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Su H, Haque M, Becker S, Edlund K, Duda J, Wang Q, Reißing J, Marschall HU, Candels LS, Mohamed M, Sjöland W, Liao L, Drexler SA, Strowig T, Rahnenführer J, Hengstler JG, Hatting M, Trautwein C. Long-term hypercaloric diet exacerbates metabolic liver disease in PNPLA3 I148M animals. Liver Int 2023; 43:1699-1713. [PMID: 37073116 DOI: 10.1111/liv.15587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 03/22/2023] [Accepted: 04/10/2023] [Indexed: 04/20/2023]
Abstract
BACKGROUND & AIMS Nonalcoholic fatty liver disease (NAFLD) is a major health burden associated with the metabolic syndrome leading to liver fibrosis, cirrhosis and ultimately liver cancer. In humans, the PNPLA3 I148M polymorphism of the phospholipase patatin-like phospholipid domain containing protein 3 (PNPLA3) has a well-documented impact on metabolic liver disease. In this study, we used a mouse model mimicking the human PNPLA3 I148M polymorphism in a long-term high fat diet (HFD) experiment to better define its role for NAFLD progression. METHODS Male mice bearing wild-type Pnpla3 (Pnpla3WT ), or the human polymorphism PNPLA3 I148M (Pnpla3148M/M ) were subjected to HFD feeding for 24 and 52 weeks. Further analysis concerning basic phenotype, inflammation, proliferation and cell death, fibrosis and microbiota were performed in each time point. RESULTS After 52 weeks HFD Pnpla3148M/M animals had more liver fibrosis, enhanced numbers of inflammatory cells as well as increased Kupffer cell activity. Increased hepatocyte cell turnover and ductular proliferation were evident in HFD Pnpla3148M/M livers. Microbiome diversity was decreased after HFD feeding, changes were influenced by HFD feeding (36%) and the PNPLA3 I148M genotype (12%). Pnpla3148M/M mice had more faecal bile acids. RNA-sequencing of liver tissue defined an HFD-associated signature, and a Pnpla3148M/M specific pattern, which suggests Kupffer cell and monocytes-derived macrophages as significant drivers of liver disease progression in Pnpla3148M/M animals. CONCLUSION With long-term HFD feeding, mice with the PNPLA3 I148M genotype show exacerbated NAFLD. This finding is linked to PNPLA3 I148M-specific changes in microbiota composition and liver gene expression showing a stronger inflammatory response leading to enhanced liver fibrosis progression.
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Affiliation(s)
- Huan Su
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Madhuri Haque
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Svea Becker
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Karolina Edlund
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Dortmund, Germany
| | - Julia Duda
- Department of Statistics, TU Dortmund University, Dortmund, Germany
| | - Qingbi Wang
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Johanna Reißing
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Hanns-Ulrich Marschall
- Department of Molecular and Clinical Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Lena S Candels
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Mohamed Mohamed
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Wilhelm Sjöland
- Department of Molecular and Clinical Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Lijun Liao
- Department of Pain Management, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Stephan A Drexler
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Till Strowig
- Helmholtz Centre for Infection Research, Braunschweig, Germany
| | | | - Jan G Hengstler
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Dortmund, Germany
| | - Maximilian Hatting
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Christian Trautwein
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
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Nawrat-Szołtysik A, Sieradzka M, Nowacka-Chmielewska M, Piejko L, Duda J, Brachman A, Polak A. Effect of Whole-Body Vibration Training on Selected Intrinsic Risk Factors in Women Aged 60+ at Fall Risk: A Randomized Controlled Trial. Int J Environ Res Public Health 2022; 19:ijerph192417066. [PMID: 36554961 PMCID: PMC9779491 DOI: 10.3390/ijerph192417066] [Citation(s) in RCA: 2] [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] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 05/16/2023]
Abstract
UNLABELLED The aim of the study was to determine whether Whole Body Vibration Training (WBVT) affects intrinsic risk factors for falls in women aged 60+ at fall risk. DESIGN Randomized controlled clinical trial. Blinding was applied to the persons in charge of evaluating the intervention's clinical results and statistical analysis. METHODS Forty-two women over 60 years old were randomly assigned to an experimental group (EG-12-week WBVT; n = 22) and a control group (CG-no additional physical activities; n = 20). Fear of falling was measured by the FES-I questionnaire, gait and dynamic balance using the Time-Up and Go test (TUG), aerobic endurance with the 6-Minute Walk Test (6MWT), and the functional strength of the lower body muscles with the 30-s Chair Stand Test (30SCST) at baseline and post-intervention. Additionally assayed were participants' blood concentrations of interleukin-6 (IL-6). RESULTS The 12-week WBVT improves gait and balance (TUG, p = 0.009), exercise tolerance (6MWT, p = 0.001), and functional strength (30SCST; p = 0.027) but does not reduce the intensity of fear of falling (FES-I, p = 0.655) and the IL-6 serum concentration (p = 0.377). CONCLUSIONS WBVT affects selected fall risk factors in women aged 60+ at fall risk.
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Affiliation(s)
- Agnieszka Nawrat-Szołtysik
- Institute of Physiotherapy and Health Sciences, Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
- Correspondence: ; Tel.: +48-793-481-081
| | - Marta Sieradzka
- Doctoral School, Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
| | - Marta Nowacka-Chmielewska
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
| | - Laura Piejko
- Institute of Physiotherapy and Health Sciences, Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
| | - Julia Duda
- Doctoral School, Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
| | - Anna Brachman
- Institute of Sport Sciences, Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
| | - Anna Polak
- Institute of Physiotherapy and Health Sciences, Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
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3
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Brecklinghaus T, Albrecht W, Duda J, Kappenberg F, Gründler L, Edlund K, Marchan R, Ghallab A, Cadenas C, Rieck A, Vartak N, Tolosa L, Castell JV, Gardner I, Halilbasic E, Trauner M, Ullrich A, Zeigerer A, Demirci Turgunbayer Ö, Damm G, Seehofer D, Rahnenführer J, Hengstler JG. In vitro/in silico prediction of drug induced steatosis in relation to oral doses and blood concentrations by the Nile Red assay. Toxicol Lett 2022; 368:33-46. [PMID: 35963427 DOI: 10.1016/j.toxlet.2022.08.006] [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: 03/30/2022] [Revised: 08/01/2022] [Accepted: 08/09/2022] [Indexed: 11/26/2022]
Abstract
The accumulation of lipid droplets in hepatocytes is a key feature of drug-induced liver injury (DILI) and can be induced by a subset of hepatotoxic compounds. In the present study, we optimized and evaluated an in vitro technique based on the fluorescent dye Nile Red, further named Nile Red assay to quantify lipid droplets induced by the exposure to chemicals. The Nile Red assay and a cytotoxicity test (CTB assay) were then performed on cells exposed concentration-dependently to 60 different compounds. Of these, 31 were known to induce hepatotoxicity in humans, and 13 were reported to also cause steatosis. In order to compare in vivo relevant blood concentrations, pharmacokinetic models were established for all compounds to simulate the maximal blood concentrations (Cmax) at therapeutic doses. The results showed that several hepatotoxic compounds induced an increase in lipid droplets at sub-cytotoxic concentrations. To compare how well (1) the cytotoxicity test alone, (2) the Nile Red assay alone, and (3) the combination of the cytotoxicity test and the Nile Red assay (based on the lower EC10 of both assays) allow the differentiation between hepatotoxic and non-hepatotoxic compounds, a previously established performance metric, the Toxicity Separation Index (TSI) was calculated. In addition, the Toxicity Estimation Index (TEI) was calculated to determine how well blood concentrations that cause an increased DILI risk can be estimated for hepatotoxic compounds. Our findings indicate that the combination of both assays improved the TSI and TEI compared to each assay alone. In conclusion, the study demonstrates that inclusion of the Nile Red assay into in vitro test batteries may improve the prediction of DILI compounds.
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Affiliation(s)
- Tim Brecklinghaus
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany.
| | - Wiebke Albrecht
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany
| | - Julia Duda
- Department of Statistics, TU Dortmund University, Vogelpothsweg 87, 44227, Dortmund, Germany
| | - Franziska Kappenberg
- Department of Statistics, TU Dortmund University, Vogelpothsweg 87, 44227, Dortmund, Germany
| | - Lisa Gründler
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany
| | - Karolina Edlund
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany
| | - Rosemarie Marchan
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany
| | - Ahmed Ghallab
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, 83523 Qena, Egypt
| | - Cristina Cadenas
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany
| | - Adrian Rieck
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany
| | - Nachiket Vartak
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany
| | - Laia Tolosa
- Experimental Hepatology Unit, Health Research Institute La Fe, Valencia, Spain
| | - José V Castell
- Experimental Hepatology Unit, Health Research Institute La Fe, Valencia, Spain; Biochemistry Department, University of Valencia and CIBEREHD
| | | | - Emina Halilbasic
- Hans Popper Laboratory of Molecular Hepatology, Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Michael Trauner
- Hans Popper Laboratory of Molecular Hepatology, Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Anett Ullrich
- Primacyt Cell Culture Technology GmbH, Schwerin, Germany
| | - Anja Zeigerer
- Institute for Diabetes and Cancer, Helmholtz Center Munich, 85764 Neuherberg, Germany; German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany
| | - Özlem Demirci Turgunbayer
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany; Department of Biology, Faculty of Science, Dicle University, 21280, Diyarbakır, Turkey
| | - Georg Damm
- Department of Hepatobiliary Surgery and Visceral Transplantation, University of Leipzig, 04103 Leipzig, Germany
| | - Daniel Seehofer
- Department of Hepatobiliary Surgery and Visceral Transplantation, University of Leipzig, 04103 Leipzig, Germany
| | - Jörg Rahnenführer
- Department of Statistics, TU Dortmund University, Vogelpothsweg 87, 44227, Dortmund, Germany
| | - Jan G Hengstler
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139 Dortmund, Germany.
