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Jung JW, Kim KH, Yun J, Nam HS, Heo JH, Baik M, Yoo J, Kim J, Park H, Sohn SI, Hong JH, Kim BM, Kim DJ, Heo J, Bang OY, Seo WK, Chung JW, Lee KY, Jung YH, Lee HS, Ahn SH, Shin DH, Choi HY, Cho HJ, Baek JH, Kim GS, Seo KD, Kim SH, Song TJ, Han SW, Park JH, Choi JK, Kim YD. Effectiveness of endovascular treatment for in-hospital stroke vs. community-onset stroke: a propensity score-matched analysis. J Neurol 2024; 271:2684-2693. [PMID: 38376545 DOI: 10.1007/s00415-024-12232-4] [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: 11/28/2023] [Revised: 01/27/2024] [Accepted: 01/27/2024] [Indexed: 02/21/2024]
Abstract
BACKGROUND The effectiveness of endovascular treatment for in-hospital stroke remains debatable. We aimed to compare the outcomes between patients with in-hospital stroke and community-onset stroke who received endovascular treatment. METHODS This prospective registry-based cohort study included consecutive patients who underwent endovascular treatment from January 2013 to December 2022 and were registered in the Selection Criteria in Endovascular Thrombectomy and Thrombolytic Therapy study and Yonsei Stroke Cohort. Functional outcomes at day 90, radiological outcomes, and safety outcomes were compared between the in-hospital and community-onset groups using logistic regression and propensity score-matched analysis. RESULTS Of 1,219 patients who underwent endovascular treatment, 117 (9.6%) had in-hospital stroke. Patients with in-hospital onset were more likely to have a pre-stroke disability and active cancer than those with community-onset. The interval from the last known well to puncture was shorter in the in-hospital group than in the community-onset group (155 vs. 355 min, p<0.001). No significant differences in successful recanalization or safety outcomes were observed between the groups; however, the in-hospital group exhibited worse functional outcomes and higher mortality at day 90 than the community-onset group (all p<0.05). After propensity score matching including baseline characteristics, functional outcomes after endovascular treatment did not differ between the groups (OR: 1.19, 95% CI 0.78-1.83, p=0.4). Safety outcomes did not significantly differ between the groups. CONCLUSION Endovascular treatment is a safe and effective treatment for eligible patients with in-hospital stroke. Our results will help physicians in making decisions when planning treatment and counseling caregivers or patients.
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Affiliation(s)
- Jae Wook Jung
- Department of Neurology, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Kwang Hyun Kim
- Department of Neurology, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Jaeseob Yun
- Department of Neurology, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Hyo Suk Nam
- Department of Neurology, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
- Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, South Korea
| | - Ji Hoe Heo
- Department of Neurology, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
- Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, South Korea
| | - Minyoul Baik
- Department of Neurology, Yonsei University College of Medicine, Yongin Severance Hospital, Yongin, South Korea
| | - Joonsang Yoo
- Department of Neurology, Yonsei University College of Medicine, Yongin Severance Hospital, Yongin, South Korea
| | - Jinkwon Kim
- Department of Neurology, Yonsei University College of Medicine, Yongin Severance Hospital, Yongin, South Korea
| | - Hyungjong Park
- Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, Daegu, South Korea
| | - Sung-Il Sohn
- Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, Daegu, South Korea
| | - Jeong-Ho Hong
- Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, Daegu, South Korea
| | - Byung Moon Kim
- Department of Radiology, Yonsei University College of Medicine, Seoul, South Korea
| | - Dong Joon Kim
- Department of Radiology, Yonsei University College of Medicine, Seoul, South Korea
| | - JoonNyung Heo
- Department of Radiology, Yonsei University College of Medicine, Seoul, South Korea
| | - Oh Young Bang
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Woo-Keun Seo
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Jong-Won Chung
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Kyung-Yul Lee
- Department of Neurology, Gangnam Severance Hospital, Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, South Korea
| | - Yo Han Jung
- Department of Neurology, Gangnam Severance Hospital, Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, South Korea
| | - Hye Sun Lee
- Department of Research Affairs, Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, South Korea
| | - Seong Hwan Ahn
- Department of Neurology, Chosun University School of Medicine, Gwangju, South Korea
| | - Dong Hoon Shin
- Department of Neurology, Gachon University Gil Medical Center, Incheon, South Korea
| | - Hye-Yeon Choi
- Department of Neurology, Kyung Hee University at Gangdong, Kyung Hee University College of Medicine, Seoul, South Korea
| | - Han-Jin Cho
- Department of Neurology, Pusan National University School of Medicine, Busan, South Korea
| | - Jang-Hyun Baek
- Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Gyu Sik Kim
- Department of Neurology, National Health Insurance Service Ilsan Hospital, Goyang, South Korea
| | - Kwon-Duk Seo
- Department of Neurology, National Health Insurance Service Ilsan Hospital, Goyang, South Korea
| | - Seo Hyun Kim
- Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, South Korea
| | - Tae-Jin Song
- Department of Neurology, College of Medicine, Seoul Hospital, Ewha Womans University, Seoul, South Korea
| | - Sang Won Han
- Department of Neurology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, South Korea
| | - Joong Hyun Park
- Department of Neurology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, South Korea
| | - Jin Kyo Choi
- Department of Neurology, Seoul Medical Center, Seoul, South Korea
| | - Young Dae Kim
- Department of Neurology, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea.
- Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, South Korea.
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2
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Hwang CS, Kang YK, Kim JY, Shin SH, Park JY, Song JS, Kim SY, Jung SJ, Lee JH, Na JY, Shin DH, Kim JY, Park SW, Lee HJ. Transcription Factor E3/Phosphatidylinositol 3-Kinase/Akt/Mammalian Target of Rapamycin Axis in Renal Cell Carcinoma Affects Tumor Microenvironment. Am J Pathol 2024:S0002-9440(24)00122-6. [PMID: 38588851 DOI: 10.1016/j.ajpath.2024.02.022] [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] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 02/12/2024] [Accepted: 02/21/2024] [Indexed: 04/10/2024]
Abstract
The role of the phosphatidylinositol 3-kinase (PI3K)/Akt pathway in renal cell carcinoma (RCC) progression, metastasis, and resistance to therapies has not been investigated thoroughly. Transcription factor E3 (TFE3) expression is related to a poorer prognosis and tumor microenvironment in patients with RCC. This study aimed to determine the relationship between TFE3 and the PI3K/Akt pathway. TFE3 down-regulation was achieved by transient transfection of siRNA and shRNA in UOK146 cells. TFE3 overexpression was induced by transient transfection with pcDNA3.1 encoding the constitutively active form of TFE3. The cells were treated with mammalian target of rapamycin and PI3K inhibitors. Western blot was performed to detect TFE3, programmed death-ligand 1, phospho-Akt, and Akt. Phospho-Akt expression increased significantly upon TFE3 down-regulation, and decreased significantly upon up-regulation. When RCC cells were treated with a PI3K inhibitor (LY294002), TFE3 expression increased and phospho-Akt expression decreased. TFE3 is related to the PI3K/Akt pathway in RCC, and the results of this study suggest that PI3K/Akt inhibitors potentially may aid in treatment of patients with RCC by affecting the tumor microenvironment.
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Affiliation(s)
- Chung Su Hwang
- Department of Pathology, School of Medicine, Pusan National University Yangsan Hospital, Pusan National University, Yangsan, Korea
| | - Yun Kyung Kang
- Department of Pathology, School of Medicine, Pusan National University Yangsan Hospital, Pusan National University, Yangsan, Korea
| | - Ji Yun Kim
- Department of Pathology, School of Medicine, Pusan National University Yangsan Hospital, Pusan National University, Yangsan, Korea
| | - So Hyun Shin
- Department of Pathology, School of Medicine, Pusan National University Yangsan Hospital, Pusan National University, Yangsan, Korea
| | - Joon Young Park
- Department of Pathology, School of Medicine, Pusan National University Yangsan Hospital, Pusan National University, Yangsan, Korea
| | - Ji Sun Song
- Department of Pathology, School of Medicine, Pusan National University, Yangsan, Korea
| | - So Young Kim
- Department of Pathology, School of Medicine, Pusan National University Yangsan Hospital, Pusan National University, Yangsan, Korea
| | - Se Jin Jung
- Department of Pathology, School of Medicine, Pusan National University Yangsan Hospital, Pusan National University, Yangsan, Korea
| | - Jung Hee Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Ju-Young Na
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Dong Hoon Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Jee Yeon Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Sung Woo Park
- Department of Urology, School of Medicine, Pusan National University Yangsan Hospital, Pusan National University, Yangsan, Korea
| | - Hyun Jung Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea; Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.
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Shin DH, Park H, Ghenzi N, Kim YR, Cheong S, Shim SK, Yim S, Park TW, Song H, Lee JK, Kim BS, Park T, Hwang CS. Multiphase Reset Induced Reliable Dual-Mode Resistance Switching of the Ta/HfO 2/RuO 2 Memristor. ACS Appl Mater Interfaces 2024; 16:16462-16473. [PMID: 38513155 DOI: 10.1021/acsami.3c19523] [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] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
Higher functionality should be achieved within the device-level switching characteristics to secure the operational possibility of mixed-signal data processing within a memristive crossbar array. This work investigated electroforming-free Ta/HfO2/RuO2 resistive switching devices for digital- and analog-type applications through various structural and electrical analyses. The multiphase reset behavior, induced by the conducting filament modulation and oxygen vacancy generation (annihilation) in the HfO2 layer by interacting with the Ta (RuO2) electrode, was utilized for the switching mode change. Therefore, a single device can manifest stable binary switching between low and high resistance states for the digital mode and the precise 8-bit conductance modulation (256 resistance values) via an optimized pulse application for the analog mode. An in-depth analysis of the operation in different modes and comparing memristors with different electrode structures validate the proposed mechanism. The Ta/HfO2/RuO2 resistive switching device is feasible for a mixed-signal processable memristive array.
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Affiliation(s)
- Dong Hoon Shin
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Hyungjun Park
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Néstor Ghenzi
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
- Universidad de Avelleneda UNDAV and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mario Bravo 1460, Avellaneda, Buenos Aires 1872, Argentina
| | - Yeong Rok Kim
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Sunwoo Cheong
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Sung Keun Shim
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Seongpil Yim
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Tae Won Park
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Haewon Song
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jung Kyu Lee
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Byeong Su Kim
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Taegyun Park
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Cheol Seong Hwang
- Department of Materials Science and Engineering and Inter-University Semiconductor Research Center, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 08826, Republic of Korea
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4
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Jung JW, Kim KH, Yun J, Kim YD, Heo J, Lee H, Choi JK, Lee IH, Lim IH, Hong SH, Kim BM, Kim DJ, Shin NY, Cho BH, Ahn SH, Park H, Sohn SI, Hong JH, Song TJ, Chang Y, Kim GS, Seo KD, Lee K, Chang JY, Seo JH, Lee S, Baek JH, Cho HJ, Shin DH, Kim J, Yoo J, Baik M, Lee KY, Jung YH, Hwang YH, Kim CK, Kim JG, Lee CJ, Park S, Jeon S, Lee HS, Kwon SU, Bang OY, Heo JH, Nam HS. Functional Outcomes Associated With Blood Pressure Decrease After Endovascular Thrombectomy. JAMA Netw Open 2024; 7:e246878. [PMID: 38630474 PMCID: PMC11024769 DOI: 10.1001/jamanetworkopen.2024.6878] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 02/19/2024] [Indexed: 04/19/2024] Open
Abstract
Importance The associations between blood pressure (BP) decreases induced by medication and functional outcomes in patients with successful endovascular thrombectomy remain uncertain. Objective To evaluate whether BP reductions induced by intravenous BP medications are associated with poor functional outcomes at 3 months. Design, Setting, and Participants This cohort study was a post hoc analysis of the Outcome in Patients Treated With Intra-Arterial Thrombectomy-Optimal Blood Pressure Control trial, a comparison of intensive and conventional BP management during the 24 hours after successful recanalization from June 18, 2020, to November 28, 2022. This study included 302 patients who underwent endovascular thrombectomy, achieved successful recanalization, and exhibited elevated BP within 2 hours of successful recanalization at 19 stroke centers in South Korea. Exposure A BP decrease was defined as at least 1 event of systolic BP less than 100 mm Hg. Patients were divided into medication-induced BP decrease (MIBD), spontaneous BP decrease (SpBD), and no BP decrease (NoBD) groups. Main Outcomes and Measures The primary outcome was a modified Rankin scale score of 0 to 2 at 3 months, indicating functional independence. Primary safety outcomes were symptomatic intracerebral hemorrhage within 36 hours and mortality due to index stroke within 3 months. Results Of the 302 patients (median [IQR] age, 75 [66-82] years; 180 [59.6%] men), 47 (15.6%)were in the MIBD group, 39 (12.9%) were in the SpBD group, and 216 (71.5%) were in the NoBD group. After adjustment for confounders, the MIBD group exhibited a significantly smaller proportion of patients with functional independence at 3 months compared with the NoBD group (adjusted odds ratio [AOR], 0.45; 95% CI, 0.20-0.98). There was no significant difference in functional independence between the SpBD and NoBD groups (AOR, 1.41; 95% CI, 0.58-3.49). Compared with the NoBD group, the MIBD group demonstrated higher odds of mortality within 3 months (AOR, 5.15; 95% CI, 1.42-19.4). The incidence of symptomatic intracerebral hemorrhage was not significantly different among the groups (MIBD vs NoBD: AOR, 1.89; 95% CI, 0.54-5.88; SpBD vs NoBD: AOR, 2.75; 95% CI, 0.76-9.46). Conclusions and Relevance In this cohort study of patients with successful endovascular thrombectomy after stroke, MIBD within 24 hours after successful recanalization was associated with poor outcomes at 3 months. These findings suggested lowering systolic BP to below 100 mm Hg using BP medication might be harmful.
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Affiliation(s)
- Jae Wook Jung
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Kwang Hyun Kim
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Jaeseob Yun
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Young Dae Kim
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - JoonNyung Heo
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Hyungwoo Lee
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Jin Kyo Choi
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Il Hyung Lee
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - In Hwan Lim
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Soon-Ho Hong
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Byung Moon Kim
- Department of Radiology, Yonsei University College of Medicine, Seoul, Korea
| | - Dong Joon Kim
- Department of Radiology, Yonsei University College of Medicine, Seoul, Korea
| | - Na Young Shin
- Department of Radiology, Yonsei University College of Medicine, Seoul, Korea
| | - Bang-Hoon Cho
- Department of Neurology, Korea University Anam Hospital and College of Medicine, Seoul, Korea
| | - Seong Hwan Ahn
- Department of Neurology, Chosun University School of Medicine, Gwangju, Korea
| | - Hyungjong Park
- Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, Daegu, Korea
| | - Sung-Il Sohn
- Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, Daegu, Korea
| | - Jeong-Ho Hong
- Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, Daegu, Korea
| | - Tae-Jin Song
- Department of Neurology, Seoul Hospital, Ewha Woman's University, College of Medicine, Seoul, Korea
| | - Yoonkyung Chang
- Department of Neurology, Mokdong Hospital, Ewha Woman's University College of Medicine, Seoul, Korea
| | - Gyu Sik Kim
- National Health Insurance Service, Ilsan Hospital, Goyang, Korea
| | - Kwon-Duk Seo
- National Health Insurance Service, Ilsan Hospital, Goyang, Korea
| | - Kijeong Lee
- National Health Insurance Service, Ilsan Hospital, Goyang, Korea
| | - Jun Young Chang
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jung Hwa Seo
- Department of Neurology, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Sukyoon Lee
- Department of Neurology, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Jang-Hyun Baek
- Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Han-Jin Cho
- Department of Neurology, Pusan National University School of Medicine, Busan, Korea
| | - Dong Hoon Shin
- Department of Neurology, Gachon University Gil Medical Center, Incheon, Korea
| | - Jinkwon Kim
- Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea
| | - Joonsang Yoo
- Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea
| | - Minyoul Baik
- Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea
| | - Kyung-Yul Lee
- Department of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Yo Han Jung
- Department of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Yang-Ha Hwang
- Department of Neurology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Chi Kyung Kim
- Department of Neurology, Korea University Guro Hospital and College of Medicine, Seoul, Korea
| | - Jae Guk Kim
- Department of Neurology, Daejeon Eulji Medical Center, Eulji University School of Medicine, Daejon, Korea
| | - Chan Joo Lee
- Department of Health Promotion, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sungha Park
- Department of Health Promotion, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
- Cardiovascular Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Soyoung Jeon
- Department of Research Affairs, Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Korea
| | - Hye Sun Lee
- Department of Research Affairs, Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Korea
| | - Sun U Kwon
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Oh Young Bang
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Ji Hoe Heo
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Hyo Suk Nam
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
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5
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Shim SK, Jang YH, Han J, Jeon JW, Shin DH, Kim YR, Han JK, Woo KS, Lee SH, Cheong S, Kim J, Seo H, Shin J, Hwang CS. 2Memristor-1Capacitor Integrated Temporal Kernel for High-Dimensional Data Mapping. Small 2024:e2306585. [PMID: 38212281 DOI: 10.1002/smll.202306585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 12/01/2023] [Indexed: 01/13/2024]
Abstract
Compact but precise feature-extracting ability is core to processing complex computational tasks in neuromorphic hardware. Physical reservoir computing (RC) offers a robust framework to map temporal data into a high-dimensional space using the time dynamics of a material system, such as a volatile memristor. However, conventional physical RC systems have limited dynamics for the given material properties, restricting the methods to increase their dimensionality. This study proposes an integrated temporal kernel composed of a 2-memristor and 1-capacitor (2M1C) using a W/HfO2 /TiN memristor and TiN/ZrO2 /Al2 O3 /ZrO2 /TiN capacitor to achieve higher dimensionality and tunable dynamics. The kernel elements are carefully designed and fabricated into an integrated array, of which performances are evaluated under diverse conditions. By optimizing the time dynamics of the 2M1C kernel, each memristor simultaneously extracts complementary information from input signals. The MNIST benchmark digit classification task achieves a high accuracy of 94.3% with a (196×10) single-layer network. Analog input mapping ability is tested with a Mackey-Glass time series prediction, and the system records a normalized root mean square error of 0.04 with a 20×1 readout network, the smallest readout network ever used for Mackey-Glass prediction in RC. These performances demonstrate its high potential for efficient temporal data analysis.
