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Lemacks JL, Ilich JZ, Liu PY, Shin H, Ralston PA, Cui M, Wickrama KAS. Dietary Influence on Calcitropic Hormones and Adiposity in Caucasian and African American Postmenopausal Women Assessed by Structural Equation Modeling (SEM). J Nutr Health Aging 2016; 20:602-10. [PMID: 27273349 DOI: 10.1007/s12603-015-0637-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To examine differences in hydroxycholecalciferol (25(OH)D) and parathyroid hormone (PTH) concentrations between Caucasian and African American (AA) postmenopausal women, as well as the effects of dietary calcium, protein and vitamin D intakes on 25(OH)D, PTH, and body adiposity using structural equation modeling (SEM). DESIGN Population-based prospective cohort study. SETTING Academic research using the baseline data from two longitudinal studies. Participants Included n=113 Caucasian and n=40 African American, postmenopausal women who completed the baseline data collection and met inclusion criteria (dietary calcium intake <900 mg/day and being generally healthy) between 2006 and 2010. MAIN OUTCOME Dietary intake of calcium and vitamin D, assessed by dietary records, were examined in relation to calcitropic hormones concentrations and adiposity markers. Independent t-tests, confirmatory factor analysis, SEM and multi-group analyses were conducted to examine the aforementioned relationships as well as group differences among hormones, dietary intake, anthropometrics, age and other factors. RESULTS Dietary calcium and protein intakes were significantly lower in AA women. Years since menopause were significantly higher in AA compared to Caucasian women. PTH and 25(OH)D levels were significantly lower in AA compared to Caucasian women. Dietary calcium and protein intakes did not influence body adiposity in either group of women. Dietary vitamin D had minimal indirect (via 25(OH)D levels) influence on adiposity. CONCLUSION The study confirmed the positive relationship of 25(OH)D with adiposity markers and both AA and Caucasian women. The study provides a unique example of the use of SEM in nutrition research within a clinical context. This model should be further tested in other populations.
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Shin H, Cho K, Rhee C, Hong I, So D, Cho J, Park J. Hypoxia-inducible 5-eicosatetraenoates are potential markers for diagnosing obstructive sleep apnea. Sleep Med 2015. [DOI: 10.1016/j.sleep.2015.02.505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Jeon Y, Han D, Won T, Kim D, Shin H. The relationship and predictors of erectile dysfunction in obstructive sleep apnea syndrome. Sleep Med 2015. [DOI: 10.1016/j.sleep.2015.02.487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Shin H, Jang H, Park H, Lee J, Kim S, Choi Y, Lee J. Targeted next-generation sequencing for the genetic diagnosis of dysferlinopathy. J Neurol Sci 2015. [DOI: 10.1016/j.jns.2015.08.1224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Lee H, Shin H, Kang H, Kim S, Lee J, Kim H, Il Nam S, Lee Y. Clinical characteristics of juvenile myasthenia gravis: A tertiary center experience. Neuromuscul Disord 2015. [DOI: 10.1016/j.nmd.2015.06.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ju H, Shin H, Son C, Park K, Choi I. 3-Iodothyronamine-mediated metabolic suppression increases the phosphorylation of AMPK and induces fuel choice toward lipid mobilization. Horm Metab Res 2015; 47:605-10. [PMID: 25372779 DOI: 10.1055/s-0034-1394380] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Despite broad medical application, induction of artificial hypometabolism in vitro and its biochemical consequence have been rarely addressed. This study aimed to elucidate whether 3-iodothyronamine (T1AM) induces hypometabolism in an in vitro model with activation of AMP-activated protein kinase (AMPK) and whether it leads to a switch in primary fuel from carbohydrates to lipids as observed in in vivo models. Mouse C2C12 myotube and T1AM, a natural derivative of thyroid hormone, were used in this study. The oxygen consumption rate (OCR) decreased in a dose-dependent manner in response to 0-100 μM T1AM for up to 10 h. Upon 6-h of exposure to 75 μM T1AM, the OCR was reduced to 60 vs. ~ 95% for the control. The intracellular [AMP]/[ATP] was 1.35-fold higher in T1AM-treated cells. RT-PCR and immunoblotting analyses revealed that treated cells had upregulated p-AMPK/AMPK (1.8-fold), carnitine palmitoyl transferase 1 mRNA, and pyruvate dehydrogenase kinase, and downregulated acetyl CoA carboxylase (0.4-fold) and pyruvate dehydrogenase phosphatase. The treated cells had darker periodic acid-Schiff staining with 1.2-fold greater glycogen content than controls. Taken together, the hypometabolic response of myotubes to T1AM was dramatic and accompanied by increases in both the relative abundance of AMP and AMPK activation, and fuel choice favoring lipids over carbohydrates. These results are consistent with the general trends observed for rodent models and true hibernators.
