Copper-triggered aggregation of ubiquitin (728 views)
Plosone (ISSN: 1932-6203, 1932-6203electronic, 1932-6203linking), 2009 Sep 16; 4(9): e7052-e7052.
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Paper type: Abstract, Conference, Research Support, Non-U. S. Gov'T,
Impact factor: 4.351, 5-year impact factor: 4.383
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-75549083286&partnerID=40&md5=accc07268418c75867b98dca8bd31941
Keywords: 2 Oleoyl 1 Palmitoylphosphatidylcholine, Amyloid, Copper, Cupric Ion, Dimer, Oligomer, Ubiquitin, Article, Atomic Force Microscopy, Beta Sheet, Bilayer Membrane, Chelation, Circular Dichroism, Controlled Study, Dielectric Constant, Gel Electrophoresis, Human, Incubation Time, Infrared Spectroscopy, Protein Aggregation, Structure Analysis, Transmission Electron Microscopy, Alzheimer Disease, Cell Membrane, Chelating Agents, Electrochemistry, Molecular Conformation, Proteasome Endopeptidase Complex, Protein Binding, Protein Structure, Secondary, Tertiary, Solvents, Fourier Transform Infrared, Metabolism, Methods,
Affiliations:
*** IBB - CNR ***
Dipartimento Farmaco-Chimico, University of Bari A. Moro, Bari, Italy.
Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi Biologici (CIRCMSB), Bari, Italy
Dipartimento di Chimica, University of Bari A. Moro, Bari, Italy
National Nanotechnology Laboratory of CNR-INFM, IIT Research Unit, University of Salento, Lecce, Italy
Dipartimento di Scienze Chimiche, University of Catania, Catania, Italy
References:
Not available.
Plosone (ISSN: 1932-6203, 1932-6203electronic, 1932-6203linking), 2009 Sep 16; 4(9): e7052-e7052.
Export to BibTeX Export to EndNote
Paper type: Abstract, Conference, Research Support, Non-U. S. Gov'T,
Impact factor: 4.351, 5-year impact factor: 4.383
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-75549083286&partnerID=40&md5=accc07268418c75867b98dca8bd31941
Keywords: 2 Oleoyl 1 Palmitoylphosphatidylcholine, Amyloid, Copper, Cupric Ion, Dimer, Oligomer, Ubiquitin, Article, Atomic Force Microscopy, Beta Sheet, Bilayer Membrane, Chelation, Circular Dichroism, Controlled Study, Dielectric Constant, Gel Electrophoresis, Human, Incubation Time, Infrared Spectroscopy, Protein Aggregation, Structure Analysis, Transmission Electron Microscopy, Alzheimer Disease, Cell Membrane, Chelating Agents, Electrochemistry, Molecular Conformation, Proteasome Endopeptidase Complex, Protein Binding, Protein Structure, Secondary, Tertiary, Solvents, Fourier Transform Infrared, Metabolism, Methods,
Affiliations:
*** IBB - CNR ***
Dipartimento Farmaco-Chimico, University of Bari A. Moro, Bari, Italy.
Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi Biologici (CIRCMSB), Bari, Italy
Dipartimento di Chimica, University of Bari A. Moro, Bari, Italy
National Nanotechnology Laboratory of CNR-INFM, IIT Research Unit, University of Salento, Lecce, Italy
Dipartimento di Scienze Chimiche, University of Catania, Catania, Italy
References:
Not available.
