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Di Battista ME, Cova I, Rubino A, Papi CP, Alampi G, Purcaro C, Vanacore N, Pascale E, Locuratolo N, Fattapposta F, Mariani C, Pomati S, Meco G. Intercepting Parkinson disease non-motor subtypes: A proof-of-principle study in a clinical setting. J Neurol Sci 2018; 388:186-191. [PMID: 29627019 DOI: 10.1016/j.jns.2018.03.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 11/06/2017] [Accepted: 03/14/2018] [Indexed: 01/05/2023]
Abstract
The construct of non-motor symptoms (NMS) subtyping in Parkinson Disease (PD) is emerging as a line of research in the light of its potential role in etiopathological interpretation of PD heterogeneity. Different approaches of NMS subtyping have been proposed: an anatomical model suggests that NMS aggregate according to the underpinning pathology; other researchers find aggregation of NMS according to the motor phenotype; the contribution of genetic background to NMS has also been assessed, primarily focusing on cognitive impairment. We have analyzed NMS burden assessed through an extensive clinical and neuropsychological battery in 137 consecutive non-demented PD patients genotyped for MAPT haplotypes (H1/H1 vs H2 carriers) in order to explore the applicability of the "anatomo-clinical", "motor" or "genetic" models for subtyping PD in a clinical setting; a subsequent independent analysis was conducted to verify a possible cluster distribution of NMS. No clear-cut NMS profiles according to the previously described models emerged: in our population, the autonomic dysfunctions and depressive symptoms represent the leading determinant of NMS clusters, which seems to better fit with the hypothesis of a "neurotransmitter-based" model. Selective preferential neurotransmitter network dysfunctions may account for heterogeneity of PD and could address translational research.
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Affiliation(s)
- M E Di Battista
- Parkinson's Centre [Research Centre of Social Diseases (CIMS)], "Sapienza" University of Rome, Italy; Cognitive Impairment Center, Local Health Authority 2 of Treviso, Treviso, Italy
| | - I Cova
- Neurology Unit, L. Sacco University Hospital, Milan, Italy.
| | - A Rubino
- Parkinson's Centre [Research Centre of Social Diseases (CIMS)], "Sapienza" University of Rome, Italy; Department of Neurology and Psychiatry (Parkinson's Centre), "Sapienza" University, Rome, Italy
| | - C P Papi
- Parkinson's Centre [Research Centre of Social Diseases (CIMS)], "Sapienza" University of Rome, Italy
| | - G Alampi
- Department of Neurology and Psychiatry (Parkinson's Centre), "Sapienza" University, Rome, Italy
| | - C Purcaro
- Department of Neurology and Psychiatry (Parkinson's Centre), "Sapienza" University, Rome, Italy
| | - N Vanacore
- National Centre for Disease Prevention and Health Promotion, National Institute of Health, Rome, Italy
| | - E Pascale
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University, Rome, Italy
| | - N Locuratolo
- Department of Neurology and Psychiatry (Parkinson's Centre), "Sapienza" University, Rome, Italy
| | - F Fattapposta
- Department of Neurology and Psychiatry (Parkinson's Centre), "Sapienza" University, Rome, Italy
| | - C Mariani
- Neurology Unit, L. Sacco University Hospital, Milan, Italy
| | - S Pomati
- Neurology Unit, L. Sacco University Hospital, Milan, Italy
| | - G Meco
- Parkinson's Centre [Research Centre of Social Diseases (CIMS)], "Sapienza" University of Rome, Italy; Department of Neurology and Psychiatry (Parkinson's Centre), "Sapienza" University, Rome, Italy; Parkinson's Disease Clinical Trials Centre, Neurological Centre of Latium (NCL) Rome, NEUROMED IRCCS, Pozzilli, IS, Italy
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Scarano S, Pascale E, Palladino P, Fratini E, Minunni M. Determination of fermentable sugars in beer wort by gold nanoparticles@polydopamine: A layer-by-layer approach for Localized Surface Plasmon Resonance measurements at fixed wavelength. Talanta 2018; 183:24-32. [PMID: 29567171 DOI: 10.1016/j.talanta.2018.02.044] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [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: 11/22/2017] [Revised: 02/08/2018] [Accepted: 02/10/2018] [Indexed: 11/26/2022]
Abstract
Polydopamine decorated in-situ with Localized Surface Plasmon Resonance (LSPR)-active gold nanoparticles (AuNPs) may extend the applicability of nanoplasmonic materials to original and innovative applications in several fields. Here we report the modification of disposable UV-Vis polystyrene cuvettes with AuNPs@PDA for refractive index LSPR-based measurements. An original layer-by-layer deposition method of PDA followed by AuNPs growth is here developed, showing linear correlation between PDA thickness and optical properties. In particular, the modulation from wavelength sensitivity toward absorbance sensitivity is obtained, allowing measurements at fixed wavelength (578 nm). As applicative example of the photonic cuvettes, the measurement of fermentable sugars in beer wort is here reported. The analytical performance of our approach has been directly compared to portable refractometer of reference, displaying excellent results in terms of the precise estimation of sugars in beer wort (expressed in degrees Brix), reproducibility and sensitivity. The approach may be extended to other materials of interest in LSPR based optical sensors, e.g. optical fibers.
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Affiliation(s)
- S Scarano
- Department of Chemistry, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy; CSGI, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - E Pascale
- Department of Chemistry, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy; CSGI, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - P Palladino
- Department of Chemistry, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - E Fratini
- Department of Chemistry, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy; CSGI, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - M Minunni
- Department of Chemistry, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy; CSGI, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy.