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Shin H, Yoon D, Jung J, Kim M, Jang H, Suh T. MO-F-CAMPUS-J-05: Verification for Prompt Gamma Ray Imaging During Proton Boron Fusion Therapy. Med Phys 2015. [DOI: 10.1118/1.4925485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Jung J, Yoon D, Shin H, Kim M, Suh T. SU-D-304-07: Application of Proton Boron Fusion Reaction to Radiation Therapy. Med Phys 2015. [DOI: 10.1118/1.4923866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Yoon D, Jung J, Shin H, Kim M, Jang H, Suh T. SU-E-T-656: Quantitative Analysis of Proton Boron Fusion Therapy (PBFT) in Various Conditions. Med Phys 2015. [DOI: 10.1118/1.4925019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Panda SK, Shin H. Electrochemical performance of amorphous and anatase TiO2 nanotube array-based anodes fabricated by atomic layer deposition. ACTA ACUST UNITED AC 2015. [DOI: 10.1179/1432891714z.0000000001178] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Krüger M, Zinne N, Shin H, Zhang R, Biancosino C, Kropivnitskaja I, Länger F, Haverich A, Dettmer S. Minimal-invasive Thoraxchirurgie. Chirurg 2015; 87:136-43. [DOI: 10.1007/s00104-015-0013-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Hensen B, Kracke T, Sommer W, Kaireit T, Dettmber S, Hoeffler H, Warnecke G, Wacker F, Shin H. Berechnung der Lungenmasse als atemunabhängiger Parameter für die quantitative Computertomografie: Untersuchung an einem Schweinemodell und 12 Patienten. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1550861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Rodt T, Kärcher D, Hasdemir D, Kaireit T, Lutat C, Vogel A, Meyer B, Wacker F, Shin H. Parametric response mapping zur Verlaufsbeurteilung biphasischer CT-Untersuchungen nach transarterieller Chemoembolisation bei HCC. ROFO-FORTSCHR RONTG 2015. [DOI: 10.1055/s-0035-1551123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Kim HN, Kim BH, Cho J, Ryu S, Shin H, Sung J, Shin C, Cho NH, Sung YA, Choi BO, Kim HL. Pathway analysis of genome-wide association datasets of personality traits. GENES BRAIN AND BEHAVIOR 2015; 14:345-56. [PMID: 25809424 DOI: 10.1111/gbb.12212] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 03/05/2015] [Accepted: 03/10/2015] [Indexed: 12/31/2022]
Abstract
Although several genome-wide association (GWA) studies of human personality have been recently published, genetic variants that are highly associated with certain personality traits remain unknown, due to difficulty reproducing results. To further investigate these genetic variants, we assessed biological pathways using GWA datasets. Pathway analysis using GWA data was performed on 1089 Korean women whose personality traits were measured with the Revised NEO Personality Inventory for the 5-factor model of personality. A total of 1042 pathways containing 8297 genes were included in our study. Of these, 14 pathways were highly enriched with association signals that were validated in 1490 independent samples. These pathways include association of: Neuroticism with axon guidance [L1 cell adhesion molecule (L1CAM) interactions]; Extraversion with neuronal system and voltage-gated potassium channels; Agreeableness with L1CAM interaction, neurotransmitter receptor binding and downstream transmission in postsynaptic cells; and Conscientiousness with the interferon-gamma and platelet-derived growth factor receptor beta polypeptide pathways. Several genes that contribute to top-ranked pathways in this study were previously identified in GWA studies or by pathway analysis in schizophrenia or other neuropsychiatric disorders. Here we report the first pathway analysis of all five personality traits. Importantly, our analysis identified novel pathways that contribute to understanding the etiology of personality traits.
