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Nadarajah R, Ludman P, Appelman Y, Brugaletta S, Budaj A, Bueno H, Huber K, Kunadian V, Leonardi S, Lettino M, Milasinovic D, Gale CP, Budaj A, Dagres N, Danchin N, Delgado V, Emberson J, Friberg O, Gale CP, Heyndrickx G, Iung B, James S, Kappetein AP, Maggioni AP, Maniadakis N, Nagy KV, Parati G, Petronio AS, Pietila M, Prescott E, Ruschitzka F, Van de Werf F, Weidinger F, Zeymer U, Gale CP, Beleslin B, Budaj A, Chioncel O, Dagres N, Danchin N, Emberson J, Erlinge D, Glikson M, Gray A, Kayikcioglu M, Maggioni AP, Nagy KV, Nedoshivin A, Petronio AP, Roos-Hesselink JW, Wallentin L, Zeymer U, Popescu BA, Adlam D, Caforio ALP, Capodanno D, Dweck M, Erlinge D, Glikson M, Hausleiter J, Iung B, Kayikcioglu M, Ludman P, Lund L, Maggioni AP, Matskeplishvili S, Meder B, Nagy KV, Nedoshivin A, Neglia D, Pasquet AA, Roos-Hesselink JW, Rossello FJ, Shaheen SM, Torbica A, Gale CP, Ludman PF, Lettino M, Bueno H, Huber K, Leonardi S, Budaj A, Milasinovic (Serbia) D, Brugaletta S, Appelman Y, Kunadian 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Potpara T, Marinkovic M, Mihajlovic M, Mujovic N, Kocijancic A, Mijatovic Z, Radovanovic M, Matic D, Milosevic A, Savic L, Subotic I, Uscumlic A, Zlatic N, Antonijevic J, Vesic O, Vucic R, Martinovic SS, Kostic T, Atanaskovic V, Mitic V, Stanojevic D, Petrovic M. Cohort profile: the ESC EURObservational Research Programme Non-ST-segment elevation myocardial infraction (NSTEMI) Registry. Eur Heart J Qual Care Clin Outcomes 2022; 9:8-15. [PMID: 36259751 DOI: 10.1093/ehjqcco/qcac067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/12/2022]
Abstract
AIMS The European Society of Cardiology (ESC) EURObservational Research Programme (EORP) Non-ST-segment elevation myocardial infarction (NSTEMI) Registry aims to identify international patterns in NSTEMI management in clinical practice and outcomes against the 2015 ESC Guidelines for the management of acute coronary syndromes in patients presenting without ST-segment-elevation. METHODS AND RESULTS Consecutively hospitalised adult NSTEMI patients (n = 3620) were enrolled between 11 March 2019 and 6 March 2021, and individual patient data prospectively collected at 287 centres in 59 participating countries during a two-week enrolment period per centre. The registry collected data relating to baseline characteristics, major outcomes (in-hospital death, acute heart failure, cardiogenic shock, bleeding, stroke/transient ischaemic attack, and 30-day mortality) and guideline-recommended NSTEMI care interventions: electrocardiogram pre- or in-hospital, pre-hospitalization receipt of aspirin, echocardiography, coronary angiography, referral to cardiac rehabilitation, smoking cessation advice, dietary advice, and prescription on discharge of aspirin, P2Y12 inhibition, angiotensin converting enzyme inhibitor (ACEi)/angiotensin receptor blocker (ARB), beta-blocker, and statin. CONCLUSION The EORP NSTEMI Registry is an international, prospective registry of care and outcomes of patients treated for NSTEMI, which will provide unique insights into the contemporary management of hospitalised NSTEMI patients, compliance with ESC 2015 NSTEMI Guidelines, and identify potential barriers to optimal management of this common clinical presentation associated with significant morbidity and mortality.
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Affiliation(s)
- Ramesh Nadarajah
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
| | - Peter Ludman
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Yolande Appelman
- Department of Cardiology, Amsterdam UMC-Vrije Universiteit, Amsterdam Cardiovascular Sciences, Amsterdam, Netherlands
| | - Salvatore Brugaletta
- Hospital Clinic de Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
| | - Andrzej Budaj
- Department of Cardiology, Center of Postgraduate Medical Education, Grochowski Hospital, Warsaw, Poland
| | - Hector Bueno
- Cardiology Department, Hospital Universitario 12 de Octubre and Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Kurt Huber
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Clinic Ottakring (Wilhelminenhospital), Vienna, Austria.,Medical Faculty, Sigmund Freud University, Vienna, Austria
| | - Vijay Kunadian
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.,Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Sergio Leonardi
- University of Pavia, Pavia, Italy.,Fondazione IRCCS Policlinico S.Matteo, Pavia, Italy
| | - Maddalena Lettino
- Cardio-Thoracic and Vascular Department, San Gerardo Hospital, ASST-Monza, Monza, Italy
| | - Dejan Milasinovic
- Department of Cardiology, University Clinical Center of Serbia and Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Chris P Gale
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
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Bednarek A, Wieczorek J, Elzbieciak M, Deja M, Mizia-Stec K. P1723 Spectacular left ventricle post infarction aneurysm. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.1085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Sixty six-y.o. woman 2 months after anterior wall ST-segment elevation myocardial infraction and PCI LAD + 3DES (TIMI 1) was re-admitted to the clinic because of progressive severe heart failure (NYHA III/IV). In admission NT-proBNP level was 14 000 pg/ml, INR 1,7, bilirubin 4,5mg/dl. The electrocardiogram showed persistent ST elevation on anterior leads. Transthoracic echocardiography (TTE) revealed spectacular finding: aneurysm of left ventricle (LV) involving ½ distal part of interventricular septum, apex, inferior, anterior and lateral wall with LVEF 24%, LVEDV 272ml. Thickness of intraventricular septum (IVS) on aneurysm level was only 2,5-3,5mm. In the middle part of IVS a minimal ventricular septal defect (VSD) was showed. Cardiac magnetic resonance examination confirmed TTE findings. The course of the disease was dynamic. The diameter of VSD was increased during consecutive days of hospitalization with maximum width 6,5mm. The patient was hemodynamical unstable, she needed pressure amines, diuretics and intra-aortic balloon pumping. The patient underwent several Heart Team consultations. She was disqualified from percutaneous VSD closing because of thickness of IVS and spiral shape of VSD. Due to potentially too small LV volume after LV plastic surgery the patient was also disqualified from that procedure. We reported the patient to heart transplantation (HTX). There was no transplant donor. In next days we observed progressive signs of a cardiogenic shock with right ventricle decompensation secondary to widening of VSD. Because of unstable stage and growing decompensation, no possibility of HTX patient had life—saving cardiac surgery of LV with mitral valve and tricuspid valve anuloplasthies. The patient survived operation.
Abstract P1723 Figure.
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Affiliation(s)
- A Bednarek
- School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - J Wieczorek
- School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - M Elzbieciak
- School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - M Deja
- School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - K Mizia-Stec
- School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
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Jastrzebski M, Moskal PJ, Bednarek A, Kielbasa G, Czarnecka D. P6019His-Purkinje system pacing in single centre experience after 324 cases. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
His-Purkinje system pacing preserves or restores physiologic depolarization of the left ventricle during permanent pacing. It consists of two complementary techniques: His bundle pacing (HB-P) and the recently introduced left bundle branch pacing (LBB-P). There is limited data on HB-P outcomes and only a few reports of LBB-P results.
Purpose
Our aim was to investigate success rate, complications, acute and early pacing parameters in patients undergoing HB-P and LBB-P in the setting of a cardiology tertiary centre that routinely implants HB-P and LBB-P pacemakers.
Methods
On the basis of a prospective database we performed a longitudinal cohort study of all consecutive patients with His-Purkinje system devices implanted in the years 2014–2019. In all cases, model 3830 lumen-less 4.1 Fr pacing lead was used. HB-P was achieved via HB mapping or pace mapping, LBB-P was achieved via deep septal lead deployment under electrophysiological and 12-lead ECG guidance.
Results
Since 2014 there were 324 implantations of His-Purkinje system pacemakers. Baseline patients' characteristics are presented in Table. The overall success rate was 81.5%. Selective HB-P, non-selective HB-P and LBB-P were achieved in 53%, 19% and 28% of successful cases. The mean fluoroscopy time was 11±9 min. The lead delivery was performed using single sheath (C315His) in 83% cases, while in 17% extra steerable sheath was necessary (C304XL). The acute mean LBB-P capture threshold @0.5 ms was significantly lower than in HB-P (0.65±0.43V vs. 1.47±0.8V). The mean chronic LBB-P capture threshold @1.0 ms was also lower than in HB-P (0.45±0.3V vs. 0.95±0.7V, p<0.001). The acute sensing amplitude was significantly higher in LBB-P vs HB-P (10±5mV vs 4±3mV). The mean paced QRS duration was significantly shorter for selective HB-P (113±22 ms) and LBB-P (108±12 ms) vs. non-selective HB-P (132±22 ms). The complications included: 4 cases of threshold increase that required lead revision; 3 early lead dislodgments; 1 loss of LBB capture, 3 pocket hematomas, 2 system infections and 1 pneumothorax.
Baseline characteristics Age; sex 73±12 years (19–95 years); 64% males Mean EF; mean QRS duration; Presence of heart failuire or ischemic heart disease 47±15%; 128±32 ms; 48%; 37.5% Pacing indication AV block 31%; sinus node disease 12%; atrial fibrillation with bradycardia 37%; CRT 20% QRS morphology narrow QRS 61%; LBBB 20%; other 14%; IVCD 6% CRT, Cardiac Resynchronization Therapy; IVCD, Interventricular Conduction Delay.