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4
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Brecklinghaus T, Albrecht W, Kappenberg F, Duda J, Zhang M, Gardner I, Marchan R, Ghallab A, Turgunbayer ÖD, Rahnenführer J, Hengstler JG. Influence of bile acids on the cytotoxicity of chemicals in cultivated human hepatocytes. Toxicol In Vitro 2022; 81:105344. [DOI: 10.1016/j.tiv.2022.105344] [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] [Received: 10/27/2021] [Revised: 02/11/2022] [Accepted: 03/02/2022] [Indexed: 10/18/2022]
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Brecklinghaus T, Albrecht W, Kappenberg F, Duda J, Vartak N, Edlund K, Marchan R, Ghallab A, Cadenas C, Günther G, Leist M, Zhang M, Gardner I, Reinders J, Russel FG, Foster AJ, Williams DP, Damle-Vartak A, Grandits M, Ecker G, Kittana N, Rahnenführer J, Hengstler JG. The hepatocyte export carrier inhibition assay improves the separation of hepatotoxic from non-hepatotoxic compounds. Chem Biol Interact 2021; 351:109728. [PMID: 34717914 DOI: 10.1016/j.cbi.2021.109728] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 10/15/2021] [Accepted: 10/25/2021] [Indexed: 02/08/2023]
Abstract
An in vitro/in silico method that determines the risk of human drug induced liver injury in relation to oral doses and blood concentrations of drugs was recently introduced. This method utilizes information on the maximal blood concentration (Cmax) for a specific dose of a test compound, which can be estimated using physiologically-based pharmacokinetic modelling, and a cytotoxicity test in cultured human hepatocytes. In the present study, we analyzed if the addition of an assay that measures the inhibition of bile acid export carriers, like BSEP and/or MRP2, to the existing method improves the differentiation of hepatotoxic and non-hepatotoxic compounds. Therefore, an export assay for 5-chloromethylfluorescein diacetate (CMFDA) was established. We tested 36 compounds in a concentration-dependent manner for which the risk of hepatotoxicity for specific oral doses and the capacity to inhibit hepatocyte export carriers are known. Compared to the CTB cytotoxicity test, substantially lower EC10 values were obtained using the CMFDA assay for several known BSEP and/or MRP2 inhibitors. To quantify if the addition of the CMFDA assay to our test system improves the overall separation of hepatotoxic from non-hepatotoxic compounds, the toxicity separation index (TSI) was calculated. We obtained a better TSI using the lower alert concentration from either the CMFDA or the CTB test (TSI: 0.886) compared to considering the CTB test alone (TSI: 0.775). In conclusion, the data show that integration of the CMFDA assay with an in vitro test battery improves the differentiation of hepatotoxic and non-hepatotoxic compounds in a set of compounds that includes bile acid export carrier inhibitors.
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Affiliation(s)
- Tim Brecklinghaus
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany.
| | - Wiebke Albrecht
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Franziska Kappenberg
- Department of Statistics, TU Dortmund University, Vogelpothsweg 87, 44227, Dortmund, Germany
| | - Julia Duda
- Department of Statistics, TU Dortmund University, Vogelpothsweg 87, 44227, Dortmund, Germany
| | - Nachiket Vartak
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Karolina Edlund
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Rosemarie Marchan
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Ahmed Ghallab
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany; Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, 83523, Qena, Egypt
| | - Cristina Cadenas
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Georgia Günther
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Marcel Leist
- In Vitro Toxicology and Biomedicine, Department of Biology, University of Konstanz, Universitätsstr. 10, PO Box M657, 78457, Constance, Germany
| | - Mian Zhang
- Simcyp (A Certara Company), Sheffield, UK
| | | | - Jörg Reinders
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Frans Gm Russel
- Department of Pharmacology and Toxicology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Alison J Foster
- Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Dominic P Williams
- Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Amruta Damle-Vartak
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany; Division of Signal Transduction and Growth Control, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany
| | - Melanie Grandits
- University of Vienna, Department of Pharmaceutical Sciences, Althanstraße 14, Vienna, Austria
| | - Gerhard Ecker
- University of Vienna, Department of Pharmaceutical Sciences, Althanstraße 14, Vienna, Austria
| | - Naim Kittana
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, An-Najah National University, PO Box 7, Nablus, Palestine
| | - Jörg Rahnenführer
- Department of Statistics, TU Dortmund University, Vogelpothsweg 87, 44227, Dortmund, Germany
| | - Jan G Hengstler
- Leibniz Research Centre for Working Environment and Human Factors at the Technical University of Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany.
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6
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Ghallab A, Myllys M, Friebel A, Duda J, Edlund K, Halilbasic E, Vucur M, Hobloss Z, Brackhagen L, Begher-Tibbe B, Hassan R, Burke M, Genc E, Frohwein LJ, Hofmann U, Holland CH, González D, Keller M, Seddek AL, Abbas T, Mohammed ESI, Teufel A, Itzel T, Metzler S, Marchan R, Cadenas C, Watzl C, Nitsche MA, Kappenberg F, Luedde T, Longerich T, Rahnenführer J, Hoehme S, Trauner M, Hengstler JG. Spatio-Temporal Multiscale Analysis of Western Diet-Fed Mice Reveals a Translationally Relevant Sequence of Events during NAFLD Progression. Cells 2021; 10:cells10102516. [PMID: 34685496 PMCID: PMC8533774 DOI: 10.3390/cells10102516] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [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] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/17/2021] [Accepted: 09/19/2021] [Indexed: 12/12/2022] Open
Abstract
Mouse models of non-alcoholic fatty liver disease (NAFLD) are required to define therapeutic targets, but detailed time-resolved studies to establish a sequence of events are lacking. Here, we fed male C57Bl/6N mice a Western or standard diet over 48 weeks. Multiscale time-resolved characterization was performed using RNA-seq, histopathology, immunohistochemistry, intravital imaging, and blood chemistry; the results were compared to human disease. Acetaminophen toxicity and ammonia metabolism were additionally analyzed as functional readouts. We identified a sequence of eight key events: formation of lipid droplets; inflammatory foci; lipogranulomas; zonal reorganization; cell death and replacement proliferation; ductular reaction; fibrogenesis; and hepatocellular cancer. Functional changes included resistance to acetaminophen and altered nitrogen metabolism. The transcriptomic landscape was characterized by two large clusters of monotonously increasing or decreasing genes, and a smaller number of 'rest-and-jump genes' that initially remained unaltered but became differentially expressed only at week 12 or later. Approximately 30% of the genes altered in human NAFLD are also altered in the present mouse model and an increasing overlap with genes altered in human HCC occurred at weeks 30-48. In conclusion, the observed sequence of events recapitulates many features of human disease and offers a basis for the identification of therapeutic targets.
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Affiliation(s)
- Ahmed Ghallab
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt;
- Correspondence: (A.G.); (J.G.H.); Tel.: +49-0231-1084-356 (A.G.); +49-0231-1084-348 (J.G.H.)
| | - Maiju Myllys
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
| | - Adrian Friebel
- Institute of Computer Science & Saxonian Incubator for Clinical Research (SIKT), University of Leipzig, Haertelstr. 16-18, 04107 Leipzig, Germany; (A.F.); (S.H.)
| | - Julia Duda
- Department of Statistics, TU Dortmund University, 44227 Dortmund, Germany; (J.D.); (F.K.); (J.R.)
| | - Karolina Edlund
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
| | - Emina Halilbasic
- Hans Popper Laboratory of Molecular Hepatology, Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, 1090 Vienna, Austria; (E.H.); (M.T.)
| | - Mihael Vucur
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty at Heinrich-Heine-University, University Hospital Duesseldorf, 40225 Dusseldorf, Germany; (M.V.); (T.L.)
| | - Zaynab Hobloss
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
| | - Lisa Brackhagen
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
| | - Brigitte Begher-Tibbe
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
| | - Reham Hassan
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt;
| | - Michael Burke
- MRI Unit, Leibniz Research Centre for Working Environment and Human Factors, Department of Psychology and Neurosciences, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.B.); (E.G.)
| | - Erhan Genc
- MRI Unit, Leibniz Research Centre for Working Environment and Human Factors, Department of Psychology and Neurosciences, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.B.); (E.G.)
| | | | - Ute Hofmann
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, University of Tübingen, Auerbachstr. 112, 70376 Stuttgart, Germany;
| | - Christian H. Holland
- Institute of Computational Biomedicine, Heidelberg University, Faculty of Medicine, Bioquant—Im Neuenheimer Feld 267, 69120 Heidelberg, Germany;
| | - Daniela González
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
| | - Magdalena Keller
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
| | - Abdel-latif Seddek
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt;
| | - Tahany Abbas
- Histology Department, Faculty of Medicine, South Valley University, Qena 83523, Egypt;
| | - Elsayed S. I. Mohammed
- Department of Histology and Cytology, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt;
| | - Andreas Teufel
- Department of Medicine I, University Hospital, 93053 Regensburg, Germany; (A.T.); (T.I.)
| | - Timo Itzel
- Department of Medicine I, University Hospital, 93053 Regensburg, Germany; (A.T.); (T.I.)
| | - Sarah Metzler
- Leibniz Research Centre for Working Environment and Human Factors, Department of Immunology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (S.M.); (C.W.)
| | - Rosemarie Marchan
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
| | - Cristina Cadenas
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
| | - Carsten Watzl
- Leibniz Research Centre for Working Environment and Human Factors, Department of Immunology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (S.M.); (C.W.)
| | - Michael A. Nitsche
- Leibniz Research Centre for Working Environment and Human Factors, Department of Psychology and Neurosciences, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany;
| | - Franziska Kappenberg
- Department of Statistics, TU Dortmund University, 44227 Dortmund, Germany; (J.D.); (F.K.); (J.R.)
| | - Tom Luedde
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty at Heinrich-Heine-University, University Hospital Duesseldorf, 40225 Dusseldorf, Germany; (M.V.); (T.L.)
| | - Thomas Longerich
- Translational Gastrointestinal Pathology, Institute of Pathology, University Hospital Heidelberg, D-69120 Heidelberg, Germany;
| | - Jörg Rahnenführer
- Department of Statistics, TU Dortmund University, 44227 Dortmund, Germany; (J.D.); (F.K.); (J.R.)
| | - Stefan Hoehme
- Institute of Computer Science & Saxonian Incubator for Clinical Research (SIKT), University of Leipzig, Haertelstr. 16-18, 04107 Leipzig, Germany; (A.F.); (S.H.)
| | - Michael Trauner
- Hans Popper Laboratory of Molecular Hepatology, Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, 1090 Vienna, Austria; (E.H.); (M.T.)
| | - Jan G. Hengstler
- Leibniz Research Centre for Working Environment and Human Factors, Department of Toxicology, Technical University Dortmund, Ardeystr. 67, 44139 Dortmund, Germany; (M.M.); (K.E.); (Z.H.); (L.B.); (B.B.-T.); (R.H.); (D.G.); (M.K.); (R.M.); (C.C.)
