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Cho H, Yoo C, Kim KP, Chang HM, Ryoo BY. Prognostic implication of inflammation-based prognostic scores in patients with intrahepatic cholangiocarcinoma (iCCA) treated with first-line Gemcitabine plus Cisplatin (GEMCIS). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx369.101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Cho H, Choi HJ, Kang HG, Ha IS, Cheong HI, Han KH, Kim SH, Cho MH, Shin JI, Lee JH, Park YS. Influence of the Method of Definition on the Prevalence of Left-Ventricular Hypertrophy in Children with Chronic Kidney Disease: Data from the Know-Ped CKD Study. Kidney Blood Press Res 2017; 42:406-415. [PMID: 28689198 DOI: 10.1159/000478867] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 04/24/2017] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS Children with chronic kidney disease (CKD) have a high risk of cardiovascular disease. Left-ventricular (LV) hypertrophy (LVH) is an early marker of cardiovascular disease in pediatric CKD, and the prevalence of LVH in pediatric CKD is approximately 20-30% in pre-dialysis CKD patients. However, there is no consensus on the ideal method of defining LVH in pediatric CKD patients. Previous studies have typically used the LV mass index (LVMI), which is calculated as LV mass in grams divided by height in meters to the 2.7th power ≥ 38 g/m2.7, to diagnose LVH in children with CKD. Recently, age-specific reference values for LVMI ≥ 95th percentile and LV wall-thickness z-score > 1.64 in children were addressed. The aim of this study was to assess the prevalence and contributing factors of LVH in pediatric CKD patients according to each measurement and evaluate the concordance between each measurement. METHODS We used the baseline data of the KoreaN cohort study for Outcome in patients With Pediatric Chronic Kidney Disease (KNOW-Ped CKD), which is a nationwide, 10-year, prospective, observational cohort study of pediatric CKD. A total of 469 patients were enrolled, and 458 patients were included in the final analysis. Univariate and multiple logistic regression analysis were performed to evaluate the association of the variables with LVH. Kappa statistics were used to analyze the concordance. RESULTS According to an LVH diagnosis of LVMI ≥ 38 g/m2.7, 188 patients (41.0%) were diagnosed with LVH, and the prevalence of LVH was high in younger patients (< 2 years of age). Using the age-specific reference values, 116 patients (25.3%) were diagnosed with LVH, and there was no difference in the prevalence of LVH according to age. Thirty-one patients (6.8%) were diagnosed with LVH using an LV wall-thickness z-score > 1.64. There is poor concordance between the diagnosis of LVH using the LV wall-thickness z-score and the LVMI method. CONCLUSIONS The results of this study show that there is poor concordance between the diagnosis of LVH using the wall-thickness z-score and the LVMI2.7 criteria. Further investigation is needed to estimate the correlation between LVH and cardiac dysfunction and to find a better method for defining LVH in the pediatric CKD cohort and thereby predicting cardiac dysfunction.
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Cho H, Lynham AJ, Hsu E. Postoperative interventions to reduce inflammatory complications after third molar surgery: review of the current evidence. Aust Dent J 2017; 62:412-419. [DOI: 10.1111/adj.12526] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2017] [Indexed: 12/26/2022]
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104
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Cho H, Kim JH. Prevalence of microalbuminuria and its associated cardiometabolic risk factors in Korean youth: Data from the Korea National Health and Nutrition Examination Survey. PLoS One 2017; 12:e0178716. [PMID: 28575100 PMCID: PMC5456094 DOI: 10.1371/journal.pone.0178716] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 05/17/2017] [Indexed: 12/18/2022] Open
Abstract
Background Microalbuminuria is a known early predictive factor for renal and cardiovascular diseases, not only for patients with diabetes mellitus or hypertension but also in the general population. However, the prevalence and risk factors associated with microalbuminuria in Korean youth are unknown. Objectives The aims of this study are to evaluate the prevalence of microalbuminuria and the association between microalbuminuria and obesity or cardiometabolic risk factors in Korean children and adolescents without diabetes. Methods This study examines data obtained from the Korea National Health and Nutrition Examination Survey (between 2011 and 2014). It includes a total of 1,976 participants aged between 10 and 19 years (boys 1,128 and girls 848). Microalbuminuria was defined as a urine albumin-to-creatinine ratio (UACR) of ≥ 30 mg/g and < 300 mg/g. Association between microalbuminuria and the risk factors for cardiometabolic diseases including insulin resistance was evaluated. Results The prevalence of microalbuminuria was found to be 3.0% in Korean children and adolescents over this time period. The mean UACR for non-obese youth was significantly greater than that found in obese youth (3.2 ± 0.1 mg/g in the non-obese group vs. 2.1 ± 0.2 mg/g in the obese group; P < 0.001). In multiple logistic regression analysis, microalbuminuria was associated with hyperglycemia (OR 2.62, 95% CI 1.09–6.30) and hemoglobin A1c (OR 3.34, 95% CI 1.09–10.17) in the non-obese group and hypertension (OR 14.10, 95% CI 1.12–177.98) and HbA1c (OR 6.68, 95% CI 1.87–23.95) in the obese group. Conclusions The prevalence of microalbuminuria is not prominent in obese children and adolescents. Our findings demonstrated that the presence of hypertension and hyperglycemia was associated with microalbuminuria. Especially Hemoglobin A1c was associated with microalbuminuria in youths regardless of weight status. Microalbuminuria in pediatric population can be a helpful marker for the risk of cardiovascular disease.