Conclusion
His-Purkinje system pacing in routine practice has an acceptable success rate, pacing parameters and complication rate; the LBB-P provides better pacing parameters than HB-P. We believe that such single-centre experience paves the way for a large randomized trial of physiologic pacing.
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Affiliation(s)
- M Jastrzebski
- Jagiellonian University Medical College, 1st Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
| | - P J Moskal
- Jagiellonian University Medical College, 1st Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
| | - A Bednarek
- University Hospital of Krakow, 1st Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
| | - G Kielbasa
- Jagiellonian University Medical College, 1st Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
| | - D Czarnecka
- Jagiellonian University Medical College, 1st Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
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Drozdz T, Moskal P, Kusiak A, Bednarek A, Jankowski P, Czarnecka D. P3766Renal denervation in patients with symptomatic chronic heart failure despite resynchronization therapy - safety and intermediate results. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- T Drozdz
- Jagiellonian University Medical College, Ist Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
| | - P Moskal
- Jagiellonian University Medical College, Ist Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
| | - A Kusiak
- Jagiellonian University Medical College, Ist Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
| | - A Bednarek
- Jagiellonian University Medical College, Ist Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
| | - P Jankowski
- Jagiellonian University Medical College, Ist Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
| | - D Czarnecka
- Jagiellonian University Medical College, Ist Department of Cardiology, Interventional Electrocardiology and Hypertension, Krakow, Poland
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Hamouz R, Orzechowska M, Jedroszka D, Baryla I, Pluciennik E, Bednarek A. PO-153 Investigating tobacco smoking differential effects on lung and bladder cancer. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.675] [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: 11/04/2022] Open
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Bednarek A, Mojs E, Krawczyk-Wasielewska A, Głodowska K, Samborski W, Lisiński P, Kopczyński P, Gregersen R, Millán-Calenti JC. Correlation between depression and burden observed in informal caregivers of people suffering from dementia with time spent on caregiving and dementia severity. Eur Rev Med Pharmacol Sci 2016; 20:59-63. [PMID: 26813454] [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: 06/05/2023]
Abstract
OBJECTIVE The aim of the study is to compare data on the examined population of informal caregivers of people suffering from dementia with previous studies, as well as to assess the correlation between (i) depression determined on the basis of the Center for Epidemiologic Studies Depression Scale and (ii) caregiver burden measured by means of the Zarit Caregiver Burden Scale and some chosen parameters, such as total time devoted to caregiving, time of caregiving in hours per week and level of dementia severity measured by Global Deterioration Scale. PATIENTS AND METHODS 41 informal caregivers of people suffering from dementia from different backgrounds were evaluated using the Zarit Caregiver Burden Scale and the Center for Epidemiologic Studies Depression Scale. Demographic data about the time devoted to caregiving and the number of hours spend on caregiving weekly were gathered. The type of dementia and its stage were registered using the Global Deterioration Scale (GDS). With the aid of the Statistica StatSoft program, mutual correlations between the parameters were measured. The study was conducted within the framework of AAL UnderstAID--a platform that supports and helps to understand and assist caregivers in the care of a relative with dementia. The international project is co-founded by the Joint Programme Ambient Assisted Living (Grant code: ESR-aal 2012 5 107). RESULTS No significant correlations between the level of depression severity evaluated in caregivers and the total time of taking care of a demented person or time of caregiving in hours per week were observed. Similarly, no significant correlation between depression severity level and dementia severity level measured on the GDS scale were noted. There was also no significant correlation between Zarit Caregiver Burden Scale scores and the above-mentioned parameters. CONCLUSIONS The level of depression among caregivers do not depend on socio-demographic factors.
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Affiliation(s)
- A Bednarek
- Department of Rheumatology and Rehabilitation, University of Medical Sciences, Poznan, Poland.
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Wieczfinska J, Kacprzak D, Pospiech K, Sokolowska M, Nowakowska M, Pniewska E, Bednarek A, Kuprys-Lipinska I, Kuna P, Pawliczak R. The whole-genome expression analysis of peripheral blood mononuclear cells from aspirin sensitive asthmatics versus aspirin tolerant patients and healthy donors after in vitro aspirin challenge. Respir Res 2015; 16:147. [PMID: 26646719 PMCID: PMC4673746 DOI: 10.1186/s12931-015-0305-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Accepted: 11/25/2015] [Indexed: 01/01/2023] Open
Abstract
Background Up to 30 % of adults with severe asthma are hypersensitive to aspirin and no unambiguous theory exists which provides a satisfactory explanation for the occurrence of aspirin-induced asthma (AIA) in some asthmatic patients. Therefore, the aim of this study was to compare the AIA expression profile against aspirin tolerant asthma (ATA) and healthy volunteers (HV) profile in peripheral blood mononuclear cells (PBMCs) after in vitro aspirin challenge in Caucasian population. Methods PBMCs were separated from blood of three groups of subjects - 11 AIA, 7 ATA and 15 HV and then stimulated by either 2 μM lysine aspirin or 20 μM lysine as a control. Subsequently, RNA was isolated, transcribed into cDNA and subjected to microarray and qPCR studies. Simultaneously, protein was extracted from PBMCs and used in further immunoblotting analysis. Results The validation of results at mRNA level has shown only three genes, whose expression was significantly altered between comprising groups. mRNA expression of CNPY3 in PBMCs in AIA was significantly lower (-0.41 ± 2.67) than in HV (1.04 ± 2.69), (p = 0.02); mRNA expression of FOSL1 in PBMCs in AIA was also significantly decreased (-0.66 ± 2.97) as opposed to HV (0.31 ± 4.83), (p = 0.02). While mRNA expression of ERAS in PBMCs was increased (1.15 ± 0.23) in AIA in comparison to HV (-1.32 ± 0.41), (p = 0.03). At protein level the changed expression of one protein was confirmed. Protein expression of FOSL1 in PBMCs in AIA was both significantly lower (-0.86 ± 0.08) than in ATA (0.39 ± 0.42), (p = 0.046) and in HV (0.9 ± 0.27), (p = 0.007). Conclusions This pilot study implies a positive association between CNPY3, ERAS, FOSL1 and aspirin-intolerant asthma, suggesting that these findings would be useful for further investigations of NSAIDs mechanism. Electronic supplementary material The online version of this article (doi:10.1186/s12931-015-0305-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Joanna Wieczfinska
- Department of Immunopathology, Medical University of Lodz, Chair of Allergology, Immunology and Dermatology, 7/9 Zeligowskiego, 90-752, Lodz, Poland.
| | - Dorota Kacprzak
- Department of Immunopathology, Medical University of Lodz, Chair of Allergology, Immunology and Dermatology, 7/9 Zeligowskiego, 90-752, Lodz, Poland.
| | - Karolina Pospiech
- Department of Molecular Carcinogenesis, Medical University of Lodz, Chair of Molecular Medicine and Biotechnology, Lodz, Poland.
| | - Milena Sokolowska
- Department of Immunopathology, Medical University of Lodz, Chair of Allergology, Immunology and Dermatology, 7/9 Zeligowskiego, 90-752, Lodz, Poland. .,Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Christine Kühne-Center for Allergy Research and Education, Davos, Switzerland.
| | - Magdalena Nowakowska
- Department of Molecular Carcinogenesis, Medical University of Lodz, Chair of Molecular Medicine and Biotechnology, Lodz, Poland.
| | - Ewa Pniewska
- Department of Immunopathology, Medical University of Lodz, Chair of Allergology, Immunology and Dermatology, 7/9 Zeligowskiego, 90-752, Lodz, Poland.
| | - Andrzej Bednarek
- Department of Molecular Carcinogenesis, Medical University of Lodz, Chair of Molecular Medicine and Biotechnology, Lodz, Poland.
| | - Izabela Kuprys-Lipinska
- Department of Internal Medicine, Asthma and Allergy, Medical University of Lodz, Lodz, Poland.
| | - Piotr Kuna
- Department of Internal Medicine, Asthma and Allergy, Medical University of Lodz, Lodz, Poland.
| | - Rafal Pawliczak
- Department of Immunopathology, Medical University of Lodz, Chair of Allergology, Immunology and Dermatology, 7/9 Zeligowskiego, 90-752, Lodz, Poland.
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Bielecki B, Jatczak-Pawlik I, Wolinski P, Bednarek A, Glabinski A. Central Nervous System and Peripheral Expression of CCL19, CCL21 and Their Receptor CCR7 in Experimental Model of Multiple Sclerosis. Arch Immunol Ther Exp (Warsz) 2015; 63:367-76. [PMID: 25957582 PMCID: PMC4572056 DOI: 10.1007/s00005-015-0339-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [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: 11/13/2014] [Accepted: 04/16/2015] [Indexed: 11/25/2022]
Abstract
It is well documented that inflammatory chemokines play a significant role in the development of multiple sclerosis (MS) and its model, experimental autoimmune encephalomyelitis (EAE). Recently, the involvement of homeostatic (or lymphoid) chemokines in the pathogenesis of autoimmune diseases has become an object of intensive study. In this work, quantitative analysis of CCL19, CCL21 and CCR7 expression in the central nervous system (CNS), as well as in inflammatory mononuclear cells isolated from several organs during the first attack, remission and the second attack of chronic-relapsing EAE (ChREAE), was performed. Using real-time PCR, RNAse Protection Assay and immunohistochemistry, the expression of both chemokines, as well as of their common receptor CCR7, was analyzed in the brain, spleen, lymph nodes and peripheral blood mononuclear cells. Increased expression of CCL19 and CCL21 was observed mostly in mononuclear inflammatory cells isolated from the CNS during active ChREAE. At the same time the expression of CCR7 in blood mononuclear leukocytes was reduced. This observation extends our current knowledge about the possible role of chemokines CCL19, CCL21 and their receptor CCR7 in the pathogenesis of ChREAE and, by extension, MS.
