Micelles obtained by aggregation of gemini surfactants containing the CCK8 peptide and a gadolinium complex
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Micelles obtained by aggregation of gemini surfactants containing the CCK8 peptide and a gadolinium complex (199 visite)

Accardo A, Tesauro D, Morisco A, Mangiapia G, Vaccaro M, Gianolio E, Heenan RK, Paduano L, Morelli G

J Biol Inorg Chem (ISSN: 0949-8257, 1432-1327electronic, 0949-8257linking), 2009 May; 14(4): 587-599.



Tipo di articolo: Journal Article,

Impact factor: 3.415, Impact factor a 5 anni: 3.533

Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-67349182328&partnerID=40&md5=4f8b53d13714fb99ae7fe465b22bc510

Parole chiave: Amphiphilic Gadolinium Complexes, Cck8 Peptide, Micelles, Peptide Gemini Surfactant, Small-Angle Neutron Scattering, Chelating Agent, Cholecystokinin, Contrast Medium, Cysteine, Unclassified Drug, Article, Beta Sheet, Chemical Structure, Circular Dichroism, Concentration (parameters), Conformational Transition, Controlled Study, Disulfide Bond, Fluorescence Spectroscopy, Lipophilicity, Molecular Size, Nuclear Magnetic Resonance Imaging, Priority Journal, Temperature, Molecular Structure, Biomolecular, Peptide Fragments, Protein Conformation, Surface-Active Agents,

Affiliazioni:

*** IBB - CNR ***
Department of Biological Sciences and IBB CNR, CIRPeB, University of Naples Federico II, Via Mezzocannone 16, 80134 Naples, Italy
Department of Chemistry CSGI, Consorzio Interuniversitario per Lo Sviluppo dei Sistemi A Grande Interfase, University of Naples Federico II, Via Cynthia, 80126 Naples, Italy
ISIS-CLRC, Rutherford Appleton Laboratory, Chilton, Oxfordshire OX11 0QX, United Kingdom


