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Yu JJ, Choi HJ, Cho HJ, Kim SH, Cheon EJ, Kim GB, Eun LY, Jung SY, Jun HO, Woo HO, Park SA, Yoon S, Ko H, Ban JE, Choi JW, Song MS, Han JW. Newly Developed Sex-Specific Z Score Model for Coronary Artery Diameter in a Pediatric Population. J Korean Med Sci 2024; 39:e144. [PMID: 38685889 PMCID: PMC11058341 DOI: 10.3346/jkms.2024.39.e144] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 04/01/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND This study aimed to generate a Z score calculation model for coronary artery diameter of normal children and adolescents to be adopted as the standard calculation method with consensus in clinical practice. METHODS This study was a retrospective, multicenter study that collected data from multiple institutions across South Korea. Data were analyzed to determine the model that best fit the relationship between the diameter of coronary arteries and independent demographic parameters. Linear, power, logarithmic, exponential, and square root polynomial models were tested for best fit. RESULTS Data of 2,030 subjects were collected from 16 institutions. Separate calculation models for each sex were developed because the impact of demographic variables on the diameter of coronary arteries differs according to sex. The final model was the polynomial formula with an exponential relationship between the diameter of coronary arteries and body surface area using the DuBois formula. CONCLUSION A new coronary artery diameter Z score model was developed and is anticipated to be applicable in clinical practice. The new model will help establish a consensus-based Z score model.
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Affiliation(s)
- Jeong Jin Yu
- Department of Pediatrics, University of Ulsan College of Medicine, Seoul, Korea.
| | - Hee Joung Choi
- Department of Pediatrics, Keimyung University School of Medicine, Daegu, Korea
| | - Hwa Jin Cho
- Department of Pediatrics, Chonnam National University Medical School, Gwangju, Korea
| | - Sung Hye Kim
- Department of Pediatrics, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Eun Jung Cheon
- Department of Pediatrics, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Gi Beom Kim
- Department of Pediatrics, College of Medicine, Seoul National University, Seoul, Korea
| | - Lucy Youngmin Eun
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea
| | - Se Yong Jung
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea
| | - Hyun Ok Jun
- Department of Pediatrics, University of Ulsan College of Medicine, Seoul, Korea
| | - Hyang-Ok Woo
- Department of Pediatrics, Institute of Medical Science, Gyeongsang National University College of Medicine, Gyeongsang National University Hospital, Jinju, Korea
| | - Sin-Ae Park
- Department of Pediatrics, Presbyterian Medical Center, Jeonju, Korea
| | - Soyoung Yoon
- Department of Pediatrics, CHA Gangnam Medical Center, CHA University, Seoul, Korea
| | - Hoon Ko
- Department of Pediatrics, Pusan National University School of Medicine, Yangsan, Korea
| | - Ji-Eun Ban
- Department of Pediatrics, Ewha Womans University Medical Center, Seoul, Korea
| | - Jong-Woon Choi
- Department of Pediatrics, Bundang Jesaeng General Hospital, Seongnam, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Paik Hospital, Busan, Korea
| | - Ji Whan Han
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Kim JJ, Hong YM, Yun SW, Lee KY, Yoon KL, Han MK, Kim GB, Kil HR, Song MS, Lee HD, Ha KS, Jun HO, Yu JJ, Jang GY, Lee JK. Identification of B-cell-related HSPG2 and CDSN as susceptibility loci for Kawasaki disease. Hum Immunol 2023; 84:567-570. [PMID: 37453912 DOI: 10.1016/j.humimm.2023.07.001] [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] [Received: 02/08/2023] [Revised: 07/02/2023] [Accepted: 07/05/2023] [Indexed: 07/18/2023]
Abstract
Kawasaki disease (KD) is an acute pediatric vasculitis that predominantly affects children under the age of 5 years. To date, genome-wide association studies (GWAS) have identified several KD susceptibility genes (e.g., BLK, CD40, FCGR2A, BCL2L11, and IGHV), which are mainly involved in B cell immunity. In this study, we aimed to identify additional KD susceptibility genes mainly involved in B cell development and functions by analyzing our previous GWAS data and conducting a replication study using new sample. Initially, we selected 30 single nucleotide polymorphisms (SNPs) in B-cell-related genes that were significantly (P < 0.01) associated with KD in our previous GWAS analysis of 247 KD cases with complete type and 1,000 healthy controls. Replication study was performed by genotyping the new 837 KD case samples with Fluidigm system and comparing them with 3,553 control genotypes. Among the 30 candidate SNPs, two were significantly associated with KD (P < 0.001) in the replication study. An even greater association between these SNPs and KD was observed in the combined analysis of GWAS and replication samples: odds ratio (OR) = 1.97 (P = 8.61 × 10-6) for rs2270699 (nonsynonymous SNP: c.10588C > T, p.Arg3530Trp) in the heparan sulfate proteoglycan 2 (HSPG2) gene and OR = 1.28 (P = 1.34 × 10-6) for rs3130992 (intronic SNP) in both the corneodesmosin (CDSN) and psoriasis susceptibility 1 candidate 1 (PSORS1C1) genes. These results suggest that the B-cell-related genes, HSPG2 and CDSN or PSORS1C1, play a role in the development of KD.
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Affiliation(s)
- Jae-Jung Kim
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea
| | - Kyung-Yil Lee
- Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Myung-Ki Han
- Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Hong-Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Paik Hospital, Busan, Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan, Korea
| | - Kee Soo Ha
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Hyun Ok Jun
- Department of Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jeong Jin Yu
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Gi Young Jang
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Jong-Keuk Lee
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
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Frontini F, Lebert BW, Cho KK, Song MS, Cho BK, Pollock CJ, Kim YJ. Intermediate valence state in YbB 4revealed by resonant x-ray emission spectroscopy. J Phys Condens Matter 2022; 34:345601. [PMID: 35667370 DOI: 10.1088/1361-648x/ac7629] [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: 04/20/2022] [Accepted: 06/06/2022] [Indexed: 06/15/2023]
Abstract
We report the temperature dependence of the Yb valence in the geometrically frustrated compoundYbB4from 12 to 300 K using resonant x-ray emission spectroscopy at the YbLα1transition. We find that the Yb valence,v, is hybridized between thev = 2 andv = 3 valence states, increasing fromv=2.61±0.01at 12 K tov=2.67±0.01at 300 K, confirming thatYbB4is a Kondo system in the intermediate valence regime. This result indicates that the Kondo interaction inYbB4is substantial, and is likely to be the reason whyYbB4does not order magnetically at low temperature, rather than this being an effect of geometric frustration. Furthermore, the zero-point valence of the system is extracted from our data and compared with other Kondo lattice systems. The zero-point valence seems to be weakly dependent on the Kondo temperature scale, but not on the valence change temperature scaleTv.
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Affiliation(s)
- Felix Frontini
- Department of Physics, University of Toronto, 60 St. George Street, Toronto, ON M5S 1A7, Canada
| | - Blair W Lebert
- Department of Physics, University of Toronto, 60 St. George Street, Toronto, ON M5S 1A7, Canada
| | - K K Cho
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 61005 Gwangju, Republic of Korea
| | - M S Song
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 61005 Gwangju, Republic of Korea
| | - B K Cho
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 61005 Gwangju, Republic of Korea
| | - Christopher J Pollock
- Cornell High Energy Synchrotron Source (CHESS), Cornell University, Ithaca, NY 14853, United States of America
| | - Young-June Kim
- Department of Physics, University of Toronto, 60 St. George Street, Toronto, ON M5S 1A7, Canada
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Kim JJ, Hong YM, Yun SW, Lee KY, Yoon KL, Han MK, Kim GB, Kil HR, Song MS, Lee HD, Ha KS, Jun HO, Choi BO, Oh YM, Yu JJ, Jang GY, Lee JK. Identification of rare coding variants associated with Kawasaki disease by whole exome sequencing. Genomics Inform 2022; 19:e38. [PMID: 35012285 PMCID: PMC8752980 DOI: 10.5808/gi.21046] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 10/05/2021] [Indexed: 11/20/2022] Open
Abstract
Kawasaki disease (KD) is an acute pediatric vasculitis that affects genetically susceptible infants and children. To identify coding variants that influence susceptibility to KD, we conducted whole exome sequencing of 159 patients with KD and 902 controls, and performed a replication study in an independent 586 cases and 732 controls. We identified five rare coding variants in five genes (FCRLA, PTGER4, IL17F, CARD11, and SIGLEC10) associated with KD (odds ratio [OR], 1.18 to 4.41; p = 0.0027–0.031). We also performed association analysis in 26 KD patients with coronary artery aneurysms (CAAs; diameter > 5 mm) and 124 patients without CAAs (diameter < 3 mm), and identified another five rare coding variants in five genes (FGFR4, IL31RA, FNDC1, MMP8, and FOXN1), which may be associated with CAA (OR, 3.89 to 37.3; p = 0.0058–0.0261). These results provide insights into new candidate genes and genetic variants potentially involved in the development of KD and CAA.
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Affiliation(s)
- Jae-Jung Kim
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Hospital, Seoul 07985, Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul 06973, Korea
| | - Kyung-Yil Lee
- Department of Pediatrics, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Daejeon 34943, Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul 05278, Korea
| | - Myung-Ki Han
- Department of Pediatrics, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung 25440, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul 03080, Korea
| | - Hong-Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon 35015, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Paik Hospital, Busan 47392, Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan 49241, Korea
| | - Kee Soo Ha
- Department of Pediatrics, Korea University Guro Hospital, Seoul 08308, Korea
| | - Hyun Ok Jun
- Department of Pediatrics and Adolescent Medicine, Myongji Hospital, Goyang 10475, Korea
| | - Byung-Ok Choi
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 04401, Korea
| | - Yeon-Mok Oh
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Jeong Jin Yu
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Gi Young Jang
- Department of Pediatrics, Korea University Guro Hospital, Seoul 08308, Korea.,Department of Pediatrics, Korea University Ansan Hospital, Ansan 15355, Korea
| | - Jong-Keuk Lee
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
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Choi YK, Moon JY, Kim J, Yoo IS, Kwon GY, Bae H, Song MS, Kym S. Postvaccination Multisystem Inflammatory Syndrome in Adult with No Evidence of Prior SARS-CoV-2 Infection. Emerg Infect Dis 2021; 28:411-414. [PMID: 34852213 PMCID: PMC8798698 DOI: 10.3201/eid2802.211938] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Ten days after receiving the first dose of coronavirus disease vaccine, a 22-year-old woman in South Korea experienced myocarditis, myopathy, pericarditis, and gastroenteritis; rash subsequently developed. There was no evidence of prior infection with severe acute respiratory syndrome coronavirus 2. The diagnosis was multisystem inflammatory syndrome resulting from coronavirus disease vaccination.
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Miao L, Min CH, Xu Y, Huang Z, Kotta EC, Basak R, Song MS, Kang BY, Cho BK, Kißner K, Reinert F, Yilmaz T, Vescovo E, Chuang YD, Wu W, Denlinger JD, Wray LA. Robust Surface States and Coherence Phenomena in Magnetically Alloyed SmB_{6}. Phys Rev Lett 2021; 126:136401. [PMID: 33861118 DOI: 10.1103/physrevlett.126.136401] [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: 02/24/2020] [Revised: 01/19/2021] [Accepted: 03/05/2021] [Indexed: 06/12/2023]
Abstract
Samarium hexaboride is a candidate for the topological Kondo insulator state, in which Kondo coherence is predicted to give rise to an insulating gap spanned by topological surface states. Here we investigate the surface and bulk electronic properties of magnetically alloyed Sm_{1-x}M_{x}B_{6} (M=Ce, Eu), using angle-resolved photoemission spectroscopy and complementary characterization techniques. Remarkably, topologically nontrivial bulk and surface band structures are found to persist in highly modified samples with up to 30% Sm substitution and with an antiferromagnetic ground state in the case of Eu doping. The results are interpreted in terms of a hierarchy of energy scales, in which surface state emergence is linked to the formation of a direct Kondo gap, while low-temperature transport trends depend on the indirect gap.