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Affiliation(s)
- Bartosz Bielecki
- Department of Neurology and Stroke, Medical University of Lodz, Lodz, Poland.
- U1195 Inserm and University Paris-Sud, 80 General Leclerc st., 94276, Le Kremlin-Bicetre, France.
| | | | - Pawel Wolinski
- Department of Propedeutics of Neurology, Medical University of Lodz, Lodz, Poland
| | - Andrzej Bednarek
- Department of Molecular Cancerogenesis, Medical University of Lodz, Lodz, Poland
| | - Andrzej Glabinski
- Department of Neurology and Stroke, Medical University of Lodz, Lodz, Poland
- Department of Propedeutics of Neurology, Medical University of Lodz, Lodz, Poland
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Mazur M, Bujak A, Matloka M, Janowska S, Gunerka P, Bojarski L, Stanczak A, Klejman A, Bednarek A, Lamparska-Przybysz M, Wieczorek M. Cell-based assay for low- and high-scale screening of the Wnt/β-catenin signaling modulators. Anal Biochem 2015; 475:56-67. [PMID: 25659657 DOI: 10.1016/j.ab.2015.01.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2014] [Revised: 01/10/2015] [Accepted: 01/19/2015] [Indexed: 11/18/2022]
Abstract
Deregulation of the Wnt/β-catenin signaling pathway is associated with many serious disorders, including cancer and Alzheimer's disease. The pivotal player is β-catenin, which avoids degradation after activation of the pathway and is translocated to the nucleus, where it interacts with TCF/LEF transcription factors and induces expression of genes involved in cell cycle and apoptosis regulation. The identification of small molecules that may affect Wnt/β-catenin signaling remains an important target during the development of novel therapies. We used the TCF/LEF lentiviral vector and the Wnt-independent H1703 cell line to develop a luciferase reporter-based cell assay for screening of the Wnt/β-catenin pathway modulators. Following the optimization of cell density, concentration of activator, and stimulation time, the reporter system was validated by demonstrating its specific and dose-dependent response to several established modulators of Wnt/β-catenin signaling such as Wnt3a, small interfering RNA (siRNA) against β-catenin, glycogen synthase kinase 3 (GSK-3), and β-catenin/TCF transcription complex inhibitors. Two pilot screens of inhibitors and activators of Wnt/β-catenin signaling identified potential novel modulators of this pathway. Our findings suggest that the H1703-7TFP assay constitutes a suitable model of low background and high sensitivity for the low- and high-scale screening of the Wnt/β-catenin pathway modulators.
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Affiliation(s)
- Maria Mazur
- Innovative Drugs R&D Department, Celon Pharma, 05-092 Lomianki/Kielpin, Poland; Department of Molecular Cancerogenesis, Medical University of Lodz, 90-419 Lodz, Poland.
| | - Anna Bujak
- Innovative Drugs R&D Department, Celon Pharma, 05-092 Lomianki/Kielpin, Poland; Postgraduate School of Molecular Medicine, 02-091 Warsaw, Poland
| | - Mikolaj Matloka
- Innovative Drugs R&D Department, Celon Pharma, 05-092 Lomianki/Kielpin, Poland; Postgraduate School of Molecular Medicine, 02-091 Warsaw, Poland
| | - Sylwia Janowska
- Innovative Drugs R&D Department, Celon Pharma, 05-092 Lomianki/Kielpin, Poland
| | - Pawel Gunerka
- Innovative Drugs R&D Department, Celon Pharma, 05-092 Lomianki/Kielpin, Poland; Department of Medical Biotechnology, Medical University of Lodz, 90-419 Lodz, Poland
| | - Lukasz Bojarski
- Innovative Drugs R&D Department, Celon Pharma, 05-092 Lomianki/Kielpin, Poland
| | - Aleksandra Stanczak
- Innovative Drugs R&D Department, Celon Pharma, 05-092 Lomianki/Kielpin, Poland
| | - Agata Klejman
- Laboratory of Animal Models, Nencki Institute, 02-093 Warsaw, Poland
| | - Andrzej Bednarek
- Department of Molecular Cancerogenesis, Medical University of Lodz, 90-419 Lodz, Poland
| | | | - Maciej Wieczorek
- Innovative Drugs R&D Department, Celon Pharma, 05-092 Lomianki/Kielpin, Poland
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Stroumza P, Frantzen L, Palmer S, Saglimbene V, Ruospo M, Celia E, Gelfman R, Bednarek A, Dulawa J, Del Castillo C, Hegbrant J, Strippoli G. Dépression chez les patients en hémodialyse : prévalence et corrélation avec la mortalité dans l’étude d’une cohorte multinationale. Nephrol Ther 2013. [DOI: 10.1016/j.nephro.2013.07.128] [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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Griva K, Mooppil N, Pala Krishnan DS, McBain H, Newman SP, Tripepi G, Pannier B, Mallamaci F, London G, Zoccali C, Sood M, Manns B, Kappel J, Naimark D, Dart A, Komenda P, Rigatto C, Hiebert B, Tangri N, Perl J, Karaboyas A, Tentori F, Morgenstern H, Sen A, Rayner H, Vanholder R, Combe C, Hasegawa T, Mapes D, Robinson B, Pisoni R, Tentori F, Zepel L, Karaboyas A, Mendelssohn D, Ikizler T, Pisoni R, Fukuhara S, Gillespie B, Bieber B, Robinson B, Wilkie M, Karaboyas A, Rayner H, Fluck R, Morgenstern H, Li Y, Kerr P, Mendelssohn D, Wikstrom B, Tentori F, Pisoni R, Robinson B, Vanita Jassal S, Comment L, Karaboyas A, Bieber B, Morgenstern H, Sen A, De Sequera P, Marshall M, Fukuhara S, Robinson B, Pisoni R, Jin HM, Pan Y, Raimann JG, Etter M, Kooman J, Levin N, Marcelli D, Marelli C, van der Sande F, Thijssen S, Usvyat L, Kotanko P, Lu KC, Yang HY, Su SL, Palmer S, Saglimbene V, Ruospo M, Craig J, Celia E, Gelfman R, Stroumza P, Bednarek A, Dulawa J, Frazao J, Del Castillo D, Ecder T, Hegbrant J, Strippoli GFM, Hecking M, Bieber B, Ethier J, Kautzky-Willer A, Jadoul M, Saito A, Sunder-Plassmann G, Saemann M, Gillespie B, Horl W, Mariani L, Ramirez S, Pisoni R, Robinson B, Port F, Mallamaci F, Tripepi G, Leonardis D, Zoccali C, Fukuma S, Akizawa T, Akiba T, Saito A, Kurokawa K, Fukuhara S, Pannier B, Tripepi G, Mallamaci F, Zoccali C, London G, Stack AG, Casserly LF, Abdalla AA, Murthy BVR, Hegarty A, Cronin CJ, Hannigan A, Shaw C, Pitcher D, Sandford R, Spoto B, Pizzini P, Cutrupi S, D'Arrigo G, Tripepi G, Zoccali C, Mallamaci F, Ghalia K, Gubensek J, Arnol M, Ponikvar R, Buturovic-Ponikvar J, Palmer S, de Berardis G, Craig JC, Pellegrini F, Ruospo M, Tong A, Tonelli M, Hegbrant J, Strippoli GFM, Pizzini P, Torino C, Cutrupi S, Spoto B, D'Arrigo G, Tripepi R, Tripepi G, Zoccali C, Mallamaci F, von Gersdorff G, Usvyat L, Schaller M, Wong M, Thijssen S, Marcelli D, Barth C, Kotanko P, Torino C, D'Arrigo G, Postorino M, Tripepi G, Mallamaci F, Zoccali C, Chanouzas D, Ng KP, Baharani J, Endo M, Nakamura Y, Hara M, Murakami T, Tsukahara H, Watanabe Y, Matsuoka Y, Fujita K, Inoue M, Simizu T, Gotoh H, Goto Y, Delanaye P, Cavalier E, Moranne O, Krzesinski JM, Warling X, Smelten N, Pottel H, Schneider S, Malecki AK, Haller HG, Boenisch O, Kielstein JT, Movilli E, Camerini C, Gaggia P, Zubani R, Feller P, Poiatti P, Pola A, Carli O, Valzorio B, Possenti S, Bregoli L, Foini P, Cancarini G, Palmer S, Ruospo M, Natale P, Gargano L, Saglimbene V, Pellegrini F, Johnson DW, Craig JC, Hegbrant J, Strippoli GFM, Brunelli S, Krishnan M, Van Wyck D, Provenzano R, Goykhman I, Patel C, Nissenson A, De Mauri A, Conte MM, Chiarinotti D, David P, Capurro F, De Leo M, Postorino M, Marino C, Vilasi A, Tripepi G, Zoccali C, Dialysis C, Helps A, Edwards G, Mactier R, Coia J, Abe Y, Ito K, Ogahara S, Sasatomi Y, Saito T, Nakashima H, Jean-Charles C, Morgane V, Leila P, Carole S, Pierre-Louis C, Philippe Z, Jean-Francois T, Couchoud C, Dantony E, Guerrin MH, Villar E, Ecochard R, Nishi S, Goto S, Nakai K, Kono K, Yonekura Y, Ito J, Fujii H, Korkmaz S, Ersoy A, Gulten S, Ercan I, Koca N, Serdengecti K, Suleymanlar G, Altiparmak M, Seyahi N, Jager K, Trabulus S, Erek E, Cobo Jaramillo G, Gallar P, Di Gioia C, Rodriguez I, Ortega O, Herrero JC, Oliet A, Vigil A, Pechter U, Luman M, Ilmoja M, Sinimae E, Auerbach A, Lilienthal K, Kallaste M, Sepp K, Piel L, Seppet E, Muliin M, Telling K, Seppet E, Kolvald K, Veermae K, Ots-Rosenberg M, Ambrus C, Kerkovits L, Szegedi J, Benke A, Toth E, Nagy L, Borbas B, Rozinka A, Nemeth J, Varga G, Kulcsar I, Gergely L, Szakony S, Kiss I, Koo JR, Choi MJ, Yoon MH, Park JY, No EY, Seo JW, Lee YK, Noh JW. Epidemiology - CKD 5D II. