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Kim HN, Park JH. Concurrent sorption of antimony and lead by iron phosphate and its possible application for multi-oxyanion contaminated soil. Environ Sci Pollut Res Int 2023; 30:22835-22842. [PMID: 36308659 DOI: 10.1007/s11356-022-23800-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
Concurrent stabilization of oxyanions such as antimony (Sb), arsenic (As), and heavy metals including lead (Pb) and manganese (Mn) in contaminated soils is difficult because of their diverse chemical properties. Antimony and As are stabilized by sorption with iron oxides while heavy metals are stabilized by phosphate. Hence, iron phosphate can be used to simultaneously stabilize Sb and Pb. Therefore, this study aimed to evaluate the possibility of simultaneous stabilization of Sb and Pb using iron phosphate. A single and a mixed solution of Sb and Pb were reacted with synthesized iron phosphate. Contaminated soil by Sb, As, Mo, Cr, and Mn was treated with iron phosphate, and bioavailable metal concentrations were evaluated by extracting the soil with 0.05 M ammonium sulfate. In a single solution, Sb(III) and Sb(V) sorption rate ranged up to 97% and 65%, respectively. In a mixed metal solution, Sb sorption increased compared to the single solution and Pb removal reached more than 95% in all cases. The sorption of Sb increased as the pH decreased, but the Sb(III) sorption was less affected by the pH than Sb(V). In various pH ranges, Sb(III) and Sb(V) sorption rates increased by 26 ~ 32% and 38 ~ 68%, respectively, compared to the single solution. Especially, Sb(V) sorption significantly increased in the presence of Pb at lower pH because of the lower solubility of iron phosphate. In soil, iron phosphate slightly decreased bioavailable As, Cr, Mo, Sb, and Mn concentrations. Therefore, metalloids and metals can be simultaneously stabilized by iron phosphate both in solution and soil.
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Affiliation(s)
- Han Na Kim
- Department of Environmental and Biological Chemistry, Chungbuk National University, 1 Chungdae-Ro, Seowon-Gu, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Jin Hee Park
- Department of Environmental and Biological Chemistry, Chungbuk National University, 1 Chungdae-Ro, Seowon-Gu, Cheongju, Chungbuk, 28644, Republic of Korea.
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Kim HN, Seok YJ, Park GM, Vyavahare G, Park JH. Monitoring of plant-induced electrical signal of pepper plants (Capsicum annuum L.) according to urea fertilizer application. Sci Rep 2023; 13:291. [PMID: 36609663 PMCID: PMC9822957 DOI: 10.1038/s41598-022-26687-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 12/19/2022] [Indexed: 01/09/2023] Open
Abstract
Plant-induced electrical signals (PIES) can be non-destructively monitored by inserting electrodes into plant stems, which reflect plant nutrient and water uptake. The main objective of this study was to evaluate the growth of pepper plants with different urea applications (low fertilizer: N0, Control: N1, and high fertilizer: N2) in soil by monitoring PIES. The PIES value was found to be low in the low urea treatment group while the two times higher urea applied pepper had the highest PIES value. The nutritional content of the stem, leaves and soil did not correlate with PIES because of dilution effect by high biomass with high urea application, but principal component analysis showed that the PIES was positively associated with pepper biomass and soil EC. The high fertilizer did not affect chlorophyll and proline contents in pepper leaves. The assessment of plant growth by PIES has advantages because non-destructive, real time and remote monitoring is possible. Therefore, PIES monitoring of different plants grown under various cultivation environments is useful method to evaluate plant activity and growth.
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Affiliation(s)
- Han Na Kim
- grid.254229.a0000 0000 9611 0917Department of Environmental and Biological Chemistry, Chungbuk National University, 1 Chungdae-ro, 28644, Cheongju, Seowon-gu Republic of Korea
| | - Yeong Ju Seok
- grid.254229.a0000 0000 9611 0917Department of Environmental and Biological Chemistry, Chungbuk National University, 1 Chungdae-ro, 28644, Cheongju, Seowon-gu Republic of Korea
| | - Gyung Min Park
- grid.254229.a0000 0000 9611 0917Department of Environmental and Biological Chemistry, Chungbuk National University, 1 Chungdae-ro, 28644, Cheongju, Seowon-gu Republic of Korea
| | - Govind Vyavahare
- grid.254229.a0000 0000 9611 0917Department of Environmental and Biological Chemistry, Chungbuk National University, 1 Chungdae-ro, 28644, Cheongju, Seowon-gu Republic of Korea
| | - Jin Hee Park
- Department of Environmental and Biological Chemistry, Chungbuk National University, 1 Chungdae-ro, 28644, Cheongju, Seowon-gu, Republic of Korea.
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Streinu-Cercel A, Săndulescu O, Preotescu LL, Kim JY, Kim YS, Cheon S, Jang YR, Lee SJ, Kim SH, Chang I, Suh JH, Lee SG, Kim MR, Chung DR, Kim HN, Streinu-Cercel A, Eom JS. Efficacy and Safety of Regdanvimab (CT-P59): A Phase 2/3 Randomized, Double-Blind, Placebo-Controlled Trial in Outpatients with Mild-to-Moderate Coronavirus Disease 2019. Open Forum Infect Dis 2022; 9:ofac053. [PMID: 35295819 PMCID: PMC8903348 DOI: 10.1093/ofid/ofac053] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 02/01/2022] [Indexed: 12/03/2022] Open
Abstract
Background Regdanvimab (CT-P59) is a monoclonal antibody with neutralizing activity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). We report on part 1 of a 2-part randomized, placebo-controlled, double-blind study for patients with mild-to-moderate coronavirus disease 2019 (COVID-19). Methods Outpatients with mild-to-moderate COVID-19 received a single dose of regdanvimab 40 mg/kg (n = 100), regdanvimab 80 mg/kg (n = 103), or placebo (n = 104). The primary end points were time to negative conversion of SARS-CoV-2 from nasopharyngeal swab based on quantitative reverse transcription polymerase chain reaction (RT-qPCR) up to day 28 and time to clinical recovery up to day 14. Secondary end points included the proportion of patients requiring hospitalization, oxygen therapy, or mortality due to COVID-19. Results Median (95% CI) time to negative conversion of RT-qPCR was 12.8 (9.0–12.9) days with regdanvimab 40 mg/kg, 11.9 (8.9–12.9) days with regdanvimab 80 mg/kg, and 12.9 (12.7–13.9) days with placebo. Median (95% CI) time to clinical recovery was 5.3 (4.0–6.8) days with regdanvimab 40 mg/kg, 6.2 (5.5–7.9) days with regdanvimab 80 mg/kg, and 8.8 (6.8–11.6) days with placebo. The proportion (95% CI) of patients requiring hospitalization or oxygen therapy was lower with regdanvimab 40 mg/kg (4.0% [1.6%–9.8%]) and regdanvimab 80 mg/kg (4.9% [2.1%–10.9%]) vs placebo (8.7% [4.6%–15.6%]). No serious treatment-emergent adverse events or deaths occurred. Conclusions Regdanvimab showed a trend toward a minor decrease in time to negative conversion of RT-qPCR results compared with placebo and reduced the need for hospitalization and oxygen therapy in patients with mild-to-moderate COVID-19. Clinical trial registration. NCT04602000 and EudraCT 2020-003369-20.
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Affiliation(s)
- Anca Streinu-Cercel
- National Institute for Infectious Diseases “Prof. Dr. Matei Balș”, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Oana Săndulescu
- National Institute for Infectious Diseases “Prof. Dr. Matei Balș”, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Liliana-Lucia Preotescu
- National Institute for Infectious Diseases “Prof. Dr. Matei Balș”, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Jin Yong Kim
- Division of Infectious Diseases, Department of Internal Medicine, Incheon Medical Center, Republic of Korea
| | - Yeon-Sook Kim
- Division of Infectious Diseases, Chungnam National University School of Medicine, Daejeon, Republic of Korea
| | - Shinhye Cheon
- Division of Infectious Diseases, Chungnam National University School of Medicine, Daejeon, Republic of Korea
| | - Young Rock Jang
- Division of Infectious Diseases, Department of Internal Medicine, Incheon Medical Center, Republic of Korea
| | | | | | | | | | | | - Mi Rim Kim
- Celltrion, Inc., Incheon, Republic of Korea
| | | | - Han Na Kim
- Celltrion, Inc., Incheon, Republic of Korea
| | - Adrian Streinu-Cercel
- National Institute for Infectious Diseases “Prof. Dr. Matei Balș”, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Joong Sik Eom
- Division of Infectious Diseases, Gil Medical Center, Gachon University College of Medicine, Incheon, Republic of Korea
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Bender Ignacio RA, Shapiro AE, Nance RM, Whitney BM, Delaney J, Bamford L, Wooten D, Karris M, Mathews WC, Kim HN, Van Rompaey SE, Keruly JC, Burkholder G, Napravnik S, Mayer KH, Jacobson J, Saag MS, Moore RD, Eron JJ, Willig AL, Christopoulos KA, Martin J, Hunt PW, Crane HM, Kitahata MM, Cachay E. Racial and ethnic disparities in COVID-19 disease incidence independent of comorbidities, among people with HIV in the US. medRxiv 2021:2021.12.07.21267296. [PMID: 34909782 PMCID: PMC8669849 DOI: 10.1101/2021.12.07.21267296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVES To define the incidence of clinically-detected COVID-19 in people with HIV (PWH) in the US and evaluate how racial and ethnic disparities, comorbidities, and HIV-related factors contribute to risk of COVID-19. DESIGN Observational study within the CFAR Network of Integrated Clinical Systems cohort in 7 cities during 2020. METHODS We calculated cumulative incidence rates of COVID-19 diagnosis among PWH in routine care by key characteristics including race/ethnicity, current and lowest CD4 count, and geographic area. We evaluated risk factors for COVID-19 among PWH using relative risk regression models adjusted with disease risk scores. RESULTS Among 16,056 PWH in care, of whom 44.5% were Black, 12.5% were Hispanic, with a median age of 52 years (IQR 40-59), 18% had a current CD4 count < 350, including 7% < 200; 95.5% were on antiretroviral therapy, and 85.6% were virologically suppressed. Overall in 2020, 649 PWH were diagnosed with COVID-19 for a rate of 4.94 cases per 100 person-years. The cumulative incidence of COVID-19 was 2.4-fold and 1.7-fold higher in Hispanic and Black PWH respectively, than non-Hispanic White PWH. In adjusted analyses, factors associated with COVID-19 included female sex, Hispanic or Black identity, lowest historical CD4 count <350 (proxy for CD4 nadir), current low CD4/CD8 ratio, diabetes, and obesity. CONCLUSIONS Our results suggest that the presence of structural racial inequities above and beyond medical comorbidities increased the risk of COVID-19 among PWHPWH with immune exhaustion as evidenced by lowest historical CD4 or current low CD4:CD8 ratio had greater risk of COVID-19.
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Affiliation(s)
- R A Bender Ignacio
- University of Washington, Seattle, WA, USA
- Fred Hutchinson Cancer Research Center
| | - A E Shapiro
- University of Washington, Seattle, WA, USA
- Fred Hutchinson Cancer Research Center
| | - R M Nance
- University of Washington, Seattle, WA, USA
| | | | | | - L Bamford
- University of California San Diego, San Diego, CA, USA
| | - D Wooten
- University of California San Diego, San Diego, CA, USA
| | - M Karris
- University of California San Diego, San Diego, CA, USA
| | - W C Mathews
- University of California San Diego, San Diego, CA, USA
| | - H N Kim
- University of Washington, Seattle, WA, USA
| | | | - J C Keruly
- Johns Hopkins School of Medicine, Baltimore, MD
| | - G Burkholder
- University of Alabama at Birmingham, Birmingham, AL, USA
| | - S Napravnik
- University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - K H Mayer
- Fenway Health and Harvard Medical School, Boston, MA, USA
| | - J Jacobson
- Case Western Reserve University, Cleveland, OH, USA
| | - M S Saag
- University of Alabama at Birmingham, Birmingham, AL, USA
| | - R D Moore
- Johns Hopkins School of Medicine, Baltimore, MD
| | - J J Eron
- University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - A L Willig
- University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - J Martin
- University of California, San Francisco, San Francisco, CA, USA
| | - P W Hunt
- University of California, San Francisco, San Francisco, CA, USA
| | - H M Crane
- University of Washington, Seattle, WA, USA
| | | | - E Cachay
- University of California San Diego, San Diego, CA, USA
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Criner KE, Kim HN, Ali H, Kumar SJ, Kanter JE, Wang L, Korytkowski MT. Hypoglycemia symptoms are reduced in hospitalized patients with diabetes. J Diabetes Complications 2021; 35:107976. [PMID: 34364780 PMCID: PMC8434970 DOI: 10.1016/j.jdiacomp.2021.107976] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/14/2021] [Accepted: 06/15/2021] [Indexed: 01/02/2023]
Abstract
AIMS Hospitalized patients with diabetes are have an impaired ability to detect hypoglycemia events. The purpose of this study was to compare hypoglycemia symptom scores (HSS) in hospitalized patients with diabetes after a documented blood glucose (BG) <70mg/dl with recalled HSS with outpatient hypoglycemia events. METHODS Non-critically ill hospitalized patients with diabetes grouped as symptomatic (n=23) or asymptomatic (n=32) at time of index hypoglycemia completed a standardized HSS-Questionnaires (HSS-Q) related to the inpatient event and to recall of symptoms with outpatient hypoglycemia. RESULTS After controlling for BG at time of index hypoglycemia (49.8±11.4 vs. 57.4±6.8mg/dl, p=0.02), symptomatic patients reported higher HSS than asymptomatic patients with the inpatient event (11.6±7.3 vs. 1.5±3.4, p<0.001) and in the outpatient setting (13.9±8.6 vs. 10.1±10.6, p<0.01). Recurrent hypoglycemia was more frequent in asymptomatic patients (13% vs. 44%, p=0.015) during the hospitalization. CONCLUSIONS Compared to symptomatic patients, asymptomatic patients had lower inpatient and outpatient HSS and more frequent recurrent hypoglycemia events. These results suggest modification of glycemic management strategies in high risk patients to reduce risk for hypoglycemia events.
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Affiliation(s)
- Kristin E Criner
- University of Pittsburgh Medical Center, United States of America
| | - Han Na Kim
- University of Pittsburgh Medical Center, United States of America
| | - Hira Ali
- University of Pittsburgh Medical Center, United States of America
| | - Smita J Kumar
- University of Pittsburgh Medical Center, United States of America
| | - Justin E Kanter
- University of Pittsburgh Medical Center, United States of America
| | - Li Wang
- University of Pittsburgh, Clinical and Translational Science Institute, United States of America
| | - Mary T Korytkowski
- University of Pittsburgh, Division of Endocrinology and Metabolism, United States of America.