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Affiliation(s)
- Lin Miao
- School of Physics, Southeast University, Nanjing 211189, China
| | - Chul-Hee Min
- Experimentelle Physik VII and Würzburg-Dresden Cluster of Excellence ct.qmat, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Yishuai Xu
- Department of Physics, New York University, New York, New York 10003, USA
| | - Zengle Huang
- Rutgers Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Erica C Kotta
- Department of Physics, New York University, New York, New York 10003, USA
| | - Rourav Basak
- Department of Physics, New York University, New York, New York 10003, USA
| | - M S Song
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea
| | - B Y Kang
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea
| | - B K Cho
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea
| | - K Kißner
- Experimentelle Physik VII and Würzburg-Dresden Cluster of Excellence ct.qmat, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - F Reinert
- Experimentelle Physik VII and Würzburg-Dresden Cluster of Excellence ct.qmat, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Turgut Yilmaz
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Elio Vescovo
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Yi-De Chuang
- Rutgers Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Weida Wu
- Rutgers Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Jonathan D Denlinger
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - L Andrew Wray
- Department of Physics, New York University, New York, New York 10003, USA
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Kim JJ, Kim HJ, Yu JJ, Yun SW, Lee KY, Yoon KL, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Jun HO, Ha KS, Hong YM, Jang GY, Lee JK. IgA Levels Are Associated with Coronary Artery Lesions in Kawasaki Disease. Korean Circ J 2021; 51:267-278. [PMID: 33655727 PMCID: PMC7925970 DOI: 10.4070/kcj.2020.0345] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/06/2020] [Accepted: 11/11/2020] [Indexed: 11/11/2022] Open
Abstract
Background and Objectives Kawasaki disease (KD) is an acute systemic vasculitis that affects the coronary arteries. Abnormal immune reactions are thought to contribute to disease pathogenesis. The effect of immunoglobulin (Ig) isotype (IgG, IgA, IgM, and IgE) on inflammatory data and clinical outcomes of patients with KD was examined. Methods Ig levels in 241 patients with KD were measured during the acute, subacute, convalescent, and normal phases of the disease. Results Compared with reference Ig values, IgG, IgA, and IgM levels were significantly higher in the subacute phase, while IgE levels were elevated in 73.9% (178/241) of patients with KD in all clinical phases. However, high IgE levels were not associated with clinical outcomes, including intravenous immunoglobulin unresponsiveness and coronary artery lesions (CALs). Significantly more CALs were observed in the high IgA group than in the normal IgA group (44.7% vs. 20.8%, respectively; p<0.01). In addition, IgA levels in the acute phase (p=0.038) were 2.2-fold higher, and those in the subacute phase were 1.7-fold higher (p <0.001), in the CAL group than in the non-CAL group. IgA concentrations increased along with the size of the coronary artery aneurysm (p <0.001). Furthermore, there was a strong correlation between IgA levels and CAL size (r=0.435, p<0.001), with a high odds ratio of 2.58 (p=0.022). Conclusions High IgA levels in patients with KD are prognostic for the risk of CALs.
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Affiliation(s)
- Jae Jung Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Hea Ji Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Jeong Jin Yu
- Department of Pediatrics, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea
| | - Kyung Yil Lee
- Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Hong Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Myung Ki Han
- Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Paik Hospital, Busan, Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan, Korea
| | - Hyun Ok Jun
- Department of Pediatrics and Adolescent Medicine, Myongji Hospital, Goyang, Korea
| | - Kee Soo Ha
- Department of Pediatrics, Korea University Guro Hospital, Seoul, Korea
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea
| | - Gi Young Jang
- Department of Pediatrics, Korea University Ansan Hospital, Ansan, Korea
| | - Jong Keuk Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea.
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Kwon YC, Sim BK, Yu JJ, Yun SW, Yoon KL, Lee KY, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Jang GY, Hong YM, Kwon OJ, Oh HB, Lee JK. HLA-B*54:01 Is Associated With Susceptibility to Kawasaki Disease. Circ Genom Precis Med 2020; 12:e002365. [PMID: 31017802 DOI: 10.1161/circgen.118.002365] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Young-Chang Kwon
- Asan Institute for Life Sciences (Y.-C.K., B.K.S., J.-K.L.), Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Bo Kyung Sim
- Asan Institute for Life Sciences (Y.-C.K., B.K.S., J.-K.L.), Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jeong Jin Yu
- Department of Pediatrics (J.J.Y.), Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul (S.W.Y.)
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul (K.L.Y.)
| | - Kyung-Yil Lee
- Department of Pediatrics, Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon (K.-Y.L.)
| | - Hong-Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon (H.-R.K.)
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul (G.B.K.)
| | - Myung-Ki Han
- Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung (M.-K.H.)
| | - Min Seob Song
- Department of Pediatrics, Inje University Paik Hospital, Busan (M.S.S.)
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan (H.D.L.)
| | - Gi Young Jang
- Department of Pediatrics, Korea University Hospital, Seoul (G.Y.J.)
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Hospital, Seoul (Y.M.H.)
| | | | - Heung-Bum Oh
- Department of Laboratory Medicine (H.-B.O.), Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jong-Keuk Lee
- Asan Institute for Life Sciences (Y.-C.K., B.K.S., J.-K.L.), Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Lee E, Kim CH, Lee YJ, Kim HB, Kim BS, Kim HY, Kim Y, Kim S, Park C, Seo JH, Sol IS, Sung M, Song MS, Song DJ, Ahn YM, Oh HL, Yu J, Jung S, Lee KS, Lee JS, Jang GC, Jang YY, Chung EH, Chung HL, Choi SM, Choi YJ, Han MY, Shim JY, Kim JT, Kim CK, Yang HJ. Annual and seasonal patterns in etiologies of pediatric community-acquired pneumonia due to respiratory viruses and Mycoplasma pneumoniae requiring hospitalization in South Korea. BMC Infect Dis 2020; 20:132. [PMID: 32050912 PMCID: PMC7017508 DOI: 10.1186/s12879-020-4810-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 01/21/2020] [Indexed: 11/24/2022] Open
Abstract
Background Community–acquired pneumonia (CAP) is one of the leading worldwide causes of childhood morbidity and mortality. Its disease burden varies by age and etiology and is time dependent. We aimed to investigate the annual and seasonal patterns in etiologies of pediatric CAP requiring hospitalization. Methods We conducted a retrospective study in 30,994 children (aged 0–18 years) with CAP between 2010 and 2015 at 23 nationwide hospitals in South Korea. Mycoplasma pneumoniae (MP) pneumonia was clinically classified as macrolide-sensitive MP, macrolide-less effective MP (MLEP), and macrolide-refractory MP (MRMP) based on fever duration after initiation of macrolide treatment, regardless of the results of in vitro macrolide sensitivity tests. Results MP and respiratory syncytial virus (RSV) were the two most commonly identified pathogens of CAP. With the two epidemics of MP pneumonia (2011 and 2015), the rates of clinical MLEP and MRMP pneumonia showed increasing trends of 36.4% of the total MP pneumonia. In children < 2 years of age, RSV (34.0%) was the most common cause of CAP, followed by MP (9.4%); however, MP was the most common cause of CAP in children aged 2–18 years of age (45.3%). Systemic corticosteroid was most commonly administered for MP pneumonia. The rate of hospitalization in intensive care units was the highest for RSV pneumonia, and ventilator care was most commonly needed in cases of adenovirus pneumonia. Conclusions The present study provides fundamental data to establish public health policies to decrease the disease burden due to CAP and improve pediatric health.
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Affiliation(s)
- Eun Lee
- Department of Pediatrics, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, South Korea
| | - Chul-Hong Kim
- Department of Pediatrics, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea
| | - Yong Ju Lee
- Department of Pediatrics, Hallym University Kangnam Sacred Heart Hospital, Seoul, South Korea
| | - Hyo-Bin Kim
- Asthma and Allergy Center, Department of Pediatrics, Inje University Sanggye Paik Hospital, 1342 Dongil-ro, Nowon-gu, Seoul, 01757, South Korea
| | - Bong-Seong Kim
- Department of Pediatrics, Ulsan University Gangneung Asan Hospital, Gangneung, South Korea
| | - Hyung Young Kim
- Department of Pediatrics, Pusan National University Children's Hospital, Yangsan, South Korea
| | - Yunsun Kim
- SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, South Korea
| | - Sangyoung Kim
- SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, South Korea
| | - Chorong Park
- SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, South Korea
| | - Ju-Hee Seo
- Department of Pediatrics, Dankook University Hospital, Dankook University Medical School, Cheonan, South Korea
| | - In Suk Sol
- Department of Pediatrics, Hallym University Chuncheon Sacred Heart Hospital, Chuncheon, South Korea
| | - Myongsoon Sung
- Department of Pediatrics, Soonchunhyang University Gumi Hospital, Seoul, South Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Haeundae Paik Hospital, Pusan, South Korea
| | - Dae Jin Song
- Department of Pediatrics, Korea University Guro Hospital, Korea University College of Medicine, Seoul, South Korea
| | - Young Min Ahn
- Department of Pediatrics, Eulji University, Eulji General Hospital, Seoul, South Korea
| | - Hea Lin Oh
- Department of Pediatrics, Korea Cancer Center Hospital, Seoul, South Korea
| | - Jinho Yu
- Department of Pediatrics, Asan Medical Center, Ulsan University Medical School, Seoul, South Korea
| | - Sungsu Jung
- Department of Pediatrics, Pusan National University Children's Hospital, Yangsan, South Korea
| | - Kyung Suk Lee
- Department of Pediatrics, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, South Korea
| | - Ju Suk Lee
- Department of Pediatrics, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea
| | - Gwang Cheon Jang
- Department of Pediatrics, National Health Insurance Service, Ilsan Hospital, Ilsan, South Korea
| | - Yoon-Young Jang
- Department of Pediatrics, Catholic University of Daegu School of Medicine, Daegu, South Korea
| | - Eun Hee Chung
- Department of Pediatrics, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, South Korea
| | - Hai Lee Chung
- Department of Pediatrics, Catholic University of Daegu School of Medicine, Daegu, South Korea
| | - Sung-Min Choi
- Department of Pediatrics, Dongguk University Kyungju Hospital, Kyungju, South Korea
| | - Yun Jung Choi
- Department of Pediatrics, Seoul National University Children Hospital, Seoul, South Korea
| | - Man Yong Han
- Department of Pediatrics, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, South Korea
| | - Jung Yeon Shim
- Department of Pediatrics, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Jin Tack Kim
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Chang-Keun Kim
- Asthma and Allergy Center, Department of Pediatrics, Inje University Sanggye Paik Hospital, 1342 Dongil-ro, Nowon-gu, Seoul, 01757, South Korea.
| | - Hyeon-Jong Yang
- SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, South Korea. .,Department of Pediatrics, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, South Korea.
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Kwon YC, Kim JJ, Yun SW, Yu JJ, Yoon KL, Lee KY, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Ha KS, Sohn S, Hong YM, Jang GY, Lee JK. BCL2L11 Is Associated With Kawasaki Disease in Intravenous Immunoglobulin Responder Patients. Circ Genom Precis Med 2019; 11:e002020. [PMID: 29453247 DOI: 10.1161/circgen.117.002020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Young-Chang Kwon
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Jae-Jung Kim
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Sin Weon Yun
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Jeong Jin Yu
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Kyung Lim Yoon
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Kyung-Yil Lee
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Hong-Ryang Kil
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Gi Beom Kim
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Myung-Ki Han
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Min Seob Song
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Hyoung Doo Lee
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Kee Soo Ha
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Sejung Sohn
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Young Mi Hong
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Gi Young Jang
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
| | - Jong-Keuk Lee
- From the Asan Institute for Life Sciences (Y.-C.K., J.-J.K., J.-K.L) and Department of Pediatrics, Asan Medical Center (J.J.Y.), University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea (S.W.Y.); Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea (K.L.Y.); Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary's Hospital, Daejeon, Korea (K.-Y.L.); Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea (H.-R.K.); Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea (G.B.K.); Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea (M.-K.H.); Department of Pediatrics, Inje University Paik Hospital, Busan, Korea (M.S.S.); Department of Pediatrics, Pusan National University Hospital, Busan, Korea (H.D.L.); Department of Pediatrics, Korea University Hospital, Seoul, Korea (K.S.H., G.Y.J.); and Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea (S.S., Y.M.H.)
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Song MS. Predictors and management of intravenous immunoglobulin-resistant Kawasaki disease. Korean J Pediatr 2019; 62:119-123. [PMID: 30999718 PMCID: PMC6477551 DOI: 10.3345/kjp.2019.00150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 03/13/2019] [Indexed: 02/07/2023]
Abstract
Kawasaki disease (KD) is a systemic vasculitis that mainly affects younger children. Intravenous immunoglobulin (IVIG) resistant cases are at increasing risk for coronary artery complications. The strategy on prediction of potential nonresponders and treatment of IVIG-resistant patients is now controversial. In this review the definition and predictors of IVIG-resistant KD and current evidence to guide management are discussed.