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Scarano S, Pascale E, Minunni M. The early nucleation stage of gold nanoparticles formation in solution as powerful tool for the colorimetric determination of reducing agents: The case of xylitol and total polyols in oral fluid. Anal Chim Acta 2017; 993:71-78. [DOI: 10.1016/j.aca.2017.09.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 09/05/2017] [Accepted: 09/06/2017] [Indexed: 12/01/2022]
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Lisi S, Scarano S, Fedeli S, Pascale E, Cicchi S, Ravelet C, Peyrin E, Minunni M. Toward sensitive immuno-based detection of tau protein by surface plasmon resonance coupled to carbon nanostructures as signal amplifiers. Biosens Bioelectron 2017; 93:289-292. [DOI: 10.1016/j.bios.2016.08.078] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 08/22/2016] [Accepted: 08/23/2016] [Indexed: 11/28/2022]
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Coppola G, Di Lorenzo C, Grieco G, Santoro M, Santorelli F, Pascale E, Pierelli F. 6. Glutamate Receptor Ionotropic AMPA 3 (GRIA3) gene polymorphism influences cortical response to somatosensory stimulation in medication-overuse headache patients. Clin Neurophysiol 2016. [DOI: 10.1016/j.clinph.2016.10.018] [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: 11/29/2022]
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Mattei P, Cincinelli A, Martellini T, Natalini R, Pascale E, Renella G. Reclamation of river dredged sediments polluted by PAHs by co-composting with green waste. Sci Total Environ 2016; 566-567:567-574. [PMID: 27236622 DOI: 10.1016/j.scitotenv.2016.05.140] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 05/18/2016] [Accepted: 05/19/2016] [Indexed: 05/15/2023]
Abstract
Polluted dredged sediments are classified as waste and cannot be re-used in civil and environmental engineering nor in agriculture, posing serious logistical, economic and environmental problems for their management. We tested co-composting of sediments (S) slightly polluted by PAHs with urban green waste (GW), as a sustainable technique to both degrade the organic pollutants and lend to sediments suitable properties to be reused as technosol. Four treatments were tested: sediments only (S), GW only (GW), 1:1 w:w S:GW (SGW1:1), and 3:1 w:w S:GW (SGW3:1) for a co-composting period of one year. The co-composting materials underwent to an initial short and moderate thermophilic phase. However, at the end of the co-composting process, SGW3:1 and SGW1:1 achieved suitable physical and chemical properties as plant substrate in terms of organic C, N and humic substances contents, electrical conductivity and bulk density. In the first six months of treatment, the PAHs concentration in SGW3:1 and SGW1:1 was reduced by 26% and 57%, respectively, reaching values below under 1mgg(-1), whereas such a reduction in S alone was observed only after nine months. We concluded that co-composting with green waste can be a suitable approach for reclamation of dredged sediments opening opportunities for their use as technosol or as plant growing substrate.
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Affiliation(s)
- P Mattei
- Department of Agrifood Production and Environmental Sciences, University of Florence, Florence, Italy.
| | - A Cincinelli
- Department of Chemistry "Ugo Schiff", University of Florence, Sesto Fiorentino (Fi), Italy
| | - T Martellini
- Department of Chemistry "Ugo Schiff", University of Florence, Sesto Fiorentino (Fi), Italy
| | - R Natalini
- Department of Chemistry "Ugo Schiff", University of Florence, Sesto Fiorentino (Fi), Italy
| | - E Pascale
- Department of Chemistry "Ugo Schiff", University of Florence, Sesto Fiorentino (Fi), Italy
| | - G Renella
- Department of Agrifood Production and Environmental Sciences, University of Florence, Florence, Italy
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Bonmassar L, Marchesi F, Pascale E, Franzese O, Margison GP, Bianchi A, D'Atri S, Bernardini S, Lattuada D, Bonmassar E, Aquino A. Triazene compounds in the treatment of acute myeloid leukemia: a short review and a case report. Curr Med Chem 2013; 20:2389-401. [PMID: 23521681 DOI: 10.2174/0929867311320190001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Revised: 02/17/2013] [Accepted: 03/13/2013] [Indexed: 11/22/2022]
Abstract
Acute myeloid leukemia (AML) is a highly lethal disease, especially in old patients. Chemoresistance and the absence of host immune responses against autochthonous malignancy play a major role in the poor prognosis of AML. The triazene compounds Dacarbazine and Temozolomide are monofunctional alkylators that donate methyl groups to many sites in DNA, including the O(6)-position of guanine producing O(6)-methylguanine (O(6)-MeG). If not repaired, O(6)-MeG frequently mispairs with thymine during DNA duplication. O(6)-MeG:T mismatches can be recognized by the mismatch repair (MMR) system which activates a cascade of molecular events leading to cell cycle arrest and cell death. If MMR is defective, cells continue to divide and GC → AT transition mutations occur. In preclinical models, such mutations can lead to the appearance of abnormal proteins containing non-self peptides ("chemical xenogenization" CX) that can be recognized by host cell-mediated immunity. Repair of O(6)-MeG is achieved by the DNA repair protein, O(6)-methylguanine-DNA methyltransferase (MGMT), which removes the methyl adduct in an autoinactivating stoichiometric reaction. High MGMT levels attenuate the pharmacodynamic effects of triazenes. In the last few years, triazenes, alone or with MGMT inhibitors, have been tested in AML. In view of their potential activity as CX inducers, triazenes could offer the additional advantage of host anti-leukemia immune responses. The present paper describes several studies of leukemia treatment with triazenes and a case of acute refractory leukemia with massive skin infiltration by malignant cells. Treatment with Temozolomide and Lomeguatrib, a potent MGMT inhibitor, produced a huge, although transient, blastolysis and complete disappearance of all skin lesions.
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Affiliation(s)
- L Bonmassar
- Laboratory of Molecular Oncology, Istituto Dermopatico dell'Immacolata-IRCCS, Rome, Italy
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Pascale E, Passarelli E, Purcaro C, Vestri AR, Fakeri A, Guglielmi R, Passarelli F, Meco G. Lack of association between IL-1β, TNF-α, and IL-10 gene polymorphisms and sporadic Parkinson's disease in an Italian cohort. Acta Neurol Scand 2011; 124:176-81. [PMID: 20880267 DOI: 10.1111/j.1600-0404.2010.01441.x] [Citation(s) in RCA: 22] [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] [Indexed: 01/25/2023]
Abstract
OBJECTIVE There is increasing evidence suggesting that neuroinflammation and microglia activation may play important roles in the pathway leading to neuronal cell death in Parkinson's disease (PD). Chronic activation of microglia may cause neuronal damage through the release of potentially cytotoxic molecules, such as pro-inflammatory cytokines. Different functional promoter polymorphisms within genes coding pro- or anti-inflammatory cytokines involved in the immune reactions in the brain might influence the risk of developing PD or the age of disease onset. AIM To investigate the interleukin (IL)-1β-511, tumor necrosis factor alpha (TNF-α)-308, and interleukin (IL)-10-1082 gene polymorphisms as susceptibility factors for PD. METHODS We analyzed genotype and allele distributions of these polymorphisms in 146 Italian patients with PD and 156 healthy controls. RESULTS None of the polymorphisms we investigated was found to be associated with PD or with age of disease onset. No significant differences between patients with PD and controls were found as regards the concomitant presence of variant alleles in the three polymorphisms studied. We found that only the combined genotype TNF-α-308GG/IL-1β-511T+ is associated with a decreased risk of PD. CONCLUSION Our results indicate that the cytokine gene polymorphisms we investigated are not related to the development of PD in the Italian population; further studies are warranted to clarify the role of the TNF-α-308GG/IL-1β-511T+ combined genotype.