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Affiliation(s)
- Sung Keun Shim
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yoon Ho Jang
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Janguk Han
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jeong Woo Jeon
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Dong Hoon Shin
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yeong Rok Kim
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Joon-Kyu Han
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Kyung Seok Woo
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Soo Hyung Lee
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sunwoo Cheong
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jaehyun Kim
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Haengha Seo
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jonghoon Shin
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Cheol Seong Hwang
- Department of Materials Science and Engineering and Inter-university Semiconductor Research Center, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea
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6
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Kang CM, Ku HJ, Moon HH, Kim SE, Jo JH, Choi YI, Shin DH. Predicting Safe Liver Resection Volume for Major Hepatectomy Using Artificial Intelligence. J Clin Med 2024; 13:381. [PMID: 38256518 PMCID: PMC10816299 DOI: 10.3390/jcm13020381] [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] [Received: 12/06/2023] [Revised: 12/28/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
(1) Background: Advancements in the field of liver surgery have led to a critical need for precise estimations of preoperative liver function to prevent post-hepatectomy liver failure (PHLF), a significant cause of morbidity and mortality. This study introduces a novel application of artificial intelligence (AI) in determining safe resection volumes according to a patient's liver function in major hepatectomies. (2) Methods: We incorporated a deep learning approach, incorporating a unique liver-specific loss function, to analyze patient characteristics, laboratory data, and liver volumetry from computed tomography scans of 52 patients. Our approach was evaluated against existing machine and deep learning techniques. (3) Results: Our approach achieved 68.8% accuracy in predicting safe resection volumes, demonstrating superior performance over traditional models. Furthermore, it significantly reduced the mean absolute error in under-predicted volumes to 23.72, indicating a more precise estimation of safe resection limits. These findings highlight the potential of integrating AI into surgical planning for liver resections. (4) Conclusion: By providing more accurate predictions of safe resection volumes, our method aims to minimize the risk of PHLF, thereby improving clinical outcomes for patients undergoing hepatectomy.
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Affiliation(s)
- Chol Min Kang
- Department of Applied Biomedical Engineering, The Johns Hopkins University, Baltimore, MD 21287, USA;
| | - Hyung June Ku
- Chang Kee-Ryo Memorial Liver Institute, Kosin University College of Medicine, Busan 49267, Republic of Korea; (H.J.K.); (J.H.J.); (Y.I.C.); (D.H.S.)
| | - Hyung Hwan Moon
- Chang Kee-Ryo Memorial Liver Institute, Kosin University College of Medicine, Busan 49267, Republic of Korea; (H.J.K.); (J.H.J.); (Y.I.C.); (D.H.S.)
- Division of Hepatobiliary-Pancreas and Transplantation, Department of Surgery, Kosin University Gospel Hospital, Busan 49267, Republic of Korea
| | - Seong-Eun Kim
- Department of Applied Artificial Intelligence, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea;
| | - Ji Hoon Jo
- Chang Kee-Ryo Memorial Liver Institute, Kosin University College of Medicine, Busan 49267, Republic of Korea; (H.J.K.); (J.H.J.); (Y.I.C.); (D.H.S.)
- Division of Hepatobiliary-Pancreas and Transplantation, Department of Surgery, Kosin University Gospel Hospital, Busan 49267, Republic of Korea
| | - Young Il Choi
- Chang Kee-Ryo Memorial Liver Institute, Kosin University College of Medicine, Busan 49267, Republic of Korea; (H.J.K.); (J.H.J.); (Y.I.C.); (D.H.S.)
- Division of Hepatobiliary-Pancreas and Transplantation, Department of Surgery, Kosin University Gospel Hospital, Busan 49267, Republic of Korea
| | - Dong Hoon Shin
- Chang Kee-Ryo Memorial Liver Institute, Kosin University College of Medicine, Busan 49267, Republic of Korea; (H.J.K.); (J.H.J.); (Y.I.C.); (D.H.S.)
- Division of Hepatobiliary-Pancreas and Transplantation, Department of Surgery, Kosin University Gospel Hospital, Busan 49267, Republic of Korea
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Yeo HJ, Ha M, Shin DH, Lee HR, Kim YH, Cho WH. Development of a Novel Biomarker for the Progression of Idiopathic Pulmonary Fibrosis. Int J Mol Sci 2024; 25:599. [PMID: 38203769 PMCID: PMC10779374 DOI: 10.3390/ijms25010599] [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: 11/22/2023] [Revised: 12/22/2023] [Accepted: 01/01/2024] [Indexed: 01/12/2024] Open
Abstract
The progression of idiopathic pulmonary fibrosis (IPF) is diverse and unpredictable. We identified and validated a new biomarker for IPF progression. To identify a candidate gene to predict progression, we assessed differentially expressed genes in patients with advanced IPF compared with early IPF and controls in three lung sample cohorts. Candidate gene expression was confirmed using immunohistochemistry and Western blotting of lung tissue samples from an independent IPF clinical cohort. Biomarker potential was assessed using an enzyme-linked immunosorbent assay of serum samples from the retrospective validation cohort. We verified that the final candidate gene reflected the progression of IPF in a prospective validation cohort. In the RNA-seq comparative analysis of lung tissues, CD276, COL7A1, CTSB, GLI2, PIK3R2, PRAF2, IGF2BP3, and NUPR1 were up-regulated, and ADAMTS8 was down-regulated in the samples of advanced IPF. Only CTSB showed significant differences in expression based on Western blotting (n = 12; p < 0.001) and immunohistochemistry between the three groups of the independent IPF cohort. In the retrospective validation cohort (n = 78), serum CTSB levels were higher in the progressive group (n = 25) than in the control (n = 29, mean 7.37 ng/mL vs. 2.70 ng/mL, p < 0.001) and nonprogressive groups (n = 24, mean 7.37 ng/mL vs. 2.56 ng/mL, p < 0.001). In the prospective validation cohort (n = 129), serum CTSB levels were higher in the progressive group than in the nonprogressive group (mean 8.30 ng/mL vs. 3.00 ng/mL, p < 0.001). After adjusting for baseline FVC, we found that CTSB was independently associated with IPF progression (adjusted OR = 2.61, p < 0.001). Serum CTSB levels significantly predicted IPF progression (AUC = 0.944, p < 0.001). Serum CTSB level significantly distinguished the progression of IPF from the non-progression of IPF or healthy control.
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Affiliation(s)
- Hye Ju Yeo
- Department of Internal Medicine, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea;
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (D.H.S.); (H.R.L.)
| | - Mihyang Ha
- Interdisciplinary Program of Genomic Data Science, Pusan National University, Busan 46241, Republic of Korea;
- Department of Nuclear Medicine, Pusan National University Medical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Dong Hoon Shin
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (D.H.S.); (H.R.L.)
- Department of Pathology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Hye Rin Lee
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (D.H.S.); (H.R.L.)
| | - Yun Hak Kim
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Woo Hyun Cho
- Department of Internal Medicine, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea;
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (D.H.S.); (H.R.L.)
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Lee SJ, Park G, Kim D, Jung S, Song S, Hong JM, Shin DH, Lee JS. Clinical evaluation of a deep-learning model for automatic scoring of the Alberta stroke program early CT score on non-contrast CT. J Neurointerv Surg 2023; 16:61-66. [PMID: 37015781 PMCID: PMC10804033 DOI: 10.1136/jnis-2022-019970] [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: 12/13/2022] [Accepted: 03/01/2023] [Indexed: 04/06/2023]
Abstract
BACKGROUND Automated measurement of the Alberta Stroke Program Early Computed Tomography Score (ASPECTS) can support clinical decision making. Based on a deep learning algorithm, we developed an automated ASPECTS scoring system (Heuron ASPECTS) and validated its performance in a prespecified clinical trial. METHODS For model training, we used non-contrast computed tomography images of 487 patients with acute ischemic stroke (AIS). For the clinical trial, 326 patients (87 with AIS, 56 with other acute brain diseases, and 183 with no brain disease) were enrolled. The results of Heuron ASPECTS were compared with the consensus generated by two stroke experts using the Bland-Altman agreement. A mean difference of less than 0.35 and a maximum allowed difference of less than 3.8 were considered the primary outcome target. The sensitivity and specificity of the model for the 10 regions of interest and dichotomized ASPECTS were calculated. RESULTS The Bland-Altman agreement had a mean difference of 0.03 [95% confidence interval (CI): -0.08 to 0.14], and the upper and lower limits of agreement were 2.80 [95% CI: 2.62 to 2.99] and -2.74 [95% CI: -2.92 to -2.55], respectively. For ASPECTS calculation, sensitivity and specificity to detect the early ischemic change for 10 ASPECTS regions were 62.78% [95% CI: 58.50 to 67.07] and 96.63% [95% CI: 96.18 to 97.09], respectively. Furthermore, in a dichotomized analysis (ASPECTS >4 vs. ≤4), the sensitivity and specificity were 94.01% [95% CI: 91.26 to 96.77] and 61.90% [95% CI: 47.22 to 76.59], respectively. CONCLUSIONS The current trial results show that Heuron ASPECTS reliably measures the ASPECTS for use in clinical practice.
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Affiliation(s)
- Seong-Joon Lee
- Department of Neurology, Ajou University School of Medicine, Suwon, Gyeonggi-do, South Korea
| | - Gyuha Park
- Research Division, Heuron Co., Ltd, Incheon, South Korea
| | - Dohyun Kim
- Research Division, Heuron Co., Ltd, Incheon, South Korea
| | - Sumin Jung
- Research Division, Heuron Co., Ltd, Incheon, South Korea
| | - Soohwa Song
- Research Division, Heuron Co., Ltd, Incheon, South Korea
| | - Ji Man Hong
- Department of Neurology, Ajou University School of Medicine, Suwon, Gyeonggi-do, South Korea
| | - Dong Hoon Shin
- Research Division, Heuron Co., Ltd, Incheon, South Korea
- Department of Neurology, Gachon University College of Medicine, Incheon, South Korea
| | - Jin Soo Lee
- Department of Neurology, Ajou University School of Medicine, Suwon, Gyeonggi-do, South Korea
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Cho SH, Park BS, Son GM, Kim HS, Kim SJ, Park SB, Choi CW, Kim HW, Shin DH, Yun MS. Differences in Factors Predicting Lymph Node Metastasis Between pT1 Rectal Cancer and pT1 Colon Cancer: A Retrospective Study. Am Surg 2023; 89:5829-5836. [PMID: 35766839 DOI: 10.1177/00031348221111517] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Studies have demonstrated conflicting results regarding factors that predict lymph node metastasis (LNM) in pT1 colorectal cancers. We hypothesized that these discrepancies could be related to different factors predicting LNM between rectal and colon cancer. This study aimed to compare predicting factors for LNM between pT1 rectal and colon cancer. METHODS This retrospective study evaluated a prospectively maintained database that included 380 patients with pT1 colorectal cancer from January 2010 to December 2020. Patients were grouped according to whether they had rectal or colon cancer, with or without LNM, and factors predicting LNM were analyzed. RESULTS In pT1 rectal cancer, LNM was associated with deeper submucosal (SM) invasion (P = .024) and a higher proportion of poorly differentiated tumors (P = .006). In pT1 colon cancer, LNM was associated with a higher proportion of moderately/poorly differentiated tumors (P = .002) and lymphatic invasion (P = .004). In the multivariate analysis for rectal cancer, depth of SM invasion (≥3000 μm) was an independent predictive factor for LNM (95% confidence interval [CI], 1.48-27.94; P = .013), whereas for colon cancer, moderately/poorly differentiated tumors (95% CI, 1.38-8.13; P = .008) and lymphatic invasion (95% CI, 1.44-11.78; P = .008) were independent predictive factors for LNM. DISCUSSION There were distinct differences in the factors predicting LNM between pT1 rectal cancer and colon cancer. These results suggest the necessity in differentiating between rectal and colon cancer when performing studies on LNM in pT1 colorectal cancer.
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Affiliation(s)
- Sung Hwan Cho
- Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Byung-Soo Park
- Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Gyung Mo Son
- Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Hyun Sung Kim
- Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Su Jin Kim
- Department of Internal Medicine, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Su Bum Park
- Department of Internal Medicine, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Cheol Woong Choi
- Department of Internal Medicine, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Hyung Wook Kim
- Department of Internal Medicine, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Dong Hoon Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Mi Sook Yun
- Division of Biostatistics, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
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Lee T, Lee J, Shin DH, Lee H, Kim SK. Prognostic and Diagnostic Power of Delta Neutrophil Index and Mean Platelet Component in Febrile Patients with Suspected Sepsis. Biomedicines 2023; 11:3190. [PMID: 38137411 PMCID: PMC10740452 DOI: 10.3390/biomedicines11123190] [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] [Received: 11/01/2023] [Revised: 11/22/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND The delta neutrophil index (DNI), a prognostic and diagnostic marker for sepsis, is based on the leukocyte count. Platelet activation, similar to leukocyte activation, plays a crucial role in host defense against pathogens and may serve as a predictor of sepsis outcome. However, the combined evaluation of mean platelet component (MPC) and DNI has rarely been used to assess sepsis. METHODS To assess the prognostic and diagnostic validity of the simultaneous evaluation of DNI and MPC in cases of human febrile sepsis, we conducted measurements of cellular indices, including DNI and MPC, as well as molecular biomarkers, including procalcitonin (PCT) and C-reactive protein (CRP). This study was carried out in patients admitted to the emergency department with suspected sepsis. RESULTS Using a cutoff value of 2.65%, the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of the DNI in sepsis were found to be 69%, 73.9%, 77.9%, and 64.1%, respectively. Furthermore, significant differences in DNI and MPC levels were observed between the sepsis and non-sepsis groups (6.7 ± 7.8% versus 2.1 ± 2.2% (p = 0.000) and 26.0 ± 1.9 g/dL versus 26.8 ± 1.4 g/dL (p = 0.002), respectively). Notably, there was a negative correlation between DNI and MPC, with the strength of the correlation varying based on the cause of sepsis. By setting the cutoff value of the DNI to 6.2%, its sensitivity, specificity, and NPV improved to 100%, 80.3%, and 100%, respectively, although the PPV remained at 10.6%. CONCLUSIONS In our study, the DNI demonstrates superior effectiveness compared with other molecular biomarkers, such as CRP and procalcitonin, in distinguishing septic febrile patients from non-septic febrile patients. Additionally, a negative correlation exists between MPC and DNI, making MPC a valuable marker for differentiating the etiology of sepsis. These findings hold significant clinical implications, as DNI/MPC evaluation is a cost-effective and readily applicable approach in various impending sepsis scenarios. Notably, this study represents the first examination of the prognostic and diagnostic validity of employing the simultaneous evaluation of DNI and MPC in human cases of febrile sepsis.
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Affiliation(s)
- Taehun Lee
- Department of Emergency Medicine, College of Medicine, Hallym University, Chuncheon Sacred Heart Hospital, Chuncheon 24253, Republic of Korea;
| | - Jongwook Lee
- Department of Laboratory Medicine, Konyang University Hospital, Daejeon 35465, Republic of Korea;
| | - Dong Hoon Shin
- Department of Laboratory Medicine, College of Medicine, Hallym University, Chuncheon Sacred Heart Hospital, Chuncheon 24253, Republic of Korea;
| | - Hyungdon Lee
- Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon Sacred Heart Hospital, Chuncheon 24253, Republic of Korea
| | - Soo-Ki Kim
- Department of Microbiology, Wonju College of Medicine, Research Institute of Metabolism and Inflammation Research, Yonsei University, Wonju 26426, Republic of Korea
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Jeong Y, Chung JH, Lim DW, Lee SH, Hwang SH, Shin DH. Small bowel diaphragm disease with multiple cluster lesions in one segment of the small bowel mimicking an adhesion band: A case report. Medicine (Baltimore) 2023; 102:e35235. [PMID: 38013339 PMCID: PMC10681587 DOI: 10.1097/md.0000000000035235] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/24/2023] [Indexed: 11/29/2023] Open
Abstract
RATIONALE Small bowel diaphragm disease (SBDD) is a rare case, caused by long-term administration of nonsteroidal anti-inflammatory drugs (NSAIDs). The circumferential diaphragm in the lumen of small bowel causing mechanical obstruction is the characteristic finding. PATIENT CONCERNS A 74-year-old male was transferred to Pusan National University Yangsan Hospital (PNUYH) due to abdominal pain lasting for 2 months. He was treated in the local medical center (LMC) with Levin tube insertion and Nil Per Os (NPO) but showed no improvement. DIAGNOSIS According to abdomen-pelvis computed tomography (CT) result, small bowel obstruction due to the adhesion band was identified, showing dilatation of the small bowel with abrupt narrowing of the ileum. INTERVENTIONS Laparoscopic exploration was done but failed to find an adhesion band. An investigation of the whole small bowel was done with mini-laparotomy. At the transitional zone, the intraluminal air could not pass so the segmental resection of small bowel including the transitional zone and end-to-end anastomosis was done. OUTCOMES After surgery, every laboratory finding recovered to the normal range in 4 days, but the patient's ileus lasted for 8 days. The patient's symptoms were relieved after defecation, he was discharged on postoperative day 10. LESSONS For patients who show mechanical obstruction without an operation history but with long-term administration of NSAIDs, the clinicians should suspect small bowel diaphragm disease.