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Abusamaan MS, Fesseha Voss B, Kim HN, Reyes-DeJesus D, Langan S, Niessen TM, Mathioudakis NN. Patterns and predictors of antihyperglycemic intensification at hospital discharge for type 2 diabetic patients not on home insulin. J Clin Transl Endocrinol 2020; 20:100220. [PMID: 32140422 PMCID: PMC7049656 DOI: 10.1016/j.jcte.2020.100220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 02/17/2020] [Accepted: 02/17/2020] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Diabetes mellitus is a prevalent condition among hospitalized patients and the inpatient setting presents an opportunity for providers to review and adjust antihyperglycemic medications. We sought to describe practice patterns and predictors of antihyperglycemic intensification (AHI) at hospital discharge for type 2 diabetes mellitus (T2DM) patients not on home insulin. METHODS We conducted a retrospective study of adult patients with T2DM receiving either non-insulin antihyperglycemic (NIA) or no antihyperglycemic medications prior to admission who were hospitalized within two hospitals in the Johns Hopkins Health System from December 2015 to September 2016. Mean hospital glucose values and observed vs. individualized target hemoglobin A1C values (based on risk of mortality score) were used to define an indication for AHI. Multivariable logistic regression was used to identify predictors of AHI. RESULTS A total of 554 discharges of 475 unique patients were included. An indication for AHI was present in 104 (18.8%) of discharges, and AHI occurred in 30 (28.8%) of these discharges. Higher mean admission BG values and A1C, fewer pre-admission antihyperglycemic agents, involvement of the diabetes service, and admitting service were associated with AHI, while no association was observed with age, sex, race, risk of mortality and severity of illness scores, or length of stay. AHI was not associated with 30-day readmission. CONCLUSION An indication for AHI occurs relatively infrequently among hospitalized patients, but when present, AHI occurs in approximately 1 in 3 discharges. AHI appears to be related largely to the degree of hyperglycemia, and diabetes service involvement. Further studies are needed to understand the implications of AHI at hospital discharge on short and long-term outcomes in this population.
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Affiliation(s)
- Mohammed S. Abusamaan
- Division of Endocrinology, Diabetes, & Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Betiel Fesseha Voss
- Division of Endocrinology, Diabetes, & Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Han Na Kim
- Division of Endocrinology, Diabetes, & Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Dalilah Reyes-DeJesus
- Division of Endocrinology, Diabetes, & Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Susan Langan
- Division of Endocrinology, Diabetes, & Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Timothy M. Niessen
- Division of General Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Nestoras N. Mathioudakis
- Division of Endocrinology, Diabetes, & Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD, United States
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Park YJ, Lee JH, Park BE, Kim HN, Jang SY, Bae MH, Yang DH, Park HS, Cho Y, Chae SC. P3617Systolic blood pressure, glycemic control and clinical outcome in diabetic patients with acute myocardial infarction. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Recent blood pressure guidelines recommend intensive blood pressure control in diabetic patients with cardiovascular disease.
Purpose
We sought to investigate combined impact of intensive blood glucose lowering and blood pressure control on clinical outcome in diabetic patients with acute myocardial infarction (AMI) has not been fully investigated yet.
Method
Korean Acute Myocardial Infarction Registry (KAMIR) – National Institute of Health (NIH) database included 12,179 patients (9,046 men; mean age = 63.6±12.6 year-old) who were discharged alive. Among them, 3,430 (28.2%) had a diabetes mellitus (DM). MACCEs were defined as a composition of all cause death, non-fatal MI, repeat revascularizations including repeated percutaneous coronary intervention and coronary bypass grafting, cerebrovascular accident and rehospitalizations at 1 year. This research was supported by a fund by Research of Korea Centers for Disease Control and Prevention.
Result
We determined cut-off value of discharge systolic blood pressure (SBP) to predict 1-year MACCE in DM and non-DM patients. Discharge SBP of less than 130mmHg was associated with a lower MACCE at 1 year compared to SBP level of 130mmHg or greater (10.8% versus 15.4%; log-rank p=0.001) in DM patients, whereas discharge SBP cut-off level was 140mmHg to discriminate 1-year MACCE in non-DM patients (6.4% versus 8.5%, log-rank p=0.045). In DM patients, there were no significant difference in 1-year MACCEs between patients with HbA1c less than 7% versus 7% or greater (12.0% versus 10.7%; log-rank p=0.325). DM patients were categorized into 4 groups; discharge SBP <130mmHg and HbA1c <7% (Group 1); discharge SBP <130mmHg and HbA1c ≥7% (Group 2); discharge SBP ≥130mmHg and HbA1c <7% (Group 3); discharge SBP ≥130mmHg and HbA1c ≥7% (Group 4). Intensive BP control was associated lower 1-year MACCEs in patients with good glycemic control (Group 1 & 3; 10.7% versus 16.7%; log-rank p=0.009). However, in patients with poor glycemic control, intensive BP control did not improve 1-year MACCEs (Group 2 & 4; 10.6% versus 11.1%; log-rank p=0.761).
Conclusion
Strict BP control is more important than glycemic control to improve short-term clinical outcome in DM patients with AMI. However, in patients with poor glycemic control, strict BP control did not improve clinical outcome.
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Affiliation(s)
- Y J Park
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - J H Lee
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - B E Park
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - H N Kim
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - S Y Jang
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - M H Bae
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - D H Yang
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - H S Park
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - Y Cho
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - S C Chae
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
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Park YJ, Lee JH, Park BE, Kim HN, Jang SY, Bae MH, Yang DH, Park HS, Cho Y, Chae SC. P3583Optimal procedural strategy to improve clinical outcome in primary percutaneous coronary intervention. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Current guideline recommends potent antiplatelet agents and transradial intervention. However, it is uncertain whether routine use of IVUS, thrombus aspiration and glycoprotein IIB-IIIA inhibitor is beneficial for improving clinical outcome in patients with ST-segment elevation myocardial infarction (STEMI).
Purpose
The aim of this study was to investigate optimal procedural strategy to improve clinical outcome.
Methods
A total of 6,046 patients who underwent primary percutaneous coronary intervention (PCI) for STEMI were analyzed from the Korean Acute Myocardial Infarction Registry (KAMIR) – National Institute of Health (NIH) database. MACCEs were defined as a composition of all cause death, non-fatal MI, repeat revascularizations including repeated percutaneous coronary intervention and coronary bypass grafting, cerebrovascular accident and rehospitalizations. This research was supported by a fund by Research of Korea Centers for Disease Control and Prevention.
Results
During the primary PCI, potent antiplatelet agents such as prasugrel and ticagrelor were used in 2342 (38.4%). PCI was performed through transradial approach in 1490 (25.2%). Thrombus aspiration and intravascular ultrasound (IVUS) examination was done in 2204 (36.1%) and 1079 (18.1%), respectively. Glycoprotein IIB-IIIA inhibitor was administered in 1295 (21.7%). Among them, potent antiplatelet agents, transradial intervention, IVUS, and thrombus aspiration significantly reduced MACCEs at 1 year. Glycoprotein IIB-IIIA inhibitor was not effective to improved clinical outcome. In Cox-proportional hazards model, potent antiplatelet agents (hazard ratio 0.82, 95% confidence interval 0.67–0.99; p=0.045) and transradial intervention (hazard ratio 0.61, 95% confidence interval 0.47–0.78; p<0.001) was an independent predictor of MACCEs after adjusting for confounding variables. Combined use of potent antiplatelet agents and transradial intervention (hazard ratio 0.54; 95% confidence interval 0.37–0.80; p=0.002) substantially reduced MACCEs at 1 year.
Conclusion
Among evidence based procedures during the primary PCI, combined use of potent antiplatelet agents and transradial intervention was optimal procedural strategy to improve clinical outcome.
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Affiliation(s)
- Y J Park
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - J H Lee
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - B E Park
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - H N Kim
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - S Y Jang
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - M H Bae
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - D H Yang
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - H S Park
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - Y Cho
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
| | - S C Chae
- Kyungpook National University Hospital, Daegu, Korea (Republic of)
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Jeong SJ, Kim HN. Experiences of physical complications and sequelae among living liver donors. Korean J Transplant 2019; 33:36-45. [PMID: 35769146 PMCID: PMC9186922 DOI: 10.4285/jkstn.2019.33.2.36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 05/10/2019] [Accepted: 05/16/2019] [Indexed: 11/04/2022] Open
Abstract
Background Methods Results Conclusions
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Affiliation(s)
- Sun Ju Jeong
- Department of Nursing, Suwon Women’s University, Suwon, Korea
| | - Han Na Kim
- Department of Nursing, Suwon Women’s University, Suwon, Korea
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Kim HN, Park D, Youm JS, Jang B, Kim JC. Effect of Dimethyl 1,4-Cyclohexane Dicarboxylate on Mechanical Properties and Crystallization Behavior of Polytrimethylene Terephthalate Co-Polymer. Macromol Res 2019. [DOI: 10.1007/s13233-019-7049-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Ahn E, Kim J, Moon S, Ko YH, Cho H, Park JH, Song JH, Kim HN, Jee JY, Han RY. Effect of a Crisis Intervention Team for suicide attempt patients in an emergency department in Korea. HONG KONG J EMERG ME 2019. [DOI: 10.1177/1024907918822255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: South Korea has one of the highest rates of suicide in the world, which poses an immense socioeconomic burden on the healthcare system. Objectives: We hypothesized that the implementation of a Crisis Intervention Team would lead to an improvement in completion rates of suicide prevention counseling programs. Methods: This is a retrospective before-and-after analysis, and was carried out in the emergency department in the city of Ansan, South Korea. The Crisis Intervention Team, funded by the Ministry of Health and Welfare, counsels suicide attempt patients with the ultimate goal of assuring proper administration of mental healthcare from community suicide support programs. Data on suicide attempt patients were collected using medical records. The primary outcome was defined as completion of the 8-week follow-up period for suicide attempt patients with the community suicide support programs. Results: A total of 246 patients from the pre-intervention period and 296 patients from the post-intervention period were included in the study. The completion rates of the 8-week follow-up period increased significantly after the intervention. During the pre-intervention period, 9 patients (3.7%) who were referred to the community suicide support program completed the 8 weeks of follow-up, whereas in the post-intervention period, 56 patients (18.9%) followed up for 8 weeks or more (p < 0.0001). The secondary outcome, overall linkage rates to community suicide support program, did not change significantly, with a minor increase from 46 (18.7%) to 63 (21.3%) (p = 0.45). Conclusion: The implementation of an in-hospital Crisis Intervention Team dedicated to active and assertive counseling that begins in the emergency department was correlated with significantly increased completion rates of the 8-week follow-up counseling program.
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Affiliation(s)
- Eusang Ahn
- Department of Emergency Medicine, Korea University Ansan Hospital, Ansan, South Korea
| | - Jooyeong Kim
- Department of Emergency Medicine, Korea University Ansan Hospital, Ansan, South Korea
| | - Sungwoo Moon
- Department of Emergency Medicine, Korea University Ansan Hospital, Ansan, South Korea
| | - Young-hoon Ko
- Department of Psychiatry, Korea University Ansan Hospital, Ansan, South Korea
| | - Hanjin Cho
- Department of Emergency Medicine, Korea University Ansan Hospital, Ansan, South Korea
| | - Jong-Hak Park
- Department of Emergency Medicine, Korea University Ansan Hospital, Ansan, South Korea
| | - Ju Hyun Song
- Department of Emergency Medicine, Korea University Ansan Hospital, Ansan, South Korea
| | - Han Na Kim
- Department of Emergency Medicine, Korea University Ansan Hospital, Ansan, South Korea
| | - Ju Yeon Jee
- Department of Emergency Medicine, Korea University Ansan Hospital, Ansan, South Korea
| | - Ra Young Han
- Ansan Center for Suicide Prevention, Ansan, South Korea
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Lee JH, Park BE, Park YJ, Kim HN, Kim NK, Song JH, Jang SY, Bae MH, Yang DH, Park HS, Cho Y, Chae SC, Jeong MH. P5533Impact of thrombus aspiration and Glycoprotein IIb/IIIa inhibitor between new antiplatelet agents and clopidogrel in patients undergoing primary percutaneous coronary intervention. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- J H Lee
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - B E Park
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - Y J Park
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - H N Kim
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - N K Kim
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - J H Song
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - S Y Jang
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - M H Bae
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - D H Yang
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - H S Park
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - Y Cho
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - S C Chae
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - M H Jeong
- Kyungpook National University Hospital, Daegu, Korea Republic of
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Lee JH, Pakr BE, Park YJ, Kim HN, Song JH, Kim NK, Jang SY, Bae MH, Yang DH, Park HS, Cho Y, Chae SC, Jeong MH. P5575Practice-level variation in use of optimal medical treatment during hospitalization: a multi-level methodological approach. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- J H Lee
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - B E Pakr
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - Y J Park
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - H N Kim
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - J H Song
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - N K Kim
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - S Y Jang
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - M H Bae
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - D H Yang
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - H S Park
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - Y Cho
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - S C Chae
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - M H Jeong
- Kyungpook National University Hospital, Daegu, Korea Republic of
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Lee JH, Yoon JY, Park BE, Park YJ, Kim HN, Kim NK, Jang SY, Bae MH, Yang DH, Park HS, Cho Y, Chae SC. P3576Impact of intravascular ultrasound and final kissing balloon dilatation on 10-year clinical outcome in percutaneous revascularization with 1-stent strategy for left main coronary artery stenosis. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- J H Lee
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - J Y Yoon
- Gumi Cha Hospital, Internal Medicine, Gumi, Korea Republic of
| | - B E Park
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - Y J Park
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - H N Kim
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - N K Kim
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - S Y Jang
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - M H Bae
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - D H Yang
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - H S Park
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - Y Cho
- Kyungpook National University Hospital, Daegu, Korea Republic of
| | - S C Chae
- Kyungpook National University Hospital, Daegu, Korea Republic of
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Lee JH, Jin HX, Cho S, Kim HN, Seo HJ, Shin KJ, Shin DH, Lee SD. Y chromosomal deletion pattern in Koreans inhabiting Jeju Island. Anthropol Anz 2017; 74:177-182. [PMID: 28555242 DOI: 10.1127/anthranz/2017/0669] [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: 06/01/2016] [Revised: 02/28/2017] [Accepted: 03/07/2017] [Indexed: 11/05/2022]
Abstract
ABSTRACT Mutations occur in Y chromosome genes similar to autosomal genes. However, unlike autosomal genes, Y chromosome genes do not undergo recombination, which produce distinctive characteristics and distribution patterns in different geographic regions. Therefore, detailed analysis of mutations of Y chromosome genes might provide information for personal identification or analysis of phylogenetic history. In Y-STR (short tandem repeat) analysis tests on 668 habitants of Jeju Island, the largest island in the Korean peninsula located apart from the mainland, a deletion at DYS448 was found in 10 samples. The length of deletion was estimated by confirming specific Sequence Tagged Site (STS) markers ranging from G66018 to sY1201. Patterns found were similar to those of the Kalmyks, a tribe that has had strong social and genetic influences in Jeju Island in the past. Historically from 1273 on, Jeju Island was governed by Mongolian for about one hundred years. The results of this study suggest such historical aspects affected the genetic composition of people living in Jeju Island. Furthermore, previous reports showed that Y chromosomal deletions and region specific Y chromosomal mutations depended on regional differences. This study may be useful for a better understanding of the genetic structure of Jeju habitants as well as Korean population for the purpose of forensic practice and population genetics.