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Kim J, Cho H, Jeon C, Han KH. Single-cell isolation of circulating tumor cells by microfluidic technology. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx141.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Cho H, Kim J, Jeon C, Han KH. Detection of heterozygous mutations in circulating tumor cells separated by lateral magnetophoretic microseparator. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Chung S, Shin Y, Byun J, Seong M, Cho H, SHIN W. 0345 EFFICACY OF UNPOLISHED RICE GERM-DRIVED GABA ON SUBJECTIVE AND OBJECTIVE QUALITY OF SLEEP IN PATIENTS WITH INSOMNIA: A RANDOMIZED, PLACEBO-CONTROLLED TRIAL. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Cho H, Hong B, Park C, Park S, Choi S. P04.08 Is BCAT1 a new MR imaging-related biomarker for prognosis prediction in IDH1-wildtype glioblastoma patients?: Radiogenomics study. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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109
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Cho H, Yoon JS, Song MY. Evaluation of Total Electron Scattering Cross Sections of Plasma-Relevant Molecules. FUSION SCIENCE AND TECHNOLOGY 2017. [DOI: 10.13182/fst13-a16441] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Cho H, Lee DW, Choe YJ, Choe SA, Park NY. Publication of the Korea-WHO Cooperation History - 70 Years of Working Together for Heath: World Health Organization and the Republic of Korea. J Korean Med Sci 2017; 32:383-385. [PMID: 28145638 PMCID: PMC5290094 DOI: 10.3346/jkms.2017.32.3.383] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 12/27/2016] [Indexed: 11/20/2022] Open
Abstract
The World Health Organization (WHO) have been in collaborative efforts with the Republic of Korea in keeping of and for better health for all for the past decades. From the control of parasites to building of community health system in rural places, the works has now resulted in healthier Korea than ever, and has transformed the role of engaging as the world leader in contribution of health and development. Seventy years of independence, war, and poverty, transforming from a recipient country of official development assistance to a significant donor to the global society, we have emphasized the importance of international cooperation and the role of WHO in the past years in Korea and neighboring countries. Looking back of the past is meaningful to diagnose the present problems, and to foresee the future of our world.
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Cho H, Pahk K, Kim H. Development of low-intensity focused ultrasound (LIFU) based MRI-compatible brain stimulation system. Brain Stimul 2017. [DOI: 10.1016/j.brs.2017.01.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Jang S, Kim D, Cho H, Kwon M, Jun S. Assessing stimulation effects induced by tDCS using MEG. Brain Stimul 2017. [DOI: 10.1016/j.brs.2017.01.536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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113
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Tokunaga M, Ito S, Yoshikawa T, Nunobe S, Fukagawa T, Misawa K, Cho H, Katai H, Sano T, Terashima M. Prognostic factors for survival in patients with pT1 N+ or T2–3 N0 gastric cancer in Japan. Br J Surg 2017; 104:885-890. [DOI: 10.1002/bjs.10509] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 09/07/2016] [Accepted: 01/13/2017] [Indexed: 01/22/2023]
Abstract
Abstract
Background
The outcome for pT1 N+ or pT2–3 N0 gastric cancer is favourable, but some patients suffer from recurrent disease. The aim of this study was to identify prognostic factors in patients with pT1 N+ or pT2–3 N0 gastric cancer.
Methods
This was a multicentre, retrospective cohort study. All patients with pT1 N+ or pT2–3 N0 gastric cancer who underwent curative gastrectomy at five high-volume, specialized cancer centres in Japan between 2000 and 2008 were included. Demographic, clinical, surgical and pathological data were collected. Independent prognostic factors were identified using a Cox proportional hazards regression model.
Results
Some 1442 patients were included. The 5-year overall survival rate for patients with pT1 N+ or pT2–3 N0 gastric cancer was 92·0 per cent. Multivariable analysis for overall survival identified age (hazard ratio (HR) 2·67, 95 per cent c.i. 2·09 to 3·43), sex (HR 0·57, 0·39 to 0·83) and clinical tumour depth (cT) (HR 1·45, 1·06 to 1·98) as independent prognostic factors.
Conclusion
Survival of patients with pT1 N+ or pT2–3 N0 gastric cancer is good. Age 65 years or above, male sex and cT2-4 category are associated with worse overall survival.