- Correspondence: (A.G.); (J.G.H.); Tel.: +49-0231-1084-356 (A.G.); +49-0231-1084-348 (J.G.H.)
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Mylostyvyi R, Kostiuk WK, Chernenko A, Khmeleva O, Duda J, Izhboldina E. Influence of country of origin and lineage on the lifetime milk production of Holstein cows. Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego 2020. [DOI: 10.5604/01.3001.0014.5682] [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: 11/13/2022] Open
Abstract
<b>This work investigated the percentage influence of country of origin and lineage on parameters of lifetime milk production in Holstein cows brought as heifers to Ukraine from Western Europe. The animals were kept untethered in new, modern, uninsulated steel cowsheds in a large dairy complex. Data from the Orsek dairy management system were used to evaluate randomly selected cows of different origins with complete lactation for lifetime milk, fat and protein yield. Despite significant differences in milk productivity between animals depending on their country of origin and line, the share of the influence of these factors was fairly small. Two-way analysis of variance showed that the percentage influence of the line on lifetime milk yield was 5,5%, and its influence on the yield of milk fat and protein was 6,3-7,8%. The percentage influence of the country of origin was even smaller, at 0,5–2,6% (with a greater impact on milk yield). The rather small effect of the factors studied could be due to the influence of environmental factors (feeding and living conditions), which should be investigated in further studies. </b>
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Affiliation(s)
| | | | | | | | - Julia Duda
- Dnipro State Agrarian and Economic University, Ukraine
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8
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Dmitrzak-Weglarz M, Szczepankiewicz A, Kapelski, Chaberska J, Kwiatkowska K, Duda J, Dziuda S, Skibinska M, Reszka E, Pawlak J. Transcripts of orphan nuclear receptor (NR4A1) & potassium channel (KCNK17) genes as new potential biomarkers for depression. Meta Gene 2020. [DOI: 10.1016/j.mgene.2020.100786] [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: 12/08/2022] Open
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9
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Tremblay M, Kammer M, Lange H, Plattner S, Baumgartner C, Stegeman J, Duda J, Mansfeld R, Döpfer D. Prediction model optimization using full model selection with regression trees demonstrated with FTIR data from bovine milk. Prev Vet Med 2019; 163:14-23. [DOI: 10.1016/j.prevetmed.2018.12.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 10/19/2018] [Accepted: 12/18/2018] [Indexed: 10/27/2022]
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10
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Tremblay M, Kammer M, Lange H, Plattner S, Baumgartner C, Stegeman J, Duda J, Mansfeld R, Döpfer D. Identifying poor metabolic adaptation during early lactation in dairy cows using cluster analysis. J Dairy Sci 2018; 101:7311-7321. [DOI: 10.3168/jds.2017-13582] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 03/26/2018] [Indexed: 11/19/2022]
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11
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Rushton A, Wiangkham T, Duda J, Haque S, Price J. Prospective cluster-randomised double-blind pilot and feasibility trial of an active behavioural physiotherapy intervention for acute whiplash associated disorder (WAD)II. Physiotherapy 2017. [DOI: 10.1016/j.physio.2017.11.101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Willett M, Duda J, Fenton S, Gautrey C, Greig C, Rushton A. Effectiveness of behaviour change techniques in physiotherapy interventions to promote physical activity adherence in patients with osteoarthritis: a systematic review. Physiotherapy 2017. [DOI: 10.1016/j.physio.2017.11.211] [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: 11/25/2022]
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13
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Šimeček K, Látal P, Duda J, Šimeček M. [Comparison of the Arthroscopic Finding in the Knee Joint and the MRI - Retrospective Study]. Acta Chir Orthop Traumatol Cech 2017; 84:285-291. [PMID: 28933331] [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: 06/07/2023]
Abstract
PURPOSE OF THE STUDY Our retrospective study presents the comparison of the preoperative magnetic resonance imaging of the knee joint - MRI - and the arthroscopic finding - ASC. Its aim is to find out how a positive or a negative finding of MRI corresponds with the operative finding and how much the experience of radiologist contributes to the conformity. MATERIAL AND METHODS The MRI findings of knee joints treated surgically at two departments in 2013 and 2014 were assessed. The MRI was performed in a total of 470 patients who subsequently underwent an arthroscopic surgery. A conformity or a non-conformity in anterior, posterior horn and complete rupture of both menisci and in partial or complete tear of anterior cruciate ligament - LCA was searched for. The sensitivity, specificity and accuracy of MRI were established. The difference between experienced and less experienced radiologists was evaluated. The analysis of the radiology report, surgical protocol of ASC and medical history in the documentation was performed. The cartilage was not subject to evaluation. The finding of Grade 1 meniscus tear on MRI was evaluated as negative. Grade 2 and Grade 3 were evaluated as positive. RESULTS Comparison of the preoperative MRI and the arthroscopic finding 1. The group with MRI reported 3 % of diagnostic arthroscopies. The control group without MRI (551 ASC) reported 15 % diagnostic arthroscopies. 2. Low sensitivity of MRI (0.67) in negative findings of ASC. It concerned 7 cases in which a pathological finding was identified on a MRI scan, but not by ASC. In two cases the repeated arthroscopy confirmed that a pathology inside the knee joint was overlooked by the arthroscopist. In the remaining five cases, the clinical finding improved without a repeated surgery. 3. High sensitivity of MRI is shown in the most frequent finding - posterior horn of medial meniscus (0.94). 4. Lower sensitivity (0.76) in partial and (0.83) in complete ACL tear. It increases to 0.93 if partial and complete tear are put together. Both MRI and ASC detect the pathology of ligament, but do not agree in terms of terminology. 5. Lower sensitivity (0.78) was seen in posterior horn of lateral meniscus, most likely due to its complicated anatomy. 6. Specificity of complete tear of medial meniscus tear is 0.99. Lower specificity in the posterior horn of medial meniscus (0.81) shows a higher number of positive MRI findings in negative ASC findings. Some posterior horn tear can be overlooked by an inexperienced surgeon. The MRD findings need to be studied. 7. High specificity (0.99) was described in negative findings. In three cases only, the surgeon discovered a pathological finding, not revealed by MRI scan. It always concerned a tear within the posterior horn of the medial meniscus. 8. Specificity (0.88, 0.93 or 0.86, respectively) in partial, complete and all ACL damages in total. 9. We concluded that contributing to the degree of agreement between MRI and ASC is also the experience of a radiologist. The most experienced radiologist evaluated 190 of 470 MRI scans, the remaining twelve radiologists assessed 280 scans. The posterior horn of the medial meniscus - sensitivity or specificity evaluated by an experienced radiologist (0.98 and 0.88, respectively) and inexperienced radiologist (0.91 and 0.79). The specificity and sensitivity in complete ACL tears - by experienced radiologist (0.91 and 0.94, respectively) and inexperienced radiologist (0.81 and 0.90, respectively). The test accuracy of the experienced radiologist in evaluating the most frequent injuries of soft knee structures was by 9-10 % higher than of the inexperienced radiologist. DISCUSSION The results obtained by the other authors show that the sensitivity and specificity range from 0.6 to 0.9. They agree that the MRI is unsuitable for assessing the cartilage. We confirm that the results are worse when evaluating the posterior horn of the lateral meniscus. We have also proven that the radiologist s experience does play an important role. It can be the reason for a high degree of difference between the results of various authors. Some of them give preference to a clinical examination or a diagnostic arthroscopy instead of the MRI. At our department, MRI is indicated if we are convinced it can help with the indication or where it will suggest what to focus on during the surgery. CONCLUSIONS A preoperative MRI scan can prevent an unnecessary arthroscopy. It displays structures to the surgeon which shall be reviewed in detail during the surgery. We recommend paying attention to Grade 2 MRI findings, positive MRI findings on the posterior horn of medial meniscus and to MRI findings on partial ACL tears. Such menisci and ligaments shall be carefully reviewed. Clinical preoperative examination and cooperation between the surgeon, the "arthroscopist", and the radiologist is essential. The experience of the radiologist also plays a role when evaluating the MRI scan. We have introduced MRI ward rounds. Key words: MRI, knee joint, knee arthroscopy, sensitivity, specificity, accuracy.
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Affiliation(s)
- K Šimeček
- Ortopedicko-traumatologické oddělení Nemocnice Písek, a. s
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Götz KU, Luntz B, Robeis J, Edel C, Emmerling R, Buitkamp J, Anzenberger H, Duda J. Polled Fleckvieh (Simmental) cattle – Current state of the breeding program. Livest Sci 2015. [DOI: 10.1016/j.livsci.2015.05.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Hirsch G, Kitas G, O'Neill T, Duda J, Klocke R. THU0461 Illness Perceptions Predict Response to Intra-Articular Steroid Injections in Knee Osteoarthritis: Table 1. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3612] [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: 11/03/2022]
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Pawlowska M, Bogiel M, Duda J, Sieradzki E. Influence of CYP2D6 and CYP2C19 genetic polymorphism on the pharmacokinetics of tolperisone in healthy volunteers. Eur J Clin Pharmacol 2015; 71:699-705. [PMID: 25953735 DOI: 10.1007/s00228-015-1856-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 04/29/2015] [Indexed: 11/28/2022]
Abstract
PURPOSE This is the first study that connects pharmacokinetics of tolperisone with genetic polymorphism of the enzymes involved in its metabolism in human. We aimed to identify the influence of polymorphism of two main enzymes (CYP2D6 and CYP2C19) on pharmacokinetic profile of parent drug. METHODS In a single-dose study, 28 healthy Caucasian male volunteers received an oral dose of 150 mg of tolperisone. The subjects were genotyped with respect to CYP2D6 and CYP2C19 enzymes. Plasma was sampled for up to 12 h post dose, followed by quantification of tolperisone by a fully validated HPLC-tandem mass spectrometry (MS/MS) method. The pharmacokinetic parameters were estimated using a non-compartmental method and compared statistically at level p < 0.05 across the genotyped groups. RESULTS High variability (exceeded 100%) of main bioavailability parameters (AUCt, AUC(inf), C(max)) was observed in the whole group of subjects. An essential difference in the pharmacokinetics of tolperisone of quick metabolizers whose genotype expressed wild homozygote CYP2D6 *1/*1 with respect to heterozygous *1/*4 and *1/*5 subjects was demonstrated. The mean AUC(inf) was 2.1- and 3.4-fold higher in *1/*4 and *1/*5, respectively, than in *1/*1 subjects. In case of Cmax, the differences were greater and reached maximally 3.8 times (mean values 54.00, 98.85, and 205.20 ng/mL for CYP2D6 *1/*1, *1/*4, and *1/*5, respectively). Values of the parameters for the one subject that expressed *4/*4 genotype were even 8.5 times higher than in subjects with extensive or intermediate phenotype. Although CYP2C19 *1/*2 subjects had higher AUCt, AUC(inf), and Cmax values than *1/*1, no statistically significant differences were observed. Oral clearance (CL/F) significantly decreased by 65.7% in heterozygous *1/*2 relative to homozygous *1/*1 extensive metabolizers. CONCLUSION In this study, we first demonstrated the effect of CYP2D6 polymorphism on pharmacokinetics of tolperisone in Caucasian subjects. The contribution of CYP2C19 enzyme seems to be less important.