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Affiliation(s)
- Min Seob Song
- Department of Pediatrics, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
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Kwon YC, Kim JJ, Yu JJ, Yun SW, Yoon KL, Lee KY, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Ha KS, Sohn S, Hong YM, Jang GY, Lee JK. Identification of the TIFAB Gene as a Susceptibility Locus for Coronary Artery Aneurysm in Patients with Kawasaki Disease. Pediatr Cardiol 2019; 40:483-488. [PMID: 30267110 DOI: 10.1007/s00246-018-1992-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [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: 07/15/2018] [Accepted: 09/25/2018] [Indexed: 12/17/2022]
Abstract
Kawasaki disease (KD) is a self-limiting systemic vasculitis of unknown etiology. KD is often complicated by coronary artery aneurysms (CAAs), which develop in about 20-25% of untreated children and 3-5% of children treated with intravenous immunoglobulin therapy. To identify the risk loci for CAA susceptibility in patients with KD, we performed a genome-wide association study (GWAS) using our previous Illumina HumanOmni1-Quad BeadChip data (296 KD patients) and a new replication study in an independent sample set (713 KD patients) by grouping KD patients without CAA (control) versus KD patients with extremely large aneurysms (diameter ≥ 5 mm) (case). Among 44 candidate single -nucleotide polymorphisms (SNPs) selected from the initial GWAS data (33 cases vs. 215 controls), a SNP (rs899162) located 7 kb upstream of the TIFAB gene on chromosome five was replicated in an independent sample (12 cases vs. 532 controls). In the combined analysis (45 cases vs. 747 controls), the SNP (rs899162) showed a highly significant association with CAA formation (diameter ≥ 5 mm) in patients with KD (odds ratio = 3.20, 95% confidence interval = 2.02-5.05, Pcombined = 1.95 × 10-7). These results indicate that the TIFAB gene may act as a CAA susceptibility locus in patients with KD.
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Affiliation(s)
- Young-Chang Kwon
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, South Korea
| | - Jae-Jung Kim
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, South Korea
| | - Jeong Jin Yu
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul, South Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, South Korea
| | - Kyung-Yil Lee
- Department of Pediatrics, Daejeon St. Mary's Hospital, The Catholic University of Korea, Daejeon, South Korea
| | - Hong-Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon, South Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, South Korea
| | - Myung-Ki Han
- Department of Pediatrics, Gangneung Asan Hospital, University of Ulsan, Gangneung, South Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Paik Hospital, Busan, South Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan, South Korea
| | - Kee Soo Ha
- Department of Pediatrics, Korea University Hospital, Seoul, South Korea
| | - Sejung Sohn
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, South Korea
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, South Korea
| | - Gi Young Jang
- Department of Pediatrics, Korea University Hospital, Seoul, South Korea
| | - Jong-Keuk Lee
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, South Korea.
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13
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Lee YJ, Kim HB, Kim BS, Kim CK, Kim CH, Kim HY, Kim S, Kim Y, Park C, Seo JH, Sol IS, Sung M, Song MS, Song DJ, Ahn YM, Oh HL, Yu J, Lee KS, Lee E, Lee JS, Jang GC, Jang YY, Chung EH, Chung HL, Choi SM, Choi YJ, Han MY, Yang HJ, Shim JY, Kim JT. Seasonal patterns and etiologies of croup in children during the period 2010–2015: A multicenter retrospective study. Allergy Asthma Respir Dis 2019. [DOI: 10.4168/aard.2019.7.2.78] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Yong Ju Lee
- Department of Pediatrics, Hallym University Kangnam Sacred Heart Hospital, Seoul, Korea
| | - Hyo-Bin Kim
- Department of Pediatrics, Asthma and Allergy Center, Inje University Sanggye Paik Hospital, Seoul, Korea
| | - Bong-Seong Kim
- Department of Pediatrics, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea
| | - Chang-Keun Kim
- Department of Pediatrics, Asthma and Allergy Center, Inje University Sanggye Paik Hospital, Seoul, Korea
| | - Cheol Hong Kim
- Department of Pediatrics, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea
| | - Hyung Young Kim
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Sangyoung Kim
- SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Yunsun Kim
- SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Chorong Park
- SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Ju-Hee Seo
- Department of Pediatrics, Dankook University Hospital, Cheonan, Korea
| | - In Suk Sol
- Department of Pediatrics, Yonsei University Severance Hospital, Seoul, Korea
| | - Myongsoon Sung
- Department of Pediatrics, Soonchunhyang University Gumi Hospital, Gumi, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Dae Jin Song
- Department of Pediatrics, Korea University Guro Hospital, Seoul, Korea
| | - Young Min Ahn
- Department of Pediatrics, Eulji University Eulji General Hospital, Seoul, Korea
| | - Hea Lin Oh
- Department of Pediatrics, Korea Cancer Center Hospital, Seoul, Korea
| | - Jinho Yu
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kyung Suk Lee
- Department of Pediatrics, Hanyang University Guri Hospital, Guri, Korea
| | - Eun Lee
- Department of Pediatrics, Chonnam National University Hospital, Gwangju, Korea
| | - Ju Suk Lee
- Department of Pediatrics, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea
| | - Gwang Cheon Jang
- Department of Pediatrics, National Health Insurance Service, Ilsan Hospital, Ilsan, Korea
| | - Yoon Young Jang
- Department of Pediatrics, Daegu Catholic University Medical Center, Daegu, Korea
| | - Eun Hee Chung
- Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea
| | - Hai Lee Chung
- Department of Pediatrics, Daegu Catholic University Medical Center, Daegu, Korea
| | - Sung-Min Choi
- Department of Pediatrics, Dongguk University Gyungju Hospital, Gyungju, Korea
| | - Yun Jung Choi
- Department of Pediatrics, Sowha Children's Hospital, Seoul, Korea
- Department of Pediatrics, Seoul National University Children Hospital, Seoul, Korea
| | - Man Yong Han
- Department of Pediatrics, CHA University CHA Bundang Medical Center, Seongnam, Korea
| | - Hyeon-Jong Yang
- SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, Korea
- Department of Pediatrics, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Jung Yeon Shim
- Division of Pediatric Allergy & Pulmonology, Department of Pediatrics, Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital, Seoul, Korea
| | - Jin-Tack Kim
- Department of Pediatric Allergy & Pneumology, Catholic University Uijeongbu St. Mary's Hospital, Uijeongbu, Korea
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14
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Hur G, Song MS, Sohn S, Lee HD, Kim GB, Cho HJ, Yoon KL, Joo CU, Hyun MC, Kim CH. Infliximab Treatment for Intravenous Immunoglobulin-resistant Kawasaki Disease: a Multicenter Study in Korea. Korean Circ J 2018; 49:183-191. [PMID: 30468032 PMCID: PMC6351283 DOI: 10.4070/kcj.2018.0214] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [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: 06/26/2018] [Revised: 08/28/2018] [Accepted: 09/18/2018] [Indexed: 12/13/2022] Open
Abstract
Background and Objectives We investigated the status of infliximab use in intravenous immunoglobulin (IVIG)-resistant Kawasaki disease (KD) patients and the incidence of coronary artery aneurysms (CAAs) according to treatment regimens. Methods Between March 2010 and February 2017, 16 hospitals participated in this study. A total of 102 (32.3±19.9 months, 72 males) who received infliximab at any time after first IVIG treatment failure were enrolled. Data were retrospectively collected using a questionnaire. Results Subjects were divided into two groups according to the timing of infliximab administration. Early treatment (group 1) had shorter fever duration (10.5±4.4 days) until infliximab infusion than that in late treatment (group 2) (16.4±4.5 days; p<0.001). We investigated the response rate to infliximab and the incidence of significant CAA (z-score >5). Overall response rate to infliximab was 89/102 (87.3%) and the incidence of significant CAA was lower in group 1 than in group 2 (1/42 [2.4%] vs. 17/60 [28.3%], p<0.001). Conclusions This study suggests that the early administration of infliximab may reduce the incidence of significant CAA in patients with IVIG-resistant KD. However, further prospective randomized studies with larger sample sizes are required.
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Affiliation(s)
- Gyu Hur
- Department of Pediatrics, Inje University, Haeundae Paik Hospital, Busan, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University, Haeundae Paik Hospital, Busan, Korea.
| | - Sejung Sohn
- Department of Pediatrics, Ewha Womans University, Mokdong Hospital, Seoul, Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Busan National University, Children's Hospital, Busan, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University, Children's Hospital, Seoul, Korea
| | - Hwa Jin Cho
- Department of Pediatrics, Chonnam National University, Children's Hospital, Gwangju, Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Chan Uhng Joo
- Department of Pediatrics, Chonbuk National University Medical School, Children's Hospital, Cheonju, Korea
| | - Myung Chul Hyun
- Department of Pediatrics, Kyungpook National University, School of Medicine, Daegu, Korea
| | - Chul Ho Kim
- Department of Pediatrics, Inje University, Busan Paik Hospital, Busan, Korea
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15
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Sim BK, Park H, Kim JJ, Yun SW, Yu JJ, Yoon KL, Lee KY, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Ha KS, Sohn S, Hong YM, Jang GY, Lee JK. Assessment of the Clinical Heterogeneity of Kawasaki Disease Using Genetic Variants of BLK and FCGR2A. Korean Circ J 2018; 49:99-108. [PMID: 30468029 PMCID: PMC6331319 DOI: 10.4070/kcj.2018.0224] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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: 07/04/2018] [Revised: 08/16/2018] [Accepted: 09/11/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Patients with Kawasaki disease (KD) are clinically heterogeneous because its diagnosis is based solely on clinical observation and there are no definitive biomarkers. We dissected the clinical heterogeneity of KD patients using the KD-associated genetic variants. METHODS We performed a genetic association analysis in several KD subgroups categorized by clinical characteristics using the KD-associated variants of the B lymphoid tyrosine kinase (BLK; rs6993775) and Fc gamma receptor II a (FCGR2A; rs1801274) in a large number of case (n=1,011) and control (n=4,533) samples. RESULTS BLK and FCGR2A were very significantly associated with KD in Korean KD patients (odds ratio [OR],1.48; p=4.63×10⁻¹¹ for BLK, and OR, 1.26; p=1.42×10⁻⁴ for FCGR2A). However, in KD subgroup analysis, we found that neither BLK nor FCGR2A were associated with either incomplete Kawasaki disease (iKD) type patients or those older than 5 years of age (p>0.2), suggesting that patients with iKD or those older than 5 years of age are a unique subgroup of KD. In genetic association analysis after excluding iKD patients and those older than 5 years old, we found that BLK was associated with all KD subgroups, whereas FCGR2A was specifically associated with male KD patients younger than 1 year of age (OR, 2.22; p=2.35×10⁻⁵). CONCLUSIONS KD is a clinically and genetically heterogeneous disease. These findings will provide new insights into the clinical and genetic heterogeneity of KD.
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Affiliation(s)
- Bo Kyung Sim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Hyein Park
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Jae Jung Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea
| | - Jeong Jin Yu
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Kyung Yil Lee
- Department of Pediatrics, Daejeon St. Mary's Hospital, The Catholic University of Korea, Daejeon, Korea
| | - Hong Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Myung Ki Han
- Department of Pediatrics, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Paik Hospital, Busan, Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan, Korea
| | - Kee Soo Ha
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Sejung Sohn
- Department of Pediatrics, Ewha Womans University Medical Center, Seoul, Korea
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Medical Center, Seoul, Korea
| | - Gi Young Jang
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Jong Keuk Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea.
