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Kim JY, Lee S, Kim G, Shin HJ, Lee EJ, Lee CS, Yoon S, Lee E, Lim A, Kim SH. Ameliorating effect of 2'-Fucosyllactose and 6'-Sialyllactose on lipopolysaccharide-induced intestinal inflammation. J Dairy Sci 2024:S0022-0302(24)00568-X. [PMID: 38490539 DOI: 10.3168/jds.2024-24325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 02/08/2024] [Indexed: 03/17/2024]
Abstract
Human milk oligosaccharides (HMO) affect gut microbiota during neonatal development, particularly with respect to the immune system. Bovine milk-based infant formulas have low oligosaccharide contents. Thus, efforts to fortify infant formulas with HMO are being undertaken. Two major HMO, 2'-fucosyllactose (2'-FL) and 6'-sialyllactose (6'-SL), exert anti-inflammatory effects; however, the associations between anti-inflammatory effects induced by 2'-FL and 6'-SL co-treatment and gut microbiota composition and metabolite modulation remain unclear. Therefore, in this study, we evaluated the effects of a mixture of these HMO. To determine the optimal HMO ratio for anti-inflammatory effects and elucidate its mode of action, LPS-induced inflammatory HT-29 epithelial cells and intestinal inflamed suckling mice were treated with various mixtures of 2'-FL and 6'-SL. 2'-FL:6'-SL ratio of 5:1 was identified as the most effective pre-treatment HMO mixture in vitro; thus, this ratio was selected and used for low, middle, and high-dose treatments for subsequent in vivo studies. In vivo, high-dose HMO treatment restored LPS-induced inflammation symptoms, such as body weight loss, colon length reduction, histological structural damage, and intestinal gene expression related to inflammatory responses. High-dose HMO was the only treatment that modulated the major phyla Bacteroidetes and Firmicutes and the genera Ihubacter, Mageeibacillus, and Saccharofermentans. These changes in microbial composition were correlated with intestinal inflammation-related gene expression and short-chain fatty acid production. To our knowledge, our study is the first to report the effects of Ihubacter, Mageeibacillus, and Saccharofermentans on short chain fatty acid levels, which can subsequently affect inflammatory cytokine and tight junction protein levels. Conclusively, the HMO mixture exerted anti-inflammatory effects through changes in microbiota and metabolite production. These findings suggested that supplementation of infant formula with HMO may benefit formula-fed infants by forming unique microbiota contributing to neonatal development.
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Affiliation(s)
- J-Y Kim
- College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea; Institute of Life Science and Natural Resources, Korea University, Seoul 02841, Republic of Korea
| | - S Lee
- College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - G Kim
- College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - H J Shin
- College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - E J Lee
- College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - C S Lee
- College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea; Institute of Life Science and Natural Resources, Korea University, Seoul 02841, Republic of Korea
| | - S Yoon
- Lotte R&D Center, Seoul, Republic of Korea
| | - E Lee
- Lotte R&D Center, Seoul, Republic of Korea
| | - A Lim
- Lotte R&D Center, Seoul, Republic of Korea
| | - S H Kim
- College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea; Institute of Life Science and Natural Resources, Korea University, Seoul 02841, Republic of Korea.
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Shinde KP, Lee EJ, Manawan M, Lee A, Park SY, Jo Y, Ku K, Kim JM, Park JS. Structural, magnetic, and magnetocaloric properties of R 2NiMnO 6 (R = Eu, Gd, Tb). Sci Rep 2021; 11:20206. [PMID: 34642433 PMCID: PMC8511262 DOI: 10.1038/s41598-021-99755-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/27/2021] [Indexed: 11/09/2022] Open
Abstract
The crystal structure, cryogenic magnetic properties, and magnetocaloric performance of double perovskite Eu2NiMnO6 (ENMO), Gd2NiMnO6 (GNMO), and Tb2NiMnO6 (TNMO) ceramic powder samples synthesized by solid-state method have been investigated. X-ray diffraction structural investigation reveal that all compounds crystallize in the monoclinic structure with a P21/n space group. A ferromagnetic to paramagnetic (FM-PM) second-order phase transition occurred in ENMO, GNMO, and TNMO at 143, 130, and 112 K, respectively. Maximum magnetic entropy changes and relative cooling power with a 5 T applied magnetic field are determined to be 3.2, 3.8, 3.5 J/kgK and 150, 182, 176 J/kg for the investigated samples, respectively. The change in structural, magnetic, and magnetocaloric effect attributed to the superexchange mechanism of Ni2+–O–Mn3+ and Ni2+–O–Mn4+. The various atomic sizes of Eu, Gd, and Tb affect the ratio of Mn4+/Mn3+, which is responsible for the considerable change in properties of double perovskite.
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Affiliation(s)
- K P Shinde
- Department of Materials Science and Engineering, Hanbat National University, Daejeon, 34158, South Korea
| | - E J Lee
- Department of Materials Science and Engineering, Hanbat National University, Daejeon, 34158, South Korea
| | - M Manawan
- Fakultas Teknologi Pertahanan, Universitas Pertahanan Indonesia, Bogor, 16810, Indonesia
| | - A Lee
- Center for Scientific Instrumentation, Korea Basic Science Institute, Daejeon, 34133, South Korea
| | - S-Y Park
- Center for Scientific Instrumentation, Korea Basic Science Institute, Daejeon, 34133, South Korea
| | - Y Jo
- Center for Scientific Instrumentation, Korea Basic Science Institute, Daejeon, 34133, South Korea
| | - K Ku
- Department of Materials Science and Engineering, Hanbat National University, Daejeon, 34158, South Korea
| | - J M Kim
- Department of Materials Science and Engineering, Hanbat National University, Daejeon, 34158, South Korea
| | - J S Park
- Department of Materials Science and Engineering, Hanbat National University, Daejeon, 34158, South Korea.
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Park S, Lee EJ, Kim JY, Bae YJ, Oh SH. Blood high mobility group box 1 levels are not a suitable biomarker for disease activity or severity in nonsegmental vitiligo. Clin Exp Dermatol 2021; 46:1597-1599. [PMID: 34080225 DOI: 10.1111/ced.14782] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 05/20/2021] [Accepted: 06/02/2021] [Indexed: 11/27/2022]
Affiliation(s)
- S Park
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - E J Lee
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - J Y Kim
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Y J Bae
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - S H Oh
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
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An SJ, Lee EJ, Jeong SH, Hong YP, Ahn S, Yang YJ. Perinatal exposure to di-(2-ethylhexyl) phthalate induces hepatic lipid accumulation mediated by diacylglycerol acyltransferase 1. Hum Exp Toxicol 2021; 40:1698-1709. [PMID: 33832334 DOI: 10.1177/09603271211003314] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Di-(2-ethylhexyl) phthalate (DEHP) is a commonly used plasticizer in consumer products and medical devices. It is also suspected to exacerbate the development of fatty liver. However, the mechanisms underlying excessive lipid synthesis and its deposition in the liver are yet to be identified. This study was aimed to evaluate the molecular mechanisms of hepatic lipid accumulation in adult male offspring after perinatal exposure to DEHP. METHOD Corn oil and DEHP (0.75 mg/kg/day) were administered once per day to dam from gestation day 6 to postnatal day (PND) 21 by oral gavage. After the weaning period, DEHP treated male pups were categorized into early life stage- and lifelong period group. Male rats both control and early life stage group administered corn oil, and lifelong period group administered DEHP from PND 22 to 70. Histological examination and triglyceride (TG) levels in the liver were analyzed. Expressions of transcription factors associated with lipid accumulation in the liver were analyzed. RESULTS Both early life stage- and lifelong period group, hepatic TG levels, and mRNA and protein expression of diacylglycerol acyltransferase 1 (DGAT1) were significantly higher than control (TG: all p < 0.05, mRNA & protein: p < 0.05 and p < 0.001, respectively). The average body weight from PND 35 to 63, and mRNA and protein expression of sterol regulatory element binding protein 1c in lifelong period group were significantly lower than control (all p < 0.05); however, alanine transaminase were significantly higher than control (p < 0.01). CONCLUSION Perinatal exposure to DEHP may induce the hepatic lipid accumulation through up-regulation of DGAT1 expression.
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Affiliation(s)
- S J An
- Department of Neurology, Catholic Kwandong University International St Mary's Hospital, Incheon, Republic of Korea.,These authors are equally contributed to this work
| | - E J Lee
- Institute for Catholic Integrative Medicine, Incheon St Mary's Hospital, College of Medicine, The Catholic University of Korea, Incheon, Republic of Korea.,These authors are equally contributed to this work
| | - S-H Jeong
- Division of Gastroenterology, Department of Internal Medicine, Catholic Kwandong University International St Mary's Hospital, Incheon, Republic of Korea
| | - Y-P Hong
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, Seoul, Republic of Korea
| | - S Ahn
- Department of Pathology, Catholic Kwandong University International St Mary's Hospital, Incheon, Republic of Korea
| | - Y-J Yang
- Institute of Biomedical Science, Catholic Kwandong University International St Mary's Hospital, Incheon, Republic of Korea
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Lee EJ, Gawel DR, Lilja S, Li X, Schäfer S, Sysoev O, Zhang H, Benson M. Analysis of expression profiling data suggests explanation for difficulties in finding biomarkers for nasal polyps. Rhinology 2020; 58:360-367. [PMID: 32812533 DOI: 10.4193/rhin19.407] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Identification of clinically useful biomarkers for Nasal Polyposis in chronic rhinosinusitis (CRSwNP) has proven dif-ficult. We analyzed gene expression profiling data to find explanations for this. METHODS We analyzed mRNA expression profiling data, GSE36830, of six uncinate tissues from healthy controls and six NP from CRSwNP patients. We performed Ingenuity Pathway Analysis (IPA) of differentially expressed genes to identify pathways and predicted upstream regulators. RESULTS We identified 1,608 differentially expressed genes and 177 significant pathways, of which Th1 and Th2 activation pathway and leukocyte extravasation signaling were most significant. We identified 75 upstream regulators whose activity was predicted to be upregulated. These included regulators of known pathogenic and therapeutic relevance, like IL-4. However, only seven of the 75 regulators were actually differentially expressed in NP, namely CSF1, TYROBP, CCL2, CCL11, SELP, ADORA3, ICAM1. Interes-tingly, these did not include IL-4, and four of the seven were receptors. This suggested a potential explanation for the discrepancy between the predicted and observed expression levels of the regulators, namely that the receptors, and not their ligands, were upregulated. Indeed, we found that 10 receptors of key predicted upstream regulators were upregulated, including IL4R. CONCLUSION Our findings indicate that the difficulties in finding specific biomarkers for CRSwNP depend on the complex underly-ing mechanisms, which include multiple pathways and regulators, each of which may be subdivided into multiple components such as ligands, soluble and membrane-bound receptors. This suggests that combinations of biomarkers may be needed for CRSwNP diagnostics.
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Affiliation(s)
- E J Lee
- Centre for Personalized Medicine, Linkoping University, Linkoping, Sweden
| | - D R Gawel
- Centre for Personalized Medicine, Linkoping University, Linkoping, Sweden
| | - S Lilja
- Centre for Personalized Medicine, Linkoping University, Linkoping, Sweden
| | - X Li
- Centre for Personalized Medicine, Linkoping University, Linkoping, Sweden
| | - S Schäfer
- Centre for Personalized Medicine, Linkoping University, Linkoping, Sweden
| | - O Sysoev
- Division of Statistics and Machine Learning, Department of Computer and Information Science, Linkoping University, Sweden
| | - H Zhang
- Division of Statistics and Machine Learning, Department of Computer and Information Science, Linkoping University, Sweden
| | - M Benson
- Division of Statistics and Machine Learning, Department of Computer and Information Science, Linkoping University, Sweden
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Kwak MK, Lee EJ, Park JW, Park SY, Kim BJ, Kim TH, Suh K, Koh JM, Lee SH, Byun DW. Correction to: CD4 T cell count is positively associated with lumbar spine bone mass in HIV-infected men under the age of 50 years. Osteoporos Int 2019; 30:2363. [PMID: 31506788 DOI: 10.1007/s00198-019-05115-2] [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: 10/26/2022]
Abstract
Two sentences in the Discussion section were incorrect.
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Affiliation(s)
- M K Kwak
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, University College of Medicine, Soonchunhyang, Seoul, 04401, South Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, 7, Keunjaebong-gil, Hwaseong-Si, Gyeonggi-Do, 18450, South Korea
| | - E J Lee
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, Soonchunhyang University Hospital, Soonchunhyang University, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, South Korea
| | - J W Park
- Division of Infectious Diseases, Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Soonchunhyang, University College of Medicine, 31 Suncheonhyang 6-gil, Dongnam-gu, Cheonan-si, Chungcheongnam-do, 31151, South Korea
| | - S Y Park
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, Soonchunhyang University Hospital, Soonchunhyang University, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, South Korea
| | - B-J Kim
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
| | - T H Kim
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, Soonchunhyang University Hospital, Soonchunhyang University, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, South Korea
| | - K Suh
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, University College of Medicine, Soonchunhyang, Seoul, 04401, South Korea
| | - J-M Koh
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
| | - S H Lee
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea.
| | - D-W Byun
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, University College of Medicine, Soonchunhyang, Seoul, 04401, South Korea.