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Affiliation(s)
- E Pascale
- Dipartimento di Scienze e Biotecnologie Medico-Chirurgiche, Sapienza Università di Roma, Italy.
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Negrello M, Hopwood R, De Zotti G, Cooray A, Verma A, Bock J, Frayer DT, Gurwell MA, Omont A, Neri R, Dannerbauer H, Leeuw LL, Barton E, Cooke J, Kim S, da Cunha E, Rodighiero G, Cox P, Bonfield DG, Jarvis MJ, Serjeant S, Ivison RJ, Dye S, Aretxaga I, Hughes DH, Ibar E, Bertoldi F, Valtchanov I, Eales S, Dunne L, Driver SP, Auld R, Buttiglione S, Cava A, Grady CA, Clements DL, Dariush A, Fritz J, Hill D, Hornbeck JB, Kelvin L, Lagache G, Lopez-Caniego M, Gonzalez-Nuevo J, Maddox S, Pascale E, Pohlen M, Rigby EE, Robotham A, Simpson C, Smith DJB, Temi P, Thompson MA, Woodgate BE, York DG, Aguirre JE, Beelen A, Blain A, Baker AJ, Birkinshaw M, Blundell R, Bradford CM, Burgarella D, Danese L, Dunlop JS, Fleuren S, Glenn J, Harris AI, Kamenetzky J, Lupu RE, Maddalena RJ, Madore BF, Maloney PR, Matsuhara H, Michaowski MJ, Murphy EJ, Naylor BJ, Nguyen H, Popescu C, Rawlings S, Rigopoulou D, Scott D, Scott KS, Seibert M, Smail I, Tuffs RJ, Vieira JD, van der Werf PP, Zmuidzinas J. The Detection of a Population of Submillimeter-Bright, Strongly Lensed Galaxies. Science 2010; 330:800-4. [DOI: 10.1126/science.1193420] [Citation(s) in RCA: 294] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Mattia Negrello
- Department of Physics and Astronomy, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK
| | - R. Hopwood
- Department of Physics and Astronomy, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK
| | - G. De Zotti
- Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, Vicolo Osservatorio 5, I-35122 Padova, Italy
- Scuola Internazionale Superiore di Studi Avanzati, Via Bonomea 265, I-34136 Trieste, Italy
| | - A. Cooray
- Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA
| | - A. Verma
- Oxford Astrophysics, Denys Wilkinson Building, University of Oxford, Keble Road, Oxford OX1 3RH, UK
| | - J. Bock
- Jet Propulsion Laboratory (JPL), Pasadena, CA 91009, USA
- California Institute of Technology, Pasadena, CA 91125, USA
| | - D. T. Frayer
- National Radio Astronomy Observatory, Post Office Box 2, Green Bank, WV 24944, USA
| | - M. A. Gurwell
- Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
| | - A. Omont
- Institut d’Astrophysique de Paris, Universitte Pierre et Marie Curie and CNRS, 98 bis boulevard Arago, 75014 Paris, France
| | - R. Neri
- Institut de Radioastronomie Millimétrique (IRAM), 300 rue de la piscine, 38406 Saint-Martin d'Hères, France
| | - H. Dannerbauer
- Laboratoire Astrophysique, Instrumentation et Modélisation Paris Sarclay, Commissariat à l’Énergie Atomique (CEA)/Direction des Sciences de la Matière–CNRS–Université Paris Diderot, Institut de Recherche sur les lois fondamentales d l’Universe/Service d’Astrophysique, CEA Saclay, Orme des Merisiers, F-91191 Gif-sur-Yvette Cedex, France
| | - L. L. Leeuw
- Physics Department, University of Johannesburg, Post Office Box 524, Auckland Park 2006, South Africa
- SETI Institute, 515 North Whisman Avenue, Mountain View, CA 94043, USA
| | - E. Barton
- Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA
| | - J. Cooke
- Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA
- California Institute of Technology, Pasadena, CA 91125, USA
| | - S. Kim
- Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA
| | - E. da Cunha
- Department of Physics, University of Crete, 71003 Heraklion, Greece
| | - G. Rodighiero
- Dipartimento di Astronomia, Universitá di Padova, Vicolo Osservatorio 2, I-35122 Padova, Italy
| | - P. Cox
- Institut de Radioastronomie Millimétrique (IRAM), 300 rue de la piscine, 38406 Saint-Martin d'Hères, France
| | - D. G. Bonfield
- Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire, Herts AL10 9AB, UK
| | - M. J. Jarvis
- Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire, Herts AL10 9AB, UK
| | - S. Serjeant
- Department of Physics and Astronomy, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK
| | - R. J. Ivison
- UK Astronomy Technology Center, Royal Observatory Edinburgh, Edinburgh EH9 3HJ, UK
- Scottish Universities Physics Alliance, Institute for Astronomy, University of Edinburgh, Royal Observatory, Edinburgh EH9 3HJ, UK
| | - S. Dye
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK
| | - I. Aretxaga
- Instituto Nacional de Astrofísica, Óptica y Electrónica, Apartado Postal 51 y 216, 72000 Puebla, Mexico
| | - D. H. Hughes
- Instituto Nacional de Astrofísica, Óptica y Electrónica, Apartado Postal 51 y 216, 72000 Puebla, Mexico
| | - E. Ibar
- UK Astronomy Technology Center, Royal Observatory Edinburgh, Edinburgh EH9 3HJ, UK
| | - F. Bertoldi
- Argelander-Institut für Astronomie, Universität Bonn, Auf dem Hügel 71, 53121 Bonn, Germany
| | - I. Valtchanov
- Herschel Science Centre, European Space Astronomy Centre, European Space Agency (ESA), Post Office Box 78, 28691 Villanueva de la Cañada, Madrid, Spain
| | - S. Eales
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK
| | - L. Dunne
- School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - S. P. Driver
- Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, KY16 9SS, UK
| | - R. Auld
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK
| | - S. Buttiglione
- Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, Vicolo Osservatorio 5, I-35122 Padova, Italy
| | - A. Cava
- Instituto de Astrofísica de Canarias, C/Vía Láctea s/n, E-38200 La Laguna, Spain
- Departamento de Astrofísica, Universidad de La Laguna (ULL), E-38205 La Laguna, Tenerife, Spain
| | - C. A. Grady
- Eureka Scientific, 2452 Delmer Street, Suite 100, Oakland, CA 94602, USA
- Goddard Space Flight Center, Code 667, Greenbelt Road, Greenbelt, MD 20771, USA
| | - D. L. Clements
- Astrophysics Group, Physics Department, Blackett Lab, Imperial College London, Prince Consort Road, London SW7 2AZ, UK
| | - A. Dariush
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK
| | - J. Fritz
- Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281 S9, B-9000 Gent, Belgium
| | - D. Hill
- Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, KY16 9SS, UK
| | - J. B. Hornbeck
- Department of Physics and Astronomy, University of Louisville, Louisville, KY 40292, USA
| | - L. Kelvin
- Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, KY16 9SS, UK
| | - G. Lagache
- Institut d’Astrophysique Spatiale (IAS), Bâtiment 121, F-91405 Orsa, France
- Université Paris–Sud 11 and CNRS (UMR 8617), 91400 Orsay, France
| | - M. Lopez-Caniego