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16
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Kim MJ, Shin JY, Oh JA, Jeong KE, Choi YS, Park Q, Song MS, Lee DH. Identification of transfusion-transmitted hepatitis A through postdonation information in Korea: results of an HAV lookback (2007-2012). Vox Sang 2018; 113:547-554. [PMID: 30003551 DOI: 10.1111/vox.12672] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [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: 04/26/2017] [Revised: 05/03/2018] [Accepted: 05/10/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND AND OBJECTIVES Despite safety measures to minimize the risk of transfusion-transmitted infections, a residual risk remains. To trace and review some such cases, we ask donors to notify the blood centre if they are diagnosed with an infection after they donate blood. MATERIALS AND METHODS We analysed all data on postdonation cases of hepatitis A reported between 2007 and 2012. Archived specimens from these donors were tested for hepatitis A virus (HAV) using anti-HAV IgM/IgG and HAV-PCR as markers. If any of the test results were positive, we reviewed the medical records of the recipients and, if necessary, tested them for hepatitis A. RESULTS Fifteen blood donors notified the blood centres of having been diagnosed with hepatitis A after donation. All archived samples except for one were HAV-PCR-positive and anti-HAV IgM/IgG-negative. Of the donated components, four RBCs and 14 FFPs had not been transfused to patients and were recalled. Among 26 recipients of the implicated components, fourteen were still alive when they were notified. Two patients showed clinical symptoms of hepatitis A and had positive results with anti-HAV IgM. CONCLUSION Transfusion-transmitted hepatitis A is rare but exists. To reduce the risk, donors should be told to notify the blood centre if they are diagnosed with blood-borne diseases after they donate blood. Physicians should consider the possibility of transfusion-transmitted hepatitis A if a transfused patient has hepatitis A but no history of travel or route of faecal-oral infection.
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Affiliation(s)
- M J Kim
- Department of Laboratory Medicine, Myongji Hospital, Goyang, Korea
| | - J Y Shin
- Division of Human Blood Safety Surveillance, Korea Centers for Disease Control and Prevention, Osong, Korea
| | - J A Oh
- Division of Human Blood Safety Surveillance, Korea Centers for Disease Control and Prevention, Osong, Korea
| | - K E Jeong
- Division of Human Blood Safety Surveillance, Korea Centers for Disease Control and Prevention, Osong, Korea
| | - Y S Choi
- Division of Human Blood Safety Surveillance, Korea Centers for Disease Control and Prevention, Osong, Korea
| | - Q Park
- Armed Forces Medical Research Institute, Daejeon, Korea
| | - M S Song
- Department of Nursing, Konyang University College of Nursing, Daejeon, Korea
| | - D H Lee
- Division of Infectious Disease Surveillance, Korea Centers for Disease Control and Prevention, Osong, Korea
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17
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Kim HJ, Yun SW, Yu JJ, Yoon KL, Lee KY, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Ha KS, Sohn S, Ebata R, Hamada H, Suzuki H, Kamatani Y, Kubo M, Ito K, Onouchi Y, Hong YM, Jang GY, Lee JK. Identification of LEF1 as a Susceptibility Locus for Kawasaki Disease in Patients Younger than 6 Months of Age. Genomics Inform 2018; 16:36-41. [PMID: 30304924 PMCID: PMC6187808 DOI: 10.5808/gi.2018.16.2.36] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [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: 03/23/2018] [Accepted: 04/11/2018] [Indexed: 01/25/2023] Open
Abstract
Kawasaki disease (KD) is an acute febrile vasculitis predominately affecting infants and children. The dominant incidence age of KD is from 6 months to 5 years of age, and the incidence is unusual in those younger than 6 months and older than 5 years of age. We tried to identify genetic variants specifically associated with KD in patients younger than 6 months or older than 5 years of age. We performed an age-stratified genome-wide association study using the Illumina HumanOmni1-Quad BeadChip data (296 cases vs. 1,000 controls) and a replication study (1,360 cases vs. 3,553 controls) in the Korean population. Among 26 candidate single nucleotide polymorphisms (SNPs) tested in replication study, only a rare nonsynonymous SNP (rs4365796: c.1106C>T, p.Thr369Met) in the lymphoid enhancer binding factor 1 (LEF1) gene was very significantly associated with KD in patients younger than 6 months of age (odds ratio [OR], 3.07; pcombined = 1.10 × 10-5), whereas no association of the same SNP was observed in any other age group of KD patients. The same SNP (rs4365796) in the LEF1 gene showed the same direction of risk effect in Japanese KD patients younger than 6 months of age, although the effect was not statistically significant (OR, 1.42; p = 0.397). This result indicates that the LEF1 gene may play an important role as a susceptibility gene specifically affecting KD patients younger than 6 months of age.
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Affiliation(s)
- Hea-Ji Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul 06973, Korea
| | - Jeong Jin Yu
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul 05278, Korea
| | - Kyung-Yil Lee
- Department of Pediatrics, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Daejeon 34943, Korea
| | - Hong-Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon 35015, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul 03080, Korea
| | - Myung-Ki Han
- Department of Pediatrics, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung 25440, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Busan Paik Hospital, Busan 47392, Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan 49241, Korea
| | - Kee Soo Ha
- Department of Pediatrics, Korea University Ansan Hospital, Ansan 15355, Korea
| | - Sejung Sohn
- Department of Pediatrics, Ewha Womans University Hospital, Seoul 07985, Korea
| | - Ryota Ebata
- Department of Pediatrics, Chiba-University Graduate School of Medicine, Chiba 260-8670, Japan
| | - Hiromichi Hamada
- Department of Pediatrics, Tokyo Women's Medical University Yachivo Medical Center, Yachivo 276-8524, Japan
| | - Hiroyuki Suzuki
- Department of Pediatrics, Wakayama Medical University, Wakayama 641-8509, Japan
| | - Yoichiro Kamatani
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Michiaki Kubo
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Kaoru Ito
- Laboratory for Cardiovascular Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Yoshihiro Onouchi
- Laboratory for Cardiovascular Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Hospital, Seoul 07985, Korea
| | - Gi Young Jang
- Department of Pediatrics, Korea University Ansan Hospital, Ansan 15355, Korea
| | - Jong-Keuk Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul 05505, Korea
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18
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Liu JN, Dolikun M, Štambuk J, Trbojević-Akmačić I, Zhang J, Wang H, Zheng DQ, Zhang XY, Peng HL, Zhao ZY, Liu D, Sun Y, Sun Q, Li QH, Zhang JX, Sun M, Cao WJ, Momčilović A, Razdorov G, Wu LJ, Russell A, Wang YX, Song MS, Lauc G, Wang W. The association between subclass-specific IgG Fc N-glycosylation profiles and hypertension in the Uygur, Kazak, Kirgiz, and Tajik populations. J Hum Hypertens 2018; 32:555-563. [PMID: 29867134 DOI: 10.1038/s41371-018-0071-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 03/15/2018] [Accepted: 04/06/2018] [Indexed: 01/01/2023]
Abstract
Hypertension results from the interaction of genetic and acquired factors. IgG occurs in the form of different subclasses, of which the effector functions show significant variation. The detailed differences between the glycosylation profiles of the individual IgG subclasses may be lost in a profiling method for total IgG N-glycosylation. In this study, subclass-specific IgG Fc glycosylation profile was investigated in the four northwestern Chinese minority populations, namely, Uygur (UIG), Kazak (KZK), Kirgiz (KGZ), and Tajik (TJK), composed of 274 hypertensive patients and 356 healthy controls. The results showed that ten directly measured IgG N-glycan traits (i.e., IgG1G0F, IgG2G0F, IgG2G1FN, IgG2G1FS, IgG2G2S, IgG4G0F, IgG4G1FS, IgG4G1S, IgG4G2FS, and IgG4G2N) representing galactosylation and sialylation are significantly associated with hypertension, with IgG4 consistently showing weaker associations of its sialylation, across the four ethnic groups. We observed a modest improvement on the AUC of ROC curve when the IgG Fc N-glycan traits are added into the glycan-based model (difference between AUCs, 0.044, 95% CI: 0.016-0.072, P = 0.002). The AUC of the diagnostic model indicated that the subclass-specific IgG Fc N-glycan profiles provide more information reinforcing current models utilizing age, gender, BMI, and ethnicity, and demonstrate the potential of subclass-specific IgG Fc N-glycosylation profiles to serve as a biomarker for hypertension. Further research is however required to determine the additive value of subclass-specific IgG Fc N-glycosylation on top of biomarkers, which are currently used.
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Affiliation(s)
- J N Liu
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - M Dolikun
- College of the Life Sciences and Technology, Xinjiang University, Urumqi, China
| | - J Štambuk
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | | | - J Zhang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - H Wang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - D Q Zheng
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - X Y Zhang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - H L Peng
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Z Y Zhao
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - D Liu
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Y Sun
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Q Sun
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Q H Li
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - J X Zhang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - M Sun
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - W J Cao
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - A Momčilović
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - G Razdorov
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - L J Wu
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - A Russell
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
| | - Y X Wang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China.
| | - M S Song
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China. .,School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia.
| | - G Lauc
- Genos Glycoscience Research Laboratory, Zagreb, Croatia.,Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - W Wang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China.,School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
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19
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Kim MK, Song MS, Kim GB. Factors Predicting Resistance to Intravenous Immunoglobulin Treatment and Coronary Artery Lesion in Patients with Kawasaki Disease: Analysis of the Korean Nationwide Multicenter Survey from 2012 to 2014. Korean Circ J 2017; 48:71-79. [PMID: 29171205 PMCID: PMC5764872 DOI: 10.4070/kcj.2017.0136] [Citation(s) in RCA: 28] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 09/12/2017] [Accepted: 10/10/2017] [Indexed: 12/11/2022] Open
Abstract
Background and Objectives Approximately 10–15% of children with Kawasaki disease (KD) do not respond to initial intravenous immunoglobulin (IVIG) and have higher risk for coronary artery lesion (CAL). The aim of this study was to identify predictive factors from laboratory findings in patients who do not respond to IVIG treatment and develop CAL from KD. Methods We retrospectively collected nationwide multicenter data from the Korean Society of Kawasaki Disease and included 5,151 patients with KD between 2012 and 2014 from 38 hospitals. Results Among 5,151 patients with KD, 524 patients belonged to the IVIG-resistant group. The patients in the IVIG-resistant group had a significantly higher serum N-terminal pro-brain natriuretic peptide (NT-proBNP) level (1,573.91±3,166.46 vs. 940.62±2,326.10 pg/mL; p<0.001) and a higher percentage of polymorphonuclear neutrophils (PMNs) (70.89±15.75% vs. 62.38±32.94%; p<0.001). Multivariate logistic regression analyses revealed that significantly increased PMN, NT-proBNP, C-reactive protein (CRP), aspartate aminotransferase (AST), and alanine aminotransferase (ALT) were the predictors of IVIG resistance (p<0.05). Multivariate logistic regression analyses also showed that only CRP was associated with the risk of CAL (p<0.01), while PMN, NT-proBNP, AST, and ALT were not. Conclusions Elevated PMN, serum NT-proBNP, CRP, AST, and ALT levels are significantly associated with IVIG resistance in patients with KD. Moreover, serum CRP is significantly increased in patients with KD with CAL.
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Affiliation(s)
- Min Kyu Kim
- Department of Pediatrics, Good Moonwha Hospital, Busan, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Haeundae Paik Hospital, Busan, Korea.
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
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20
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Kwon YC, Kim JJ, Yun SW, Yu JJ, Yoon KL, Lee KY, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Ha KS, Sohn S, Ebata R, Hamada H, Suzuki H, Ito K, Onouchi Y, Hong YM, Jang GY, Lee JK. Male-specific association of the FCGR2A His167Arg polymorphism with Kawasaki disease. PLoS One 2017; 12:e0184248. [PMID: 28886140 PMCID: PMC5590908 DOI: 10.1371/journal.pone.0184248] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 08/17/2017] [Indexed: 01/18/2023] Open
Abstract
Kawasaki disease (KD) is an acute systemic vasculitis that can potentially cause coronary artery aneurysms in some children. KD occurs approximately 1.5 times more frequently in males than in females. To identify sex-specific genetic variants that are involved in KD pathogenesis in children, we performed a sex-stratified genome-wide association study (GWAS), using the Illumina HumanOmni1-Quad BeadChip data (249 cases and 1,000 controls) and a replication study for the 34 sex-specific candidate SNPs in an independent sample set (671 cases and 3,553 controls). Male-specific associations were detected in three common variants: rs1801274 in FCGR2A [odds ratio (OR) = 1.40, P = 9.31 × 10-5], rs12516652 in SEMA6A (OR = 1.87, P = 3.12 × 10-4), and rs5771303 near IL17REL (OR = 1.57, P = 2.53 × 10-5). The male-specific association of FCGR2A, but not SEMA6A and IL17REL, was also replicated in a Japanese population (OR = 1.74, P = 1.04 × 10-4 in males vs. OR = 1.22, P = 0.191 in females). In a meta-analysis with 1,461 cases and 5,302 controls, a very strong association of KD with the nonsynonymous SNP rs1801274 (p.His167Arg, previously assigned as p.His131Arg) in FCGR2A was confirmed in males (OR = 1.48, P = 1.43 × 10-7), but not in the females (OR = 1.17, P = 0.055). The present study demonstrates that p.His167Arg, a KD-associated FCGR2A variant, acts as a susceptibility gene in males only. Overall, the gender differences associated with FCGR2A in KD provide a new insight into KD susceptibility.