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Affiliation(s)
- Ji Hyun Lee
- Department of Forensic Medicine, Seoul National University, College of Medicine, 103, Daehak-ro, Jongno-Gu, Seoul 03087, South Korea
| | - Hong Xuan Jin
- Department of Forensic Medicine, Seoul National University, College of Medicine, 103, Daehak-ro, Jongno-Gu, Seoul 03087, South Korea
| | - Sohee Cho
- Institute of Forensic Science, Seoul National University, College of Medicine, Seoul, South Korea
| | - Han Na Kim
- Department of Forensic Medicine, Seoul National University, College of Medicine, 103, Daehak-ro, Jongno-Gu, Seoul 03087, South Korea
| | - Hee Jin Seo
- Department of Forensic Medicine, Seoul National University, College of Medicine, 103, Daehak-ro, Jongno-Gu, Seoul 03087, South Korea
| | - Kyoung-Jin Shin
- Department of Forensic Medicine, Yonsei University College of Medicine, Seoul, South Korea
| | - Dong Hoon Shin
- Institute of Forensic Science, Seoul National University, College of Medicine, Seoul, South Korea.,Department of Anatomy, Seoul National University College of Medicine, Seoul, South Korea
| | - Soong Deok Lee
- Department of Forensic Medicine, Seoul National University, College of Medicine, 103, Daehak-ro, Jongno-Gu, Seoul 03087, South Korea.,Institute of Forensic Science, Seoul National University, College of Medicine, Seoul, South Korea
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16
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Lee SY, Kim YH, Cho SM, Kim GH, Kim TY, Ryu H, Kim HN, Kang HB, Hwang CY, Hwang CS. Holographic image generation with a thin-film resonance caused by chalcogenide phase-change material. Sci Rep 2017; 7:41152. [PMID: 28117346 PMCID: PMC5259724 DOI: 10.1038/srep41152] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 12/14/2016] [Indexed: 11/29/2022] Open
Abstract
The development of digital holography is anticipated for the viewing of 3D images by reconstructing both the amplitude and phase information of the object. Compared to analog holograms written by a laser interference, digital hologram technology has the potential to realize a moving 3D image using a spatial light modulator. However, to ensure a high-resolution 3D image with a large viewing angle, the hologram panel requires a near-wavelength scale pixel pitch with a sufficient large numbers of pixels. In this manuscript, we demonstrate a digital hologram panel based on a chalcogenide phase-change material (PCM) which has a pixel pitch of 1 μm and a panel size of 1.6 × 1.6 cm2. A thin film of PCM encapsulated by dielectric layers can be used for the hologram panel by means of excimer laser lithography. By tuning the thicknesses of upper and lower dielectric layers, a color-selective diffraction panel is demonstrated since a thin film resonance caused by dielectric can affect to the absorption and diffraction spectrum of the proposed hologram panel. We also show reflection color of a small active region (1 μm × 4 μm) made by ultra-thin PCM layer can be electrically changed.
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Affiliation(s)
- Seung-Yeol Lee
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Integrated plasmonics and optical device laboratory, School of Electronics Engineering, Kyungpook National University, Daegu, 41566, Korea
| | - Yong-Hae Kim
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
| | - Seong-M Cho
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
| | - Gi Heon Kim
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
| | - Tae-Youb Kim
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
| | - Hojun Ryu
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
| | - Han Na Kim
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
| | - Han Byeol Kang
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
| | - Chi-Young Hwang
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
| | - Chi-Sun Hwang
- Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea.,Smart I/O Platform Research Department, Electronics and telecommunications research institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
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17
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Park JE, Kim HN, Ryoo KS, Lee ER. Evaluation of flexible criteria for river flow management with consideration of spatio-temporal flow variation. ACTA ACUST UNITED AC 2016. [DOI: 10.3741/jkwra.2016.49.8.673] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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19
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Ji M, Hur M, Kim HN, Moon HW, Yun YM, Kim SY. Abrupt thrombocytopenia with sustained trilineage engraftment in a stem cell transplant recipient. Int J Lab Hematol 2015; 37:e106-8. [PMID: 25754932 DOI: 10.1111/ijlh.12338] [Citation(s) in RCA: 1] [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: 11/28/2022]
Affiliation(s)
- M Ji
- Department of Laboratory Medicine, Konkuk University School of Medicine, Seoul, Korea
| | - M Hur
- Department of Laboratory Medicine, Konkuk University School of Medicine, Seoul, Korea.
| | - H N Kim
- Department of Laboratory Medicine, Konkuk University School of Medicine, Seoul, Korea
| | - H-W Moon
- Department of Laboratory Medicine, Konkuk University School of Medicine, Seoul, Korea
| | - Y-M Yun
- Department of Laboratory Medicine, Konkuk University School of Medicine, Seoul, Korea
| | - S-Y Kim
- Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
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20
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Cho YS, Kim CH, Kim HN, Ha TS, Ahn HY. Ginsenoside Rg3 inhibits lipopolysaccharide-induced adhesion molecule expression in human umbilical vein endothelial cell and C57BL/6 mice. Pharmazie 2014; 69:818-822. [PMID: 25985577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Intercellular adhesion molecule 1 (ICAM-1), vascular cell adhesion molecule 1 (VCAM-1), P- and E-selectin play a key role for initiation of vascular inflammation. Ginsenoside, a class of steroid glycosides, is abundant in Panax ginseng root, which has been used for health promotion in Korea. In this study, we investigated the mechanism by which ginsenoside Rg3 may inhibit ICAM-1 and VCAM-1 expressions stimulated with lipopolysaccharide (LPS) in human umbilical vein endothelial cell (HUVEC) and C57BL/6 mice. LPS increased ICAM-1 and VCAM-1 expression. Ginsenoside Rg3 prevented LPS-mediated increase of ICAM-1 and VCAM-1 expression. LPS induced IkappaBα (IκBα) degradation within 1 hr. Ginsenoside Rg3 prevented the IκBα degradation stimulated with LPS. Moreover, ginsenoside Rg3 reduced LPS-mediated THP-1 monocyte adhesion to HUVEC, in a concentration-dependent manner. In C57BL/6 mice, injection of LPS increased aortic ICAM-1 and VCAM-1 expression, which was prevented by ginsenoside Rg3. These data provide a novel mechanism where the ginsenoside Rg3 may provide direct vascular benefits with inhibition of leukocyte adhesion into vascular wall thereby providing prevention against vascular inflammatory disease.
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Cho HJ, Kim HN, Kim KJ, Lee KS, Myung JK, Kim SK, Park SH. Intracranial extracerebral glioneuronal heterotopia with adipose tissue and a glioependymal cyst: a case report and review of the literature. Korean J Pathol 2014; 48:254-7. [PMID: 25013427 PMCID: PMC4087142 DOI: 10.4132/koreanjpathol.2014.48.3.254] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Revised: 08/26/2013] [Accepted: 08/28/2013] [Indexed: 11/17/2022]
Affiliation(s)
- Hwa Jin Cho
- Department of Pathology, Seoul National University College of Medicine, Seoul, Korea
| | - Han Na Kim
- Department of Pathology, Seoul National University College of Medicine, Seoul, Korea
| | - Kyung Ju Kim
- Department of Pathology, Seoul National University College of Medicine, Seoul, Korea
| | - Kyu Sang Lee
- Department of Pathology, Seoul National University College of Medicine, Seoul, Korea
| | - Jae Kyung Myung
- Department of Pathology, Seoul National University College of Medicine, Seoul, Korea
| | - Seung-Ki Kim
- Division of Pediatric Neurosurgery, Seoul National University College of Medicine, Seoul, Korea
| | - Sung-Hye Park
- Department of Pathology, Seoul National University College of Medicine, Seoul, Korea. ; Neuroscience Institute, Seoul National University College of Medicine, Seoul, Korea
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22
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Hsieh YT, Gang EJ, Shishido SN, Kim HN, Pham J, Khazal S, Osborne A, Esguerra ZA, Kwok E, Jang J, Bonig H, Biediger RJ, Vanderslice P, Kim YM. Effects of the small-molecule inhibitor of integrin α4, TBC3486, on pre-B-ALL cells. Leukemia 2014; 28:2101-4. [PMID: 24903479 PMCID: PMC4190402 DOI: 10.1038/leu.2014.182] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Indexed: 11/09/2022]
Affiliation(s)
- Y T Hsieh
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - E J Gang
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - S N Shishido
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - H N Kim
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - J Pham
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - S Khazal
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - A Osborne
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - Z A Esguerra
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - E Kwok
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - J Jang
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - H Bonig
- Institute for Transfusion Medicine and Immunohematology, Johann-Wolfgang-Goethe University, Frankfurt, Germany
| | - R J Biediger
- Wafic Said Molecular Cardiology Research Laboratory, Texas Heart Institute, Houston, TX, USA
| | - P Vanderslice
- Wafic Said Molecular Cardiology Research Laboratory, Texas Heart Institute, Houston, TX, USA
| | - Y M Kim
- Division of Hematology and Oncology, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
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23
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Piao JM, Shin MH, Kim HN, Song HR, Kweon SS, Choi JS, Shim HJ, Hwang JE, Bae WK, Kim SH, Choi YD, Cui LH. Replication of results of genome-wide association studies on esophageal squamous cell carcinoma susceptibility loci in a Korean population. Dis Esophagus 2013; 27:798-801. [PMID: 24152165 DOI: 10.1111/dote.12155] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Two recent genome-wide association studies have identified that the rs2274223 single-nucleotide polymorphism inphospholipase C epsilon 1 and the single-nucleotide polymorphism rs13042395 in C20orf54 are involved in esophageal squamous cell carcinoma (ESCC) in Chinese populations. We hypothesized that genetic polymorphisms of phospholipase C epsilon 1 and C20orf54 are also associated with ESCC in a Korean population. The rs2274223 and rs13042395 genotyping was performed using high-resolution melting analysis. The rs2274223 GG genotype was significantly associated with an increased risk of ESCC (odds ratio [OR]=1.86, 95% confidence interval [CI]=1.08-3.25) compared with the rs2274223 AA genotype. The rs13042395 G allele showed a significantly decreased risk of ESCC in the younger age group (OR=0.71, 95% CI=0.52-0.97) and no significant association in the older group (OR=1.19, 95% CI=0.87-1.62). We observed that the rs2274223 polymorphism was associated with an increased risk of ESCC in this Korean case-control study and that age may modify the association between the rs13042395 polymorphism and the risk of ESCC.
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Affiliation(s)
- J-M Piao
- Department of Public Health, Qingdao University Medical College, Qingdao, China
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24
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Kim HN, Kim DE, Hwang JE, Bae WK, Cho SH, Joo YE, Choi KH, Chung IJ, Shim HJ. Paradoxical cerebral embolism during endoscopic esophageal stenting in a patient with esophageal cancer. Endoscopy 2013; 44 Suppl 2 UCTN:E406-7. [PMID: 23169038 DOI: 10.1055/s-0032-1310143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- H N Kim
- Division of Hematology-Oncology, Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea
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Khang G, Lee SK, Kim HN, Silva-Correia J, Gomes ME, Viegas CAA, Dias IR, Oliveira JM, Reis RL. Biological evaluation of intervertebral disc cells in different formulations of gellan gum-based hydrogels. J Tissue Eng Regen Med 2012; 9:265-75. [PMID: 23225767 DOI: 10.1002/term.1625] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [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: 08/27/2012] [Accepted: 08/28/2012] [Indexed: 11/07/2022]
Abstract
Gellan gum (GG)-based hydrogels are advantageous in tissue engineering not only due to their ability to retain large quantities of water and provide a similar environment to that of natural extracellular matrix (ECM), but also because they can gelify in situ in seconds. Their mechanical properties can be fine-tuned to mimic natural tissues such as the nucleus pulposus (NP). This study produced different formulations of GG hydrogels by mixing varying amounts of methacrylated (GG-MA) and high-acyl gellan gums (HA-GG) for applications as acellular and cellular NP substitutes. The hydrogels were physicochemically characterized by dynamic mechanical analysis. Degradation and swelling abilities were assessed by soaking in a phosphate buffered saline solution for up to 170 h. Results showed that as HA-GG content increased, the modulus of the hydrogels decreased. Moreover, increases in HA-GG content induced greater weight loss in the GG-MA/HA-GG formulation compared to GG-MA hydrogel. Potential cytotoxicity of the hydrogel was assessed by culturing rabbit NP cells up to 7 days. An MTS assay was performed by seeding rabbit NP cells onto the surface of 3D hydrogel disc formulations. Viability of rabbit NP cells encapsulated within the different hydrogel formulations was also evaluated by Calcein-AM and ATP assays. Results showed that tunable GG-MA/HA-GG hydrogels were non-cytotoxic and supported viability of rabbit NP cells.
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Affiliation(s)
- G Khang
- Chonbuk National University, Department of Polymer-Nano Science and Technology, Jeonju, Korea; Chonbuk National University, Department of BIN Fusion Technology, Jeonju, Korea
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Kim EJ, Park JM, Kim WH, Lee KL, Kim HN, Lee KE, Park JJ, Ahn KO. A Learning Set Up for Detecting Minimally Conscious State (MCS). Ann Rehabil Med 2012; 36:428-31. [PMID: 22837983 PMCID: PMC3400887 DOI: 10.5535/arm.2012.36.3.428] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2011] [Accepted: 09/29/2011] [Indexed: 12/02/2022] Open
Abstract
Detecting signs of learning in persons diagnosed to be in a post-coma vegetative state and minimally conscious state (MCS) may modify their diagnosis. We report the case of a 65-year-old female in a vegetative state. We used microswitch-based technology that is based on patient response to eye-blinking. We followed an ABABCB design, in which A represented baseline periods, B intervention periods with stimuli contingent on the responses, and C a control condition with stimuli presented non-contingently. We observed the level of response during the B phases was higher than the level of A and C phases. This indicated the patient showed signs of learning. This state was confirmed by an evaluation through the Coma Recovery Scale-Revised (CRSR) score, and after completion of this study her CRSR score changed from 4 to 10. We believe microswitch technology may be useful to make a diagnosis of MCS and offer new opportunities for education to MCS patients.
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Affiliation(s)
- Eun Joo Kim
- Department of Rehabilitation Medicine, National Rehabilitation Hospital, Seoul 141-070, Korea
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Ji YS, Kim HN, Park HJ, Lee JE, Yeo SY, Yang JS, Park SY, Yoon HS, Cho GS, Franz CMAP, Bomba A, Shin HK, Holzapfel WH. Modulation of the murine microbiome with a concomitant anti-obesity effect by Lactobacillus rhamnosus GG and Lactobacillus sakei NR28. Benef Microbes 2012; 3:13-22. [PMID: 22348905 DOI: 10.3920/bm2011.0046] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The microbiota of the gastrointestinal tract (GIT) constitutes the major part of the total human microbiome and is considered to be an important regulator of human health and host metabolism. Numerous investigations in recent years have focused on the connection between the human microbiota and metabolic diseases such as obesity, type II diabetes and atherosclerosis. Yet, little is known about the impact of probiotic consumption on the GIT microbial population and the potential effect on chronic diseases. In this study, the modulation of the microbial community in the murine small intestine resulting from probiotic feeding was investigated and was found to be associated with an anti-obesity effect. Changes in the microbiota of the mouse faeces and small intestine were monitored using quantitative real-time PCR and by following the mRNA expression levels of various obesity-related biomarkers following probiotic feeding in a mouse model. Lactobacillus rhamnosus GG and Lactobacillus sakei NR28 (a putative probiotic strain isolated from kimchi) were administered at a daily level of approximately 1×10(8) viable bacteria per mouse (C57BL/6J mice) for up to three weeks. Feeding these strains resulted in a significant reduction of epididymal fat mass, as well as obesity-related biomarkers like acetyl-CoA carboxylase, fatty acid synthase, and stearoyl-CoA desaturase-1 in the liver. The total number and ratio of the microbial groups, i.e. Firmicutes, Bacteroidetes, Clostridium cluster I and XIVab, and Lactobacillus spp. were modulated in the small intestine, and the Firmicutes:Bacteroidetes ratio was decreased. In contrast, no noticeable effect of probiotic feeding could be detected on the faecal microbiota, neither quantitatively, nor with regard to the bacterial groups (Firmicutes, Bacteroidetes, Clostridium cluster I and XIVab, and Lactobacillus spp.) studied.