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Bhatti FU, Mehmood A, Latief N, Zahra S, Cho H, Khan SN, Riazuddin S. Vitamin E protects rat mesenchymal stem cells against hydrogen peroxide-induced oxidative stress in vitro and improves their therapeutic potential in surgically-induced rat model of osteoarthritis. Osteoarthritis Cartilage 2017; 25:321-331. [PMID: 27693502 DOI: 10.1016/j.joca.2016.09.014] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 09/04/2016] [Accepted: 09/23/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Oxidative stress is a major obstacle against cartilage repair in osteoarthritis (OA). Anti-oxidant agents can play a vital role in addressing this issue. We evaluated the effect of Vitamin E preconditioning in improving the potential of mesenchymal stem cells (MSCs) to confer resistance against oxidative stress prevailing during OA. METHODS Vitamin E pretreated MSCs were exposed to oxidative stress in vitro by hydrogen peroxide (H2O2) and also implanted in surgically-induced rat model of OA. Analysis was done in terms of cell proliferation, apoptosis, cytotoxicity, chondrogenesis and repair of cartilage tissue. RESULTS Vitamin E pretreatment enabled MSCs to counteract H2O2-induced oxidative stress in vitro. Proliferative markers, proliferating cell nuclear antigen (PCNA) and Ki67 were up-regulated, along with the increase in the viability of MSCs. Expression of transforming growth factor-beta (TGFβ) was also increased. Reduction of apoptosis, expression of vascular endothelial growth factor (VEGF) and caspase 3 (Casp3) genes, and lactate dehydrogenase (LDH) release were also observed. Transplantation of Vitamin E pretreated MSCs resulted in increased proteoglycan contents of cartilage matrix. Increased expression of chondrogenic markers, Aggrecan (Acan) and collagen type-II alpha (Col2a1) accompanied by decreased expression of collagen type-I alpha (Col1a1) resulted in increased differentiation index that signifies the formation of hyaline cartilage. Further, there was an increased expression of PCNA and TGFβ genes along with a decreased expression of Casp3 and VEGF genes with increased histological score. CONCLUSION Taken together results of this study demonstrated that Vitamin E pretreated MSCs have an improved ability to impede the progression of OA and thus increased potential to treat OA.
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Ida S, Hiki N, Cho H, Sakamaki K, Ito S, Fujitani K, Takiguchi N, Kawashima Y, Nishikawa K, Sasako M, Aoyama T, Honda M, Sato T, Nunobe S, Yoshikawa T. Randomized clinical trial comparing standard diet with perioperative oral immunonutrition in total gastrectomy for gastric cancer. Br J Surg 2017; 104:377-383. [PMID: 28072447 DOI: 10.1002/bjs.10417] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 08/19/2016] [Accepted: 09/30/2016] [Indexed: 11/12/2022]
Abstract
BACKGROUND Total gastrectomy for gastric cancer is associated with excessive weight loss and decreased calorie intake. Nutritional support using eicosapentaenoic acid modulates immune function and limits catabolism in patients with advanced cancer, but its impact in the perioperative period is unclear. METHODS This was a randomized phase III clinical trial of addition of eicosapentaenoic acid-rich nutrition to a standard diet in patients having total gastrectomy for gastric cancer. Patients were randomized to either a standard diet or standard diet with oral supplementation of an eicosapentaenoic acid (ProSure®), comprising 600 kcal with 2·2 g eicosapentaenoic acid, for 7 days before and 21 days after surgery. The primary endpoint was percentage bodyweight loss at 1 and 3 months after surgery. RESULTS Of 127 eligible patients, 126 were randomized; 124 patients (61 standard diet, 63 supplemented diet) were analysed for safety and 123 (60 standard diet, 63 supplemented diet) for efficacy. Across both groups, all but three patients underwent total gastrectomy with Roux-en-Y reconstruction. Background factors were well balanced between the groups. Median compliance with the supplement in the immunonutrition group was 100 per cent before and 54 per cent after surgery. The surgical morbidity rate was 13 per cent in patients who received a standard diet and 14 per cent among those with a supplemented diet. Median bodyweight loss at 1 month after gastrectomy was 8·7 per cent without dietary supplementation and 8·5 per cent with eicosapentaenoic acid enrichment (P = 0·818, adjusted P = 1·000). Similarly, there was no difference between groups in percentage bodyweight loss at 3 months (P = 0·529, adjusted P = 1·000). CONCLUSION Immunonutrition based on an eicosapentaenoic acid-enriched oral diet did not reduce bodyweight loss after total gastrectomy for gastric cancer compared with a standard diet. Registration number: UMIN000006380 ( http://www.umin.ac.jp/).
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Lee KW, Lee ST, Cho H. Posterior reversible encephalopathy syndrome caused by presumed Takayasu arteritis. KOREAN JOURNAL OF PEDIATRICS 2016; 59:S145-S148. [PMID: 28018468 PMCID: PMC5177699 DOI: 10.3345/kjp.2016.59.11.s145] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 03/03/2015] [Accepted: 03/17/2015] [Indexed: 11/27/2022]
Abstract
Takayasu arteritis (TA) is a chronic inflammatory disease of unknown etiology that affects mainly the aorta, main aortic branches, and pulmonary arteries. Diverse neurological manifestations of TA have rarely been reported in children. Posterior reversible encephalopathy syndrome (PRES) is a neuroradiological condition that presents with headache, seizure, visual disturbances, and characteristic lesions on imaging. Inflammatory condition and severe hypertension in TA can cause PRES. We report of a 5-year-old girl with presumed TA who presented with PRES and chronic total occlusion in the renal artery. The findings on magnetic resonance imaging suggested PRES. Left nephrectomy was performed for total occlusion of the left renal artery, and the confirmatory diagnosis of TA was based on the pathologic findings of the renal artery.