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Affiliation(s)
- Young-Chang Kwon
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Jae-Jung Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea
| | - Jeong Jin Yu
- Department of Pediatrics, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Kyung-Yil Lee
- Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary’s Hospital, Daejeon, Korea
| | - Hong-Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Myung-Ki Han
- Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan, Korea
| | - Kee-Soo Ha
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Sejung Sohn
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea
| | - Ryota Ebata
- Department of Pediatrics, Chiba-University Graduate School of Medicine, Chiba, Japan
| | - Hiromichi Hamada
- Department of Pediatrics, Tokyo Women’s Medical University Yachiyo Medical Center, Yachiyo, Japan
| | - Hiroyuki Suzuki
- Department of Pediatrics, Wakayama Medical University, Wakayama, Japan
| | - Kaoru Ito
- Laboratory for Cardiovascular diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Yoshihiro Onouchi
- Laboratory for Cardiovascular diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Department of Public Health, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea
| | - Gi Young Jang
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Jong-Keuk Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
- * E-mail:
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Kim JJ, Yun SW, Yu JJ, Yoon KL, Lee KY, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Ha KS, Sohn S, Johnson TA, Takahashi A, Kubo M, Tsunoda T, Ito K, Onouchi Y, Hong YM, Jang GY, Lee JK. A genome-wide association analysis identifies NMNAT2 and HCP5 as susceptibility loci for Kawasaki disease. J Hum Genet 2017; 62:1023-1029. [PMID: 28855716 DOI: 10.1038/jhg.2017.87] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 07/11/2017] [Accepted: 07/31/2017] [Indexed: 02/07/2023]
Abstract
Kawasaki disease (KD), a systemic vasculitis of infants and children, manifests as fever and mucocutaneous inflammation. Although its etiology is largely unknown, the epidemiological data suggest that genetic factors are important in KD susceptibility. To identify genetic variants influencing KD susceptibility, we performed a genome-wide association study (GWAS) and replication study using a total of 915 children with KD and 4553 controls in the Korean population. Six single-nucleotide polymorphisms (SNPs) in three loci were associated significantly with KD susceptibility (P<1.0 × 10-5), including the previously reported BLK locus (rs6993775, odds ratio (OR)=1.52, P=2.52 × 10-11). The other two loci were newly identified: NMNAT2 on chromosome 1q25.3 (rs2078087, OR=1.33, P=1.15 × 10-6) and the human leukocyte antigen (HLA) region on chromosome 6p21.3 (HLA-C, HLA-B, MICA and HCP5) (rs9380242, rs9378199, rs9266669 and rs6938467; OR=1.33-1.51, P=8.93 × 10-6 to 5.24 × 10-8). Additionally, SNP rs17280682 in NLRP14 was associated significantly with KD with a family history (18 cases vs 4553 controls, OR=6.76, P=5.46 × 10-6). These results provide new insights into the pathogenesis and pathophysiology of KD.
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Affiliation(s)
- Jae-Jung Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea
| | - Jeong Jin Yu
- Department of Pediatrics, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Kyung-Yil Lee
- Department of Pediatrics, The Catholic University of Korea, Daejeon St Mary's Hospital, Daejeon, Korea
| | - Hong-Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Myung-Ki Han
- Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Paik Hospital, Busan, Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan, Korea
| | - Kee Soo Ha
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Sejung Sohn
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea
| | - Todd A Johnson
- Laboratory for Medical Science Mathematics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Atsushi Takahashi
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.,Laboratory for Omics Informatics, Omics Research Center, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Michiaki Kubo
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Tatsuhiko Tsunoda
- Laboratory for Medical Science Mathematics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.,Department of Medical Science Mathematics, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kaoru Ito
- Laboratory for Cardiovascular diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Yoshihiro Onouchi
- Laboratory for Cardiovascular diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.,Department of Public Health, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea
| | - Gi Young Jang
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Jong-Keuk Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
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Han JW, Kim MS, Song MS, Kang BY, Cho BK, Lee JS. Application of emitter-sample hybrid terahertz time-domain spectroscopy to investigate temperature-dependent optical constants of doped InAs. Appl Opt 2017; 56:2529-2534. [PMID: 28375363 DOI: 10.1364/ao.56.002529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We investigate temperature-dependent carrier dynamics of InAs crystal by using reflection-type terahertz time-domain spectroscopy, particularly with a recently developed emitter-sample hybrid structure. We successfully obtain the optical conductivity in a terahertz frequency of bulk InAs whose dc conductivity is in the range of 100-150 Ω-1 cm-1. We find that both real and imaginary parts of the optical conductivity can be fit well with the simple Drude model, and the free-carrier density and the scattering rate obtained from the fit are in good agreement with corresponding values obtained by using other techniques, such as the Hall measurement and the dc-resistivity measurement. These results clearly demonstrate that the proposed technique of adopting the emitter-sample hybrid structure can be exploited to determine temperature-dependent optical constants in a reflection geometry and hence to investigate electrodynamics of bulk metallic systems.
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Lee HY, Song MS. Predictive factors of resistance to intravenous immunoglobulin and coronary artery lesions in Kawasaki disease. Korean J Pediatr 2016; 59:477-482. [PMID: 28194213 PMCID: PMC5300912 DOI: 10.3345/kjp.2016.59.12.477] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 10/14/2016] [Accepted: 10/18/2016] [Indexed: 01/18/2023]
Abstract
Purpose We conducted a study to determine which factors may be useful as predictive markers in identifying Kawasaki disease (KD) patients with a high risk of resistance to intravenous immunoglobulin (IVIG) and developing coronary artery lesions (CAL). Methods We enrolled 287 patients in acute phase of KD at a single center. The demographic, clinical and laboratory data were collected retrospectively. Results There were 34 patients in the IVIG resistant group. The IVIG resistant group had significantly higher serum N-terminal-pro-brain natriuretic protein (NT-proBNP) levels (P<0.01) and polymorphonuclear neutrophil (PMN) percentage (P<0.01) in comparison to the IVIG responders. The results yielded sensitivity (78.8%, 60.6%), specificity (58.2%, 90%) and cutoff value (628.6 pg/mL, 80.3%) of NT-proBNP and PMN respectively, in predicting IVIG resistance. Despite IVIG administration, 13 of the 287 patients developed CAL. The patients in the CAL group had higher NT-proBNP levels (P<0.01) and higher PMN percentage (P<0.01). In these patients, the results yielded sensitivity (73.3%, 56.7%), specificity (67.9%, 88.9%) and cutoff value (853.4 pg/mL, 80.3%) of NT-proBNP and PMN respectively, for predicting CAL. The area under the curve (AUC) for predicting resistance to IVIG was NT-proBNP 0.712, PMN 0.802. The AUC for predicting CAL was NT-proBNP 0.739, and PMN 0.773. Conclusion Serum NT-proBNP levels and PMN percentage were significantly elevated in patients with KD with IVIG resistance and CAL. Thus, they may be useful predicting markers for IVIG resistance and development of CAL in KD patients.
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Affiliation(s)
- Hye Young Lee
- Department of Pediatrics, Good Gang-An Hospital, Busan, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Haeundae Paik Hospital, Busan, Korea
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Zohra R, Song MS, Iliham N, Dolikun M. [A comparative study on characterizations of genetic recombination hotspots in PPARG gene between Kirgiz and Uyghur ethnic groups in Xinjiang]. Zhonghua Yi Xue Za Zhi 2016; 96:2487-92. [PMID: 27562048 DOI: 10.3760/cma.j.issn.0376-2491.2016.31.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To investigate the characterizations of genetic recombination hotspots and linkage disequilibrium (LD) patterns in peroxisome proliferative activated receptor gamma (PPARG) gene in Kirgiz and Uyghur ethnic groups. METHODS Blood samples were collected from 100 Kirgiz (50 healthy controls and 50 patients with type 2 diabetes mellitus) residents in Halajun County, Artux City, Kizilsu Kirgiz Autonomous Prefecture, Xinjiang in August 2013, and 50 healthy Uyghur residents in Hotan Prefecture of Xinjiang Uygur Autonomous Region in May 2012.Thirty-one tagSNPs in PPARG gene were genotyped using Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry (MALDI-TOF-MS) method.The recombination hotspots and LD patterns within the PPARG gene were estimated by analyzing the SNP genotying data using the Hotspot Fisher program and Haploview software, respectively. RESULTS Eighteen tagSNPs (rs1151999, rs1175540, rs1875796, rs1899951, rs2292101, rs2921190, rs2938397, rs2959272, rs2959273, rs2972162, rs3856806, rs4135247, rs4135275, rs709151, rs4135354, rs6805419, rs17036700 and rs4135304) were same with relatively higher recombination rates between the patients with type 2 diabetes mellitus (T2DM) and healthy controls of Kirgiz ethnic group, and healthy controls of Uyghur ethnic group.Five haplotype blocks with LD coefficient D' value of 1, indicating no genetic recombination occurred within the region, were observed in the healthy controls of Kirgiz ethnic groups, whereas five haplotype blocks with LD coefficient D' value less than 1 were observed in the Kirgiz patients with T2DM, indicating historical recombination events occurred within the region.Four haplotype blocks with LD coefficient D' value of 1 were observed in the Uyghur healthy controls, indicating no genetic recombination occurred within the region.There were significantly different recombination hotspot profiles between the Kirgiz, Uyghur, Utah residents with Northern and Western European ancestry (CEU), Yoruban in Ibadan, Nigeria (YRI) and Han Chinese in Beijing (CHB) and Japanese in Tokyo (JPT) samples.There are six recombination hotspots in the HapMap profile of genetic recombination.The last 5 SNPs within the PPARG gene were shown with lower recombination rates in the Kirgiz, whereas no recombination hotspot was found in the Uyghur. CONCLUSIONS Variable recombination rates may be present in certain chromosome region between patients and healthy controls within the same or between the different ethnic groups.There may be presence of recombination hotspots of ethnic specificity and with variable recombination rates.
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Affiliation(s)
- Rozi Zohra
- College of the Life Sciences and Technology, Xinjiang University, Urumqi 830046, China
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Baek JY, Song MS. Meta-analysis of factors predicting resistance to intravenous immunoglobulin treatment in patients with Kawasaki disease. Korean J Pediatr 2016; 59:80-90. [PMID: 26958067 PMCID: PMC4781736 DOI: 10.3345/kjp.2016.59.2.80] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 07/08/2015] [Accepted: 07/20/2015] [Indexed: 01/03/2023]
Abstract
Purpose Studies have been conducted to identify predictive factors of resistance to intravenous immunoglobulin (IVIG) for Kawasaki disease (KD). However, the results are conflicting. This study aimed to identify laboratory factors predictive of resistance to high-dose IVIG for KD by performing meta-analysis of available studies using statistical techniques. Methods All relevant scientific publications from 2006 to 2014 were identified through PubMed searches. For studies in English on KD and IVIG resistance, predictive factors were included. A meta-analysis was performed that calculated the effect size of various laboratory parameters as predictive factors for IVIG-resistant KD. Results Twelve studies comprising 2,745 patients were included. Meta-analysis demonstrated significant effect sizes for several laboratory parameters: polymorphonuclear leukocytes (PMNs) 0.698 (95% confidence interval [CI], 0.469–0.926), C-reactive protein (CRP) 0.375 (95% CI, 0.086–0.663), pro-brain natriuretic peptide (pro-BNP) 0.561 (95% CI, 0.261–0.861), total bilirubin 0.859 (95% CI, 0.582–1.136), alanine aminotransferase (AST) 0.503 (95% CI, 0.313–0.693), aspartate aminotransferase (ALT) 0.436 (95% CI, 0.275–0.597), albumin 0.427 (95% CI, –0.657 to –0.198), and sodium 0.604 (95% CI, –0.839 to –0.370). Particularly, total bilirubin, PMN, sodium, pro-BNP, and AST, in descending numerical order, demonstrated more than a medium effect size. Conclusion Based on the results of this study, laboratory predictive factors for IVIG-resistant KD included higher total bilirubin, PMN, pro-BNP, AST, ALT, and CRP, and lower sodium and albumin. The presence of several of these predictive factors should alert clinicians to the increased likelihood that the patient may not respond adequately to initial IVIG therapy.