Copper-triggered aggregation of ubiquitin
Neurodegenerative disorders share common features comprising aggregation of misfolded proteins, failure of the ubiquitin-proteasome system, and increased levels of metal ions in the brain. Protein aggregates within affected cells often contain ubiquitin, however no report has focused on the aggregation propensity of this protein. Recently it was shown that copper, differently from zinc, nickel, aluminum, or cadmium, compromises ubiquitin stability and binds to the N-terminus with 0.1 micromolar affinity. This paper addresses the role of copper upon ubiquitin aggregation. In water, incubation with Cu(II) leads to formation of spherical particles that can progress from dimers to larger conglomerates. These spherical oligomers are SDS-resistant and are destroyed upon Cu(II) chelation or reduction to Cu(I). In water/trifluoroethanol (80:20, v/v), a mimic of the local decrease in dielectric constant experienced in proximity to a membrane surface, ubiquitin incubation with Cu(II) causes time-dependent changes in circular dichroism and Fourier-transform infrared spectra, indicative of increasing beta-sheet content. Analysis by atomic force and transmission electron microscopy reveals, in the given order, formation of spherical particles consistent with the size of early oligomers detected by gel electrophoresis, clustering of these particles in straight and curved chains, formation of ring structures, growth of trigonal branches from the rings, coalescence of the trigonal branched structures in a network. Notably, none of these ubiquitin aggregates was positive to tests for amyloid and Cu(II) chelation or reduction produced aggregate disassembly. The early formed Cu(II)-stabilized spherical oligomers, when reconstituted in 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC) liposomes and in POPC planar bilayers, form annular and pore-like structures, respectively, which are common to several neurodegenerative disorders including Parkinson's, Alzheimer's, amyotrophic lateral sclerosis, and prion diseases, and have been proposed to be the primary toxic species. Susceptibility to aggregation of ubiquitin, as it emerges from the present study, may represent a potential risk factor for disease onset or progression while cells attempt to tag and process toxic substrates.
Neurodegenerative disorders share common features comprising aggregation of misfolded proteins, failure of the ubiquitin-proteasome system, and increased levels of metal ions in the brain. Protein aggregates within affected cells often contain ubiquitin, however no report has focused on the aggregation propensity of this protein. Recently it was shown that copper, differently from zinc, nickel, aluminum, or cadmium, compromises ubiquitin stability and binds to the N-terminus with 0.1 micromolar affinity. This paper addresses the role of copper upon ubiquitin aggregation. In water, incubation with Cu(II) leads to formation of spherical particles that can progress from dimers to larger conglomerates. These spherical oligomers are SDS-resistant and are destroyed upon Cu(II) chelation or reduction to Cu(I). In water/trifluoroethanol (80:20, v/v), a mimic of the local decrease in dielectric constant experienced in proximity to a membrane surface, ubiquitin incubation with Cu(II) causes time-dependent changes in circular dichroism and Fourier-transform infrared spectra, indicative of increasing beta-sheet content. Analysis by atomic force and transmission electron microscopy reveals, in the given order, formation of spherical particles consistent with the size of early oligomers detected by gel electrophoresis, clustering of these particles in straight and curved chains, formation of ring structures, growth of trigonal branches from the rings, coalescence of the trigonal branched structures in a network. Notably, none of these ubiquitin aggregates was positive to tests for amyloid and Cu(II) chelation or reduction produced aggregate disassembly. The early formed Cu(II)-stabilized spherical oligomers, when reconstituted in 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC) liposomes and in POPC planar bilayers, form annular and pore-like structures, respectively, which are common to several neurodegenerative disorders including Parkinson's, Alzheimer's, amyotrophic lateral sclerosis, and prion diseases, and have been proposed to be the primary toxic species. Susceptibility to aggregation of ubiquitin, as it emerges from the present study, may represent a potential risk factor for disease onset or progression while cells attempt to tag and process toxic substrates.
Copper-triggered aggregation of ubiquitin
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Copper-triggered aggregation of ubiquitin
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Merlino A, Graziano G, Mazzarella L
* Structural And Dynamic Effects Of Alpha-Helix Deletion In Sso7d: Implications For Protein Thermal Stability (543 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2004 Dec 1; 57(4): 692-701.
Impact Factor: 4.429
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Langella E, Improta R, Barone V
* Checking the pH-induced conformational transition of prion protein by molecular dynamics simulations: Effect of protonation of histidine residues (648 views)
Biophysical Journal (ISSN: 0006-3495, 1542-0086), 2004 Dec; 87(6): 3623-3632.
Impact Factor: 4.585
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Merlino A, Vitagliano L, Ceruso MA, Mazzarella L
* Subtle functional collective motions in pancreatic-like ribonucleases: From ribonuclease A to angiogenin (499 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2003 Oct 1; 53(1): 101-110.
Impact Factor: 4.313
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Merlino A, Vitagliano L, Ceruso M, Di Nola A, Mazzarella L
* Global and local motions in ribonuclease A: A molecular dynamics study (613 views)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2002 Nov 15; 65(4): 274-283.