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Moon IK, Lee SR, Choi EK, Lee EJ, Jung JH, Han KD, Cha MJ, Oh SI, Lip GYH. P4780Effectiveness and safety of non-vitamin k antagonist oral anticoagulants in patients with atrial fibrillation and valvular heart disease. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1156] [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
Patients with atrial fibrillation (AF) often have concomitant valvular heart disease (VHD), especially in Asia. There are limited data on non-vitamin K antagonist oral anticoagulants (NOAC) impact on outcomes for stroke prevention and bleeding for these patients in real world clinical practice.
Purpose
To investigate the effectiveness and safety of NOACs compared with warfarin in patients with AF and associated Evaluated Heartvalves, Rheumatic or Artificial (EHRA) type 2 VHD.
Methods
We identified oral anticoagulants naive patients with AF and EHRA type 2 VHD from the Korean National Health Insurance Service database between 2014 and 2016 (n=2,671 taking warfarin; n=3,058 taking NOAC). Six clinical outcomes including ischemic stroke, intracranial hemorrhage (ICH), gastrointestinal bleeding (GI), major bleeding, all-cause death, and their composite outcome and fatal clinical events (any events that led to death within 30-day of its occurrence) were evaluated. Inverse probability of treatment weighting (IPTW) method was used to balance covariates between the two groups.
Results
After weighted using 5% trimmed IPTW method (n=2371 taking warfarin; n=2792 taking NOAC), the mean age was 71.2 years, male was 57% and CHA2DS2-VASc score was 3.9. During a mean 1.4-year follow-up, weighted incidence rate of ischemic stroke, ICH, GI bleeding, and all-cause death were lower in the NOAC group than in the warfarin group. Compared to warfarin, NOACs were associated with lower risks of ischemic stroke (hazard ratio [HR] 0.71, 95% confidence interval [CI] 0.53–0.96), GI bleeding (HR 0.50, 95% CI 0.35–0.72) and major bleeding (HR 0.61, 95% CI 0.45–0.80). Although NOAC and warfarin groups showed similar incidence rate of ICH, NOAC group was associated with a significantly lower risk of fatal ICH compared to warfarin group (HR 0.28, 95% CI 0.07–0.83). Overall, NOACs were associated with a lower risk of the composite outcome (HR 0.68, 95% CI 0.58–0.80). For an exploratory analysis, patients with EHRA type 1 VHD (n=366 taking warfarin; n=345 taking NOAC) was evaluated. In multivariable Cox regression analysis, NOAC group showed a comparable risk of ischemic stroke, ICH, all-cause death and composite outcome.
Clinical outcome in AF patients with VHD
Conclusion
In this nationwide Asian AF population with EHRA type 2 VHD, NOAC use was associated with lower risks of ischemic stroke, major bleeding, all-cause death, and the composite outcome compared to warfarin.
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Affiliation(s)
- I K Moon
- Seoul National University Hospital, Department of Internal Medicine, Seoul, Korea (Republic of)
| | - S R Lee
- Seoul National University Hospital, Department of Internal Medicine, Seoul, Korea (Republic of)
| | - E K Choi
- Seoul National University Hospital, Department of Internal Medicine, Seoul, Korea (Republic of)
| | - E J Lee
- Seoul National University Hospital, Department of Internal Medicine, Seoul, Korea (Republic of)
| | - J H Jung
- The Catholic University of Korea, Department of Medical Statistics, College of Medicine, Seoul, Korea (Republic of)
| | - K D Han
- The Catholic University of Korea, Department of Medical Statistics, College of Medicine, Seoul, Korea (Republic of)
| | - M J Cha
- Seoul National University Hospital, Department of Internal Medicine, Seoul, Korea (Republic of)
| | - S I Oh
- Seoul National University Hospital, Department of Internal Medicine, Seoul, Korea (Republic of)
| | - G Y H Lip
- Liverpool Heart and Chest Hospital, Liverpool Centre for Cardiovascular Science, Liverpool, United Kingdom
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Kwak MK, Lee EJ, Park JW, Park SY, Kim BJ, Kim TH, Suh K, Koh JM, Lee SH, Byun DW. CD4 T cell count is inversely associated with lumbar spine bone mass in HIV-infected men under the age of 50 years. Osteoporos Int 2019; 30:1501-1510. [PMID: 30915506 DOI: 10.1007/s00198-019-04942-7] [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] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 03/14/2019] [Indexed: 01/21/2023]
Abstract
UNLABELLED HIV-infected men under the age of 50 years had a lower bone mass compared to that of HIV-uninfected men. Lower CD4 T cell counts, independent of whether antiretroviral therapy (ART) was used, were associated with lower BMD. HIV-infected patients with low CD4 T cell counts may need follow-up and intervention regarding bone health, including younger patients. INTRODUCTION HIV-infected patients have a low bone mineral density (BMD) owing to multifactorial interaction between common osteoporosis risk factors and HIV-related factors, including chronic inflammation and ART. Although HIV infection and ART might affect bone metabolism, little data is available for patients aged under 50 years. We aimed to investigate the association of HIV infection-induced low CD4 T cell counts and ART with BMD in men aged under 50 years. METHODS We performed an age- and body mass index-matched case-control study. BMD values of HIV-infected and HIV-uninfected men (< 50 years) were compared, and HIV-infected men were stratified by CD4 T cell counts and ART use. RESULTS After adjusting confounders, HIV-infected men with CD4 T cell counts ≥ 500 cells/μL (n = 28) and < 500 cells/μL (n = 139) had lower BMD at the femoral neck (FN, p < 0.001) and total hip (TH, p < 0.001) than HIV-uninfected men (n = 167). HIV-infected men with CD4 T cell counts < 500/μL had lower BMD at the lumbar spine (LS, p = 0.034) than those with counts of ≥ 500 cells/μL, but not at FN and TH. The CD4 T cell count (γ = 0.169, p = 0.031) was positively correlated with BMD at LS. There was no significant difference in the BMD (p = 0.499-> 0.999) between the ART-naïve (n = 75) and ART-user group (n = 92). CONCLUSIONS Despite their relatively younger age, HIV-infected men had a lower BMD than HIV-uninfected men. Lower CD4 T cell counts, irrespective of ART, might result in lower bone mass.
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Affiliation(s)
- M K Kwak
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, 04401, South Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Hallym University Dontan Sacred Heart Hospital, 7, Keunjaebong-gil, Hwaseong-Si, Gyeonggi-Do, 18450, South Korea
| | - E J Lee
- Division of Infectious Diseases, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, South Korea
| | - J W Park
- Division of Infectious Diseases, Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, 31 Suncheonhyang 6-gil, Dongnam-gu, Cheonan-si, Chungcheongnam-do, 31151, South Korea
| | - S Y Park
- Division of Infectious Diseases, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, South Korea
| | - B -J Kim
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
| | - T H Kim
- Division of Infectious Diseases, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, South Korea
| | - K Suh
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, 04401, South Korea
| | - J -M Koh
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
| | - S H Lee
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea.
| | - D -W Byun
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, 04401, South Korea.
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Kim JY, Lee EJ, Park KH, Im SA, Kim SB, Sohn SH, Lee KS, Chae YS, Lee KH, Kim JH, Im YH, Kim TY, Lee KH, Ahn JH, Kim GM, Park IH, Lee SJ, Han HS, Kim SH, Jung KH, Park YH. Abstract P3-11-07: Exploratory biomarker analysis from a phase II, multicenter, randomized trial of eribulin plus gemcitabine(EG) versus paclitaxel plus gemcitabine(PG) as first-line chemotherapy for human epidermal growth factor receptor 2 (HER2)- negative metastatic breast cancer(MBC): Korean cancer study group trial (KCSG BR13-11). Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p3-11-07] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Introduction : A phase II, multicenter, randomized clinical trial of the comparison between eribulin plus gemcitabine (EG) and paclitaxel plus gemcitabine (PG) as first-line chemotherapy for patients with human epidermal growth factor receptor 2 (HER2)-negative metastatic breast cancer (MBC) found EG was less neurotoxic, but had similar efficacy of PG. In this study, we performed exploratory biomarker analysis of the impact of genetic alterations on the efficacy according to EG and PG chemotherapy.
Methods : This biomarker study was conducted using tumor samples from 40patients. When tissue collection was possible after disease progression, we performed paired sample analysis. Tumor DNA and RNA were extracted from formalin-fixed, paraffin-embedded tissues. To perform targeted deep sequencing, we used CancerScanTM, a 375 cancer gene panel. And we performed an nCounter expression assay for gene expression analysis using 730 PanCancer panel and 730 Immune panel.
Results: In total, we obtained 44 tissue samples from 40 patients. Twenty two patients were assigned in EG arm and 18 patients were in PG arm. Thirty-eight were at baseline and six after disease progression. Gene expression assay were performed in 44 tissue samples but only 31 samples were possible to be targeted deep sequencing.
We performed differently expressed gene(DEG) analysis for detecting the association between level of gene expression and disease progression. In this analysis, high expression of CCNE1, TGFB4 and BAMBI and low expression of DDB2, CD14 and SHC3 were associated with disease progression among 730 PanCancer panel genes (p<0.05, respectively). In terms of immune panel genes, most of immune related genes were highly expressed in a group without disease progression compared with that with disease progression. Only 2 genes, C8G and CD24 were highly expressed in a group with disease progression. Paired sample analysis showed that expression levels of THBS4 and CD27 decreased after disease progression while those of CCNE2 and FGFR4 increased.
In targeted deep sequencing, FAT3 (42.3%) was most frequently mutated gene followed by PKHD1, PIK3CA and TP53. Among mutated genes, EWSR1 mutation and upstream mutation of ETV1 were associated with disease progression, respectively (p<0.05, respectively). In mutation signature analysis, signature 1 (S, age related), S3(homologous recombination deficiency, HRD), S6 (mismatch repair, MMR), S20(MMR) and S21(microsatellite instability, MSI) were enriched in this population. Mutation signature 3 related to short disease free survival (p=0.0026).
Conclusion: In gene expression analysis, high expression of TGF-B signaling pathway related genes was associated with disease progression while high expression of immune related genes were related to prolonged disease free survival. In mutation analysis, EWSR1 and ETV1 mutations indicated short disease free interval and HRD mutation signature was also related to poor prognosis.
Citation Format: Kim J-Y, Lee EJ, Park KH, Im S-A, Kim S-B, Sohn SH, Lee KS, Chae YS, Lee KH, Kim JH, Im Y-H, Kim T-Y, Lee K-H, Ahn J-H, Kim GM, Park IH, Lee SJ, Han HS, Kim SH, Jung KH, Park YH. Exploratory biomarker analysis from a phase II, multicenter, randomized trial of eribulin plus gemcitabine(EG) versus paclitaxel plus gemcitabine(PG) as first-line chemotherapy for human epidermal growth factor receptor 2 (HER2)- negative metastatic breast cancer(MBC): Korean cancer study group trial (KCSG BR13-11) [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P3-11-07.
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Affiliation(s)
- J-Y Kim
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - EJ Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - KH Park
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - S-A Im
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - S-B Kim
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - SH Sohn
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - KS Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - YS Chae
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - KH Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - JH Kim
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Y-H Im
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - T-Y Kim
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - K-H Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - J-H Ahn
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - GM Kim
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - IH Park
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - SJ Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - HS Han
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - SH Kim
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - KH Jung
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - YH Park
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Seoul National University Hospital, Cancer Research Institute, Seoul National University, College of Medicine, Seoul, Korea; Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Yonsei University College of Medicine, Seoul, Korea; Center for Breast Cancer, National Cancer Center, Goyang, Korea; Kyungpook National University Medical Center, Daegu, Korea; Chungbuk National University Hospital, Cheongju, Korea; Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
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10
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Hall MR, Bardayan DW, Baugher T, Lepailleur A, Pain SD, Ratkiewicz A, Ahn S, Allen JM, Anderson JT, Ayangeakaa AD, Blackmon JC, Burcher S, Carpenter MP, Cha SM, Chae KY, Chipps KA, Cizewski JA, Febbraro M, Hall O, Hu J, Jiang CL, Jones KL, Lee EJ, O'Malley PD, Ota S, Rasco BC, Santiago-Gonzalez D, Seweryniak D, Sims H, Smith K, Tan WP, Thompson P, Thornsberry C, Varner RL, Walter D, Wilson GL, Zhu S. Key ^{19}Ne States Identified Affecting γ-Ray Emission from ^{18}F in Novae. Phys Rev Lett 2019; 122:052701. [PMID: 30822026 DOI: 10.1103/physrevlett.122.052701] [Citation(s) in RCA: 1] [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: 08/17/2018] [Revised: 11/15/2018] [Indexed: 06/09/2023]
Abstract
Detection of nuclear-decay γ rays provides a sensitive thermometer of nova nucleosynthesis. The most intense γ-ray flux is thought to be annihilation radiation from the β^{+} decay of ^{18}F, which is destroyed prior to decay by the ^{18}F(p,α)^{15}O reaction. Estimates of ^{18}F production had been uncertain, however, because key near-threshold levels in the compound nucleus, ^{19}Ne, had yet to be identified. We report the first measurement of the ^{19}F(^{3}He,tγ)^{19}Ne reaction, in which the placement of two long-sought 3/2^{+} levels is suggested via triton-γ-γ coincidences. The precise determination of their resonance energies reduces the upper limit of the rate by a factor of 1.5-17 at nova temperatures and reduces the average uncertainty on the nova detection probability by a factor of 2.1.