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Cho HW, Lee ST, Cho H, Cheong HI. A novel mutation of CLCNKB in a Korean patient of mixed phenotype of Bartter-Gitelman syndrome. KOREAN JOURNAL OF PEDIATRICS 2016; 59:S103-S106. [PMID: 28018459 PMCID: PMC5177689 DOI: 10.3345/kjp.2016.59.11.s103] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 01/11/2016] [Accepted: 01/27/2016] [Indexed: 12/11/2022]
Abstract
Bartter syndrome (BS) is an inherited renal tubular disorder characterized by low or normal blood pressure, hypokalemic metabolic alkalosis, and hyperreninemic hyperaldosteronism. Type III BS is caused by loss-of-function mutations in CLCNKB encoding basolateral ClC-Kb. The clinical phenotype of patients with CLCNKB mutations has been known to be highly variable, and cases that are difficult to categorize as type III BS or other hereditary tubulopathies, such as Gitelman syndrome, have been rarely reported. We report a case of a 10-year-old Korean boy with atypical clinical findings caused by a novel CLCNKB mutation. The boy showed intermittent muscle cramps with laboratory findings of hypokalemia, severe hypomagnesemia, and nephrocalcinosis. These findings were not fully compatible with those observed in cases of BS or Gitelman syndrome. The CLCNKB mutation analysis revealed a heterozygous c.139G>A transition in exon 13 [p.Gly(GGG)465Glu(GAG)]. This change is not a known mutation; however, the clinical findings and in silico prediction results indicated that it is the underlying cause of his presentation.
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Lee ST, Cho H. Fluid overload and outcomes in neonates receiving continuous renal replacement therapy. Pediatr Nephrol 2016; 31:2145-52. [PMID: 26975386 DOI: 10.1007/s00467-016-3363-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 02/23/2016] [Accepted: 02/24/2016] [Indexed: 01/20/2023]
Abstract
BACKGROUND Continuous renal replacement therapy (CRRT) has emerged as the modality of choice for the management of high-risk neonates with acute kidney injury (AKI), inborn errors of metabolism and multi-organ dysfunction. The aim of this study was to evaluate fluid overload (FO) and investigate the factors associated with outcomes in neonates undergoing CRRT. METHODS We retrospectively reviewed the medical records of 34 neonates with AKI who were admitted to the neonatal intensive care unit (NICU) of Samsung Medical Center, Seoul, Republic of Korea between January 2007 and December 2014 where they underwent at least 24 h of CRRT. RESULTS The survival rates of patients with an FO of ≥30 % at the time of CRRT initiation were lower than those of patients with an FO of <30 % at the same time-point. Univariate Cox regression analysis revealed that a higher percentage FO at CRRT initiation and decreased urine output at the end of CRRT were associated with mortality, and multivariate Cox regression analysis indicated that mortality was associated with decreased urine output at the end of CRRT. Univariate linear regression analysis revealed that the length of hospital stay was associated with higher levels of serum creatinine at CRRT initiation, longer stay in the NICU prior to initiation of CRRT, longer duration of CRRT and lower body weight at the time of NICU admission. CONCLUSIONS Neonates with a higher percentage FO and higher levels of serum creatinine at CRRT initiation showed poor outcomes. Early initiation of CRRT before the development of severe FO or azotemia might improve the outcomes of neonates requiring CRRT.
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Tanabe K, Yoshikawa T, Oshima T, Miyagi Y, Morita S, Nishikawa K, Ito Y, Matsui T, Kimura Y, Aoyama T, Hayashi T, Ogata T, Cho H, Tuburaya A, Sakamoto J. Biomarker analysis to predict the pathological response of locally advanced gastric cancer to neoadjuvant chemotherapy: an exploratory study of the randomized phase II COMPASS trial. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw363.35] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Cheong HI, Jo SK, Yoon SS, Cho H, Kim JS, Kim YO, Koo JR, Park Y, Park YS, Shin JI, Yoo KH, Oh D. Clinical Practice Guidelines for the Management of Atypical Hemolytic Uremic Syndrome in Korea. J Korean Med Sci 2016; 31:1516-28. [PMID: 27550478 PMCID: PMC4999392 DOI: 10.3346/jkms.2016.31.10.1516] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 07/10/2016] [Indexed: 12/19/2022] Open
Abstract
Atypical hemolytic uremic syndrome (aHUS) is a rare syndrome characterized by micro-angiopathic hemolytic anemia, thrombocytopenia, and acute kidney injury. The major pathogenesis of aHUS involves dysregulation of the complement system. Eculizumab, which blocks complement C5 activation, has recently been proven as an effective agent. Delayed diagnosis and treatment of aHUS can cause death or end-stage renal disease. Therefore, a diagnosis that differentiates aHUS from other forms of thrombotic microangiopathy is very important for appropriate management. These guidelines aim to offer recommendations for the diagnosis and treatment of patients with aHUS in Korea. The guidelines have largely been adopted from the current guidelines due to the lack of evidence concerning the Korean population.