Impact Factor: 2.372
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Grasso D, Milardi D, La Rosa C, Impellizzeri G, Pappalardo G
* The interaction of a peptide with a scrambled hydrophobic/hydrophilic sequence (Pro-Asp-Ala-Asp-Ala-His-Ala-His-Ala-His-Ala-Ala-Ala-His-Gly) (PADH) with DPPC model membranes: A DSC study (524 views)
Thermochim Acta (ISSN: 0040-6031), 2002 Jul 15; 390(1-2): 73-78.
Impact Factor: 0.974
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* Diphenylalanine Motif Drives Self-Assembling in Hybrid PNA-Peptide Conjugates (79 views)
Chemistry (ISSN: 0947-6539linking, 1521-3765electronic), 2021 Oct 13; 27(57): 14307-14316.
Impact Factor: 5.236
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Gaglione R, Smaldone G, Di Girolamo R, Piccoli R, Pedone E, Arciello A
* Cell milieu significantly affects the fate of AApoAI amyloidogenic variants: predestination or serendipity? (809 views)
Bba-Gen Subjects (ISSN: 0005-2728, 0006-3002print, 1570-9639print), 2017 Nov 23; 1862(3): 377-384.
Impact Factor: 4.28
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Galdiero S, Falanga A, Morelli G, Galdiero M
* gH625: A milestone in understanding the many roles of membranotropic peptides (679 views)
Bba-Gen Subjects (ISSN: 0925-4439, 0006-3002, 1570-9639), 2015 Jan; 1848(PA): 16-25.
Impact Factor: 5.158
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GrassoG, Satriano C, Milardi D
* A neglected modulator of insulin-degrading enzyme activity and conformation: The pH (634 views)
Biophys Chem (ISSN: 0301-4622, 0301-4622linking), 2015; 203-204: 33-40.
Impact Factor: 2.363
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Tomasello MF, Sinopoli A, Attanasio F, Giuffrida ML, Campagna T, Milardi D, Pappalardo G
* Molecular and cytotoxic properties of hIAPP17-29 and rIAPP17-29 fragments: A comparative study with the respective full-length parent polypeptides (1531 views)
Eur J Med Chem (ISSN: 0223-5234, 1768-3254, 0223-5234linking), 2014 Jun 23; 81: 442-455.
Impact Factor: 3.447
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Grasso GI, Arena G, Bellia F, Rizzarelli E, Vecchio G
* Copper(II)-chelating homocarnosine glycoconjugate as a new multifunctional compound (897 views)
J Chem Res (ISSN: 0162-0134, 1873-3344, 0162-0134print), 2014 Feb; 131: 56-63.
Impact Factor: 3.444
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GrassoG, Magrì A, Bellia F, Pietropaolo A, La Mendola D, Rizzarelli E
* The Copper (ii) And Zinc (ii) Coordination Mode Of Hexxh And Hxxeh Motif In Small Peptides: The Role Of Carboxylate Location And Hydrogen Bonding Network (631 views)
J Chem Res (ISSN: 0162-0134, 1873-3344, 0162-0134print), 2014 Jan; 130(1): 92-102.
Impact Factor: 3.444
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Bellia F, Oliveri V, Rizzarelli E, Vecchio G
* New derivative of carnosine for nanoparticle assemblies (578 views)
Eur J Med Chem (ISSN: 1768-3254, 0223-5234, 1768-3254electronic), 2013 Dec; 70: 225-232.
Impact Factor: 3.432
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Pica A, Merlino A, Buell AK, Knowles TJ, Pizzo E, D'Alessio G, Sica F, Mazzarella L
* Three-dimensional domain swapping and supramolecular protein assembly: insights from the X-ray structure of a dimeric swapped variant of human pancreatic RNase (1329 views)
Acta Crystallogr D Biol Crystallogr (ISSN: 0907-4449, 0907-4449linking), 2013 Oct; 69: 2116-2123.
Impact Factor: 7.232
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Galdiero S, Falanga A, Cantisani M, Vitiello M, Morelli G, Galdiero M
* Peptide-Lipid Interactions: Experiments and Applications (1439 views)
Int J Mol Sc (ISSN: 1422-0067, 1661-6596, 1422-0067electronic), 2013 Sep; 14(9): 18758-18789.
Impact Factor: 2.339
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Attanasio F, Bonaccorso C, Bellia F, Cataldo S, Fortuna CG, Musumarra G, Pignataro B, Rizzarelli E
* (E)-2-Cyano-3-(5 Alpha-Piperidin-1-Yl-2, 2 Alpha-Bithien-5-Yl)acrylic Acid: A Fluorescent Probe For Detecting Prefibrillar Oligomers (510 views)
European Journal Of Organic Chemistry (ISSN: 1434-193x), 2013 Jun; (18): 3635-3639.