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Affiliation(s)
- M R Hall
- Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - D W Bardayan
- Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - T Baugher
- Department of Physics and Astronomy, Rutgers University, New Brunswick, New Jersey 08903, USA
| | - A Lepailleur
- Department of Physics and Astronomy, Rutgers University, New Brunswick, New Jersey 08903, USA
| | - S D Pain
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - A Ratkiewicz
- Department of Physics and Astronomy, Rutgers University, New Brunswick, New Jersey 08903, USA
| | - S Ahn
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - J M Allen
- Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J T Anderson
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - A D Ayangeakaa
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - J C Blackmon
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - S Burcher
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - M P Carpenter
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - S M Cha
- Department of Physics, Sungkyunkwan University, Suwon 16419, South Korea
| | - K Y Chae
- Department of Physics, Sungkyunkwan University, Suwon 16419, South Korea
| | - K A Chipps
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - J A Cizewski
- Department of Physics and Astronomy, Rutgers University, New Brunswick, New Jersey 08903, USA
| | - M Febbraro
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - O Hall
- Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
- Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
| | - J Hu
- Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - C L Jiang
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - K L Jones
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - E J Lee
- Department of Physics, Sungkyunkwan University, Suwon 16419, South Korea
| | - P D O'Malley
- Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - S Ota
- Physics Division, Lawrence Livermore National Laboratory, Livermore, California 94551, USA
| | - B C Rasco
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - D Santiago-Gonzalez
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - D Seweryniak
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - H Sims
- Department of Physics and Astronomy, Rutgers University, New Brunswick, New Jersey 08903, USA
- Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
| | - K Smith
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - W P Tan
- Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - P Thompson
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - C Thornsberry
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - R L Varner
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - D Walter
- Department of Physics and Astronomy, Rutgers University, New Brunswick, New Jersey 08903, USA
| | - G L Wilson
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA
- Department of Physics and Applied Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USA
| | - S Zhu
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
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11
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Shin EJ, Seo JK, Lee EJ, Lee ES, Shin MK. Diagnostic utility of skin autofluorescence when patch test results are doubtful. Skin Res Technol 2018; 25:96-99. [PMID: 30055047 DOI: 10.1111/srt.12615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/23/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND The standard diagnostic test for allergic contact dermatitis is the patch test, which can also be used to identify irritant contact dermatitis. Doubtful reactions (?+) can be often clinically relevant to individuals and can require additional tests. OBJECTIVES The purpose of this study was to examine whether autofluorescence (AF) measurements in patients with doubtful reactions are helpful in diagnosing contact dermatitis. METHODS Patients with a history of contact dermatitis were patch tested on the upper back for 48-hours of occlusion using aqueous solutions of 5% sodium lauryl sulfate. Reaction intensity was scored, and AF was measured on reactive lesions and non-lesions. Three dermatologists classified the results as positive or negative using the fluorescence photographs of patients with a doubtful reaction. RESULTS Among doubtful reactions, the R/G% values were significantly higher in the AF- based positive group than in the negative group (P = .0086). On the other hand, the heterogeneity values of R, G, and B (HR, HG, HB) were significantly lower in the AF-based positive group (P = .0026, .0046, .0004 respectively). CONCLUSIONS Measuring AF along with the clinical readings can help confirm doubtful patch test reactions.
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Affiliation(s)
- E-J Shin
- Department of Dermatology, School of Medicine, Kyung Hee University, Seoul, Korea
| | - J-K Seo
- Department of Dermatology, School of Medicine, Kyung Hee University, Seoul, Korea
| | - E J Lee
- Skin Research Center/DERMAPRO Ltd., Seoul, Korea
| | - E S Lee
- Skin Research Center/DERMAPRO Ltd., Seoul, Korea
| | - M K Shin
- Department of Dermatology, School of Medicine, Kyung Hee University, Seoul, Korea
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Lee SR, Choi EK, Lee EJ, Choe WS, Cha MJ, Oh S. P353Evaluation of optimal Ablation Index for pulmonary vein isolation in patients with atrial fibrillation (OPTIMUM study): early experience of applying Ablation Index. Europace 2018. [DOI: 10.1093/europace/euy015.164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- S R Lee
- Soon Chun Hyang University Hospital Seoul, Department of Internal medicine, Seoul, Korea Republic of
| | - E K Choi
- Seoul National University Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea Republic of
| | - E J Lee
- Seoul National University Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea Republic of
| | - W S Choe
- Seoul National University Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea Republic of
| | - M J Cha
- Seoul National University Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea Republic of
| | - S Oh
- Seoul National University Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea Republic of
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Kim M, Lee EJ, Shin HM, Jung HS, Kim TK, Kim TN, Kwon MJ, Lee SH, Rhee BD, Park JH. The effect of PPARγ agonist on SGLT2 and glucagon expressions in alpha cells under hyperglycemia. J Endocrinol Invest 2017; 40:1069-1076. [PMID: 28391584 DOI: 10.1007/s40618-017-0659-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 03/17/2017] [Indexed: 12/28/2022]
Abstract
BACKGROUND Although sodium glucose cotransporter 2 (SGLT2) inhibitors have many beneficial effects for type 2 diabetes, including decreased cardiovascular death, recent reports that they increased glucagon through SGLT2 inhibition raised some concern. Troglitazone, Peroxisome proliferator-activated receptor γ (PPAR-γ) agonist, was reported to increase SGLT2 in renal proximal tubule cells, but its role on pancreatic alpha cells have not been reported. We investigated the effect of troglitazone on SGLT2 expression in alpha cells and subsequent glucagon regulation in hyperglycemia. METHODS An Alpha TC1-6 cell line was cultured in control (5 mM) or hyperglycemia (HG, 15 mM) for 72 h. We applied troglitazone with or without PPARγ antagonist (GW9662 10 μM). To investigate the involvement of PI3K/Akt pathway, we applied troglitazone with or without Wortmanin. We measured sodium glucose transporter 2 (SGLT2) and glucagon (GCG) mRNA and protein expression. PPAR gamma, PI3K and Akt protein were also measured. RESULTS Exposure of alpha TC cells to HG for 72 h increased glucagon mRNA and protein expression. HG decreased SGLT2 mRNA and protein expression. Troglitazone significantly reversed HG-induced reduction of SGLT2 expression and increase of glucagon secretion. PPARγ antagonist (GW9662 10 μM) decreased the expression of SGLT2 and increased glucagon as HG did. Hyperglycemia increased PI3K and pAkt expression in alpha cells. Wortmanin (PI3K inhibitor, 1 μM) reversed HG-induced SGLT2 decrease and glucagon increase. Troglitazone treatment decreased PI3K and pAkt expression in HG. CONCLUSION In conclusion, PPARγ agonist, troglitazone improved glucose transport SGLT2 dysfunction and subsequent glucagon dysregulation in alpha cell under hyperglycemia. Those effects were through the involvement of PI3K/pAkt signaling pathway. This study may add one more reason for the ideal combination of PPARγ agonist and SGLT2 inhibitor in clinical practice.
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Affiliation(s)
- M Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Inje University, 875, Hauendae-ro, Hauendae-gu, Busan, 612-862, South Korea.
- Molecular Therapy Lab, Paik Institute for Clinical Research, Inje University, Busan, South Korea.
| | - E J Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Inje University, 875, Hauendae-ro, Hauendae-gu, Busan, 612-862, South Korea
| | - H M Shin
- Molecular Therapy Lab, Paik Institute for Clinical Research, Inje University, Busan, South Korea
| | - H S Jung
- Molecular Therapy Lab, Paik Institute for Clinical Research, Inje University, Busan, South Korea
| | - T K Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Inje University, 875, Hauendae-ro, Hauendae-gu, Busan, 612-862, South Korea
| | - T N Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Inje University, 875, Hauendae-ro, Hauendae-gu, Busan, 612-862, South Korea
| | - M J Kwon
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Inje University, 875, Hauendae-ro, Hauendae-gu, Busan, 612-862, South Korea
| | - S H Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Inje University, 875, Hauendae-ro, Hauendae-gu, Busan, 612-862, South Korea
| | - B D Rhee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Inje University, 875, Hauendae-ro, Hauendae-gu, Busan, 612-862, South Korea
| | - J H Park
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Inje University, 875, Hauendae-ro, Hauendae-gu, Busan, 612-862, South Korea
- Molecular Therapy Lab, Paik Institute for Clinical Research, Inje University, Busan, South Korea
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14
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Hwang CS, Kim JW, Kim JW, Lee EJ, Kim CH, Yoon JH, Cho HJ. Comparison of robotic and coblation tongue base resection for obstructive sleep apnoea. Clin Otolaryngol 2017; 43:249-255. [PMID: 28800204 DOI: 10.1111/coa.12951] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2017] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To compare the efficacy and safety of transoral robotic surgery (TORS) with endoscope-guided coblation tongue base resection. DESIGN Retrospective case-control study. SETTING University-based tertiary care medical center. PARTICIPANTS Patients with obstructive sleep apnoea (OSA) who underwent endoscope-guided tongue base coblation resection or transoral robotic surgery (TORS) in combination with lateral pharyngoplasty at a single institution in South Korea between April 2013 and December 2016 were investigated. Forty-five patients who had moderate-to-severe OSA with tongue base collapse and a minimum follow-up period of 6 months with postoperative polysomnography (PSG) were enrolled in this study. MAIN OUTCOME MEASURES All patients underwent pre- and postoperative (at least 4 months after surgery) overnight PSG. Available information on results of the PSG, Epworth sleepiness scale and complications of the TORS and coblation groups were compared. RESULTS Postoperative PSG studies showed improved sleep quality for most patients. The mean postoperative apnoea-hypopnea index (AHI) was reduced significantly from 45.0 to 17.0 events/h (P < .0001) in the TORS group and from 45.6 to 16.2 events/h (P < .0001) in the coblation group. The mean rates of improvement (AHI reduction > 50%) were 75.0% in TORS patients and 62.1% in coblation patients and the difference was not significant. Less frequent postoperative morbidity, including bleeding, taste dysfunction and foreign body sensation, was recorded in TORS patients. CONCLUSIONS Both the coblation and TORS groups showed similar surgical outcomes, TORS achieved PSG results non-inferior to and complication rates comparable to coblation.
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Affiliation(s)
- C S Hwang
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - J W Kim
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - J W Kim
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - E J Lee
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - C-H Kim
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea.,The Airway Mucus Institute, Yonsei University College of Medicine, Severance Hospital, Seoul, Korea
| | - J-H Yoon
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea.,The Airway Mucus Institute, Yonsei University College of Medicine, Severance Hospital, Seoul, Korea
| | - H-J Cho
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea.,The Airway Mucus Institute, Yonsei University College of Medicine, Severance Hospital, Seoul, Korea
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15
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Brown BR, Lee EJ, Snow PE, Vance EE, Iwakura Y, Ohno N, Miura N, Lin X, Brown GD, Wells CA, Smith JR, Caspi RR, Rosenzweig HL. Fungal-derived cues promote ocular autoimmunity through a Dectin-2/Card9-mediated mechanism. Clin Exp Immunol 2017; 190:293-303. [PMID: 28763100 DOI: 10.1111/cei.13021] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2017] [Indexed: 12/14/2022] Open
Abstract
Uveitis (intraocular inflammation) is a leading cause of loss of vision. Although its aetiology is largely speculative, it is thought to arise from complex genetic-environmental interactions that break immune tolerance to generate eye-specific autoreactive T cells. Experimental autoimmune uveitis (EAU), induced by immunization with the ocular antigen, interphotoreceptor retinoid binding protein (IRBP), in combination with mycobacteria-containing complete Freund's adjuvant (CFA), has many clinical and histopathological features of human posterior uveitis. Studies in EAU have focused on defining pathogenic CD4+ T cell effector responses, such as those of T helper type 17 (Th17) cells, but the innate receptor pathways precipitating development of autoreactive, eye-specific T cells remain poorly defined. In this study, we found that fungal-derived antigens possess autoimmune uveitis-promoting function akin to CFA in conventional EAU. The capacity of commensal fungi such as Candida albicans or Saccharomyces cerevisae to promote IRBP-triggered EAU was mediated by Card9. Because Card9 is an essential signalling molecule of a subgroup of C-type lectin receptors (CLRs) important in host defence, we evaluated further the proximal Card9-activating CLRs. Using single receptor-deficient mice we identified Dectin-2, but not Mincle or Dectin-1, as a predominant mediator of fungal-promoted uveitis. Conversely, Dectin-2 activation by α-mannan reproduced the uveitic phenotype of EAU sufficiently, in a process mediated by the Card9-coupled signalling axis and interleukin (IL)-17 production. Taken together, this report relates the potential of the Dectin-2/Card9-coupled pathway in ocular autoimmunity. Not only does it contribute to understanding of how innate immune receptors orchestrate T cell-mediated autoimmunity, it also reveals a previously unappreciated ability of fungal-derived signals to promote autoimmunity.