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Politański P, Rajkowska E, Brodecki M, Bednarek A, Zmyślony M. Combined effect of X-ray radiation and static magnetic fields on reactive oxygen species in rat lymphocytes in vitro. Bioelectromagnetics 2012. [DOI: 10.1002/bem.21767] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [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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Coentrao L, Ribeiro C, Santos-Araujo C, Neto R, Pestana M, Kleophas W, Kleophas W, Karaboyas A, LI Y, Bommer J, Pisoni R, Robinson B, Port F, Celik G, Burcak Annagur B, Yilmaz M, Demir T, Kara F, Trigka K, Dousdampanis P, Vaitsis N, Aggelakou-Vaitsi S, Turkmen K, Guney I, Turgut F, Altintepe L, Tonbul HZ, Abdel-Rahman E, Sclauzero P, Galli G, Barbati G, Carraro M, Panzetta GO, Van Diepen M, Schroijen M, Dekkers O, Dekker F, Sikole A, Severova- Andreevska G, Trajceska L, Gelev S, Amitov V, Pavleska- Kuzmanovska S, Karaboyas A, Rayner H, LI Y, Vanholder R, Pisoni R, Robinson B, Port F, Hecking M, Jung B, Leung M, Huynh F, Chung T, Marchuk S, Kiaii M, Er L, Werb R, Chan-Yan C, Beaulieu M, Malindretos P, Makri P, Zagkotsis G, Koutroumbas G, Loukas G, Nikolaou E, Pavlou M, Gourgoulianni E, Paparizou M, Markou M, Syrgani E, Syrganis C, Raimann J, Usvyat LA, Bhalani V, Levin NW, Kotanko P, Huang X, Stenvinkel P, Qureshi AR, Riserus U, Cederholm T, Barany P, Heimburger O, Lindholm B, Carrero JJ, Chang JH, Sung JY, Jung JY, Lee HH, Chung W, Kim S, Han JS, Kim S, Chang JH, Jung JY, Chung W, Na KY, Raimann J, Usvyat LA, Kotanko P, Levin NW, Fragoso A, Pinho A, Malho A, Silva AP, Morgado E, Leao Neves P, Joki N, Tanaka Y, Iwasaki M, Kubo S, Hayashi T, Takahashi Y, Hirahata K, Imamura Y, Hase H, Castledine C, Gilg J, Rogers C, Ben-Shlomo Y, Caskey F, Na KY, Kim S, Chung W, Jung JY, Chang JH, Lee HH, Sandhu JS, Bajwa GS, Kansal S, Sandhu J, Jayanti A, Nikam M, Ebah L, Summers A, Mitra S, Agar J, Perkins A, Simmonds R, Tjipto A, Amet S, Launay-Vacher V, Laville M, Tricotel A, Frances C, Stengel B, Gauvrit JY, Grenier N, Reinhardt G, Clement O, Janus N, Rouillon L, Choukroun G, Deray G, Bernasconi A, Waisman R, Montoya AP, Liste AA, Hermes R, Muguerza G, Heguilen R, Iliescu EL, Martina V, Rizzo MA, Magenta P, Lubatti L, Rombola G, Gallieni M, Loirat C, Loirat C, Mellerio H, Labeguerie M, Andriss B, Savoye E, Lassale M, Jacquelinet C, Alberti C, Aggarwal Y, Baharani J, Tabrizian S, Ossareh S, Zebarjadi M, Azevedo P, Travassos F, Frade I, Almeida M, Queiros J, Silva F, Cabrita A, Rodrigues R, Couchoud C, Kitty J, Benedicte S, Fergus C, Cecile C, Couchoud C, Sahar B, Emmanuel V, Christian J, Rene E, Barahimi H, Mahdavi-Mazdeh M, Nafar M, Petruzzi M, De Benedittis M, Sciancalepore M, Gargano L, Natale P, Vecchio MC, Saglimbene V, Pellegrini F, Gentile G, Stroumza P, Frantzen L, Leal M, Torok M, Bednarek A, Dulawa J, Celia E, Gelfman R, Hegbrant J, Wollheim C, Palmer S, Johnson DW, Ford PJ, Craig JC, Strippoli GF, Ruospo M, El Hayek B, Hayek B, Baamonde E, Bosch E, Ramirez JI, Perez G, Ramirez A, Toledo A, Lago MM, Garcia-Canton C, Checa MD, Canaud B, Canaud B, Lantz B, Pisoni R, Granger-Vallee A, Lertdumrongluk P, Molinari N, Ethier J, Jadoul M, Gillespie B, Port F, Bond C, Wang S, Alfieri T, Braunhofer P, Newsome B, Wang M, Bieber B, Guidinger M, Bieber B, Wang M, Zuo L, Pisoni R, Yu X, Yang X, Qian J, Chen N, Albert J, Yan Y, Ramirez S, Bernasconi A, Waisman R, Beresan M, Lapidus A, Canteli M, Heguilen R, Tong A, Palmer S, Manns B, Craig J, Ruospo M, Gargano L, Strippoli G, Mortazavi M, Vahdatpour B, Shahidi S, Ghasempour A, Taheri D, Dolatkhah S, Emami Naieni A, Ghassami M, Khan M, Abdulnabi K, Pai P, Ruospo M, Petruzzi M, De Benedittis M, Sciancalepore M, Gargano L, Vecchio M, Saglimbene V, Natale P, Pellegrini F, Gentile G, Stroumza P, Frantzen L, Leal M, Torok M, Bednarek A, Dulawa J, Celia E, Gelfman R, Hegbrant J, Wollheim C, Palmer S, Johnson DW, Ford PJ, Craig JC, Strippoli GF, Muqueet MA, Muqueet MA, Hasan MJ, Kashem MA, Dutta PK, Liu FX, Noe L, Quock T, Neil N, Inglese G, Qian J, Bieber B, Guidinger M, Bieber B, Chen N, Yan Y, Pisoni R, Wang M, Zuo L, Yu X, Yang X, Wang M, Albert J, Ramirez S, Ossareh S, Motamed Najjar M, Bahmani B, Shafiabadi A, Helve J, Haapio M, Groop PH, Gronhagen-Riska C, Finne P, Helve J, Haapio M, Sund R, Groop PH, Gronhagen-Riska C, Finne P, Cai M, Baweja S, Clements A, Kent A, Reilly R, Taylor N, Holt S, Mcmahon L, Usvyat LA, Carter M, Van der Sande FM, Kooman J, Raimann J, Levin NW, Kotanko P, Usvyat LA, Malhotra R, Ouellet G, Penne EL, Raimann J, Thijssen S, Levin NW, Kotanko P, Etter M, Tashman A, Guinsburg A, Grassmann A, Barth C, Marelli C, Marcelli D, Van der Sande FM, Von Gersdorff G, Bayh I, Kooman J, Scatizzi L, Lam M, Schaller M, Thijssen S, Toffelmire T, Wang Y, Sheppard P, Usvyat LA, Levin NW, Kotanko P, Neri L, Andreucci VA, Rocca-Rey LA, Bertoli SV, Brancaccio D, Tjipto A, Simmonds R, Agar J, Huang X, Stenvinkel P, Qureshi AR, Riserus U, Cederholm T, Barany P, Heimburger O, Lindholm B, Carrero JJ, Vecchio M, Palmer S, De Berardis G, Craig J, Lucisano G, Johnson D, Pellegrini F, Nicolucci A, Sciancalepore M, Saglimbene V, Gargano L, Bonifati C, Ruospo M, Navaneethan SD, Montinaro V, Stroumza P, Zsom M, Torok M, Celia E, Gelfman R, Bednarek-Skublewska A, Dulawa J, Graziano G, Gentile G, Ferrari JN, Santoro A, Zucchelli A, Triolo G, Maffei S, Hegbrant J, Wollheim C, De Cosmo S, Manfreda VM, Strippoli GF, Janus N, Janus N, Launay-Vacher V, Juillard L, Rousset A, Butel F, Girardot-Seguin S, Deray G, Hannedouche T, Isnard M, Berland Y, Vanhille P, Ortiz JP, Janin G, Nicoud P, Touam M, Bruce E, Rouillon L, Laville M, Janus N, Juillard L, Rousset A, Butel F, Girardot-Seguin S, Deray G, Hannedouche T, Isnard M, Berland Y, Vanhille P, Ortiz JP, Janin G, Nicoud P, Touam M, Bruce E, Rouillon L, Laville M, Janus N, Launay-Vacher V, Juillard L, Rousset A, Butel F, Girardot-Seguin S, Deray G, Hannedouche T, Isnard M, Berland Y, Vanhille P, Ortiz JP, Janin G, Nicoud P, Touam M, Bruce E, Rouillon L, Laville M, Grace B, Clayton P, Cass A, Mcdonald S, Baharani J, Furumatsu Y, Kitamura T, Fujii N, Ogata S, Nakamoto H, Iseki K, Tsubakihara Y, Chien CC, Wang JJ, Hwang JC, Wang HY, Kan WC, Kuster N, Kuster N, Patrier L, Bargnoux AS, Morena M, Dupuy AM, Badiou S, Canaud B, Cristol JP, Desmet JM, Fernandes V, Collart F, Spinogatti N, Pochet JM, Dratwa M, Goffin E, Nortier J, Zilisteanu DS, Voiculescu M, Rusu E, Achim C, Bobeica R, Balanica S, Atasie T, Florence S, Anne-Marie S, Michel L, Cyrille C, Emmanuel V, Strakosha A, Strakosha A, Pasko N, Kodra S, Thereska N, Lowney A, Lowney E, Grant R, Murphy M, Casserly L, O' Brien T, Plant WD, Radic J, Radic J, Ljutic D, Kovacic V, Radic M, Dodig-Curkovic K, Sain M, Jelicic I, Fujii N, Hamano T, Nakano C, Yonemoto S, Okuno A, Katayama M, Isaka Y, Nordio M, Limido A, Postorino M, Nichelatti M, Khil M, Dudar I, Khil V, Shifris I, Momtaz M, Soliman AR, El Lawindi MI, Dzekova-Vidimliski P, Pavleska-Kuzmanovska S, Trajceska L, Nikolov I, Selim G, Gelev S, Amitov V, Sikole A, Shoji T, Kakiya R, Hayashi T, Tatsumi-Shimomura N, Tsujimoto Y, Tabata T, Shima H, Mori K, Fukumoto S, Tahara H, Koyama H, Emoto M, Ishimura E, Nishizawa Y, Inaba M. Epidemiology and outcome research in CKD 5D. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kordyasz AJ, Kowalczyk M, Kisieliński M, Bednarek A, Hadyńska-Klek M, Wieloch A, Sosin Z, Atanasov D, Sarnecki J, Brzozowski A, Jagielski J, Teodorczyk M, Gajewski M, Wiśniewska A, Krzyżak K, Gawlik G, Zagojski A. Silicon vertex detector for superheavy elements identification. EPJ Web of Conferences 2012. [DOI: 10.1051/epjconf/20123100041] [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: 11/14/2022] Open
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Brodecki M, Bednarek A, Janiak P, Zmyślony M. [Quality control testing of x-ray equipment used in medical diagnostic: results of interlaboratory comparison]. Med Pr 2012; 63:345-354. [PMID: 22880455] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023] Open
Abstract