Impact Factor: 3.154
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De Simonea A, Stanzione F, Marasco D, Vitagliano L, Esposito L
* The Intrinsic Stability Of The Human Prion Beta-Sheet Region Investigated By Molecular Dynamics (879 views)
Journal Of Biomolecular Structure & Dynamics, 2013 May 1; 31(5): 441-452.
Impact Factor: 2.983
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Galdiero S, Falanga A, Tarallo R, Russo L, Galdiero E, Cantisani M, Morelli G, Galdiero M
* Peptide inhibitors against herpes simplex virus infections (1498 views)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2013 Mar; 19(3): 148-158.
Impact Factor: 1.862
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Sciacca MFM, Milardi D, Messina GML, Marletta G, Brender JR, Ramamoorthy A, La Rosa C
* Cations as switches of amyloid-mediated membrane disruption mechanisms: Calcium and IAPP (718 views)
Biophysical Journal (ISSN: 0006-3495, 1542-0086), 2013 Jan 8; 104(1): 173-184.
Impact Factor: 3.832
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Causa F, Della Moglie R, Iaccino E, Mimmi S, Marasco D, Scognamiglio PL, Battista E, Palmieri C, Cosenza C, Sanguigno L, Quinto I, Scala G, Netti PA
* Evolutionary screening and adsorption behavior of engineered M13 bacteriophage and derived dodecapeptide for selective decoration of gold interfaces (583 views)
J Colloid Interface Sci (ISSN: 0021-9797, 1095-7103electronic, 0021-9797linking), 2013 Jan 1; 389(1): 220-229.
Impact Factor: 1.646
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Pannuzzo M, Milardi D, Raudino A, Karttunen M, La Rosa C
* Analytical model and multiscale simulations of Aβ peptide aggregation in lipid membranes: Towards a unifying description of conformational transitions, oligomerization and membrane damage (908 views)
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2013; 15(23): 8940-8951.
Impact Factor: 4.198
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Attanasio F, De Bona P, Cataldo S, Sciacca MFM, Milardi D, Pignataro B, Pappalardo G
* Copper(II) and zinc(II) dependent effects on A beta 42 aggregation: a CD, Th-T and SFM study (623 views)
New J Chem (ISSN: 1144-0546), 2013; 37(4): 1206-1215.
Impact Factor: 3.159
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Pannuzzo M, Raudino A, Milardi D, La Rosa C, Karttunen M
* α-Helical structures drive early stages of self-assembly of amyloidogenic amyloid polypeptide aggregate formation in membranes (1377 views)
Sci Rep (ISSN: 2045-2322, 2045-2322electronic, 2045-2322linking), 2013; 3: N/D-N/D.
Impact Factor: 5.078
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Roviello GN, Mottola A, Musumeci D, Bucci EM, Pedone C
* Synthesis and aggregation properties of a novel enzymatically resistant nucleoamino acid (586 views)
Amino Acids (ISSN: 0939-4451, 1438-2199, 1438-2199electronic), 2012 Oct; 43(4): 1465-1470.
Impact Factor: 3.914
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Stanzione F, De Simone A, Esposito L, Vitagliano L
* Dynamical Properties of Steric Zipper Polymorphs Formed by a IAPP-Derived Peptide (598 views)
Protein Pept Lett (ISSN: 0929-8665, 1875-5305), 2012 Sep; 19(8): 846-851.
Impact Factor: 1.994
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Jószai V, Turi I, Kállay C, Pappalardo G, Di Natale G, Rizzarelli E, Sóvágó I
* Mixed metal copper(II)-nickel(II) and copper(II)-zinc(II) complexes of multihistidine peptide fragments of human prion protein (581 views)
J Chem Res (ISSN: 1873-3344, 0162-0134, 0162-0134print), 2012 Jul; 112: 17-24.
Impact Factor: 3.197
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Castellano I, Merlino A
* γ-glutamyltranspeptidases: Sequence, structure, biochemical properties, and biotechnological applications (604 views)
Cell Mol Life Sci (ISSN: 1420-682x), 2012; 69(20): 3381-3394.