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Affiliation(s)
- B R Brown
- VA Portland Health Care System, Portland, OR, USA.,School of Medicine, Oregon Health and Science University, Portland, OR, USA
| | - E J Lee
- VA Portland Health Care System, Portland, OR, USA.,Department of Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, OR, USA
| | - P E Snow
- VA Portland Health Care System, Portland, OR, USA
| | - E E Vance
- VA Portland Health Care System, Portland, OR, USA.,Department of Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, OR, USA
| | - Y Iwakura
- Research Institute for Biomedical Sciences, Tokyo University of Science, Tokyo, Japan
| | - N Ohno
- Tokyo University of Pharmacy and Life Science, Tokyo, Japan
| | - N Miura
- Tokyo University of Pharmacy and Life Science, Tokyo, Japan
| | - X Lin
- Department of Molecular and Cellular Oncology, University of Texas, MD Anderson Cancer Center, Houston, TX, USA
| | - G D Brown
- Aberdeen Fungal Group, MRC Centre for Medical Mycology, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - C A Wells
- The University of Melbourne Centre for Stem Cell Systems, University of Melbourne, Parkville, Victoria, Australia
| | - J R Smith
- Eye and Vision Health, Flinders University School of Medicine, Adelaide, Australia
| | - R R Caspi
- Laboratory of Immunology, National Eye Institute, National Institutes of Health, Bethesda, MD, USA
| | - H L Rosenzweig
- VA Portland Health Care System, Portland, OR, USA.,Department of Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, OR, USA
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16
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Lee EJ, Lim KH. Hardly water-soluble drug-loaded gelatin nanoparticles sustaining a slow release: preparation by novel single-step O/W/O emulsion accompanying solvent diffusion. Bioprocess Biosyst Eng 2017; 40:1701-1712. [PMID: 28791518 DOI: 10.1007/s00449-017-1825-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 07/31/2017] [Indexed: 02/02/2023]
Abstract
Paclitaxel (PTX)-loaded gelatin nanoparticles (NPs) were prepared, for the first time, by novel O/W/O emulsion with a single-step emulsion process accompanying solvent diffusion, in contrast to the conventional double-step emulsion processes. Linoleic acid was chosen among the natural fatty acids as the exterior medium for the single-step emulsion process accompanying solvent diffusion. The size mean and zeta potential of the PTX-loaded gelatin NPs in their suspension were 164.95 nm (±6.43 nm) distributed with a polydispersity of 0.074 (±0.046) and -23.85 mV (±12.66 mV), respectively. The size of the PTX-loaded gelatin NPs prepared in this study was the smallest among the reported sizes of PTX-loaded gelatin NPs, which would contribute to the enhanced permeability and retention (EPR). In addition, TEM showed that the loaded PTX was located mostly inside the gelatin NPs unlike previous investigations. Accordingly, the conceptual model of the designed PTX-loaded gelatin nanoparticle was introduced. Sustaining a slow PTX release on a day-time scale without an initial burst release into a release medium was observed along with a delay of more than 2 days (i.e., 50 h) before a bursting PTX release from 50 to 70 h despite the addition of a protein degrading enzyme. The observed PTX-loading efficiency was 54.5%. This loading efficiency was greater than that of previous study using gelatin of bloom 75-100 of Lu et al. to prepare PTX-loaded gelatin NPs using a desolvation method.
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Affiliation(s)
- E J Lee
- Department of Chemical Engineering, College of Engineering, Daegu University, Kyungsan, Kyungpook, 712-714, Korea
| | - K-H Lim
- Department of Chemical Engineering, College of Engineering, Daegu University, Kyungsan, Kyungpook, 712-714, Korea.
- Laboratory of Pharmaceutical bio-nanomaterials, Daegu University, Kyungsan, Kyungpook, 712-714, Korea.
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17
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Kim JY, Lee EJ, Seo J, Oh SH. Impact of high-mobility group box 1 on melanocytic survival and its involvement in the pathogenesis of vitiligo. Br J Dermatol 2017; 176:1558-1568. [PMID: 27787879 DOI: 10.1111/bjd.15151] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/24/2016] [Indexed: 12/22/2022]
Abstract
BACKGROUND Vitiligo is attributable to loss of functional melanocytes and is the most common acquired depigmenting disorder. Oxidative stress and intense ultraviolet irradiation are known to aggravate this condition. The nonhistone high-mobility group box 1 (HMGB1) DNA-binding protein is a physiological activator of immune responses, cellular proliferation and cell death. Although it is implicated in the pathogenesis of autoimmune diseases and cutaneous disorders, the precise role of HMGB1 in melanocytes has yet to be studied. OBJECTIVES To elucidate the effect of HMGB1 on melanocytic survival and its involvement in the pathogenesis of vitiligo. METHODS Melanocytes were treated with recombinant HMGB1 (rHMGB1). Thereafter, apoptosis-, autophagy- and melanogenesis-related molecules were detected. Ex vivo skin organ culture was performed after rHMGB1 treatment. Also, levels of HMGB1 were examined in blood and skin specimens from patients with vitiligo. RESULTS In this study, rHMGB1 increased expression of cleaved caspase 3 and decreased melanin production and expression of melanogenesis-related molecules. rHMGB1-induced caspase 3 activation was confirmed through preincubation with a pan-caspase inhibitor. In ex vivo experiments for the confirmation of HMGB1-induced melanocyte apoptosis, melanocyte disappearance and increased caspase 3 activation were observed in rHMGB1-treated skin tissues. In Western blot analysis and enzyme-linked immunosorbent assay, patients with active vitiligo showed significantly higher blood levels of HMGB1 (vs. healthy controls). Also, greater expression of HMGB1 was observed in vitiliginous skin (vs. uninvolved skin). CONCLUSIONS External stimuli (e.g. oxidative stress and ultraviolet irradiation) may trigger HMGB1 release by keratinocytes, thereby perpetuating vitiligo through HMGB1-induced melanocytic apoptosis.
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Affiliation(s)
- J Y Kim
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - E J Lee
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - J Seo
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - S H Oh
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
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18
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Kim JH, Cho C, Lee EJ, Suh YS, Choi BI, Kim KS. Prevalence and risk factors of chronic rhinosinusitis in South Korea according to diagnostic criteria. Rhinology 2017; 54:329-335. [PMID: 27395040 DOI: 10.4193/rhino15.157] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND We aimed to compare the prevalence and risk factors of chronic rhinosinusitis (CRS) using two different diagnostic criteria with the same statistical data from the Korean National Health and Nutrition Examination Survey in 2009. METHODS Symptom-based CRS was defined as CRS diagnosed by questionnaires related to nasal symptoms. Endoscopy-based CRS was defined based on endoscopic findings and nasal symptoms of symptom-based CRS. RESULTS The overall prevalence of CRS based on the different diagnostic criteria was as follows: symptom-based CRS was 10.78% (797 of 7,394) and endoscopy-based CRS was 1.20% (88 of 7,343). Comparing symptom-based CRS to endoscopy-based CRS showed slight agreement (kappa = 0.183 (0.150-0.216, 95% confidence interval)). Allergic rhinitis was identified as a common risk factor for CRS based on the two diagnostic criteria. CONCLUSIONS The prevalence and risk factors of CRS were quite different from each other according to the different criteria, even in the same population. Therefore, it would be important to consider what specific diagnostic criteria have been adopted in the studies comparing the prevalence of CRS.
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Affiliation(s)
- J H Kim
- Department Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - C Cho
- Department Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - E J Lee
- Department Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - Y S Suh
- Department Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - B I Choi
- Department Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - K S Kim
- Department Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
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19
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Wu J, Nishimura S, Lorusso G, Möller P, Ideguchi E, Regan PH, Simpson GS, Söderström PA, Walker PM, Watanabe H, Xu ZY, Baba H, Browne F, Daido R, Doornenbal P, Fang YF, Gey G, Isobe T, Lee PS, Liu JJ, Li Z, Korkulu Z, Patel Z, Phong V, Rice S, Sakurai H, Sinclair L, Sumikama T, Tanaka M, Yagi A, Ye YL, Yokoyama R, Zhang GX, Alharbi T, Aoi N, Bello Garrote FL, Benzoni G, Bruce AM, Carroll RJ, Chae KY, Dombradi Z, Estrade A, Gottardo A, Griffin CJ, Kanaoka H, Kojouharov I, Kondev FG, Kubono S, Kurz N, Kuti I, Lalkovski S, Lane GJ, Lee EJ, Lokotko T, Lotay G, Moon CB, Nishibata H, Nishizuka I, Nita CR, Odahara A, Podolyák Z, Roberts OJ, Schaffner H, Shand C, Taprogge J, Terashima S, Vajta Z, Yoshida S. 94 β-Decay Half-Lives of Neutron-Rich _{55}Cs to _{67}Ho: Experimental Feedback and Evaluation of the r-Process Rare-Earth Peak Formation. Phys Rev Lett 2017; 118:072701. [PMID: 28256889 DOI: 10.1103/physrevlett.118.072701] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Indexed: 06/06/2023]
Abstract
The β-decay half-lives of 94 neutron-rich nuclei ^{144-151}Cs, ^{146-154}Ba, ^{148-156}La, ^{150-158}Ce, ^{153-160}Pr, ^{156-162}Nd, ^{159-163}Pm, ^{160-166}Sm, ^{161-168}Eu, ^{165-170}Gd, ^{166-172}Tb, ^{169-173}Dy, ^{172-175}Ho, and two isomeric states ^{174m}Er, ^{172m}Dy were measured at the Radioactive Isotope Beam Factory, providing a new experimental basis to test theoretical models. Strikingly large drops of β-decay half-lives are observed at neutron-number N=97 for _{58}Ce, _{59}Pr, _{60}Nd, and _{62}Sm, and N=105 for _{63}Eu, _{64}Gd, _{65}Tb, and _{66}Dy. Features in the data mirror the interplay between pairing effects and microscopic structure. r-process network calculations performed for a range of mass models and astrophysical conditions show that the 57 half-lives measured for the first time play an important role in shaping the abundance pattern of rare-earth elements in the solar system.