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Affiliation(s)
- Jin-Young Baek
- Department of Pediatrics, Good GangAn Hospital, Busan, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
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Kim JJ, Yun SW, Yu JJ, Yoon KL, Lee KY, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Byeon JH, Sohn S, Hong YM, Jang GY, Lee JK. Common variants in the CRP promoter are associated with a high C-reactive protein level in Kawasaki disease. Pediatr Cardiol 2015; 36:438-44. [PMID: 25266886 DOI: 10.1007/s00246-014-1032-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Accepted: 09/23/2014] [Indexed: 12/12/2022]
Abstract
Kawasaki disease (KD) is an acute self-limiting form of vasculitis that afflicts infants and children and manifests as fever and signs of mucocutaneous inflammation. Children with KD show various laboratory inflammatory abnormalities, such as elevations in their white blood cell (WBC) count, C-reactive protein (CRP) level, and erythrocyte sedimentation rate (ESR). We here performed a genome-wide association study (GWAS) of 178 KD patients to identify the genetic loci that influence 10 important KD laboratory markers: WBC count, neutrophil count, platelet count, CRP, ESR, hemoglobin, aspartate aminotransferase (AST), alanine aminotransferase (ALT), albumin, and total protein. A total of 165 loci passed our arbitrary stage 1 threshold for replication (p < 1 × 10(-5)). Of these, only 2 SNPs (rs12068753 and rs4786091) demonstrated a significant association with the CRP level in replication study of 473 KD patients (p < 0.05). The SNP located at the CRP locus (rs12068753) demonstrated the most significant association with CRP in KD patients (beta = 4.73 and p = 1.20 × 10(-6) according to the stage 1 GWAS; beta = 3.65 and p = 1.35 × 10(-8) according to the replication study; beta = 3.97 and p = 1.11 × 10(-13) according to combined analysis) and explained 8.1% of the phenotypic variation observed. However, this SNP did not demonstrate any significant association with CRP in the general population (beta = 0.37 and p = 0.1732) and only explained 0.1% of the phenotypic variation in this instance. Furthermore, rs12068753 did not affect the development of coronary artery lesions or intravenous immunoglobulin resistance in KD patients. These results indicate that common variants in the CRP promoter can play an important role in the CRP levels in KD.
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Affiliation(s)
- Jae-Jung Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 138-736, Korea
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Song MS, Nahm S, Cho WI, Lee C. Enhanced electrochemical performance of a ZnO–MnO composite as an anode material for lithium ion batteries. Phys Chem Chem Phys 2015; 17:23496-502. [DOI: 10.1039/c5cp03375f] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A reduced ZnO–MnO composite electrode exhibits improved electrochemical performance as an anode material for lithium ion batteries.
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Affiliation(s)
- Min Seob Song
- Center for Energy Convergence Research
- Korea Institute of Science and Technology
- Seoul
- Korea
- Department of Materials Science and Engineering
| | - Sahn Nahm
- Department of Materials Science and Engineering
- Korea University
- Korea
| | - Won Il Cho
- Center for Energy Convergence Research
- Korea Institute of Science and Technology
- Seoul
- Korea
| | - Chongmok Lee
- Department of Chemistry & Nano Science
- Ewha Womans University
- Seoul
- Korea
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Song MS, Cho YJ, Yoon DY, Nahm S, Oh SH, Woo K, Ko JM, Cho WI. Solvothermal synthesis of ZnMn2O4 as an anode material in lithium ion battery. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.05.126] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lee SH, Jung JM, Song MS, Choi SJ, Chung WY. Evaluation of cardiovascular anomalies in patients with asymptomatic turner syndrome using multidetector computed tomography. J Korean Med Sci 2013; 28:1169-73. [PMID: 23960443 PMCID: PMC3744704 DOI: 10.3346/jkms.2013.28.8.1169] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2012] [Accepted: 05/23/2013] [Indexed: 11/20/2022] Open
Abstract
Turner syndrome is well known to be associated with significant cardiovascular abnormalities. This paper studied the incidence of cardiovascular abnormalities in asymptomatic adolescent patients with Turner syndrome using multidetector computed tomography (MDCT) instead of echocardiography. Twenty subjects diagnosed with Turner syndrome who had no cardiac symptoms were included. Blood pressure and electrocardiography (ECG) was checked. Cardiovascular abnormalities were checked by MDCT. According to the ECG results, 11 had a prolonged QTc interval, 5 had a posterior fascicular block, 3 had a ventricular conduction disorder. MDCT revealed vascular abnormalities in 13 patients (65%). Three patients had an aberrant right subclavian artery, 2 had dilatation of left subclavian artery, and others had an aortic root dilatation, aortic diverticulum, and abnormal left vertebral artery. As for venous abnormalities, 3 patients had partial anomalous pulmonary venous return and 2 had a persistent left superior vena cava. This study found cardiovascular abnormalities in 65% of asymptomatic Turner syndrome patients using MDCT. Even though, there are no cardiac symptoms in Turner syndrome patients, a complete evaluation of the heart with echocardiography or MDCT at transition period to adults must be performed.
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Affiliation(s)
- Sun Hee Lee
- Department of Pediatrics, Sungae Hospital, Seoul, Korea
| | - Ji Mi Jung
- Department of Pediatrics, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Min Seob Song
- Department of Pediatrics, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Seok jin Choi
- Department of Radiology, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Woo Yeong Chung
- Department of Pediatrics, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea
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Cho YJ, Kim CH, Im HS, Myung Y, Kim HS, Back SH, Lim YR, Jung CS, Jang DM, Park J, Lim SH, Cha EH, Bae KY, Song MS, Cho WI. Germanium–tin alloy nanocrystals for high-performance lithium ion batteries. Phys Chem Chem Phys 2013; 15:11691-5. [DOI: 10.1039/c3cp51366a] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Cho YJ, Im HS, Myung Y, Kim CH, Kim HS, Back SH, Lim YR, Jung CS, Jang DM, Park J, Cha EH, Choo SH, Song MS, Cho WI. Germanium sulfide(ii and iv) nanoparticles for enhanced performance of lithium ion batteries. Chem Commun (Camb) 2013; 49:4661-3. [DOI: 10.1039/c3cc41853g] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Kim HE, Kim JJ, Han MK, Lee KY, Song MS, Lee HD, Kim DS, Yu JJ, Park IS, Yun SW, Hong YM, Jang GY, Lee JK. Variations in the number of CCL3L1 gene copies and Kawasaki disease in Korean children. Pediatr Cardiol 2012; 33:1259-63. [PMID: 22450355 DOI: 10.1007/s00246-012-0289-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [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: 12/08/2011] [Accepted: 02/28/2012] [Indexed: 11/27/2022]
Abstract
High-dose intravenous immunoglobulin (IVIG) therapy is the highly effective and standard treatment for Kawasaki disease (KD). However, ~20 % of KD patients have persistent fever or recurrence of fever after the initial IVIG treatment, which increases the risk for coronary artery lesions (CALs). Furthermore, the mechanism of IVIG resistance in KD patients still is unknown. The number of CC chemokine ligand 3-like 1 (CCL3L1) gene copies is reported to be associated with KD and IVIG resistance in Japanese patients. In addition, the authors observed significant upregulation of the CCL3L1 gene expression after in vitro immunoglobulin treatment in B cell lines derived from KD patients. Therefore, this study of 459 KD patients and 496 healthy control subjects tested whether the number of CCL3L1 gene copies is associated with a risk of KD, CALs, and/or IVIG resistance in Korean KD patients. However, the number of CCL3L1 gene copies was not associated with KD (P = 0.18), CAL formation (P = 0.062), or the IVIG resistance (P = 0.90). Therefore, the results indicate that the number of CCL3L1 gene copies does not have a role in susceptibility to KD or CALs nor with IVIG resistance in Korean KD patients.
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Affiliation(s)
- Hye-Eun Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, 388-1 Pungnap-2-Dong, Songpa-Gu, Seoul, Korea
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Kim JJ, Hong YM, Yun SW, Han MK, Lee KY, Song MS, Lee HD, Kim DS, Sohn S, Ha KS, Hong SJ, Kim KJ, Park IS, Jang GY, Lee JK. Assessment of risk factors for Korean children with Kawasaki disease. Pediatr Cardiol 2012; 33:513-20. [PMID: 22105492 DOI: 10.1007/s00246-011-0143-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2011] [Accepted: 11/03/2011] [Indexed: 01/06/2023]
Abstract
Kawasaki disease (KD) is the most common cause of acquired heart disease in children. Intravenous immunoglobulin (IVIG) is the standard therapy for KD, but more than 10% of KD patients do not respond to IVIG and are at high risk for the development of coronary artery lesions (CALs). To identify clinical and genetic risk factors associated with CAL development and IVIG nonresponsiveness, this study analyzed the clinical data for 478 Korean KD patients. Multivariate logistic regression analysis showed that incomplete KD, IVIG nonresponse, fever duration of 7 days or longer, and the CC/AC genotypes of the rs7604693 single nucleotide polymorphism (SNP) in the PELI1 gene were significantly associated with the development of CALs, with odds ratios (ORs) ranging from 2.06 to 3.04. The risk of CAL formation was synergistically increased by the addition of individual risk factors, particularly the genetic variant in the PELI1 gene. Multivariate analysis also showed that a serum albumin level of 3.6 g/dl or lower was significantly associated with nonresponsiveness to IVIG [OR, 2.76; 95% confidence interval (CI), 1.34-5.68; P = 0.006]. Conclusively, incomplete KD, IVIG nonresponsiveness, long febrile days, and the rs7604693 genetic variant in the PELI1 gene are major risk factors for the development of CALs, whereas low serum albumin concentration is an independent risk factor for IVIG nonresponsiveness.
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Affiliation(s)
- Jae-Jung Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, 388-1 Pungnap-2-Dong, Songpa-Gu, Seoul 138-736, Korea
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Song MS, Baker GB, Todd KG, Kar S. Inhibition of β-amyloid1-42 internalization attenuates neuronal death by stabilizing the endosomal-lysosomal system in rat cortical cultured neurons. Neuroscience 2011; 178:181-8. [PMID: 21262324 DOI: 10.1016/j.neuroscience.2010.12.055] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2010] [Revised: 12/22/2010] [Accepted: 12/24/2010] [Indexed: 11/16/2022]
Abstract
A number of recent studies have indicated that accumulation of β amyloid (Aβ) peptides within neurons is an early event which may trigger degeneration of neurons and subsequent development of Alzheimer's disease (AD) pathology. However, very little is known about the internalization and/or subcellular sites involved in trafficking of Aβ peptides into the neurons that are vulnerable in AD pathology. To address this issue we evaluated internalization of fluoroscein conjugated Aβ1-42 (FAβ1-42) and subsequent alteration of endosomal-lysosomal (EL) markers such as cathepsin D, Rab5 and Rab7 in rat cortical cultured neurons. It is evident from our results that internalization of FAβ1-42, which occurred in a dose- and time-dependent manner, triggered degeneration of neurons along with increased levels and/or altered distribution of cathepsin D, Rab5 and Rab7. Our results further revealed that FAβ1-42 internalization was attenuated by phenylarsine oxide (a general inhibitor of endocytosis) and sucrose (an inhibitor of clathrin-mediated endocytosis) but not by antagonists of N-methyl-d-aspartate (NMDA) glutamate receptors. Additionally, inhibition of FAβ1-42 endocytosis not only protected neurons against toxicity but also reversed the altered levels/distributions of EL markers. These results, taken together, suggest that internalization of exogenous Aβ1-42, which is partly mediated via a clathrin-dependent process, can lead to degeneration of neurons, possibly by activating the EL system. Inhibition of FAβ endocytosis attenuated toxicity, thus suggesting a potential strategy for preventing loss of neurons in AD pathology.