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Affiliation(s)
- Youseok Jeong
- Division of Gastrointestinal Surgery, Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Jae Hun Chung
- Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
- Department of Pathology, School of Medicine, Pusan National University, Pusan National University Yangsan Hospital, Yangsan, Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Dong Won Lim
- Division of Gastrointestinal Surgery, Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Si Hak Lee
- Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
- Department of Pathology, School of Medicine, Pusan National University, Pusan National University Yangsan Hospital, Yangsan, Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Sun-Hwi Hwang
- Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
- Department of Pathology, School of Medicine, Pusan National University, Pusan National University Yangsan Hospital, Yangsan, Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Dong Hoon Shin
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
- Pusan National University, School of Medicine, Busan, Korea
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Chai JY, Seo M, Shin DH. Paleoparasitology research on ancient helminth eggs and larvae in the Republic of Korea. Parasites Hosts Dis 2023; 61:345-387. [PMID: 38043533 PMCID: PMC10693964 DOI: 10.3347/phd.23085] [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] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 10/24/2023] [Indexed: 12/05/2023]
Abstract
Paleoparasitology is a discipline that applies existing conventional and molecular techniques to study parasites found in ancient ruins. This review focuses on the history of the discovery of parasites (mostly helminth eggs and larvae) in archaeological soil samples and mummies in Korea from the Three Kingdoms Period to the Joseon Dynasty (100 BCE-1910 CE). We also briefly review important milestones in global paleoparasitology. The helminth species reported so far in Korea included Ascaris lumbricoides, Trichuris trichiura, Strongyloides stercoralis (larva), Trichostrongylus sp. (larva), Paracapillaria philippinensis (syn. Capillaria philippinensis), Enterobius vermicularis, Fasciola hepatica, dicrocoeliids, Paragonimus westermani, Clonorchis sinensis, Metagonimus yokogawai, Pygidiopsis summa, Gymnophalloides seoi, Isthmiophora hortensis, Dibothriocephalus nihonkaiensis (syn. Diphyllobothrium nihonkaiense), and Taenia spp. tapeworms. The findings obtained by Korean paleoparasitologists/archaeologists have brought about deep insight into the status of helminthic infections in Korea's past populations. Continued paleoparasitological research is essential for further understanding of ancient parasites and parasitic diseases in Korea.
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Affiliation(s)
- Jong-Yil Chai
- Department of Tropical Medicine and Parasitology, Seoul National University College of Medicine, Seoul 03080,
Korea
| | - Min Seo
- Department of Parasitology, Dankook University College of Medicine, Cheonan 31116,
Korea
| | - Dong Hoon Shin
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080,
Korea
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Kwon HM, Jeong EH, Yim JE, Kim HR, Shin DH, Choi JS, Bae YK. Methotrexate-Induced Accelerated Nodulosis in a Patient with Systemic Lupus Erythematosus. Ann Dermatol 2023; 35:S272-S274. [PMID: 38061720 PMCID: PMC10727892 DOI: 10.5021/ad.21.312] [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] [Received: 12/17/2021] [Revised: 03/17/2022] [Accepted: 04/24/2022] [Indexed: 12/20/2023] Open
Abstract
Methotrexate (MTX)-induced accelerated nodulosis (MIAN) reportedly occurs in patients with rheumatic arthritis receiving MTX therapy. However, it has also been reported in patients with other autoinflammatory conditions, such as systemic lupus erythematosus (SLE). A 38-year-old woman diagnosed with SLE presented with multiple movable, firm, flesh-colored nodules on both hands that had developed 3 years ago. She was taking oral medications, specifically hydroxychloroquine, azathioprine, and MTX. Histopathological examination revealed palisaded granulomatous inflammation, surrounded by histiocytes and lymphocytes, along the dermis to the subcutaneous fat layer. Fibrinoid degeneration was observed at the center of the granulomatous inflammation, and dermal mucin deposition was not observed. The patient was diagnosed with MIAN, and therefore discontinuation of MTX was recommended. Subsequently, the lesions almost completely disappeared with no signs of recurrence. MIAN exhibits clinicopathological features similar to those of rheumatoid nodules; therefore, it can be easily misdiagnosed. Herein, we report a case of MIAN in a patient with SLE to contribute to the accurate diagnosis and appropriate management.
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Affiliation(s)
- Hyeong Mok Kwon
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Eun Hye Jeong
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Jung Eun Yim
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Hye Ri Kim
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Dong Hoon Shin
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea.
| | - Jong Soo Choi
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Young Kyung Bae
- Department of Pathology, Yeungnam University College of Medicine, Daegu, Korea
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Shin DH, Son S, Kim EY. Low-Energy Transcranial Navigation-Guided Focused Ultrasound for Neuropathic Pain: An Exploratory Study. Brain Sci 2023; 13:1433. [PMID: 37891801 PMCID: PMC10605299 DOI: 10.3390/brainsci13101433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/01/2023] [Accepted: 10/06/2023] [Indexed: 10/29/2023] Open
Abstract
Neuromodulation using high-energy focused ultrasound (FUS) has recently been developed for various neurological disorders, including tremors, epilepsy, and neuropathic pain. We investigated the safety and efficacy of low-energy FUS for patients with chronic neuropathic pain. We conducted a prospective single-arm trial with 3-month follow-up using new transcranial, navigation-guided, focused ultrasound (tcNgFUS) technology to stimulate the anterior cingulate cortex. Eleven patients underwent FUS with a frequency of 250 kHz and spatial-peak temporal-average intensity of 0.72 W/cm2. A clinical survey based on the visual analog scale of pain and a brief pain inventory (BPI) was performed during the study period. The average age was 60.55 ± 13.18 years-old with a male-to-female ratio of 6:5. The median current pain decreased from 10.0 to 7.0 (p = 0.021), median average pain decreased from 8.5 to 6.0 (p = 0.027), and median maximum pain decreased from 10.0 to 8.0 (p = 0.008) at 4 weeks after treatment. Additionally, the sum of daily life interference based on BPI was improved from 59.00 ± 11.66 to 51.91 ± 9.18 (p = 0.021). There were no side effects such as burns, headaches, or seizures, and no significant changes in follow-up brain magnetic resonance imaging. Low-energy tcNgFUS could be a safe and noninvasive neuromodulation technique for the treatment of chronic neuropathic pain.
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Affiliation(s)
- Dong Hoon Shin
- Department of Neurology, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea;
| | - Seong Son
- Department of Neurosurgery, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea;
| | - Eun Young Kim
- Department of Neurosurgery, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea;
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Shin DH, Jo JY, Choi M, Kim KH, Bae YK, Kim SS. Oncogenic KRAS mutation confers chemoresistance by upregulating SIRT1 in non-small cell lung cancer. Exp Mol Med 2023; 55:2220-2237. [PMID: 37779142 PMCID: PMC10618295 DOI: 10.1038/s12276-023-01091-0] [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: 02/20/2023] [Revised: 06/09/2023] [Accepted: 07/04/2023] [Indexed: 10/03/2023] Open
Abstract
Kirsten rat sarcoma viral oncogene homologue (KRAS) is a frequent oncogenic driver of solid tumors, including non-small cell lung cancer (NSCLC). The treatment and outcomes of KRAS-mutant cancers have not been dramatically revolutionized by direct KRAS-targeted therapies because of the lack of deep binding pockets for specific small molecule inhibitors. Here, we demonstrated that the mRNA and protein levels of the class III histone deacetylase SIRT1 were upregulated by the KRASMut-Raf-MEK-c-Myc axis in KRASMut lung cancer cells and in lung tumors of a mouse model with spontaneous KrasG12D expression. KRASMut-induced SIRT1 bound to KRASMut and stably deacetylated KRASMut at lysine 104, which increased KRASMut activity. SIRT1 knockdown (K/D) or the SIRT1H363Y mutation increased KRASMut acetylation, which decreased KRASMut activity and sensitized tumors to the anticancer effects of cisplatin and erlotinib. Furthermore, in KrasG12D/+;Sirt1co/co mice, treatment with cisplatin and erlotinib robustly reduced the tumor burden and increased survival rates compared with those in spontaneous LSL-KrasG12D/+;Sirt1+/+ mice and mice in each single-drug treatment group. Then, we identified p300 as a KRASMut acetyltransferase that reinforced KRASMut lysine 104 acetylation and robustly decreased KRASMut activity. KRASMut lysine 104 acetylation by p300 and deacetylation by SIRT1 were confirmed by LC‒MS/MS. Consistent with this finding, the SIRT1 inhibitor EX527 suppressed KRASMut activity, which synergistically abolished cell proliferation and colony formation, as well as the tumor burden in KRASMut mice, when combined with cisplatin or erlotinib. Our data reveal a novel pathway critical for the regulation of KRASMut lung cancer progression and provide important evidence for the potential application of SIRT1 inhibitors and p300 activators for the combination treatment of KRASMut lung cancer patients.
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Affiliation(s)
- Dong Hoon Shin
- Research Institute, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea.
- Cancer Biomedical Science, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea.
| | - Jeong Yeon Jo
- Research Institute, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
- Cancer Biomedical Science, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Minyoung Choi
- Research Institute, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Kyung-Hee Kim
- Research Institute, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
- Cancer Biomedical Science, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Young-Ki Bae
- Research Institute, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Sang Soo Kim
- Research Institute, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
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Slepchenko SM, Gusev AV, Svyatova EO, Hong JH, Lee H, Shin DH. Anthropological report of arctic people's mummy found at a medieval grave of West Siberia. Anat Cell Biol 2023; 56:404-408. [PMID: 37258423 PMCID: PMC10520856 DOI: 10.5115/acb.23.051] [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] [Received: 02/21/2023] [Revised: 03/25/2023] [Accepted: 03/29/2023] [Indexed: 06/02/2023] Open
Abstract
In arctic zone of West Siberia, native people's bodies were sometimes mummified inside the medieval graves. In 2013 to 2017, we conducted the excavations of medieval graves at Zeleny Yar cemetery in Yamalo-Nenets Autonomous Okrug. Among the burials, current report deals with the mummy grave #79. During the investigation, bronze plate and strips, woven or fur clothing, leather strap, beads, bronze bracelets, and iron knife etc. were collected. Anatomical and radiological research showed that the mummy was found intact with hair, skin, and skeletons, but the preservation status of soft tissue differed greatly depending on the area. The brain and eyes were well preserved, but the chest and abdominal organs almost disappeared. The arms were preserved to some extent, but only the bones remained in the legs. The West Siberian mummy could be a great resource for anthropologists to reveal the biological aspects of arctic indigenous people.
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Affiliation(s)
| | - Alexander Vasilyevich Gusev
- Sector of History and Archeology, Arctic Research Center of the Yamal-Nenets Autonomous District, Salekhard, Russia
| | | | - Jong Ha Hong
- Institute of Korean Archaeology and Ancient History, Kyung Hee University, Seoul, Korea
| | - Hyejin Lee
- Department of Forensic Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Dong Hoon Shin
- Institute of Forensic and Anthropological Science, Medical Research Center, Seoul National University, Seoul, Korea
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17
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Nam HS, Kim YD, Heo J, Lee H, Jung JW, Choi JK, Lee IH, Lim IH, Hong SH, Baik M, Kim BM, Kim DJ, Shin NY, Cho BH, Ahn SH, Park H, Sohn SI, Hong JH, Song TJ, Chang Y, Kim GS, Seo KD, Lee K, Chang JY, Seo JH, Lee S, Baek JH, Cho HJ, Shin DH, Kim J, Yoo J, Lee KY, Jung YH, Hwang YH, Kim CK, Kim JG, Lee CJ, Park S, Lee HS, Kwon SU, Bang OY, Anderson CS, Heo JH. Intensive vs Conventional Blood Pressure Lowering After Endovascular Thrombectomy in Acute Ischemic Stroke: The OPTIMAL-BP Randomized Clinical Trial. JAMA 2023; 330:832-842. [PMID: 37668619 PMCID: PMC10481233 DOI: 10.1001/jama.2023.14590] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 07/22/2023] [Indexed: 09/06/2023]
Abstract
Importance Optimal blood pressure (BP) control after successful reperfusion with endovascular thrombectomy (EVT) for patients with acute ischemic stroke is unclear. Objective To determine whether intensive BP management during the first 24 hours after successful reperfusion leads to better clinical outcomes than conventional BP management in patients who underwent EVT. Design, Setting, and Participants Multicenter, randomized, open-label trial with a blinded end-point evaluation, conducted across 19 stroke centers in South Korea from June 2020 to November 2022 (final follow-up, March 8, 2023). It included 306 patients with large vessel occlusion acute ischemic stroke treated with EVT and with a modified Thrombolysis in Cerebral Infarction score of 2b or greater (partial or complete reperfusion). Interventions Participants were randomly assigned to receive intensive BP management (systolic BP target <140 mm Hg; n = 155) or conventional management (systolic BP target 140-180 mm Hg; n = 150) for 24 hours after enrollment. Main Outcomes and Measures The primary outcome was functional independence at 3 months (modified Rankin Scale score of 0-2). The primary safety outcomes were symptomatic intracerebral hemorrhage within 36 hours and death related to the index stroke within 3 months. Results The trial was terminated early based on the recommendation of the data and safety monitoring board, which noted safety concerns. Among 306 randomized patients, 305 were confirmed eligible and 302 (99.0%) completed the trial (mean age, 73.0 years; 122 women [40.4%]). The intensive management group had a lower proportion achieving functional independence (39.4%) than the conventional management group (54.4%), with a significant risk difference (-15.1% [95% CI, -26.2% to -3.9%]) and adjusted odds ratio (0.56 [95% CI, 0.33-0.96]; P = .03). Rates of symptomatic intracerebral hemorrhage were 9.0% in the intensive group and 8.1% in the conventional group (risk difference, 1.0% [95% CI, -5.3% to 7.3%]; adjusted odds ratio, 1.10 [95% CI, 0.48-2.53]; P = .82). Death related to the index stroke within 3 months occurred in 7.7% of the intensive group and 5.4% of the conventional group (risk difference, 2.3% [95% CI, -3.3% to 7.9%]; adjusted odds ratio, 1.73 [95% CI, 0.61-4.92]; P = .31). Conclusions and Relevance Among patients who achieved successful reperfusion with EVT for acute ischemic stroke with large vessel occlusion, intensive BP management for 24 hours led to a lower likelihood of functional independence at 3 months compared with conventional BP management. These results suggest that intensive BP management should be avoided after successful EVT in acute ischemic stroke. Trial Registration ClinicalTrials.gov Identifier: NCT04205305.
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Affiliation(s)
- Hyo Suk Nam
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Young Dae Kim
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - JoonNyung Heo
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Hyungwoo Lee
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Wook Jung
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Jin Kyo Choi
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Il Hyung Lee
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - In Hwan Lim
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Soon-Ho Hong
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Minyoul Baik
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
| | - Byung Moon Kim
- Department of Radiology, Yonsei University College of Medicine, Seoul, Korea
| | - Dong Joon Kim
- Department of Radiology, Yonsei University College of Medicine, Seoul, Korea
| | - Na-Young Shin
- Department of Radiology, Yonsei University College of Medicine, Seoul, Korea
| | - Bang-Hoon Cho
- Department of Neurology, Korea University Anam Hospital and College of Medicine, Seoul, Korea
| | - Seong Hwan Ahn
- Department of Neurology, Chosun University School of Medicine, Gwangju, Korea
| | - Hyungjong Park
- Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, Daegu, Korea
| | - Sung-Il Sohn
- Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, Daegu, Korea
| | - Jeong-Ho Hong
- Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, Daegu, Korea
| | - Tae-Jin Song
- Department of Neurology, Seoul Hospital, Ewha Womans University College of Medicine, Seoul, Korea
| | - Yoonkyung Chang
- Department of Neurology, Mokdong Hospital, Ewha Womans University College of Medicine, Seoul, Korea
| | - Gyu Sik Kim
- Department of Neurology, National Health Insurance Service, Ilsan Hospital, Goyang, Korea
| | - Kwon-Duk Seo
- Department of Neurology, National Health Insurance Service, Ilsan Hospital, Goyang, Korea
| | - Kijeong Lee
- Department of Neurology, National Health Insurance Service, Ilsan Hospital, Goyang, Korea
| | - Jun Young Chang
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jung Hwa Seo
- Department of Neurology, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Sukyoon Lee
- Department of Neurology, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Jang-Hyun Baek
- Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Han-Jin Cho
- Department of Neurology, Pusan National University School of Medicine, Busan, Korea
| | - Dong Hoon Shin
- Department of Neurology, Gachon University Gil Medical Center, Incheon, Korea
| | - Jinkwon Kim
- Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea
| | - Joonsang Yoo
- Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea
| | - Kyung-Yul Lee
- Department of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Yo Han Jung
- Department of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Yang-Ha Hwang
- Department of Neurology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Chi Kyung Kim
- Department of Neurology, Korea University Guro Hospital and College of Medicine, Seoul, Korea
| | - Jae Guk Kim
- Department of Neurology, Daejeon Eulji Medical Center, Eulji University School of Medicine, Daejeon, Korea
| | - Chan Joo Lee
- Division of Cardiology, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Sungha Park
- Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Division of Cardiology, Yonsei University College of Medicine, Severance Hospital, Seoul, Korea
| | - Hye Sun Lee
- Department of Research Affairs, Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Korea
| | - Sun U. Kwon
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Oh Young Bang
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Craig S. Anderson
- The George Institute for Global Health, University of New South Wales, Sydney, Australia
| | - Ji Hoe Heo
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
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18
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Cho E, Singh R, Han C, Kim SH, Kim KH, Park BM, Shin DH, Han S, Kim YH, Kwon BS, Nam KT, Choi BK. 4-1BB-4-1BBL cis-interaction contributes to the survival of self-reactive CD8 + T cell. Cell Mol Immunol 2023; 20:1077-1080. [PMID: 37365325 PMCID: PMC10468488 DOI: 10.1038/s41423-023-01056-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 06/04/2023] [Indexed: 06/28/2023] Open
Affiliation(s)
- Eunjung Cho
- Immuno-oncology Branch, Division of Rare and Refractory Cancer, National Cancer Center, Goyang, 10408, Republic of Korea
- Severance Biomedical Science Institute, Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Rohit Singh
- Immuno-oncology Branch, Division of Rare and Refractory Cancer, National Cancer Center, Goyang, 10408, Republic of Korea
| | - Chungyong Han
- Immuno-oncology Branch, Division of Rare and Refractory Cancer, National Cancer Center, Goyang, 10408, Republic of Korea
- Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, 10408, Republic of Korea
| | - Seon-Hee Kim
- Immuno-oncology Branch, Division of Rare and Refractory Cancer, National Cancer Center, Goyang, 10408, Republic of Korea
- Department of Biomedical Laboratory Science, Catholic Kwandong University, Gangneung, 25601, Republic of Korea
| | - Kwang H Kim
- Severance Biomedical Science Institute, Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Bo-Mi Park
- Biomedicine Production Branch, Research Institute, National Cancer Center, Goyang, 10408, Republic of Korea
| | - Dong Hoon Shin
- Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, 10408, Republic of Korea
- Anticancer Resistance Branch, Division of Rare and Refractory Cancer, Research Institute, National Cancer Center, Goyang, 10408, Republic of Korea
| | - Seongeun Han
- Immuno-oncology Branch, Division of Rare and Refractory Cancer, National Cancer Center, Goyang, 10408, Republic of Korea
| | - Young H Kim
- Eutilex Co., Ltd., Geumcheon-gu, Seoul, 08594, Republic of Korea
| | - Byoung S Kwon
- Eutilex Co., Ltd., Geumcheon-gu, Seoul, 08594, Republic of Korea
- Department of Medicine, Tulane University Health Sciences Center, New Orleans, LA, 70112, USA
| | - Ki Taek Nam
- Severance Biomedical Science Institute, Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea.
| | - Beom K Choi
- Immuno-oncology Branch, Division of Rare and Refractory Cancer, National Cancer Center, Goyang, 10408, Republic of Korea.