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Affiliation(s)
- J Wu
- School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - S Nishimura
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - G Lorusso
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
- National Physical Laboratory, NPL, Teddington, Middlesex TW11 0LW, United Kingdom
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - P Möller
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - E Ideguchi
- Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - P-H Regan
- National Physical Laboratory, NPL, Teddington, Middlesex TW11 0LW, United Kingdom
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - G S Simpson
- LPSC, Universite Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France
- School of Engineering, University of the West of Scotland, Paisley, PA1 2BE, United Kingdom
- Scottish Universities Physics Alliance, University of Glasgow, Glasgow, G12 8QQ, United Kingdom
| | - P-A Söderström
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - P M Walker
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - H Watanabe
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
- IRCNPC, School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
| | - Z Y Xu
- Department of Physics, the University of Hong Kong, Pokfulam Road, Hong Kong
- Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan
| | - H Baba
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - F Browne
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
- School of Computing Engineering and Mathematics, University of Brighton, Brighton, BN2 4GJ, United Kingdom
| | - R Daido
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
| | - P Doornenbal
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - Y F Fang
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
| | - G Gey
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
- LPSC, Universite Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France
- Institut Laue-Langevin, B.P. 156, F-38042 Grenoble Cedex 9, France
| | - T Isobe
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - P S Lee
- Department of Physics, Chung-Ang University, Seoul 156-756, Republic of Korea
| | - J J Liu
- Department of Physics, the University of Hong Kong, Pokfulam Road, Hong Kong
| | - Z Li
- School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - Z Korkulu
- Institute for Nuclear Research, Hungarian Academy of Sciences, P. O. Box 51, Debrecen, H-4001, Hungary
| | - Z Patel
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - V Phong
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
- Faculty of Physics, VNU Hanoi University of Science, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
| | - S Rice
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - H Sakurai
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
- Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan
| | - L Sinclair
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
- Department of Physics, University of York, Heslington, York, YO10 5DD, United Kingdom
| | - T Sumikama
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - M Tanaka
- Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - A Yagi
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
| | - Y L Ye
- School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - R Yokoyama
- Center for Nuclear Study (CNS), University of Tokyo, Wako-shi, Saitama 351-0198, Japan
| | - G X Zhang
- IRCNPC, School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
| | - T Alharbi
- Department of Physics, College of Science in Zulfi, Almajmaah University, P.O. Box 1712, 11932, Saudi Arabia
| | - N Aoi
- Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan
| | | | - G Benzoni
- INFN, Sezione di Milano, via Celoria 16, I-20133 Milano, Italy
| | - A M Bruce
- School of Computing Engineering and Mathematics, University of Brighton, Brighton, BN2 4GJ, United Kingdom
| | - R J Carroll
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - K Y Chae
- Department of Physics, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Z Dombradi
- Institute for Nuclear Research, Hungarian Academy of Sciences, P. O. Box 51, Debrecen, H-4001, Hungary
| | - A Estrade
- School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - A Gottardo
- Dipartimento di Fisica dellUniversit' degli Studi di Padova, I-35131 Padova, Italy
- INFN, Laboratori Nazionali di Legnaro, Legnaro I-35020, Italy
| | - C J Griffin
- School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
| | - H Kanaoka
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
| | - I Kojouharov
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - F G Kondev
- Nuclear Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - S Kubono
- RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - N Kurz
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - I Kuti
- Institute for Nuclear Research, Hungarian Academy of Sciences, P. O. Box 51, Debrecen, H-4001, Hungary
| | - S Lalkovski
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - G J Lane
- Department of Nuclear Physics, R.S.P.E., Australian National University, Canberra, A.C.T. 0200, Australia
| | - E J Lee
- Department of Physics, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - T Lokotko
- Department of Physics, the University of Hong Kong, Pokfulam Road, Hong Kong
| | - G Lotay
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - C-B Moon
- Hoseo University, Asan, Chungnam 336-795, Korea
| | - H Nishibata
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
| | - I Nishizuka
- Department of Physics, Tohoku University, Aoba, Sendai, Miyagi 980-8578, Japan
| | - C R Nita
- School of Computing Engineering and Mathematics, University of Brighton, Brighton, BN2 4GJ, United Kingdom
- Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH), RO-077125 Bucharest, Romania
| | - A Odahara
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
| | - Zs Podolyák
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - O J Roberts
- School of Physics, University College Dublin, Belfield, Dublin 4, Ireland
| | - H Schaffner
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - C Shand
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - J Taprogge
- Departamento de Fsica Teórica, Universidad Autónoma de Madrid, E-28049 Madrid, Spain
- Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain
| | - S Terashima
- IRCNPC, School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
| | - Z Vajta
- Institute for Nuclear Research, Hungarian Academy of Sciences, P. O. Box 51, Debrecen, H-4001, Hungary
| | - S Yoshida
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
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Choi YS, Lee EJ, Cho Y. The effect of Korean-group cognitive behavioural therapy among patients with panic disorder in clinic settings. J Psychiatr Ment Health Nurs 2017; 24:28-40. [PMID: 27774709 DOI: 10.1111/jpm.12337] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/18/2016] [Indexed: 11/29/2022]
Abstract
UNLABELLED WHAT IS KNOWN ON THE SUBJECT?: Panic disorder patients display various panic-related physical symptoms and catastrophic misinterpretation of bodily sensations, which lower their quality of life by interfering with daily activities. Cognitive behavioural therapy (CBT) is a useful strategy for panic disorder patients to manage symptoms associated with inaccurate cognitive interpretation of situations resulting from the patient's cognitive vulnerability. In South Korea, however, despite the increasing prevalence of panic disorder, CBT is not a common element of nursing care plans for panic disorder patients. Moreover, few Korean researchers have attempted to assess the effects of CBT on such patients. WHAT THIS PAPER ADD TO EXISTING KNOWLEDGE?: In a strategy combining CBT and routine treatments, patients with panic disorder can experience greater positive effects in the acute treatment phase than those they experience when receiving only routine treatment. WHAT ARE THE IMPLICATIONS FOR PRACTICE?: Mental health professionals, especially psychiatric nurses in local clinics who operate most special mental health programmes for panic disorder patients, should apply a panic disorder management programme that integrates CBT and routine treatments. The integrated approach is more effective for reducing the number of panic attacks and cognitive misinterpretation in patients than providing routine treatment alone. For patients with panic disorder, the objective of CBT is to understand the relationship between psychological panic disorder sensations, emotions, thoughts and behaviours. Therefore, nurses can help patients address and improve biological, social and psychological aspects of physical health problems as well as help them improve their coping skills in general. ABSTRACT Introduction In panic disorder, sensitivity to bodily sensations increases due to the patient's cognitive vulnerability. Cognitive behavioural therapy (CBT) can help to decrease sensitivity to bodily sensations by correcting these cognitive distortions by controlling negative thoughts and panic attacks. Aims This study verified whether group CBT is more effective than treatment as usual (TAU) in South Korean patients with panic disorder. Methods The study participants consisted of 76 panic disorder patients. Patients in the therapy condition attended sessions once a week for a total of 12 sessions in addition to drug treatment. Results In the therapy condition, there were significant decreases in panic-related bodily sensations and ranking and belief scores for catastrophic misinterpretation of external events. Discussion Group CBT, in comparison to TAU, decreases panic and agoraphobia symptom severity in South Korean patients with panic disorder. Our study provides evidence for the effectiveness of a panic disorder management programme that integrates group CBT and traditional pharmacotherapeutic treatment for patients with panic disorder. Implications for Practice The cognitive behavioural approach is needed to reduce panic and agoraphobia symptoms for hospitalized patients with panic disorder more than activity therapies, medications and supportive counselling by doctors and nurses.
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Affiliation(s)
- Y S Choi
- Department of Nursing, Andong Science College, Andong, South Korea
| | - E J Lee
- College of Nursing, Keimyung University, Deagu, South Korea
| | - Y Cho
- Department of Psychology, Hallym University, Chuncheon, South Korea
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Joo HJ, Lee TJ, Lee SH, Lee EJ. Lymphangioma Arising From the Ovary. Lymphology 2016; 49:21-26. [PMID: 29906061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Primary lymphangioma arising from the ovary is a rare tumor, with only 24 cases reported to date. As it is often accompanied by ascites or recurrence, similar to a malignant tumor, an aggressive treatment approach is used for disease control. In this report, we describe a 75-year-old woman with a left ovarian lymphangioma that increased in size during the menopause period. Microscopic examination of the tumor showed thin-walled multilocular cystic spaces and immunoreactivity for D2-40, a specific marker for lymphatic endothelium, lining the cystic spaces. The patient has been doing well for 5 years postoperatively. Ovarian cystic lymphangioma should be included in the differential diagnosis of an ovarian cyst and long-term follow-up is recommended to exclude malignant behavior. We also summarize a total of 25 cases, including the case presented here.
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Oh JY, Sim JK, Jung WJ, Min KH, Lee EJ, Hur GY, Lee SY, Lee SY, Kwon AM, Kim JH, Shin C, Shim JJ, In KH, Kang KH, Lee SH. Association between interleukin-27 polymorphisms and pulmonary tuberculosis. Int J Tuberc Lung Dis 2016; 19:702-8. [PMID: 25946363 DOI: 10.5588/ijtld.14.0773] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE To investigate the effect of interleukin (IL) 27 -964A/G, 2095T/G, 4603G/A and 4730T/C gene polymorphisms on the development of pulmonary tuberculosis (PTB), radiographic characteristics and severity. DESIGN Differences in the allele and genotype distributions of the -964A/G, 2095T/G, 4603G/A and 4730T/C polymorphisms between 224 PTB patients and 233 healthy controls, between patients with single- and multi-lobe involvement, and between patients with and without cavitation, were investigated. Serum IL-27 concentration was measured using an enzyme-linked immunosorbent assay. RESULTS There were no significant differences in the allele or genotype distributions between PTB patients and healthy controls. However, the -964A/A genotype was more prevalent in patients with single-lobe involvement than the -964A/G or -964G/G genotype in patients with multi-lobe involvement (50.0% vs. 31.3%, P = 0.01). There was no difference between patients with and without cavitation (P > 0.05). Serum median IL-27 concentration was significantly higher in patients with single-lobe involvement than in those with multi-lobe involvement (P = 0.03) and in those with -964A/A genotypes than in those with -964A/G or -964G/G genotypes (P = 0.02). CONCLUSIONS In terms of serum IL-27 levels, the -964 A/A genotype may be associated with a protective role that prevents the intrapulmonary spread of PTB rather than its development.
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Affiliation(s)
- J Y Oh
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - J K Sim
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - W J Jung
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - K H Min
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - E J Lee
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - G Y Hur
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - S Y Lee
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - S Y Lee
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - A M Kwon
- Division of Pulmonary, Sleep and Critical Care Medicine, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Republic of Korea
| | - J H Kim
- Division of Pulmonary, Sleep and Critical Care Medicine, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Republic of Korea
| | - C Shin
- Division of Pulmonary, Sleep and Critical Care Medicine, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Republic of Korea
| | - J J Shim
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - K H In
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - K H Kang
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - S H Lee
- Division of Pulmonary, Sleep and Critical Care Medicine, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Republic of Korea
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Song KJ, Lee EJ, Lee JM, Jo GH, Kim KS. The effect of caudal septoplasty on nasal angle parameters: a report on 69 cases. Clin Otolaryngol 2016; 41:185-9. [PMID: 26095542 DOI: 10.1111/coa.12478] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2015] [Indexed: 11/29/2022]
Affiliation(s)
- K J Song
- Department of Otorhinolaryngology, International St. Mary's Hospital, Catholoic Kwandong University, Incheon, Korea
| | - E J Lee
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - J M Lee
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - G-H Jo
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
| | - K-S Kim
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
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Dillon SM, Lee EJ, Kotter CV, Austin GL, Gianella S, Siewe B, Smith DM, Landay AL, McManus MC, Robertson CE, Frank DN, McCarter MD, Wilson CC. Gut dendritic cell activation links an altered colonic microbiome to mucosal and systemic T-cell activation in untreated HIV-1 infection. Mucosal Immunol 2016; 9:24-37. [PMID: 25921339 PMCID: PMC4626441 DOI: 10.1038/mi.2015.33] [Citation(s) in RCA: 148] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Accepted: 03/03/2015] [Indexed: 02/04/2023]
Abstract
HIV-1-associated disruption of intestinal homeostasis is a major factor contributing to chronic immune activation and inflammation. Dendritic cells (DCs) are crucial in maintaining intestinal homeostasis, but the impact of HIV-1 infection on intestinal DC number and function has not been extensively studied. We compared the frequency and activation/maturation status of colonic myeloid DC (mDC) subsets (CD1c(+) and CD1c(neg)) and plasmacytoid DCs in untreated HIV-1-infected subjects with uninfected controls. Colonic mDCs in HIV-1-infected subjects had increased CD40 but decreased CD83 expression, and CD40 expression on CD1c(+) mDCs positively correlated with mucosal HIV-1 viral load, with mucosal and systemic cytokine production, and with frequencies of activated colon and blood T cells. Percentage of CD83(+)CD1c(+) mDCs negatively correlated with frequencies of interferon-γ-producing colon CD4(+) and CD8(+) T cells. CD40 expression on CD1c(+) mDCs positively associated with abundance of high prevalence mucosal Prevotella copri and Prevotella stercorea but negatively associated with a number of low prevalence mucosal species, including Rumminococcus bromii. CD1c(+) mDC cytokine production was greater in response to in vitro stimulation with Prevotella species relative to R. bromii. These findings suggest that, during HIV infection, colonic mDCs become activated upon exposure to mucosal pathobiont bacteria leading to mucosal and systemic immune activation.
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Affiliation(s)
- S M Dillon
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - E J Lee
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - C V Kotter
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - G L Austin
- Department of Gastroenterology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - S Gianella
- Division of Infectious Diseases, University of California San Diego, La Jolla, California, USA
| | - B Siewe
- Department of Immunology-Microbiology, Rush University Medical Center, Chicago, Illinois, USA
| | - D M Smith
- Division of Infectious Diseases, University of California San Diego, La Jolla, California, USA
| | - A L Landay
- Department of Immunology-Microbiology, Rush University Medical Center, Chicago, Illinois, USA
| | - M C McManus
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - C E Robertson
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- University of Colorado Microbiome Research Consortium, Aurora, Colorado, USA
| | - D N Frank
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- University of Colorado Microbiome Research Consortium, Aurora, Colorado, USA
| | - M D McCarter
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - C C Wilson
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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Vo TN, Shah SR, Lu S, Tatara AM, Lee EJ, Roh TT, Tabata Y, Mikos AG. Injectable dual-gelling cell-laden composite hydrogels for bone tissue engineering. Biomaterials 2015; 83:1-11. [PMID: 26773659 DOI: 10.1016/j.biomaterials.2015.12.026] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 12/15/2015] [Accepted: 12/19/2015] [Indexed: 02/07/2023]
Abstract
The present work investigated the osteogenic potential of injectable, dual thermally and chemically gelable composite hydrogels for mesenchymal stem cell (MSC) delivery in vitro and in vivo. Composite hydrogels comprising copolymer macromers of N-isopropylacrylamide were fabricated through the incorporation of gelatin microparticles (GMPs) as enzymatically digestible porogens and sites for cellular attachment. High and low polymer content hydrogels with and without GMP loading were shown to successfully encapsulate viable MSCs and maintain their survival over 28 days in vitro. GMP incorporation was also shown to modulate alkaline phosphatase production, but enhanced hydrogel mineralization along with higher polymer content even in the absence of cells. Moreover, the regenerative capacity of 2 mm thick hydrogels with GMPs only, MSCs only, or GMPs and MSCs was evaluated in vivo in an 8 mm rat critical size cranial defect for 4 and 12 weeks. GMP incorporation led to enhanced bony bridging and mineralization within the defect at each timepoint, and direct bone-implant contact as determined by microcomputed tomography and histological scoring, respectively. Encapsulation of both GMPs and MSCs enabled hydrogel degradation leading to significant tissue infiltration and osteoid formation. The results suggest that these injectable, dual-gelling cell-laden composite hydrogels can facilitate bone ingrowth and integration, warranting further investigation for bone tissue engineering.
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Affiliation(s)
- T N Vo
- Department of Bioengineering, Rice University, P.O. Box 1892, MS 142, Houston, TX, 77251-1892, USA
| | - S R Shah
- Department of Bioengineering, Rice University, P.O. Box 1892, MS 142, Houston, TX, 77251-1892, USA
| | - S Lu
- Department of Bioengineering, Rice University, P.O. Box 1892, MS 142, Houston, TX, 77251-1892, USA
| | - A M Tatara
- Department of Bioengineering, Rice University, P.O. Box 1892, MS 142, Houston, TX, 77251-1892, USA
| | - E J Lee
- Department of Bioengineering, Rice University, P.O. Box 1892, MS 142, Houston, TX, 77251-1892, USA
| | - T T Roh
- Department of Bioengineering, Rice University, P.O. Box 1892, MS 142, Houston, TX, 77251-1892, USA
| | - Y Tabata
- Department of Biomaterials, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
| | - A G Mikos
- Department of Bioengineering, Rice University, P.O. Box 1892, MS 142, Houston, TX, 77251-1892, USA; Department of Chemical and Biomolecular Engineering, Rice University, P.O. Box 1892, MS 362, Houston, TX, 77251-1892, USA.