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Affiliation(s)
- Y S Ji
- School of Life Science, Handong Global University, Pohang, Gyungbuk, Republic of Korea
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Nguyen DH, Kim HN, Lee DS. Transparent nanocomposites of high refractive index based on epoxy resin and TiO2 nanoparticle. J Nanosci Nanotechnol 2012; 12:4207-4210. [PMID: 22852374 DOI: 10.1166/jnn.2012.5928] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A stepwise sol-gel method for the synthesis of stable colloidal TiO2 using hydrolysis and condensation reactions of titanium tetraisopropoxide (TTP) was investigated. The surface modification was carried out using 3-glycidoxypropyltrimethoxysilane (GPTMS). The particle size range of the modified TiO2 observed by TEM was 3-8 nm. The nanocomposites based on an epoxy resin and the modified TiO2 showed strong UV absorption, but maintained high transmittance within the visible region. TEM images of the nanocomposites confirmed the homogenous and fine dispersion of the TiO2 nanoparticles in the epoxy resin. The refractive index of the nanocomposites increased linearly with increasing TiO2 content. With 60% TiO2 by weight, the transmittance and refractive index of the nanocomposite were 98.4% and 1.657, respectively.
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Affiliation(s)
- Dinh Huong Nguyen
- School of Semiconductor and Chemical Engineering, Chonbuk National University, Jeonju, 561-756, Republic of Korea
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Lee EJ, Kim KJ, Kim HN, Bok J, Jung SC, Kim EK, Lee JY, Kim HL. Genome-wide scan of granular corneal dystrophy, type II: confirmation of chromosome 5q31 and identification of new co-segregated loci on chromosome 3q26.3. Exp Mol Med 2011; 43:393-400. [PMID: 21628991 DOI: 10.3858/emm.2011.43.7.043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Granular corneal dystrophy, type II (CGD2; Avellino corneal dystrophy) is the most common corneal dystrophy among Koreans, but its pathophysiology is still poorly understood. Many reports showed that even though the causative mutation is the same TGFBI R124H mutation, there are severe and mild phenotypes of the corneal dystrophy. We also observed the phenotype differences in our samples. For this reason, we focused our effort on the identification of unknown genetic factor related to phenotype variation. A total 551 individuals from 59 families were genotyped with SNP chip and used in genome-wide linkage analysis. From single-point linkage analyses, we confirmed the known 5q31 region for TGFBI gene, and selected novel nine candidate loci for CGD2. In simulation analysis, the only 3q26.3 region including neuroligin 1 gene (NLGN1) was supported by empirical statistic significance. To investigate the effect of genetic heterogeneity in linkage analysis, we classified CGD2 families into two subgroups. Although we could not find a significant evidence for correlation between the 3q26.3 region and CGD2 phenotypes, this first genome-wide analysis with CGD2 families in Korea has a very important value for offering insights in genetics of CGD2. In addition, the co-segregating loci with CGD2 including 3q26.3 would be a good target for further study to understand the pathophysiology of CGD2.
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Affiliation(s)
- Eun Ju Lee
- Department of Biochemistry School of Medicine Ewha Womans University Seoul, Korea
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Piao JM, Kim HN, Song HR, Kweon SS, Choi JS, Yoon JY, Chung IJ, Kim SH, Shin MH. p53 codon 72 polymorphism and the risk of esophageal cancer: a Korean case-control study. Dis Esophagus 2011; 24:596-600. [PMID: 21595775 DOI: 10.1111/j.1442-2050.2011.01203.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The aim of this study was to assess whether p53 codon 72 polymorphism is associated with an increased risk of esophageal cancer (EC) in South Korea. We conducted a case-control study including 340 patients with EC, and 1700 controls. P53 codon 72 polymorphism was determined by real-time polymerase chain reaction. The frequencies of p53 codon 72 polymorphisms (Arg/Arg, Arg/Pro, and Pro/Pro) in EC were 39.4%, 45.6%, and 15.0%, respectively; frequencies in the controls were 43.2%, 45.6%, and 11.2%, respectively. Compared with the Arg/Arg genotype, the OR of the Arg/Pro genotype was 1.09 (95% CI = 0.85-1.41) and that of the Pro/Pro genotype was 1.47 (95% CI = 1.02-2.11) for EC overall. When adjusted by age, gender, and smoking status, the OR of the Arg/Pro genotype was 1.24 (95% CI = 0.92-1.67) and that of the Pro/Pro genotype was 1.77 (95% CI = 1.15-2.74) for EC overall. In never-smokers and ever-smokers, the OR of the Arg/Pro genotype was 0.59 (95% CI = 0.37-0.95) and 1.39 (95% CI = 1.00-1.91), respectively, and there was a significant difference in the homogeneity test (P= 0.011). We observed that the p53 codon 72 polymorphism was associated with an increased risk of EC in this Korean case-control study, and smoking status modified the association between the p53 codon 72 polymorphism and the risk of EC.
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Affiliation(s)
- J-M Piao
- Department of Preventive Medicine,Yanbian University College of Medicine, Yanji, Jilin Province, China
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Pham CH, Park KS, Kim BC, Kim HN, Gu MB. Construction and characterization of Japanese medaka (Oryzias latipes) hepatic cDNA library and its implementation to biomarker screening in aquatic toxicology. Aquat Toxicol 2011; 105:569-575. [PMID: 21937010 DOI: 10.1016/j.aquatox.2011.08.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2011] [Revised: 08/18/2011] [Accepted: 08/23/2011] [Indexed: 05/31/2023]
Abstract
To strengthen the toxicogenomic study, we constructed a library of hepatic cDNA from Japanese medaka under influence of specific chemical mediated stress responses. Gene expression profile analysis of the cDNA microarrays followed by real time RT-PCR assay were conducted to screen particular biomarkers for 17-beta estradiol (E2), nonylphenol (NP) and 2-chlorophenol (2CP). Information of 1509 high-quality ESTs including 260 new ESTs was added onto GenBank and dbEST. The ESTs were clustered and assembled into 159 contigs and 372 singletons. Among them, 128 contigs and 163 singletons (54.8%) were functionally characterized and 13 UniESTs (2.5%) were hypothetical proteins. Ontology analysis resulting in 282 UniESTs which involved with 2102 GOs and 93 sequences associated with 116 enzyme codes. For each test chemical, two specific biomarkers were selected from the gene expression profiling of microarrays. The expression patterns of the marker genes in real time PCR analysis were consistent with the regulated gene expression patterns in microarrays. The tentative biomarkers showed unique gene expression patterns depending on chemical concentration(s) and exposure duration in real time RT-PCR analysis. The analysis accomplished of the hepatic cDNA library and its information added to genetic and genomic resources could be sufficiently valuable specifically for aquatic toxicity studies.
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Affiliation(s)
- Chi Hoa Pham
- College of Life Sciences and Biotechnology, Korea University, Seoul 136-701, Republic of Korea
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Lem KW, Nguyen DH, Kim HN, Lee DS. Preparation and characterization of the transparent hybrids of silicone epoxy resin and titanium dioxide nanoparticles via sol-gel reactions. J Nanosci Nanotechnol 2011; 11:7202-7205. [PMID: 22103157 DOI: 10.1166/jnn.2011.4811] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
In order to prepare transparent hybrid films of high refractive index, nanoparticles of TiO2 were prepared and dispersed in a silicone epoxy (SE) resin synthesized from diphenyl silane diol and [2-(3,4-epoxycyclohexyl)ethyl] trimethoxysilane by sol-gel reactions. It was found that amorphous TiO2 nanoparticles of about 5 nm modified with hexahydro-4-methyl phthalic anhydride [HMPA] were dispersed in the SE resin without agglomerations. The refractive index of the hybrids increased linearly with increasing the TiO2 contents. The hybrid containing 30 wt% of the TiO2 particles showed light transmittance of 94% at 450 nm and refractive index of 1.63. The fine dispersion of the TiO2 nanoparticles was attributable to the sol-gel reactions between the SE resin and TiO2 nanoparticles and the modification of the TiO2 particles with HMPA.
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Affiliation(s)
- Kwok Wai Lem
- Department of Materials Chemistry and Engineering, Konkuk University, Seoul 143-701, Korea
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Kim KM, Brown JK, Kim KJ, Choi HS, Kim HN, Rhee Y, Lim SK. Differences in femoral neck geometry associated with age and ethnicity. Osteoporos Int 2011; 22:2165-74. [PMID: 20976592 DOI: 10.1007/s00198-010-1459-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2010] [Accepted: 08/31/2010] [Indexed: 11/27/2022]
Abstract
SUMMARY We studied femoral geometry in relation to age and ethnicity in a cross-sectional study. Age-associated cortical thinning showed the most pronounced effect, and Koreans studied here had thicker cortices and lower buckling ratios than those reported for other races. Cortical thickness may thus be a major determinant of hip fracture risk. INTRODUCTION The rate of hip fracture varies by age and ethnicity. The geometric properties of the femur influence femoral strength and fragility, but differences in femoral geometry according to age and ethnicity are poorly understood. To explain the high prevalence of hip fractures in the elderly and the relatively low hip fracture rate in Asian populations, we studied age-related changes and ethnic differences in femoral geometry. METHODS We recruited 214 peri- or postmenopausal women aged 46 to 85 years (mean age, 60.6 years). Their proximal femoral bone mineral densities (BMD) were measured by quantitative computed tomography and further analyzed geometric properties. RESULTS We observed large declines in trabecular volumetric bone mineral density associated with aging (33.03% less than the reference value in the oldest group, respectively). Cortical thickness decreased remarkably with age as well, and only 53.94% of the baseline value remained in the oldest group. As a result, the cortical buckling ratio increased geometrically and reached 239.14% of the reference value in the oldest group. In comparisons with other ethnic groups, Korean subjects had thicker cortices than their American, European, and African counterparts. CONCLUSIONS In this cross-sectional study, cortical thickness showed a pronounced age-associated decrease, and the cortical buckling ratio showed a strong age-associated increase. This may in part explain the higher rates of hip fractures in the elderly. When compared with other races, Asians had thicker cortical bone and lower buckling ratios, which may partially explain the lower prevalence of hip fractures in Asians.
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Affiliation(s)
- K M Kim
- Division of Endocrinology, Department of Internal Medicine, and Institute of Endocrine Research, Yonsei University College of Medicine, 250 Seongsan-ro, Seodaemun-gu, Seoul, 120-752, South Korea