- Innobationbio Co., Ltd., Mapo-gu, Seoul, 03929, Republic of Korea.
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19
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Baglioni G, Šiškins M, Houmes M, Lee M, Shin DH, Mañas-Valero S, Coronado E, Blanter YM, van der Zant HSJ, Steeneken PG. Thermo-Magnetostrictive Effect for Driving Antiferromagnetic Two-Dimensional Material Resonators. Nano Lett 2023; 23:6973-6978. [PMID: 37466285 PMCID: PMC10416344 DOI: 10.1021/acs.nanolett.3c01610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 07/14/2023] [Indexed: 07/20/2023]
Abstract
Magnetostrictive coupling has recently attracted interest as a sensitive method for studying magnetism in two-dimensional (2D) materials by mechanical means. However, its application in high-frequency magnetic actuators and transducers requires rapid modulation of the magnetic order, which is difficult to achieve with external magnets, especially when dealing with antiferromagnets. Here, we optothermally modulate the magnetization in antiferromagnetic 2D material membranes of metal phosphor trisulfides (MPS3), to induce a large high-frequency magnetostrictive driving force. From the analysis of the temperature-dependent resonance amplitude, we provide evidence that the force is due to a thermo-magnetostrictive effect, which significantly increases near the Neél temperature, due to the strong temperature dependence of the magnetization. By studying its angle dependence, we find the effect is observed to follow anisotropic magnetostriction of the crystal lattice. The results show that the thermo-magnetostrictive effect results in a strongly enhanced thermal expansion force near the critical temperature of magnetostrictive 2D materials, which can enable more efficient actuation of nano-magnetomechanical devices and can also provide a route for studying the high-frequency coupling among magnetic, mechanical, and thermodynamic degrees of freedom down to the 2D limit.
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Affiliation(s)
- Gabriele Baglioni
- Kavli
Institute of Nanoscience, Delft University
of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
| | - Makars Šiškins
- Kavli
Institute of Nanoscience, Delft University
of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
| | - Maurits Houmes
- Kavli
Institute of Nanoscience, Delft University
of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
| | - Martin Lee
- Kavli
Institute of Nanoscience, Delft University
of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
| | - Dong Hoon Shin
- Kavli
Institute of Nanoscience, Delft University
of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
| | - Samuel Mañas-Valero
- Kavli
Institute of Nanoscience, Delft University
of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
- Instituto
de Ciencia Molecular (ICMol), Universitat
de Valencia, Catedrático José Beltrán 2, 46980 Paterna, Spain
| | - Eugenio Coronado
- Instituto
de Ciencia Molecular (ICMol), Universitat
de Valencia, Catedrático José Beltrán 2, 46980 Paterna, Spain
| | - Yaroslav M. Blanter
- Kavli
Institute of Nanoscience, Delft University
of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
| | - Herre S. J. van der Zant
- Kavli
Institute of Nanoscience, Delft University
of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
| | - Peter G. Steeneken
- Kavli
Institute of Nanoscience, Delft University
of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
- Department
of Precision and Microsystems Engineering, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
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Choi Y, Kang M, Shin DH, Jung J, Choi SJ, Kim NH, Moon SM, Song KH, Kim ES, Jung J, Kim HB. Antibiotic Prescription in Patients With Coronavirus Disease 2019: Analysis of National Health Insurance System Data in the Republic of Korea. J Korean Med Sci 2023; 38:e189. [PMID: 37365725 DOI: 10.3346/jkms.2023.38.e189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/10/2023] [Indexed: 06/28/2023] Open
Abstract
BACKGROUND Although coronavirus disease 2019 (COVID-19) is a viral infection, antibiotics are often prescribed due to concerns about accompanying bacterial infection. Therefore, we aimed to analyze the number of patients with COVID-19 who received antibiotic prescriptions, as well as factors that influenced antibiotics prescription, using the National Health Insurance System database. METHODS We retrospectively reviewed claims data for adults aged ≥ 19 years hospitalized for COVID-19 from December 1, 2019 to December 31, 2020. According to the National Institutes of Health guidelines for severity classification, we calculated the proportion of patients who received antibiotics and the number of days of therapy per 1,000 patient-days. Factors contributing to antibiotic use were determined using linear regression analysis. In addition, antibiotic prescription data for patients with influenza hospitalized from 2018 to 2021 were compared with those for patients with COVID-19, using an integrated database from Korea Disease Control and Prevention Agency-COVID19-National Health Insurance Service cohort (K-COV-N cohort), which was partially adjusted and obtained from October 2020 to December 2021. RESULTS Of the 55,228 patients, 46.6% were males, 55.9% were aged ≥ 50 years, and most patients (88.7%) had no underlying diseases. The majority (84.3%; n = 46,576) were classified as having mild-to-moderate illness, with 11.2% (n = 6,168) and 4.5% (n = 2,484) having severe and critical illness, respectively. Antibiotics were prescribed to 27.3% (n = 15,081) of the total study population, and to 73.8%, 87.6%, and 17.9% of patients with severe, critical, and mild-to-moderate illness, respectively. Fluoroquinolones were the most commonly prescribed antibiotics (15.1%; n = 8,348), followed by third-generation cephalosporins (10.4%; n = 5,729) and beta-lactam/beta-lactamase inhibitors (6.9%; n = 3,822). Older age, COVID-19 severity, and underlying medical conditions contributed significantly to antibiotic prescription requirement. The antibiotic use rate was higher in the influenza group (57.1%) than in the total COVID-19 patient group (21.2%), and higher in severe-to-critical COVID-19 cases (66.6%) than in influenza cases. CONCLUSION Although most patients with COVID-19 had mild to moderate illness, more than a quarter were prescribed antibiotics. Judicious use of antibiotics is necessary for patients with COVID-19, considering the severity of disease and risk of bacterial co-infection.
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Affiliation(s)
- Yunsang Choi
- Division of Infectious Diseases, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Minsun Kang
- Artificial Intelligence and Big-Data Convergence Centre, Gil Medical Centre, Gachon University College of Medicine, Incheon, Korea
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea
| | - Dong Hoon Shin
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jongtak Jung
- Division of Infectious Diseases, Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Seong Jin Choi
- Division of Infectious Diseases, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Nak-Hyun Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Song Mi Moon
- Division of Infectious Diseases, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Kyoung-Ho Song
- Division of Infectious Diseases, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Eu Suk Kim
- Division of Infectious Diseases, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jaehun Jung
- Artificial Intelligence and Big-Data Convergence Centre, Gil Medical Centre, Gachon University College of Medicine, Incheon, Korea
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea
| | - Hong Bin Kim
- Division of Infectious Diseases, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
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21
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Ahn HY, Lee CH, Lee MK, Eom JS, Jeong YJ, Kim YD, Cho JS, Lee J, Lee SJ, Shin DH, Kim A. BRAF V600E Mutation of Non-Small Cell Lung Cancer in Korean Patients. Medicina (Kaunas) 2023; 59:1085. [PMID: 37374289 DOI: 10.3390/medicina59061085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/28/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023]
Abstract
Background and Objectives: BRAF mutational status in resected non-small cell lung cancer (NSCLC) in the Korean population is poorly understood. We explored BRAF (particularly BRAF V600E) mutational status among Korean patients with NSCLC. Materials and Methods: This study included 378 patients with resected primary NSCLC who were enrolled from January 2015 to December 2017. The authors obtained formalin-fixed paraffin-embedded (FFPE) tissue blocks and performed peptide nucleic acid (PNA)-clamping polymerase chain reaction (PCR) for detecting BRAF V600, real-time PCR for detecting BRAF V600E, and immunohistochemical analyses using the mutation-specific Ventana VE1 monoclonal antibody. For positive cases in any methods mentioned above, direct Sanger sequencing was additionally performed. Results: The PNA-clamping method revealed the BRAF V600 mutation in 5 (1.3%) of the 378 patients. Among these five patients, real-time PCR, direct Sanger sequencing detected BRAF V600E mutations in three (0.8%) patients. Thus, two cases showed differences in their PNA-clamping and the others. Direct Sanger sequencing of PNA-clamping PCR product was performed for two cases showing negative results on direct Sanger sequencing; both contained BRAF mutations other than V600E. All patients harboring BRAF mutations had adenocarcinomas, and all patients with V600E mutation exhibited minor micropapillary components. Conclusions: Despite the low incidence of the BRAF mutation among Korean patients with NSCLC, lung adenocarcinoma patients with micropapillary components should be prioritized in terms of BRAF mutation testing. Immunohistochemical staining using Ventana VE1 antibody may serve as a screening examination for BRAF V600E.
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Affiliation(s)
- Hyo Yeong Ahn
- School of Medicine, Pusan National University, Beomeori, Mulgeum-eop, Yangsan 50612, Republic of Korea
- Department of Thoracic and Cardiovascular Surgery, Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Chang Hun Lee
- School of Medicine, Pusan National University, Beomeori, Mulgeum-eop, Yangsan 50612, Republic of Korea
- Department of Pathology, Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Min Ki Lee
- School of Medicine, Pusan National University, Beomeori, Mulgeum-eop, Yangsan 50612, Republic of Korea
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Jung Seop Eom
- School of Medicine, Pusan National University, Beomeori, Mulgeum-eop, Yangsan 50612, Republic of Korea
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Yeon Joo Jeong
- School of Medicine, Pusan National University, Beomeori, Mulgeum-eop, Yangsan 50612, Republic of Korea
- Department of Radiology, Biomedical Research Institute, Yangsan Pusan National University Hospital, Busan 50612, Republic of Korea
| | - Yeong Dae Kim
- School of Medicine, Pusan National University, Beomeori, Mulgeum-eop, Yangsan 50612, Republic of Korea
- Department of Thoracic and Cardiovascular Surgery, Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Jeong Su Cho
- School of Medicine, Pusan National University, Beomeori, Mulgeum-eop, Yangsan 50612, Republic of Korea
- Department of Thoracic and Cardiovascular Surgery, Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Jonggeun Lee
- Department of Thoracic and Cardiovascular Surgery, Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - So Jeong Lee
- Department of Pathology, Seegene Medical Center, Busan 48792, Republic of Korea
| | - Dong Hoon Shin
- School of Medicine, Pusan National University, Beomeori, Mulgeum-eop, Yangsan 50612, Republic of Korea
- Department of Pathology, Biomedical Research Institute, Yangsan Pusan National University Hospital, Busan 50612, Republic of Korea
| | - Ahrong Kim
- School of Medicine, Pusan National University, Beomeori, Mulgeum-eop, Yangsan 50612, Republic of Korea
- Department of Pathology, Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
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22
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Lee JH, Kim YJ, Ryu HW, Shin SW, Kim EJ, Shin SH, Park JY, Kim SY, Hwang CS, Na JY, Shin DH, Kim JY, Lee HJ. Correction: B7-H3 expression is associated with high PD-L1 expression in clear cell renal cell carcinoma and predicts poor prognosis. Diagn Pathol 2023; 18:63. [PMID: 37194013 DOI: 10.1186/s13000-023-01356-2] [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: 05/18/2023] Open
Affiliation(s)
- Jung Hee Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - Yong Jun Kim
- School of Medicine, Pusan National University, Yangsan, Korea
| | - Hyun Woo Ryu
- School of Medicine, Pusan National University, Yangsan, Korea
| | - Seung Won Shin
- School of Medicine, Pusan National University, Yangsan, Korea
| | - Eun Ji Kim
- School of Medicine, Pusan National University, Yangsan, Korea
| | - So Hyun Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - Joon Young Park
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - So Young Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - Chung Su Hwang
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - Joo-Young Na
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - Dong Hoon Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - Jee Yeon Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - Hyun Jung Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea.
- The Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.
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Kwon HM, Yim JE, Kim HR, Shin DH, Choi JS, Bae YK, Choi JH. Intradermal Low-Fat Spindle Cell Lipoma: A Case Report. Ann Dermatol 2023; 35:S10-S13. [PMID: 37853856 PMCID: PMC10608367 DOI: 10.5021/ad.21.051] [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] [Received: 02/22/2021] [Accepted: 04/22/2021] [Indexed: 10/20/2023] Open
Abstract
Spindle cell lipoma is a rare benign neoplasm that features a mixture of evenly aligned spindle cells, mature adipocytes, and ropey collagen. Most cases of spindle cell lipoma are found in the subcutaneous tissue, and intradermal spindle cell lipoma is rarely reported. We present a case of intradermal spindle cell lipoma in a 46-year-old female who presented with a 0.7-cm flesh-colored and dome-shaped nodule on the right temple that had developed 6 years ago. This mass was excised, and upon histopathologic examination, an unencapsulated lesion was located in the dermis, which consisted of bland spindle cells, scanty mature adipocytes, rare lipoblasts, and ropey collagen bundles with prominent basophilic myxoid stroma. Immunohistochemical staining showed diffuse positivity for CD34, negativity for the S-100 protein, and loss of retinoblastoma protein expression. Based on these features, intradermal low-fat spindle cell lipoma was diagnosed. No evidence of local recurrence was observed 4 months after excision. Intradermal low-fat spindle cell lipomas are extremely rare and can easily be mistaken for tumors that have similar clinical and histopathological findings. Herein, we report a globally rare case of an intradermal low-fat spindle cell lipoma.
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Affiliation(s)
- Hyeong Mok Kwon
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Jung Eun Yim
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Hye Ri Kim
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Dong Hoon Shin
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea.
| | - Jong Soo Choi
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Young Kyung Bae
- Department of Pathology, Yeungnam University College of Medicine, Daegu, Korea
| | - Joon Hyuk Choi
- Department of Pathology, Yeungnam University College of Medicine, Daegu, Korea
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24
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Yim JE, Kwon HM, Kim HR, Shin DH, Choi JS, Choi JH, Bae YK. Superficial CD34-Positive Fibroblastic Tumor: Two Case Reports. Ann Dermatol 2023; 35:S25-S29. [PMID: 37853859 PMCID: PMC10608372 DOI: 10.5021/ad.20.328] [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] [Received: 12/18/2020] [Revised: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 10/20/2023] Open
Abstract
Superficial CD34-positive fibroblastic tumor (SCPFT) is a recently described disease entity characterized by marked nuclear pleomorphism, low mitotic count, and diffuse CD34 positivity. It is a rare, distinctive, low-grade fibroblastic neoplasm. To date, only 44 cases have been reported in the English-language literature. Herein, we report two cases of SCPFT involving a 48-year-old male and a 22-year-old male with superficial tumors on the right and left thighs, respectively. Excision was performed in both cases. Histologically, both tumors showed spindle-to-epithelioid cells arranged in fascicular or sheet-like patterns. Most cells displayed granular or eosinophilic glassy cytoplasm, marked nuclear pleomorphism, and a low mitotic rate. On immunohistochemical staining, tumor cells were diffusely positive for CD34 and negative for S100 protein, smooth muscle actin, and desmin. After wide excision, neither patient experienced recurrence or metastasis after 16 months and 11 months of clinical follow-up, respectively. To the best of our knowledge, these are the first two cases of SCPFT reported in Korea. We believe these case reports would contribute to the clinicopathological understanding of SCPFT and assist clinicians in differentiating this tumor from other superficial soft tissue neoplasms.
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Affiliation(s)
- Jung Eun Yim
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Hyeong Mok Kwon
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Hye Ri Kim
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Dong Hoon Shin
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea.
| | - Jong Soo Choi
- Department of Dermatology, Yeungnam University College of Medicine, Daegu, Korea
| | - Joon Hyuk Choi
- Department of Pathology, Yeungnam University College of Medicine, Daegu, Korea
| | - Young Kyung Bae
- Department of Pathology, Yeungnam University College of Medicine, Daegu, Korea
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25
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Kim J, Seo M, Fujita H, Chai JY, Park JW, Jang JW, Jang IS, Shin DH. A parasitological study on the possible toilet ruins of the Japanese colonial period in Korea. Parasites Hosts Dis 2023; 61:198-201. [PMID: 37258267 DOI: 10.3347/phd.23013] [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] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/13/2023] [Indexed: 06/02/2023]
Abstract
In the past decade, experts have conducted parasitological research on archaeological specimens in Korea to collect historical parasite infection data. In these studies, parasitologists successfully described the infection pattern of each parasite species in history. However, in the first half of the 20th century, archaeoparasitological reports have been scant. In 2021, we conducted a parasitological examination of a toilet-like structure that emerged in the early 20th century. This structure was built by stacking 2 wooden barrels; and in the study samples, we found ancient Trichuris trichiura, Ascaris lumbricoides (unfertilized), and Taenia spp. eggs and therefore proposed a higher possibility that the barrels could have been used as a toilet at the time. To understand how the antihelminthic campaign since the 1960s helped reduce parasite infection rates in Korea, more research should focus on early-20th-century toilet ruins.