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Affiliation(s)
- M S Song
- Neurochemical Research Unit, Department of Psychiatry, University of Alberta, Edmonton, AB, Canada T6G 2M8
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Song MS, Lee SB, Sohn S, Oh JH, Yoon KL, Han JW, Kim CH. Infliximab treatment for refractory kawasaki disease in korean children. Korean Circ J 2010; 40:334-8. [PMID: 20664742 PMCID: PMC2910290 DOI: 10.4070/kcj.2010.40.7.334] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2009] [Revised: 01/19/2010] [Accepted: 02/09/2010] [Indexed: 11/11/2022] Open
Abstract
Background and Objectives This was a multicenter study to evaluate the usefulness of the tumor necrosis factor-alpha (TNF-α) blocker infliximab for treatment of Korean pediatric patients with refractory Kawasaki disease (KD). Subjects and Methods Data from 16 patients throughout Korea who were diagnosed with refractory KD and received infliximab were collected retrospectively. Results Complete response to therapy with cessation of fever occurred in 13 of 16 patients. C-reactive protein (CRP) concentrations decreased following infliximab infusion in all 14 patients in whom it was measured before and after treatment. There were no infusion reactions or complications associated with infliximab except in 1 case with acute hepatitis occurring during treatment followed by calculous cholecystitis 4 months later. Fifteen patients had coronary artery (CA) abnormalities before infliximab therapy. Three had transient mild dilatation and 9 had CA aneurysms, with subsequent normalization in 4 patients, persistent mild dilatation in 3, persistent aneurysm in 2, and there were 3 cases (2 with CA aneurysm, 1 with mild CA dilatation) without follow-up echocardiography. Conclusion The results of this study suggest that infliximab may be useful in the treatment of refractory KD, and it appears that there is no significant further progression of CA lesions developing after infliximab treatment. Multicenter trials with larger numbers of patients and long-term follow-up are necessary to assess the clinical efficacy and safety of infliximab in refractory KD.
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Affiliation(s)
- Min Seob Song
- Department of Pediatrics, Paik Hospital, College of Medicine, Inje University, Busan, Korea
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Abstract
The objective of this study was to apply and test the effects of cognitive training on community-dwelling, elderly Koreans. The cognitive training was applied for 24 weeks to 129 elderly participants. The participants were divided into two groups to receive either cognitive training followed by observational period, or observational period followed by cognitive training. The primary outcome measures were the geriatric depression scale (Geriatric Depression Scale Short Form-Korean, GDS-SF-K) and mini-mental status examination (Mini-Mental State Examination in the Korean version, MMSE-KC) scores. There were no differences between the average GDS-SF-K and MMSE-KC scores of the two groups. However, the participants with cognitive dysfunction (defined as baseline MMSE below the 16th percentile according to age, sex and educational level) who received cognitive training initially had significantly improved MMSE-KC score on weeks 8 and 16, compared with the participants with cognitive dysfunction who were observed first. However, the participants who received cognitive training later did in fact catch up with the other group in terms of MMSE-KC score. Cognitive training by visiting nursing services was more effective in the elderly with cognitive dysfunction.
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Affiliation(s)
- M H Park
- Department of Neurology, Korea University College of Medicine, Ansan, Korea
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Song MS, Hu A, Dyamenahalli U, Chitayat D, Winsor EJT, Ryan G, Smallhorn J, Barrett J, Yoo SJ, Hornberger LK. Extracardiac lesions and chromosomal abnormalities associated with major fetal heart defects: comparison of intrauterine, postnatal and postmortem diagnoses. Ultrasound Obstet Gynecol 2009; 33:552-559. [PMID: 19350566 DOI: 10.1002/uog.6309] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
OBJECTIVES The clinical outcome of prenatally diagnosed congenital heart defects (CHD) continues to be affected significantly by associated extracardiac and chromosomal abnormalities. We sought to: determine the frequency and type of major extracardiac abnormalities (with impact on quality of life) and chromosomal abnormalities associated with fetal CHD; and compare the extracardiac abnormalities detected prenatally to the postnatal and autopsy findings in affected fetuses, to find the incidence of extracardiac abnormalities missed on prenatal ultrasound. METHODS We reviewed the computerized database of the Division of Cardiology of the Hospital for Sick Children in Toronto to identify all cases of major CHD detected prenatally from 1990 to 2002. Medical records, fetal echocardiograms and ultrasound, cytogenetic and autopsy reports were reviewed. The types of CHD detected were grouped into categories and the frequencies of major extracardiac and chromosomal abnormalities in these categories were noted. Prenatal ultrasound findings were compared with those at autopsy or postnatal examination. RESULTS Of 491 fetuses with major structural CHD, complete data were obtained for 382. Of these, there were 141 (36.9%) with major extracardiac abnormalities at autopsy or postnatal exam, of which 46 had chromosomal abnormalities and 95 did not. In the absence of chromosomal abnormalities, the organ systems most affected were urogenital (12.2%) and gastrointestinal (11.6%). CHDs with the highest incidence of extracardiac abnormalities (>25%) included: heterotaxy, single left ventricle and tricuspid atresia, hypoplastic left heart syndrome and tetralogy of Fallot. Ninety-four of 334 (28.1%) fetuses tested had chromosomal abnormalities. The most common chromosomal abnormalities were trisomies 21 (43.6%), 18 (19.1%) and 13 (9.6%), monosomy X (7.4%) and 22q11.2 deletion (7.4%). Of 289 extracardiac abnormalities from the complete series, 134 (46.4%) were not identified prenatally. Of the missed extracardiac abnormalities, 65 were considered not detectable at prenatal ultrasound, so 23.9% (69/289) of detectable extracardiac abnormalities were missed prenatally. CONCLUSIONS Major extracardiac and chromosomal abnormalities are common in fetuses with major fetal CHD. Many important associated extracardiac abnormalities may be missed prenatally, which should be taken into consideration in the prenatal counseling for fetal CHD.
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Affiliation(s)
- M S Song
- Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
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Xiong P, Zeng X, Song MS, Jia SW, Zhong MH, Xiao LL, Lan W, Cai C, Wu XW, Gong FL, Wang W. Lack of association between HLA-A, -B and -DRB1 alleles and the development of SARS: a cohort of 95 SARS-recovered individuals in a population of Guangdong, southern China. Int J Immunogenet 2008; 35:69-74. [PMID: 18186801 PMCID: PMC7165669 DOI: 10.1111/j.1744-313x.2007.00741.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Severe acute respiratory syndrome (SARS), caused by infection with a novel coronavirus (SARS‐CoV), was the first major novel infectious disease at the beginning of the 21st century, with China especially affected. SARS was characterized by high infectivity, morbidity and mortality, and the confined pattern of the disease spreading among the countries of South‐East and East Asia suggested the existence of susceptible factor(s) in these populations. Studies in the populations of Hong Kong and Taiwan showed an association of human leucocyte antigen (HLA) polymorphisms with the development and/or severity of SARS, respectively. The aim of the present study was to define the genotypic patterns of HLA‐A, ‐B and ‐DRB1 loci in SARS patients and a co‐resident population of Guangdong province, southern China, where the first SARS case was reported. The samples comprised 95 cases of recovered SARS patients and 403 unrelated healthy controls. HLA ‐A, ‐B and ‐DRB1 alleles were genotyped using polymerase chain reaction with sequence‐specific primers. The severity of the disease was assessed according to the history of lung infiltration, usage of assisted ventilation and occurrence of lymphocytopenia. Although the allelic frequencies of A23, A34, B60, DRB1*12 in the SARS group were slightly higher, and A33, ‐B58 and ‐B61 were lower than in the controls, no statistical significance was found when the Pc value was considered. Similarly, no association of HLA alleles with the severity of the disease was detected. Thus, variations in the major histocompatibility complex are unlikely to have contributed significantly to either the susceptibility or the severity of SARS in the population of Guangdong.
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Affiliation(s)
- P Xiong
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Affiliation(s)
- Seong Man Kim
- Department of Cardiology, College of Medicine, Inje University, Busan Paik Hosital, Korea
| | - Min Seob Song
- Department of Pediatrics, College of Medicine, Inje University, Busan Paik Hosital, Korea
| | - Kwang Hyun Cho
- Department of Cardiothoracic Surgery, College of Medicine, Inje University, Busan Paik Hosital, Busan, Korea
| | - Chul Ho Kim
- Department of Pediatrics, College of Medicine, Inje University, Busan Paik Hosital, Korea
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Abstract
Alzheimer's disease (AD) is characterized by the deposition of senile plaques and neurofibrillary tangles in the brain. The presence of the amyloid-beta (Abeta) peptide in senile plaques seems to play a central role in the neuropathology of AD. Diagnosis of AD involves neuropsychological examinations or magnetic resonance imaging and, to date, a specific diagnostic marker indicating AD has not been found. This study analysed anti-Abeta antibodies from the serum of 153 patients with AD using an enzyme-linked immunosorbent assay method. The levels of anti-Abeta antibody from patients in the control group (n=193) were compared with those of patients with AD. Our results showed a significantly lower anti-Abeta antibody level in patients with AD than in the control group. These results showed that the anti-Abeta antibody level in serum could potentially be used to diagnose the presence of AD.
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Affiliation(s)
- M S Song
- Division of Nursing Science, Ajou University School of Medicine, Suwon, Republic of Korea
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Abstract
Pruritus (itch sensation) is a significant clinical problem. The aim of this study was to elucidate the roles of opioid receptor types and the site of action in opioid-induced itch in monkeys. Observers who were blinded to the conditions counted scratching after administration of various drugs. Intravenous (i.v.) administration of mu opioid receptor (MOR) agonists (fentanyl, alfentanil, remifentanil, and morphine) evoked scratching in a dose- and time-dependent manner. However, the kappa opioid agonist U-50488H [trans-(+/-)-3,4-dichloro-N-methyl-N-(2-[1-pyrrolidinyl]-cyclohexyl)-benzeneacetamide] and delta opioid agonist SNC80 [(+)-4-[(alphaR)-alpha-[2S,5R)-4-allyl-2,5-dimethyl-1-piperazinyl]-3-methoxybenzyl]-N,N-diethylbenzamide] did not increase scratching. Intrathecal (i.t.) administration of peptidic MOR agonist [D-Ala2,N-Me-Phe4,Gly5-ol]-enkephalin (DAMGO, 0.00032-0.01 mg) evoked scratching, but i.v. DAMGO (0.01-1 mg/kg) did not increase scratching. A similar difference between i.t. and i.v. effectiveness was seen with morphine. Antagonist studies revealed that i.v. administration of an opioid receptor antagonist (naltrexone, 0.0032-0.1 mg/kg) dose dependently attenuated scratching induced by i.v. fentanyl (0.018 mg/kg) or morphine (1 mg/kg). However, a peripherally selective opioid antagonist (quaternary naltrexone, 0.0032-0.32 mg/kg) did not block i.v. fentanyl- or morphine-induced scratching. Moreover, a histamine antagonist (diphenhydramine, 0.1-10 mg/kg), failed to attenuate scratching induced by i.t. morphine (0.032 mg) or i.v. morphine (1 mg/kg). Pretreatment with a selective MOR antagonist (clocinnamox, 0.1 mg/kg), but not kappa or delta opioid antagonists (nor-binaltorphimine or naltrindole), blocked i.t. morphine-induced scratching. Together, these data suggest that MOR, not other opioid receptor types or histamine, mediates scratching evoked by opioid analgesics. More important, this study provides in vivo pharmacological evidence that activation of central MOR plays an important role in opioid-induced itch in primates.
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Affiliation(s)
- M C H Ko
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan 48109-0632, USA.
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Song MS, Kong ES, Kim GB, Kim NC, Kim CH, Kim CK, Kim HK, Roh YJ, Shin KR, Ahn SY, Lee KJ, Lee YW, Chang SO, Chon SJ, Cho NO, Cho MO, Choi KS. Development of Gerontological Nursing Curriculum Model. J Korean Acad Nurs 2003; 33:376-85. [PMID: 15314436 DOI: 10.4040/jkan.2003.33.3.376] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
PURPOSE This study was conducted to develop gerontological curriculum model which reflects the need of Korean society. METHOD Three round Delphi survey method was applied to find consensus of gerontological nursing competencies (knowledge, attitudes and skills) for graduates of nursing schools from the panel of gerontological nursing practice experts. Important concepts in gerontological nursing were delineated from literature review and discussions of gerontological nursing educators. Based on these results the gerontological nursing curriculum model was developed and course structure outlined by the researchers as a group. RESULT As the result of delphi survey, 32 items of knowledge, 29 items of attitude, and 21 items of skill were identified. The curriculum model constructed around a cube with three plane- functional capacity levels, settings, and nursing practice. Specific knowledge, attitudes and skills for gerontological theory and practicum course were suggested. Competency items were assigned to theory and/or practice. CONCLUSION A curriculum model for gerontological nursing has been developed by a group of gerontological nursing educators. The curriculum model should be further tested and developed with detailed theory and practicum course outline and textbooks.
