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Altamura M, Dragoni E, Infantino AS, Legnani L, Ludbrook SB, Menchi G, Toma L, Nativi C. Cyclic glycopeptidomimetics through a versatile sugar-based scaffold. Bioorg Med Chem Lett 2009; 19:3841-4. [DOI: 10.1016/j.bmcl.2009.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2009] [Revised: 03/31/2009] [Accepted: 04/03/2009] [Indexed: 11/25/2022]
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2
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Gao X, Wong TC. The study of the conformation and interaction of two tachykinin peptides in membrane mimicking systems by NMR spectroscopy and pulsed field gradient diffusion. Biopolymers 1999; 50:555-68. [PMID: 10479738 DOI: 10.1002/(sici)1097-0282(19991015)50:5<555::aid-bip9>3.0.co;2-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Pulsed-field gradient diffusion has been used to study the binding of two tachykinin peptides, [Tyr(8)]-substance P (SP) and [Tyr(0)]-neurokinin A (NKA) to two membrane-mimicking micelles, dodecylphosphocholine, and sodium dodecylsulfate. The structure of these peptides bound to the micelles have also been studied by using two-dimensional nmr and restrained simulated annealing calculations. No major difference in the structures of each peptide in the two micellar media was found. The difference between the micelle-bound structure of [Tyr(8)]SP and that of SP was also minor. The longer helical conformation on the C-terminus for [Tyr(0)]NKA was observed, compared with that for NKA. The relationship between the difference in the biological potencies of [Tyr(8)]SP and SP and the differences in their structure, especially the interaction of the side chains of the two aromatic residues, and the difference in their binding affinities to membrane was discussed. In addition, differences between the result of restrained molecular dynamics simulations of [Tyr(8)]SP in the presence of an explicit micelle and the present results were observed and discussed.
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Affiliation(s)
- X Gao
- Department of Chemistry, University of Missouri, Columbia, MO 65211, USA
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Lombardi A, D'Auria G, Maglio O, Nastri F, Quartara L, Pedone C, Pavone V. A Novel Rigid β-Turn Molecular Scaffold. J Am Chem Soc 1998. [DOI: 10.1021/ja9643329] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Angela Lombardi
- Contribution from the Centro Interuniversitario di Ricerca su Peptidi Bioattivi, University of Naples “Federico II”, Via Mezzocannone 4, I-80134 Napoli, Italy, Centro diStudio di Biocristallografia-CNR, Via Mezzocannone 4, I-80134 Napoli, Italy, and A. Menarini Pharmaceutical Industries, Via Sette Santi 3, 50131 Firenze, Italy
| | - Gabriella D'Auria
- Contribution from the Centro Interuniversitario di Ricerca su Peptidi Bioattivi, University of Naples “Federico II”, Via Mezzocannone 4, I-80134 Napoli, Italy, Centro diStudio di Biocristallografia-CNR, Via Mezzocannone 4, I-80134 Napoli, Italy, and A. Menarini Pharmaceutical Industries, Via Sette Santi 3, 50131 Firenze, Italy
| | - Ornella Maglio
- Contribution from the Centro Interuniversitario di Ricerca su Peptidi Bioattivi, University of Naples “Federico II”, Via Mezzocannone 4, I-80134 Napoli, Italy, Centro diStudio di Biocristallografia-CNR, Via Mezzocannone 4, I-80134 Napoli, Italy, and A. Menarini Pharmaceutical Industries, Via Sette Santi 3, 50131 Firenze, Italy
| | - Flavia Nastri
- Contribution from the Centro Interuniversitario di Ricerca su Peptidi Bioattivi, University of Naples “Federico II”, Via Mezzocannone 4, I-80134 Napoli, Italy, Centro diStudio di Biocristallografia-CNR, Via Mezzocannone 4, I-80134 Napoli, Italy, and A. Menarini Pharmaceutical Industries, Via Sette Santi 3, 50131 Firenze, Italy
| | - Laura Quartara
- Contribution from the Centro Interuniversitario di Ricerca su Peptidi Bioattivi, University of Naples “Federico II”, Via Mezzocannone 4, I-80134 Napoli, Italy, Centro diStudio di Biocristallografia-CNR, Via Mezzocannone 4, I-80134 Napoli, Italy, and A. Menarini Pharmaceutical Industries, Via Sette Santi 3, 50131 Firenze, Italy
| | - Carlo Pedone
- Contribution from the Centro Interuniversitario di Ricerca su Peptidi Bioattivi, University of Naples “Federico II”, Via Mezzocannone 4, I-80134 Napoli, Italy, Centro diStudio di Biocristallografia-CNR, Via Mezzocannone 4, I-80134 Napoli, Italy, and A. Menarini Pharmaceutical Industries, Via Sette Santi 3, 50131 Firenze, Italy
| | - Vincenzo Pavone
- Contribution from the Centro Interuniversitario di Ricerca su Peptidi Bioattivi, University of Naples “Federico II”, Via Mezzocannone 4, I-80134 Napoli, Italy, Centro diStudio di Biocristallografia-CNR, Via Mezzocannone 4, I-80134 Napoli, Italy, and A. Menarini Pharmaceutical Industries, Via Sette Santi 3, 50131 Firenze, Italy
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Lombardi A, D'Agostino B, Nastri F, D'Andrea LD, Filippelli A, Falciani M, Rossi F, Pavone V. A novel super-potent neurokinin A receptor antagonist containing dehydroalanine. Bioorg Med Chem Lett 1998; 8:1153-6. [PMID: 9871726 DOI: 10.1016/s0960-894x(98)00178-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We report here the synthesis and preliminary pharmacological characterization of a novel Neurokinin A receptor antagonist. This molecule contains a dehydroalanine residue. It displays a high conformational rigidity and possesses very high activity. Its pharmacological properties as a neurokinin A receptor antagonist were assessed in in vitro experiments on rat vas deferens and were compared to those of Neuronorm and MEN10627.
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Affiliation(s)
- A Lombardi
- Centro Interuniveristario di Ricerca su Peptidi Bioattivi, Università di Napoli Federico II, Italy
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Pavone V, Lombardi A, Maggi CA, Quartara L, Pedone C. Conformational rigidity versus flexibility in a novel peptidic neurokinin A receptor antagonist. J Pept Sci 1995; 1:236-40. [PMID: 9223001 DOI: 10.1002/psc.310010404] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Neurokinin A receptor antagonists have been proposed as a new class of drugs for several applications in humans (asthma, intestinal motility, etc.). The rational design, synthesis, structural characterization and biological activity evaluation of a new potent, highly selective, long-lasting, peptide-based receptor antagonist are reported. The structure-activity relationship indicates that the conformational rigidity determines potency, specificity and especially the long life of the molecule in the living body. MEN10627 is the prototype of a new class of cyclic, peptide-based, neurokinin A receptor antagonists and it is a suitable candidate for clinical testing in humans.
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Affiliation(s)
- V Pavone
- Department of Chemistry, University of Napoli, Italy
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Pavone V, Lombardi A, Nastri F, Saviano M, Maglio O, D'Auria G, Quartara L, Maggi CA, Pedone C. Design and structure of a novel Neurokinin A receptor antagonist cyclo(-Met1-Asp2-Trp3-Phe4-Dap5-Leu6-)cyclo(2β-5β). ACTA ACUST UNITED AC 1995. [DOI: 10.1039/p29950000987] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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