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Affiliation(s)
- M Pawlowska
- Institute of Biotechnology and Antibiotics, Warsaw, Poland.
| | - M Bogiel
- Institute of Biotechnology and Antibiotics, Warsaw, Poland
| | - J Duda
- Institute of Biotechnology and Antibiotics, Warsaw, Poland
| | - E Sieradzki
- Faculty of Pharmacy, Department of Applied Pharmacy and Bioengineering, Medical University of Warsaw, Warsaw, Poland
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Wiangkham T, Duda J, Haque M, Madi M, Rushton A. Effectiveness of conservative treatment in acute Whiplash Associated Disorder (WAD) II: a systematic review and meta-analysis of randomised controlled trials. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.1642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Fenton S, Duda J, Barrett T. Variability in levels of moderate-to-vigorous physical activity and sedentary time among youth sport participants is associated with obesity linked health outcomes. Appetite 2015. [DOI: 10.1016/j.appet.2014.12.127] [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: 11/16/2022]
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Osailan A, Metsios G, Rouse P, Duda J, Ntoumanis N, Kitas G, Zanten J. OP0163 Predictors of Heart Rate Recovery following Exercise in Patients with Rheumatoid Arthritis. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.2884] [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: 11/03/2022]
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Yu CA, Rouse P, Veldhuijzen van Zanten J, Metsios G, Ntoumanis N, Kitas G, Duda J. THU0588-HPR Associations between Objective and Self-Reported Physical Activity Data in Rheumatoid Arthritis Patients. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.5529] [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: 11/03/2022]
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Arbelo E, Brugada J, Hindricks G, Maggioni AP, Tavazzi L, Vardas P, Laroche C, Anselme F, Inama G, Jais P, Kalarus Z, Kautzner J, Lewalter T, Mairesse GH, Perez-Villacastin J, Riahi S, Taborsky M, Theodorakis G, Trines SA, Brugada J, Arbelo E, Hindriks G, Maggioni AP, Morgan J, Tavazzi L, Vardas P, Alonso A, Ferrari R, Komajda M, Tavazzi L, Wood D, Vardas P, Brugada J, Mairesse G, Taborsky M, Kautzner J, Lewalter T, Riahi S, Jais P, Anselme F, Theodorakis G, Inama G, Trines S, Kalarus Z, Villacastin JP, Maggioni AP, Manini M, Gracia G, Laroche C, Missiamenou V, Taylor C, Konte M, Fiorucci E, Lefrancq EF, Glémot M, McNeill PA, Bois T, Heidbüchel H, Nuyens D, Boland J, Dinraths V, Herzet JM, Hoffer E, Malmendier D, Massoz M, Pourbaix S, Ballant E, Blommaert D, Deceuninck O, Dormal F, Xhaet O, De Potter T, Geelen P, Derycker K, Duytschaever M, Tavernier R, Vandekerckhove Y, Vankats D, Bulava A, Hanis J, Sitek D, Blahova M, Cihak R, Hanyasova L, Jansova H, Peichl P, Tanzerova M, Wichterle D, Duda J, Haman L, Parizek P, Coling L, Neuzil P, Petru J, Sediva L, Skoda J, Chovancik J, Fiala M, Neuwirth R, Karlsdottir A, Pehrson S, Gerdes C, Jensen H, Lukac P, Nielsen JC, Hansen J, Johannessen A, Hansen PS, Pedersen A, Heath F, Hjortshoj S, Thogersen A, Da Costa A, Martel I, Romeyer-Bouchard C, Sadki N, Schmid A, Haissaguerre M, Hocini M, Knecht S, Sacher F, Ait Said M, Cauchemez B, Ledoux F, Thomas O, Cebron JP, Decarsin N, Gras D, Hervouet S, Durand C, Durand-Dubief A, Poty H, Babuty D, Pierre B, Albenque JP, Boveda S, Combes N, Mas R, Hermida JS, Kubala M, Godin B, Savouré A, Soublin Y, Defaye P, Jacon P, Brigadeau F, Corbut S, Flament-Balzola F, Kacet S, Klug D, Lacroix D, Copie X, Gilles L, Hocine Z, Paziaud O, Piot O, Crocq C, Kaballu G, Le Moal V, Lotton P, Mabo P, Pavin D, Andronache M, De Chillou C, Magnin-Poull I, Deharo JC, Durand C, Franceschi F, Peyrouse E, Prevot S, Etchegoin M, Extramiana F, Leenhardt A, Messali A, Heine T, Schneider A, Winter N, Brachmann J, Ritscher G, Schertel-Gruenler B, Simon H, Sinha AM, Turschner O, Wystrach A, Stemberg M, Kuck KH, Metzner A, Tilz R, Wissner E, Heitmann K, Willems S, Andresen D, Mueller S, Volkmer M, Schmidt B, Kostopoulou A, Livanis E, Voudris V, Efremidis M, Letsas K, Tsikrikas S, Christoforatou E, Ioannidis P, Katsivas A, Kourouklis S, Andrikopoulos G, Rassias I, Tzeis S, Dakos G, Paraskevaidis S, Stavropoulos G, Theofilogiannakos E, Vassilikos V, Bongiorni M, Zucchelli G, Raviele A, Themistoclakis S, Pratola C, Tritto M, Della Bella P, Mazzone P, Moltrasio M, Tondo C, Calo L, De Luca L, Guarracini F, Lioy E, Dozza L, Frigoli E, Giannelli L, Pappone C, Saviano M, Schiavina G, Vicedomini G, De Ponti R, Doni LA, Marazzi R, Salerno-Uriarte J, Tamborini C, Anselmino M, Ferraris F, Gaita F, Bertaglia E, Brandolino G, Zoppo F, De Groot N, Janse P, Jordaens L, Pison L, Roos C, Van Gelder I, Manusama R, Meijer A, Van der Voort P, Trines S, Compier MG, Kazmierczak J, Kornacewicz-Jach Z, Wielusinski M, Baran J, Kulakowski P, Dzidowski M, Fuglewicz A, Nowak K, Pruszkowska-Skrzep P, Wozniak A, Nowak S, Trusz-Gluza M, Almendral J, Atienza F, Castellanos E, De Diego C, Ortiz M, Moreno Planas J, Perez Castellano N, Benezet J, Farre Muncharaz J, Rubio Campal J, Hernandez Madrid A, Matia R, Arana E, Pedrote A, Cozar R, Peinado R, Valverde I, Arbelo E, Berruezo A, Calvo N, Guiu E, Husseini S, Mont Girbau L. The Atrial Fibrillation Ablation Pilot Study: an European Survey on Methodology and results of catheter ablation for atrial fibrillation conducted by the European Heart Rhythm Association. Eur Heart J 2014; 35:1466-78. [DOI: 10.1093/eurheartj/ehu001] [Citation(s) in RCA: 151] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Elena Arbelo
- Department of Cardiology, Thorax Institute, Hospital Clínic de Barcelona, C/ Villarroel 170, 6° - Escala 3, 08036, University of Barcelona, Barcelona, Spain
| | - Josep Brugada
- Department of Cardiology, Thorax Institute, Hospital Clínic de Barcelona, C/ Villarroel 170, 6° - Escala 3, 08036, University of Barcelona, Barcelona, Spain
| | | | - Aldo P. Maggioni
- EURObservational Research Programme, European Society of Cardiology, Sophia – Antipolis, France
| | - Luigi Tavazzi
- GVM Care and Research, E.S. Health Science Foundation, Maria Cecilia Hospital, Cotignola, Italy
| | - Panos Vardas
- Department of Cardiology, Heraklion University Hospital, Crete, Greece
| | - Cécile Laroche
- EURObservational Research Programme, European Society of Cardiology, Sophia – Antipolis, France
| | - Frédéric Anselme
- Service De Cardiologie, Hôpital Charles Nicolle, Rouen Cedex, France
| | | | - Pierre Jais
- Hôpital Cardiologique du Haut-Lévêque, Bordeaux-Pessac, France
| | - Zbigniew Kalarus
- Department of Cardiology, Silesian Academy of Medicine, Zabrze, Poland
| | - Josef Kautzner
- Department of Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czech Republic
| | | | | | | | - Sam Riahi
- AF Study Group, Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
| | - Milos Taborsky
- Internal Cardiology Department, Faculty Hospital Olomouc, Olomouc, Czech Republic
| | | | - Serge A. Trines
- Department of Cardiology, Leiden University Medical Centre, Leiden, The Netherlands
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Duda J, Pawłowska M, Bogiel M, Tejchman-Małecka B, Sieradzki E. PP212—Bioavailability of Digoxin Tablets, Low Therapeutic Index Drug, Determined by Emit. Clin Ther 2013. [DOI: 10.1016/j.clinthera.2013.07.241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Bogiel M, Pawłowska M, Duda J, Sieradzki E. PP205—Comparison of Pharmacodynamic Effect of Two Different Modified-Release Oral Diltiazem Formulations. Clin Ther 2013. [DOI: 10.1016/j.clinthera.2013.07.235] [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: 11/15/2022]
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Ross W, Duda J, Abbott R, Petrovitch H, Tanner C, Masaki K, Uyehara-Lock J, Launer L, White L. Association of Coffee and Caffeine Consumption with Brain Lewy Pathology in the Honolulu-Asia Aging Study (S42.005). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.s42.005] [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: 11/15/2022] Open