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Affiliation(s)
- M S Song
- College of Nursing, Seoul National University, Chongno-Gu, Korea.
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Ko MCH, Naughton NN, Traynor JR, Song MS, Woods JH, Rice KC, McKnight AT. Orphanin FQ inhibits capsaicin-induced thermal nociception in monkeys by activation of peripheral ORL1 receptors. Br J Pharmacol 2002; 135:943-50. [PMID: 11861322 PMCID: PMC1573199 DOI: 10.1038/sj.bjp.0704535] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.0] [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: 09/07/2001] [Revised: 11/22/2001] [Accepted: 11/29/2001] [Indexed: 11/08/2022] Open
Abstract
1. Orphanin FQ (OFQ), an endogenous peptide for ORL1 receptors, has been identified. Although the actions of OFQ have much in common with those of opioid peptides at the cellular level, behavioral studies in rodents seem conflicting. 2. The aim of this study was to investigate the potential pronociceptive or antinociceptive function of peripheral ORL1 receptors in primates. Experiments were conducted to verify whether local administration of OFQ can attenuate capsaicin-induced nociception and whether peripheral ORL1 receptors selectively mediate the local action of OFQ in monkeys. 3. Capsaicin (100 microg) was administered subcutaneously in the tail to locally evoke a nociceptive response (thermal allodynia/hyperalgesia), which was manifested as a reduced tail-withdrawal latency in normally innocuous 46 degreeC warm water. 4. Co-administration of OFQ (1--30 microg) with capsaicin in the tail dose-dependently inhibited thermal nociception. However, a locally effective dose of OFQ (30 microg), when applied in the back, did not inhibit capsaicin-induced nociception. 5. OFQ-induced local antinociception was antagonized by a small dose (10 microg) of J-113397, a selective ORL1 receptor antagonist, in the tail. Similarly, s.c. administration of 10 microg of J-113397 in the back did not antagonize local antinociception of OFQ. 6. In addition, s.c. administration of either OFQ or J-113397 in the tail alone did not change its thermal nociceptive threshold. Local administration of opioid receptor antagonists selective for mu, kappa, and delta opioid receptors did not antagonize OFQ-induced local antinociception. Local administration of J-113397 also did not interfere with the local actions of mu, kappa, and delta opioid agonists in the tail. 7. These results provide the first functional evidence that activation of peripheral ORL1 receptors produces thermal antinociception in primates and this action is independent of antinociception produced at classical opioid receptors.
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Affiliation(s)
- M C H Ko
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, Michigan, USA.
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Shin KR, Kong ES, Kim GB, Kim NC, Kim CH, Kim CK, Kim HK, Ro YJ, Song MS, Ahn SY, Lee KJ, Lee YW, Chang SO, Chon SJ, Cho NO, Cho MO, Choi KS. Lived Experience with Aging in Middle-Aged Woman. J Korean Acad Nurs 2002. [DOI: 10.4040/jkan.2002.32.6.878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- K R Shin
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - E S Kong
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - G B Kim
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - N C Kim
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - C H Kim
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - C K Kim
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - H K Kim
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - Y J Ro
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - M S Song
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - S Y Ahn
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - K J Lee
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - Y W Lee
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - S O Chang
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - S J Chon
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - N O Cho
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - M O Cho
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - K S Choi
- Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
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Song MS, McHenry CS. Carboxyl-terminal domain III of the delta' subunit of DNA polymerase III holoenzyme binds DnaX and supports cooperative DnaX complex assembly. J Biol Chem 2001; 276:48709-15. [PMID: 11606586 DOI: 10.1074/jbc.m107936200] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The delta' subunit of the DNA polymerase-III holoenzyme is a key component of the DnaX complex; it is required for loading the beta(2) processivity factor onto a primed template. The x-ray crystal structure of delta' indicates a three domain C-shaped structure (Guenther, B., Onrust, R., Sali, A., O'Donnell, M., and Kuriyan, J. (1997) Cell 91, 335-345). In this study, we localized the DnaX-binding domain of delta' to its carboxyl-terminal domain III by quantifying protein-protein interactions using a series of delta' fusion proteins lacking specific domains. The fusion protein corresponding to domain III of delta' bound to DnaX with an affinity approaching that of full-length delta'. In contrast, a construct bearing delta' domains I-II did not bind DnaX at detectable levels. The presence of delta and chi psi strengthened the interaction of DnaX with full-length delta' and delta' domain III. Thus, domain III of delta' not only contains the DnaX-binding site, but also contains the elements required for positive cooperative assembly of the DnaX complex. A domain III-specific anti-delta' monoclonal antibody interfered with DnaX complex formation and abolished the replication activity of DNA polymerase III holoenzyme.
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Affiliation(s)
- M S Song
- Department of Biochemistry and Molecular Genetics, University of Colorado Health Sciences Center, Denver, Colorado 80262, USA
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Song MS, Park YK, Lee JH, Park K. Induction of glucose-regulated protein 78 by chronic hypoxia in human gastric tumor cells through a protein kinase C-epsilon/ERK/AP-1 signaling cascade. Cancer Res 2001; 61:8322-30. [PMID: 11719466] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
The M(r) 78,000 glucose-regulated protein (GRP78) can be induced by physiological stresses such as glucose deprivation and hypoxia. In solid tumors, hypoxia can promote malignant progression and confer resistance to irradiation and chemotherapy by altering gene expression. Here, we investigated the molecular mechanisms and signaling pathway involved in the late and prolonged induction of the GRP78 gene by hypoxia in a human gastric cancer cell line, MKN28. Nuclear run-on assays and mRNA stability measurements revealed that transcriptional activation, not stabilization of mRNA, contributed to the dramatic induction of GRP78 gene under hypoxia. Induction of GRP78 by chronic hypoxia was completely abolished by pretreatment with PD98059 [a specific inhibitor of mitogen-activated protein/extracellular signal-regulated kinase (ERK) kinase (MEK1)] or by overexpression of a dominant-negative MEK1 mutant, demonstrating a direct involvement of ERK in the induction of transcription at the GRP78 promoter under these conditions. Furthermore, hypoxia increased the transcriptional activity of a 12-O-tetradecanoylphorbol-13-acetate response element-like motif on the GRP78 promoter and increased the abundance and DNA binding activity of AP-1 complex composed of c-Jun and c-Fos. A selective protein kinase C (PKC) inhibitor, GF109203X, inhibited the induction of GRP78 gene expression as well as the activities of both ERK and Raf-1. Among six PKC isoforms expressed in MKN28 cells, PKC-epsilon expression level and kinase activity were increased by hypoxia. Transfection of MKN28 cells with a dominant-negative PKC-epsilon blocked the induction of GRP78 through ERK by hypoxia, indicating that PKC-epsilon directly participated in GRP78 induction under hypoxia. Taken together, this study shows that a PKC-epsilon-Raf-1-MEK-ERK-AP1 signaling cascade acts on a 12-O-tetradecanoylphorbol-13-acetate response element-like element to mediate hypoxia-induced GRP78 expression in human gastric cancer cells. We also confirmed in vivo the overexpression of GRP78 in surgical specimens of human primary gastric tumors.
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Affiliation(s)
- M S Song
- Center for Molecular Medicine, Samsung Biomedical Research Institute and Molecular Therapy Research Center, Sungkyunkwan University, Seoul, 135-230 Korea
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Abstract
The delta and delta' subunits are essential components of the DNA polymerase III holoenzyme, required for assembly and function of the DnaX-complex clamp loader (tau2gammadeltadelta'chipsi). The x-ray crystal structure of delta' contains three structural domains (Guenther, B., Onrust, R., Sali, A., O'Donnell, M., and Kuriyan, J. (1997) Cell 91, 335-345). In this study, we localize the delta-binding domain of delta' to a carboxyl-terminal domain III by quantifying the interaction of delta with a series of delta' fusion proteins lacking specific domains. Purification and immobilization of the fusion proteins were facilitated by the inclusion of a tag containing hexahistidine and a short biotinylation sequence. Both NH2- and COOH-terminal-tagged full-length delta' were soluble and had specific activities comparable with that of native delta'. delta and delta' form a 1:1 heterodimer with a dissociation constant (K(D)) of 5 x 10(-7) m determined by equilibrium sedimentation. The K(D) determined by surface plasmon resonance was comparable. Domain III alone bound delta at an affinity comparable to that of wild type delta', whereas proteins lacking domain III did not bind delta. Using a panel of domain-specific anti-delta' monoclonal antibodies, we found that two of the domain III-specific monoclonal antibodies interfered with delta-delta' interaction and abolished the replication activity of DNA polymerase-III holoenzyme.
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Affiliation(s)
- M S Song
- Department of Biochemistry and Molecular Genetics, University of Colorado Health Sciences Center, Denver, Colorado 80262, USA
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Song MS, Pham PT, Olson M, Carter JR, Franden MA, Schaaper RM, McHenry CS. The delta and delta ' subunits of the DNA polymerase III holoenzyme are essential for initiation complex formation and processive elongation. J Biol Chem 2001; 276:35165-75. [PMID: 11432857 DOI: 10.1074/jbc.m100389200] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
delta and delta' are required for assembly of the processivity factor beta(2) onto primed DNA in the DNA polymerase III holoenzyme-catalyzed reaction. We developed protocols for generating highly purified preparations of delta and delta'. In holoenzyme reconstitution assays, delta' could not be replaced by delta, tau, or gamma, even when either of the latter were present at a 10,000-fold molar excess. Likewise, delta could not be replaced by delta', tau, or gamma. Bacterial strains bearing chromosomal knockouts of either the holA(delta) or holB(delta') genes were not viable, demonstrating that both delta and delta' are essential. Western blots of isolated initiation complexes demonstrated the presence of both delta and delta'. However, in the absence of chipsi and single-stranded DNA-binding protein, a stable initiation complex lacking deltadelta' was isolated by gel filtration. Lack of delta-delta' decreased the rate of elongation about 3-fold, and the extent of processive replication was significantly decreased. Adding back delta-delta' but not chipsi, delta, or delta' alone restored the diminished activity, indicating that in addition to being key components required for the beta loading activity of the DnaX complex, deltadelta' is present in initiation complex and is required for processive elongation.
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Affiliation(s)
- M S Song
- Department of Biochemistry and Molecular Genetics, University of Colorado Health Sciences Center, Denver, Colorado 80262, USA
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Song MS, Yoo SJ, Smallhorn JF, Mullen JB, Ryan G, Hornberger LK. Bilateral congenital diaphragmatic hernia: diagnostic clues at fetal sonography. Ultrasound Obstet Gynecol 2001; 17:255-258. [PMID: 11309179 DOI: 10.1046/j.1469-0705.2001.00348.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Bilateral congenital diaphragmatic hernia is a rare, life-threatening malformation. We describe a case of bilateral Bochdalek hernia diagnosed prenatally. The sonographic clues to the diagnosis were anterior displacement of the heart with relatively minimal lateral shift. The definitive diagnosis was made by demonstrating the liver in the right thorax and bowel loop and stomach in the left thorax. Color and power Doppler demonstrated the hepatic vessels embracing both sides of the heart from behind.
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Affiliation(s)
- M S Song
- Division of Cardiology, Hospital for Sick Children, Toronto, Ontario, Canada
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Chon SJ, Kong ES, Kim GB, Kim NC, Kim CH, Kim CK, Kim HK, Ro YJ, Shin KR, Song MS, Ahn SY, Lee KJ, Lee YW, Cho NO, Cho MO, Choi KS. A Study of Gerontological Nursing Curriculum. J Korean Acad Nurs 2001. [DOI: 10.4040/jkan.2001.31.5.808] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- S J Chon
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - E S Kong
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - G B Kim
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - N C Kim
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - C H Kim
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - C K Kim
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - H K Kim
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - Y J Ro
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - K R Shin
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - M S Song
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - S Y Ahn
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - K J Lee
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - Y W Lee
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - N O Cho
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - M O Cho
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
| | - K S Choi
- Members of Gerontological Nursing Interest Group, Sigma Theta Tau, Korea
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