- Instituto de Fisica de Cantabria, Consejo Superior de Investigaciones Científicas–Universidad de Cantabria, Avenue de Los Castros s/n, Santander 39005, Spain
| | - J. Gonzalez-Nuevo
- Scuola Internazionale Superiore di Studi Avanzati, Via Bonomea 265, I-34136 Trieste, Italy
| | - S. Maddox
- School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - E. Pascale
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK
| | - M. Pohlen
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK
| | - E. E. Rigby
- School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - A. Robotham
- Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, KY16 9SS, UK
| | - C. Simpson
- Astrophysics Research Institute, Liverpool John Moores University Twelve Quays House, Egerton Wharf, Birkenhead CH41 1LD, UK
| | - D. J. B. Smith
- School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - P. Temi
- Astrophysics Branch, NASA Ames Research Center, Mail Stop 245-6, Moffett Field, CA 94035, USA
| | - M. A. Thompson
- Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire, Herts AL10 9AB, UK
| | - B. E. Woodgate
- NASA Goddard Space Flight Center, Code 667, Greenbelt Road, Greenbelt, MD 20771, USA
| | - D. G. York
- Department of Astrophysics and The Enrico Fermi Institute, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
| | - J. E. Aguirre
- Department of Physics and Astronomy, University of Pennsylvania, Philadephia, PA 19104, USA
| | - A. Beelen
- Université Paris–Sud 11 and CNRS (UMR 8617), 91400 Orsay, France
| | - A. Blain
- California Institute of Technology, Pasadena, CA 91125, USA
| | - A. J. Baker
- Rutgers University, Department of Physics and Astronomy, 136 Frelinghuysen Road, Piscataway, NJ 08854–8019, USA
| | - M. Birkinshaw
- H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK
| | - R. Blundell
- Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
| | - C. M. Bradford
- Jet Propulsion Laboratory (JPL), Pasadena, CA 91009, USA
- California Institute of Technology, Pasadena, CA 91125, USA
| | - D. Burgarella
- Laboratoire d’Astrophysique de Marseille, UMR6110 CNRS, and Aix-Marseille Université, 38 rue F. Joliot-Curie, F-13388 Marseille, France
| | - L. Danese
- Scuola Internazionale Superiore di Studi Avanzati, Via Bonomea 265, I-34136 Trieste, Italy
| | - J. S. Dunlop
- UK Astronomy Technology Center, Royal Observatory Edinburgh, Edinburgh EH9 3HJ, UK
| | - S. Fleuren
- School of Mathematical Sciences, Queen Mary, University of London, Mile End Road, London E1 4NS, UK
| | - J. Glenn
- University of Colorado, Center for Astrophysics and Space Astronomy, 389-UCB, Boulder, CO 80303, USA
| | - A. I. Harris
- Department of Astronomy, University of Maryland, College Park, MD 20742, USA
| | - J. Kamenetzky
- University of Colorado, Center for Astrophysics and Space Astronomy, 389-UCB, Boulder, CO 80303, USA
| | - R. E. Lupu
- Department of Physics and Astronomy, University of Pennsylvania, Philadephia, PA 19104, USA
| | - R. J. Maddalena
- National Radio Astronomy Observatory, Post Office Box 2, Green Bank, WV 24944, USA
| | - B. F. Madore
- Observatories of the Carnegie Institution, 813 Santa Barbara Street, Pasadena, CA 91101, USA
| | - P. R. Maloney
- University of Colorado, Center for Astrophysics and Space Astronomy, 389-UCB, Boulder, CO 80303, USA
| | - H. Matsuhara
- Institute for Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara 252-5210, Japan
| | - M. J. Michaowski
- Scottish Universities Physics Alliance, Institute for Astronomy, University of Edinburgh, Royal Observatory, Edinburgh EH9 3HJ, UK
| | - E. J. Murphy
- Infrared Processing and Analysis Center, Pasadena, CA 91125, USA
| | - B. J. Naylor
- Jet Propulsion Laboratory (JPL), Pasadena, CA 91009, USA
| | - H. Nguyen
- Jet Propulsion Laboratory (JPL), Pasadena, CA 91009, USA
| | - C. Popescu
- Jeremiah Horrocks Institute, University of Central Lancashire, Preston PR1 2HE, UK
| | - S. Rawlings
- Oxford Astrophysics, Denys Wilkinson Building, University of Oxford, Keble Road, Oxford OX1 3RH, UK
| | - D. Rigopoulou
- Oxford Astrophysics, Denys Wilkinson Building, University of Oxford, Keble Road, Oxford OX1 3RH, UK
- Space Science and Technology Department, Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire OX11 0QX, UK
| | - D. Scott
- University of British Columbia, 6224 Agricultural Road, Vancouver BC V6T 1Z1, Canada
| | - K. S. Scott
- Department of Physics and Astronomy, University of Pennsylvania, Philadephia, PA 19104, USA
| | - M. Seibert
- Observatories of the Carnegie Institution, 813 Santa Barbara Street, Pasadena, CA 91101, USA
| | - I. Smail
- Institute for Computational Cosmology, Durham University, Durham DH1 3LE, UK
| | - R. J. Tuffs
- Max-Planck-Institut f¨r Kernphysik (MPIK), Saupfercheckweg 1, 69117 Heidelberg, Germany
| | - J. D. Vieira
- California Institute of Technology, Pasadena, CA 91125, USA
| | - P. P. van der Werf
- Scottish Universities Physics Alliance, Institute for Astronomy, University of Edinburgh, Royal Observatory, Edinburgh EH9 3HJ, UK
- Leiden Observatory, Leiden University, Post Office Box 9513, NL-2300 RA Leiden, Netherlands
| | - J. Zmuidzinas
- Jet Propulsion Laboratory (JPL), Pasadena, CA 91009, USA
- California Institute of Technology, Pasadena, CA 91125, USA
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10
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Meco G, Pascale E, Purcaro C, Rubino A, Guglielmi R, Passarelli F. 2.264 Is genetic polymorphism of angiotensin-converting enzyme associated with the development of L-Dopa induced adverse effects? Parkinsonism Relat Disord 2007. [DOI: 10.1016/s1353-8020(08)70676-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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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11
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Meco G, Pascale E, Purcaro C, Rubino A, Guglielmi R, Passarelli F. 2.118 Lack of association between genetic polymorphism of angiotensin-converting enzyme and Parkinson's disease. Parkinsonism Relat Disord 2007. [DOI: 10.1016/s1353-8020(08)70610-2] [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: 10/22/2022]
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12
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Bianchini G, Boscaleri A, Carli B, Mencaraglia F, Palchetti L, Pascale E. Infrared balloon experiment: improved instrumental configuration and assessment of instrument performance. Appl Opt 2006; 45:1041-51. [PMID: 16512548 DOI: 10.1364/ao.45.001041] [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] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