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Park YI, Postupna O, Zhugayevych A, Shin H, Park YS, Kim B, Yen HJ, Cheruku P, Martinez JS, Park JW, Tretiak S, Wang HL. A new pH sensitive fluorescent and white light emissive material through controlled intermolecular charge transfer. Chem Sci 2015; 6:789-797. [PMID: 28936321 PMCID: PMC5592806 DOI: 10.1039/c4sc01911c] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Accepted: 09/07/2014] [Indexed: 11/21/2022] Open
Abstract
A new, pH dependent and water-soluble, conjugated oligomer (amino, trimethylammonium oligophenylene vinylene, ATAOPV) was synthesized with a quaternary ammonium salt and an aromatic amine at the two ends of a π-conjugated oligomer, thus creating a strong dipole across the molecule. A unique white light LED is successfully fabricated from a stimuli responsive organic molecule whose emission properties are dominated by the pH value of the solution through controlled intermolecular charge transfer.
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Jo SJ, Shin H, Jo S, Kwon O, Myung SK. Prophylactic and therapeutic efficacy of pyridoxine supplements in the management of hand-foot syndrome during chemotherapy: a meta-analysis. Clin Exp Dermatol 2014; 40:260-70. [DOI: 10.1111/ced.12538] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2014] [Indexed: 12/15/2022]
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Shin H, Yi E, Lee J, Chung J, Kim K, Jheon S, Cho S. 082 * PATHOLOGIC RISK FACTORS FOR RECURRENCE IN EARLY STAGE LUNG ADENOCARCINOMA. Interact Cardiovasc Thorac Surg 2014. [DOI: 10.1093/icvts/ivu276.82] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nguyen P, Shin H, Yousefi K, Thompson D, Hornberger J, Hyatt A, Badani K, Morgan T, Feng F. Impact of a Genomic Classifier of Metastatic Risk on Post prostatectomy Treatment Recommendations by Radiation Oncologists and Urologists. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.1388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kang Y, Jang H, Kim Y, Choi B, Kim J, Lee J, Shin H, Kim S, Kay C, Park S, Ji S, Koo J, Jeon S, Lee S. The Feasibility Study of MRI-Based Dose Calculation With Look-up Table in Radiation Treatment Planning. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Park Y, Kim B, Lee JW, Nam OH, Sone C, Park H, Eunsoon O, Shin H, Chae S, Cho J, Kim IH, Khim J, Cho S, Kim T. Characteristic of InGaN/GaN Laser Diode Grown by a Multi-Wafer MOCVD System. ACTA ACUST UNITED AC 2014. [DOI: 10.1557/s1092578300000570] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
InGaN/GaN multi-quantum well (MQW) laser diodes (LDs) were grown on c-plane sapphire substrates using a multi-wafer MOCVD system. The threshold current for pulsed lasing was 1.6 A for a gain-guided laser diode with a stripe of 10 × 800 μm2. The threshold current density was 20.3 kA cm−2 and the threshold voltage was 16.5 V. The optical power ratio of transverse electric mode to transverse magnetic mode was found to be greater than 50. The characteristic temperature measured from the plot of threshold current versus measurement temperature was between 130 and 150K.