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Aamodt K, Abrahantes Quintana A, Adamová D, Adare AM, Aggarwal MM, Aglieri Rinella G, Agocs AG, Aguilar Salazar S, Ahammed Z, Ahmad N, Ahmad Masoodi A, Ahn SU, Akindinov A, Aleksandrov D, Alessandro B, Alfaro Molina R, Alici A, Alkin A, Almaráz Aviña E, Alt T, Altini V, Altinpinar S, Altsybeev I, Andrei C, Andronic A, Anguelov V, Anson C, Antičić T, Antinori F, Antonioli P, Aphecetche L, Appelshäuser H, Arbor N, Arcelli S, Arend A, Armesto N, Arnaldi R, Aronsson T, Arsene IC, Asryan A, Augustinus A, Averbeck R, Awes TC, Aystö J, Azmi MD, Bach M, Badalà A, Baek YW, Bagnasco S, Bailhache R, Bala R, Baldini Ferroli R, Baldisseri A, Baldit A, Bán J, Barbera R, Barile F, Barnaföldi GG, Barnby LS, Barret V, Bartke J, Basile M, Bastid N, Bathen B, Batigne G, Batyunya B, Baumann C, Bearden IG, Beck H, Belikov I, Bellini F, Bellwied R, Belmont-Moreno E, Beole S, Berceanu I, Bercuci A, Berdermann E, Berdnikov Y, Betev L, Bhasin A, Bhati AK, Bianchi L, Bianchi N, Bianchin C, Bielčík J, Bielčíková J, Bilandzic A, Biolcati E, Blanc A, Blanco F, Blanco F, Blau D, Blume C, Boccioli M, Bock N, Bogdanov A, Bøggild H, Bogolyubsky M, Boldizsár L, Bombara M, Bombonati C, Book J, Borel H, Bortolin C, Bose S, Bossú F, Botje M, Böttger S, Boyer B, Braun-Munzinger P, Bravina L, Bregant M, Breitner T, Broz M, Brun R, Bruna E, Bruno GE, Budnikov D, Buesching H, Busch O, Buthelezi Z, Caffarri D, Cai X, Caines H, Calvo Villar E, Camerini P, Canoa Roman V, Cara Romeo G, Carena F, Carena W, Carminati F, Casanova Díaz A, Caselle M, Castillo Castellanos J, Catanescu V, Cavicchioli C, Cerello P, Chang B, Chapeland S, Charvet JL, Chattopadhyay S, Chattopadhyay S, Cherney M, Cheshkov C, Cheynis B, Chiavassa E, Chibante Barroso V, Chinellato DD, Chochula P, Chojnacki M, Christakoglou P, Christensen CH, Christiansen P, Chujo T, Cicalo C, Cifarelli L, Cindolo F, Cleymans J, Coccetti F, Coffin JP, Coli S, Conesa Balbastre G, Conesa Del Valle Z, Constantin P, Contin G, Contreras JG, Cormier TM, Corrales Morales Y, Cortés Maldonado I, Cortese P, Cosentino MR, Costa F, Cotallo ME, Crescio E, Crochet P, Cuautle E, Cunqueiro L, Erasmo GD, Dainese A, Dalsgaard HH, Danu A, Das D, Das I, Dash A, Dash S, De S, De Azevedo Moregula A, de Barros GOV, De Caro A, de Cataldo G, de Cuveland J, De Falco A, De Gruttola D, De Marco N, De Pasquale S, De Remigis R, de Rooij R, Delagrange H, Delgado Mercado Y, Dellacasa G, Deloff A, Demanov V, Dénes E, Deppman A, Di Bari D, Di Giglio C, Di Liberto S, Di Mauro A, Di Nezza P, Dietel T, Divià R, Djuvsland Ø, Dobrin A, Dobrowolski T, Domínguez I, Dönigus B, Dordic O, Driga O, Dubey AK, Ducroux L, Dupieux P, Dutta Majumdar AK, Dutta Majumdar MR, Elia D, Emschermann D, Engel H, Erdal HA, Espagnon B, Estienne M, Esumi S, Evans D, Evrard S, Eyyubova G, Fabjan CW, Fabris D, Faivre J, Falchieri D, Fantoni A, Fasel M, Fearick R, Fedunov A, Fehlker D, Fekete V, Felea D, Feofilov G, Fernández Téllez A, Ferretti A, Ferretti R, Figueredo MAS, Filchagin S, Fini R, Finogeev D, Fionda FM, Fiore EM, Floris M, Foertsch S, Foka P, Fokin S, Fragiacomo E, Fragkiadakis M, Frankenfeld U, Fuchs U, Furano F, Furget C, Fusco Girard M, Gaardhøje JJ, Gadrat S, Gagliardi M, Gago A, Gallio M, Ganoti P, Garabatos C, Gemme R, Gerhard J, Germain M, Geuna C, Gheata A, Gheata M, Ghidini B, Ghosh P, Girard MR, Giraudo G, Giubellino P, Gladysz-Dziadus E, Glässel P, Gomez R, González-Trueba LH, González-Zamora P, González Santos H, Gorbunov S, Gotovac S, Grabski V, Grajcarek R, Grelli A, Grigoras A, Grigoras C, Grigoriev V, Grigoryan A, Grigoryan S, Grinyov B, Grion N, Gros P, Grosse-Oetringhaus JF, Grossiord JY, Grosso R, Guber F, Guernane R, Guerra Gutierrez C, Guerzoni B, Gulbrandsen K, Gulkanyan H, Gunji T, Gupta A, Gupta R, Gutbrod H, Haaland Ø, Hadjidakis C, Haiduc M, Hamagaki H, Hamar G, Harris JW, Hartig M, Hasch D, Hasegan D, Hatzifotiadou D, Hayrapetyan A, Heide M, Heinz M, Helstrup H, Herghelegiu A, Hernández C, Herrera Corral G, Herrmann N, Hetland KF, Hicks B, Hille PT, Hippolyte B, Horaguchi T, Hori Y, Hristov P, Hřivnáčová I, Huang M, Huber S, Humanic TJ, Hwang DS, Ichou R, Ilkaev R, Ilkiv I, Inaba M, Incani E, Innocenti GM, Innocenti PG, Ippolitov M, Irfan M, Ivan C, Ivanov A, Ivanov M, Ivanov V, Jachołkowski A, Jacobs PM, Jancurová L, Jangal S, Janik R, Jayarathna SP, Jena S, Jirden L, Jones GT, Jones PG, Jovanović P, Jung H, Jung W, Jusko A, Kalcher S, Kaliňák P, Kalisky M, Kalliokoski T, Kalweit A, Kamermans R, Kanaki K, Kang E, Kang JH, Kaplin V, Karavichev O, Karavicheva T, Karpechev E, Kazantsev A, Kebschull U, Keidel R, Khan MM, Khanzadeev A, Kharlov Y, Kileng B, Kim DJ, Kim DS, Kim DW, Kim HN, Kim JH, Kim JS, Kim M, Kim M, Kim S, Kim SH, Kirsch S, Kisel I, Kiselev S, Kisiel A, Klay JL, Klein J, Klein-Bösing C, Kliemant M, Klovning A, Kluge A, Knichel ML, Koch K, Köhler MK, Kolevatov R, Kolojvari A, Kondratiev V, Kondratyeva N, Konevskih A, Kornaś E, Kottachchi Kankanamge Don C, Kour R, Kowalski M, Kox S, Koyithatta Meethaleveedu G, Kozlov K, Kral J, Králik I, Kramer F, Kraus I, Krawutschke T, Kretz M, Krivda M, Krumbhorn D, Krus M, Kryshen E, Krzewicki M, Kucheriaev Y, Kuhn C, Kuijer PG, Kurashvili P, Kurepin A, Kurepin AB, Kuryakin A, Kushpil S, Kushpil V, Kweon MJ, Kwon Y, La Rocca P, Ladrón de Guevara P, Lafage V, Lara C, Larsen DT, Lazzeroni C, Le Bornec Y, Lea R, Lee KS, Lee SC, Lefèvre F, Lehnert J, Leistam L, Lenhardt M, Lenti V, León Monzón I, León Vargas H, Lévai P, Li X, Lietava R, Lindal S, Lindenstruth V, Lippmann C, Lisa MA, Liu L, Loggins VR, Loginov V, Lohn S, Lohner D, Loizides C, Lopez X, López Noriega M, López Torres E, Løvhøiden G, Lu XG, Luettig P, Lunardon M, Luparello G, Luquin L, Luzzi C, Ma K, Ma R, Madagodahettige-Don DM, Maevskaya A, Mager M, Mahapatra DP, Maire A, Malaev M, Maldonado Cervantes I, Mal'Kevich D, Malzacher P, Mamonov A, Manceau L, Mangotra L, Manko V, Manso F, Manzari V, Mao Y, Mareš J, Margagliotti GV, Margotti A, Marín A, Martashvili I, Martinengo P, Martínez MI, Martínez Davalos A, Martínez García G, Martynov Y, Mas A, Masciocchi S, Masera M, Masoni A, Massacrier L, Mastromarco M, Mastroserio A, Matthews ZL, Matyja A, Mayani D, Mazza G, Mazzoni MA, Meddi F, Menchaca-Rocha A, Mendez Lorenzo P, Mercado Pérez J, Mereu P, Miake Y, Midori J, Milano L, Milosevic J, Mischke A, Miśkowiec D, Mitu C, Mlynarz J, Mohanty B, Molnar L, Montaño Zetina L, Monteno M, Montes E, Morando M, Moreira De Godoy DA, Moretto S, Morsch A, Muccifora V, Mudnic E, Müller H, Muhuri S, Munhoz MG, Munoz J, Musa L, Musso A, Nandi BK, Nania R, Nappi E, Nattrass C, Navach F, Navin S, Nayak TK, Nazarenko S, Nazarov G, Nedosekin A, Nendaz F, Newby J, Nicassio M, Nielsen BS, Nikolaev S, Nikolic V, Nikulin S, Nikulin V, Nilsen BS, Nilsson MS, Noferini F, Nooren G, Novitzky N, Nyanin A, Nyatha A, Nygaard C, Nystrand J, Obayashi H, Ochirov A, Oeschler H, Oh SK, Oleniacz J, Oppedisano C, Ortiz Velasquez A, Ortona G, Oskarsson A, Ostrowski P, Otterlund I, Otwinowski J, Øvrebekk G, Oyama K, Ozawa K, Pachmayer Y, Pachr M, Padilla F, Pagano P, Paić G, Painke F, Pajares C, Pal S, Pal SK, Palaha A, Palmeri A, Pappalardo GS, Park WJ, Paticchio V, Pavlinov A, Pawlak T, Peitzmann T, Peresunko D, Pérez Lara CE, Perini D, Perrino D, Peryt W, Pesci A, Peskov V, Pestov Y, Peters AJ, Petráček V, Petris M, Petrov P, Petrovici M, Petta C, Piano S, Piccotti A, Pikna M, Pillot P, Pinazza O, Pinsky L, Pitz N, Piuz F, Piyarathna DB, Platt R, Płoskoń M, Pluta J, Pocheptsov T, Pochybova S, Podesta-Lerma PLM, Poghosyan MG, Polák K, Polichtchouk B, Pop A, Pospíšil V, Potukuchi B, Prasad SK, Preghenella R, Prino F, Pruneau CA, Pshenichnov I, Puddu G, Pulvirenti A, Punin V, Putiš M, Putschke J, Quercigh E, Qvigstad H, Rachevski A, Rademakers A, Rademakers O, Radomski S, Räihä TS, Rak J, Rakotozafindrabe A, Ramello L, Ramírez Reyes A, Rammler M, Raniwala R, Raniwala S, Räsänen SS, Read KF, Real JS, Redlich K, Renfordt R, Reolon AR, Reshetin A, Rettig F, Revol JP, Reygers K, 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Vikhlyantsev O, Vilakazi Z, Villalobos Baillie O, Vinogradov A, Vinogradov L, Vinogradov Y, Virgili T, Viyogi YP, Vodopyanov A, Voloshin K, Voloshin S, Volpe G, von Haller B, Vranic D, Vrláková J, Vulpescu B, Wagner B, Wagner V, Wan R, Wang D, Wang Y, Wang Y, Watanabe K, Wessels JP, Westerhoff U, Wiechula J, Wikne J, Wilde M, Wilk A, Wilk G, Williams MCS, Windelband B, Yang H, Yasnopolskiy S, Yi J, Yin Z, Yokoyama H, Yoo IK, Yuan X, Yushmanov I, Zabrodin E, Zampolli C, Zaporozhets S, Zarochentsev A, Závada P, Zbroszczyk H, Zelnicek P, Zenin A, Zgura I, Zhalov M, Zhang X, Zhou D, Zhu X, Zichichi A, Zinovjev G, Zoccarato Y, Zynovyev M. Centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at sqrt[s(NN)] = 2.76 TeV. Phys Rev Lett 2011; 106:032301. [PMID: 21405267 DOI: 10.1103/physrevlett.106.032301] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2010] [Indexed: 05/30/2023]
Abstract
The centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at sqrt[s_{NN}]=2.76 TeV is presented. The charged-particle density normalized per participating nucleon pair increases by about a factor of 2 from peripheral (70%-80%) to central (0%-5%) collisions. The centrality dependence is found to be similar to that observed at lower collision energies. The data are compared with models based on different mechanisms for particle production in nuclear collisions.
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Affiliation(s)
- K Aamodt
- Department of Physics and Technology, University of Bergen, Bergen, Norway
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Aamodt K, Abelev B, Quintana AA, Adamová D, Adare AM, Aggarwal MM, Rinella GA, Agocs AG, Salazar SA, Ahammed Z, Masoodi AA, Ahmad N, Ahn SU, Akindinov A, Aleksandrov D, Alessandro B, Molina RA, Alici A, Alkin A, Aviña EA, Alt T, Altini V, Altinpinar S, Altsybeev I, Andrei C, Andronic A, Anguelov V, Anson C, Antičić T, Antinori F, Antonioli P, Aphecetche L, Appelshäuser H, Arbor N, Arcelli S, Arend A, Armesto N, Arnaldi R, Aronsson T, Arsene IC, Asryan A, Augustinus A, Averbeck R, Awes TC, Aystö J, Azmi MD, Bach M, Badalà A, Baek YW, Bagnasco S, Bailhache R, Bala R, Ferroli RB, Baldisseri A, Baldit A, Pedrosa FBDS, Bán J, Barbera R, Barile F, Barnaföldi GG, Barnby LS, Barret V, Bartke J, Basile M, Bastid N, Bathen B, Batigne G, Batyunya B, Baumann C, Bearden IG, Beck H, Belikov I, Bellini F, Bellwied R, Belmont-Moreno E, Beole S, Berceanu I, Bercuci A, Berdermann E, Berdnikov Y, Bergmann C, Betev L, Bhasin A, Bhati AK, Bianchi L, Bianchi N, Bianchin C, Bielčík J, Bielčíková J, Bilandzic 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Revol JP, Reygers K, Ricaud H, Riccati L, Ricci RA, Richter M, Riedler P, Riegler W, Riggi F, Cahuantzi MR, Rohr D, Röhrich D, Romita R, Ronchetti F, Rosinský P, Rosnet P, Rossegger S, Rossi A, Roukoutakis F, Rousseau S, Roy C, Roy P, Montero AJR, Rui R, Rivetti A, Rusanov I, Ryabinkin E, Rybicki A, Sadovsky S, Safařík K, Sahoo R, Sahu PK, Saini J, Saiz P, Sakai S, Sakata D, Salgado CA, Samanta T, Sambyal S, Samsonov V, Castro XS, Sándor L, Sandoval A, Sano M, Sano S, Santo R, Santoro R, Sarkamo J, Saturnini P, Scapparone E, Scarlassara F, Scharenberg RP, Schiaua C, Schicker R, Schmidt C, Schmidt HR, Schreiner S, Schuchmann S, Schukraft J, Schutz Y, Schwarz K, Schweda K, Scioli G, Scomparin E, Scott PA, Scott R, Segato G, Selyuzhenkov I, Senyukov S, Seo J, Serci S, Serradilla E, Sevcenco A, Sgura I, Shabratova G, Shahoyan R, Sharma N, Sharma S, Shigaki K, Shimomura M, Shtejer K, Sibiriak Y, Siciliano M, Sicking E, Siemiarczuk T, Silenzi A, Silvermyr D, Simonetti G, Singaraju R, Singh R, Singhal V, Sinha BC, Sinha T, Sitar B, Sitta M, Skaali TB, Skjerdal K, Smakal R, Smirnov N, Snellings R, Søgaard C, Soloviev A, Soltz R, Son H, Song J, Song M, Soos C, Soramel F, Spyropoulou-Stassinaki M, Srivastava BK, Stachel J, Stan I, Stefanek G, Stefanini G, Steinbeck T, Steinpreis M, Stenlund E, Steyn G, Stocco D, Stock R, Stokkevag CH, Stolpovskiy M, Strmen P, Suaide AAP, Vásquez MAS, Sugitate T, Suire C, Sukhorukov M, Sumbera M, Susa T, Swoboda D, Symons TJM, de Toledo AS, Szarka I, Szostak A, Tagridis C, Takahashi J, Takaki JDT, Tauro A, Tavlet M, Muñoz GT, Telesca A, Terrevoli C, Thäder J, Thomas D, Thomas JH, Tieulent R, Timmins AR, Tlusty D, Toia A, Torii H, Toscano L, Tosello F, Traczyk T, Truesdale D, Trzaska WH, Tsuji T, Tumkin A, Turrisi R, Turvey AJ, Tveter TS, Ulery J, Ullaland K, Uras A, Urbán J, Urciuoli GM, Usai GL, Vacchi A, Vajzer M, Vala M, Palomo LV, Vallero S, van der Kolk N, van Leeuwen M, Vande Vyvre P, Vannucci L, Vargas A, Varma R, Vasileiou M, Vasiliev A, Vechernin V, Veldhoen M, Venaruzzo M, Vercellin E, Vergara S, Vernekohl DC, Vernet R, Verweij M, Vickovic L, Viesti G, Vikhlyantsev O, Vilakazi Z, Baillie OV, Vinogradov A, Vinogradov L, Vinogradov Y, Virgili T, Viyogi YP, Vodopyanov A, Voloshin K, Voloshin S, Volpe G, von Haller B, Vranic D, Øvrebekk G, Vrláková J, Vulpescu B, Vyushin A, Wagner B, Wagner V, Wan R, Wang D, Wang Y, Wang Y, Watanabe K, Wessels JP, Westerhoff U, Wiechula J, Wikne J, Wilde M, Wilk A, Wilk G, Williams MCS, Windelband B, Karampatsos LX, Yang H, Yang S, Yasnopolskiy S, Yi J, Yin Z, Yokoyama H, Yoo IK, Yu W, Yuan X, Yushmanov I, Zabrodin E, Zach C, Zampolli C, Zaporozhets S, Zarochentsev A, Závada P, Zaviyalov N, Zbroszczyk H, Zelnicek P, Zenin A, Zgura I, Zhalov M, Zhang X, Zhou D, Zichichi A, Zinovjev G, Zoccarato Y, Zynovyev M. Elliptic flow of charged particles in Pb-Pb collisions at sqrt[S(NN)] = 2.76 TeV. Phys Rev Lett 2010; 105:252302. [PMID: 21231580 DOI: 10.1103/physrevlett.105.252302] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2010] [Indexed: 05/30/2023]
Abstract
We report the first measurement of charged particle elliptic flow in Pb-Pb collisions at sqrt[S(NN)] =2.76 TeV with the ALICE detector at the CERN Large Hadron Collider. The measurement is performed in the central pseudorapidity region (|η|<0.8) and transverse momentum range 0.2<p t<5.0 GeV/c. The elliptic flow signal v₂, measured using the 4-particle correlation method, averaged over transverse momentum and pseudorapidity is 0.087 ± 0.002(stat) ± 0.003(syst) in the 40%-50% centrality class. The differential elliptic flow v₂ p t reaches a maximum of 0.2 near p t =3 GeV/c. Compared to RHIC Au-Au collisions at sqrt[S(NN)] 200 GeV, the elliptic flow increases by about 30%. Some hydrodynamic model predictions which include viscous corrections are in agreement with the observed increase.