During the 2002 environmental satellite Envisat mid-latitude validation campaign, a new upgraded configuration of the Infrared Balloon Experiment (IBEX) Fourier transform spectrometer, which had its first flight in 1978, performed a stratospheric balloon flight across the Mediterranean Sea. Among the substantial upgrades made to the instrument, the use of photon-noise-limited detectors permitted us to reach the theoretical limits in terms of signal-to-noise ratio. Also, important modifications were made to the interferometric system and electronics, such as the installation of a solid-state laser reference source and an onboard data recording system. During the flight, measurement of volume-mixing-ratio vertical profiles of O3, HNO3, N2O, and ClO from an altitude of approximately 38 km were performed with a vertical resolution of approximately 1.5 km.
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Affiliation(s)
- G Bianchini
- Istituto di Fisica Applicata Nello Carrara, Consiglio Nazionale delle Ricerche, Florence, Italy
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13
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Grassi G, Maccaroni P, Meyer R, Kaiser H, D'Ambrosio E, Pascale E, Grassi M, Kuhn A, Di Nardo P, Kandolf R, Küpper JH. Inhibitors of DNA methylation and histone deacetylation activate cytomegalovirus promoter-controlled reporter gene expression in human glioblastoma cell line U87. Carcinogenesis 2003; 24:1625-35. [PMID: 12869421 DOI: 10.1093/carcin/bgg118] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.0] [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: 11/13/2022] Open
Abstract
The expression of many cellular genes is modulated by DNA methylation and histone acetylation. These processes can influence malignant cell transformation and are also responsible for the silencing of DNA constructs introduced into mammalian cells for therapeutic or research purposes. As a better understanding of these biological processes may contribute to the development of novel cancer treatments and to study the complex mechanisms regulating gene silencing, we established a cellular system suitable to dissect the mechanisms regulating DNA methylation and histone acetylation. For this purpose, we stably transfected the neuroblastoma cell line U87 with a cytomegalovirus promoter-driven reporter gene construct whose expression was analyzed following treatment with the DNA methylation inhibitor 5'-aza-2'-deoxycytidine or histone deacetylation inhibitor trichostatin A. Both substances reactivated the silenced cytomegalovirus promoter, but with different reaction kinetics. Furthermore, whereas the kinetics of reactivation by trichostatin A did not substantially change over the time range considered (5 days), reactivation induced by 5'-aza-2'-deoxycytidine showed profound differences between day 1 and longer time points. We showed that this effect is related to the down-regulation of DNA replication by 5'-aza-2'-deoxycytidine. Finally, we have shown that the simultaneous administration of trichostatin A and 5'-aza-2'-deoxycytidine results in reactivation of the CMV promoter according to a cooperative, not synergistic or additive, mechanism. In conclusion, our cellular system should represent a powerful tool to investigate the complex mechanisms regulating gene silencing and to identify new anticancer drugs.
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Affiliation(s)
- G Grassi
- Department of Molecular Pathology, University Hospital of Tübingen, Liebermeisterstrasse 8, D-72076, Tübingen, Germany.
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14
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Pascale E, Battiloro E, Cimino Reale G, Pietrobono R, Pomponi MG, Chiurazzi P, Nicolai R, Calvani M, Neri G, D'Ambrosio E. Modulation of methylation in the FMR1 promoter region after long term treatment with L-carnitine and acetyl-L-carnitine. J Med Genet 2003; 40:e76. [PMID: 12807975 PMCID: PMC1735504 DOI: 10.1136/jmg.40.6.e76] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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15
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Festuccia C, Pascale E, Angelucci A, Marronaro A, D'Ambrosio E, Vicentini C, Bologna M. Detection of Telomerase Activity in Epithelial Cells Collected by Prostate Massage: A Useful Tool for an Early Diagnosis of Prostate Cancer? Tumori 2001. [DOI: 10.1177/030089160108700642] [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: 11/17/2022]
Affiliation(s)
- C Festuccia
- Department of Experimental Medicine, University of L'Aquila, Rome, Italy
| | - E Pascale
- Institute of Neurobiology and Molecular Medicine, CNR, Rome, Italy
| | - A Angelucci
- Department of Experimental Medicine, University of L'Aquila, Rome, Italy
| | - A Marronaro
- Department of Surgery and University of L'Aquila, Rome, Italy
| | - E D'Ambrosio
- Institute of Neurobiology and Molecular Medicine, CNR, Rome, Italy
| | - C Vicentini
- Department of Surgery and University of L'Aquila, Rome, Italy
| | - M Bologna
- Department of Experimental Medicine, University of L'Aquila, Rome, Italy
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16
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Jaffe AH, Ade PA, Balbi A, Bock JJ, Bond JR, Borrill J, Boscaleri A, Coble K, Crill BP, de Bernardis P, Farese P, Ferreira PG, Ganga K, Giacometti M, Hanany S, Hivon E, Hristov VV, Iacoangeli A, Lange AE, Lee AT, Martinis L, Masi S, Mauskopf PD, Melchiorri A, Montroy T, Netterfield CB, Oh S, Pascale E, Piacentini F, Pogosyan D, Prunet S, Rabii B, Rao S, Richards PL, Romeo G, Ruhl JE, Scaramuzzi F, Sforna D, Smoot GF, Stompor R, Winant CD, Wu JH. Cosmology from MAXIMA-1, BOOMERANG, and COBE DMR cosmic microwave background observations. Phys Rev Lett 2001; 86:3475-3479. [PMID: 11328002 DOI: 10.1103/physrevlett.86.3475] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2000] [Indexed: 05/23/2023]
Abstract
Recent results from BOOMERANG-98 and MAXIMA-1, taken together with COBE DMR, provide consistent and high signal-to-noise measurements of the cosmic microwave background power spectrum at spherical harmonic multipole bands over 2<l less similar to 800. Analysis of the combined data yields 68% (95%) confidence limits on the total density, Omega(tot) approximately 1.11+/-0.07 (+0.13)(-0.12), the baryon density, Omega(b)h(2) approximately 0.032(+0.005)(-0.004) (+0.009)(-0.008), and the scalar spectral tilt, n(s) approximately 1.01(+0.09)(-0.07) (+0.17)(-0.14). These data are consistent with inflationary initial conditions for structure formation. Taken together with other cosmological observations, they imply the existence of both nonbaryonic dark matter and dark energy in the Universe.