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Affiliation(s)
- Jieun Kim
- Department of Anatomy, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Min Seo
- Department of Parasitology, Dankook University College of Medicine, Cheonan 31116, Korea
| | - Hisashi Fujita
- Institute for the Study of Ancient Civilizations and Cultural Resourses, Kanazaawa University, Ishikawa 920-1192, Japan
- Paleo Labo, Co. Ltd., Saitama 335-0016, Japan
| | - Jong Yil Chai
- Department of Tropical Medicine and Parasitology, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Jin Woo Park
- Korea Research Institute of Military Heritage, Seoul, Korea
| | - Jun Won Jang
- Korea Research Institute of Military Heritage, Seoul, Korea
| | - In Soo Jang
- Korea Research Institute of Military Heritage, Seoul, Korea
| | - Dong Hoon Shin
- Department of Anatomy, Seoul National University College of Medicine, Seoul 03080, Korea
- Institute of Forensic Science, Seoul National University College of Medicine, Seoul 03080, Korea
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26
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Shin DH, Yang X, Caneva S. Single-Molecule Protein Fingerprinting with Photonic Hexagonal Boron Nitride Nanopores. Acc Mater Res 2023; 4:307-310. [PMID: 37151913 PMCID: PMC10152444 DOI: 10.1021/accountsmr.3c00016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Indexed: 05/09/2023]
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27
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Oh CS, Kim MJ, Kim YS, Min S, Oh KT, Lee SD, Shin DH. Revealing Joseon period People's single nucleotide polymorphism associated with lactase gene by ancient DNA analysis of human remains from archaeological sites in Korea. Anat Cell Biol 2023; 56:54-60. [PMID: 36450657 PMCID: PMC9989794 DOI: 10.5115/acb.22.178] [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] [Received: 09/11/2022] [Revised: 11/08/2022] [Accepted: 11/10/2022] [Indexed: 12/05/2022] Open
Abstract
Lactase non-persistence (LNP), one of the causes of lactose intolerance, is related to lactase gene associated single nucleotide polymorphisms (SNPs). Since the frequency of LNP varies by ethnic group and country, the research to reveal the presence or absence of LNP for specific people has been conducted worldwide. However, in East Asia, the study of lactase gene associated SNPs have not been sufficiently examined so far using ancient human specimens from archaeological sites. In our study of Joseon period human remains (n=14), we successfully revealed genetic information of lactase gene associated SNPs (rs1679771596, rs41525747, rs4988236, rs4988235, rs41380347, rs869051967, rs145946881 and rs182549), further confirming that as for eight SNPs, the pre-modern Korean people had a lactase non-persistent genotype. Our report contributes to the establishment of LNP associated SNP analysis technique that can be useful in forthcoming studies on human bones and mummy samples from East Asian archaeological sites.
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Affiliation(s)
- Chang Seok Oh
- Department of Mortuary Science, College of Bio-Convergence, Eulji University, Seongnam, Korea
| | - Myeung Ju Kim
- Department of Anatomy, Dankook University College of Medicine, Cheonan, Korea
| | - Yi-Suk Kim
- Catholic Institute for Applied Anatomy, Department of Anatomy, Colllege of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sori Min
- Nuri Institute of Archaeology, Gongju, Korea
| | | | - Soong Deok Lee
- Department of Forensic Medicine, Seoul National University College of Medicine, Seoul, Korea.,Institute of Forensic and Anthropological Science, Seoul National University College of Medicine, Seoul, Korea
| | - Dong Hoon Shin
- Institute of Forensic and Anthropological Science, Seoul National University College of Medicine, Seoul, Korea.,Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, Korea
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28
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Jung P, Kim HW, Park SB, Kang DH, Choi CW, Kim SJ, Nam HS, Ryu DG, Shin DH, Na JY, Yun MS. Clinical and endoscopic characteristics of sessile serrated lesions with dysplasia/carcinoma. Korean J Intern Med 2023; 38:349-361. [PMID: 36967594 PMCID: PMC10175875 DOI: 10.3904/kjim.2022.322] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 12/26/2022] [Indexed: 03/29/2023] Open
Abstract
BACKGROUND/AIMS Some sessile serrated lesions (SSLs) progress into dysplasia and colorectal cancer, however, the clinical and endoscopic characteristics of SSLs with dysplasia remain to be determined. In this study, we elucidated these characteristics in SSLs with dysplasia/carcinoma, compared with those of SSLs without dysplasia. METHODS We retrospectively collected the clinical, endoscopic, and pathological data of 254 SSLs from 216 patients endoscopically resected between January 2009 and December 2020. RESULTS All SSLs included 179 without dysplasia and 75 with dysplasia/carcinoma, including 55 with low-grade dysplasia, 10 with high-grade dysplasia, and 10 with submucosal cancer. In clinical characteristics, SSLs with dysplasia/carcinoma were significantly associated with advanced age, metabolic diseases, and high-risk adenomas. In endoscopic characteristics, SSLs with dysplasia/carcinoma were significantly associated with the distal colon, large size, polypoid morphology, surface-changes, no mucus cap, and narrow-band imaging international colorectal endoscopic classification (NICE) type 2/3. In the multivariate analysis, high-risk adenomas (odds ratio [OR], 2.98; p = 0.01), large size (OR, 1.18; p < 0.01), depression (OR, 11.74; p = 0.03), and NICE type 2/3 (OR, 14.97; p < 0.01) were significantly associated with SSLs with dysplasia/carcinoma. CONCLUSIONS SSLs had a higher risk of dysplasia in the distal colon than in the proximal colon. SSLs with large size, depression, and adenomatous surface-patterns, as well as those in patients with high-risk adenomas, increased the risk of dysplasia/ carcinoma. This suggests that the clinical and endoscopic characteristics can aid in the diagnosis and management of SSLs with dysplasia/carcinoma.
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Affiliation(s)
- Peel Jung
- Department of Internal Medicine, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Hyung Wook Kim
- Department of Internal Medicine, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Su Bum Park
- Department of Internal Medicine, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Dae Hwan Kang
- Department of Internal Medicine, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Cheol Woong Choi
- Department of Internal Medicine, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Su Jin Kim
- Department of Internal Medicine, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Hyeong Seok Nam
- Department of Internal Medicine, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Dae Gon Ryu
- Department of Internal Medicine, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Dong Hoon Shin
- Department of Pathology, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Joo Young Na
- Department of Pathology, Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Mi Sook Yun
- Division of Biostatistics and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
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29
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Lee JH, Kim YJ, Ryu HW, Shin SW, Kim EJ, Shin SH, Park JY, Kim SY, Hwang CS, Na JY, Shin DH, Kim JY, Lee HJ. B7-H3 expression is associated with high PD-L1 expression in clear cell renal cell carcinoma and predicts poor prognosis. Diagn Pathol 2023; 18:36. [PMID: 36894965 PMCID: PMC9996938 DOI: 10.1186/s13000-023-01320-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 02/27/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND Clear cell Renal cell carcinoma (ccRCC) is an immunogenic tumor. B7 family members, such as CTLA-4, PD-1, and PD-L1, are the main components of immune checkpoints that regulate various immune responses. Specifically, B7-H3 regulates T cell-mediated immune responses against cancer. This study aimed to analyze the association between B7-H3 and CTLA-4 expression and the prognostic factors of ccRCC to provide a basis for their potential use as predictive factors and in immunotherapy. METHODS Formalin-fixed paraffin-embedded specimens were obtained from 244 ccRCC patients, and B7-H3, CTLA-4, and PD-L1 expressions were evaluated using immunohistochemical staining. RESULTS B7-H3 and CTLA-4 were positive in 73 (29.9%) and 57 (23.4%) of the 244 patients, respectively. B7-H3 expression was significantly associated with PD-L1 expression (P < 0.0001); however, CTLA-4 expression was not (P = 0.842). Kaplan-Meier analysis showed that positive B7-H3 expression was associated with poor progression-free survival (PFS) (P < 0.0001), whereas CTLA-4 expression was not (P = 0.457). Multivariate analysis revealed that B7-H3 was correlated with poor PFS (P = 0.031), whereas CTLA-4 was not (P = 0.173). CONCLUSIONS To the best of our knowledge, this study is the first to investigate B7-H3 and PD-L1 expression and survival in ccRCC. B7-H3 expression is an independent prognostic factor for ccRCC. Furthermore, multiple immune cell inhibitory targets, such as B7-H3 and PD-L1, can be used for therapeutic tumor regression in a clinical setting.
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Affiliation(s)
- Jung Hee Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Beomeo-ri, Mulgeum-eup, Yangsan, 50612, South Korea
| | - Yong Jun Kim
- School of Medicine, Pusan National University, Yangsan, South Korea
| | - Hyun Woo Ryu
- School of Medicine, Pusan National University, Yangsan, South Korea
| | - Seung Won Shin
- School of Medicine, Pusan National University, Yangsan, South Korea
| | - Eun Ji Kim
- School of Medicine, Pusan National University, Yangsan, South Korea
| | - So Hyun Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Beomeo-ri, Mulgeum-eup, Yangsan, 50612, South Korea
| | - Joon Young Park
- Department of Pathology, Pusan National University Yangsan Hospital, Beomeo-ri, Mulgeum-eup, Yangsan, 50612, South Korea
| | - So Young Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Beomeo-ri, Mulgeum-eup, Yangsan, 50612, South Korea
| | - Chung Su Hwang
- Department of Pathology, Pusan National University Yangsan Hospital, Beomeo-ri, Mulgeum-eup, Yangsan, 50612, South Korea
| | - Joo-Young Na
- Department of Pathology, Pusan National University Yangsan Hospital, Beomeo-ri, Mulgeum-eup, Yangsan, 50612, South Korea
| | - Dong Hoon Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Beomeo-ri, Mulgeum-eup, Yangsan, 50612, South Korea
| | - Jee Yeon Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Beomeo-ri, Mulgeum-eup, Yangsan, 50612, South Korea
| | - Hyun Jung Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Beomeo-ri, Mulgeum-eup, Yangsan, 50612, South Korea. .,The Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yang San, South Korea.
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30
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Shin SH, Park JY, Hwang C, Lee HJ, Shin DH, Kim JY, Ryu JH, Yang KH, Lee TB, Lee JH. Histological subtypes of hepatocellular carcinoma: Their clinical and prognostic significance. Ann Diagn Pathol 2023; 64:152134. [PMID: 37004359 DOI: 10.1016/j.anndiagpath.2023.152134] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/26/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023]
Abstract
Assigning a hepatocellular carcinoma (HCC) to an appropriate subtype is important because this guarantees the diagnosis and treatment and allows decisions regarding the prognosis of the patient. HCC subtyping is usually based on the World Health Organization (WHO) classification and the 2019 fifth edition is the latest version. However, the WHO classification system is still in evolution and has limited clinical relevance. We aimed to evaluate the clinical relevance of HCC subtyping and to reappraise some of the major subtypes of HCC. Our archived cases (n = 589) were reclassified according to the 2019 WHO system. The percentage of each subtype was mostly similar to that in the WHO classification. However, on the contrary to the 2019 WHO system, clear cell type HCC was associated with more frequent recurrence or metastasis. Meanwhile, macrotrabecular massive HCC was related to poor prognosis as demonstrated in the 2019 WHO system and should be described in the pathology report. For steatohepatitic HCC, there is a debate on whether it is a true subtype because the steatohepatitis morphology may or may not be present in the background liver. In our study, 44 % of steatohepatitic HCCs (n = 19/43) presented underlying steatohepatitis. Additionally, the background cirrhosis did not influence survival in the HCC patients, although the 2019 WHO system indicates the presence of cirrhosis as a poor prognostic factor. In conclusion, although it is not perfect yet, HCC subtyping based on the 2019 WHO system provides valuable information to manage patients with HCC.
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Affiliation(s)
- So Hyun Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea
| | - Joon Young Park
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea
| | - Chungsu Hwang
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea
| | - Hyun Jung Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea
| | - Dong Hoon Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea
| | - Jee Yeon Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea
| | - Je Ho Ryu
- Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea
| | - Kwang Ho Yang
- Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea
| | - Tae Beom Lee
- Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea
| | - Jung Hee Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do 50612, Republic of Korea.
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31
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Choi S, Lee JH, Shin DH, Wu W, Huang X, Hong C, Jun JY. Effect of adenosine-1 receptor activation on pacemaker activity of interstitial cells of Cajal from mouse colon. Cell Mol Biol (Noisy-le-grand) 2023; 69:67-73. [PMID: 37224044 DOI: 10.14715/cmb/2023.69.2.11] [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: 12/12/2022] [Indexed: 05/26/2023]
Abstract
Adenosine plays an important role on gastrointestinal (GI) motility through adenosine receptors. Interstitial cells of Cajal (ICC) are pacemaker cells that regulate GI smooth muscle activity. The functional role and its signal mechanism of adenosine on the pacemaker activity were investigated using whole-cell patch clamp, RT-PCR, and intracellular Ca2+-imaging with ICC from mouse colon. Adenosine depolarized the membrane potentials and increased the pacemaker potential frequency, which was blocked by a selective A1-receptor antagonist, but not A2a-, A2b, or A3-receptor antagonist. A selective A1 receptor agonist represented similar effects as those of adenosine and mRNA transcript of A1-receptor was expressed in ICC. The adenosine-induced effects were blocked by phospholipase C (PLC) and a Ca2+-ATPase inhibitor. Adenosine increased spontaneous intracellular Ca2+ oscillations, as seen fluo4/AM. Both hyperpolarization-activated cyclic nucleotide (HCN) channel inhibitors and adenylate cyclase inhibitors blocked the adenosine-induced effects. And adenosine increased the basal cellular adenylate cyclase activity in colonic ICC. However, adenosine and adenylate cyclase inhibitors did not show any influence on pacemaker activity in small intestinal ICC for a comparison with that of the small intestine. These results suggest adenosine modulates the pacemaker potentials by acting HCN channels- and intracellular Ca2+- dependent mechanisms through A1-receptor. Therefore, adenosine may be a therapeutic target in colonic motility disorders.
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Affiliation(s)
- Seok Choi
- Department of Physiology, College of Medicine, Chosun University, Gwangju, Republic of Korea.
| | - Jun Hyung Lee
- Department of Internal Medicine, College of Medicine, Chosun University, Gwangju, Republic of Korea.
| | - Dong Hoon Shin
- Department of Physiology, College of Medicine, Chosun University, Gwangju, Republic of Korea.
| | - Wenhao Wu
- Department of Physiology, College of Medicine, Chosun University, Gwangju, Republic of Korea.
| | - Xingyou Huang
- Department of Physiology, College of Medicine, Chosun University, Gwangju, Republic of Korea.
| | - Chansik Hong
- Department of Physiology, College of Medicine, Chosun University, Gwangju, Republic of Korea.
| | - Jae Yeoul Jun
- Department of Physiology, College of Medicine, Chosun University, Gwangju, Republic of Korea.
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Oh CS, Chai JY, Min S, Oh KT, Seol J, Song MK, Shin DH, Seo M. Updates on parasite infection prevalence in the Joseon period based on parasitological studies of human coprolites isolated from archaeological sites in the cities of Euijeongbu, Gumi, and Wonju. Korean J Parasitol 2023; 61:89-93. [PMID: 37170469 DOI: 10.3347/phd.22129] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 12/15/2022] [Indexed: 03/02/2023]
Abstract
Parasite infection rates estimated by examining ancient coprolites can provide insights into parasitism in Joseon society. Using newly discovered Joseon period cases is essential to regularly update the parasite infection rates and reinforce the reliability of our previous estimations. In the present study, we investigated parasite infections in Joseon coprolites newly isolated from the cities of Euijeongbu, Gumi, and Wonju. We then updated the overall parasite infection rates of Joseon period samples (<i>n</i>= 30) as follows: 86.7% (26/30) for <i>Trichuris trichiura</i>, 56.7% (17/30) for <i>Ascaris lumbricoides</i>, 30.0% (9/30) for <i>Clonorchis sinensis</i>, and 30.0% (9/30) for <i>Paragonimus westermani</i>. The parasite infection rates in the Joseon society, estimated through coprolite examination, were very similar to those determined previously despite the addition of new cases to the existing data pool.
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Yoo WH, Kim SR, Kim SH, Lee J, Mok J, Shin DH, Ahn HY, Eom JS. Stability and safety of transbronchial dye mixture for preoperative localization in a porcine model. Thorac Cancer 2023; 14:834-839. [PMID: 36724807 PMCID: PMC10040278 DOI: 10.1111/1759-7714.14814] [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] [Received: 12/29/2022] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 02/03/2023] Open
Abstract
OBJECTIVE For thoracoscopy, the usefulness of a dye mixture of indigo carmine and Lipiodol for localizing lung lesions has been reported. However, little is known about the stability and safety of this dye mixture injected on the visceral pleura through a bronchoscope. METHODS Porcine models were divided into three groups according to the detection time of the dye mixture: group A with a detection time of 4 h; group B, 8 h; and group C, 24 h. A dye mixture of indigo carmine and Lipiodol (0.5 mL each) was sprayed onto the visceral pleura both in the ventral and dorsal regions via a spray catheter. RESULTS Twelve markings were created on the visceral pleura of the porcine lung (six ventral and six dorsal) in the six porcine models. At predetermined detection times, all 12 dye markings (100%) were visible on the visceral pleura. The mean longest diameter of the dye marking in the ventral and dorsal regions was 18.8 mm and 24.3 mm, respectively. In groups B and C, pathological changes in the lymphatic system, such as lymphatic dilatations, were found; minimal changes were found in group B, however, these changes with oval-shaped lymphatic cysts and Lipiodol accumulation, were more evident in group C. CONCLUSIONS The dye mixture of indigo carmine and Lipiodol had reliable stability and visibility. In terms of safety, it may be necessary to check the dye mixture on the lung surface within 8 h.