BACKGROUND Effective diagnostic radiology system should be based on an efficient and suitable servicing of medical X-ray equipment. According to Polish requirements, all radiology departments are obligated to carry out quality control (QC) test of their X-ray set. In practice, testing is mostly performed by accredited external QC services, which have to participate in periodic interlaboratory comparison (ILC) to maintain or obtain the accreditation. Large-scale ILC for QC services were performed at the Nofer Institute of Occupational Medicine for three ranges of diagnostic radiology: dental, conventional and mammography. MATERIALS AND METHODS During ILC, the metrological coherence of main physical parameters, which determine good quality of diagnostic image, were estimated and compared with appropriate reference values ensured by ILC organizer. The ILC participants comprised 29 QC services. The measurements were performed by ILC participants under laboratory conditions, using their own calibrated meters, according to routine procedures. All measurement results were assessed by calculating the E(n) value, normalized with respect to the uncertainties. RESULTS Of the 328 evaluated results only 11 (3.4%) were classified as unsatisfactory. As much as 82% of them applied to mammography. Thus, the final evaluation revealed negative results in 2 of the 29 participants, which means that their satisfactory scores for the studied ranges were below 75%. CONCLUSIONS In spite of predominant amount of satisfactory results, ILC indicated some regions of divergence e.g. large differences in evaluation of uncertainties and other inconsistencies.
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Affiliation(s)
- Marcin Brodecki
- Radiation Protection Department, Nofer Institute of Occupational Medicine, Lódź, Poland.
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Jankowski P, Bednarek A, Kloch-Badełek M, Wiliński J, Bryniarski L, Dudek D, Czarnecka D, Kawecka-Jaszcz K. P7.10 RENAL FUNCTION DOES NOT MODIFY PREDICTIVE VALUE OF CENTRAL PULSE PRESSURE AND PULSATILITY IN PATIENTS WITH CAD. Artery Res 2011. [DOI: 10.1016/j.artres.2011.10.117] [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: 10/14/2022] Open
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Majda K, Kaufman-Szymczyk A, Lubecka-Pietruszewska K, Bednarek A, Fabianowska-Majewska K. Influence of clofarabine on transcriptional activity of PTEN, APC, RARB2, ZAP70 genes in K562 cells. Anticancer Res 2010; 30:4601-4606. [PMID: 21115912] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND In this study, the effect of clofarabine, a new generation 2'-deoxyadenosine analogue, on promoter methylation and transcriptional activity of selected genes (PTEN, APC, RARB2, ZAP70) in K562 cells was assessed. MATERIALS AND METHODS Promoter methylation was estimated using methylation-sensitive restriction analysis. The mRNA level of the genes was measured with real-time PCR. RESULTS The inhibitory cytostatic index (IG(50)) for clofarabine in K562 cells cultured for 72 (or 96) h was 8 nM. The drug (20 nM) caused: (i) potent diminution in methylation of PTEN promoter, moderate methylation reduction of APC and RARB2 promoters, and complete methylation of ZAP70 promoter; (ii) significant stimulation of PTEN, APC, RARB, and p21 mRNA expression and (iii) decline in mRNA level of ZAP70 and DNMT1 genes. CONCLUSION The results indicated that clofarabine is involved in epigenetic regulation of transcriptional activity of the tested tumour suppressor genes and genes encoding proteins involved in DNA methylation process.
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Affiliation(s)
- Katarzyna Majda
- Department of Biomedical Chemistry, Medical University of Lodz, Poland.
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Bednarek A, Atras A, Gągała J, Kozak Ł. Operative technique and results of core decompression and filling with bone grafts in the treatment of osteonecrosis of femoral head. Ortop Traumatol Rehabil 2010; 12:511-518. [PMID: 21273647] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND The aim of this paper is to present the operative technique and results of core decompression and clearing of a necrotic zone in the femoral head followed by filling the defect with impacted autologous or synthetic bone grafts. This procedure allows for mechanical prevention of further collapse of the femoral head and loss of its spherical shape. It also creates conditions for the incorporation of the biological graft or synthetic bone. MATERIALS AND METHODS A series of 63 patients (72 hips) were treated for aseptic osteonecrosis of the femoral head between 1996 and 2009. This group comprised 42 men and 21 women aged 19 to 60 years (average age: 35 years). Radiographic staging of necrosis was based on the ARCO (Association Research Circulation Osseous) classification. All patients were treated with core decompression followed by filling the bone defect with autologous or synthetic (Wright ProDense) bone grafts. RESULTS Average follow-up was 5 years (from 1 to 12 years). After one year of follow-up, pain relief with preservation of a spherical femoral head was obtained in 45 hips (63%). Sixteen hips (22%) had significant limitation of the range of motion that, however, did not exceed preoperative values, with no significant pain during walking, and loss of the spherical shape of the femoral head on radiographs. CONCLUSIONS Filling the defect with morsellized or synthetic bone grafts followed by graft impaction creates mechanical and biological conditions for graft incorporation. Where collapse has not occurred during the first six post-operative months, a good and lasting result can be expected.
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Affiliation(s)
- Andrzej Bednarek
- Trauma and Orthopaedic Department, Cardinal Stefan Wyszyński Regional Specialised Hospital, Lublin, Poland.
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Radziejewicz P, Gregosiewicz A, Bednarek A, Siczek M. [The attempt of identification of the essentials risk factors of venous thromboembolism after hip arthroplasty despite of pharmacological prophylaxis]. Chir Narzadow Ruchu Ortop Pol 2010; 75:242-247. [PMID: 21375033] [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: 05/30/2023]
Abstract
Hip arthroplasty is of particular great risk of venous thromboembolism (VTE). The objective of this study was to identify the risk factors of VTE and the analysis of their influence on VTE appear. There were 213 patients after hip arthroplasty in the investigation group. VTE occurred in 15 patients (7.04%).We found Deep Venous Thrombosis (DVT) in eight patients (3.75%) and Pulmonary Embolism (PE) in seven (3.3%). The analysis showed statistically real dependence on patient age, obesity, veins varicoses of lower extremity and VTE occur. We also showed the significant influence of the time of the leg ultraposition time during the surgery on the frequency of VTE episodes, which hasn't been described jet in accessible literature. It is the only risk factor which may be limited by simply modification of surgery technique.
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Affiliation(s)
- Paweł Radziejewicz
- Oddział Urazowo-Ortopedyczny, Wojewódzki Szpital Specjalistyczny im. Stefana Kardynała Wyszyńskiego w Lublinie.
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20
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Kordek R, Potemski P, Kusinska R, Pluciennik E, Bednarek A. Basal keratin expression in breast cancer by quantification of mRNA and by immunohistochemistry. J Exp Clin Cancer Res 2010; 29:39. [PMID: 20426817 PMCID: PMC2873424 DOI: 10.1186/1756-9966-29-39] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/19/2009] [Accepted: 04/28/2010] [Indexed: 12/31/2022]
Abstract
Definitions of basal-like breast cancer phenotype vary, and microarray-based expression profiling analysis remains the gold standard for the identification of these tumors. Immunohistochemical identification of basal-like carcinomas is hindered with a fact, that on microarray level not all of them express basal-type cytokeratin 5/6, 14 and 17. We compared expression of cytokeratin 5, 14 and 17 in 115 patients with operable breast cancer estimated by real-time RT-PCR and immunohistochemistry. Despite the method of dichotomization and statistical analysis, there were cases with discordant results comparing immunohistochemistry and RT-PCR analysis. For dichotomisation based on quartiles and ROC, 14% of cases were negative on immunohistochemical examination for CK5/6, but presented high CK5 mRNA levels. There were also 48-55% cases, which were CK5/6-immunopositive, but were negative by mRNA examination. Similar discordances were observed for CK14 and CK17. Basal keratin mRNAs did not correlate with ER mRNA levels, while immunohistochemistry produced significant relationship with ER status. Our observation suggest that both method may produce different results in a small proportion of cases. Discordance between immunohistochemistry and RT-PCR may confound attempts to establish a simple methods for identification of basal-like tumors.
