Copper(ii) Interaction With Amyloid-Beta: Affinity And Speciation (526 views)
Coord Chem Rev (ISSN: 0010-8545), 2012 Jan; 256(1-2): 3-12.
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Paper type: Journal Article,
Impact factor: 11.016, 5-year impact factor: 12.257
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-81855183533&partnerID=40&md5=3e7d0b3d5f074f72d8f997b55a64bd61
Keywords: Alzheimer, S Disease, Amyloid, Copper, Potentiometry, Stability Constants,
Affiliations:
*** IBB - CNR ***
Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
CNR-Institute of Biostructure and Bioimaging Catania, Viale A. Doria 6, 95125 Catania, Italy
Department of Inorganic and Analytical Chemistry, University of Debrecen, H-4010 Debrecen, Hungary
References:
Not available.
Coord Chem Rev (ISSN: 0010-8545), 2012 Jan; 256(1-2): 3-12.
Export to BibTeX Export to EndNote
Paper type: Journal Article,
Impact factor: 11.016, 5-year impact factor: 12.257
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-81855183533&partnerID=40&md5=3e7d0b3d5f074f72d8f997b55a64bd61
Keywords: Alzheimer, S Disease, Amyloid, Copper, Potentiometry, Stability Constants,
Affiliations:
*** IBB - CNR ***
Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
CNR-Institute of Biostructure and Bioimaging Catania, Viale A. Doria 6, 95125 Catania, Italy
Department of Inorganic and Analytical Chemistry, University of Debrecen, H-4010 Debrecen, Hungary
References:
Not available.
Copper(ii) Interaction With Amyloid-Beta: Affinity And Speciation
Numerous conflicting values have been proposed regarding the affinity of Cu2+ for amyloid-beta (A beta) peptide, the causative agent of Alzheimer's disease. In the present review, we critically compare the two approaches employed so far (the K-d and the stability constant approach) to express the affinity of copper (II) for the amyloid-beta (A beta) peptide and highlight the limits and the advantages of the two approaches. We also analyze the conditions employed for some experiments, which we have taken as examples, highlighting some of the points that may have generated the deriving divergent propositions. Through the analysis of the species distribution, we show the implications that a correct speciation may have on data interpretation as well as on experiment planning. By doing so, this review aims at shifting the perspective on the binding issue from the classic K-d approach, based on low and high affinity binding sites - often referred to as component I and II, or form land II - to stoichiometry determination and, as a consequence, to the speciation of Cu-A beta complexes. Additionally, this review has the purpose of demonstrating that a quantitative assessment of the coordination sphere is complicated by the variety of equilibria often occurring over a relatively narrow pH range. (C) 2011 Elsevier B. V. All rights reserved
Numerous conflicting values have been proposed regarding the affinity of Cu2+ for amyloid-beta (A beta) peptide, the causative agent of Alzheimer's disease. In the present review, we critically compare the two approaches employed so far (the K-d and the stability constant approach) to express the affinity of copper (II) for the amyloid-beta (A beta) peptide and highlight the limits and the advantages of the two approaches. We also analyze the conditions employed for some experiments, which we have taken as examples, highlighting some of the points that may have generated the deriving divergent propositions. Through the analysis of the species distribution, we show the implications that a correct speciation may have on data interpretation as well as on experiment planning. By doing so, this review aims at shifting the perspective on the binding issue from the classic K-d approach, based on low and high affinity binding sites - often referred to as component I and II, or form land II - to stoichiometry determination and, as a consequence, to the speciation of Cu-A beta complexes. Additionally, this review has the purpose of demonstrating that a quantitative assessment of the coordination sphere is complicated by the variety of equilibria often occurring over a relatively narrow pH range. (C) 2011 Elsevier B. V. All rights reserved
Copper(ii) Interaction With Amyloid-Beta: Affinity And Speciation
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Copper(ii) Interaction With Amyloid-Beta: Affinity And Speciation
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Impact Factor: 3.348
View Export to BibTeX Export to EndNote
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Impact Factor: 5.831
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Impact Factor: 11.016
View Export to BibTeX Export to EndNote
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View Export to BibTeX Export to EndNote
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View Export to BibTeX Export to EndNote
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Impact Factor: 4.593
View Export to BibTeX Export to EndNote
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Impact Factor: 3.838
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* Nickel (ii) And Mixed Metal Complexes Of Amyloid-B N-Terminus. Results Of Potentiometric And Spectroscopic Studies On The Binary Nickel (ii) And Mixed Metal Nickel (ii)-Copper (ii) And Nickel (ii)-Copper (ii)-Zinc (ii) Complexes Of Peptide Fragments (655 views)
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Impact Factor: 3.647
View Export to BibTeX Export to EndNote
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* Metal Loading Capacity Of Abeta N-Terminus: A Combined Potentiometric And Spectroscopic Study Of Zinc (ii) Complexes With Abeta (1-16), Its Short Or Mutated Peptide Fragments And Its Polyethylene Glycol-Ylated Analogue (671 views)
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Impact Factor: 4.657
View Export to BibTeX Export to EndNote
Di Natale G, Osz K, Nagy Z, Sanna D, Micera G, Pappalardo G, Sovago I, Rizzarelli E
* The Interaction Of Copper (ii) With The Prion Peptide Fragment Huprp (76-114) Encompassing Four Histidyl Residues Within And Outside The Octarepeat Domain (756 views)
Inorg Chem (ISSN: 0020-1669, 1520-510x, 1520-510xelectronic), 2009 May 4; 48(9): 4239-4250.