Impact Factor: 5.615
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D'Errico G, Ercole C, Lista M, Pizzo E, Falanga A, Galdiero S, Spadaccini R, Picone D
* Enforcing the positive charge of N-termini enhances membrane interaction and antitumor activity of bovine seminal ribonuclease (909 views)
Bba-Gen Subjects (ISSN: 0005-2736, 0006-3002, 0925-4439), 2011 Dec; 1808(12): 3007-3015.
Impact Factor: 3.99
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Accardo A, Morisco A, Gianolio E, Tesauro D, Mangiapia G, Radulescu A, Brandt A, Morelli G
* Nanoparticles containing octreotide peptides and gadolinium complexes for MRI applications (617 views)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2011 Feb; 17(2): 154-162.
Impact Factor: 1.799
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Milardi D, Sciacca MFM, Pappalardo M, Grasso DM, La Rosa C
* The Role Of Aromatic Side-Chains In Amyloid Growth And Membrane Interaction Of The Islet Amyloid Polypeptide Fragment Lanflvh (631 views)
Eur Biophys J, 2011 Jan; 40(1): 1-12.
Impact Factor: 3.832
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Pedone E, Limauro D, D'Ambrosio K, De Simone G, Bartolucci S
* Multiple catalytically active thioredoxin folds: a winning strategy for many functions (1065 views)
Cell Mol Life Sci Cellular And Molecular Life Sciences (ISSN: 1420-682x), 2010 Nov; 67(22): 3797-3814.
Impact Factor: 7.047
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Turi I, Kállay C, Szikszai D, Pappalardo G, Di Natale G, De Bona P, Rizzarelli E, Sóvágó I
* Nickel(II) complexes of the multihistidine peptide fragments of human prion protein (603 views)
J Chem Res (ISSN: 1873-3344, 0162-0134, 0162-0134print), 2010 Sep; 104(8): 885-891.
Impact Factor: 3.317
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Satriano C, Messina GM, Marino C, Aiello I, Conte E, La Mendola D, Distefano DA, D'Alessandro F, Pappalardo G, Impellizzeri G
* Surface immobilization of fibronectin-derived PHSRN peptide on functionalized polymer films - Effects on fibroblast spreading (675 views)
J Colloid Interface Sci (ISSN: 1095-7103electronic, 0021-9797linking), 2010 Jan 15; 341(2): 232-239.
Impact Factor: 3.068
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Vitagliano L, Stanzione F, De Simone A, Esposito L
* Dynamics and Stability of Amyloid-Like Steric Zipper Assemblies with Hydrophobic Dry Interfaces (996 views)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2009 Dec; 91(12): 1161-1171.
Impact Factor: 2.605
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Palladino P, Ronga L, Benedetti E, Rossi F, Ragone R
* Peptide Fragment Approach to Prion Misfolding: The Alpha-2 Domain (517 views)
Int J Pept Res Ther (ISSN: 1573-3149, 0929-5666), 2009 Sep; 15(3): 165-176.
Impact Factor: 0.869
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Accardo A, Tesauro D, Morisco A, Mangiapia G, Vaccaro M, Gianolio E, Heenan RK, Paduano L, Morelli G
* Micelles obtained by aggregation of gemini surfactants containing the CCK8 peptide and a gadolinium complex (565 views)
J Biol Inorg Chem (ISSN: 0949-8257, 1432-1327electronic, 0949-8257linking), 2009 May; 14(4): 587-599.
Impact Factor: 3.415
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De Bona P, Giuffrida ML, Caraci F, Copani A, Pignataro B, Attanasio F, Cataldo S, Pappalardo G, Rizzarelli E
* Design And Synthesis Of New Trehalose-Conjugated Pentapeptides As Inhibitors Of Abeta (1-42) Fibrillogenesis And Toxicity (937 views)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2009 Mar; 15(3): 220-228.
Impact Factor: 1.807
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Morisco A, Accardo A, Gianolio E, Tesauro D, Benedetti E, Morelli G
* Micelles derivatized with octreotide as potential target-selective contrast agents in MRI (630 views)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2009 Mar; 15(3): 242-250.
Impact Factor: 1.807
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Ruggiero A, Tizzano B, Pedone E, Pedone C, Wilmanns M, Berisio R
* Crystal Structure of the Resuscitation-Promoting Factor (Delta DUF)RpfB from M. tuberculosis (829 views)
J Mol Biol (ISSN: 0022-2836, 1089-8638, 1089-8638electronic), 2009 Jan 9; 385(1): 153-162.