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Affiliation(s)
- Radzislaw Kordek
- Department of Pathology, Medical University of Lodz, 4 Paderewski St., Lodz, Poland.
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Robak T, Kordek R, Urbanska-Rys H, Robak P, Bartkowiak J, Bednarek A, Chudobinski C, Chojnowski K. High activity of rituximab combined with cladribine and cyclophosphamide in a patient with pulmonary lymphomatoid granulomatosis and bone marrow involvement. Leuk Lymphoma 2009; 47:1667-9. [PMID: 16966281 DOI: 10.1080/10428190600564753] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Jakubowska J, Stasiak M, Szulawska A, Bednarek A, Czyz M. Combined effects of doxorubicin and STI571 on growth, differentiation and apoptosis of CML cell line K562. Acta Biochim Pol 2007; 54:839-846. [PMID: 17957275] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2007] [Revised: 09/16/2007] [Accepted: 10/05/2007] [Indexed: 05/25/2023]
Abstract
STI571 (imatinib mesylate; Gleevec) is an inhibitor that targets the tyrosine kinase activity of Bcr-Abl present in chronic myelogenous leukemia (CML) cells. Some preclinical studies have demonstrated that the combination of STI571 with chemotherapeutic drugs results in enhanced toxicity in Bcr-Abl-positive leukemias. We investigated the potential benefit of using STI571 to down-regulate Bcr-Abl activity for the enhancement of doxorubicin anti-proliferative action in K562 cell line derived from blast crisis of CML. At low concentrations of both drugs (40 nM doxorubicin combined with STI571 in the range of 100-150 nM), the antiproliferative effects were mainly due to cellular differentiation as assessed by benzidine staining for hemoglobin synthesis level and real-time PCR for gamma-globin expression. Higher concentrations of STI571 used in combinations with doxorubicin caused mainly apoptosis as shown by DNA degradation and nuclear fragmentation visualized by fluorescence microscopy after DAPI staining, changes in cell morphology observed after Giemza-May Grünwald staining and cellular membrane organization estimated by flow cytometry after Annexin V staining. As compared with either drug alone, cotreatment with STI571 and DOX induced stronger cellular responses. A low concentration of STI571 in combination with a low concentration of DOX might be tested as an alternative approach to increasing the efficacy of chemotherapy against CML.
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Affiliation(s)
- Justyna Jakubowska
- Department of Molecular Biology of Cancer, Medical University of Lodz, Łódź, Poland
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Jakubowska J, Stasiak M, Szulawska A, Bednarek A, Czyz M. Combined effects of doxorubicin and STI571 on growth, differentiation and apoptosis of CML cell line K562. Acta Biochim Pol 2007. [DOI: 10.18388/abp.2007_3181] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
STI571 (imatinib mesylate; Gleevec) is an inhibitor that targets the tyrosine kinase activity of Bcr-Abl present in chronic myelogenous leukemia (CML) cells. Some preclinical studies have demonstrated that the combination of STI571 with chemotherapeutic drugs results in enhanced toxicity in Bcr-Abl-positive leukemias. We investigated the potential benefit of using STI571 to down-regulate Bcr-Abl activity for the enhancement of doxorubicin anti-proliferative action in K562 cell line derived from blast crisis of CML. At low concentrations of both drugs (40 nM doxorubicin combined with STI571 in the range of 100-150 nM), the antiproliferative effects were mainly due to cellular differentiation as assessed by benzidine staining for hemoglobin synthesis level and real-time PCR for gamma-globin expression. Higher concentrations of STI571 used in combinations with doxorubicin caused mainly apoptosis as shown by DNA degradation and nuclear fragmentation visualized by fluorescence microscopy after DAPI staining, changes in cell morphology observed after Giemza-May Grünwald staining and cellular membrane organization estimated by flow cytometry after Annexin V staining. As compared with either drug alone, cotreatment with STI571 and DOX induced stronger cellular responses. A low concentration of STI571 in combination with a low concentration of DOX might be tested as an alternative approach to increasing the efficacy of chemotherapy against CML.
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Robak E, Jesionek-Kupnicka D, Robak T, Holub A, Wawrzyniak E, Bartkowiak J, Bednarek A, Constantinu M, Urbanska-Rys H. Primary cutaneous marginal zone B-cell lymphoma in a patient with chronic lymphocytic leukaemia. Br J Dermatol 2007; 157:591-5. [PMID: 17697078 DOI: 10.1111/j.1365-2133.2007.07923.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Primary cutaneous marginal zone B-cell lymphoma (PCMZL) is a low-grade malignant lymphoma that presents in the skin with no evidence of extracutaneous localization at diagnosis. We present an 80-year-old woman with B-cell chronic lymphocytic leukaemia (CLL) who developed multifocal PCMZL lesions 14 months after CLL diagnosis. PCMZL was clonally similar to the original bone marrow (BM) CLL cells. The specific translocation t(14;18) (q32;q21) with breakpoints in IGH and BCL2 loci was found in a skin specimen, but was absent in BM and peripheral blood (PB) cells. In contrast, a 13q deletion was found in BM and PB CLL cells. The patient was treated with chlorambucil and complete response of PCMZL was achieved. To our knowledge this is the first patient with CLL in whom PCMZL has been diagnosed.
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MESH Headings
- Aged, 80 and over
- Antineoplastic Agents, Alkylating/therapeutic use
- Chlorambucil/therapeutic use
- Chromosome Deletion
- Chromosomes, Human, Pair 14
- Chromosomes, Human, Pair 18
- Female
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Lymphoma, B-Cell/drug therapy
- Lymphoma, B-Cell/genetics
- Lymphoma, B-Cell/pathology
- Skin Neoplasms/drug therapy
- Skin Neoplasms/genetics
- Skin Neoplasms/pathology
- Translocation, Genetic
- Treatment Outcome
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Affiliation(s)
- E Robak
- Department of Dermatology, Medical University of Łodz, Łodz, Poland
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25
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Robak E, Góra-Tybor J, Kordek R, Wawrzyniak E, Bartkowiak J, Bednarek A, Constantinou M, Kałuzewski B, Robak T. Richter syndrome first manifesting as cutaneous B-cell lymphoma clonally distinct from primary B-cell chronic lymphocytic leukaemia. Br J Dermatol 2006; 153:833-7. [PMID: 16181471 DOI: 10.1111/j.1365-2133.2005.06805.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [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: 11/27/2022]
Abstract
Richter syndrome (RS) is a transformation to high-grade non-Hodgkin lymphoma in patients with chronic lymphocytic leukaemia (CLL). RS may develop in lymph nodes or rarely extranodally. Skin localization of RS has been described in only a few cases. We present a 77-year-old woman who developed isolated diffuse large B-cell lymphoma (LBCL) in the skin of the nose without any other symptoms of RS. The LBCL in the skin was clonally distinct from the original bone marrow CLL cells. Moreover, LBCL cells were positive for LMP-1 segment of Epstein-Barr virus and overexpressed p53 protein. The patient was successfully treated with CHOP (cyclophosphamide, doxorubicin, vincristine and prednisone) and adjuvant local radiotherapy.
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Affiliation(s)
- E Robak
- Department of Dermatology, Medical University of Łodz, Łodz, Poland.
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Gagała J, Blacha J, Bednarek A. [Chiari pelvic osteotomy in the treatment of hip dysplasia in adults]. Chir Narzadow Ruchu Ortop Pol 2006; 71:183-5. [PMID: 17131723] [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: 05/12/2023]
Abstract
INTRODUCTION [corrected] The aim of the study is early results evaluation of Chiari pelvic osteotomy. MATERIALS AND METHODS In the years 1997-2003 36 patients (26 women and 10 men) in the age from 16 to 50 years old were operated on because of hip joint dysplasia. The indications for operative treatment were: pain, age less than 50 years, insufficient femoral head coverage without evidence of arthritic changes on X-ray. RESULTS There were no intraoperative and postoperative complications. Harris Hip Score improved from 85 points before operation (from 82 to 90 pts.) to 95 points (from 92 to 100 pts.) after operative treatment. There was pain relief in most of the patients after osteotomy. Osteotomy healing was seen on X-ray examination usually after 6-12 weeks in 33 patients. Delayed osteotomy union till 6th postoperative month without influence on clinical hip improvement was seen in 3 patients. The increase in Wiberg CE angle from average 17.2 degrees (from 3 to 33 degrees) before operation to 44.9 degrees (from 19 to 78 degrees) after operation was statistically significant p< 0.00045. There was no loss in osteotomy correction. CONCLUSION Supraacetabular osteotomy decreases pain, and increases hip function. Improvement in hip biomechanics and increase in femoral head coverage may lead to decrease in development of hip joint arthritic changes and time preserve before total hip arthroplasty.