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Irwin D, White M, Toledo J, Xie S, Robinson J, Van Deerlin V, Leverenz J, Montine T, Lee V, Duda J, Hurtig H, Trojanowski J. Neuropathologic substrates of Parkinson's disease dementia (S52.002). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.s52.002] [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: 11/15/2022] Open
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Cooper J, Krugh D, Duda J, Roddy J, Klisovic R, Lamprecht M, Beavers-Kirby J, Hofmeister C, Dishon-Ritzert J, Devine S. Improving Vaccination of Patients Pre and Post Bone Marrow Transplant. Biol Blood Marrow Transplant 2012. [DOI: 10.1016/j.bbmt.2011.12.477] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Duda J. 3.348 LEWY PATHOLOGY IS NOT BE THE FIRST SIGN OF DEGENERATION IN SELECTIVELY VULNERABLE NEURONS IN PARKINSON'S DISEASE. Parkinsonism Relat Disord 2012. [DOI: 10.1016/s1353-8020(11)70981-6] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Fallows R, McCoy K, Hertza J, Klosson E, Estes B, Stroescu I, Salinas C, Stringer A, Aronson S, MacAllister W, Spurgin A, Morriss M, Glasier P, Stavinoha P, Houshyarnejad A, Jacobus J, Norman M, Peery S, Mattingly M, Pennuto T, Anderson-Hanley C, Miele A, Dunnam M, Edwards M, O'Bryant S, Johnson L, Barber R, Inscore A, Kegel J, Kozlovsky A, Tarantino B, Goldberg A, Herrera-Pino J, Jubiz-Bassi N, Rashid K, Noniyeva Y, Vo K, Stephens V, Gomez R, Sanders C, Kovacs M, Walton B, Schmitter-Edgecombe M, Schmitter-Edgecombe M, Parsey C, Cook D, Woods S, Weinborn M, Velnoweth A, Rooney A, Bucks R, Adalio C, White S, Blair J, Barber B, Marcy S, Barber B, Marcy S, Boseck J, McCormick C, Davis A, Berry K, Koehn E, Tiberi N, Gelder B, Brooks B, Sherman E, Garcia M, Robillard R, Gunner J, Miele A, Lynch J, McCaffrey R, Hamilton J, Froming K, Nemeth D, Steger A, Lebby P, Harrison J, Mounoutoua A, Preiss J, Brimager A, Gates E, Chang J, Cisneros H, Long J, Petrauskas V, Casey J, Picard E, Long J, Petrauskas V, Casey J, Picard E, Miele A, Gunner J, Lynch J, McCaffrey R, Rodriguez M, Fonseca F, Golden C, Davis J, Wall J, DeRight J, Jorgensen R, Lewandowski L, Ortigue S, Etherton J, Axelrod B, Green C, Snead H, Semrud-Clikeman M, Kirk J, Connery A, Kirkwood M, Hanson ML, Fazio R, Denney R, Myers W, McGuire A, Tree H, Waldron-Perrine B, Goldenring Fine J, Spencer R, Pangilinan P, Bieliauskas L, Na S, Waldron-Perrine B, Tree H, Spencer R, Pangilinan P, Bieliauskas L, Peck C, Bledsoe J, Schroeder R, Boatwright B, Heinrichs R, Baade L, Rohling M, Hill B, Ploetz D, Womble M, Shenesey J, Schroeder R, Semrud-Clikeman M, Baade L, VonDran E, Webster B, Brockman C, Burgess A, Heinrichs R, Schroeder R, Baade L, VonDran E, Webster B, Goldenring Fine J, Brockman C, Heinrichs R, Schroeder R, Baade L, VonDran E, Webster B, Brockman C, Heinrichs R, Schroeder R, Baade L, Bledsoe J, VonDran E, Webster B, Brockman C, Heinrichs R, Schroeder R, Baade L, VonDran E, Webster B, Brockman C, Heinrichs R, Thaler N, Strauss G, White T, Gold J, Tree H, Waldron-Perrine B, Spencer R, McGuire A, Na S, Pangilinan P, Bieliauskas L, Allen D, Vincent A, Roebuck-Spencer T, Cooper D, Bowles A, Gilliland K, Watts A, Ahmed F, Miller L, Yon A, Gordon B, Bello D, Bennett T, Yon A, Gordon B, Bennett T, Wood N, Etcoff L, Thede L, Oraker J, Gibson F, Stanford L, Gray S, Vroman L, Semrud-Clikeman M, Taylor T, Seydel K, Bure-Reyes A, Stewart J, Tourgeman I, Demsky Y, Golden C, Burns W, Gray S, Burns K, Calderon C, Tourgeman I, Golden C, Neblina C, San Miguel Montes L, Allen D, Strutt A, Scott B, Strutt A, Scott B, Armstrong P, Booth C, Blackstone K, Moore D, Gouaux B, Ellis R, Atkinson J, Grant I, Brennan L, Schultheis M, Hurtig H, Weintraub D, Duda J, Moberg P, Chute D, Siderowf A, Brescian N, Gass C, Brewster R, King T, Morris R, Krawiecki N, Dinishak D, Richardson G, Estes B, Knight M, Hertza J, Fallows R, McCoy K, Garcia S, Strain G, Devlin M, Cohen R, Paul R, Crosby R, Mitchell J, Gunstad J, Hancock L, Bruce J, Roberg B, Lynch S, Hertza J, Klosson E, Varnadore E, Schiff W, Estes B, Hertza J, Varnadore E, Estes B, Kaufman R, Rinehardt E, Schoenberg M, Mattingly M, Rosado Y, Velamuri S, LeBlanc M, Pimental P, Lynch-Chee S, Broshek D, Lyons P, McKeever J, Morse C, Ang J, Leist T, Tracy J, Schultheis M, Morgan E, Woods S, Rooney A, Perry W, Grant I, Letendre S, Morse C, McKeever J, Schultheis M, Musso M, Jones G, Hill B, Proto D, Barker A, Gouvier W, Nersesova K, Drexler M, Cherkasova E, Sakamoto M, Marcotte T, Hilsabeck R, Perry W, Carlson M, Barakat F, Hassanein T, Shevchik K, McCaw W, Schrock B, Smith M, Moser D, Mills J, Epping E, Paulsen J, Somogie M, Bruce J, Bryan F, Buscher L, Tyrer J, Stabler A, Thelen J, Lovelace C, Spurgin A, Graves D, Greenberg B, Harder L, Szczebak M, Glisky M, Thelen J, Lynch S, Hancock L, Bruce J, Ukueberuwa D, Arnett P, Vahter L, Ennok M, Pall K, Gross-Paju K, Vargas G, Medaglia J, Chiaravalloti N, Zakrzewski C, Hillary F, Andrews A, Golden C, Belloni K, Nicewander J, Miller D, Johnson S, David Z, Weideman E, Lawson D, Currier E, Morton J, Robinson J, Musso M, Hill B, Barker A, Pella R, Jones G, Proto D, Gouvier W, Vertinski M, Allen D, Thaler N, Heisler D, Park B, Barney S, Kucukboyaci N, Girard H, Kemmotsu N, Cheng C, Kuperman J, McDonald C, Carroll C, Odland A, Miller L, Mittenberg W, Coalson D, Wahlstrom D, Raiford S, Holdnack J, Ennok M, Vahter L, Gardner E, Dasher N, Fowler B, Vik P, Grajewski M, Lamar M, Penney D, Davis R, Korthauer L, Libon D, Kumar A, Holdnack J, Iverson G, Chelune G, Hunter C, Zimmerman E, Klein R, Prathiba N, Hopewell A, Cooper D, Kennedy J, Long M, Moses J, Lutz J, Tiberi N, Dean R, Miller J, Axelrod B, Van Dyke S, Rapport L, Schutte C, Hanks R, Pella R, Fallows R, McCoy K, O'Rourke J, Hilsabeck R, Petrauskas V, Bowden S, Romero R, Hulkonen R, Boivin M, Bangirana P, John C, Shapiro E, Slonaker A, Pass L, Smigielski J, Biernacka J, Geske J, Hall-Flavin D, Loukianova L, Schneekloth T, Abulseoud O, Mrazek D, Karpyak V, Terranova J, Safko E, Heisler D, Thaler N, Allen D, Van Dyke S, Axelrod B, Zink D, Puente A, Ames H, LePage J, Carroll C, Knee K, Mittenberg W, Cummings T, Webbe F, Shepherd E, Marcinak J, Diaz-Santos M, Seichepine D, Sullivan K, Neargarder S, Cronin-Golomb A, Franchow E, Suchy Y, Kraybill M, Holland A, Newton S, Hinson D, Smith A, Coe M, Carmona J, Harrison D, Hyer L, Atkinson M, Dalibwala J, Yeager C, Hyer L, Scott C, Atkinson M, Yeager C, Jacobson K, Olson K, Pella R, Fallows R, McCoy K, O'Rourke J, Hilsabeck R, Rosado Y, Kaufman R, Velamuri S, Rinehardt E, Mattingly M, Sartori A, Clay O, Ovalle F, Rothman R, Crowe M, Schmid A, Horne L, Horn G, Johnson-Markve B, Gorman P, Stewart J, Bure-Reyes A, Golden C, Tam J, McAlister C, Schmitter-Edgecombe M, Wagner M, Brenner L, Walker A, Armstrong L, Inman E, Grimmett J, Gray S, Cornelius A, Hertza J, Klosson E, Varnadore E, Schiff W, Estes B, Johnson L, Willingham M, Restrepo L, Bolanos J, Patel F, Golden C, Rice J, Dougherty M, Golden C, Sharma V, Martin P, Golden C, Bradley E, Dinishak D, Lockwood C, Poole J, Brickell T, Lange R, French L, Chao L, Klein S, Dunnam M, Miele A, Warner G, Donnelly K, Donnelly J, Kittleson J, Bradshaw C, Alt M, England D, Denney R, Meyers J, Evans J, Lynch-Chee S, Kennedy C, Moore J, Fedor A, Spitznagel M, Gunstad J, Ferland M, Guerrero NK, Davidson P, Collins B, Marshall S, Herrera-Pino J, Samper G, Ibarra S, Parrott D, Steffen F, Backhaus S, Karver C, Wade S, Taylor H, Brown T, Kirkwood M, Stancin T, Krishnan K, Culver C, Arenivas A, Bosworth C, Shokri-Kojori E, Diaz-Arrastia R, Marquez de la PC, Lange R, Ivins B, Marshall K, Schwab K, Parkinson G, Iverson G, Bhagwat A, French L, Lichtenstein J, Adams-Deutsch Z, Fleischer J, Goldberg K, Lichtenstein J, Adams-Deutsch Z, Fleischer J, Goldberg K, Lichtenstein J, Fleischer J, Goldberg K, Lockwood C, Ehrler M, Hull A, Bradley E, Sullivan C, Poole J, Lockwood C, Sullivan C, Hull A, Bradley E, Ehrler M, Poole J, Marcinak J, Schuster D, Al-Khalil K, Webbe F, Myers A, Ireland S, Simco E, Carroll C, Mittenberg W, Palmer E, Poole J, Bradley E, Dinishak D, Piecora K, Marcinak J, Al-Khalil K, Mroczek N, Schuster D, Snyder A, Rabinowitz A, Arnett P, Schatz P, Cameron N, Stolberg P, Hart J, Jones W, Mayfield J, Allen D, Sullivan K, Edmed S, Vanderploeg R, Silva M, Vaughan C, McGuire E, Gerst E, Fricke S, VanMeter J, Newman J, Gioia G, Vaughan C, VanMeter J, McGuire E, Gioia G, Newman