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Shin Y, Lim H, Kang M, Seong M, Cho H, Kim J. Normal range of eye movement and its relationship to age. Acta Ophthalmol 2016. [DOI: 10.1111/j.1755-3768.2016.0499] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Shin Y, Cho H, Lim H, Seong M, Kang M, Hong E, Chung J. Diabetic retinopathy and hearing loss: results from Korean National Health and Nutrition Survey (KHANES V) (2010-2012). Acta Ophthalmol 2016. [DOI: 10.1111/j.1755-3768.2016.0409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Le MT, Choi MK, Cho H, Park C. P8003 The gene duplication of β-2 microglobulin in Artiodactyla remains intact only in pigs. J Anim Sci 2016. [DOI: 10.2527/jas2016.94supplement4182x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Chung B, Byun Y, Son J, Cho Y, Kim H, Cho H, Park C. 227 Effect of different cooking methods on histamine levels in selected foods. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.06.247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Son J, Chung B, Cho Y, Byun Y, Yang Y, Cho H, Kim H, Park C. 222 Effects of itraconazole and tacrolimus on Aryl hydrocarbon receptor and NADPH quinine oxidoreductase 1. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.06.242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Markway BD, Cho H, Anderson DE, Holden P, Ravi V, Little CB, Johnstone B. Reoxygenation enhances tumour necrosis factor alpha-induced degradation of the extracellular matrix produced by chondrogenic cells. Eur Cell Mater 2016; 31:425-39. [PMID: 27341301 DOI: 10.22203/ecm.v031a27] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Mesenchymal stem cells (MSCs) have been considered as a potential source for cell-based therapies in arthritic diseases for both their chondrogenic and anti-inflammatory properties. Thus, we examined how MSC-based neocartilage responds to tumour necrosis factor alpha (TNF-α) compared to articular chondrocyte (AC)-based neocartilage. Since oxygen tension is altered in arthritic joints, we also examined how increased oxygen tension influences this process. Monolayer-expanded healthy human ACs and bone marrow MSCs were cultured in chondrogenic medium in three-dimensional culture under hypoxia. They were then exposed to TNF-α under hypoxic or increased oxygen tension. We found no inherent anti-inflammatory potential of MSC-derived neocartilage as it pertains to the enzymes studied here: more degradative enzymes were upregulated by TNF-α in MSCs than in ACs, regardless of the oxygen tension. MSCs were also more sensitive to reoxygenation during TNF-α exposure, as indicated by increased proteoglycan loss, increased aggrecanase-generated metabolites, and further upregulation of the major aggrecanases, ADAMTS4 and ADAMTS5. There was also evidence of matrix metalloproteinase (MMP)-mediated aggrecan interglobular domain cleavage and type II collagen loss in response to TNF-α in both MSCs and ACs, but more MMPs were further upregulated by reoxygenation in MSCs than in ACs. Our study provides further evidence that consideration of oxygen tension is essential for studying cartilage degradation; for example, neocartilage produced from MSCs may be more sensitive to the negative effects of repeated hypoxia/reoxygenation events than AC-derived neocartilage. Consideration of the differences in responses may be important for cell-based therapies and selection of adjunctive chondroprotective agents.
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Jung HS, Jin SH, Cho JH, Han SH, Lee DK, Cho H. UTE-ΔR2 -ΔR2 * combined MR whole-brain angiogram using dual-contrast superparamagnetic iron oxide nanoparticles. NMR IN BIOMEDICINE 2016; 29:690-701. [PMID: 27061076 DOI: 10.1002/nbm.3514] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Revised: 02/10/2016] [Accepted: 02/19/2016] [Indexed: 06/05/2023]
Abstract
The ability to visualize whole-brain vasculature is important for quantitative in vivo investigation of vascular malfunctions in cerebral small vessel diseases, including cancer, stroke and neurodegeneration. Transverse relaxation-based ΔR2 and ΔR2 * MR angiography (MRA) provides improved vessel-tissue contrast in animal deep brain with the aid of intravascular contrast agents; however, it is susceptible to orientation dependence, air-tissue interface artifacts and vessel size overestimation. Dual-mode MRA acquisition with superparamagnetic iron oxide nanoparticles (SPION) provides a unique opportunity to systematically compare and synergistically combine both longitudinal (R1 ) and transverse (ΔR2 and ΔR2 *) relaxation-based MRA. Through Monte Carlo (MC) simulation and MRA experiments in normal and tumor-bearing animals with intravascular SPION, we show that ultrashort TE (UTE) MRA acquires well-defined vascularization on the brain surface, minimizing air-tissue artifacts, and combined ΔR2 and ΔR2 * MRA simultaneously improves the sensitivity to intracortical penetrating vessels and reduces vessel size overestimation. Consequently, UTE-ΔR2 -ΔR2 * combined MRA complements the shortcomings of individual angiograms and provides a strategy to synergistically merge longitudinal and transverse relaxation effects to generate more robust in vivo whole-brain micro-MRA. Copyright © 2016 John Wiley & Sons, Ltd.