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Affiliation(s)
- A H Jaffe
- Center for Particle Astrophysics, University of California, Berkeley, California 94720, USA
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17
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Cimino-Reale G, Pascale E, Battiloro E, Starace G, Verna R, D'Ambrosio E. The length of telomeric G-rich strand 3'-overhang measured by oligonucleotide ligation assay. Nucleic Acids Res 2001; 29:E35. [PMID: 11266570 PMCID: PMC31296 DOI: 10.1093/nar/29.7.e35] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.2] [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: 01/28/2023] Open
Abstract
A typical G-rich telomeric DNA strand, which runs 5'-->3' toward the chromosome ends, protrudes by several nucleotides in lower eukaryotes. In human chromosomes long G-rich 3'-overhangs have been found. Apart from the standard G-rich tail, several non-canonical terminal structures have been proposed. However, the mechanism of long-tail formation, the presence and the role of these structures in telomere maintenance or shortening are not completely understood. In a search for a simple method to accurately measure the 3'-overhang we have established a protocol based on the ligation of telomeric oligonucleotide hybridized to non-denatured DNA under stringent conditions (oligonucleotide ligation assay with telomeric repeat oligonucleotide). This method enabled us to detect a large proportion of G-rich single-stranded telomeric DNA that was as short as 24 nt. Nevertheless, we showed G-tails longer than 400 nt. In all tested cells the lengths ranging from 108 to 270 nt represented only 37% of the whole molecule population, while 56-62% were <90 nt. Our protocol provides a simple and sensitive method for measuring the length of naturally occurring unpaired repeated DNA.
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Affiliation(s)
- G Cimino-Reale
- Istituto di Neurobiologia e Medicina Molecolare, CNR, Viale Marx 15-43, I-00137, Roma, Italy
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18
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Pascale E, Tarani L, Meglio P, Businco L, Battiloro E, Cimino-Reale G, Verna R, D'Ambrosio E. Absence of association between a variant of the mast cell chymase gene and atopic dermatitis in an Italian population. Hum Hered 2001; 51:177-9. [PMID: 11173969 DOI: 10.1159/000053339] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [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: 11/19/2022] Open
Abstract
Atopic dermatitis (AD) is a chronic dermatitis which belongs to the group of atopy-related diseases together with asthma and rhinitis. IgE and mast cell chymase (MCC) play a key role in atopic or allergic inflammation of the skin. An association between AD and a genetic variant of the MCC has been reported in a Japanese population, but failure of confirmation has rendered this association questionable. We have tested for genetic association to an MCC variant in relation to AD in an Italian population. No significant association was found between AD and MCC genotypes. These data suggest that BstXI MCC polymorphism may not be involved in AD.
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Affiliation(s)
- E Pascale
- Dipartimento di Medicina Sperimentale, Università di L'Aquila, Roma, Italia
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19
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Melchiorri A, Ade PA, Bock JJ, Borrill J, Boscaleri A, Crill BP, Farese P, Ferreira PG, Ganga K, Giacometti M, Hristov VV, Jaffe AH, Lange AE, Masi S, Mauskopf PD, Miglio L, Netterfield CB, Pascale E, Piacentini F, Romeo G, Ruhl JE, Vittorio N. A Measurement of Omega from the North American Test Flight of Boomerang. Astrophys J 2000; 536:L63-L66. [PMID: 10859119 DOI: 10.1086/312744] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/1999] [Accepted: 05/04/2000] [Indexed: 05/23/2023]
Abstract
We use the angular power spectrum of the cosmic microwave background, measured during the North American test flight of the Boomerang experiment, to constrain the geometry of the universe. Within the class of cold dark matter models, we find that the overall fractional energy density of the universe Omega is constrained to be 0.85</=Omega</=1.25 at the 68% confidence level. Combined with the COBE measurement, the data on degree scales from the Microwave Anisotropy Telescope in Chile, and the high-redshift supernovae data, we obtain new constraints on the fractional matter density and the cosmological constant.
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20
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Mauskopf PD, Ade PA, Bock JJ, Borrill J, Boscaleri A, Crill BP, DeGasperis G, Farese P, Ferreira PG, Ganga K, Giacometti M, Hanany S, Hristov VV, Iacoangeli A, Jaffe AH, Lange AE, Lee AT, Masi S, Melchiorri A, Melchiorri F, Miglio L, Montroy T, Netterfield CB, Pascale E, Piacentini F, Richards PL, Romeo G, Ruhl JE, Scannapieco E, Scaramuzzi F, Stompor R, Vittorio N. Measurement of a Peak in the Cosmic Microwave Background Power Spectrum from the North American Test Flight of Boomerang. Astrophys J 2000; 536:L59-L62. [PMID: 10859118 DOI: 10.1086/312743] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/1999] [Accepted: 05/04/2000] [Indexed: 05/23/2023]
Abstract
We describe a measurement of the angular power spectrum of anisotropies in the cosmic microwave background (CMB) at scales of 0&fdg;3 to 5 degrees from the North American test flight of the Boomerang experiment. Boomerang is a balloon-borne telescope with a bolometric receiver designed to map CMB anisotropies on a long-duration balloon flight. During a 6 hr test flight of a prototype system in 1997, we mapped more than 200 deg(2) at high Galactic latitudes in two bands centered at 90 and 150 GHz with a resolution of 26&arcmin; and 16&farcm;5 FWHM, respectively. Analysis of the maps gives a power spectrum with a peak at angular scales of 1 degrees with an amplitude 70 µK(CMB).