Impact Factor: 4.657
View Export to BibTeX Export to EndNote
La Mendola D, Magrì A, Hansson O, Bonomo RP, Rizzarelli E
* Copper(II) complexes with peptide fragments encompassing the sequence 122-130 of human doppel protein (458 views)
Journal Of Inorganic Biochemistry, 2009 May; 103(5): 758-765.
Impact Factor: 3.444
View Export to BibTeX Export to EndNote
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 (521 views)
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Impact Factor: 3.133
View Export to BibTeX Export to EndNote
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Inorg Chem (ISSN: 0020-1669, 1520-510x, 1520-510xelectronic), 2008 Oct 20; 47(20): 9669-9683.
Impact Factor: 4.147
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Osz K, Nagy Z, Pappalardo G, Di Natale G, Sanna D, Micera G, Rizzarelli E, Sóvágó I
* Copper(II) interaction with prion peptide fragments encompassing histidine residues within and outside the octarepeat domain: speciation, stability constants and binding details (751 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2007; 13(25): 7129-7143.
Impact Factor: 5.33
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Di Natale G, Grasso G, Impellizzeri G, La Mendola D, Micera G, Mihala N, Nagy Z, Osz K, Pappalardo G, Rigó V, Rizzarelli E, Sanna D, Sóvágó I
* Copper(II) interaction with unstructured prion domain outside the octarepeat region: Speciation, stability, and binding details of copper(II) complexes with PrP106-126 peptides (4349 views)
Inorg Chem (ISSN: 0020-1669, 1520-510x, 1520-510xelectronic), 2005 Oct 3; 44(20): 7214-7225.
Impact Factor: 3.851
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Cucinotta V, Giuffrida A, Maccarrone G, Messina M, Puglisi A, Rizzarelli E, Vecchio G
* Coordination properties of 3-functionalized β-cyclodextrins. Thermodynamic stereoselectivity of copper(II) complexes of the A, B-diamino derivative and its exploitation in LECE (418 views)
Dalton T (ISSN: 1477-9226, 1477-9234, 1477-9234electronic), 2005 Sep 21; (16): 2731-2736.
Impact Factor: 3.003
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La Mendola D, Bonomo RP, Impellizzeri G, Maccarrone G, Pappalardo G, Pietropaolo A, Rizzarelli E, Zito V
* Copper(II) complexes with chicken prion repeats: Influence of proline and tyrosine residues on the coordination features (425 views)
J Biol Inorg Chem (ISSN: 0949-8257, 1432-1327electronic, 0949-8257print), 2005 Sep; 10(5): 463-475.
Impact Factor: 3.224
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Puglisi A, Tabbì G, Vecchio G
* Bioconjugates of cyclodextrins of manganese salen-type ligand with superoxide dismutase activity (462 views)
J Chem Res (ISSN: 0162-0134, 1873-3344, 0162-0134print), 2004 Jun; 98(6): 969-976.
Impact Factor: 2.225
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Bonomo RP, Imperllizzeri G, Pappalardo G, Rizzarelli E, Tabbì G
Copper(II) binding modes in the prion octapeptide PHGGGWGQ: A spectroscopic and voltammetric study (572 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2000 Nov 17; 6(22): 4195-4202.
Impact Factor: 4.698
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Conato C, Contino A, Maccarrone G, Magrì A, Remelli M, Tabbì G
Copper(II) complexes with L-lysine and L-ornithine: Is the side-chain involved in the coordination? A thermodynamic and spectroscopic study (433 views)
Thermochim Acta (ISSN: 0040-6031), 2000 Nov 13; 362(1-2): 13-23.
Impact Factor: 0.807
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Aime S, Dastrù W, Gobetto R, Viale A
An NMR study of H(μ-H)Os3(CO)11 (463 views)
Inorg Chem (ISSN: 0020-1669, 1520-510x, 1520-510xelectronic), 2000; 39(11): 2422-2425.
Impact Factor: 2.712
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Bonomo RP, Cucinotta V, D'Alessandro F, Impellizzeri G, Maccarrone G, Rizzarelli E, Vecchio G, Carima L, Corradini R, Sartor G, Marchelli R
Chiral recognition by the copper(ii) complex of 6-deoxy-6-n-(2 - methylaminopyridine)-β-cyclodextrin (588 views)
Chirality (ISSN: 0899-0042), 1997; 9(4): 341-349.
Impact Factor: 1.915
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31 Records (31 excluding Abstracts).
Total impact factor: 121.164 (121.164 excluding Abstracts).
Total 5 year impact factor: 128.864 (128.864 excluding Abstracts).
Total impact factor: 121.164 (121.164 excluding Abstracts).
Total 5 year impact factor: 128.864 (128.864 excluding Abstracts).
526 views. Last view on Friday 31 May 2024, 22:14:16
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