Impact Factor: 3.871
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Vitagliano L, Esposito L, Pedone C, De Simone A
* Stability of single sheet GNNQQNY aggregates analyzed by replica exchange molecular dynamics: antiparallel versus parallel association (873 views)
Biochem Biophys Res Commun (ISSN: 1090-2104, 0006-291x, 1090-2104electronic), 2008 Dec 26; 377(4): 1036-1041.
Impact Factor: 2.648
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La Mendola D, Pietropaolo A, Pappalardo G, Zannoni C, Rizzarelli E
* Prion proteins leading to neurodegeneration (541 views)
Current Alzheimer Research (ISSN: 1567-2050), 2008 Dec; 5(6): 579-590.
Impact Factor: 4.132
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Di Natale G, Damante CA, Nagy Z, Osz K, Pappalardo G, Rizzarelli E, Sóvágó I
* Copper(II) binding to two novel histidine-containing model hexapeptides: evidence for a metal ion driven turn conformation (545 views)
J Chem Res (ISSN: 1873-3344, 0162-0134, 0162-0134print), 2008 Nov; 102(11): 2012-2019.
Impact Factor: 3.133
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Ronga L, Palladino P, Saviano G, Tancredi T, Benedetti E, Ragone R, Rossi F
* Structural characterization of a neurotoxic threonine-rich peptide corresponding to the human prion protein α2-helical 180-195 segment and comparison with full-length α2-helix-derived peptides (564 views)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2008; 14(10): 1096-1102.
Impact Factor: 1.654
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Vaccaro M, Accardo A, D'Errico G, Schillen K, Radulescu A, Tesauro D, Morelli G, Paduano L
* Peptides and gd complexes containing colloidal assemblies as tumor-specific contrast agents in MRI: Physicochemical characterization (521 views)
Biophysical Journal (ISSN: 0006-3495, 1542-0086), 2007 Sep; 93(5): 1736-1746.
Impact Factor: 4.627
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Amorini AM, Bellia F, Di Pietro V, Giardina B, La Mendola D, Lazzarino G, Sortino S, Tavazzi B, Rizzarelli E, Vecchio G
* Synthesis And Antioxidant Activity Of New Homocarnosine Beta-Cyclodextrin Conjugates (501 views)
Eur J Med Chem (ISSN: 0223-5234, 1768-3254, 1768-3254electronic), 2007 Jul; 42(7): 910-920.
Impact Factor: 2.301
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Giuffrida ML, Grasso G, Ruvo M, Pedone C, Saporito A, Marasco D, Pignataro B, Cascio C, Copani A, Rizzarelli E
* Abeta(25-35) And Its C- And/Or N-Blocked Derivatives: Copper Driven Structural Features And Neurotoxicity (760 views)
Journal Of Neuroscience Research (ISSN: 0360-4012), 2007 Feb 15; 85(3): 623-633.
Impact Factor: 3.268
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Ronga L, Langella E, Palladino P, Marasco D, Tizzano B, Saviano M, Pedone C, Improta R, Ruvo M
* Does Tetracycline Bind Helix 2 Of Prion? An Integrated Spectroscopical And Computational Study Of The Interaction Between The Antibiotic And Alpha Helix 2 Human Prion Protein Fragments (772 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2007 Feb 15; 66(3): 707-715.
Impact Factor: 3.354
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Galdiero S, Galdiero M, Pedone C
* Beta-Barrel Membrane Bacterial Proteins: Structure, Function, Assembly And Interaction With Lipids (595 views)
Curr Protein Pept Sci (ISSN: 1389-2037, 1389-2037linking), 2007 Feb; 8(1): 63-82.
Impact Factor: 3.259
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Ronga L, Palladino P, Costantini S, Facchiano A, Ruvo M, Benedetti E, Ragone R, Rossi F
* Conformational diseases and structure-toxicity relationships: Lessons from prion-derived peptides (663 views)
Curr Protein Pept Sci (ISSN: 1389-2037, 1389-2037linking), 2007 Feb; 8(1): 83-90.
Impact Factor: 3.259
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Arena G, Deretzis I, Forte G, Giannazzo F, La Magna A, Lombardo G, Raineri V, Sgarlata C, Spoto G
* Electron transport properties of calix[4]arene based systems in a metal-molecule-metal junction (764 views)
New J Chem (ISSN: 1144-0546), 2007; 31(5): 756-761.