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Affiliation(s)
- K Aamodt
- Department of Physics and Technology, University of Bergen, Bergen, Norway
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Aamodt K, Abelev B, Quintana AA, Adamová D, Adare AM, Aggarwal MM, Rinella GA, Agocs AG, Salazar SA, Ahammed Z, Masoodi AA, Ahmad N, Ahn SU, Akindinov A, Aleksandrov D, Alessandro B, Molina RA, Alici A, Alkin A, Aviña EA, Alt T, Altini V, Altinpinar S, Altsybeev I, Andrei C, Andronic A, Anguelov V, Anson C, Antičić T, Antinori F, Antonioli P, Aphecetche L, Appelshäuser H, Arbor N, Arcelli S, Arend A, Armesto N, Arnaldi R, Aronsson T, Arsene IC, Asryan A, Augustinus A, Averbeck R, Awes TC, Aystö J, Azmi MD, Bach M, Badalà A, Baek YW, Bagnasco S, Bailhache R, Bala R, Ferroli RB, Baldisseri A, Baldit A, Pedrosa FBDS, Bán J, Barbera R, Barile F, Barnaföldi GG, Barnby LS, Barret V, Bartke J, Basile M, Bastid N, Bathen B, Batigne G, Batyunya B, Baumann C, Bearden IG, Beck H, Belikov I, Bellini F, Bellwied R, Belmont-Moreno E, Beole S, Berceanu I, Bercuci A, Berdermann E, Berdnikov Y, Bergmann C, Betev L, Bhasin A, Bhati AK, Bianchi L, Bianchi N, Bianchin C, Bielčík J, Bielčíková J, Bilandzic A, Biolcati E, Blanc A, Blanco F, Blanco F, Blau D, Blume C, Boccioli M, Bock N, Bogdanov A, Bøggild H, Bogolyubsky M, Boldizsár L, Bombara M, Bombonati C, Book J, Borel H, Borissov A, Bortolin C, Bose S, Bossú F, Botje M, Böttger S, Boyer B, Braun-Munzinger P, Bravina L, Bregant M, Breitner T, Broz M, Brun R, Bruna E, Bruno GE, Budnikov D, Buesching H, Bugaiev K, Busch O, Buthelezi Z, Caffarri D, Cai X, Caines H, Villar EC, Camerini P, Roman VC, Romeo GC, Carena F, Carena W, Carminati F, Díaz AC, Caselle M, Castellanos JC, Catanescu V, Cavicchioli C, Cepila J, Cerello P, Chang B, Chapeland S, Charvet JL, Chattopadhyay S, Chattopadhyay S, Cherney M, Cheshkov C, Cheynis B, Chiavassa E, Barroso VC, Chinellato DD, Chochula P, Chojnacki M, Christakoglou P, Christensen CH, Christiansen P, Chujo T, Cicalo C, Cifarelli L, Cindolo F, Cleymans J, Coccetti F, Coffin JP, Coli S, Balbastre GC, Del Valle ZC, Constantin P, Contin G, Contreras JG, Cormier TM, Morales YC, Maldonado IC, Cortese P, 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Kral J, Králik I, Kramer F, Kraus I, Krawutschke T, Kretz M, Krivda M, Krizek F, Krumbhorn D, Krus M, Kryshen E, Krzewicki M, Kucheriaev Y, Kuhn C, Kuijer PG, Kurashvili P, Kurepin A, Kurepin AB, Kuryakin A, Kushpil S, Kushpil V, Kweon MJ, Kwon Y, La Rocca P, de Guevara PL, Lafage V, Lara C, Lardeux A, Larsen DT, Lazzeroni C, Le Bornec Y, Lea R, Lee KS, Lee SC, Lefèvre F, Lehnert J, Leistam L, Lenhardt M, Lenti V, Monzón IL, Vargas HL, Lévai P, Li X, Lien J, Lietava R, Lindal S, Lindenstruth V, Lippmann C, Lisa MA, Liu L, Loenne PI, Loggins VR, Loginov V, Lohn S, Loizides C, Loo KK, Lopez X, Noriega ML, Torres EL, Løvhøiden G, Lu XG, Luettig P, Lunardon M, Luparello G, Luquin L, Luzzi C, Ma K, Ma R, Madagodahettige-Don DM, Maevskaya A, Mager M, Mahapatra DP, Maire A, Mal'Kevich D, Malaev M, Cervantes IM, Malinina L, Malzacher P, Mamonov A, Manceau L, Mangotra L, Manko V, Manso F, Manzari V, Mao Y, Mareš J, Margagliotti GV, Margotti A, Marín A, Markert C, Martashvili I, Martinengo P, 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Ozawa K, Pachmayer Y, Pachr M, Padilla F, Pagano P, Jayarathna SP, Paić G, Painke F, Pajares C, Pal S, Pal SK, Palaha A, Palmeri A, Pappalardo GS, Park WJ, Patalakha DI, Paticchio V, Pavlinov A, Pawlak T, Peitzmann T, Peresunko D, Lara CEP, Perini D, Perrino D, Peryt W, Pesci A, Peskov V, Pestov Y, Peters AJ, Petráček V, Petran M, Petris M, Petrov P, Petrovici M, Petta C, Piano S, Piccotti A, Pikna M, Pillot P, Pinazza O, Pinsky L, Pitz N, Piuz F, Piyarathna DB, Platt R, Płoskoń M, Pluta J, Pocheptsov T, Pochybova S, Podesta-Lerma PLM, Poghosyan MG, Polák K, Polichtchouk B, Pop A, Porteboeuf S, Pospíšil V, Potukuchi B, Prasad SK, Preghenella R, Prino F, Pruneau CA, Pshenichnov I, Puddu G, Pulvirenti A, Punin V, Putiš M, Putschke J, Quercigh E, Qvigstad H, Rachevski A, Rademakers A, Rademakers O, Radomski S, Räihä TS, Rak J, Rakotozafindrabe A, Ramello L, Ramírez Reyes A, Rammler M, Raniwala R, Raniwala S, Räsänen SS, Read KF, Real J, Redlich K, Renfordt R, Reolon AR, Reshetin A, Rettig F, Revol JP, Reygers K, Ricaud H, Riccati L, Ricci RA, Richter M, Riedler P, Riegler W, Riggi F, Cahuantzi MR, Rohr D, Röhrich D, Romita R, Ronchetti F, Rosinský P, Rosnet P, Rossegger S, Rossi A, Roukoutakis F, Rousseau S, Roy C, Roy P, Montero AJR, Rui R, Rivetti A, Rusanov I, Ryabinkin E, Rybicki A, Sadovsky S, Safařík K, Sahoo R, Sahu PK, Saini J, Saiz P, Sakai S, Sakata D, Salgado CA, Samanta T, Sambyal S, Samsonov V, Castro XS, Sándor L, Sandoval A, Sano M, Sano S, Santo R, Santoro R, Sarkamo J, Saturnini P, Scapparone E, Scarlassara F, Scharenberg RP, Schiaua C, Schicker R, Schmidt C, Schmidt HR, Schreiner S, Schuchmann S, Schukraft J, Schutz Y, Schwarz K, Schweda K, Scioli G, Scomparin E, Scott PA, Scott R, Segato G, Selyuzhenkov I, Senyukov S, Seo J, Serci S, Serradilla E, Sevcenco A, Sgura I, Shabratova G, Shahoyan R, Sharma N, Sharma S, Shigaki K, Shimomura M, Shtejer K, Sibiriak Y, Siciliano M, Sicking E, Siemiarczuk T, Silenzi A, Silvermyr D, Simonetti G, Singaraju R, 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Vasiliev A, Vechernin V, Veldhoen M, Venaruzzo M, Vercellin E, Vergara S, Vernekohl DC, Vernet R, Verweij M, Vickovic L, Viesti G, Vikhlyantsev O, Vilakazi Z, Baillie OV, Vinogradov A, Vinogradov L, Vinogradov Y, Virgili T, Viyogi YP, Vodopyanov A, Voloshin K, Voloshin S, Volpe G, von Haller B, Vranic D, Øvrebekk G, Vrláková J, Vulpescu B, Vyushin A, Wagner B, Wagner V, Wan R, Wang D, Wang Y, Wang Y, Watanabe K, Wessels JP, Westerhoff U, Wiechula J, Wikne J, Wilde M, Wilk A, Wilk G, Williams MCS, Windelband B, Karampatsos LX, Yang H, Yang S, Yasnopolskiy S, Yi J, Yin Z, Yokoyama H, Yoo IK, Yu W, Yuan X, Yushmanov I, Zabrodin E, Zach C, Zampolli C, Zaporozhets S, Zarochentsev A, Závada P, Zaviyalov N, Zbroszczyk H, Zelnicek P, Zenin A, Zgura I, Zhalov M, Zhang X, Zhou D, Zichichi A, Zinovjev G, Zoccarato Y, Zynovyev M. Charged-particle multiplicity density at midrapidity in central Pb-Pb collisions at sqrt[S(NN)] = 2.76 TeV. Phys Rev Lett 2010; 105:252301. [PMID: 21231579 DOI: 10.1103/physrevlett.105.252301] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2010] [Indexed: 05/30/2023]
Abstract
The first measurement of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at a center-of-mass energy per nucleon pair √ S NN = 2.76 TeV is presented. For an event sample corresponding to the most central 5% of the hadronic cross section, the pseudorapidity density of primary charged particles at midrapidity is 1584 ± 4(stat) ± 76(syst), which corresponds to 8.3 ± 0.4(syst) per participating nucleon pair. This represents an increase of about a factor 1.9 relative to pp collisions at similar collision energies, and about a factor 2.2 to central Au-Au collisions at √ S NN = 2.76 TeV. This measurement provides the first experimental constraint for models of nucleus-nucleus collisions at LHC energies.
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Affiliation(s)
- K Aamodt
- Department of Physics and Technology, University of Bergen, Bergen, Norway
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Park JY, Kwon YC, Lee KH, Kim HN, Lee KY, Kim DM. Screening of optimal ribosome binding sites (RBSs) for high-level protein expression in a cell-free protein synthesis system derived from Streptomyces venezuelae. J Biotechnol 2010. [DOI: 10.1016/j.jbiotec.2010.09.853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Lee KY, Kwon YC, Lee KH, Byun JY, Kim HN, Kim DM. A cell-free protein synthesis system derived from the extract of Streptomyces venezuelae. J Biotechnol 2010. [DOI: 10.1016/j.jbiotec.2010.09.852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Aamodt K, Abel N, Abeysekara U, Abrahantes Quintana A, Abramyan A, Adamová D, Aggarwal MM, Aglieri Rinella G, Agocs AG, Aguilar Salazar S, Ahammed Z, Ahmad A, Ahmad N, Ahn SU, Akimoto R, Akindinov A, Aleksandrov D, Alessandro B, Alfaro Molina R, Alici A, Almaráz Aviña E, Alme J, Alt T, Altini V, Altinpinar S, Andrei C, Andronic A, Anelli G, Angelov V, Anson C, Anticić T, Antinori F, Antinori S, Antipin K, Antończyk D, Antonioli P, Anzo A, Aphecetche L, Appelshäuser H, Arcelli S, Arceo R, Arend A, Armesto N, Arnaldi R, Aronsson T, Arsene IC, Asryan A, Augustinus A, Averbeck R, Awes TC, Aystö J, Azmi MD, Bablok S, Bach M, Badalà A, Baek YW, Bagnasco S, Bailhache R, Bala R, Baldisseri A, Baldit A, Bán J, Barbera R, Barnaföldi GG, Barnby LS, Barret V, Bartke J, Barile F, Basile M, Basmanov V, Bastid N, Bathen B, Batigne G, Batyunya B, Baumann C, Bearden IG, Becker B, Belikov I, Bellwied R, Belmont-Moreno E, Belogianni A, Benhabib L, Beole S, Berceanu I, Bercuci A, Berdermann E, Berdnikov Y, Betev L, Bhasin A, Bhati AK, Bianchi L, Bianchi N, Bianchin C, Bielcík J, Bielcíková J, Bilandzic A, Bimbot L, Biolcati E, Blanc A, Blanco F, Blanco F, Blau D, Blume C, Boccioli M, Bock N, Bogdanov A, Bøggild H, Bogolyubsky M, Bohm J, Boldizsár L, Bombara M, Bombonati C, Bondila M, Borel H, Borisov A, Bortolin C, Bose S, Bosisio L, Bossú F, Botje M, Böttger S, Bourdaud G, Boyer B, Braun M, Braun-Munzinger P, Bravina L, Bregant M, Breitner T, Bruckner G, Brun R, Bruna E, Bruno GE, Budnikov D, Buesching H, Buncic P, Busch O, Buthelezi Z, Caffarri D, Cai X, Caines H, Calvo E, Camacho E, Camerini P, Campbell M, Canoa Roman V, Capitani GP, Cara Romeo G, Carena F, Carena W, Carminati F, Casanova Díaz A, Caselle M, Castillo Castellanos J, Castillo Hernandez JF, Catanescu V, Cattaruzza E, Cavicchioli C, Cerello P, Chambert V, Chang B, Chapeland S, Charpy A, Charvet JL, Chattopadhyay S, Chattopadhyay S, Cherney M, Cheshkov C, Cheynis B, Chiavassa E, Chibante Barroso V, Chinellato DD, Chochula P, Choi K, Chojnacki M, Christakoglou P, Christensen CH, Christiansen P, Chujo T, Chuman F, Cicalo C, Cifarelli L, Cindolo F, Cleymans J, Cobanoglu O, Coffin JP, Coli S, Colla A, Conesa Balbastre G, Conesa Del Valle Z, Conner ES, Constantin P, Contin G, Contreras JG, Corrales Morales Y, Cormier TM, Cortese P, Cortés Maldonado I, Cosentino MR, Costa F, Cotallo ME, Crescio E, Crochet P, Cuautle E, Cunqueiro L, Cussonneau J, Dainese A, Dalsgaard HH, Danu A, Das I, Dash A, Dash S, de Barros GOV, De Caro A, de Cataldo G, de Cuveland J, De Falco A, De Gaspari M, de Groot J, De Gruttola D, De Marco N, De Pasquale S, De Remigis R, de Rooij R, de Vaux G, Delagrange H, Delgado Y, Dellacasa G, Deloff A, Demanov V, Dénes E, Deppman A, D'Erasmo G, Derkach D, Devaux A, Di Bari D, Di Giglio C, Di Liberto S, Di Mauro A, Di Nezza P, Dialinas M, Díaz L, Díaz R, Dietel T, Divià R, Djuvsland O, Dobretsov V, Dobrin A, Dobrowolski T, Dönigus B, Domínguez I, Don DMM, Dordic O, Dubey AK, Dubuisson J, Ducroux L, Dupieux P, Dutta Majumdar AK, Dutta Majumdar MR, Elia D, Emschermann D, Enokizono A, Espagnon B, Estienne M, Esumi S, Evans D, Evrard S, Eyyubova G, Fabjan CW, Fabris D, Faivre J, Falchieri D, Fantoni A, Fasel M, Fateev O, Fearick R, Fedunov A, Fehlker D, Fekete V, Felea D, Fenton-Olsen B, Feofilov G, Fernández Téllez A, Ferreiro EG, Ferretti A, Ferretti R, Figueredo MAS, Filchagin S, Fini R, Fionda FM, Fiore EM, Floris M, Fodor Z, Foertsch S, Foka P, Fokin S, Formenti F, Fragiacomo E, Fragkiadakis M, Frankenfeld U, Frolov A, Fuchs U, Furano F, Furget C, Fusco Girard M, Gaardhøje JJ, Gadrat