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Park HY, Lee EJ, Ryu YW, Kim Y, Kim H, Lee H, Yi SJ. Epidemiological investigation of MERS-CoV spread in a single hospital in South Korea, May to June 2015. ACTA ACUST UNITED AC 2015; 20:1-6. [PMID: 26132766 DOI: 10.2807/1560-7917.es2015.20.25.21169] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In this report, we describe 37 MERS-CoV infection cases (1 primary, 25 secondary, 11 tertiary cases) in a single hospital in South Korea. The median incubation period was six days (95% CI: 4–7 days) and the duration between suspected symptom onset and laboratory confirmation was 6.5 days (95% CI: 4–9). While incubation period was two days longer, the duration from suspected symptom onset to confirmation was shorter in tertiary compared with secondary infections.
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Affiliation(s)
- H Y Park
- Gyeonggi Infectious Disease Control Center, Seongnam, Gyeonggi, Republic of Korea
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Kwon KJ, Lee EJ, Kim MK, Jeon SJ, Choi YY, Shin CY, Han SH. The potential role of melatonin on sleep deprivation-induced cognitive impairments: implication of FMRP on cognitive function. Neuroscience 2015; 301:403-14. [PMID: 26047724 DOI: 10.1016/j.neuroscience.2015.05.079] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 05/05/2015] [Accepted: 05/29/2015] [Indexed: 12/31/2022]
Abstract
While prolonged sleep deprivation (SD) could lead to profound negative health consequences, such as impairments in vital biological functions of immunity and cognition, melatonin possesses powerful ameliorating effects against those harmful insults. Melatonin has strong antioxidant and anti-inflammatory effects that help to restore body's immune and cognitive functions. In this study, we investigated the possible role of melatonin in reversing cognitive dysfunction induced by SD in rats. Our experimental results revealed that sleep-deprived animals exhibited spatial memory impairment in the Morris water maze tasks compared with the control groups. Furthermore, there was an increased glial activation most prominent in the hippocampal region of the SD group compared to the normal control (NC) group. Additionally, markers of oxidative stress such as 4-hydroxynonenal (4-HNE) and 7,8-dihydro-8-oxo-deoxyguanine (8-oxo-dG) were significantly increased, while fragile X-mental retardation protein (FMRP) expression was decreased in the SD group. Interestingly, melatonin treatment normalized these events to control levels following SD. Our data demonstrate that SD induces oxidative stress through glial activation and decreases FMRP expression in the neurons. Furthermore, our results suggest the efficacy of melatonin for the treatment of sleep-related neuronal dysfunction, which occurs in neurological disorders such as Alzheimer's disease and autism.
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Affiliation(s)
- K J Kwon
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea; Department of Neurology, Konkuk University Medical Center, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - E J Lee
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - M K Kim
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - S J Jeon
- Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul 130-701, Republic of Korea
| | - Y Y Choi
- Department of Biomedical Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand
| | - C Y Shin
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - S-H Han
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea; Department of Neurology, Konkuk University Medical Center, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea.
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Jang JS, Lee KS, Lee EJ, Kwon MS, Kim TW. Enhancement of the Color Rendering Index of White Organic Light-Emitting Devices Based on a Blue and Red Emitting Layer with a Y3Al5O12:Ce3+ Green Phosphor Color-Conversion Layer. J Nanosci Nanotechnol 2015; 15:562-565. [PMID: 26328402 DOI: 10.1166/jnn.2015.8304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
White organic light-emitting devices (WOLEDs) were fabricated utilizing blue and red emitting organic light-emitting devices and a color conversion layer (CCL) made of yttrium aluminum garnet (YAG:Ce3+) phosphors embedded into polymethylmethacrylate. The good color balance for the color conversion of the WOLEDs was achieved utilizing 20-nm blue and 10-nm red OLEDs. The electroluminescence spectrum for the fabricated device showed a white color consisting of the blue color from the 4,4-bis(2,2-diphenylethen-1-yl)bipheny layer, the red color from the tris-(8-hydroxyquinolinato) aluminum: 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran layer, and the green color from the YAG:Ce3+ phosphor. The Commission Internationale de l'Eclairage coordinates of the WOLEDs slightly shifted from (0.25, 0.23) of the blue and red emission OLEDs without phosphors to (0.34, 0.35) of the OLEDs with green phosphors, indicative of the pure white color. WOLEDs with a CCL exhibited three wavelength white emissions with a color rendering index of 86.
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Lee YK, Ko JS, Rhim HY, Lee EJ, Karcher K, Li H, Shapiro D, Lee HS. Acute postoperative pain relief with immediate-release tapentadol: randomized, double-blind, placebo-controlled study conducted in South Korea. Curr Med Res Opin 2014; 30:2561-70. [PMID: 25133962 DOI: 10.1185/03007995.2014.954665] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To broaden the ethnic groups in which tapentadol IR is evaluated for treating acute postoperative pain to include Asians. METHODS In this phase 3, multicenter, double-blind, randomized study, 352 Korean adults with moderate-to-severe pain following hallux valgus surgery received tapentadol IR 50 or 75 mg or placebo orally every 4-6 hours for 72 hours. Patients requesting other (rescue) analgesics during this period were discontinued for lack of efficacy. The primary endpoint, sum of pain intensity difference (SPID) over 48 hours, was evaluated based on the difference between tapentadol IR and placebo in least squares (LS) mean change from baseline using analysis of covariance (ANCOVA). Secondary endpoints included the time to first rescue medication use and the distribution of responder rates. RESULTS A treatment effect, favoring tapentadol IR, was observed for SPID48 (p < 0.001 for both doses vs. placebo, ANCOVA). The between-group difference (vs. placebo) in LS means of SPID48 was 76.4 (95% CI: 51.0, 101.7) for tapentadol IR 50 mg and 90.6 (95% CI: 65.1, 116.1) for tapentadol IR 75 mg. Time to first rescue medication use was delayed for tapentadol IR (p < 0.001 for both doses vs. placebo; log-rank test). The distribution of responders at 12, 24, 48, and 72 hours favored tapentadol IR (p ≤ 0.001 for both doses vs. placebo; Cochran-Mantel-Haenszel test). Dizziness, nausea, and vomiting were each reported in ≥ 10% tapentadol-treated patients and at an incidence ≥ 2-fold higher vs. placebo. The study findings may be limited by study drug dosing every 4 to 6 hours and frequent monitoring during treatment, neither of which mimic pain treatment in clinical practice. However, any potential bias based on this systematic monitoring of patients would be mitigated by the randomized, double-blind nature of the study, with all treatment groups similarly affected by such biases, if any. CONCLUSIONS Tapentadol IR reduced acute pain intensity, significantly more than placebo, after orthopedic surgery in Korean patients. CLINICAL TRIAL REGISTRATION NCT01516008.
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Affiliation(s)
- Y K Lee
- Department of Orthopedic Surgery, Soonchunhyang University Hospital Bucheon , Bucheon-Si, Gyeonggi-Do , South Korea
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Abstract
WHAT IS KNOWN AND OBJECTIVE Atrial fibrillation (AF) is the predominant dysrhythmia affecting approximately 2·4 million people in the United States and over 6 million Europeans. Dronedarone is a benzofuran derivative of amiodarone newly approved in 2009 for the treatment of AF. Here, we comment on the efficacy and safety of dronedarone in patients with AF. COMMENT Eight randomized controlled trials were analysed in this article. Several trials showed that dronedarone therapy delayed AF recurrence, controlled ventricular rate and reduced incidences of hospitalization or death. However, some of the studies were terminated early due to an excess mortality rate. Further studies on long-term safety and trials on direct comparison to rate controlling medications are suggested to obtain additional insight of dronedarone. WHAT IS NEW AND CONCLUSION Dronedarone reduces the incidence of AF recurrences, hospitalization and death in patients with paroxysmal or persistent AF. However, dronedarone should not be used in high-risk patients with permanent AF or patients with unstable chronic heart failure (HF) due to safety concerns.
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Kim JH, Kang SW, Lee EJ, Kim J, Kim SJ, Ahn J. Temporal changes in foveal contour after macular hole surgery. Eye (Lond) 2014; 28:1355-63. [PMID: 25233817 DOI: 10.1038/eye.2014.217] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Accepted: 08/11/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND To investigate the changes in inner foveal contour after surgery for macular hole (MH) and its clinical implications. METHODS This retrospective observational case series included 66 eyes from 66 patients who underwent surgery for MH. Notching of tissue was defined as an abrupt alteration in the inner contour of the parafoveal tissue based on postoperative optical coherence tomography (OCT) image. The distance between the parafoveal edges of the outer plexiform layer (OPL) was defined as the inter-OPL distance. The inter-OPL distance was divided into nasal, temporal, superior, and inferior lengths. The difference in the lengths of each direction between the early and late postoperative period was compared between directions with and without notching. RESULTS The early and late postoperative examination was performed at 4.6±2.9 weeks and 6.2±0.6 months, respectively. Notching of tissue was noted in 54 eyes (81.8%). In 53 eyes with a measurable inter-OPL distance, the notching of tissue was noted in 45 eyes (84.9%) regardless of preoperative MH size. The mean amount of foveal tissue elongation that occurred during the designated period was 104.6±68.8 and 78.4±72.9 μm in the directions with and without the notching of tissue (P<0.001), respectively. CONCLUSIONS The changes in the inner foveal contour, including notching of tissue and elongation of foveal tissue, were noted in the majority of eyes after MH surgery. Notching of tissue on OCT image could be a clinical marker for the development of foveal tissue elongation after MH surgery.
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Affiliation(s)
- J H Kim
- Department of Ophthalmology, Kim's Eye Hospital, Konyang University College of Medicine, Seoul, Korea
| | - S W Kang
- Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - E J Lee
- Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - J Kim
- Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - S J Kim
- Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - J Ahn
- Department of Ophthalmology, Boramae Medical Center, Seoul, Korea
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Dillon SM, Lee EJ, Kotter CV, Austin GL, Dong Z, Hecht DK, Gianella S, Siewe B, Smith DM, Landay AL, Robertson CE, Frank DN, Wilson CC. An altered intestinal mucosal microbiome in HIV-1 infection is associated with mucosal and systemic immune activation and endotoxemia. Mucosal Immunol 2014; 7:983-94. [PMID: 24399150 PMCID: PMC4062575 DOI: 10.1038/mi.2013.116] [Citation(s) in RCA: 344] [Impact Index Per Article: 34.4] [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: 10/09/2013] [Revised: 11/25/2013] [Accepted: 11/27/2013] [Indexed: 02/08/2023]
Abstract
Human immunodeficiency virus-1 (HIV-1) infection disrupts the intestinal immune system, leading to microbial translocation and systemic immune activation. We investigated the impact of HIV-1 infection on the intestinal microbiome and its association with mucosal T-cell and dendritic cell (DC) frequency and activation, as well as with levels of systemic T-cell activation, inflammation, and microbial translocation. Bacterial 16S ribosomal DNA sequencing was performed on colon biopsies and fecal samples from subjects with chronic, untreated HIV-1 infection and uninfected control subjects. Colon biopsies of HIV-1-infected subjects had increased abundances of Proteobacteria and decreased abundances of Firmicutes compared with uninfected donors. Furthermore at the genus level, a significant increase in Prevotella and decrease in Bacteroides was observed in HIV-1-infected subjects, indicating a disruption in the Bacteroidetes bacterial community structure. This HIV-1-associated increase in Prevotella abundance was associated with increased numbers of activated colonic T cells and myeloid DCs. Principal coordinates analysis demonstrated an HIV-1-related change in the microbiome that was associated with increased mucosal cellular immune activation, microbial translocation, and blood T-cell activation. These observations suggest that an important relationship exists between altered mucosal bacterial communities and intestinal inflammation during chronic HIV-1 infection.