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21
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Abstract
The identification of mutations in the haemochromatosis gene (HFE) (C282Y and H63D) provides the unique opportunity to test whether genetic variants that are associated with tissue iron accumulation may influence the risk of coronary atherosclerosis. To this aim the prevalence of C282Y and H63D mutations was determined in 174 patients with angiographically documented CAD (>50% stenosis) and history of MI, 187 healthy free-living individuals and 142 blood donors. C282Y and H63D mutations were not found to be more frequent in coronary patients as compared to controls. Moreover, these HFE variants were unrelated to the severity of coronary atherosclerosis. These findings did not provide evidence of an association between HFE mutations and the presence of coronary atherosclerosis or its major ischaemic complications, thus indicating that HFE mutations are poor genetic markers of coronary risk.
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Affiliation(s)
- E Battiloro
- Cattedra di Patologia Clinica, Dipartimento di Medicina Sperimentale e Patologia, Università di Roma La Sapienza, Rome, Italy
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22
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Angeletti B, Pascale E, Verna R, Passarelli F, Butler RH, D'Ambrosio E. Differential expression of heat shock protein (HSP70) mRNAs in rat cells. Exp Cell Res 1996; 227:160-4. [PMID: 8806463 DOI: 10.1006/excr.1996.0261] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Heat shock treatment in PC12 cells induces the synthesis of two HSP70 transcripts of 2.55 and 3.05 kb in size, while only a 70-kDa protein is shown by SDS-PAGE. Using reverse transcription-polymerase chain reaction strategy, two mRNA species were amplified from heat-shocked PC12 cells and sequenced. Both cDNAs revealed the same open reading frame encoding a single predicted 641-amino-acid polypeptide of about 70 kDa. The two 3' untranslated regions of the two mRNAs were completely different in both length and composition. Expression of the mRNA of the two corresponding genes and that of another rat HSP70 family member was investigated in PC12, Rat1 cells, and lung fibroblasts. Northern blot analysis revealed that the 2.55- and the 3.05-kb related gene transcripts are differentially expressed in the rat cell lines tested, while the third member of the subfamily is not induced. The single-copy nature of the three genes is also confirmed by Southern blot analysis.
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Affiliation(s)
- B Angeletti
- Dipartimento di Medicina Sperimentale, Università de L'Aquila, Italy
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23
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Bruni L, Angeletti B, Pascale E, Tozzi MC, Giammaria P, Verna R, D'Ambrosio E. Exclusion of Treacher Collins Franceschetti syndrome in a subject with tetralogy of Fallot and cryptorchidism. Clin Genet 1996; 50:89-92. [PMID: 8937767 DOI: 10.1111/j.1399-0004.1996.tb02354.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [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: 02/03/2023]
Abstract
Genotyping with flanking DNA markers was used to ascertain Treacher Collins Franceschetti syndrome (TCOF1) in a subject affected by tetralogy of Fallot and cryptorchidism. The proband's family consisted of a father and sister who were affected by the disease, and a healthy mother. Since cardiac malformation and cryptorchidism have been associated with the TCOF1 syndrome, the proband was suspected to be a carrier of the mutated gene. Microsatellite markers D5S527, SPARC and D5S519, which previously mapped the TCOF1 gene within a 2.1-cM interval on chromosome 5 (5q32-33.1), were used to follow the transmission of the TCOF1 mutated locus. Flanking markers D5S519 and D5S527 were informative and enabled us to exclude inheritance of a TCOF1 mutation to the proband, while showing that cardiac malformation and crytorchidism were unrelated in this patient.
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Affiliation(s)
- L Bruni
- Clinica Pediatrica, Università La Sapienza Rome, Italy
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24
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Affiliation(s)
- B Angeletti
- Dipartimento di Medicina Sperimentale, Università di L'Aquila, Italy
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25
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Affiliation(s)
- M R Micheli
- Dipartimento di Biologia Cellulare e Molecolare, Università di Perugia, Italy
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26
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Pascale E, Liu C, Valle E, Usdin K, Furano AV. The evolution of long interspersed repeated DNA (L1, LINE 1) as revealed by the analysis of an ancient rodent L1 DNA family. J Mol Evol 1993; 36:9-20. [PMID: 8433380 DOI: 10.1007/bf02407302] [Citation(s) in RCA: 53] [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] [Indexed: 01/30/2023]
Abstract
All modern mammals contain a distinctive, highly repeated (> or = 50,000 members) family of long interspersed repeated DNA called the L1 (LINE 1) family. While the modern L1 families were derived from a common ancestor that predated the mammalian radiation approximately 80 million years ago, most of the members of these families were generated within the last 5 million years. However, recently we demonstrated that modern murine (Old World rats and mice) genomes share an older long interspersed repeated DNA family that we called Lx. Here we report our analysis of the DNA sequence of Lx family members and the relationship of this family to the modern L1 families in mouse and rat. The extent of DNA sequence divergence between Lx members indicates that the Lx amplification occurred about 12 million years ago, around the time of the murine radiation. Parsimony analysis revealed that Lx elements were ancestral to both the modern rat and mouse L1 families. However, we found that few if any of the evolutionary intermediates between the Lx and the modern L1 families were extensively amplified. Because the modern L1 families have evolved under selective pressure, the evolutionary intermediates must have been capable of replication. Therefore, replication-competent L1 elements can reside in genomes without undergoing extensive amplification. We discuss the bearing of our findings on the evolution of L1 DNA elements and the mammalian genome.