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Affiliation(s)
- Wan Ho Yoo
- Department of Internal Medicine, Pusan National University Hospital, Busan, South Korea
| | - Sae Rom Kim
- Department of Internal Medicine, Pusan National University Hospital, Busan, South Korea
| | - Soo Han Kim
- Department of Internal Medicine, Pusan National University Hospital, Busan, South Korea
| | - Jongggeun Lee
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Busan, South Korea
| | - Jeongha Mok
- Department of Internal Medicine, Pusan National University Hospital, Busan, South Korea
| | - Dong Hoon Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Hyo Yeong Ahn
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Busan, South Korea.,Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Jung Seop Eom
- Department of Internal Medicine, Pusan National University Hospital, Busan, South Korea.,Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
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Hwang C, Lee HJ, Na JY, Kim KH, Song YJ, Kim JY, Kim K, Shin DH, Park JY, Kim SY, Lee JH, Choi KU. The stromal tumor-infiltrating lymphocytes, cancer stemness, epithelial-mesenchymal transition, and B7-H4 expression in ovarian serous carcinoma. J Ovarian Res 2023; 16:3. [PMID: 36609273 PMCID: PMC9825048 DOI: 10.1186/s13048-022-01076-z] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 12/12/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND B7-H4 is expressed in various types of cancers and its expression inversely correlates with the degree of tumor-infiltrating lymphocytes (TILs). Studies have shown the relationship between B7-H4, cancer stem cell (CSC) properties, and epithelial-mesenchymal transition (EMT) in various cancers. However, very few studies have investigated the relationship between B7-H4, TILs, cancer stemness, and EMT in epithelial ovarian cancer (EOC). The present study aimed to elucidate whether B7-H4 is involved in immune evasion and examine whether B7-H4 is associated with cancer stemness or EMT in ovarian serous carcinoma, the most common type of EOC. The clinical significance of B7-H4 was also investigated to evaluate its potential as a therapeutic target. METHODS A total of 145 patients included in this study. The degree of stromal TILs was evaluated using hematoxylin and eosin (H&E)-stained slides. Immunohistochemical analysis of B7-H4, CSC-related biomarkers (CD24, CD44s, CD133, and ALDH1), and EMT-related biomarkers (E-cadherin, N-cadherin, and vimentin) was performed using tissue microarray. qRT-PCR for VTCN1, CD24, CD44, PROM1, ALDH1, CDH1, CDH2, and VIM genes was performed on 38 frozen tissue samples. The mRNA expression levels were analyzed using Gene Expression Profiling Interactive Analysis (GEPIA) online analysis tool. RESULTS B7-H4 protein expression positively correlated with the degree of stromal TILs. CD24, CD44s, and CD133 expression showed a positive correlation with B7-H4 expression at both the protein and mRNA levels, but ALDH1 correlated only at the protein level. E-cadherin expression was positively correlated with B7-H4 expression at both the protein and mRNA levels. N-cadherin and vimentin expression was inversely related to B7-H4 expression only at the mRNA level. B7-H4 positive patients were associated with higher tumor grade and lower overall survival rate than B7-H4 negative patients, especially in ovarian serous carcinoma with low stromal TILs. CONCLUSIONS The present study demonstrates that B7-H4 may not be involved in the immune evasion mechanism, but is involved in cancer stemness and mesenchymal-epithelial transition. In addition, B7-H4 may be a therapeutic target for the treatment of ovarian serous carcinoma, especially with low stromal TILs.
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Affiliation(s)
- Chungsu Hwang
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National Yangsan Hospital, 20, Geumo-Ro, Mulguem-Eup, Yangsan-Si, Gyeongsangnam-Do South Korea
| | - Hyun Jung Lee
- grid.412591.a0000 0004 0442 9883Department of Pathology, Pusan National University Yangsan Hospital, 20, Geumo-Ro, Mulguem-Eup, Yangsan-Si, Gyeongsangnam-Do South Korea
| | - Ju-Young Na
- grid.412591.a0000 0004 0442 9883Department of Pathology, Pusan National University Yangsan Hospital, 20, Geumo-Ro, Mulguem-Eup, Yangsan-Si, Gyeongsangnam-Do South Korea
| | - Ki Hyung Kim
- grid.412588.20000 0000 8611 7824Department of Obstetrics and Gynecology, Pusan National University Hospital, 179 Gudeok-Ro, Seo-Gu, Busan, 49241 South Korea
| | - Yong Jung Song
- grid.412591.a0000 0004 0442 9883Department of Obstetrics and Gynecology, Pusan National University Yangsan Hospital, 20, Geumo-Ro, Mulguem-Eup, Yangsan-Si, Gyeongsangnam-Do South Korea
| | - Jee Yeon Kim
- grid.412591.a0000 0004 0442 9883Department of Pathology, Pusan National University Yangsan Hospital, 20, Geumo-Ro, Mulguem-Eup, Yangsan-Si, Gyeongsangnam-Do South Korea
| | - Kyungbin Kim
- grid.262229.f0000 0001 0719 8572Department of Pathology, Pusan National University Hospital and Pusan National University School of Medicine, 179 Gudeok-Ro, Seo-Gu, Busan, 49241 South Korea
| | - Dong Hoon Shin
- grid.412591.a0000 0004 0442 9883Department of Pathology, Pusan National University Yangsan Hospital, 20, Geumo-Ro, Mulguem-Eup, Yangsan-Si, Gyeongsangnam-Do South Korea
| | - Joon Young Park
- grid.412591.a0000 0004 0442 9883Department of Pathology, Pusan National University Yangsan Hospital, 20, Geumo-Ro, Mulguem-Eup, Yangsan-Si, Gyeongsangnam-Do South Korea
| | - So Young Kim
- grid.412591.a0000 0004 0442 9883Department of Pathology, Pusan National University Yangsan Hospital, 20, Geumo-Ro, Mulguem-Eup, Yangsan-Si, Gyeongsangnam-Do South Korea
| | - Jung Hee Lee
- grid.412591.a0000 0004 0442 9883Department of Pathology, Pusan National University Yangsan Hospital, 20, Geumo-Ro, Mulguem-Eup, Yangsan-Si, Gyeongsangnam-Do South Korea
| | - Kyung Un Choi
- grid.262229.f0000 0001 0719 8572Department of Pathology, Pusan National University Hospital and Pusan National University School of Medicine, 179 Gudeok-Ro, Seo-Gu, Busan, 49241 South Korea
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Kwon HS, Shin DH, Kim SY, Hwang CS, Kim A, Lee HJ, Na J, Lee JH, Kim JY. DNA Extracted from Cytologic Slides Is a Valuable Source for PCR-Based Molecular Tests. Acta Cytol 2023; 67:92-99. [PMID: 36455541 PMCID: PMC9872841 DOI: 10.1159/000526634] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 08/16/2022] [Indexed: 12/03/2022]
Abstract
INTRODUCTION DNA extracted from cytologic samples is occasionally used for various molecular tests. The aim of this study was to evaluate DNA extracted from differently prepared cytologic slides that can be used for PCR-based molecular tests. METHODS For each 23 cases of papillary thyroid carcinoma or colorectal adenocarcinoma tissues, six touch-imprinted cytological slides were prepared (group 1∼3), and remnant tissues were blocked for FFPE tissue (group 4). Cytologic slides were grouped by preparation methods: air-dried slides (group 1), fixed slides (group 2), and stained slides (group 3). Fixed slides were classified as 95% ethanol fixed (group 2A) and CytoRich Red Preservative solution fixed (group 2B). Stained slides were divided in 3 ways: Giemsa, Pap, and H&E stained (group 3A, 3B, and 3C, respectively). DNA extracted from each group was evaluated for concentration, 260/280 ratio, DNA Integrity Number (DIN) value, and mutation. RESULTS DNA concentration was highest in group 1 and lowest in group 2B. DIN value was highest in group 2A and lowest in group 2B. A mutation of BRAF or KRAS genes was detected in 18 FFPE tissue samples. Matched DNA extracts from groups 1, 2A, and 3 produced results consistent with FFPE tissue results, while mutation testing was successful for only four samples of DNA from group 2B. CONCLUSION The mutation tests worked well for most samples except CytoRich Red Preservative-fixed slides. This study indicates that stained and unstained cytologic slides are a suitable source of PCR-based molecular tests as long as they are fixed in ethanol or stored for a short time in an air-dried condition.
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Koh E, Lee DY, Yoo D, Kim MJ, Lee IS, Hong JH, Park SJ, Kim J, Cha SC, Lee H, Oh CS, Shin DH. Revisiting diaphragmatic hernia of Joseon period Korean mummy by three-dimensional liver and heart segmentation and model reconstruction. Anat Cell Biol 2022; 55:507-511. [PMID: 35948525 PMCID: PMC9747339 DOI: 10.5115/acb.22.092] [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: 05/02/2022] [Accepted: 05/27/2022] [Indexed: 01/02/2023] Open
Abstract
A three-dimensional (3D) segmentation and model reconstruction is a specialized tool to reveal spatial interrelationship between multiple internal organs by generating images without overlapping structures. This technique can also be applicable to mummy studies, but related reports have so far been very rare. In this study, we applied 3D segmentation and model reconstruction to computed tomography images of a Korean mummy with congenital diaphragmatic hernia. As originally revealed by the autopsy in 2013, the current 3D reconstruction reveals that the mummy's heart is shifted to the left due to the liver pushing up to thoracic cavity thorough diaphragmatic hernial defect. We can generate 3D images by calling up the data exclusively from mummy's target organs, thus minimizing the confusion of diagnosis that could be caused by overlapping organs.
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Affiliation(s)
- Ensung Koh
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, Korea
| | - Da Yeong Lee
- Data Science Division, MEDICALIP Co. Ltd., Seoul, Korea
| | - Dongsoo Yoo
- Department of Radiology, Dankook University College of Medicine, Cheonan, Korea
| | - Myeung Ju Kim
- Department of Anatomy, Dankook University College of Medicine, Cheonan, Korea
| | - In Sun Lee
- Department of Radiology, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jong Ha Hong
- Institute of Korean Archaeology and Ancient History, Kyung Hee University, Seoul, Korea
| | - Sang Joon Park
- Department of Radiology, Seoul National University College of Medicine, Seoul, Korea
| | - Jieun Kim
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, Korea
| | - Soon Chul Cha
- Seorabeol Institute of Cultural Heritage, Gyeongju, Korea
| | - Hyejin Lee
- Department of Forensic Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Chang Seok Oh
- Department of Mortuary Science, College of Bio-Convergence, Eulji University, Seongnam, Korea
| | - Dong Hoon Shin
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, Korea,Institute of Forensic and Anthropological Science, Seoul National University College of Medicine, Seoul, Korea,Corresponding author: Dong Hoon Shin, Institute of Forensic and Anthropological Science, Seoul National University College of Medicine, Seoul 03080, Korea, E-mail:
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Ryu JY, Yoon AY, Park YK, Lee WJ, Song MK, Hong JH, Park EJ, Cha SC, Yoo D, Kim MJ, Shin DH. A portrait drawing of the 17th century Korean scholar based on craniofacial reconstruction. Anat Cell Biol 2022; 55:512-519. [PMID: 35934690 PMCID: PMC9747348 DOI: 10.5115/acb.22.094] [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: 05/09/2022] [Revised: 06/16/2022] [Accepted: 06/16/2022] [Indexed: 01/02/2023] Open
Abstract
As a technique mainly hiring in forensic investigation field to identify the descents, craniofacial reconstruction (CFR) is also used in archaeology to create the faces from ancient or medieval human remains, when there is little information about his/her appearance. Eung-Cheok Ko (1531-1605) was a writer and scholar in the mid Joseon period. In January of 2019, His mummified body was found at Gumi, Kyeonsangbuk-do, Korea. The remains were anthropologically examined, and archaeological CFR was also requested for this case. This report reveals the case's facial reconstruction process and his portrait that is drawn based on the 3-dimensional CFR result.
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Affiliation(s)
- Joon Yeol Ryu
- Department of Forensic Medicine, National Forensic Service, Wonju, Korea
| | - A Young Yoon
- Visual Communication Design, Sungkyunkwan University, Seoul, Korea
| | - Yeon Kyung Park
- Department of Forensic Medicine, National Forensic Service, Wonju, Korea
| | - Won Joon Lee
- Department of Forensic Medicine, National Forensic Service Seoul Institute, Seoul, Korea,Corresponding author: Won Joon Lee, Department of Forensic Medicine, National Forensic Service Seoul Institute, Seoul 08036, Korea, E-mail:
| | - Mi Kyung Song
- Department of Fashion Design & Marketing, Seoul Women’s University, Seoul, Korea
| | - Jong Ha Hong
- Institute of Korean Archaeology and Ancient History, Kyung Hee University, Seoul, Korea
| | | | - Soon Chul Cha
- Seorabeol Institute of Cultural Heritage, Gyeongju, Korea
| | - Dongsoo Yoo
- Department of Diagnostic Radiology, Dankook University College of Medicine, Cheonan, Korea
| | - Myeung Ju Kim
- Department of Anatomy, Dankook University College of Medicine, Cheonan, Korea
| | - Dong Hoon Shin
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, Korea,Corresponding author: Won Joon Lee, Department of Forensic Medicine, National Forensic Service Seoul Institute, Seoul 08036, Korea, E-mail:
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Kim YJ, Choi SH, Kim TY, Park HM, Shin DJ, Shin DH. Factors associated with functional disability in patients with acute stroke excluded from alteplase administration due to minor non-disabling neurological deficits. Front Neurol 2022; 13:1062721. [PMID: 36619931 PMCID: PMC9815960 DOI: 10.3389/fneur.2022.1062721] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 11/30/2022] [Indexed: 12/24/2022] Open
Abstract
Background Although the PRISMS study did not demonstrate the benefit of intravenous alteplase administration in patients with mild stroke within 3 h, about 30% of patients presenting with mild symptoms showed unfavorable functional outcomes. We investigated the factors predictive of functional disability at 90 days in patients who were excluded from alteplase administration due to the National Institutes of Health Stroke Scale (NIHSS) scores of 0-5 and a score between 0 and 2 for each NIHSS score item. Methods All patients were diagnosed with acute ischemic stroke or transient ischemic attack within 4.5 h of admission to a tertiary hospital and did not receive alteplase due to a minor stroke between January 2013 and December 2020. Radiological data and clinical information were collected, including baseline and discharge NIHSS scores and modified Rankin Scale (mRS) scores at 90 days. Early neurological deterioration (END) was defined as an increase of two or more NIHSS scores. We defined moderate motor weakness as a NIHSS limb motor score of more than 3 and defined a favorable outcome as a mRS score at 90 days that was 0 or 1. Results During the investigation period, 400 patients did not receive alteplase. END occurred significantly more frequently in patients with large artery disease (LAD) than in those with other TOAST classifications. In the multivariate regression analysis, NIHSS per 1-point increase, presenting as moderate motor weakness, and LAD were independent predictors of poor functional outcome (OR, 1.811 NIHSS per 1-point increase; 95% confidence interval [CI], 1.503-2.182; P < 0.0001; OR, 2.173 moderate motor weakness; 95% CI 1.028-4.595; P = 0.042; OR, 2.033 LAD; 95% CI 1.099-3.762; P = 0.024, respectively). Conclusion Moderate motor weakness presentation and LAD may be important factors associated with poor functional outcomes in patients with acute stroke excluded from alteplase administration due to mild symptoms.
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Choi Y, Kang M, Shin DH, Jung J, Choi SJ, Kim NH, Moon SM, Song KH, Kim ES, Jung J, Kim HB. 1781. Antibiotic Prescription Trends of Patients with COVID-19: Analysis of National Health Insurance Data in Republic of Korea. Open Forum Infect Dis 2022. [PMCID: PMC9752915 DOI: 10.1093/ofid/ofac492.1411] [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] [Indexed: 12/23/2022] Open
Abstract
Background Although COVID-19 is a viral infection, it is known that antibiotics are often prescribed due to concerns about combined bacterial infection. Therefore, we aimed to analyze how many patients with COVID-19 received the antibiotic prescription as well as what kinds of factors contributed to it using the National Health Insurance database. Methods We retrospectively reviewed claims data for adults 19 years of age and older hospitalized for COVID-19 from December 1, 2019 to December 31, 2020. According to severity classification of the National Institutes of Health guidelines, we calculated not only the proportion of patients receiving antibiotics but also days of treatment per 1000 patient days. In addition, we investigated the factors contributing to antibiotic use by linear regression analysis. Results Of the 55,228 patients, 47% were male, 55% were older than 50 years of age, and most patients (89%) had no underlying diseases. The majority (84%, 46,576) were classified as having mild to moderate illness, with 11% (6,168) and 5% (2,484) having severe and critical, respectively. Antibiotics were prescribed in a total of 27% (15,081). While 74% of patients with severe illness and 88% of those with critical illness received antibiotic treatment, even 18% of mild to moderate cases were prescribed antibiotics. Fluoroquinolones were the most commonly prescribed antibiotics (8,348), followed by third generation cephalosporins (5,729) and beta-lactam/beta-lactamase inhibitors (3,822) as shown in Figure 1. Older age, severity of disease and underlying medical conditions contributed to overall prescription rates as well as days of antibiotic use significantly (Table 1).
![]() ![]() Conclusion Although most of COVID-19 patients had mild to moderate illness, more than a quarter were prescribed antibiotics. Judicious use of broad-spectrum antibiotics is necessary for COVID-19 patients, considering the severity of disease and the risk of bacterial co-infection. Disclosures All Authors: No reported disclosures.