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Ogata T, Nakajima T, Kano K, Maezawa Y, Segami K, Ikeda K, Sato T, Cho H, Yoshikawa T. P-253 Multimodal analgesia combined with epidural anesthesia and intravenous administration of acetaminophen in perioperative management of esophagectomy using modified ERAS protocol. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw199.244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Cho H, Hong C, Doh I, Ahn B. SU-F-I-22: Development and Implementation of Task-Specific Modular Phantom for MRI Quality Evaluation. Med Phys 2016. [DOI: 10.1118/1.4955850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Lee DW, Choe YJ, Kim JH, Song KM, Cho H, Bae GR, Lee JK. Corrigendum to "Epidemiology of Japanese encephalitis in South Korea, 2007-2010" International Journal of Infectious Diseases, Volume 16, Issue 6, June 2012, Pages e448-e452. Int J Infect Dis 2016; 48:84. [PMID: 27167063 DOI: 10.1016/j.ijid.2016.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Park EG, Cho SY, Lee J, Kim J, Cho H, Kim J, Huh R, Ki CS, Kim OH, Jin DK. First Korean Case of Infantile Hypophosphatasia with Novel Mutation in ALPL and Literature Review. ANNALS OF CLINICAL AND LABORATORY SCIENCE 2016; 46:302-307. [PMID: 27312557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Hypophosphatasia is a rare hereditary disorder characterized by defective bone and tooth mineralization and deficiency of tissue non-specific alkaline phosphatase activity. The prognosis for the infantile form is poor, with approximately 50% of patients dying within the first year of life from respiratory failure. We describe the clinical and biochemical findings as well as the molecular analysis of a Korean boy with infantile hypophosphatasia and present a literature review. A 1-month-old boy visited the clinic because of poor feeding, frequent vomiting, hypotonia, and failure to thrive from birth. Laboratory tests revealed high total calcium, low phosphorous, low alkaline phosphatase, low parathyroid hormone, and normal 25-hydroxyvitamin D. Intravenous hydration with normal saline was started, and dietary calcium intake was restricted. Skeletal X-rays showed a markedly increased distance of the anterior fontanelle, impaired mineralization, and rachitic changes in the metaphyses. By Sanger sequencing of the ALPL gene, we identified two heterozygous variants, including a missense (c.334G>A; p.Gly112Ser) and a nonsense (c.1039C>T; p.Gln347*) variant. The c.334G>A (p.Gly112Ser) variant had previously been reported in a patient with lethal type hypophosphatasia, while the nonsense c.1039C>T (p.Gln347*) variant was novel. In the current case, the accurate diagnosis and prompt intervention-including dietary calcium intake restriction, tracheostomy to prevent progression to respiratory failure, and fundoplication with gastrostomy to ensure the administration of adequate calories-seemed to play an important role for avoiding preventable morbidity and premature mortality.
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Abstract
AIM The incidence of pediatric urolithiasis has increased over the last century because of dietary changes, metabolic abnormalities, climate change, and genitourinary abnormalities. Data on pediatric urolithiasis in non-endemic countries are limited. The aim of this study was to evaluate the clinical findings and metabolic etiology of urolithiasis in Korean children. MATERIAL AND METHODS The medical records of 73 Korean children who were newly diagnosed with urolithiasis from January 2010 to December 2013 were retrospectively analyzed. Evaluation of metabolic risk factors, including hypercalciuria, hyperuricosuria, hypomagnesuria, hyperoxaluria, and hypocitraturia, required analysis of 24-h urine specimens or, alternatively, for infants and toddlers, the solute-creatinine ratio in spot urine. RESULTS The male-to-female ratio of the included patients was 1.3:1. The median age at diagnosis was 10.1 years, and the patients were divided into two age groups with pre-school-age children (n = 27, 37.0%) and school-age children (n = 46, 63.0%). While flank pain was more common in school-age children, incidentally detected or urinary tract infection (UTI)-associated urolithiasis was more common in pre-school-age children. Eight patients (11.0%) had renal function deterioration associated with urolithiasis, and three patients (4.1%) progressed to chronic kidney disease. Metabolic abnormalities according to urine chemistry were found in 30 patients (41.1%), including hypercalciuria in 21.9%, hyperuricosuria in 11.0%, hypomagnesuria in 4.1%, hyperoxaluria in 1.4%, hypocitraturia in 1.4%, and cystinuria in 1.4%. CONCLUSION We suggest that school-age children with renal colic and pre-school-age children with UTI should be evaluated for urolithiasis. Additionally, the evaluation for metabolic risk factors is important in order to prevent recurrence and renal insufficiency.
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Cho H, Kim YW, Suh CH, Jung JY, Um YJ, Jung JH, Kim HA. Concordance between the tuberculin skin test and interferon gamma release assay (IGRA) for diagnosing latent tuberculosis infection in patients with systemic lupus erythematosus and patient characteristics associated with an indeterminate IGRA. Lupus 2016; 25:1341-8. [PMID: 26985011 DOI: 10.1177/0961203316639381] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 02/23/2016] [Indexed: 11/16/2022]
Abstract
OBJECTIVE We investigated the agreement between the tuberculin skin test (TST) and the QuantiFERON-TB gold (QFT-G) assay in the diagnosis of latent tuberculosis infection (LTBI) in patients with systemic lupus erythematosus (SLE). Furthermore, we evaluated the factors associated with indeterminate results in the QFT-G assay in patients with SLE. METHODS We enrolled 136 patients with SLE prospectively, and compared them to 66 patients with rheumatoid arthritis (RA). In addition to the TST, QFT-G assay, patients' medications, and Bacillus Calmette-Guérin (BCG) vaccination status were also investigated. A positive TST or QFT-G assay result without an active tuberculosis lesion on chest x-ray was considered to indicate a diagnosis of LTBI. RESULTS The prevalence of LTBI was 26.5% in patients with SLE and 30.3% in patients with RA. The agreement between the TST and QFT-G assay was fair in SLE patients, but poor in RA patients. BCG vaccination was one factor associated with discordance between TST and QFT-G. Older age and higher SLE Disease Activity Index (SLEDAI) score were associated with a negative TST/positive QFT-G result in patients with SLE. Higher SLEDAI score and increased glucocorticoid dose were associated with an indeterminate result in the QFT-G assay for patients with SLE. CONCLUSIONS Agreement between the QFT-G assay and TST in patients with SLE was found to be fair. However, BCG vaccination status, age, and SLEDAI score are all factors that could result in discordance between the two tests. Indeterminate results from the QFT-G assay may be caused by a higher SLEDAI score or increased glucocorticoid dose.