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Affiliation(s)
- SM Dillon
- University of Colorado Anschutz Medical Campus, Aurora Colorado
| | - EJ Lee
- University of Colorado Anschutz Medical Campus, Aurora Colorado
| | - CV Kotter
- University of Colorado Anschutz Medical Campus, Aurora Colorado
| | - GL Austin
- University of Colorado Anschutz Medical Campus, Aurora Colorado
| | - Z Dong
- University of Colorado Anschutz Medical Campus, Aurora Colorado
| | - DK Hecht
- University of Colorado Anschutz Medical Campus, Aurora Colorado
| | - S Gianella
- University of California, San Diego, La Jolla, California
| | - B Siewe
- Rush University Medical Center, Chicago
| | - DM Smith
- University of California, San Diego, La Jolla, California
| | - AL Landay
- Rush University Medical Center, Chicago
| | | | - DN Frank
- University of Colorado Anschutz Medical Campus, Aurora Colorado,University of Colorado Microbiome Research Consortium
| | - CC Wilson
- University of Colorado Anschutz Medical Campus, Aurora Colorado
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Song KJ, Lee HM, Lee EJ, Kwon JH, Jo KH, Kim KS. Anti-adhesive effect of a thermosensitive poloxamer applied after the removal of nasal packing in endoscopic sinus surgery: a randomised multicentre clinical trial. Clin Otolaryngol 2014; 38:225-30. [PMID: 23745533 DOI: 10.1111/coa.12117] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/09/2013] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To compare the efficacies of a thermosensitive poloxamer (TPX) and Merogel in preventing adhesion applied after the removal of nasal packing in endoscopic sinus surgery as a non-inferiority trial. DESIGN Randomised, multicentre, single-blind, active-controlled, matched-pair study. SETTING Yonsei University Gangnam Severance Hospital, Korea University Guro Hospital. PARTICIPANTS A total of 70 patients were enroled and underwent endoscopic sinus surgeries. Four of the patients did not complete their follow-up. Analysis of the 66 enroled patients having completed postoperative assessment was performed. The severity of rhinosinusitis was graded with a Lund-McKay CT score, and only those with bilateral disease and a CT score difference ≤2 between sinuses were included. MAIN OUTCOME MEASURES An independent rhinologist from a third institution through a blinded assessment with digital photoendoscopy of the middle meati bilaterally taken postoperatively. RESULTS In the blinded assessment, thermosensitive poloxamer (anti-adhesion rate: 92%) was similar to Merogel (anti-adhesion rate: 89%). Evaluation of the presence and grade of adhesion, oedema, and infection in the middle meatus revealed no significant differences between the thermosensitive poloxamer group and the Merogel group at all postoperative periods. CONCLUSION Anti-adhesive effects of thermosensitive poloxamer are similar to those of Merogel. Therefore, thermosensitive poloxamer can be considered a safe alternative to Merogel for preventing adhesion in patients undergoing endoscopic sinus surgeries, and further evaluation of thermosensitive poloxamer as an anti-adhesive and primary packing material compared with the control using no packing is needed.
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Affiliation(s)
- K J Song
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
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Jang SY, Shin DY, Lee EJ, Lee SY, Yoon JS. Erratum: Relevance of TSH-receptor antibody levels in predicting disease course in Graves’ orbitopathy: comparison of the third-generation TBII assay and Mc4-TSI bioassay. Eye (Lond) 2013. [DOI: 10.1038/eye.2013.193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Hung YC, Chou YS, Chang CH, Lin HW, Chen HY, Chen TY, Tai SH, Lee EJ. Early reperfusion improves the recovery of contralateral electrophysiological diaschisis following focal cerebral ischemia in rats. Neurol Res 2013; 32:828-34. [DOI: 10.1179/016164109x12581096870032] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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36
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Jin OS, Lee JH, Shin YC, Lee EJ, Lee JJ, Matsumura K, Hyon SH, Han DW. Cryoprotection of fibroblasts by carboxylated poly-L-lysine upon repeated freeze/thaw cycles. Cryo Letters 2013; 34:396-403. [PMID: 23995407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The cryoprotection of carboxylated h-poly-L-lysine (COOH-PLL) was investigated on fibroblasts [L-929 cells and human dermal fibroblasts (HDFs)] during multiple freeze/thaw cycles. COOH-PLL was not toxic to two fibroblast cell types even at 25% (w/v) concentration, whereas dimethylsulphoxide (DMSO) was highly toxic over 3.13% (v/v). When L-929 cells were subjected to 5 freeze/thaw cycles, the media containing 7.5% (w/v) COOH-PLL maintained cell morphology and significantly suppressed growth inhibition as well as cell detachment (P < 0.05). The result was comparable to the media containing 10% (v/v) DMSO. For HDFs, COOH-PLL could effectively retain cell viability and proliferation against 3 freeze/thaw cycles. Cell viability of HDFs was decreased after 5 freeze/thaw cycles, but COOH-PLL exerted better cryoprotection. The cell type might account for the difference in the observations. The data demonstrated that COOH-PLL is a good cryoprotectant for mammalian cells against repeated freeze/thaw cycles, and may be used for cell preservation in fields of cell transplantation, tissue engineering and regenerative medicine.
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Affiliation(s)
- O S Jin
- Department of Applied Nanoscience, Pusan National University, Busan, Korea
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Lee EJ, Park JW, Cung Q, Jung KH, Lee JH, Paik JY, Lee KH. Abstract P6-01-05: Enhancement of18F-FDG uptake and glycolysis by epidermal growth factor via PI3K activation in T47D breast cancer cells. Cancer Res 2012. [DOI: 10.1158/0008-5472.sabcs12-p6-01-05] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
It is well known that the binding of epidermal growth factor (EGF) to EGF receptors (EGFR) stimulates proliferation of breast cancer cells via activation of mitogen-activated protein kinase (MAPK) and phosphatidylinositol 3-kinase (PI3K)-protein kinase B (Akt) signaling pathways. There was a report that glucose consumption and lactate production were increased in MDA-MB-468 breast cancer cells following EGF exposure. However, the effect of EGF in enhancing glucose uptake and signaling pathways that are involved have not been clearly revealed. We thus investigated the role of EGF in stimulation of18F-FDG uptake in T47D breast cancer cells, and further elucidated the molecular mechanisms that are involved.
Exposure of T47D cells to 100 ng/mL EGF for 24 h caused a substantial augmentation of18F-FDG uptake to even greater extents to 310.8% ± 30.1% of control cells (P < 0.001), and this effect of EGF showed dose- and time-dependency. Increased glucose uptake by EGF occurred through enhanced membrane GLUT-1 expression as well as hexokinase activity. Inhibition experiments with cycloheximide showed that the metabolic effect by EGF required new protein biosynthesis. Stimulation of glucose uptake by EGF was dependent on sufficient EGFR expression because18F-FDG uptake in MCF-7 cells weakly expressing EGFR was not affected by EGF treatment. Although EGF was also a stimulator of T47D cell proliferation (137.3 ± 7.3% of basal levels at 24 h, P < 0.001), the metabolic effect occurred in a manner that clearly preceded and surpassed the proliferative effect. EGF-stimulated proliferation was significantly inhibited by the EGFR inhibitor BIBX1382, the PI3K inhibitor LY294002 and the specific MAPK inhibitor PD98059. Unlike proliferation, the ability of EGF to augment18F-FDG uptake was found to be dependent on PI3K but not on MAPK activity.
These findings yield the insight into our understanding of the role of EGF and the molecular basis that are involved in glucose metabolism of breast cancer cells.
Citation Information: Cancer Res 2012;72(24 Suppl):Abstract nr P6-01-05.
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Affiliation(s)
- EJ Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - JW Park
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Q Cung
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - K-H Jung
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - JH Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - J-Y Paik
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - K-H Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Soto-Calderón ID, Lee EJ, Jensen-Seaman MI, Anthony NM. Factors affecting the relative abundance of nuclear copies of mitochondrial DNA (numts) in hominoids. J Mol Evol 2012; 75:102-11. [PMID: 23053193 DOI: 10.1007/s00239-012-9519-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2011] [Accepted: 09/24/2012] [Indexed: 10/27/2022]
Abstract
Although nuclear copies of mitochondrial DNA (numts) can originate from any portion of the mitochondrial genome, evidence from humans suggests that more variable parts of the mitochondrial genome, such as the mitochondrial control region (MCR), are under-represented in the nucleus. This apparent deficit might arise from the erosion of sequence identity in numts originating from rapidly evolving mitochondrial sequences. However, the extent to which mitochondrial sequence properties impacts the number of numts detected in genomic surveys has not been evaluated. In order to address this question, we: (1) conducted exhaustive BLAST searches of MCR numts in three hominoid genomes; (2) assessed numt prevalence across the four MCR sub-domains (HV1, CCD, HV2, and MCR(F)); (3) estimated their insertion rates in great apes (Hominoidea); and (4) examined the relationship between mitochondrial DNA variability and numt prevalence in sequences originating from MCR and coding regions of the mitochondrial genome. Results indicate a marked deficit of numts from HV2 and MCR(F) MCR sub-domains in all three species. These MCR sub-domains exhibited the highest proportion of variable sites and the lowest number of detected numts per mitochondrial site. Variation in MCR insertion rate between lineages was also observed with a pronounced burst in recent integrations within chimpanzees and orangutans. A deficit of numts from HV2/MCR(F) was observed regardless of age, whereas HV1 is under-represented only in older numts (>25 million years). Finally, more variable mitochondrial genes also exhibit a lower identity with nuclear copies and because of this, appear to be under-represented in human numt databases.
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Affiliation(s)
- I D Soto-Calderón
- Department of Biological Sciences, University of New Orleans, 2000 Lakeshore Drive, New Orleans, LA 70148, USA.
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Abstract
Pulmonary alveolar microlithiasis (PAM) is a rare, familial disease of unknown aetiology characterised by intra-alveolar formation and accumulation of microliths. Multiple formalin-fixed tissues were submitted from a 5-month-old female alpaca that died suddenly without significant clinical signs. No gross abnormalities were observed on postmortem examination. Histological findings included PAM and severe centrilobular hepatic necrosis. Although the hepatic lesion was the likely cause of death, PAM was an incidental finding that has not been reported previously in alpacas. An overview of PAM, including pathogenesis and histopathological characteristics, are discussed in relation to the concurrent hepatic disease in the present case.
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Affiliation(s)
- E J Lee
- Department of Primary Industries, State Veterinary Diagnostic Laboratory, Elizabeth Macarthur Agricultural Institute, Woodbridge Road, Menangle, New South Wales 2568, Australia.
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Cheng CY, Ho TY, Lee EJ, Su SY, Tang NY, Hsieh CL. Ferulic Acid Reduces Cerebral Infarct Through Its Antioxidative and Anti-Inflammatory Effects Following Transient Focal Cerebral Ischemia in Rats. Am J Chin Med 2012; 36:1105-19. [PMID: 19051339 DOI: 10.1142/s0192415x08006570] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Both Angelica sinensis (Oliv.) Diels (AS) and Ligusticum chuanxiong Hort. (LC) have been used to treat stroke in traditional Chinese medicine for centuries. Ferulic acid (FA), a component in both AS and LC, plays a role in neuroprotection. The purpose of this study was to investigate the effects of FA on cerebral infarct and the involvement of neuroprotective pathway. Rats underwent 2 hours and 24 hours of reperfusion after 90 min middle cerebral artery occlusion (MCAo). The cerebral infarct and neurological deficits were measured after 24 hours of reperfusion. Furthermore, the expression of superoxide radicals, intercellular adhesion molecule-1 (ICAM-1), myeloperoxidase (MPO), nuclear factor-κB (NF-κB) immunoreactive cells were assessed after 2 hours and 24 hours of reperfusion. Administration of 80 and 100 mg/kg of FA at the beginning of MCAo significantly reduced cerebral infarct and neurological deficit-score, similar results were obtained by 100 mg/kg of FA administered 30 min after MCAo. FA treatment (100 mg/kg i.v.) effectively suppressed superoxide radicals in the parenchyma lesion, and ICAM-1 immunoreactive vessels in the ischemic striatum after 2 hours of reperfusion. FA (100 mg/kg i.v.) reduced the expression of ICAM-1 and NF-κB in the ischemic cortex and striatum, also down-regulated MPO immunoreactive cells in the ischemic cortex after 24 hours of reperfusion. These results showed that the effect of FA on reducing cerebral infarct area and neurological deficit-score were at least partially attributed to the inhibition of superoxide radicals, ICAM-1 and NF-κB expression in transient MCAo rats.
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Affiliation(s)
- Chin-Yi Cheng
- Graduate Institute of Chinese Medical Science, China Medical University, Taichung, Taiwan
| | - Tin-Yun Ho
- Graduate Institute of Chinese Medical Science, China Medical University, Taichung, Taiwan
| | - E.-Jian Lee
- Neurophysiology Laboratory, Neurosurgical Service, Department of Surgery and Institute of Biomedical Engineering, National Cheng Kung University Medical Center and Medical School, Tainan, Taiwan
| | - Shan-Yu Su
- Graduate Institute of Chinese Medical Science, China Medical University, Taichung, Taiwan
- Department of Chinese Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Nou-Ying Tang
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Ching-Liang Hsieh
- Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan
- Department of Chinese Medicine, China Medical University Hospital, Taichung, Taiwan
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Abstract
OBJECTIVE To describe the sonographic findings for malignant mixed Müllerian tumors (MMMTs) of the uterus with particular emphasis on their features on saline contrast sonohysterography (SCSH) and color Doppler sonography, and to determine how they relate to pathological findings. METHODS The SCSH and color Doppler findings in 29 histologically proven cases of uterine MMMT were reviewed retrospectively and their relationship to gross and histological findings were investigated. RESULTS Of the 29 uterine tumors, 16 were located only in the corpus, nine only in the fundus and four in both the corpus and fundus. Mean tumor size was 5.4 cm. The most common appearance was a polypoid mass projecting into the endometrial cavity, found in 23 cases. Twenty-eight tumors had an irregular surface, which was papillary in 20 cases and lobulated in eight. Most appeared heterogeneously isoechoic (n = 16) or hypoechoic (n = 12), occasionally with a trabecular appearance, and they often had clefts or fissure-like cystic areas (n = 10), necrosis (n = 4) or hemorrhagic areas (n = 7). Myometrial invasion was present in 27 cases and dilatation of the endometrial cavity was seen in 11. Color Doppler sonography showed moderate to marked vascularity in 20 out of the 24 cases in which it was performed, with a mean resistance index of 0.41, and appeared as feeding (n = 15) or randomly dispersed (n = 9) vessels. CONCLUSIONS Uterine MMMTs have distinct sonographic features that are related to pathological findings. Knowledge of the sonographic appearance of MMMTs may facilitate diagnosis.
