natural killer (NK) cells in tumor tissues, spleen, and blood was significantly elevated in IL-32β mice and athymic nude mice inoculated with IL-32β-transfected cancer cells. Constituted activated NF-κB and STAT3 levels were reduced in the tumor tissues of IL-32β mice and athymic nude mice, as well as in IL-32β-transfected cultured cancer cells. These findings suggest that IL-32β inhibits tumor growth by increasing cytotoxic lymphocyte numbers, and by inactivating the NF-κB and STAT3 pathways through changing of cytokine levels in tumor tissues.
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Affiliation(s)
- H-M Yun
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, Republic of Korea
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Han KS, Lim SW, Sohn DK, Chang HJ, Oh JH, Lee JH, Kim HR, Kim YJ. Clinicopathological characteristics of T1 colorectal cancer without background adenoma. Colorectal Dis 2013; 15:e124-9. [PMID: 23294594 DOI: 10.1111/codi.12102] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [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] [Received: 08/17/2012] [Accepted: 10/14/2012] [Indexed: 02/08/2023]
Abstract
AIM Background adenoma (BGA) is defined as benign adenomatous tissue contiguous to resected carcinomas, and the absence of BGA in a tumour is considered a histological criterion of de novo cancers. The present study aimed to identify the clinicopathological characteristics of T1 colorectal cancer (CRC) without BGA. METHOD A retrospective review was carried out of prospectively collected data from two centres: the National Cancer Center, Korea; and Chonnam National University Hwasun Hospital, Korea. A total of 590 patients with T1 CRC, treated by endoscopic or surgical resection between January 2001 and August 2011, were enrolled. Details regarding gender, age, tumour location, endoscopic gross type, tumour size, depth of submucosal (SM) invasion, angiolymphatic invasion, tumour grade, budding and lymph node (LN) metastasis were evaluated with regard to the presence or absence of BGA. RESULTS BGA was absent in 197 (33.4%) patients. Tumour size <20 mm, flat or depressed type, deep SM depth and tumour budding were associated with the absence of BGA in univariate and multivariate analyses (P < 0.05). In surgically resected patients, LN metastases were significantly associated with the absence of BGA (P = 0.022). CONCLUSION T1 CRC without BGA presented several characteristics of small size (<20 mm), flat or depressed type, deep SM depth (SM 2/3), LN metastasis and tumour budding. These results indicate that de novo cancers may have a more invasive potential.
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Affiliation(s)
- K S Han
- Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
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50
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Abstract
We evaluated the oncological and functional outcome of 18 patients, whose malignant bone tumours were excised with the assistance of navigation, and who were followed up for more than three years. There were 11 men and seven women, with a mean age of 31.8 years (10 to 57). There were ten operations on the pelvic ring and eight joint-preserving limb salvage procedures. The resection margins were free of tumour in all specimens. The tumours, which were stage IIB in all patients, included osteosarcoma, high-grade chondrosarcoma, Ewing's sarcoma, malignant fibrous histiocytoma of bone, and adamantinoma. The overall three-year survival rate of the 18 patients was 88.9% (95% confidence interval (CI) 75.4 to 100). The three-year survival rate of the patients with pelvic malignancy was 80.0% (95% CI 55.3 to 100), and of the patients with metaphyseal malignancy was 100%. The event-free survival was 66.7% (95% CI 44.9 to 88.5). Local recurrence occurred in two patients, both of whom had a pelvic malignancy. The mean Musculoskeletal Tumor Society functional score was 26.9 points at a mean follow-up of 48.2 months (22 to 79). We suggest that navigation can be helpful during surgery for musculoskeletal tumours; it can maximise the accuracy of resection and minimise the unnecessary sacrifice of normal tissue by providing precise intra-operative three-dimensional radiological information.
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Affiliation(s)
- H S Cho
- Seoul National University College of Medicine, Department of Orthopedic Surgery, Seoul National University Bundang Hospital, 82 Gumi-Ro 173 Beon-Gil, Bundang-Gu, Seongnam-Si, Gyeonggi-Do, Korea
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