J, Gerst E, Fricke S, Wahlberg A, Zelonis S, Chatterjee A, Smith S, Whipple E, Mace L, Manning K, Ang J, Schultheis M, Wilk J, Herrell R, Hoge C, Zakzanis K, Yu S, Jeffay E, Zimmer A, Webbe F, Piecora K, Schuster D, Zimmer A, Piecora K, Schuster D, Webbe F, Adler M, Holster J, Golden C, Andrews A, Schleicher-Dilks S, Golden C, Arffa S, Thornton J, Arffa S, Thornton J, Arffa S, Thornton J, Arffa S, Thornton J, Canas A, Sevadjian C, Fournier A, Miller D, Maricle D, Donders J, Larsen T, Gidley Larson J, Sheehan J, Suchy Y, Higgins K, Rolin S, Dunham K, Akeson S, Horton A, Reynolds C, Horton A, Reynolds C, Jordan L, Gonzalez S, Heaton S, McAlister C, Tam J, Schmitter-Edgecombe M, Olivier T, West S, Golden C, Prinzi L, Martin P, Robbins J, Bruzinski B, Golden C, Riccio C, Blakely A, Yoon M, Reynolds C, Robbins J, Prinzi L, Martin P, Golden C, Schleicher-Dilks S, Andrews A, Adler M, Pearlson J, Golden C, Sevadjian C, Canas A, Fournier A, Miller D, Maricle D, Sheehan J, Gidley LJ, Suchy Y, Sherman E, Carlson H, Gaxiola-Valdez I, Wei X, Beaulieu C, Hader W, Brooks B, Kirton A, Barlow K, Hrabok M, Mohamed I, Wiebe S, Smith K, Ailion A, Ivanisevic M, King T, Smith K, King T, Thorgusen S, Bowman D, Suchy Y, Walsh K, Mitchell F, Jill G, Iris P, Ross K, Madan-Swain A, Gioia G, Isquith P, Webber D, DeFilippis N, Collins M, Hill F, Weber R, Johnson A, Wiley C, Zimmerman E, Burns T, DeFilippis N, Ritchie D, Odland A, Stevens A, Mittenberg W, Hartlage L, Williams B, Weidemann E, Demakis G, Avila J, Razani J, Burkhart S, Adams W, Edwards M, O'Bryant S, Hall J, Johnson L, Grammas P, Gong G, Hargrave K, Mattevada S, Barber R, Hall J, Vo H, Johnson L, Barber R, O'Bryant S, Hill B, Davis J, O'Connor K, Musso M, Rehm-Hamilton T, Ploetz D, Rohling M, Rodriguez M, Potter E, Loewenstein D, Duara R, Golden C, Velamuri S, Rinehardt E, Schoenberg M, Mattingly M, Kaufman R, Rosado Y, Boseck J, Tiberi N, McCormick C, Davis A, Hernandez Finch M, Gelder B, Cannon M, McGregor S, Reitman D, Rey J, Scarisbrick D, Holdnack J, Iverson G, Thaler N, Bello D, Whoolery H, Etcoff L, Vekaria P, Whittington L, Nemeth D, Gremillion A, Olivier T, Amirthavasagam S, Jeffay E, Zakzanis K, Barney S, Umuhoza D, Strauss G, Knatz-Bello D, Allen D, Bolanos J, Bell J, Restrepo L, Frisch D, Golden C, Hartlage L, Williams B, Iverson G, McIntosh D, Kjernisted K, Young A, Kiely T, Tai C, Gomez R, Schatzberg A, Keller J, Rhodes E, Ajilore O, Zhang A, Kumar A, Lamar M, Ringdahl E, Sutton G, Turner A, Snyder J, Allen D, Verbiest R, Thaler N, Strauss G, Allen D, Walkenhorst E, Crowe S, August-Fedio A, Sexton J, Cummings S, Brown K, Fedio P, Grigorovich A, Fish J, Gomez M, Leach L, Lloyd H, Nichols M, Goldberg M, Novakovic-Agopian T, Chen A, Abrams G, Rossi A, Binder D, Muir J, Carlin G, Murphy M, McKim R, Fitsimmons R, D'Esposito M, Shevchik K, McCaw W, Schrock B, Vernon A, Frank R, Ona PZ, Freitag E, Weber E, Woods S, Kellogg E, Grant I, Basso M, Dyer B, Daniel M, Michael P, Fontanetta R, Martin P, Golden C, Gass C, Stripling A, Odland A, Holster J, Corsun-Ascher C, Olivier T, Golden C, Legaretta M, Vik P, Van Ness E, Fowler B, Noll K, Denney D, Wiechman A, Stephanie T, Greenberg B, Lacritz L, Padua M, Sandhu K, Moses J, Sordahl J, Anderson J, Wheaton V, Anderson J, Berggren K, Cheung D, Luber H, Loftis J, Huckans M, Bennett T, Dawson C, Soper H, Bennett T, Soper H, Carter K, Hester A, Ringe W, Spence J, Posamentier M, Hart J, Haley R, Fallows R, Pella R, McCoy K, O'Rourke J, Hilsabeck R, Fallows R, Pella R, McCoy K, O'Rourke J, Hilsabeck R, Gass C, Curiel R, Gass C, Stripling A, Odland A, Goldberg M, Lloyd H, Gremillion A, Nemeth D, Whittington L, Hu E, Vik P, Dasher N, Fowler B, Jeffay E, Zakzanis K, Jordan S, DeFilippis N, Collins M, Goetsch V, Small S, Mansoor Y, Homer-Smith E, Lockwood C, Moses J, Martin P, Odland A, Fontanetta R, Sharma V, Golden C, Odland A, Martin P, Perle J, Gass C, Simco E, Mittenberg W, Patt V, Minassian A, Perry W, Polott S, Webbe F, Mulligan K, Shaneyfelt K, Wall J, Thompson J, Tai C, Kiely T, Compono V, Trettin L, Gomez R, Schatzberg A, Keller J, Tsou J, Pearlson J, Sharma V, Tourgeman I, Golden C, Waldron-Perrine B, Tree H, Spencer R, McGuire A, Na S, Pangilinan P, Bieliauskas L, You S, Moses J, An K, Jeffay E, Zakzanis K, Biddle C, Fazio R, Willett K, Rolin S, O'Grady M, Denney R, Bresnan K, Erlanger D, Seegmiller R, Kaushik T, Brooks B, Krol A, Carlson H, Sherman E, Davis J, McHugh T, Axelrod B, Hanks R. Grand Rounds. Arch Clin Neuropsychol 2011. [DOI: 10.1093/arclin/acr056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Parízek P, Haman L, Dostálová H, Duda J, Popelka J. [Long-term outcome of catheter ablation therapy of supraventricular tachyarrhythmias]. Vnitr Lek 2011; 57:546-550. [PMID: 21751540] [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: 05/31/2023]
Abstract
AIM The aim of the article is presentation of our results and experiences with radiofrequency catheter ablation (CA) in the therapy of supraventricular tachyarrhythmias. PATIENTS AND METHODS From 1996 to 2009, 1 485 patients underwent CA (total procedure number - 1 627). The group consist of 772 patients with paroxysmal atrioventricular nodal reentry tachycardia (AVNRT): 484 women, mean age 50.3 +/- 16.4 years; 312 patients with atrioventricular reentry tachycardia (AVRT): 145 women, mean age 40.1 +/- 14.9 years; 391 patients with typical atrial flutter (AF): 96 women, mean age 61.6 +/- 11 years; and 64 patients with atrial tachycardia (AT): 35 women, mean age 53.6 +/- 14.2 years, focal AT 33, macroreentrant AT 31. CA was performed for more than one type of arrhythmia in 54 patients. RESULTS Acute ablation success was achieved in 98.7% of patients with AVNRT, 94.6% of patients with AVRT, 97.7% of patients with AF, and 81.3% of patients with AT. Serious procedure complications occurred in 22 patients (1.4%). The recurrence rate was 1.8-12.5%. 88 patients underwent successful reablation procedure. Long-term ablation success was achieved in 89-99% of patients depending on the different type of arrhythmia. During the long-term follow-up (mean 73 +/- 38 months) died 23 patients, the most common cause of death was malignancy (9 patients). CONCLUSION Our long-term experience and good results documented high success rate and safety of radiofrequency catheter ablation in the therapy of patients with supraventricular tachyarrhythmias.
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Affiliation(s)
- P Parízek
- I. Interní klinika Lékarské fakulty UKa FN Hradec Králové.
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Bulková V, Fiala M, Haman L, Chovancík J, Sknouril L, Havránek S, Pindor J, Duda J, Gorzolka J, Ivanová K, Parízek P. [Improvement of quality of life after ablation of longstanding persistent versus paroxysmal atrial fibrillation: results of 2-year follow-up]. Vnitr Lek 2011; 57:456-462. [PMID: 21695926] [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: 05/31/2023]
Abstract
AIMS The purpose of the study was to assess quality of life and socio-economic parameters in patients after ablation of paroxysmal versus longstanding persistent atrial fibrillation (AF). METHODS The study included 89 patients with paroxysmal AF and 56 patients with longstanding persistent AF who underwent ablation within 1 year, and were afterwards prospectively followed up for 2 years. Quality of life was evaluated by the EQ-5D questionnaire before and every 6 months after ablation. RESULTS Objective, respectively subjective quality of life at baseline was lower in patients with longstanding persistent AF (67 +/- 16 vs 71 +/- 10; p = 0.01, resp. 64 +/- 12 vs 67 +/- 16; p = 0.07); however, after 2 years, it exceeded that of the patients with paroxysmal AF (80 +/- 17 vs 75 +/- 18; p = 0.03; resp. 73 +/- 13 vs 70 +/- 17; p = 0.18). The baseline-2 year difference in improvement was higher in patients with longstanding persistent AF in both objective (p = 0.001) and subjective component (p = 0.05). Both groups displayed significant decrease in the days of hospitalization, and the days of working incapacity. CONCLUSION Patients with longstanding persistent AF exhibit worse baseline quality of life than the patients with paroxysmal AF, and higher quality of life improvement after ablation.