S, Gagliardi M, Gago A, Gallio M, Ganoti P, Ganti MS, Garabatos C, García Trapaga C, Gebelein J, Gemme R, Germain M, Gheata A, Gheata M, Ghidini B, Ghosh P, Giraudo G, Giubellino P, Gladysz-Dziadus E, Glasow R, Glässel P, Glenn A, Gómez Jiménez R, González Santos H, González-Trueba LH, González-Zamora P, Gorbunov S, Gorbunov Y, Gotovac S, Gottschlag H, Grabski V, Grajcarek R, Grelli A, Grigoras A, Grigoras C, Grigoriev V, Grigoryan A, Grigoryan S, Grinyov B, Grion N, Gros P, Grosse-Oetringhaus JF, Grossiord JY, Grosso R, Guber F, Guernane R, Guerra C, Guerzoni B, Gulbrandsen K, Gulkanyan H, Gunji T, Gupta A, Gupta R, Gustafsson HA, Gutbrod H, Haaland O, Hadjidakis C, Haiduc M, Hamagaki H, Hamar G, Hamblen J, Han BH, Harris JW, Hartig M, Harutyunyan A, Hasch D, Hasegan D, Hatzifotiadou D, Hayrapetyan A, Heide M, Heinz M, Helstrup H, Herghelegiu A, Hernández C, Herrera Corral G, Herrmann N, Hetland KF, Hicks B, Hiei A, Hille PT, Hippolyte B, Horaguchi T, Hori Y, Hristov P, Hrivnácová I, Hu S, Huang M, Huber S, Humanic TJ, Hutter D, Hwang DS, Ichou R, Ilkaev R, Ilkiv I, Inaba M, Innocenti PG, Ippolitov M, Irfan M, Ivan C, Ivanov A, Ivanov M, Ivanov V, Iwasaki T, Jachołkowski A, Jacobs P, Jancurová L, Jangal S, Janik R, Jena C, Jena S, Jirden L, Jones GT, Jones PG, Jovanović P, Jung H, Jung W, Jusko A, Kaidalov AB, Kalcher S, Kalinák P, Kalisky M, Kalliokoski T, Kalweit A, Kamal A, Kamermans R, Kanaki K, Kang E, Kang JH, Kapitan J, Kaplin V, Kapusta S, Karavichev O, Karavicheva T, Karpechev E, Kazantsev A, Kebschull U, Keidel R, Khan MM, Khan SA, Khanzadeev A, Kharlov Y, Kikola D, Kileng B, Kim DJ, Kim DS, Kim DW, Kim HN, Kim J, Kim JH, Kim JS, Kim M, Kim M, Kim SH, Kim S, Kim Y, Kirsch S, Kisel I, Kiselev S, Kisiel A, Klay JL, Klein J, Klein-Bösing C, Kliemant M, Klovning A, Kluge A, Knichel ML, Kniege S, Koch K, Kolevatov R, Kolojvari A, Kondratiev V, Kondratyeva N, Konevskih A, Kornaś E, Kour R, Kowalski M, Kox S, Kozlov K, Kral J, Králik I, Kramer F, Kraus I, Kravcáková A, Krawutschke T, Krivda M, Krumbhorn D, Krus M, Kryshen E, Krzewicki M, Kucheriaev Y, Kuhn C, Kuijer PG, Kumar L, Kumar N, Kupczak R, Kurashvili P, Kurepin A, Kurepin AN, Kuryakin A, Kushpil S, Kushpil V, Kutouski M, Kvaerno H, Kweon MJ, Kwon Y, La Rocca P, Lackner F, Ladrón de Guevara P, Lafage V, Lal C, Lara C, Larsen DT, Laurenti G, Lazzeroni C, Le Bornec Y, Le Bris N, Lee H, Lee KS, Lee SC, Lefèvre F, Lenhardt M, Leistam L, Lehnert J, Lenti V, León H, León Monzón I, León Vargas H, Lévai P, Li X, Li Y, Lietava R, Lindal S, Lindenstruth V, Lippmann C, Lisa MA, Liu L, Loginov V, Lohn S, Lopez X, López Noriega M, López-Ramírez R, López Torres E, Løvhøiden G, Lozea Feijo Soares A, Lu S, Lunardon M, Luparello G, Luquin L, Lutz JR, Ma K, Ma R, Madagodahettige-Don DM, Maevskaya A, Mager M, Mahapatra DP, Maire A, Makhlyueva I, Mal'kevich D, Malaev M, Malagalage KJ, Maldonado Cervantes I, Malek M, Malkiewicz T, Malzacher P, Mamonov A, Manceau L, Mangotra L, Manko V, Manso F, Manzari V, Mao Y, Mares J, Margagliotti GV, Margotti A, Marín A, Martashvili I, Martinengo P, Martínez Hernández MI, Martínez Davalos A, Martínez García G, Maruyama Y, Marzari Chiesa A, Masciocchi S, Masera M, Masetti M, Masoni A, Massacrier L, Mastromarco M, Mastroserio A, Matthews ZL, Matyja A, Mayani D, Mazza G, Mazzoni MA, Meddi F, Menchaca-Rocha A, Mendez Lorenzo P, Meoni M, Mercado Pérez J, Mereu P, Miake Y, Michalon A, Miftakhov N, Milano L, Milosevic J, Minafra F, Mischke A, Miśkowiec D, Mitu C, Mizoguchi K, Mlynarz J, Mohanty B, Molnar L, Mondal MM, Montaño Zetina L, Monteno M, Montes E, Morando M, Moretto S, Morsch A, Moukhanova T, Muccifora V, Mudnic E, Muhuri S, Müller H, Munhoz MG, Munoz J, Musa L, Musso A, Nandi BK, Nania R, Nappi E, Navach F, Navin S, Nayak TK, Nazarenko S, Nazarov G, Nedosekin A, Nendaz F, Newby J, Nianine A, Nicassio M, Nielsen BS, Nikolaev S, Nikolic V, Nikulin S, Nikulin V, Nilsen BS, Nilsson MS, Noferini F, Nomokonov P, Nooren G, Novitzky N, Nyatha A, Nygaard C, Nyiri A, Nystrand J, Ochirov A, Odyniec G, Oeschler H, Oinonen M, Okada K, Okada Y, Oldenburg M, Oleniacz J, Oppedisano C, Orsini F, Ortiz Velasquez A, Ortona G, Oskarsson A, Osmic F, Osterman L, Ostrowski P, Otterlund I, Otwinowski J, Ovrebekk G, Oyama K, Ozawa K, Pachmayer Y, Pachr M, Padilla F, Pagano P, Paić G, Painke F, Pajares C, Pal S, Pal SK, Palaha A, Palmeri A, Panse R, Papikyan V, Pappalardo GS, Park WJ, Pastircák B, Pastore C, Paticchio V, Pavlinov A, Pawlak T, Peitzmann T, Pepato A, Pereira H, Peressounko D, Pérez C, Perini D, Perrino D, Peryt W, Peschek J, Pesci A, Peskov V, Pestov Y, Peters AJ, Petrácek V, Petridis A, Petris M, Petrov P, Petrovici M, Petta C, Peyré J, Piano S, Piccotti A, Pikna M, Pillot P, Pinazza O, Pinsky L, Pitz N, Piuz F, Platt R, Płoskoń M, Pluta J, Pocheptsov T, Pochybova S, Podesta Lerma PLM, Poggio F, Poghosyan MG, Polák K, Polichtchouk B, Polozov P, Polyakov V, Pommeresch B, Pop A, Posa F, Pospísil V, Potukuchi B, Pouthas J, Prasad SK, Preghenella R, Prino F, Pruneau CA, Pshenichnov I, Puddu G, Pujahari P, Pulvirenti A, Punin A, Punin V, Putis M, Putschke J, Quercigh E, Rachevski A, Rademakers A, Radomski S, Räihä TS, Rak J, Rakotozafindrabe A, Ramello L, Ramírez Reyes A, Rammler M, Raniwala R, Raniwala S, Räsänen SS, Rashevskaya I, Rath S, Read KF, Real JS, Redlich K, Renfordt R, Reolon AR, Reshetin A, Rettig F, Revol JP, Reygers K, Ricaud H, Riccati L, Ricci RA, Richter M, Riedler P, Riegler W, Riggi F, Rivetti A, Rodriguez Cahuantzi M, Røed K, Röhrich D, Román López S, Romita R, Ronchetti F, Rosinský P, Rosnet P, Rossegger S, Rossi A, Roukoutakis F, Rousseau S, Roy C, Roy P, Rubio-Montero AJ, Rui R, Rusanov I, Russo G, Ryabinkin E, Rybicki A, Sadovsky S, Safarík K, Sahoo R, Saini J, Saiz P, Sakata D, Salgado CA, Salgueiro Domingues da Silva R, Salur S, Samanta T, Sambyal S, Samsonov V, Sándor L, Sandoval A, Sano M, Sano S, Santo R, Santoro R, Sarkamo J, Saturnini P, Scapparone E, Scarlassara F, Scharenberg RP, Schiaua C, Schicker R, Schindler H, Schmidt C, Schmidt HR, Schossmaier K, Schreiner S, Schuchmann S, Schukraft J, Schutz Y, Schwarz K, Schweda K, Scioli G, Scomparin E, Scott PA, Segato G, Semenov D, Senyukov S, Seo J, Serci S, Serkin L, Serradilla E, Sevcenco A, Sgura I, Shabratova G, Shahoyan R, Sharkov G, Sharma N, Sharma S, Shigaki K, Shimomura M, Shtejer K, Sibiriak Y, Siciliano M, Sicking E, Siddi E, Siemiarczuk T, Silenzi A, Silvermyr D, Simili E, Simonetti G, Singaraju R, Singh R, Singhal V, Sinha BC, Sinha T, Sitar B, Sitta M, Skaali TB, Skjerdal K, Smakal R, Smirnov N, Snellings R, Snow H, Søgaard C, Soloviev A, Soltveit HK, Soltz R, Sommer W, Son CW, Son H, Song M, Soos C, Soramel F, Soyk D, Spyropoulou-Stassinaki M, Srivastava BK, Stachel J, Staley F, Stan E, Stefanek G, Stefanini G, Steinbeck T, Stenlund E, Steyn G, Stocco D, Stock R, Stolpovsky P, Strmen P, Suaide AAP, Subieta Vásquez MA, Sugitate T, Suire C, Sumbera M, Susa T, Swoboda D, Symons J, Szanto de Toledo A, Szarka I, Szostak A, Szuba M, Tadel M, Tagridis C, Takahara A, Takahashi J, Tanabe R, Tapia Takaki JD, Taureg H, Tauro A, Tavlet M, Tejeda Muñoz G, Telesca A, Terrevoli C, Thäder J, Tieulent R, Tlusty D, Toia A, Tolyhy T, Torcato de Matos C, Torii H, Torralba G, Toscano L, Tosello F, Tournaire A, Traczyk T, Tribedy P, Tröger G, Truesdale D, Trzaska WH, Tsiledakis G, Tsilis E, Tsuji T, Tumkin A, Turrisi R, Turvey A, Tveter TS, Tydesjö H, Tywoniuk K, Ulery J, Ullaland K, Uras A, Urbán J, Urciuoli GM, Usai GL, Vacchi A, Vala M, Valencia Palomo L, Vallero S, van der Kolk N, Vande Vyvre P, van Leeuwen M, Vannucci L, Vargas A, Varma R, Vasiliev A, Vassiliev I, Vasileiou M, Vechernin V, Venaruzzo M, Vercellin E, Vergara S, Vernet R, Verweij M, Vetlitskiy I, Vickovic L, Viesti G, Vikhlyantsev O, Vilakazi Z, Villalobos Baillie O, Vinogradov A, Vinogradov L, Vinogradov Y, Virgili T, Viyogi YP, Vodopianov A, Voloshin K, Voloshin S, Volpe G, von Haller B, Vranic D, Vrláková J, Vulpescu B, Wagner B, Wagner V, Wallet L, Wan R, Wang D, Wang Y, Wang Y, Watanabe K, Wen Q, Wessels J, Westerhoff U, Wiechula J, Wikne J, Wilk A, Wilk G, Williams MCS, Willis N, Windelband B, Xu C, Yang C, Yang H, Yasnopolskiy S, Yermia F, Yi J, Yin Z, Yokoyama H, Yoo IK, Yuan X, Yurevich V, Yushmanov I, Zabrodin E, Zagreev B, Zalite A, Zampolli C, Zanevsky Y, Zaporozhets S, Zarochentsev A, Závada P, Zbroszczyk H, Zelnicek P, Zenin A, Zepeda A, Zgura I, Zhalov M, Zhang X, Zhou D, Zhou S, Zhu J, Zichichi A, Zinchenko A, Zinovjev G, Zoccarato Y, Zychácek V, Zynovyev M. Midrapidity antiproton-to-proton ratio in pp collisons at sqrt[s]=0.9 and 7 TeV measured by the ALICE experiment. Phys Rev Lett 2010; 105:072002. [PMID: 20868032 DOI: 10.1103/physrevlett.105.072002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Indexed: 05/29/2023]
Abstract
The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at sqrt[s]=0.9 and 7 TeV during the initial running periods of the Large Hadron Collider. The measurement covers the transverse momentum interval 0.45<p_{t}<1.05 GeV/c and rapidity |y|<0.5. The ratio is measured to be R_{|y|<0.5}=0.957±0.006(stat)±0.014(syst) at 0.9 TeV and R_{|y|<0.5}=0.991±0.005(stat)±0.014(syst) at 7 TeV and it is independent of both rapidity and transverse momentum. The results are consistent with the conventional model of baryon-number transport and set stringent limits on any additional contributions to baryon-number transfer over very large rapidity intervals in pp collisions.
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Affiliation(s)
- K Aamodt
- Department of Physics, University of Oslo, Oslo, Norway
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Park ES, Moon K, Kim HN, Lee WJ, Jin YW. [Radiation exposure and cancer mortality among nuclear power plant workers: a meta-analysis]. J Prev Med Public Health 2010; 43:185-92. [PMID: 20383052 DOI: 10.3961/jpmph.2010.43.2.185] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [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] Open
Abstract
OBJECTIVES We conducted a meta-analysis to investigate the relationship between low external doses of ionizing radiation exposure and the risk of cancer mortality among nuclear power plant workers. METHODS We searched MEDLINE using key words related to low dose and cancer risk. The selected articles were restricted to those written in English from 1990 to January 2009. We excluded those studies with no fit to the selection criteria and we included the cited references in published articles to minimize publication bias. Through this process, a total of 11 epidemiologic studies were finally included. RESULTS We found significant decreased deaths from all cancers (SMR = 0.75, 95% CI = 0.62 - 0.90), all cancers excluding leukemia, solid cancer, mouth and pharynx, esophagus, stomach, rectum, liver and gallbladder, pancreas, lung, prostate, lymphopoietic and hematopoitic cancer. The findings of this meta-analysis were similar with those of the 15 Country Collaborative Study conducted by the International Agency for Research on Cancer. A publication bias was found only for liver and gallbladder cancer (p = 0.015). Heterogeneity was observed for all cancers, all cancers excluding leukemia, solid cancer, esophagus, colon and lung cancer. CONCLUSIONS Our findings of low mortality for stomach, rectum, liver and gallbladder cancers may explained by the health worker effect. Yet further studies are needed to clarify the low SMR of cancers, for which there is no useful screening tool, in nuclear power plant workers.