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Two gemini surfactants, [C18CysL5CCK8]2 and [C18CysDTPAGlu] 2, containing, respectively, the CCK8 peptide and the DTPAGlu chelating agent or its gadolinium complex have been prepared by linking lipophilic chains through a disulfide bond between two cysteine residues. The two surfactants aggregate in water solution forming pure or mixed micelles, with a critical micellar concentration in the 5 × 10-6-5 × 10-5 mol kg-1 range, as measured by fluorescence spectroscopy. As indicated by small-angle neutron scattering, the shape and size of the micelles are influenced by the temperature: increasing temperature leads to progressive reduction of the size of the supramolecular aggregates. Cylindrical structures found at lower temperatures (10-40 °C) evolve into ellipsoidal micelles at 50-80 °C. Furthermore, the surface-exposed CCK8 peptide changes its conformation above a transition temperature of approximately 45 °C, going from a β-sheet to a random-coil structure, as indicated by circular dichroism measurements. The mixed aggregate obtained by coaggregation of the two gemini-based amphiphilic compounds, [C18CysDTPAGlu(Gd)]2 and [C18CysL5CCK8]2 in 70:30 molar ratio, represents the first example of a peptide-containing gemini surfactant as a potential target-selective contrast agent in MRI. In fact, it presents a high relaxivity value of the gadolinium complex, 21.5 mM-1 s -1, and the CCK8 bioactive peptide exposed on the external surface is therefore capable of selective targeting of the cholecystokinin receptors. © 2009 SBIC.
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Impact Factor: 2.02
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Vaccaro M, Mangiapia G, Accardo A, Tesauro D, Gianolio E, Frielinghaus H, Morelli G, Paduano L
* Polymerized mixed aggregates containing gadolinium complex and CCK8 peptide (146 visite)
Colloid Polym Sci (ISSN: 0303-402x), 2008 Dec; 286(14-15): 1643-1652.
Impact Factor: 1.736
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Accardo A, Tesauro D, Del Pozzo L, Mangiapia G, Paduano L, Morelli G
* Micelles by self-assembling peptide-conjugate amphiphile: Synthesis and structural characterization (181 visite)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2008 Sep; 14(8): 903-910.
Impact Factor: 1.654
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Accardo A, Tesauro D, Aloj L, Tarallo L, Arra C, Mangiapia G, Vaccaro M, Pedone C, Paduano L, Morelli G
* Peptide-containing aggregates as selective nanocarriers for therapeutics (156 visite)
Chemmedchem (ISSN: 1860-7179, 1860-7187, 1860-7187electronic), 2008 Apr; 3(4): 594-602.
Impact Factor: 3.15
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Saviano M, De Luca S, Morelli G, Tesauro D, Pedone C
* Preparation and use of cyclic and branched peptides and their labelled derivatives as therapeutic agents, cholecystokinin agonists or antagonists, and diagnostic agents to identify and locate tumours (173 visite)
Patents Official Gazette Of The United States Patent And Trademark Office (ISSN: 0098-1133), 2008 Feb 12; N/D: N/D-N/D.
Impact Factor: 0
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D'Andrea LD, Testa I, Panico M, Di Stasi R, Carac C, Tarallo L, Arra C, Barbieri A, Romanelli A, Aloj L
* In vivo and in vitro characterization of CCK8 bearing a histidine-based chelator labeled with Tc-99m-tricarbonyl (199 visite)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2008; 90(5): 707-712.
Impact Factor: 2.823
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De Luca S, De Capua A, Saviano M, Della Moglie R, Aloj L, Tarallo L, Pedone C, Morelli G
* Synthesis and biological evaluation of cyclic and branched peptide analogues as ligands for cholecystokinin type 1 receptor (152 visite)
Bioorg Med Chem (ISSN: 0968-0896, 1464-3391, 1464-3391electronic), 2007 Sep 1; 15(17): 5845-5853.
Impact Factor: 2.662
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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 (173 visite)
Biophysical Journal (ISSN: 0006-3495, 1542-0086), 2007 Sep; 93(5): 1736-1746.
Impact Factor: 4.627
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Tesauro D, Accardo A, Gianolio E, Paduano L, Teixeira J, Schillén K, Aime S, Morelli G
* Peptide derivatized lamellar aggregates as target-specific MRI contrast agents (188 visite)
Chembiochem (ISSN: 1439-4227, 1439-7633, 1439-7633electronic), 2007 May 25; 8(8): 950-955.
Impact Factor: 3.446
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Cuzzocrea S, Genovese T, Failla M, Vecchio G, Fruciano M, Mazzon E, Di Paola R, Muià C, La Rosa C, Crimi N, Rizzarelli E, Vancheri C