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Affiliation(s)
- Jacek Gagała
- Katedra i Klhnika Ortopedii i Traumatologii Akademii Medycznej im. Prof Feliksa Skubiszewskiego w Lublinie
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Mazurkiewicz T, Bednarek A, Mazurkiewicz M, Gagała J, Kopacz J, Warda E. Restoration of bone stock after aseptic loosening of a distal post-resections femoral prosthesis. Ortop Traumatol Rehabil 2005; 7:616-9. [PMID: 17611424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Background. The aseptic loosening of the stem is a frequent complication of post-resection endoprosthesis. Material and methods. Twenty-one patients were operated for primary neoplasm of the distal femoral epiphysis. In 3 cases (14.3%) loosening of the endoprosthesis stem appeared 4 to 8 years after the resection-reconstruction procedure. In all cases the endoprosthesis was reinserted with reconstruction of the femoral shaft, using cancellous femoral impaction grafting with cement (Exeter technique). Results. The early results of revision surgery were good in all 3 cases. Subtrochanteric fracture appeared at the site where the cortex of the femoral shaft cortex was perforated by the endoprosthesis stem tip, ca. 18 months after reinsertion. Loosening of the reinserted endoprosthesis appeared in another female patient. The outcomes of revision surgery were good 2 to 3.5 years post surgery in both patients. Conclusions. The outcome of revision surgery for loosening of the femoral component of a post-resection endoprosthesis is good if there is no perforation of the femoral cortex.
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28
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Piaskowski S, Rieske P, Szybka M, Wozniak K, Bednarek A, Płuciennik E, Jaskolski D, Sikorska B, Liberski PP. GADD45A and EPB41 as tumor suppressor genes in meningioma pathogenesis. ACTA ACUST UNITED AC 2005; 162:63-7. [PMID: 16157202 DOI: 10.1016/j.cancergencyto.2005.02.009] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2004] [Revised: 02/01/2005] [Accepted: 02/11/2005] [Indexed: 10/25/2022]
Abstract
Deletions of 1p occur in approximately 30% of meningiomas. Based on loss of heterozygosity (LOH) analysis, two regions on 1p have been suspected to be carriers of tumor suppressor genes. We chose the GADD45A and EPB41 genes as tumor suppressor candidates based on their function and chromosomal localization. We analyzed 19 cases of meningioma with LOH of 1p by means of sequencing of the GADD45A gene and Western blotting of the GADD45a protein. Twenty cases of meningioma without 1p LOH were also analyzed by Western blotting to find out if changes of the GADD45a protein expression occurred. Nineteen samples with 1p LOH (12 grade I; 7 grade II, WHO classification) and 20 samples without 1p LOH (18 grade I; 2 grade II) were also analyzed by means of real-time polymerase chain reaction to find abnormalities in EPB41 mRNA levels in meningioma. LOH analysis was performed using seven microsatellite markers: D1S508 (1p36.2), D1S199 (1p36.1) D1S2734 (1p36.1), D1S2720 (1p34), D1S197 (1p32), D1S162 (1p32), D1S429 (1p11). LOH analysis confirmed previously described localization of putative tumor suppressor genes on 1p and involvement in meningioma pathogenesis (1p36 and 1p32). The open reading frame of GADD45A and intron splicing sites showed neither mutations nor polymorphisms. GADD45a protein molecular weight and expression level were unaltered in meningiomas with and without 1p LOH. We conclude that the GADD45A gene is not involved in meningioma tumorigenesis. EPB41 gene expression was unchanged in all analyzed meningiomas. This suggests that involvement of the EPB41 gene (4.1R protein) in meningioma pathogenesis should be reconsidered.
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Affiliation(s)
- S Piaskowski
- Department of Molecular Pathology and Neuropathology, Chair of Oncology, Medical University, Czechoslowacka st. 8/10, 92-216 Lodz, Poland
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Espejo A, Côté J, Bednarek A, Richard S, Bedford MT. A protein-domain microarray identifies novel protein-protein interactions. Biochem J 2002; 367:697-702. [PMID: 12137563 PMCID: PMC1222921 DOI: 10.1042/bj20020860] [Citation(s) in RCA: 121] [Impact Index Per Article: 5.5] [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] [Received: 06/04/2002] [Revised: 07/02/2002] [Accepted: 07/23/2002] [Indexed: 11/17/2022]
Abstract
Protein domains mediate protein-protein interactions through binding to short peptide motifs in their corresponding ligands. These peptide recognition modules are critical for the assembly of multiprotein complexes. We have arrayed glutathione S-transferase (GST) fusion proteins, with a focus on protein interaction domains, on to nitrocellulose-coated glass slides to generate a protein-domain chip. Arrayed protein-interacting modules included WW (a domain with two conserved tryptophans), SH3 (Src homology 3), SH2, 14.3.3, FHA (forkhead-associated), PDZ (a domain originally identified in PSD-95, DLG and ZO-1 proteins), PH (pleckstrin homology) and FF (a domain with two conserved phenylalanines) domains. Here we demonstrate, using peptides, that the arrayed domains retain their binding integrity. Furthermore, we show that the protein-domain chip can 'fish' proteins out of a total cell lysate; these domain-bound proteins can then be detected on the chip with a specific antibody, thus producing an interaction map for a cellular protein of interest. Using this approach we have confirmed the domain-binding profile of the signalling molecule Sam68 (Src-associated during mitosis 68), and have identified a new binding profile for the core small nuclear ribonucleoprotein SmB'. This protein-domain chip not only identifies potential binding partners for proteins, but also promises to recognize qualitative differences in protein ligands (caused by post-translational modification), thus getting at the heart of signal transduction pathways.
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Affiliation(s)
- Alexsandra Espejo
- The University of Texas M.D. Anderson Cancer Center, Science Park - Research Division, P.O. Box 389, Smithville, TX 78957, USA
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Floriańczyk B, Karska M, Bednarek A. The level of magnesium in the serum of children hospitalized for severe respiratory infections. Ann Univ Mariae Curie Sklodowska Med 2002; 56:243-7. [PMID: 11977318] [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: 02/24/2023]
Abstract
The objective of the studies was evaluation of the level of magnesium in children hospitalized for severe respiratory infections (mainly pneumonia and bronchitis). The criterion for the evaluation of the magnesium level in the serum of the children hospitalized for severe respiratory infections were the following parameters: general condition of the child at the time of admittance, feeding pattern and psychosomatic development in the children with respiratory infection. The level of magnesium in the serum of the children admitted with median general condition was higher than that of the children admitted with poor general condition. The level of magnesium in the serum of breastfed children and those with correct psychosomatic development was higher than the level of magnesium in children fed artificially and representing backward psychosomatic development.
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Affiliation(s)
- B Floriańczyk
- Department of Biochemistry and Molecular Biology, Medical University of Lublin
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Kluszczyński D, Kamiński Z, Jankowski J, Kacprzyk J, Bednarek A. Film badges for personal dosimetry of roentgen radiation. Int J Occup Med Environ Health 2001; 13:195-203. [PMID: 11109743] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
The paper describes the calibration procedure for and data obtained from routine X-ray dosimetry service in Poland. In 1998 the number of readouts amounted to 152,000. The dosimetry concerned 31,281 workers in 3,113 enterprises. The annual collective dose was assessed to be 16.7 man.Sv. The analysis of the calibration quality is discussed as well. Only 2.9% of all points lay outside the quality curve while the number of the acceptable outliers was 5%.
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Affiliation(s)
- D Kluszczyński
- Department of Radiological Protection, Nofer Institute of Occupational Medicine, Lódź, Poland
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Ozonek W, Bednarek A, Gagała J, Górecki A, Purski K. Outcome of revision hip arthroplasty. Ortop Traumatol Rehabil 2001; 3:48-50. [PMID: 17986961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Background. Clinical material collected from 1989 to 1999 from three orthopedic centers is discussed: the Orthopedic Clinic at the Center for Postgraduate Medical Education in Otwock, the Orthopedic Clinic at the Lublin Academy of Medicine, and the Orthopedic Clinic at the Warsaw Academy of Medicine.<br /> Material and methods. During this period 511 patients with an average age of 66 were treated. The authors explain the reasons for aseptic loosening of hip prostheses, the types of implants replaced, and the methods of surgical treatment.<br /> Analysis of results. The importance of correct surgical technique and modern cementing methods during primary arthroplasty for the duration of good prosthesis functioning is discussed. A good outcome from revision arthroplasty can be expected only when the decision to treat is made early. The authors confirm the usability of impacted camcellous allografts for revision hip arthroplasty. Complications during and after surgery are also discussed. Difficulties in the clinical and radiological evaluation of treatment outcomes caused by differing criteria used in each orthopedic treatment are also discussed in this article.<br /> Conclusions. In the conclusion the authors propose rules for surgical treatment to reduce the number of revision procedures.
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Bednarek A, Shilkaitis A, Green A, Lubet R, Kelloff G, Christov K, Aldaz CM. Suppression of cell proliferation and telomerase activity in 4-(hydroxyphenyl)retinamide-treated mammary tumors. Carcinogenesis 1999; 20:879-83. [PMID: 10334206 DOI: 10.1093/carcin/20.5.879] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [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: 11/13/2022] Open
Abstract
The detection of telomerase activity has been proposed as a biomarker of breast cancer development and progression. In this study, we used cell proliferation and telomerase in MNU (N-methyl-N-nitrosourea)-induced mammary carcinomas as targets for assessing the response of tumor cells to 4-(hydroxyphenyl)retinamide (4-HPR), a known inhibitor of mammary carcinogenesis in animal models and premenopausal women. In mammary tumors of rats treated for 1, 2, 4 or 6 weeks with 4-HPR, we observed that telomerase activity decreased progressively with the extension of 4-HPR administration. A marked reduction in telomerase activity was already observed by 2 weeks after treatment and the lowest level was found at 6 weeks after initiation of 4-HPR treatment. The changes in telomerase activity were preceded and accompanied by a significant decrease in the percentage of proliferating cells as evaluated by 5-bromodeoxyuridine (BrdU)-labeling. However, when the values of telomerase activity in the individual tumors were compared with the percentage of proliferating cells, no significant correlation was found. These data suggest that the decreased telomerase activity in the animals treated with 4-HPR is not a simple consequence of the changes in cell proliferation, but a more complex phenomenon involving different cellular mechanisms and pathways. The time-dependent and consistent decrease of telomerase activity in the tumors treated with 4-HPR suggests that, in addition to the percentage of proliferating cells, telomerase activity could also be used as an endpoint in breast cancer chemotherapy studies.