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Affiliation(s)
- E J Lee
- Department of Radiology, Ajou University School of Medicine, Suwon, South Korea.
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Huang GJ, Bhaskar Reddy MV, Kuo PC, Huang CH, Shih HC, Lee EJ, Yang ML, Leu YL, Wu TS. A concise synthesis of viscolin, and its anti-inflammatory effects through the suppression of iNOS, COX-2, ERK phosphorylation and proinflammatory cytokines expressions. Eur J Med Chem 2012; 48:371-8. [DOI: 10.1016/j.ejmech.2011.12.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Revised: 11/14/2011] [Accepted: 12/04/2011] [Indexed: 11/26/2022]
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Kim SJ, Yoon DW, Lee EJ, Hur GY, Jung KH, Lee SY, Lee SY, Shin C, Shim JJ, In KH, Kang KH, Yoo SH, Kim JH. Carotid atherosclerosis in patients with untreated chronic obstructive pulmonary disease. Int J Tuberc Lung Dis 2012; 15:1265-70, i. [PMID: 21943856 DOI: 10.5588/ijtld.10.0680] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is associated with systemic inflammation. OBJECTIVE To evaluate carotid artery intima-media thickness (IMT), high sensitivity C-reactive protein (hsCRP) and their correlation in newly diagnosed untreated patients with COPD. DESIGN Post-bronchodilator spirometry, carotid artery IMT and blood tests were measured in patients with COPD (COPD group). Age, sex, body mass index, smoking status and smoking amount were compared with matched healthy subjects (non-COPD group). Participants taking medications and/or with a history of hypertension, diabetes mellitus, dyslipidaemia, COPD or cardiovascular disease were excluded. RESULTS A total of 126 patients (COPD group 42, non-COPD group 84) were enrolled. The IMT and hsCRP of the COPD group were significantly higher than in the non-COPD group (P < 0.05). The decrease in the forced expiratory volume in 1 second/forced vital capacity (FEV(1)/FVC) ratio and FEV(1) was significantly correlated with an increase in the hsCRP and IMT (P < 0.05); there was no correlation between the IMT and hsCRP (P = 0.152). CONCLUSION In newly diagnosed untreated patients with COPD, the carotid artery IMT and hsCRP were significantly higher than in healthy subjects. These findings suggest that systemic inflammation may play a potential role in preclinical atherosclerosis in COPD.
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Affiliation(s)
- S J Kim
- Division of Pulmonary, Sleep and Critical Care Medicine, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Republic of Korea
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Abstract
BACKGROUND AND PURPOSE Bethesda class III cytology is an important limitation of the US-FNA in assessing thyroid nodules. This study aimed to assess the diagnostic efficacy of US in evaluating thyroid nodules with Bethesda class III cytology. MATERIALS AND METHODS From January 2008 to December 2009, 1036 patients with 1289 thyroid nodules diagnosed by US and subsequent US-FNA biopsy were enrolled in the study. On the basis of US features, each thyroid nodule was prospectively classified by a single radiologist into 1 of 5 diagnostic categories: benign, probably benign, borderline, possibly malignant, and malignant. Solid nodules were classified by using all 5 categories, whereas partially cystic nodules were classified by using 4 (borderline was omitted). We calculated the diagnostic efficacy of thyroid US by comparing the US diagnoses with the histopathology results of Bethesda class III nodules. RESULTS Of the 51 Bethesda class III nodules, 35 were surgically confirmed and 8 were histologically diagnosed, and a malignancy rate of 46.5% (20/43) was determined. From the 43 nodules, the sensitivity, specificity, positive and negative predictive values, and accuracy were calculated with 9 borderline nodules excluded (100%, 94.7%, 93.3%, 100%, and 97.0%, respectively) and with the 9 when reclassified as benign (63.6%, 95.2%, 93.3%, 71.4%, and 79.1%, respectively) and malignant (100%, 85.7%, 88.0%, 100%, and 93.0%, respectively). The values obtained with exclusion and malignancy reclassification of 9 borderline nodules were not significantly different (P = .250). CONCLUSIONS US diagnosis by using the present US classification system can be helpful for managing Bethesda class III nodules.
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Affiliation(s)
- D W Kim
- Department of Radiology, Inje University College of Medicine, Busan, South Korea.
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Hong JW, Park JK, Lim CY, Kim SW, Chung YS, Kim SW, Lee EJ. A weekly administered sustained-release growth hormone reduces visceral fat and waist circumference in abdominal obesity. Horm Metab Res 2011; 43:956-61. [PMID: 22072433 DOI: 10.1055/s-0031-1291246] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Administration of recombinant human growth hormone (rhGH) in obesity has been known to lead to a decrease in visceral adiposity and an increase in lean body mass. Most studies have used supraphysiological doses of rhGH, which were administered daily or every other day. We aimed to evaluate whether weekly administered low dose of sustained-release rhGH (SR-rhGH) could play a therapeutic role in the treatment of abdominal obesity. Prospective, single-arm, open-label, multicenter pilot study was carried out. Participants were 26 adults aged 40-65 years old with abdominal obesity (male: waist circumference >90 cm, female: waist circumference >85 cm). The subjects were given 3 mg of SR-rhGH, administered subcutaneously, weekly for 26 weeks. SR-rhGH treatment for 26 weeks increased the IGF-1 level by 56.53±76.09 μg/l (SDS 0.77±1.12) compared to the baseline (p=0.0022). After 26 weeks, SR-rhGH treatment reduced abdominal visceral adipose tissue (VAT) (140.35±75.97 to 128.43±73.85 cm2, p=0.0038). Average waist circumference decreased from 96.25±6.41 to 91.93±6.13 cm (p<0.0001) after treatment. However, body weight or lean body mass did not show any significant change. In conclusion, SR-rhGH treatment for 26 weeks reduced abdominal visceral fat and waist circumference without severe adverse events. Further studies may be considered on the role of weekly administered SR-rhGH as a treatment for abdominal obesity.
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Affiliation(s)
- J W Hong
- Endocrinology, Yonsei University College of Medicine, Seoul, Korea
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Kwon JH, Akram K, Nam KC, Lee EJ, Ahn DU. Evaluation of radiation-induced compounds in irradiated raw or cooked chicken meat during storage. Poult Sci 2011; 90:2578-83. [PMID: 22010244 DOI: 10.3382/ps.2010-01237] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- J-H Kwon
- Department of Food Science and Technology, Kyungpook National University, Daegu, Korea
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Jakimiuk AJ, Crosignani PG, Chernev T, Prilepskaya V, Bergmans P, Von Poncet M, Marelli S, Lee EJ. High levels of women's satisfaction and compliance with transdermal contraception: results from a European multinational, 6-month study. Gynecol Endocrinol 2011; 27:849-56. [PMID: 21142776 PMCID: PMC3205821 DOI: 10.3109/09513590.2010.538095] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To investigate compliance, satisfaction, and preference in women using a transdermal contraceptive patch. METHODS Women (18-46 years) from eight European countries used contraceptive patches (norelgestromin 6 mg, ethinylestradiol 600 μg) for six, 4-week treatment cycles. Compliance, satisfaction, and preference were assessed after 3 and 6 cycles and study completion using self-report methods. RESULTS Of the 778 participants, 36.8% (n = 287) used no contraception at baseline. The most common methods were oral contraceptives (67.9%, n = 334) and barrier methods (21.5%, n = 106). Of oral contraception users, 63.5% (n = 212) were satisfied or very satisfied with their previous method, but compliance was poor with 77.8% (n = 260) reporting missed doses. After 3 and 6 cycles, >80% of all included women were satisfied or very satisfied with the patch. At study completion, most participants (73.7%) reported a preference for the patch compared to their previous method. Of 4107 cycles, 3718 (90.5%) were completed with perfect compliance. Two pregnancies occurred during this study, representing a Pearl Index of 0.63. No new safety issues were identified and the patch was well tolerated. CONCLUSION Women were highly satisfied with transdermal contraception and preferred this form of family planning over their previous method. Transdermal contraception represents a valuable addition to contraceptive options with potential to offer high compliance and efficacy.
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Affiliation(s)
- A J Jakimiuk
- Center for Reproductive Health, Institute of Mother and Child, Warsaw, Poland.
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Xiao S, Zhang WG, Lee EJ, Ma CW, Ahn DU. Effects of diet, packaging, and irradiation on protein oxidation, lipid oxidation, and color of raw broiler thigh meat during refrigerated storage. Poult Sci 2011; 90:1348-57. [PMID: 21597078 DOI: 10.3382/ps.2010-01244] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
This study was designed to evaluate the effects of dietary treatment, packaging, and irradiation singly or in combination on the oxidative stability of broiler chicken thigh meat. A total of 120 four-week-old chickens were divided into 12 pens (10 birds/pen), and 4 pens of broilers were randomly assigned to a control oxidized diet (5% oxidized oil) or an antioxidant-added diet [500 IU of vitamin E + 200 mg/kg of butylated hydroxyanisole (BHA)] and fed for 2 wk. After slaughter, thigh meats were separated, ground, packaged in either oxygen-permeable or oxygen-impermeable vacuum bags, and irradiated at 0 or 3 kGy. Lipid oxidation (TBA-reactive substances), protein oxidation (carbonyl), and color of the meat were measured at 1, 4, and 7 d of refrigerated storage. The lipid and protein oxidation of thigh meats from birds fed the diet supplemented with antioxidants (vitamin E + BHA) was significantly lower than the lipid and protein oxidation of birds fed the control diet, whereas the lipid and protein oxidation of broilers fed the oxidized oil diet was higher than that of birds fed the control diet. Vacuum packaging slowed, but irradiation accelerated, the lipid and protein oxidation of thigh meat during storage. Dietary antioxidants (vitamin E + BHA) and irradiation treatments showed a stronger effect on lipid oxidation than on protein oxidation. A significant correlation between lipid and protein oxidation in meat was found during storage. Dietary supplementation of vitamin E + BHA and the irradiation treatment increased the lightness and redness of thigh meat, respectively. It is suggested that appropriate use of dietary antioxidants in combination with packaging could be effective in minimizing oxidative changes in irradiated raw chicken thigh meat.
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Affiliation(s)
- S Xiao
- Department of Animal Science, Iowa State University, Ames, IA, USA
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Sivakumar G, Medina-Bolivar F, Lay JO, Dolan MC, Condori J, Grubbs SK, Wright SM, Baque MA, Lee EJ, Paek KY. Bioprocess and bioreactor: next generation technology for production of potential plant-based antidiabetic and antioxidant molecules. Curr Med Chem 2011; 18:79-90. [PMID: 21110813 DOI: 10.2174/092986711793979724] [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] [Subscribe] [Scholar Register] [Received: 09/17/2010] [Accepted: 11/20/2010] [Indexed: 11/22/2022]
Abstract
Globally, diabetes and obesity are two of the most common metabolic diseases of the 21(st) century. Increasingly, not only adults but children and adolescents are being affected. New approaches are needed to prevent and treat these disorders and to reduce the impact of associated disease-related complications. Industrial-scale production using plant-root cultures can produce quantities and quality of inexpensive bioactive small molecules with nutraceutical and pharmaceutical properties. Using this approach, and targeting these diseases, a next generation approach to tackling this emerging global health crisis may be developed. Adventitious roots cultured in bioreactors under controlled and reproducible conditions have been shown effective for production of natural products. The liquid-phase airlift bioreactor in particular has been used successfully for culturing roots on an industrial-scale and thus may provide an economical production platform for expressing promising plant-based antidiabetic and antioxidant molecules. This review focuses on a next-generation, scalable, bioprocessing approach for adventitious and hairy root cultures that are a pesticide-free, seasonally-independent, plant-based source of three molecules that have shown promise for the therapeutic management of diabetes and obesity: corosolic acid, resveratrol and ginsenosides.
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Affiliation(s)
- G Sivakumar
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA.
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Lee EJ, Kim SH, Kim YH. Uterine cavernous haemangioma in a post-menopausal woman: CT and MRI findings mimicking uterine myoma with degeneration. Br J Radiol 2011; 84:e68-71. [PMID: 21415295 DOI: 10.1259/bjr/56484373] [Citation(s) in RCA: 2] [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: 11/05/2022] Open
Abstract
Cavernous haemangioma is a very rare vascular malformation of the uterus. We describe the CT and MRI findings of a cavernous haemangioma in an 81-year-old female with recurrent menorrhagia. CT showed a well-marginated mass with multifocal calcifications and extensive haemorrhage, as well as necrosis in the anterior wall of the uterus. MRI revealed heterogeneous low- to high-signal intensities of the mass on T(1) and T(2 )weighted images as well as portions with poor enhancement of the mass on contrast-enhanced T(1 )weighted images. Although rare, cavernous haemangioma should be included in the differential diagnosis of a calcified haemorrhagic necrotic uterine mass in post-menopausal women.
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Affiliation(s)
- E J Lee
- Department of Radiology, Keimyung University Dongsan Hospital, College of Medicine, Daegu, Korea
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