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Affiliation(s)
- V Bulková
- II. Interní klinika kardiologie a angiologie 1. lékarské fakulty UK a VFN Praha.
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Russ I, Duda J, Pirchner F. Associations between blood marker loci and stress susceptibility in pigs. J Anim Breed Genet 2011. [DOI: 10.1111/j.1439-0388.1992.tb00408.x] [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: 11/30/2022]
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Siderowf A, Xie SX, Hurtig H, Weintraub D, Duda J, Chen-Plotkin A, Shaw LM, Van Deerlin V, Trojanowski JQ, Clark C. CSF amyloid {beta} 1-42 predicts cognitive decline in Parkinson disease. Neurology 2010; 75:1055-61. [PMID: 20720189 DOI: 10.1212/wnl.0b013e3181f39a78] [Citation(s) in RCA: 257] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE Cognitive decline associated with Parkinson disease (PD) is common and highly disabling. Biomarkers that help identify patients at risk for cognitive decline would be useful additions to the clinical management of the disease. METHODS A total of 45 patients with PD were enrolled in this prospective cohort study and had at least 1 yearly longitudinal follow-up evaluation. CSF was collected at baseline and cognition was assessed at baseline and follow-up visits using the Mattis Dementia Rating Scale (DRS-2). CSF was tested for amyloid β 1-42 (Aβ(1-42)), p-tau(181p), and total tau levels using the Luminex xMAP platform. Mixed linear models were used to test for associations between baseline CSF biomarker levels and change in cognition over time. RESULTS Lower baseline CSF Aβ(1-42) was associated with more rapid cognitive decline. Subjects with CSF Aβ(1-42) levels ≤192 pg/mL declined an average of 5.85 (95% confidence interval 2.11-9.58, p = 0.002) points per year more rapidly on the DRS-2 than subjects above that cutoff, after adjustment for age, disease duration, and baseline cognitive status. CSF total tau and p-tau(181p) levels were not significantly associated with cognitive decline. CONCLUSIONS Reduced CSF Aβ(1-42) was an independent predictor of cognitive decline in patients with PD. This observation is consistent with previous research showing that Alzheimer disease pathology contributes to cognitive impairment in PD. This biomarker may provide clinically useful prognostic information, particularly if combined with other risk factors for cognitive impairment in PD.
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Affiliation(s)
- A Siderowf
- Department of Neurology, 330 South 9th Street, Second Floor, Philadelphia, PA 19107, USA.
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Cianci H, Robinson K, Bunting-Perry L, Sollenberger J, Nooregian J, Duda J. 223 ARE WHEELED WALKERS WITH VISUAL CUES EFFICACIOUS TO TREAT FREEZING OF GAIT IN PARKINSON'S DISEASE? Parkinsonism Relat Disord 2010. [DOI: 10.1016/s1353-8020(10)70224-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Kranick S, Duda J, Grossman M. P3.016 Cognitive features are more predictive of corticobasal degeneration (CBD) pathology than motor features in corticobasal syndrome. Parkinsonism Relat Disord 2009. [DOI: 10.1016/s1353-8020(09)70580-2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Morley J, Cohen A, Silveira-Moriyama L, Williams D, Katzenschlager R, Moberg P, Adelman J, Hower R, Rick J, Lees A, Hawkes C, Weintraub D, Doty R, Duda J. P2.026 Optimizing olfactory testing for the diagnosis of Parkinson's disease. Parkinsonism Relat Disord 2009. [DOI: 10.1016/s1353-8020(09)70377-3] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
We define a new class of random walk processes which maximize entropy. This maximal entropy random walk is equivalent to generic random walk if it takes place on a regular lattice, but it is not if the underlying lattice is irregular. In particular, we consider a lattice with weak dilution. We show that the stationary probability of finding a particle performing maximal entropy random walk localizes in the largest nearly spherical region of the lattice which is free of defects. This localization phenomenon, which is purely classical in nature, is explained in terms of the Lifshitz states of a certain random operator.
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Affiliation(s)
- Z Burda
- Marian Smoluchowski Institute of Physics, Jagellonian University, Reymonta 4, 30-059 Kraków, Poland.
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Duda J, Rovensky J, Tauchmannova H, Bakosova J. Coincidence of ankylosing spondylitis, gouty arthritis and chondrocalcinosis articularis. Isr Med Assoc J 2005; 7:679. [PMID: 16259356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
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Parizek P, Haman L, Maly J, Pecka M, Hodac M, Bukac J, Stransky P, Pleskot M, Duda J. 818 Changes of platelet parameters during electrophysiologic study with consequent catheter ablation. Europace 2005. [DOI: 10.1016/eupace/7.supplement_1.189-b] [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: 11/24/2022] Open
Affiliation(s)
- P. Parizek
- Faculty Hospital, 1st Dept. of Internal Medicine, Hradec Kralov
| | - L. Haman
- University Hospital, 1st Dept. of Internal Medicine, Hradec Kralove
| | - J. Maly
- University Hospital, 2nd Dept. of Internal Medicine, Hradec Kralove
| | - M. Pecka
- University Hospital, 2nd Dept. of Internal Medicine, Hradec Kralove
| | - M. Hodac
- University Hospital, 1st Dept. of Internal Medicine, Hradec Kralove
| | - J. Bukac
- Medical Faculty, Charles University, Dept. of Medical Biophysics, Hradec Kralove, Czech Republic
| | - P. Stransky
- Medical Faculty, Charles University, Dept. of Medical Biophysics, Hradec Kralove, Czech Republic
| | - M. Pleskot
- University Hospital, 1st Dept. of Internal Medicine, Hradec Kralove
| | - J. Duda
- University Hospital, 1st Dept. of Internal Medicine, Hradec Kralove
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Haman L, Parizek P, Duda J. 320 Early isthmus conduction recovery in atrial flutter ablation. Europace 2005. [DOI: 10.1016/eupace/7.supplement_1.103-a] [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: 11/16/2022] Open
Affiliation(s)
- L. Haman
- Opatovice Nad Labem, Czech Republic
| | - P. Parizek
- University Hospital, 1st Dept. of Internal Medicine, Hradec Kralove, Czech Republic
| | - J. Duda
- University Hospital, 1st Dept. of Internal Medicine, Hradec Kralove, Czech Republic
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Kurzawińska H, Duda J. Biotic relation between Fusarium oxysporum schlecht. and fungi isolated from the substrate of Stewartia pseudocamellia (max.). Commun Agric Appl Biol Sci 2005; 70:185-8. [PMID: 16637175] [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: 05/08/2023]
Abstract
The effect of the fungi community colonizing the substrate of Stewartia plants on the growth of Fusarium oxysporum Schlecht. was investigated. The soil samples from 2 years old Stewartia cuttings were taken for analysis in the second decade of October 2002 and 2003, when the symptoms of disease appeared on Stewartia plant. Fungi were isolated from the substrate using the sand method (Mańka K. 1974). Fusarium oxysporum were isolated from root system of Stewartia pseudocamellia plant. The isolates selected for the investigation proved pathogenic influence on Stewartia in an infection experiment. For estimation of biotic effect of saprobiotic fungi community on Stewartia pathogen F. oxysporum the biotic series method (Mańka K. 1974) was applied. The results showed that species of genera: Penicillium and Trichoderma were the most frequent in the community of fungi in the substrate. Both fungi communities of these fungi could not limit the growth of investigated pathogen F. oxysporum. It showed negative ABSTRACT biotic effect. The strongest antagonistic effect displayed Trichoderma viride and Trichoderma harzianum.
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Affiliation(s)
- H Kurzawińska
- Department of Plant Protection, University of Agriculture, 29-Listopada 54, 31-425 Cracow, Poland
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Parízek P, Haman L, Malý J, Pecka M, Hodac M, Bukac J, Stránský P, Malý R, Duda J, Pleskot M. [The activation of haemostasis during radiofrequency catheter ablation]. Vnitr Lek 2004; 50:887-93. [PMID: 15717801] [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: 05/01/2023]
Abstract
The aim of the study was to investigate chosen haemostasis activation markers during electrophysiologic study (EPS) with consequent radiofrequency catheter ablation (RFA). Sixty-three patients were studied prospectively. Indications for EPS and RFA were supraventricular tachycardias with the arrhythmogenic substrate located in the right atrium. Blood samples were drawn 24 hours before the procedure (T -1), at the beginning of the procedure (T0), at the end of EPS (T1), 30 minutes after completion of RFA (T2), and 24 hours after the procedure (T3). To study coagulation, fibrinolytic and platelet activation were measured concentrations of thrombin-antithrombin III (TAT), D-dimers (DD), platelet count and parameters, and circulating platelet aggregates (CPAi). During the EPS and RFA, TAT levels increased from the baseline 5.03 +/- 2.53 microg/l (T -1) to 12.90 +/- 12.83 microg/l at T0 (p < 0.001) to 36.07 +/- 15.59 microg/l at T1 (p < 0.001) and decreased to 28.85 +/- 13.14 microg/l at T2 (p < 0.001). Levels of DD increased from 0.30 +/- 0.20 mg/l at T0 to 0.44 +/- 0.25 mg/l at T1 (p < 0.001) and to 0.87 +/- 0.74 mg/l at T2 (p < 0.001). The number of platelets was significantly decreased (-13.7%) before and during the procedure (T -1 vs. T3; p < 0.001). Marked platelet activation (CPAi 0.62 +/- 0.32) was observed before the procedure opposite to the physiological values (CPAi 1.0 +/- 0.1), without changes during the procedure (CPAi at T2 0.69 +/- 0.23). Our results confirmed activation of several haemostasis parameters during EPS and RFA, and support eligibility of the antithrombotic prevention in patients indicated for EPS and RFA.