* Protective effect of orally administered carnosine on bleomycin-induced lung injury (156 visite)
Am J Physiol Lung Cell Mol Physiol (ISSN: 1040-0605), 2007 May; 292(5): L1095-L1095.
Impact Factor: 4.214
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Agostini S, Bolzati C, Didonè E, Cavazza-Ceccato M, Refosco F, Aloj L, Arra C, Aurilio M, Tornesello AL, Tesauro D, Morelli G
* The (Tc(N)(PNP))2+ metal fragment labeled cholecystokinin-8 (CCK8) peptide for CCK-2 receptors imaging: In vitro and in vivo studies (173 visite)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2007 Apr; 13(4): 211-219.
Impact Factor: 1.768
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Accardo A, Tesauro D, Morelli G, Gianolio E, Aime S, Vaccaro M, Mangiapia G, Paduano L, Schillén K
* High-relaxivity supramolecular aggregates containing peptides and Gd complexes as contrast agents in MRI (184 visite)
J Biol Inorg Chem (ISSN: 0949-8257, 1432-1327electronic, 0949-8257print), 2007 Feb; 12(2): 267-276.
Impact Factor: 3.325
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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 (181 visite)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2007; 88(2): 115-121.
Impact Factor: 2.389
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Aloj L, Aurilio M, Rinaldi V, D'Ambrosio L, Tesauro D, Peitl PK, Maina T, Mansi R, Von Guggenberg E, Joosten L, Sosabowski JK, Breeman WA, De Blois E, Koelewijn S, Melis M, Waser B, Beetschen K, Reubi JC, De Jong M
* The EEE project (177 visite)
Proc Int Cosm Ray Conf Icrc Universidad Nacional Autonoma De Mexico, 2007; 5(HEPART2): 977-980.
Impact Factor: 0
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De Luca S, Saviano M, Della Moglie R, Digilio G, Bracco C, Aloj L, Tarallo L, Pedone C, Morelli G
* Conformationally constrained CCK8 analogues obtained from a rationally designed peptide library as ligands for cholecystokinin type B receptor (162 visite)
Chemmedchem (ISSN: 1860-7179, 1860-7187, 1860-7187electronic), 2006 Sep; 1(9): 997-1006.
Impact Factor: 3.046
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Vaccaro M, Accardo A, Tesauro D, Mangiapia G, Loef D, Schillen K, Soederman O, Morelli G, Paduan L
* Supramolecular aggregates of amphiphilic gadolinium complexes as blood pool MRI/MRA contrast agents: Physicochemical characterization (152 visite)
Langmuir (ISSN: 0743-7463), 2006 Jul 18; 22(15): 6635-6643.
Impact Factor: 3.902
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De Luca S, Saviano M, Lassiani L, Yannakopoulou K, Stefanidou P, Aloj L, Morelli G, Varnavas A
* Anthranilic acid based CCK1 receptor antagonists and CCK-8 have a common step in their "receptor desmodynamic processes" (160 visite)
J Med Chem (ISSN: 0022-2623, 1520-4804, 0022-2623print), 2006 Apr 20; 49(8): 2456-2462.
Impact Factor: 5.115
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Roscigno P, D'Auria G, Falcigno L, D'Errico G, Paduano L
* Effect of the addition of a nonionic surfactant on the complex poly(asparagine)-cationic surfactant (152 visite)
Langmuir (ISSN: 0743-7463), 2005 Sep 30; 21(18): 8123-8130.
Impact Factor: 3.705
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De Luca S, Sanseverino M, Zocchi I, Pedone C, Morelli G, Ragone R
* Receptor fragment approach to the binding between CCK8 peptide and cholecystokinin receptors: A fluorescence study on type B receptor fragment CCKB-R (352-379) (151 visite)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2005 Mar; 77(4): 205-211.
Impact Factor: 2.545
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Di Natale G, Impellizzeri G, Pappalardo G
* Conformational properties of peptide fragments homologous to the 106-114 and 106-126 residues of the human prion protein: a CD and NMR spectroscopic study (147 visite)
Org Biomol Chem (ISSN: 1477-0520, 1477-0539, 1477-0539electronic), 2005 Feb 7; 3(3): 490-497.
Impact Factor: 2.547
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De Luca S, Morelli G
* Synthesis and characterization of a sulfated and a non-sulfated cyclic CCK8 analogue functionalized with a chelating group for metal labelling (142 visite)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2004 May; 10(5): 265-273.
Impact Factor: 1.652
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Accardo A, Tesauro D, Roscigno P, Gianolio E, Paduano L, D'Errico G, Pedone C, Morelli G
* Physicochemical Properties of Mixed Micellar Aggregates Containing CCK Peptides and Gd Complexes Designed as Tumor Specific Contrast Agents in MRI (183 visite)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2004 Mar 17; 126(10): 3097-3107.