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Affiliation(s)
- E Pascale
- Section on Genomic Structure and Function, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892
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27
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Pascale E, Valle E, Furano AV. Amplification of an ancestral mammalian L1 family of long interspersed repeated DNA occurred just before the murine radiation. Proc Natl Acad Sci U S A 1990; 87:9481-5. [PMID: 2251288 PMCID: PMC55190 DOI: 10.1073/pnas.87.23.9481] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Each mammalian genus examined so far contains 50,000-100,000 members of an L1 (LINE 1) family of long interspersed repeated DNA elements. Current knowledge on the evolution of L1 families presents a paradox because, although L1 families have been in mammalian genomes since before the mammalian radiation approximately 80 million years ago, most members of the L1 families are only a few million years old. Accordingly it has been suggested either that the extensive amplification that characterizes present-day L1 families did not occur in the past or that old members were removed as new ones were generated. However, we show here that an ancestral rodent L1 family was extensively amplified approximately 10 million years ago and that the relics (approximately 60,000 copies) of this amplification have persisted in modern murine genomes (Old World rats and mice). This amplification occurred just before the divergence of modern murine genera from their common ancestor and identifies the murine node in the lineage of modern muroid rodents. Our results suggest that repeated amplification of L1 elements is a feature of the evolution of mammalian genomes and that ancestral amplification events could provide a useful tool for determining mammalian lineages.
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Affiliation(s)
- E Pascale
- Laboratory of Biochemical Pharmacology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institute of Health, Bethesda, MD 20892
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28
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Nur I, Pascale E, Furano AV. Demethylation and specific remethylation of the promoter-like region of the L family of mammalian transposable elements. Cell Biophys 1989; 15:61-6. [PMID: 2476227 DOI: 10.1007/bf02991579] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- I Nur
- Orgenics, Ltd., Yavne, Israel
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29
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Nur I, Pascale E, Furano AV. The left end of rat L1 (L1Rn, long interspersed repeated) DNA which is a CpG island can function as a promoter. Nucleic Acids Res 1988; 16:9233-51. [PMID: 2459662 PMCID: PMC338703 DOI: 10.1093/nar/16.19.9233] [Citation(s) in RCA: 60] [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] [Indexed: 01/01/2023] Open
Abstract
Here we report that the 600 bp promoter-like region at the left end of a newly isolated and characterized rat L1 DNA element can activate the prokaryotic chloramphenicol acyltransferase gene in a rat cell line. Activation only occurs when the promoter region is oriented to the transferase gene as it is to the L1 protein encoding sequences and is 75% inhibited by methylation of just 5 of the 22 CpGs present in the promoter. The G + C rich promoter contains enough CpGs to qualify it as a CpG island, but in contrast to other CpG islands, genomic L1 promoters are fully methylated in both somatic cell and sperm DNA as judged by restriction enzyme analysis. Partial demethylation of the genomic promoters by treatment with 5-azacytidine failed to produce discrete L1 transcripts. The relationship of methylation to the evolutionary history and fate of the rat L1 promoter is discussed.
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Affiliation(s)
- I Nur
- Section on Genomic Structure and Function, National Institute of Diabetes, and Digestive and Kidney Diseases, Bethesda, MD 20892
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30
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Grimaldi S, Pascale E, Pozzi D, D'Onofrio M, Giganti MG, Verna R. Effect of ouabain binding on the fluorescent properties of the Na+/K+-ATPase. Biochim Biophys Acta 1988; 944:13-8. [PMID: 2843233 DOI: 10.1016/0005-2736(88)90311-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The influence of occupancy by ouabain of its specific binding site on the stability and conformation of the Na+/K+-ATPase has been investigated. When native Na+/K+-ATPase is exposed to guanidinium chloride or diluted acid, tryptophanyl fluorescence falls to 50% of the initial value. If ouabain is bound, higher concentrations of GdmCl or acidity are needed to reach the same decrease in fluorescence. The rotational diffusion coefficient (relaxation time), shows higher values for the Na+/K+-ATPase (ouabain) complex compared to the enzyme alone, suggesting an increase in molecular asymmetry. This observation is confirmed by the Stern-Volmer analysis that shows an increase in the accessibility of the fluorophores in the Na+/K+-ATPase (ouabain) (KSV = 15.6 M-1) with respect to the native enzyme (KSV = 12.5 M-1). Iodine perturbation of the enzyme labelled with FITC, demonstrates a decrease in the accessibility of the fluorescein probe in the Na+/K+-ATPase(ouabain) (KSV = 4 M-1) compared to the Na+/K+-ATPase (KSV = 7 M-1) indicating that after ouabain binding this site of the enzyme is less exposed to the solvent. These data, in agreement with other reports, suggest an allosteric effect of ouabain binding on the Na+/K+-ATPase conformation.
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Affiliation(s)
- S Grimaldi
- Istituto di Medicina Sperimentale C.N.R., Roma, Italy
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Hof PR, Pascale E, Magistretti PJ. K+ at concentrations reached in the extracellular space during neuronal activity promotes a Ca2+-dependent glycogen hydrolysis in mouse cerebral cortex. J Neurosci 1988; 8:1922-8. [PMID: 3385482 PMCID: PMC6569342] [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: 01/05/2023] Open
Abstract
The effect of increasing [K+]0 on 3H-glycogen levels was examined in mouse cerebral cortical slices. K+ stimulates in a time- and concentration-dependent manner the hydrolysis of 3H-glycogen. Over 70% of the maximal effect is reached within 30 sec and the EC50 for the glycogenolytic action of K+ is 11 mM. Significant 3H-glycogen hydrolysis occurs at 5-12 mM [K+]0, concentrations reached by the ion in the extracellular space during neuronal activity. The K+-evoked glycogenolysis is Ca2+-dependent, and is inhibited by Ca2+-channel blockers such as Ni2+ and Mn2+, but not by Cd2+, nifedipine, and omega-conotoxin. Furthermore, the effect of K+ is not enhanced by the Ca2+-channel agonist Bay K 8644. This type of pharmacological profile suggests that the activation of voltage-sensitive Ca2+ channels of the T subtype mediates the glycogenolytic action of K+. This set of observations suggests that K+ released in the extracellular space by active neurons may promote the mobilization of energy substrates and therefore play a role in the coupling between neuronal activity and energy metabolism.
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Affiliation(s)
- P R Hof
- Département de Pharmacologie, Centre Médical Universitaire, Geneva, Switzerland
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Abstract
The effect of insulin on human red blood cells was investigated, both on intact cells and on isolated plasma membranes, testing the responsiveness of membrane-bound enzymes--such as (Na+-K+)-ATPase and 5'-nucleotidase--as well as the ouabain binding and ionic fluxes. It appears that insulin stimulates Na-pumping mechanisms increasing (Na+-K+)-ATPase activity through an enhanced availability of pumping sites, as can be inferred from the increased ouabain binding. The apparent unresponsiveness of fluorescence polarization parameters, following insulin treatment of isolated plasma membranes and intact cells, rules out--at present--an involvement of membrane lipid fluidity in the mechanism of action of insulin on human erythrocytes.
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