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Affiliation(s)
- P Parízek
- Lékarské fakulty UK a FN, Hradec Králové
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42
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Ciesielczuk T, Oleksowicz S, Polednia E, Duda J, Kotowski W, Armbruster U, Martin A, Lücke B. Aufarbeitung von Elektronikschrott durch Nassoxidation. CHEM-ING-TECH 2004. [DOI: 10.1002/cite.200400084] [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: 11/08/2022]
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Haman L, Parizek P, Duda J, Pleskot M. P-082 Primary open cooled tip ablation of cavotricuspid isthmus. Europace 2003. [DOI: 10.1016/eupace/4.supplement_2.b86-a] [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: 10/14/2022] Open
Affiliation(s)
- L. Haman
- 1st Department of Internal Medicine, University Hospital Hradec Kralove, Czech Republic
| | - P. Parizek
- 1st Department of Internal Medicine, University Hospital Hradec Kralove, Czech Republic
| | - J. Duda
- 1st Department of Internal Medicine, University Hospital Hradec Kralove, Czech Republic
| | - M. Pleskot
- 1st Department of Internal Medicine, University Hospital Hradec Kralove, Czech Republic
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Haman L, Parizek P, Maly R, Duda J, Pleskot M. P-081 Oral contraceptives and thrombotic complications after RF ablation. Europace 2003. [DOI: 10.1016/eupace/4.supplement_2.b86] [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: 10/14/2022] Open
Affiliation(s)
- L. Haman
- 1st Department of Internal Medicine, University Hospital Hradec Kralove, Czech Republic
| | - P. Parizek
- 1st Department of Internal Medicine, University Hospital Hradec Kralove, Czech Republic
| | - R. Maly
- 1st Department of Internal Medicine, University Hospital Hradec Kralove, Czech Republic
| | - J. Duda
- 1st Department of Internal Medicine, University Hospital Hradec Kralove, Czech Republic
| | - M. Pleskot
- 1st Department of Internal Medicine, University Hospital Hradec Kralove, Czech Republic
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Parizek P, Haman L, Maly J, Pecka M, Hodac M, Duda J, Maly M, Pleskot M. P-080 Activation of the hemostatic system during radiofrequency ablation. Europace 2003. [DOI: 10.1016/eupace/4.supplement_2.b85-c] [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: 11/16/2022] Open
Affiliation(s)
- P. Parizek
- 1st and 2nd Department of Internal Medicine, Charles University, Faculty Hospital Hradec Kralove, Czech Republic
| | - L. Haman
- 1st and 2nd Department of Internal Medicine, Charles University, Faculty Hospital Hradec Kralove, Czech Republic
| | - J. Maly
- 1st and 2nd Department of Internal Medicine, Charles University, Faculty Hospital Hradec Kralove, Czech Republic
| | - M. Pecka
- 1st and 2nd Department of Internal Medicine, Charles University, Faculty Hospital Hradec Kralove, Czech Republic
| | - M. Hodac
- 1st and 2nd Department of Internal Medicine, Charles University, Faculty Hospital Hradec Kralove, Czech Republic
| | - J. Duda
- 1st and 2nd Department of Internal Medicine, Charles University, Faculty Hospital Hradec Kralove, Czech Republic
| | - M. Maly
- 1st and 2nd Department of Internal Medicine, Charles University, Faculty Hospital Hradec Kralove, Czech Republic
| | - M. Pleskot
- 1st and 2nd Department of Internal Medicine, Charles University, Faculty Hospital Hradec Kralove, Czech Republic
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Machatschek J, Duda J, Matthay K, Cowan M, Horn B. Immune reconstitution, infectious complications and post transplant supportive care measures after autologous blood and marrow transplantation in children. Bone Marrow Transplant 2003; 32:687-93. [PMID: 13130316 DOI: 10.1038/sj.bmt.1704196] [Citation(s) in RCA: 8] [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] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We retrospectively analyzed data on T- and B-cell reconstitution and infectious complications in 58 children undergoing ABMT, in order to evaluate post-transplant supportive care measures used during the study period. Normalization of T-cell number and lymphocyte proliferative responses to phytohemagglutinin (PHA) and alloantigen (MLC) occurred in two-thirds of children by 6 months post transplant. Normal IgM levels developed in 75% of children by 6 months post transplant. A total of 34 children (59%) developed 39 episodes of infection between neutrophil engraftment and 1 year post transplant. The most common infections included bacteremia, varicella-zoster virus infection and pneumonia, which represented 46, 23 and 9% of infections, respectively. All patients with bacteremia had a central venous catheter in place at the time of infection. Most infections (77%) developed by 6 months post transplant. In this small patient cohort, time to normalization of tests of T- and B-cell function was not significantly different between patients with and without infection. Earlier removal of an indwelling central venous catheter may decrease the risk of bacteremia post transplant. Post-transplant supportive care measures may be discontinued at 6 months post ABMT in most children, as the risk of infection decreases after that time.
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Abel A, Walcott J, Woods J, Duda J, Merry DE. Expression of expanded repeat androgen receptor produces neurologic disease in transgenic mice. Hum Mol Genet 2001; 10:107-16. [PMID: 11152658 DOI: 10.1093/hmg/10.2.107] [Citation(s) in RCA: 93] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Spinal and bulbar muscular atrophy (SBMA) is a motor neuron disease caused by the expansion of a polyglutamine tract within the androgen receptor. This disease is unusual among the polyglutamine diseases in that it involves lower motor and sensory neurons, with relative sparing of other brain structures. We describe the development of transgenic mice, created with a truncated, highly expanded androgen receptor driven by the neurofilament light chain promoter, which develop many of the motor symptoms of SBMA. In addition, transgenic mice created with the prion protein promoter develop widespread neurologic disease, reminiscent of juvenile forms of other polyglutamine diseases. Thus, in these experiments, the distribution of neurologic symptoms depends on the expression level and pattern of the promoter used, rather than on specific characteristics of androgen receptor metabolism or function. The transgenic mice described here develop neuronal intranuclear inclusions (NIIs), a hallmark of SBMA and the other polyglutamine diseases. We have shown these inclusions to be ubiquitinated and to sequester molecular chaperones, components of the 26S proteasome and the transcriptional activator CREB-binding protein. Apart from the presence of NIIs, evidence of neuropathology or neurogenic muscle atrophy was absent, suggesting that the neurologic phenotypes observed in these mice were the result of neuronal dysfunction rather than neuronal degeneration. These mice will provide a useful resource for characterizing specific aspects of motor neuron dysfunction, and for testing therapeutic strategies for this and other polyglutamine diseases.
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MESH Headings
- Animals
- Behavior, Animal
- Brain Stem/pathology
- Cell Nucleus/ultrastructure
- Female
- Inclusion Bodies/genetics
- Inclusion Bodies/metabolism
- Lameness, Animal/genetics
- Lameness, Animal/physiopathology
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Transgenic
- Muscular Disorders, Atrophic/genetics
- Muscular Disorders, Atrophic/metabolism
- Muscular Disorders, Atrophic/physiopathology
- Nerve Degeneration/genetics
- Neurofilament Proteins/genetics
- Peptides/genetics
- Phenotype
- Prions/genetics
- Promoter Regions, Genetic
- Receptors, Androgen/genetics
- Receptors, Androgen/metabolism
- Sequence Deletion
- Transcription, Genetic
- Transgenes
- Trinucleotide Repeat Expansion
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Affiliation(s)
- A Abel
- Neurogenetics Branch, National Institutes of Neurological Disease and Stroke, National Institutes of Health, Bethesda, MD, USA
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Diehl B, Najm I, Ruggieri P, Tkach J, Mohamed A, Morris H, Wyllie E, Fisher E, Duda J, Lieber M, Bingaman W, Lüders HO. Postictal diffusion-weighted imaging for the localization of focal epileptic areas in temporal lobe epilepsy. Epilepsia 2001; 42:21-8. [PMID: 11207781 DOI: 10.1046/j.1528-1157.2001.19500.x] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
PURPOSE Diffusion-weighted MR imaging (DWI) is a novel technique to delineate focal areas of cytotoxic edema of various etiologies. We hypothesized that DWI may also detect the epileptogenic region and adjacent areas during the ictal and early postictal periods in patients with temporal lobe epilepsy (TLE). METHODS We studied patients with intractable TLE (n = 9), due to hippocampal sclerosis (HS, n = 7), left mesial temporal lobe tumor (n = 1), and of unknown etiology (n = 1). Informed consent was obtained before inclusion in the study. All patients with single short seizures were scanned immediately after EEG-documented seizures (between 45 and 150 min); one of two patients in status was scanned 14 h after cessation of seizures. DWI results were analyzed visually and by calculating apparent diffusion coefficient (ADC) maps. RESULTS We found significant decreases in ADC postictally in one of six patients with TLE due to HS and single short seizures. One patient with an incompletely resected temporal lobe tumor also exhibited ADC abnormalities. One patient in focal status epilepticus revealed a decrease in ADC, and one patient with a continuous aura had no DWI abnormality. CONCLUSIONS Postictal DWI technique may occasionally help delineate epileptic areas in some patients with TLE. Yield is low in patients with HS and single short seizures: it may be higher in patients with tumor or status epilepticus.
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Affiliation(s)
- B Diehl
- Department of Neurology, The Cleveland Clinic Foundation, 9500 Euclid Ave., Cleveland, Ohio 44195, U.S.A.
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Abstract
Fiber tract trajectories in coherently organized brain white matter pathways were computed from in vivo diffusion tensor magnetic resonance imaging (DT-MRI) data. First, a continuous diffusion tensor field is constructed from this discrete, noisy, measured DT-MRI data. Then a Frenet equation, describing the evolution of a fiber tract, was solved. This approach was validated using synthesized, noisy DT-MRI data. Corpus callosum and pyramidal tract trajectories were constructed and found to be consistent with known anatomy. The method's reliability, however, degrades where the distribution of fiber tract directions is nonuniform. Moreover, background noise in diffusion-weighted MRIs can cause a computed trajectory to hop from tract to tract. Still, this method can provide quantitative information with which to visualize and study connectivity and continuity of neural pathways in the central and peripheral nervous systems in vivo, and holds promise for elucidating architectural features in other fibrous tissues and ordered media.
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Affiliation(s)
- P J Basser
- Section on Tissue Biophysics and Biomimetics, NICHD, Bethesda, Maryland 20892-5772, USA.
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