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Affiliation(s)
- Yunsang Choi
- Seoul National University Bundang Hospital, Seoungnam-si, Kyonggi-do, Republic of Korea
| | - Minsun Kang
- Gil Medical Centre, Gachon University College of Medicine, Incheon, Inch'on-jikhalsi, Republic of Korea
| | - Dong Hoon Shin
- Seoul National University College of Medicine, Seoul, Seoul-t'ukpyolsi, Republic of Korea
| | - Jongtak Jung
- Soonchunhyang University Seoul Hospital, Seoul, Seoul-t'ukpyolsi, Republic of Korea
| | - Seong Jin Choi
- Seoul National University College of Medicine, Seoul, Seoul-t'ukpyolsi, Republic of Korea
| | - Nak-Hyun Kim
- Seoul National University Bundang Hospital, Seoungnam-si, Kyonggi-do, Republic of Korea
| | - Song Mi Moon
- Seoul National University College of Medicine, Seoul, Seoul-t'ukpyolsi, Republic of Korea
| | - Kyoung-Ho Song
- Seoul National University College of Medicine, Seoul, Seoul-t'ukpyolsi, Republic of Korea
| | - Eu Suk Kim
- Seoul National University College of Medicine, Seoul, Seoul-t'ukpyolsi, Republic of Korea
| | - Jaehun Jung
- Gil Medical Centre, Gachon University College of Medicine, Incheon, Inch'on-jikhalsi, Republic of Korea
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Kang J, Jang H, Kim TH, Cho U, Bang H, Jang J, Lee W, Joo H, Noh J, Lee GY, Shin DH, Kang CK, Choe PG, Kim NJ, Oh MD, Song M, Kwon S, Veas F, Park WB. Accurate Diagnosis of COVID-19 from Self-Collectable Biospecimens Using Synthetic Apolipoprotein H Peptide-Coated Nanoparticle Assay. Anal Chem 2022; 94:17186-17194. [PMID: 36399654 PMCID: PMC9718094 DOI: 10.1021/acs.analchem.2c03813] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A high-throughput, accurate screening is crucial for the prevention and control of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Current methods, which involve sampling from the nasopharyngeal (NP) area by medical staffs, constitute a fundamental bottleneck in expanding the testing capacity. To meet the scales required for population-level surveillance, self-collectable specimens can be used; however, its low viral load has hindered its clinical adoption. Here, we describe a magnetic nanoparticle functionalized with synthetic apolipoprotein H (ApoH) peptides to capture, concentrate, and purify viruses. The ApoH assay demonstrates a viral enrichment efficiency of >90% for both SARS-CoV-2 and its variants, leading to an order of magnitude improvement in analytical sensitivity. For validation, we apply the assay to a total of 84 clinical specimens including nasal, oral, and mouth gargles obtained from COVID-19 patients. As a result, a 100% positivity rate is achieved from the patient-collected nasal and gargle samples, which exceeds that of the traditional NP swab method. The simple 12 min pre-enrichment assay enabling the use of self-collectable samples will be a practical solution to overcome the overwhelming diagnostic capacity. Furthermore, the methodology can easily be built on various clinical protocols, allowing its broad applicability to various disease diagnoses.
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Affiliation(s)
- Junwon Kang
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul08826, Korea
- Integrated Major in Innovative Medical Science, Seoul National University, Seoul03080, Korea
| | - Haewook Jang
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul08826, Korea
| | - Tae Hyun Kim
- Bio-MAX Institute, Seoul National University, Seoul08826, Korea
- Department of Electrical and Computer Engineering, Seoul National University, Seoul08826, Korea
| | - Untack Cho
- QuantaMatrix Inc., Seoul08506, Korea
- Interdisciplinary Program in Cancer Biology, Seoul National University College of Medicine, Seoul03080, Korea
| | | | | | - Wooseok Lee
- Department of Electrical and Computer Engineering, Seoul National University, Seoul08826, Korea
| | - Hyelyn Joo
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul08826, Korea
| | - Jinsung Noh
- Bio-MAX Institute, Seoul National University, Seoul08826, Korea
- Department of Electrical and Computer Engineering, Seoul National University, Seoul08826, Korea
| | - Gi Yoon Lee
- Department of Electrical and Computer Engineering, Seoul National University, Seoul08826, Korea
| | - Dong Hoon Shin
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul03080, Korea
| | - Chang Kyung Kang
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul03080, Korea
| | - Pyoeng Gyun Choe
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul03080, Korea
| | - Nam Joong Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul03080, Korea
| | - Myoung-Don Oh
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul03080, Korea
| | - Manki Song
- International Vaccine Institute, Seoul08826, Korea
| | - Sunghoon Kwon
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul08826, Korea
- Bio-MAX Institute, Seoul National University, Seoul08826, Korea
- Department of Electrical and Computer Engineering, Seoul National University, Seoul08826, Korea
- QuantaMatrix Inc., Seoul08506, Korea
- Biomedical Research Institute, Seoul National University Hospital, Seoul03080, Korea
| | - Francisco Veas
- Copernicus Integrated Solutions for Biosafety Risks (CISBR), Mauguio34130, France
- ApoH-Technologies, 94 Allée des Fauvettes, La Grande Motte34280, France
- UMR5151/French Research Institute for Development (IRD), University of Montpellier (UM), Montpellier 34093, France
| | - Wan Beom Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul03080, Korea
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Ji S, Choi EJ, Sohn B, Baik K, Shin NY, Moon WJ, Park S, Song S, Lee PH, Shin DH, Oh SH, Kim EY, Lee J. Sandwich spatial saturation for neuromelanin-sensitive MRI: Development and multi-center trial. Neuroimage 2022; 264:119706. [PMID: 36349597 DOI: 10.1016/j.neuroimage.2022.119706] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/09/2022] [Accepted: 10/20/2022] [Indexed: 11/08/2022] Open
Abstract
Neuromelanin (NM)-sensitive MRI using a magnetization transfer (MT)-prepared T1-weighted sequence has been suggested as a tool to visualize NM contents in the brain. In this study, a new NM-sensitive imaging method, sandwichNM, is proposed by utilizing the incidental MT effects of spatial saturation RF pulses in order to generate consistent high-quality NM images using product sequences. The spatial saturation pulses are located both superior and inferior to the imaging volume, increasing MT weighting while avoiding asymmetric MT effects. When the parameters of the spatial saturation were optimized, sandwichNM reported a higher NM contrast ratio than those of conventional NM-sensitive imaging methods with matched parameters for comparability with sandwichNM (SandwichNM: 23.6 ± 5.4%; MT-prepared TSE: 20.6 ± 7.4%; MT-prepared GRE: 17.4 ± 6.0%). In a multi-vendor experiment, the sandwichNM images displayed higher means and lower standard deviations of the NM contrast ratio across subjects in all three vendors (SandwichNM vs. MT-prepared GRE; Vendor A: 28.4 ± 1.5% vs. 24.4 ± 2.8%; Vendor B: 27.2 ± 1.0% vs. 13.3 ± 1.3%; Vendor C: 27.3 ± 0.7% vs. 20.1 ± 0.9%). For each subject, the standard deviations of the NM contrast ratio across the vendors were substantially lower in SandwichNM (SandwichNM vs. MT-prepared GRE; subject 1: 1.5% vs. 8.1%, subject 2: 1.1 % vs. 5.1%, subject 3: 0.9% vs. 4.0%, subject 4: 1.1% vs. 5.3%), demonstrating consistent contrasts across the vendors. The proposed method utilizes product sequences, requiring no alteration of a sequence and, therefore, may have a wide practical utility in exploring the NM imaging.
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Affiliation(s)
- Sooyeon Ji
- Laboratory for Imaging Science and Technology, Department of Electrical and Computer Engineering, Seoul National University, Seoul, Republic of Korea
| | - Eun-Jung Choi
- Laboratory for Imaging Science and Technology, Department of Electrical and Computer Engineering, Seoul National University, Seoul, Republic of Korea
| | - Beomseok Sohn
- Department of Radiology, Severance Hospital, Seoul, Republic of Korea
| | - Kyoungwon Baik
- Department of Radiology, Severance Hospital, Seoul, Republic of Korea
| | - Na-Young Shin
- Department of Radiology, Catholic University of Korea, Seoul, Republic of Korea
| | - Won-Jin Moon
- Department of Radiology, Konkuk University Medical Center, Seoul, Republic of Korea
| | | | | | - Phil Hyu Lee
- Department of Neurology, Severance Hospital, Seoul, Republic of Korea
| | | | - Se-Hong Oh
- Division of Biomedical Engineering, Hankuk University of Foreign Studies, Gyeonggi-do, Republic of Korea
| | - Eung Yeop Kim
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University College of Medicine, Seoul, Republic of Korea.
| | - Jongho Lee
- Laboratory for Imaging Science and Technology, Department of Electrical and Computer Engineering, Seoul National University, Seoul, Republic of Korea.
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Lee JH, Shin DH, Lee SY, Park JY, Kim SY, Hwang CS, Lee HJ, Na JY, Kim JY. NOL4 is a novel nuclear marker of small cell carcinoma and other neuroendocrine neoplasms. Histol Histopathol 2022; 37:1091-1098. [PMID: 36282054 DOI: 10.14670/hh-18-540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Neuroendocrine neoplasms (NENs) such as small cell lung cancer (SCLC) and large cell neuroendocrine carcinoma (LCNEC) have characteristic histologies, but immunohistochemistry using neuroendocrine markers is still desirable to confirm diagnosis. CD56 is the most sensitive marker, but also stains various normal tissues and other tumors. Recently, we reported that nucleolar protein 4 (NOL4) is present in the blood of SCLC patients and found it was stained in the SCLC nuclei. In this study, we compared expressions of NOL4 and CD56, using 64 cases of SCLC, 18 cases of LCNEC, 6 cases of atypical carcinoid tumor, 7 cases of typical carcinoid tumor, 68 cases of lung adenocarcinoma, and 62 cases of lung squamous cell carcinoma. For primary lung NENs, sensitivity, specificity, positive predictive value (PPV) and negative predictive value of NOL4 were 77.5%, 95.8%, 93.2%, and 85.1%, respectively, while those of CD56 were 92.1%, 93.3%, 91.1%, and 94.1%. The specificity and PPV of NOL4 were higher than those of CD56, although the differences were not statistically significant. However, NOL4 retains its nuclear immunoreactivity in areas of crush artifact or necrosis. Furthermore, NOL4 was not expressed in adjacent normal tissues including bronchial cells and pneumocytes. Therefore, a combination of NOL4 staining with other cytoplasmic or membranous neuroendocrine markers might enhance diagnostic utility for SCLC and other NENs.
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Affiliation(s)
- Jung Hee Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan, Republic of Korea
| | - Dong Hoon Shin
- Department of Pathology, Pusan National University School of Medicine, Pusan, Republic of Korea.
| | - Sang Yull Lee
- Department of Biochemistry, Pusan National University School of Medicine, Pusan, Republic of Korea
| | - Jun Young Park
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan, Republic of Korea
| | - So Young Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan, Republic of Korea
| | - Chung Su Hwang
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan, Republic of Korea
| | - Hyun Jung Lee
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan, Republic of Korea
| | - Joo Young Na
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan, Republic of Korea
| | - Jee Yeon Kim
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan, Republic of Korea
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Shin DH, Smith DM, Choi JY. SARS-CoV-2 Omicron Variant of Concern: Everything You Wanted to Know about Omicron but Were Afraid to Ask. Yonsei Med J 2022; 63:977-983. [PMID: 36303305 PMCID: PMC9629902 DOI: 10.3349/ymj.2022.0383] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 10/05/2022] [Indexed: 01/25/2023] Open
Abstract
As soon as the first case of the omicron variant of severe acute respiratory syndrome coronavirus 2 was reported in November 2021, it quickly spread worldwide with the emergence of several subvariants. Compared to previous variants, omicron was heavily mutated, especially for those in the Spike (S) protein and its receptor-binding domain. These mutations allowed the viruses to evade immune responses (i.e., previous infections and vaccine-elicited) and increase in transmissibility. Although vaccine effectiveness is decreased for omicron, boosters remain effective for protecting against severe diseases. Also, bivalent vaccines have been developed to increase vaccine effectiveness. Interestingly, although omicron is highly infectious, it has less morbidity and mortality compared to previously identified variants, such as delta. Additionally, the mutations that allow the virus to evade immune responses also allow it to evade many of the monoclonal antibodies developed at the beginning of the pandemic for treatment. Here, we reviewed the omicron variant's epidemiology, genetics, transmissibility, disease severity, and responsiveness to vaccine and treatments.
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Affiliation(s)
- Dong Hoon Shin
- Department of Medicine, University of California San Diego, La Jolla, USA
| | - Davey M Smith
- Department of Medicine, University of California San Diego, La Jolla, USA
- Veterans Affairs San Diego Healthcare System, San Diego, USA
| | - Jun Yong Choi
- Division of Infectious Diseases, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- AIDS Research Institute, Yonsei University College of Medicine, Seoul, Korea.
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Son GM, Park SB, Kim TU, Park BS, Lee IY, Na JY, Shin DH, Oh SB, Cho SH, Kim HS, Kim HW. Multidisciplinary Treatment Strategy for Early Colon Cancer: A Review-An English Version. J Anus Rectum Colon 2022; 6:203-212. [PMID: 36348951 PMCID: PMC9613418 DOI: 10.23922/jarc.2022-046] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 09/05/2022] [Indexed: 11/29/2022] Open
Abstract
Treatment for early colon cancer has progressed rapidly, with endoscopic resection and minimally invasive surgery. It is important to select patients without risk of lymph node metastasis before deciding on endoscopic resection for early colon cancer treatment. Pathological risk factors include histologic grade of cancer cell differentiation, lymphovascular invasion, perineural invasion, tumor budding, and deep submucosal invasion. These risk factors for predicting lymph node metastasis are crucial for determining the treatment strategy of endoscopic excision and radical resection for early colon cancer. A multidisciplinary approach is emphasized to establish a treatment strategy for early colon cancer to minimize the risk of complications and obtain excellent oncologic outcomes by selecting an appropriate treatment optimized for the patient's stage and condition. Therefore, we aimed to review the optimal multidisciplinary treatment strategies, including endoscopy and surgery, for early colon cancer.
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Affiliation(s)
- Gyung Mo Son
- Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Su Bum Park
- Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Tae Un Kim
- Department of Radiology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Byung-Soo Park
- Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - In Young Lee
- Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Joo-Young Na
- Department of Forensic Medicine, Pusan National University School of Medicine, Yangsan, Korea
| | - Dong Hoon Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Sang Bo Oh
- Department of Hemato-oncology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Sung Hwan Cho
- Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Hyun Sung Kim
- Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Hyung Wook Kim
- Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
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Lee B, Kim BG, Baraki TG, Kim JS, Lee YJ, Lee SJ, Hong SJ, Ahn CM, Shin DH, Kim BK, Ko YG, Choi DH, Honh MK, Jang YS. Stent expansion evaluated by optical coherence tomography and subsequent outcomes. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Regarding stent expansion indexes, previous optical coherence tomography (OCT) studies have shown minimal stent area (MSA) to be most predictive of adverse events.
Purpose
We sought to evaluate the impact of various stent expansion indexes by post-stent OCT on long-term clinical outcomes, and hence to find OCT-defined optimal stent expansion criteria.
Methods
Of the patients registered in the Yonsei OCT registry, a total of 1071 patients with 1123 native coronary artery lesions treated with new-generation drug-eluting stents under the OCT guidance and analyzable final post-stent OCT were included. Stent expansion indexes and different suboptimal stent expansion criteria were evaluated for their association with device-oriented clinical endpoints (DoCE) including cardiac death, target vessel-related myocardial infarction (TVMI) or stent thrombosis, and target lesion revascularization. Major safety events (MSE) included cardiac death, TVMI or stent thrombosis.
Results
The median follow-up period was 40.6 (interquartile range 22.0–50.0) months. As a continuous variable, MSA, adaptive volumetric stent expansion (stent volume/adaptive reference lumen volume) and overall volumetric stent expansion (stent volume/post-stent lumen volume) were significantly predictive of DoCE. As a categorical criteria, MSA <5.0 mm2 (hazard ratio [HR] 3.80; 95% confidence interval [CI] 1.53–9.45), MSA/distal reference lumen area <90% (HR 2.13; 95% CI 1.10–4.14), and overall volumetric stent expansion ≥96.6% (HR 2.38; 95% CI 1.09–5.22) were independently associated with DoCE after adjusting for confounders, and a total malapposition volume ≥7.0 mm3 (HR 3.38; 95% CI 1.05–10.93) was linked to MSE.
Conclusions
This OCT study highlights that sufficient stent expansion to achieve adequate absolute MSA and relative MSA by distal reference lumen area and alleviate significant malapposition is important to improve clinical outcome, but overall stent overexpansion may have deleterious effect.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- B Lee
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - B G Kim
- Sanggye Paik Hospital , Seoul , Korea (Republic of)
| | - T G Baraki
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - J S Kim
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - Y J Lee
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - S J Lee
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - S J Hong
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - C M Ahn
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - D H Shin
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - B K Kim
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - Y G Ko
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - D H Choi
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - M K Honh
- Severance Hospital, Cardiology , Seoul , Korea (Republic of)
| | - Y S Jang
- Cha Bundang Medical Center, cardiology , Seongnam , Korea (Republic of)
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Park H, Kim YD, Nam HS, Yoo J, Sohn SI, Hong JH, Kim BM, Kim DJ, Bang OY, Seo WK, Chung JW, Lee KY, Jung YH, Lee HS, Ahn SH, Shin DH, Choi HY, Cho HJ, Baek JH, Kim GS, Seo KD, Kim SH, Song TJ, Kim J, Han SW, Park JH, Lee SI, Heo JN, Lee HW, Lee IH, Baik M, Heo JH. Impact of Renal Function on Short-Term Outcome After Reperfusion Therapy in Patients With Ischemic Stroke. Stroke 2022; 53:3622-3632. [PMID: 36128905 DOI: 10.1161/strokeaha.122.039129] [Citation(s) in RCA: 4] [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] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND A high and low estimated glomerular filtration rate (eGFR) could affect outcomes after reperfusion therapy for ischemic stroke. This study aimed to determine whether renal function based on eGFR affects mortality risk in patients with ischemic stroke within 6 months following reperfusion therapy. METHODS This prospective registry-based cohort study included 2266 patients who received reperfusion therapy between January 2000 and September 2019 and were registered in the SECRET (Selection Criteria in Endovascular Thrombectomy and Thrombolytic Therapy) study or the Yonsei Stroke Cohort. A high and low eGFR were based on the Chronic Kidney Disease Epidemiology Collaboration equation and defined, respectively, as the 5th and 95th percentiles of age- and sex-specific eGFR. Occurrence of death within 6 months was compared among the groups according to their eGFR such as low, normal, or high eGFR. RESULTS Of the 2266 patients, 2051 (90.5%) had a normal eGFR, 110 (4.9%) a low eGFR, and 105 (4.6%) a high eGFR. Patients with high eGFR were younger or less likely to have hypertension, diabetes, or atrial fibrillation than the other groups. Active cancer was more prevalent in the high-eGFR group. During the 6-month follow-up, there were 24 deaths (22.9%) in the high-eGFR group, 37 (33.6%) in the low-eGFR group, and 237 (11.6%) in the normal-eGFR group. After adjusting for variables with P<0.10 in the univariable analysis, 6-month mortality was independently associated with high eGFR (hazard ratio, 2.22 [95% CI, 1.36-3.62]; P=0.001) and low eGFR (HR, 2.29 [95% CI, 1.41-3.72]; P=0.001). These associations persisted regardless of treatment modality or various baseline characteristics. CONCLUSIONS High eGFR as well as low eGFR were independently associated with 6-month mortality after reperfusion therapy. Kidney function could be considered a prognostic factor in patients with ischemic stroke after reperfusion therapy.