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Affiliation(s)
- A Bednarek
- Department of Carcinogenesis, University of Texas MD Anderson Cancer Center, Smithville 78957, USA
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Bednarek A, Blacha J, Gagała J. [Mecring threaded cup in total arthroplasty of the hip with acetabular protrusion]. Chir Narzadow Ruchu Ortop Pol 1998; 63:341-6. [PMID: 9857552] [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: 02/09/2023]
Abstract
Results of total arthroplasty of the hip with acetabular protrusion with the use of Mecring cup in 21 patients (25 hips) aged 25-75 years (mean 62) are reported. Morsalised impacted autografts were used to fill acetabular defect in all cases. There were 14 rheumatoid arthritis patients, 4 cases of osteoarthritis and 3 cases of Otto-Chrobak disease. Mean follow-up was 2.5 years (range 6 months-5 years). All autografts were incorporated after 6-9 months. Only one loosening and migration of the cup occurred. One patient died because of pulmonary embolism. Harris Hip Score increased from 37 points (22-49) preoperatively to 81 points (65-89) at the latest follow-up. Incorporation of autografts reinforced acetabular bottom and prevented recurrence of protrusion. Bone remodeling indicates restoring normal biomechanics of the hip.
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Affiliation(s)
- A Bednarek
- Katedra i Klinika Ortopedii, Akademia Medyczna w Lublinie
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Blacha J, Bednarek A, Gagała J. [Clinical and radiological assessment of proximally coated stems in growth in total hip replacement]. Chir Narzadow Ruchu Ortop Pol 1998; 63:333-40. [PMID: 9857551] [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: 02/09/2023]
Abstract
Clinical and radiological results of total hip replacement with proximally coated stems are discussed. Material included 90 hips (50 ABG stems, 40 Level III stems) in 83 patients (59 females, 24 males), mean age 48 years (range 17-22) and mean follow-up of 27 months (range 1-5 years). No stems were revised, the average Harris Hip Score at last follow-up ranged from 89 to 91 points. Stress transfer around the proximal part of the stem resulted in endosteal osteogenesis in the 2nd and 6th Gruen zones and changed trabecular orientation. There was no evidence of bone resorption due to stress shielding. Peri- and endosteal bone reaction in the 3rd and 5th Gruen zones need longer follow-up.
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Affiliation(s)
- J Blacha
- Katedra i Klinika Ortopedii i Traumatologii, Akademia Medyczna w Lublinie
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Blacha J, Bednarek A, Gagała J. [Hemispheric hydroxyapatite coated cups in total hip arthroplasty]. Chir Narzadow Ruchu Ortop Pol 1998; 63:227-34. [PMID: 9734166] [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: 02/08/2023]
Abstract
The paper presents principles of implantation as well as clinical and radiological results of hemispheric hydroxyapatite coated cups use in total hip replacement. Eighty-seven patients (60 females, 27 males) aged from 16 to 72 years (mean 49 years) underwent 96 total hip replacements with the use of 51 ABG and 45 OCTOFIT hemispheric cups. Clinical results were satisfactory with an average Harris Hip Score of 89 to 91 at final follow-up. We have found total ingrowth and osteointegration of nearly all cups. In one case of acetabular reconstruction with bone grafts cup migration has been observed and revision was necessary.
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Affiliation(s)
- J Blacha
- Katedry i Kliniki Ortopedii i Traumatologii AM w Lublinie
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Bednarek A, Gagała J, Blacha J. [Biomechanical principles, indications and early results of bipolar hip arthroplasty]. Chir Narzadow Ruchu Ortop Pol 1998; 63:133-8. [PMID: 9684496] [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: 02/08/2023]
Abstract
The authors present indications and early results of bipolar hip arthroplasty in 58 patients (46 females, 12 males) aged 38-84 (mean 65 years). Femoral neck fracture in 51 patients, femoral neck pseudoarthrosis in 3, pathological fracture of the femoral neck in 2 and early type of hip osteoarthritis constituted the indication for bipolar hip replacement. No infection or dislocation has occurred. Mean follow-up was 1.5 years (6-36 months). Revision of the replacement was necessary in one patient due to faulty size of chosen implant. Results in remaining patients were rated excellent to good (mean Harris Hip Score was 93 points) with great range of movement in the operated hip. No signs of acetabular cartilage deterioration or prosthetic protrusion was observed.
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Affiliation(s)
- A Bednarek
- Katedry i Kliniki Ortopedii i Traumatologii AM w Lublinie
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Bednarek A, Gaugler R. Compatibility of soil amendments with entomopathogenic nematodes. J Nematol 1997; 29:220-227. [PMID: 19274153 PMCID: PMC2619768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023] Open
Abstract
The impact of inorganic and organic fertilizers on the infectivity, reproduction, and population dynamics of entomopathogenic nematodes was investigated. Prolonged (10- to 20-day) laboratory exposure to high inorganic fertilizer concentrations inhibited nematode infectivity and reproduction, whereas short (1-day) exposures increased infectivity. Heterorhabditis bacteriophora was more sensitive to adverse effects than were two species of Steinernema. In field studies, organic manure resulted in increased densities of a native population of Steinernema feltiae, whereas NPK fertilizer suppressed nematode densities regardless of manure applications. Inorganic fertilizers are likely to be compatible with nematodes in tank mixes and should not reduce the effectiveness of nematodes used for short-term control as biological insecticides, but may interfere with attempts to use nematodes as inoculative agents for long-term control. Organic manure used as fertilizer may encourage nematode establishment and recycling.
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Sawicka M, Kołaczek A, Bednarek A, Meder J. [Teaching schizophrenic patients self-care skills]. Psychiatr Pol 1997; 31:305-12. [PMID: 9527675] [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: 02/07/2023]
Abstract
The level of knowledge and skills on self-care abilities has been examined among the group of 30 long-term patients suffering from schizophrenia. The research has been made four times during the period of 18 months after the training session had been completed. The final results show that three months duration of the training session exerts influence on the progress in learning and change of the view point. However, little change is observed as regards the daily functioning of patients.
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Affiliation(s)
- M Sawicka
- Zakład Rehabilitacji Psychiatrycznej IPiN w Warszawie
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Bednarek A, Budunova I, Slaga TJ, Aldaz CM. Increased telomerase activity in mouse skin premalignant progression. Cancer Res 1995; 55:4566-9. [PMID: 7553630] [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] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
It has been postulated that the expression of the ribonucleoprotein telomerase is necessary to overcome cellular senescence and that malignant tumors must express telomerase to maintain their immortality. In most human adult tissues, telomerase activity is not detected. In contrast, several murine tissues express various levels of telomerase. Mouse skin however, does not show telomerase activity. Using the mouse skin chemical carcinogenesis system, a well-characterized model for studying premalignant and malignant progression, we assayed telomerase activity at various stages of premalignant papilloma progression by means of the recently developed telomeric repeat amplification protocol. We observed that at 10 weeks of promotion, only one mouse skin papilloma of 11 analyzed showed high levels of telomerase activity. The number of papillomas showing higher levels of telomerase activity increased at 20 weeks, and at 30 weeks of promotion, 100% of papillomas expressed significantly higher levels of telomerase. We learned from previous studies that early papillomas are diploid, well-differentiated lesions, whereas late papillomas are aneuploid and very dysplastic. It appears that the progressive increase in telomerase activity is associated with the increased level of genomic instability and the phenotypic progression of these premalignant tumors. It is also possible, however, that the increase in telomerase activity could be in part a consequence of an increase in the proportion of proliferating cells. Nevertheless, the mouse skin system may be a very useful in vivo model for the study and development of anti-telomerase therapeutic strategies.
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Affiliation(s)
- A Bednarek
- Department of Carcinogenesis, University of Texas M. D. Anderson Cancer Center, Smithville 78957, USA
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Acek Z, Bednarek A. The Morphology of Lateral Fields of Infective Juveniles of Entomogenous Nematodes of the Family Steinernematidae (Rhabditida). ACTA ACUST UNITED AC 1991. [DOI: 10.1163/187529291x00060] [Citation(s) in RCA: 5] [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: 11/19/2022]
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Kozak J, Bednarek A, Jabłoński M, Salita W. [The influence of geometry of the total hip endoprosthesis on late functional results]. Chir Narzadow Ruchu Ortop Pol 1990; 55:213-7. [PMID: 1369949] [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: 03/25/2023]
Abstract
The influence of some parameters of incorrect position of elements of an endoprosthesis of the hip on the late functional result of 61 endoprosthetic arthroplasties have been analyzed. The authors believe that the group of several factors of incorrect mounting of elements of an endoprosthesis is usually the cause of deterioration of treatment results due to occurrence of clinical and radiological symptoms of loosening of the endoprosthesis.
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Affiliation(s)
- J Kozak
- Katedry i Kliniki Ortopedii AM w Lublinie
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Abstract
The nucleotide sequence of 3800 base-pair repeated unit of bovine 1.709 satellite was determined. The 3800 base-pair unit is not internally repeated and contains members of at least three different families of elements that are dispersed in the bovine genome. Two of three elements are associated with extensive length polymorphism within the satellite repeat unit. One of these comprises the 3' end of the bovine Alu-like sequences; the second is composed of C-A dinucleotides.
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