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Kim MS, Choe M, Cho H, Polster BM, Girnun GD, Passaniti A. Abstract P5-05-02: Regulation of glucose metabolism by the RUNX2 transcription factor has a negative impact on mitochondrial function in breast cancer cells. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p5-05-02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
The RUNX2 transcription factor regulates breast cancer (BC) metastasis to bone and is itself a target of IGF-1 signaling pathways. We have shown that glucose can activate RUNX2 phopshorylation through IGF-1 receptor signaling and that RUNX2 was associated with inhibition of pyruvate dehydrogenase (PDHA1) activity and repression of mitochondrial respiration in BC cells. However, the mechanisms by which RUNX2 alters mitochondrial function and supports an oncogenic phenotype are not completely known. RUNX2 expression in a luminal BC cell line increased expression of glycolytic genes, and sensitivity to glucose starvation. However, RUNX2 knockdown in a triple-negative BC cell line inhibited expression of glycolytic genes. RUNX2 also repressed mitochondrial oxygen consumption rates (OCR), a measure of oxidative phosphorylation while overexpression of SIRT6, a NAD-dependent histone deacetylase, increased respiration in RUNX2-positive cells. RUNX2 repressed SIRT6 expression directly at the transcriptional and post-translational levels. High SIRT6 expression was observed in normal mammary tissue and cells that did not express RUNX2 but endogenous SIRT6 expression was low in malignant BC tissues or cell lines, which expressed high levels of RUNX2. These results suggest that SIRT6, a known tumor suppressor, was a critical mediator of these RUNX2-regulated metabolic changes. These results support a hypothesis whereby RUNX2 upregulation during BC progression leads to inactivation of the SIRT6 tumor suppressor to promote tumorigenesis. It will be important to investigate further changes in mitochondrial function to understand the precise mechanisms by which RUNX2 regulates BC metabolism.
Citation Format: Kim MS, Choe M, Cho H, Polster BM, Girnun GD, Passaniti A. Regulation of glucose metabolism by the RUNX2 transcription factor has a negative impact on mitochondrial function in breast cancer cells. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P5-05-02.
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Cho H, Jeong SH, Park MH, Kim YH, Wolf C, Lee CL, Heo JH, Sadhanala A, Myoung N, Yoo S, Im SH, Friend RH, Lee TW. Overcoming the electroluminescence efficiency limitations of perovskite light-emitting diodes. Science 2015; 350:1222-5. [DOI: 10.1126/science.aad1818] [Citation(s) in RCA: 2021] [Impact Index Per Article: 224.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 10/22/2015] [Indexed: 11/02/2022]
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Jang M, Jung T, Cho H, Hong S, Dhong H, Chung S, Kim H. Effect of parapharyngeal fat on dynamic obstruction of upper airway in obstructive sleep apnea patients. Sleep Med 2015. [DOI: 10.1016/j.sleep.2015.02.210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cho H, Ahn S, Lim K, Kim W, Lee Y, Ko B. Early failure of noninvasive ventilation in chronic obstructive pulmonary disease with acute hypercapnic respiratory failure. Intensive Care Med Exp 2015. [PMCID: PMC4796217 DOI: 10.1186/2197-425x-3-s1-a671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Chung H, Ahn S, Kim J, Min H, Lee J, Kim C, Cho H. The tongue volume influences on the lowest oxygen saturation than apnea–hypopnea index in obstructive sleep apnea. Sleep Med 2015. [DOI: 10.1016/j.sleep.2015.02.475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Lee YK, Lee H, Kim JM, Kang JM, Lee ST, Lee NY, Kim YJ, Cho H. The Antibiotic Resistance Pattern of Gram-Negative Bacteria in Children Younger Than 24 Months with a Urinary Tract Infection: A Retrospective Single-Center Study over 15 Consecutive Years. ACTA ACUST UNITED AC 2015. [DOI: 10.3339/chikd.2015.19.2.148] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ok SH, Yu J, Lee Y, Cho H, Shin IW, Sohn JT. Lipid emulsion attenuates apoptosis induced by a toxic dose of bupivacaine in H9c2 rat cardiomyoblast cells. Hum Exp Toxicol 2015; 35:929-37. [PMID: 26437793 DOI: 10.1177/0960327115608930] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The goal of this in vitro study was to investigate the effect of lipid emulsion on apoptosis induced by a toxic dose of bupivacaine (BPV) in H9c2 rat cardiomyoblast cell lines. The effect of lipid emulsion on the decreased cell viability and count induced by BPV or mepivacaine (MPV) in the H9c2 cells was assessed using an 3-(4,5-dimethylthiazole-2-yl)-2,5-diphenyl tetrazolium bromide assay or a cell count assay. The effect of BPV or lipid emulsion combined with BPV on cleaved caspase 3, caspase 8, and Bax in H9c2 cells was investigated using Western blotting. A terminal deoxynucleotidyl transferase dUTP2'-deoxyuridine 5'-triphosphate nick end-labeling (TUNEL) assay was performed to detect apoptosis of H9c2 cells treated with BPV alone or lipid emulsion combined with BPV. The magnitude of lipid emulsion-mediated attenuation of decreased cell viability induced by BPV was higher than that of lipid emulsion-mediated attenuation of decreased cell viability induced by MPV. Lipid emulsion attenuated the increases in cleaved caspase 3, caspase 8 and Bax induced by BPV. Lipid emulsion attenuated the increases in TUNEL-positive cells induced by BPV. These results suggest that lipid emulsion attenuates a toxic dose of BPV-induced apoptosis via inhibition of the extrinsic and intrinsic apoptotic pathways. The protective effect of lipid emulsion may be partially associated with the relatively high lipid solubility of BPV.