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Huh J, Shin H, Leventhal AM, Spruijt-Metz D, Abramova Z, Cerrada C, Hedeker D, Dunton G. Momentary Negative Moods and Being With Friends Precede Cigarette Use Among Korean American Emerging Adults. Nicotine Tob Res 2014; 16:1248-54. [DOI: 10.1093/ntr/ntu063] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Sorrentino S, Peperhove M, Kaireit T, Rühaak J, Strehlow J, Wacker F, Vogel-Claussen J, Shin H. Entwicklung eines virtuellen 2D-Herz-Phantoms für die Berechnung regionaler myokardialer Wandbewegung mittels nicht-rigider Bildregistrierung. ROFO-FORTSCHR RONTG 2014. [DOI: 10.1055/s-0034-1372881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Yoo M, Jung M, Shin H, Park H, Kim H, Ahn J. Hypoxia affects proliferation and pancreatic differetiation of adipose derived mesenchymal stem cells. Cytotherapy 2014. [DOI: 10.1016/j.jcyt.2014.01.263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Jung SC, Yeom JA, Kim JH, Ryoo I, Kim SC, Shin H, Lee AL, Yun TJ, Park CK, Sohn CH, Park SH, Choi SH. Glioma: Application of histogram analysis of pharmacokinetic parameters from T1-weighted dynamic contrast-enhanced MR imaging to tumor grading. AJNR Am J Neuroradiol 2014; 35:1103-10. [PMID: 24384119 DOI: 10.3174/ajnr.a3825] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE The usefulness of pharmacokinetic parameters for glioma grading has been reported based on the perfusion data from parts of entire-tumor volumes. However, the perfusion values may not reflect the entire-tumor characteristics. Our aim was to investigate the feasibility of glioma grading by using histogram analyses of pharmacokinetic parameters including the volume transfer constant, extravascular extracellular space volume per unit volume of tissue, and blood plasma volume per unit volume of tissue from T1-weighted dynamic contrast-enhanced perfusion MR imaging. MATERIALS AND METHODS Twenty-eight patients (14 men, 14 women; mean age, 49.75 years; age range, 25-72 years) with histopathologically confirmed gliomas (World Health Organization grade II, n = 7; grade III, n = 8; grade IV, n = 13) were examined before surgery or biopsy with conventional MR imaging and T1-weighted dynamic contrast-enhanced perfusion MR imaging at 3T. Volume transfer constant, extravascular extracellular space volume per unit volume of tissue, and blood plasma volume per unit volume of tissue were calculated from the entire-tumor volume. Histogram analyses from these parameters were correlated with glioma grades. The parameters with the best percentile from cumulative histograms were identified by analysis of the area under the curve of the receiver operating characteristic analysis and were compared by using multivariable stepwise logistic regression analysis for distinguishing high- from low-grade gliomas. RESULTS All parametric values increased with increasing glioma grade. There were significant differences among the 3 grades in all parameters (P < .01). For the differentiation of high- and low-grade gliomas, the highest area under the curve values were found at the 98th percentile of the volume transfer constant (area under the curve, 0.912; cutoff value, 0.277), the 90th percentile of extravascular extracellular space volume per unit volume of tissue (area under the curve, 0.939; cutoff value, 19.70), and the 84th percentile of blood plasma volume per unit volume of tissue (area under the curve, 0.769; cutoff value, 11.71). The 98th percentile volume transfer constant value was the only variable that could be used to independently differentiate high- and low-grade gliomas in multivariable stepwise logistic regression analysis. CONCLUSIONS Histogram analysis of pharmacokinetic parameters from whole-tumor volume data can be a useful method for glioma grading. The 98th percentile value of the volume transfer constant was the most significant measure.
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Lee J, Kim J, Shin H. Effects of sleep deprivation on pain sensitivity in healthy subjects. Sleep Med 2013. [DOI: 10.1016/j.sleep.2013.11.422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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