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Affiliation(s)
- Hyungjong Park
- Department of Neurology, Keimyung University School of Medicine, Daegu, South Korea (H.P., S.-I.S., J.-H.H.)
| | - Young Dae Kim
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea.(Y.D.K., H.S.N., J.N.H., H.W.L., I.H.L., M.B., J.H.H.)
| | - Hyo Suk Nam
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea.(Y.D.K., H.S.N., J.N.H., H.W.L., I.H.L., M.B., J.H.H.)
| | - Joonsang Yoo
- Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea. (J.Y., J.K.)
| | - Sung-Il Sohn
- Department of Neurology, Keimyung University School of Medicine, Daegu, South Korea (H.P., S.-I.S., J.-H.H.)
| | - Jeong-Ho Hong
- Department of Neurology, Keimyung University School of Medicine, Daegu, South Korea (H.P., S.-I.S., J.-H.H.)
| | - Byung Moon Kim
- Department of Radiology, Yonsei University College of Medicine, Seoul, South Korea. (B.M.K., D.J.K.)
| | - Dong Joon Kim
- Department of Radiology, Yonsei University College of Medicine, Seoul, South Korea. (B.M.K., D.J.K.)
| | - Oh Young Bang
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea. (O.Y.B., W.-K.S., J.-W.C.)
| | - Woo-Keun Seo
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea. (O.Y.B., W.-K.S., J.-W.C.)
| | - Jong-Won Chung
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea. (O.Y.B., W.-K.S., J.-W.C.)
| | - Kyung-Yul Lee
- Department of Neurology, Gangnam Severance Hospital, Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, South Korea (K.Y.L., Y.H.J.)
| | - Yo Han Jung
- Department of Neurology, Gangnam Severance Hospital, Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, South Korea (K.Y.L., Y.H.J.)
| | - Hye Sun Lee
- Department of Research Affairs, Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, South Korea. (H.S.L.)
| | - Seong Hwan Ahn
- Department of Neurology, Chosun University School of Medicine, Gwangju, South Korea (S.H.A.)
| | - Dong Hoon Shin
- Department of Neurology, Gachon University Gil Medical Center, Incheon, South Korea (D.H.S.)
| | - Hye-Yeon Choi
- Department of Neurology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, South Korea (H.-Y.C.)
| | - Han-Jin Cho
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine, Busan, South Korea (H.-J.C.)
| | - Jang-Hyun Baek
- Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea. (J.-H.B.)
| | - Gyu Sik Kim
- Department of Neurology, National Health Insurance Service Ilsan Hospital, Goyang, South Korea (G.S.K., K.-D.S.)
| | - Kwon-Duk Seo
- Department of Neurology, National Health Insurance Service Ilsan Hospital, Goyang, South Korea (G.S.K., K.-D.S.)
| | - Seo Hyun Kim
- Department of Neurology, Yonsei University Wonju College of Medicine, South Korea (S.H.K.)
| | - Tae-Jin Song
- Department of Neurology, Seoul Hospital, College of Medicine, Ewha Womans University, Seoul, South Korea (T.-J.S.)
| | - Jinkwon Kim
- Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea. (J.Y., J.K.)
| | - Sang Won Han
- Department of Neurology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, South Korea (S.W.H., J.H.P.)
| | - Joong Hyun Park
- Department of Neurology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, South Korea (S.W.H., J.H.P.)
| | - Suk Ik Lee
- Department of Neurology, Sanbon Hospital, Wonkwang University School of Medicine, Sanbon, South Korea (S.I.L.)
| | - Joon Nyung Heo
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea.(Y.D.K., H.S.N., J.N.H., H.W.L., I.H.L., M.B., J.H.H.)
| | - Hyung Woo Lee
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea.(Y.D.K., H.S.N., J.N.H., H.W.L., I.H.L., M.B., J.H.H.)
| | - Il Hyung Lee
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea.(Y.D.K., H.S.N., J.N.H., H.W.L., I.H.L., M.B., J.H.H.)
| | - Minyoul Baik
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea.(Y.D.K., H.S.N., J.N.H., H.W.L., I.H.L., M.B., J.H.H.)
| | - Ji Hoe Heo
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea.(Y.D.K., H.S.N., J.N.H., H.W.L., I.H.L., M.B., J.H.H.)
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Son GM, Park SB, Kim TU, Park BS, Lee IY, Na JY, Shin DH, Oh SB, Cho SH, Kim HS, Kim HW. Multidisciplinary treatment strategy for early colon cancer. J Korean Med Assoc 2022. [DOI: 10.5124/jkma.2022.65.9.558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Background: Treatment for early colon cancer has progressed rapidly with endoscopic resection and minimally invasive surgery. Selection of patients without risk of lymph node metastasis is necessary before deciding on endoscopic resection for early colon cancer treatment. We aimed to review the optimal multidisciplinary treatment strategies for early colon cancer, including endoscopy and surgery.Current Concepts: Pathological risk factors include histologic grade of cancer cell differentiation, lymphovascular invasion, perineural invasion, tumor budding, and deep submucosal invasion. These risk factors for predicting lymph node metastasis are crucial for determining the treatment strategy of endoscopic excision and radical resection for early colon cancer. Prediction of the depth of invasion in early colon cancer using endoscopic optical assessments is vital to determine the appropriate treatment method for endoscopic or surgical resection. Furthermore, optical assessment of pit and vascular patterns is useful for estimating the depth of submucosal invasion using magnifying chromoendoscopy and narrow-band imaging endoscopy. Performing an endoscopic and pathologic evaluation of the risk factors for lymph node metastasis is imperative when selecting endoscopic or surgical resection. Endoscopic treatments include cold snare polypectomy, endoscopic mucosal resection, and endoscopic submucosal dissection. In addition, appropriate surgical treatment should be recommended for patients with early colon cancer with a high risk of lymph node metastasis.Discussion and Conclusion: A multidisciplinary approach should be recommended to establish an optimized treatment strategy, minimize the risk of complications, and obtain excellent oncologic outcomes via patienttailored treatment in patients with early colon cancer.
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Hong JM, Lee JS, Lee YB, Shin DH, Shin DI, Hwang YH, Ahn SH, Kim JG, Sohn SI, Kwon SU, Lee JS, Gwag BJ, Chamorro Á, Choi DW. Nelonemdaz for Patients With Acute Ischemic Stroke Undergoing Endovascular Reperfusion Therapy: A Randomized Phase II Trial. Stroke 2022; 53:3250-3259. [PMID: 36065810 DOI: 10.1161/strokeaha.122.039649] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Nelonemdaz is a multitarget neuroprotectant that selectively blocks N-methyl-D-aspartate receptors and scavenges free radicals, as proven in preclinical ischemia-reperfusion studies. We aimed to evaluate the safety and efficacy of nelonemdaz in patients with acute ischemic stroke receiving endovascular reperfusion therapy. METHODS This phase II randomized trial involved participants with large-artery occlusion in the anterior circulation at baseline who received endovascular reperfusion therapy <8 hours from symptom onset at 7 referral stroke centers in South Korea between October 29, 2016, and June 1, 2020. Two hundred thirteen patients were screened and 209 patients were randomly assigned at a 1:1:1 ratio using a computer-generated randomization system. Patients were divided into 3 groups based on the medication received-placebo, low-dose (2750 mg) nelonemdaz, and high-dose (5250 mg) nelonemdaz. The primary outcome was the proportion of patients with modified Rankin Scale scores of 0-2 at 12 weeks. RESULTS Two hundred eight patients were assigned to the placebo (n=70), low-dose (n=71), and high-dose (n=67) groups. The groups had similar baseline characteristics. The primary outcome was achieved in 183 patients, and it did not differ among the groups (33/61 [54.1%], 40/65 [61.5%], and 36/57 [63.2%] patients; P=0.5578). The common odds ratio (90% CI) indicating a favorable shift in the modified Rankin Scale scores at 12 weeks was 1.55 (0.92-2.60) between the placebo and low-dose groups and 1.61 (0.94-2.76) between the placebo and high-dose groups. No serious adverse events were reported. CONCLUSIONS The study arms showed no significant difference in the proportion of patients achieving modified Rankin Scale scores of 0-2 at 12 weeks. Nevertheless, nelonemdaz-treated patients showed a favorable tendency toward achieving these scores at 12 weeks, without serious adverse effects. Thus, a large-scale phase III trial is warranted. REGISTRATION URL: https://clinicaltrials.gov; Unique identifier: NCT02831088.
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Affiliation(s)
- Ji Man Hong
- Department of Neurology, Ajou University School of Medicine, Ajou University Medical Center, Suwon, Republic of Korea (J.M.H., Jin Soo Lee)
| | - Jin Soo Lee
- Department of Neurology, Ajou University School of Medicine, Ajou University Medical Center, Suwon, Republic of Korea (J.M.H., Jin Soo Lee)
| | - Yeong-Bae Lee
- Department of Neurology, Gachon University Gil Medical Center, Incheon, Republic of Korea (Y.-B.L., D.H.S.)
| | - Dong Hoon Shin
- Department of Neurology, Gachon University Gil Medical Center, Incheon, Republic of Korea (Y.-B.L., D.H.S.)
| | - Dong-Ick Shin
- Department of Neurology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Republic of Korea (D.-I.S.)
| | - Yang-Ha Hwang
- Department of Neurology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Republic of Korea (Y.-H.H.)
| | - Seong Hwan Ahn
- Department of Neurology, College of Medicine, Chosun University, Gwangju, Republic of Korea (S.H.A.)
| | - Jae Guk Kim
- Department of Neurology, Daejeon Eulji Medical Center, Eulji University, Daejeon, Republic of Korea (J.G.K.)
| | - Sung-Il Sohn
- Department of Neurology, Dongsan Medical Center, Keimyung University, Daegu, Republic of Korea (S.-I.S.)
| | - Sun U Kwon
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. (S.U.K.)
| | - Ji Sung Lee
- Clinical Research Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. (Ji Sung Lee)
| | - Byoung Joo Gwag
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, Republic of Korea (B.J.G.)
| | - Ángel Chamorro
- Department of Neuroscience, Comprehensive Stroke Center, Hospital Clinic, University of Barcelona and August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Spain (A.C.)
| | - Dennis W Choi
- Department of Neurology, Stony Brook University, NY (D.W.C.)
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Shin DH, Jang H, Lee S, Choi BS, Kim D, Oh HS. Trends in Confirmed COVID-19 Cases in the Korean Military Before and After the Emergence of the Omicron Variant. J Korean Med Sci 2022; 37:e260. [PMID: 36038957 PMCID: PMC9424697 DOI: 10.3346/jkms.2022.37.e260] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/14/2022] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Due to the higher transmissibility and increased immune escape of the omicron variant of severe acute respiratory syndrome coronavirus 2, the number of patients with coronavirus disease 2019 (COVID-19) has skyrocketed in the Republic of Korea. Here, we analyzed the change in trend of the number of confirmed COVID-19 cases in the Korean military after the emergence of the omicron variant on December 5, 2021. METHODS An interrupted time-series analysis was performed of the daily number of newly confirmed COVID-19 cases in the Korean military from September 1, 2021 to April 10, 2022, before and after the emergence of the omicron variant. Moreover, the daily number of newly confirmed COVID-19 cases in the Korean military and in the population of Korean civilians adjusted to the same with military were compared. RESULTS The trends of COVID-19 occurrence in the military after emergence of the omicron variant was significantly increased (regression coefficient, 23.071; 95% confidence interval, 16.122-30.020; P < 0.001). The COVID-19 incidence rate in the Korean military was lower than that in the civilians, but after the emergence of the omicron variant, the increased incidence rate in the military followed that of the civilian population. CONCLUSION The outbreak of the omicron variant occurred in the Korean military despite maintaining high vaccination coverage and intensive non-pharmacological interventions.
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Affiliation(s)
- Dong Hoon Shin
- Department of Internal Medicine, Division of Infectious Diseases, Armed Forces Yangju Hospital, Yangju, Korea
| | - Haebong Jang
- Department of Laboratory Medicine, Armed Forces Medical Research Institute, Daejeon, Korea
| | - Sangho Lee
- Chief of Health Management Department, Armed Forces Medical Command, Seongnam, Korea
| | | | - Donghoon Kim
- Department of Critical Care Medicine, Department of Internal Medicine, Armed Forces Capital Hospital, Seongnam, Korea.
| | - Hong Sang Oh
- Department of Internal Medicine, Division of Infectious Diseases, Armed Forces Capital Hospital, Seongnam, Korea.
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50
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Park H, Seo SK, Sim J, Hwang SJ, Kim YJ, Shin DH, Jang DG, Noh SH, Park P, Ko SH, Shin MH, Choi JY, Ito Y, Kang C, Lee JM, Lee MG. TMED3 Complex Mediates ER Stress-Associated Secretion of CFTR, Pendrin, and SARS-CoV-2 Spike. Adv Sci (Weinh) 2022; 9:e2105320. [PMID: 35748162 PMCID: PMC9350134 DOI: 10.1002/advs.202105320] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [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: 11/19/2021] [Revised: 05/06/2022] [Indexed: 05/13/2023]
Abstract
Under ER stress conditions, the ER form of transmembrane proteins can reach the plasma membrane via a Golgi-independent unconventional protein secretion (UPS) pathway. However, the targeting mechanisms of membrane proteins for UPS are unknown. Here, this study reports that TMED proteins play a critical role in the ER stress-associated UPS of transmembrane proteins. The gene silencing results reveal that TMED2, TMED3, TMED9 and TMED10 are involved in the UPS of transmembrane proteins, such as CFTR, pendrin and SARS-CoV-2 Spike. Subsequent mechanistic analyses indicate that TMED3 recognizes the ER core-glycosylated protein cargos and that the heteromeric TMED2/3/9/10 complex mediates their UPS. Co-expression of all four TMEDs improves, while each single expression reduces, the UPS and ion transport function of trafficking-deficient ΔF508-CFTR and p.H723R-pendrin, which cause cystic fibrosis and Pendred syndrome, respectively. In contrast, TMED2/3/9/10 silencing reduces SARS-CoV-2 viral release. These results provide evidence for a common role of TMED3 and related TMEDs in the ER stress-associated, Golgi-independent secretion of transmembrane proteins.
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Affiliation(s)
- Hak Park
- Department of PharmacologySeverance Biomedical Science InstituteYonsei University College of MedicineSeoul03722Korea
- Department of Laboratory MedicineSeverance HospitalYonsei University College of MedicineSeoul03722Korea
| | - Soo Kyung Seo
- Department of PharmacologySeverance Biomedical Science InstituteYonsei University College of MedicineSeoul03722Korea
- Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoul03722Korea
| | - Ju‐Ri Sim
- Department of PharmacologySeverance Biomedical Science InstituteYonsei University College of MedicineSeoul03722Korea
- Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoul03722Korea
| | - Su Jin Hwang
- Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoul03722Korea
- Department of Microbiology and ImmunologyInstitute for Immunology and Immunological DiseasesYonsei University College of MedicineSeoul03722Korea
| | - Ye Jin Kim
- Department of PharmacologySeverance Biomedical Science InstituteYonsei University College of MedicineSeoul03722Korea
- Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoul03722Korea
| | - Dong Hoon Shin
- Department of PharmacologySeverance Biomedical Science InstituteYonsei University College of MedicineSeoul03722Korea
| | - Dong Geon Jang
- Department of PharmacologySeverance Biomedical Science InstituteYonsei University College of MedicineSeoul03722Korea
- Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoul03722Korea
| | - Shin Hye Noh
- Department of PharmacologySeverance Biomedical Science InstituteYonsei University College of MedicineSeoul03722Korea
| | - Pil‐Gu Park
- Department of Microbiology and ImmunologyInstitute for Immunology and Immunological DiseasesYonsei University College of MedicineSeoul03722Korea
| | - Si Hwan Ko
- Department of Microbiology and ImmunologyInstitute for Immunology and Immunological DiseasesYonsei University College of MedicineSeoul03722Korea
| | - Mi Hwa Shin
- Department of OtorhinolaryngologyYonsei University College of MedicineSeoul03722Korea
| | - Jae Young Choi
- Department of OtorhinolaryngologyYonsei University College of MedicineSeoul03722Korea
| | - Yukishige Ito
- Cluster for Pioneering ResearchRIKENWakoSaitama351‐0198Japan
- Graduate School of ScienceOsaka UniversityToyonakaOsaka560‐0043Japan
| | - Chung‐Min Kang
- Department of Pediatric DentistryCollege of DentistryYonsei UniversitySeoul03722Korea
| | - Jae Myun Lee
- Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoul03722Korea
- Department of Microbiology and ImmunologyInstitute for Immunology and Immunological DiseasesYonsei University College of MedicineSeoul03722Korea
| | - Min Goo Lee
- Department of PharmacologySeverance Biomedical Science InstituteYonsei University College of MedicineSeoul03722Korea
- Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoul03722Korea
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