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Cho H, Shin D, Kim J, Jeong M, Bang I. Evaluation of carcinogenicity of urban particulate matter SRM1648a by cell transformation assay. Toxicol Lett 2015. [DOI: 10.1016/j.toxlet.2015.08.717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Cho H, Shin D, Kim J, Bang I, Jeong M. Polyhexamethylene biguanidine induce pulmonary inflammatory responses. Toxicol Lett 2015. [DOI: 10.1016/j.toxlet.2015.08.532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cho H, Park Y, Shin D, Kim J, Jeong M, Bang I. Lignan from the seeds of morning glory induced apoptosis in MDA-MB-231 cells. Toxicol Lett 2015. [DOI: 10.1016/j.toxlet.2015.08.1065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sowa T, Menju T, Chen F, Nakanishi T, Neri S, Cho H, Shikuma K, Motoyama H, Hijiya K, Aoyama A, Sato T, Sonobe M, Harada H, Date H. 3121 HIF-1α expression correlated with glycolytic metabolism, and affected on drug resistance in lung cancer. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31762-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Hiki N, Yoshikawa T, Sakamaki K, Ito S, Fujitani K, Takiguchi N, Kawashima Y, Nishikawa K, Sasako M, Ida S, Aoyama T, Honda M, Sato T, Nunobe S, Cho H. 1122 A phase III trial to confirm preventing effects of perioperative enteral EPA-enriched immunonutrition on body weight loss after total gastrectomy for gastric cancer. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30504-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Yoshikawa T, Fujitani K, Nishikawa K, Tanabe K, Ito S, Matsui T, Miki A, Nemoto H, Sakamaki K, Cho H, Fukunaga T, Kimura Y, Hirabayashi N. 2222 Comparison of chemotherapy-related toxicities in a randomized 2X2 phase II trial comparing two and four courses of cisplatin/S-1 (CS) and docetaxel/cisplatin/S-1 (DCS) as neoadjuvant chemotherapy for locally advanced gastric cancer. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31138-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Menju T, Imamura N, Neri S, Cho H, Nakanishi T, Shikuma K, Sowa T, Sonobe M, Sabe H, Feller S, Date H. 186 Grb2 promotes cancer invasiveness via EGF-induced GEP100-Arf6 pathway. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30083-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Cho H, Kim C, Kim HJ, Ye BS, Kim YJ, Jung NY, Son TO, Cho EB, Jang H, Lee J, Kang M, Shin HY, Jeon S, Lee JM, Kim ST, Choi YC, Na DL, Seo SW. Impact of smoking on neurodegeneration and cerebrovascular disease markers in cognitively normal men. Eur J Neurol 2015; 23:110-9. [PMID: 26264353 DOI: 10.1111/ene.12816] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 06/05/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND PURPOSE Smoking is a major risk factor for cognitive decline and dementia. However, the exact pathobiology of smoking remains unknown. The effects of smoking on cortical thickness as a biomarker of neurodegeneration or white matter hyperintensities and lacunes as biomarkers of cerebrovascular burden were concurrently evaluated. METHODS Our study included 977 cognitively normal men who visited a health promotion centre and underwent medical check-ups, including 3.0 T magnetic resonance imaging. Participants were categorized into never smoker, past smoker or current smoker groups and pack-years and the years of smoking cessation were used as continuous variables. RESULTS The current smoker group exhibited cortical thinning in frontal and temporo-parietal regions compared with the never smoker group. These effects were particularly prominent in smokers with a high cumulative exposure to smoking in the current smoker group. However, there was no association between smoking and the severity of white matter hyperintensity or number of lacunes. CONCLUSION Our findings indicate that smoking might impact on neurodegeneration rather than cerebrovascular burdens in cognitively normal men, suggesting that smoking might be an important modifiable risk factor for the development of Alzheimer's disease.
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Cho H. Complement regulation: physiology and disease relevance. KOREAN JOURNAL OF PEDIATRICS 2015; 58:239-44. [PMID: 26300937 PMCID: PMC4543182 DOI: 10.3345/kjp.2015.58.7.239] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 05/27/2015] [Indexed: 01/21/2023]
Abstract
The complement system is part of the innate immune response and as such defends against invading pathogens, removes immune complexes and damaged self-cells, aids organ regeneration, confers neuroprotection, and engages with the adaptive immune response via T and B cells. Complement activation can either benefit or harm the host organism; thus, the complement system must maintain a balance between activation on foreign or modified self surfaces and inhibition on intact host cells. Complement regulators are essential for maintaining this balance and are classified as soluble regulators, such as factor H, and membrane-bound regulators. Defective complement regulators can damage the host cell and result in the accumulation of immunological debris. Moreover, defective regulators are associated with several autoimmune diseases such as atypical hemolytic uremic syndrome, dense deposit disease, age-related macular degeneration, and systemic lupus erythematosus. Therefore, understanding the molecular mechanisms by which the complement system is regulated is important for the development of novel therapies for complement-associated diseases.
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Ogawa A, Cho H. Role of food emulsifiers in milk coffee beverages. J Colloid Interface Sci 2015; 449:198-204. [DOI: 10.1016/j.jcis.2015.01.063] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 01/22/2015] [Accepted: 01/23/2015] [Indexed: 11/28/2022]
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