Impact Factor: 6.903
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Aloj L, Caracò C, Panico M, Zannetti A, Del Vecchio S, Tesauro D, De Luca S, Arra C, Pedone C, Morelli G, Salvatore M
* In vitro and in vivo evaluation of In-111-DTPAGlu-G-CCK8 for cholecystokinin-B receptor imaging (234 visite)
J Nucl Med (ISSN: 1535-5667, 0161-5505, 1535-5667electronic), 2004 Mar; 45(3): 485-494.
Impact Factor: 5.362
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Aloj L, Panico M, Caraco C, Del Vecchio S, Arra C, Affuso A, Accardo A, Mansi R, Tesauro D, De Luca S, Pedone C, Visentin R, Mazzi U, Morelli G, Salvatore M
* In vitro and in vivo characterization of Indium-111 and Technetium-99m labeled CCK-8 derivatives for CCK-B receptor imaging (168 visite)
Cancer Biotherapy And Radiopharmaceuticals (ISSN: 1084-9785, 1084-4978), 2004 Feb; 19(1): 93-98.
Impact Factor: 1.091
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Mangiapia G, Accardo A, Celso FL, Tesauro D, Morelli G, Radulescu A, Paduano L
* Mixed micelles composed of peptides and gadolinium complexes as tumor-specific contrast agents in MRI: A sans study (196 visite)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2004; 108(45): 17611-17617.
Impact Factor: 3.834
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Mansi R, Tesauro D, De Capua A, Fattorusso R, Carac C, Aloj L, Benedetti E, Morelli G
* Peptide-chelating agent conjugate for selective targeting of somatostatin receptor type 1: Synthesis and characterization (184 visite)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2004; 76(6): 527-534.
Impact Factor: 2.863
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De Luca S, Ragone R, Bracco C, Digilio G, Aloj L, Tesauro D, Saviano M, Pedone C, Morelli G
* A cyclic CCK8 analogue selective for the cholecystokinin type A receptor: design, synthesis, NMR structure and binding measurements (171 visite)
Chembiochem (ISSN: 1439-7633, 1439-4227, 1439-7633electronic), 2003 Nov 7; 4(11): 1176-1187.
Impact Factor: 3.992
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De Luca S, Ragone R, Bracco C, Digilio G, Tesauro D, Saviano M, Pedone C, Morelli G
* The role of segment 32-47 of cholecystokinin receptor type A in CCK8 binding: Synthesis, nuclear magnetic resonance, circular dichroism and fluorescence studies (119 visite)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2003 Mar; 9(3): 156-169.
Impact Factor: 1.377
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Morelli G, De Luca S, Tesauro D, Saviano M, Pedone C, Dolmella A, Visentin R, Mazzi U
* CCK8 peptide derivatized with diphenylphosphine for rhenium labelling: Synthesis and molecular mechanics calculations (119 visite)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2002 Jul; 8(7): 373-381.
Impact Factor: 1.691
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Aloj L, Panico M, Caracó C, Zannetti A, Del Vecchio S, Di Nuzzo C, Arra C, Morelli G, Tesauro D, De Luca S, Pedone C, Salvatore M
* Radiolabeling approaches for cholecystokinin B receptor imaging (214 visite)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2002; 66(6): 370-380.
Impact Factor: 2.372
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Aloj L, Zannetti A, Caraco C, Del Vecchio S, Tasauro D,  De Luca S, Brunetti A, Aime S, Morelli G, Pedone C
* Characterization of 111In labeled CCK8 peptide coupled to a novel DTPA-like derivative in CCK-B receptor overexpressing cells (167 visite)
Eur J Nucl Med (ISSN: 0340-6997, 1619-7070, 1619-7089), 2001 Sep; 28(8): N/D-N/D.
Impact Factor: 3.464
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De Luca S, Tesauro D, Di Lello P, Fattorusso R, Saviano M, Pedone C, Morelli G
* Synthesis and solution characterization of a porphyrin-CCK8 conjugate (141 visite)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2001 Jul; 7(7): 386-394.
Impact Factor: 1.451
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Ragone R, De Luca S, Tesauro D, Pedone C, Morelli G
Fluorescence studies on the binding between 1-47 fragment of cholecystokinin receptor CCKA-R(1-47) and nonsulfated cholecystokinin octapeptide CCK8 (166 visite)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2000; 56(1): 47-53.
Impact Factor: 2.405
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62 Records (58 escludendo Abstract e Conferenze).
Impact factor totale: 205.482 (189.361 escludendo Abstract e Conferenze).
Impact factor a 5 anni totale: 218.912 (201.006 escludendo Abstract e Conferenze).







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