Impact Factor: 2.651
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Accardo A, Tesauro D, Mangiapia G, Pedone C, Morelli G
* Nanostructures by self-assembling peptide amphiphile as potential selective drug carriers (566 views)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2007; 88(2): 115-121.
Impact Factor: 2.389
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Crisma M, Saviano M, Moretto A, Broxterman QB, Kaptein B, Toniolo C
* Peptide α/310-helix dimorphism in the crystal state (539 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2007; 129(50): 15471-15473.
Impact Factor: 7.885
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Ronga L, Palladino P, Tizzano B, Marasco D, Benedetti E, Ragone R, Rossi F
* Effect of salts on the structural behavior of hPrP α2-helix-derived analogues: The counterion perspective (601 views)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2006 Dec; 12(12): 790-795.
Impact Factor: 1.801
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Esposito L, Pedone C, Vitagliano L
* Molecular dynamics analyses of cross-beta-spine steric zipper models: beta-sheet twisting and aggregation (1107 views)
P Natl Acad Sci Usa (ISSN: 0027-8424, 1091-6490, 0027-8424print), 2006 Sep 1; 103(31): 11533-11538.
Impact Factor: 9.643
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Merlino A, Esposito L, Vitagliano L
* Polyglutamine Repeats And Beta-Helix Structure: Molecular Dynamics Study (826 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2006 Jun 1; 63(4): 918-927.
Impact Factor: 3.73
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Tizzano B, Palladino P, De Capua A, Marasco D, Rossi F, Benedetti E, Pedone C, Ragone R, Ruvo M
* The Human Prion Protein Alpha2 Helix: A Thermodynamic Study Of Its Conformational Preferences (807 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2005 Apr 1; 59(1): 72-79.
Impact Factor: 4.684
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Merlino A, Ceruso MA, Vitagliano L, Mazzarella L
* Open interface and large quaternary structure movements in 3D domain swapped proteins: Insights from molecular dynamics simulations of the C-terminal swapped dimer of ribonuclease (759 views)
Biophysical Journal (ISSN: 0006-3495, 1542-0086), 2005 Mar; 88(3): 2003-2012.
Impact Factor: 4.507
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Merlino A, Graziano G, Mazzarella L
* Structural And Dynamic Effects Of Alpha-Helix Deletion In Sso7d: Implications For Protein Thermal Stability (543 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2004 Dec 1; 57(4): 692-701.
Impact Factor: 4.429
View Export to BibTeX Export to EndNote
Langella E, Improta R, Barone V
* Checking the pH-induced conformational transition of prion protein by molecular dynamics simulations: Effect of protonation of histidine residues (648 views)
Biophysical Journal (ISSN: 0006-3495, 1542-0086), 2004 Dec; 87(6): 3623-3632.
Impact Factor: 4.585
View Export to BibTeX Export to EndNote
Merlino A, Vitagliano L, Ceruso MA, Mazzarella L
* Subtle functional collective motions in pancreatic-like ribonucleases: From ribonuclease A to angiogenin (499 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2003 Oct 1; 53(1): 101-110.
Impact Factor: 4.313
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Merlino A, Vitagliano L, Ceruso M, Di Nola A, Mazzarella L
* Global and local motions in ribonuclease A: A molecular dynamics study (613 views)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2002 Nov 15; 65(4): 274-283.
Impact Factor: 2.372
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Grasso D, Milardi D, La Rosa C, Impellizzeri G, Pappalardo G
* The interaction of a peptide with a scrambled hydrophobic/hydrophilic sequence (Pro-Asp-Ala-Asp-Ala-His-Ala-His-Ala-His-Ala-Ala-Ala-His-Gly) (PADH) with DPPC model membranes: A DSC study (524 views)
Thermochim Acta (ISSN: 0040-6031), 2002 Jul 15; 390(1-2): 73-78.
Impact Factor: 0.974
View Export to BibTeX Export to EndNote
57 Records (56 excluding Abstracts).
Total impact factor: 204.032 (198.954 excluding Abstracts).
Total 5 year impact factor: 207.522 (202.444 excluding Abstracts).
Total impact factor: 204.032 (198.954 excluding Abstracts).
Total 5 year impact factor: 207.522 (202.444 excluding Abstracts).
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