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Affiliation(s)
- Eun Sook Park
- Radiation Health Research Institute, Korea Hydro & Nuclear Power Co., Ltd., Korea
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Kim HN, Harrington RD, Crane HM, Dhanireddy S, Dellit TH, Spach DH. Hepatitis B vaccination in HIV-infected adults: current evidence, recommendations and practical considerations. Int J STD AIDS 2009; 20:595-600. [PMID: 19710329 DOI: 10.1258/ijsa.2009.009126] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Immunization with hepatitis B (HBV) vaccine is recommended for all HIV-infected individuals without immunity to HBV. This patient population, however, has relatively poor HBV vaccine responses. Factors associated with this impaired HBV vaccine response in HIV-infected individuals may include older age, uncontrolled HIV replication, and low nadir CD4 cell count. Postvaccination testing for HBV surface antibody is recommended and vaccine non-responders should undergo repeat immunization with a full series. The benefit of double dosage, the appropriate strategy for HIV-infected patients with isolated HBV core antibody and the timing and number of vaccinations in persons with advanced immunosuppression on highly active antiretroviral therapy remain controversial areas.
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Affiliation(s)
- H N Kim
- Division of Allergy & Infectious Diseases, Department of Medicine, University of Washington, Harborview Medical Center, Seattle, WA, USA.
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Haznedaroglu BZ, Kim HN, Bradford SA, Walker SL. Relative transport behavior of Escherichia coli O157:H7 and Salmonella enterica serovar pullorum in packed bed column systems: influence of solution chemistry and cell concentration. Environ Sci Technol 2009; 43:1838-1844. [PMID: 19368180 DOI: 10.1021/es802531k] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The influence of solution chemistry and cell concentration on bacterial transport has been examined using Salmonella pullorum SA1685 and Escherichia coli O157:H7. A column was employed to determine the transport behavior and deposition kinetics with aquifer sand over a range of ionic strengths and cell concentrations. O157:H7 was found to be more adhesive than SA1685, with calculated deposition rate coefficients higher than those of SA1685. Comprehensive cell surface characterization techniques including size, surface charge density, extracellular polymeric substance content, electrophoretic mobility, and hydrophobicity analyses were conducted to explain observed transporttrends. The pathogens' size and hydrophobicity were not significantly different, whereas they varied in acidity, for which O157:H7 had 19 times higher surface charge density than SA1685. Electrophoretic mobilities, in general agreement with titration analysis and column experiments, revealed SA1685 to be more negative than O157:H7. This combination of column and characterization experiments indicates that SA1685 can be transported to a greater extent than O157:H7 in groundwater environments. This study is the first comprehensive work comparing the transport behavior of two important pathogens in aquifer systems.
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Affiliation(s)
- B Z Haznedaroglu
- Department of Chemical & Environmental Engineering, University of California, Riverside, California 92521, USA
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Kim JH, Kim HN, Lee KT, Lee JK, Choi SH, Paik SW, Rhee JC, Lowe AW. Gene expression profiles in gallbladder cancer: the close genetic similarity seen for early and advanced gallbladder cancers may explain the poor prognosis. Tumour Biol 2008; 29:41-9. [PMID: 18497548 DOI: 10.1159/000132570] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2007] [Accepted: 01/14/2008] [Indexed: 12/16/2022] Open
Abstract
There is currently no data available about the gene expression profiles of gallbladder cancer. The purpose of this study was to identify potential markers for gallbladder cancer and to examine the genetic differences between early and advanced gallbladder cancers. Total RNA was extracted from 17 gallbladder tissue specimens, including 6 advanced gallbladder cancers, 6 early gallbladder cancers and 5 normal control samples. The genes were localized with DNA microarrays and their presence was verified by performing real-time PCR. When the gallbladder cancer isolates were compared to the normal control samples, we identified 4,682 genes, including 2,270 that were overexpressed genes and 2,412 that were underexpressed genes in the gallbladder cancer. We selected 9 overexpressed genes (SERPINB5, BCL10, CD44, ARHGEF11, SERPINB2, RELA, PAK4, PPARD and BUB1B) and 1 underexpressed gene (CAV2) for real-time PCR analysis. When the advanced gallbladder cancer isolates were compared with the early gallbladder cancer isolates, we identified only 12 genes with greater than a 1.7-fold change in gene expression. We have identified several genes that may be tumor markers for gallbladder cancer. The close genetic similarity found between the early and advanced gallbladder cancers may help explain the poor prognosis of this disease.
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Affiliation(s)
- Ji Hyang Kim
- Department of Medicine, Sungkyunkwan University School of Medicine, Seoul, Korea
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Kim JH, Kim HN, Lee KT, Lee JK, Choi SH, Paik SW, Rhee JC, Lowe AW. Gene expression profiles in gallbladder cancer: the close genetic similarity seen for early and advanced gallbladder cancers may explain the poor prognosis. Tumour Biol 2008. [PMID: 18497548 DOI: 10.1159/000132570000132570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
There is currently no data available about the gene expression profiles of gallbladder cancer. The purpose of this study was to identify potential markers for gallbladder cancer and to examine the genetic differences between early and advanced gallbladder cancers. Total RNA was extracted from 17 gallbladder tissue specimens, including 6 advanced gallbladder cancers, 6 early gallbladder cancers and 5 normal control samples. The genes were localized with DNA microarrays and their presence was verified by performing real-time PCR. When the gallbladder cancer isolates were compared to the normal control samples, we identified 4,682 genes, including 2,270 that were overexpressed genes and 2,412 that were underexpressed genes in the gallbladder cancer. We selected 9 overexpressed genes (SERPINB5, BCL10, CD44, ARHGEF11, SERPINB2, RELA, PAK4, PPARD and BUB1B) and 1 underexpressed gene (CAV2) for real-time PCR analysis. When the advanced gallbladder cancer isolates were compared with the early gallbladder cancer isolates, we identified only 12 genes with greater than a 1.7-fold change in gene expression. We have identified several genes that may be tumor markers for gallbladder cancer. The close genetic similarity found between the early and advanced gallbladder cancers may help explain the poor prognosis of this disease.
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Affiliation(s)
- Ji Hyang Kim
- Department of Medicine, Sungkyunkwan University School of Medicine, Seoul, Korea
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Abstract
BACKGROUND AND PURPOSE Cornelia de Lange syndrome is a rare developmental malformation syndrome with a high prevalence of hearing impairment. The purposes of this study were to describe the characteristic temporal bone CT findings in patients with Cornelia de Lange syndrome and to correlate audiometric data with radiologic findings in these patients. MATERIALS AND METHODS Ten children (6 girls and 4 boys; mean age, 42.0 months) who were clinically diagnosed with Cornelia de Lange syndrome (classic, n = 5; mild form, n = 5) were enrolled. Temporal bone CT was prospectively performed, and 32 aspects of each temporal bone CT were analyzed, 21 by direct measurement and 11 by visual inspection. Twenty age-matched children (n = 20 ears) with normal temporal bone CT scans served as a control group. Audiologic tests were also performed on all patients. RESULTS Characteristic temporal bone CT findings of Cornelia de Lange syndrome were external auditory canal stenosis, soft-tissue opacification of the hypoplastic tympanomastoid cavity, dysmorphic ossicle, hypoplastic cochlea, and dysplastic vestibule, all of which were more prevalent in patients with the classic form of the disease than in those with the mild form. Children who had more severe structural abnormalities on temporal bone CT had worse hearing levels compared with those without structural abnormalities. CONCLUSION Temporal bone CT scans in Cornelia de Lange syndrome could document combined structural abnormalities of the external, middle, and inner ear, which were one of the characteristic clinical manifestations; CT abnormalities were well correlated with the audiometric data.
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Affiliation(s)
- J Kim
- Department of Radiology, Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Korea
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Hong HN, Kim HN, Park KS, Lee SK, Gu MB. Analysis of the effects diclofenac has on Japanese medaka (Oryzias latipes) using real-time PCR. Chemosphere 2007; 67:2115-21. [PMID: 17307218 DOI: 10.1016/j.chemosphere.2006.12.090] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2006] [Revised: 12/04/2006] [Accepted: 12/30/2006] [Indexed: 05/14/2023]
Abstract
The expression levels of cytochrome P450 1A, p53 and vitellogenin were investigated in three different tissues of male medaka fish after exposure to diclofenac that is one of the main concerns among pharmaceuticals frequently found in sewage treatment plant (STP) effluents. The results showed that cytochrome P450 1A, p53 and vitellogenin were highly expressed in tissue-specific gene expression patterns after exposure to 8 mg/l and 1 microg/l of diclofenac. These elevated expression levels of three biomarkers suggested that diclofenac has potential to cause cellular toxicity, p53-related genotoxicity and estrogenic effects. It is also noteworthy that diclofenac has the potential to cause these effects even at an environmentally relevant concentration of diclofenac, 1 microg/l.
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Affiliation(s)
- Han Na Hong
- National Research Laboratory on Environmental Biotechnology, Gwangju Institute of Science and Technology (GIST), Gwangju, South Korea
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Abstract
OBJECTIVES The purpose of this study was to screen for genes related to lymph node metastasis by comparing the differences in the expression profile between pancreatic cancer with lymph node metastasis and one without, and to predict the invasiveness and the progression of pancreatic cancer on the basis of these findings. METHODS The total RNA of the tissues was extracted from 10 pancreatic cancer specimens, including those with lymph node metastasis and those with no metastasis. It was studied by means of a DNA microarray (oligo chip) consisting of 37,842 genes. We screened out 1.5-fold or more differential gene expressions in at least 5 pairs of samples. We classified both samples and genes using a 2-way clustering analysis. The screened-out genes were identified using real-time polymerase chain reaction. RESULTS We identified 194 genes, including 66 overexpressed and 128 underexpressed genes, in pancreatic cancer with lymph node metastasis. Among them, we identified some genes related to lymph node metastasis in patients with pancreatic cancer: oncogenes, tumor suppressor genes, apoptosis and antiapoptosis genes, tumor angiogenesis factors, and cell cycle regulators. Genes promoting the growth of tumor cells were highly expressed in lymph node-positive pancreatic cancer, whereas genes inducing apoptosis were underexpressed. CONCLUSIONS We have identified genes that may play an important role in metastasis and survival in patients with pancreatic cancer. These results provide new insight into the study of human pancreatic cancer metastasis, including lymph node metastasis, and ultimately may lead to improving early diagnosis and discovering innovative therapeutic approaches for cancer.
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Affiliation(s)
- Han Na Kim
- Samsung Biomedical Research Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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48
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Eun JS, Kim KS, Kim HN, Park SA, Ma TZ, Lee KA, Kim DK, Kim HK, Kim IS, Jung YH, Zee OP, Yoo DJ, Kwak YG. Synthesis of psoralen derivatives and their blocking effect of hKv1.5 channel. Arch Pharm Res 2007; 30:155-60. [PMID: 17366735 DOI: 10.1007/bf02977688] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Previously, we found that a furocoumarin derivative, psoralen (7H-furo[3,2-g][1]benzopyran-7-one), blocked a human Kv1.5 potassium channel (hKv1.5) and has a potential antiarrhythmic effect. In the present study, to develop more potent hKv1.5 blockers or antiarrhythmic drugs, we synthesized ten psoralen derivatives and examined their blocking effects on hKv1.5 stably expressed in Ltk cells. Among the newly synthesized psoralen derivatives, three derivatives (Compounds 5, 9 and 10) showed the open channel-blocking effect. Compound 9 among them was the most potent in blocking hKv1.5. We found that compound 9, one of the psoralen derivatives, inhibited the hKv1.5 current in a concentration-, use- and voltage-dependent manner with an IC50 value of 27.4 +/- 5.1 nM at +60 mV. Compound 9 accelerated the inactivation kinetics of the hKv1.5 channel, slowed the deactivation kinetics of hKv1.5 current resulting in a tail crossover phenomenon. Compound 9 inhibited hKv1.5 current in a use-dependent manner. These results indicate that compound 9, one of psoralen derivatives, acts on hKv1.5 channel as an open channel blocker and is much more potent than psoralen in blocking hKv1.5 channel. If further studies were done, compound 9 might be an ideal antiarrhythmic drug for atrial fibrillation.
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Affiliation(s)
- Jae Soon Eun
- College of Pharmacy, Woosuk University, Samrye 565-701, Korea
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49
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Shigenaga Y, Moritani M, Oh SJ, Park KP, Paik SK, Bae JY, Kim HN, Ma SK, Park CW, Yoshida A, Ottersen OP, Bae YC. The distribution of inhibitory and excitatory synapses on single, reconstructed jaw-opening motoneurons in the cat. Neuroscience 2005; 133:507-18. [PMID: 15878646 DOI: 10.1016/j.neuroscience.2005.02.022] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2005] [Revised: 02/03/2005] [Accepted: 02/12/2005] [Indexed: 11/21/2022]
Abstract
In a previous study, we reported that the distribution of inhibitory input, in contrast to excitatory input, decreased somatofugally along dendrites of cat jaw-closing alpha-motoneurons [J Comp Neurol 414 (1999) 454]. The present study examined the distribution of GABA, glycine, and glutamate immunopositive boutons covering horseradish peroxidase-labeled cat jaw-opening motoneurons. The motoneurons were divided into four compartments: the soma, and primary, intermediate, and distal dendrites. Ninety-seven percent of the total number of studied boutons had immunoreactivity for at least one of the three amino acids. The proportion of boutons immunoreactive for GABA and/or glycine was lower than the proportion of boutons immunoreactive for glutamate. Boutons immunoreactive to glycine alone were more numerous than boutons double-labeled for GABA and glycine, which, in turn, occurred more frequently than boutons immunoreactive to GABA alone. The percentage synaptic covering (proportion of membrane covered by synaptic boutons) of the putatively excitatory (glutamate containing) and putatively inhibitory (GABA and/or glycine containing) boutons decreased somatofugally along the dendrites. Such systematic variations were not seen in the packing density (number of boutons per 100 microm(2)); the packing density showed a distinct drop between the soma and primary dendrites but did not differ significantly among the three dendritic compartments. Overall, the packing density was slightly higher for the putatively excitatory boutons than for the inhibitory ones. When taken together with previous analyses of jaw-closing alpha-motoneurons the present data on jaw-opening alpha-motoneurons indicate that the two types of neuron differ in regard to the nature of synaptic integration in the dendritic tree.
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Affiliation(s)
- Y Shigenaga
- Department of Oral Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Jung-Gu, Daegu 700-412, Korea.
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50
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Kim SJ, Cho HH, Kim YJ, Seo SY, Kim HN, Lee JB, Kim JH, Chung JS, Jung JS. Human adipose stromal cells expanded in human serum promote engraftment of human peripheral blood hematopoietic stem cells in NOD/SCID mice. Biochem Biophys Res Commun 2005; 329:25-31. [PMID: 15721268 DOI: 10.1016/j.bbrc.2005.01.092] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2005] [Indexed: 01/18/2023]
Abstract
Human mesenchymal stem cells (hMSC), that have been reported to be present in bone marrow, adipose tissues, dermis, muscles, and peripheral blood, have the potential to differentiate along different lineages including those forming bone, cartilage, fat, muscle, and neuron. Therefore, hMSC are attractive candidates for cell and gene therapy. The optimal conditions for hMSC expansion require medium supplemented with fetal bovine serum (FBS). Some forms of cell therapy will involve multiple doses, raising a concern over immunological reactions caused by medium-derived FBS proteins. In this study, we cultured human adipose stromal cells (hADSC) and bone marrow stroma cells (HBMSC) in human serum (HS) during their isolation and expansion, and demonstrated that they maintain their proliferative capacity and ability for multilineage differentiation and promote engraftment of peripheral blood-derived CD34(+) cells mobilized from bone marrow in NOD/SCID mice. Our results indicate that hADSC and hBMSC cultured in HS can be used for clinical trials of cell and gene therapies, including promotion of engraftment after allogeneic HSC transplantation.
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Affiliation(s)
- Su Jin Kim
- Department of Physiology, College of Medicine, Pusan National University, Pusan 602-739, Republic of Korea.
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