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Kukowska M. Amino acid or peptide conjugates of acridine/acridone and quinoline/quinolone-containing drugs. A critical examination of their clinical effectiveness within a twenty-year timeframe in antitumor chemotherapy and treatment of infectious diseases. Eur J Pharm Sci 2017; 109:587-615. [PMID: 28842352 DOI: 10.1016/j.ejps.2017.08.027] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 08/16/2017] [Accepted: 08/19/2017] [Indexed: 01/10/2023]
Abstract
Acridines/acridones, quinolines/quinolones (chromophores) and their derivatives constitute extremely important family of compounds in current medicine. Great significance of the compounds is connected with antimicrobial and antitumor activities. Combining these features together in one drug seems to be long-term benefit, especially in oncology therapy. The attractiveness of the chromophore drugs is still enhanced by elimination their toxicity and improvement not only selectivity, specificity but also bioavailability. The best results are reached by conjugation to natural peptides. This paper highlights significant advance in the study of amino acid or peptide chromophore conjugates that provide highly encouraging data for novel drug development. The structures and clinical significance of amino acid or peptide chromophore conjugates are widely discussed.
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Affiliation(s)
- Monika Kukowska
- Chair & Department of Chemical Technology of Drugs, Faculty of Pharmacy with Subfaculty of Laboratory Medicine, Medical University of Gdansk, Al. Gen. J. Hallera 107, 80-416 Gdansk, Poland.
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Affiliation(s)
- Gary Gellerman
- a Department of Biological Chemistry , Ariel University Center of Samaria , Ariel , Israel
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Comparative syntheses of peptides and peptide thioesters derived from mouse and human prion proteins. Amino Acids 2012; 43:1297-309. [PMID: 22212592 DOI: 10.1007/s00726-011-1203-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2011] [Accepted: 12/09/2011] [Indexed: 10/14/2022]
Abstract
Prions are suspected as causative agents of several neuropathogenic diseases, even though the mode of their action is still not clear. A combination of chemical and recombinant syntheses can provide suitable probes for explanation of prions role in pathogenesis of neurodegenerative diseases. However, the prions contain several difficult sequences for synthesis by Fmoc/tBu approach. For that reason, the peptide thioesters as the key building blocks for chemical syntheses of proteins by native chemical ligation were employed. A scan of the mouse prion domain 93-231 was carried out in order to discover availability of derived thioesters as the suitable building blocks for a total chemical synthesis of the prion protein based probes. The synthesis on 2-chlorotritylchloride resin was utilized and after a deprotection of the samples for analysis, the peptide segments were purified and characterized. If the problems were detected during the synthesis, the segment was re-synthesized either using the special pseudoproline dipeptides or by splitting its molecule to two or three smaller segments, which were prepared easier. The protected segments, prepared correctly without any deletion and in sufficient amounts, were coupled either with EtSH after DIC/DMAP activation or with p-Ac-NH-Ph-SH using PyBOP activation to yield corresponding thioesters. In some special cases, the other techniques of thioester formation, like sulfonamide-safety catch and/or trimethylaluminium approach were utilized.
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Buděšínský M, Šebestík J, Bednárová L, Baumruk V, Šafařík M, Bouř P. Conformational Properties of the Pro-Gly Motif in the d-Ala-l-Pro-Gly-d-Ala Model Peptide Explored by a Statistical Analysis of the NMR, Raman, and Raman Optical Activity Spectra. J Org Chem 2008; 73:1481-9. [DOI: 10.1021/jo702297y] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Miloš Buděšínský
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo nám. 2, 16610, Prague 6, Czech Republic, and Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 12116, Prague 2, Czech Republic
| | - Jaroslav Šebestík
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo nám. 2, 16610, Prague 6, Czech Republic, and Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 12116, Prague 2, Czech Republic
| | - Lucie Bednárová
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo nám. 2, 16610, Prague 6, Czech Republic, and Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 12116, Prague 2, Czech Republic
| | - Vladimír Baumruk
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo nám. 2, 16610, Prague 6, Czech Republic, and Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 12116, Prague 2, Czech Republic
| | - Martin Šafařík
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo nám. 2, 16610, Prague 6, Czech Republic, and Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 12116, Prague 2, Czech Republic
| | - Petr Bouř
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo nám. 2, 16610, Prague 6, Czech Republic, and Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 12116, Prague 2, Czech Republic
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Hlavácek J, Cerný B, Bennettová B, Holík J, Tykva R. Preparation of tritiated oostatic peptides for study of radioactivity incorporation in flesh fly Neobellieria bullata. Amino Acids 2006; 33:489-97. [PMID: 16998713 DOI: 10.1007/s00726-006-0406-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2006] [Accepted: 07/17/2006] [Indexed: 11/26/2022]
Abstract
A series of insect oostatic peptides containing 3,4-dehydroproline in the C-terminal part or inside of the peptide chain was synthesized and tritiated by addition of (3)H2 to double bond of 3,4-dehydroproline residue. (3)H-label was introduced also into tyrosine residue of oostatic tetra- and pentapeptides by isotopic exchange of benzyl beta-hydrogens. In this way, three types of tritiated peptides were prepared, different in the radiolabeled amino acid position: [(3)H] Tyr-Asp-Pro-Ala-OH, H-Tyr-Asp-[(3)H] Pro-Ala-OH, [(3)H] Tyr-Asp-Pro-Ala-Pro-OH, H-Tyr-Asp-[(3)H] Pro-Ala-Pro-OH, H-Tyr-Asp-Pro-Ala-[(3)H] Pro-OH, H-Tyr-Asp-Pro-Ala-Pro(5)-[(3)H] Pro-OH and H-Asp-[(3)H] Pro-OH. These peptides made possible a highly sensitive comparative study on radioactivity incorporation into head and ovaries of the flesh fly Neobellieria bullata, which revealed this process to proceed differently. The reasons of the found differences are discussed.
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Affiliation(s)
- J Hlavácek
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic
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Sebestík J, Hlavácek J, Stibor I. Rational design and synthesis of a double-stranded DNA–binder library. Biopolymers 2006; 84:400-7. [PMID: 16498625 DOI: 10.1002/bip.20487] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Described is a computer-assisted rational design of a DNA-bis-intercalator peptide library. The peptide library of 250 members was prepared and the most powerful binder identified. A value of the binding constant is almost two orders of magnitude higher than that of starting building block-9-aminoacridine. The binder affinity found toward calf thymus DNA is 30-fold of that of human prion peptide 106-126.
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Affiliation(s)
- Jaroslav Sebestík
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 166 10 Prague 6, Czech Republic
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Sebestík J, Safarík M, Stibor I, Hlavácek J. Acridin-9-yl exchange: A proposal for the action of some 9-aminoacridine drugs. Biopolymers 2006; 84:605-14. [PMID: 16933221 DOI: 10.1002/bip.20590] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The finding that several derivatives of 9-aminoacridine were deacridinylated in the presence of primary aliphatic amines during the solid phase synthesis of acridine-peptide conjugates prompted us to investigate the acridin-9-yl moiety transfer from a relatively low-molecular acridine source to a high-molecular carrier. The hydrophobic polymer was used as a model of hydrophobic core of biologically active proteins. While the alpha-amino group in the peptide was found to play the role of weak acridine acceptor, the epsilon-amino group of lysine appeared to serve as a moderate acceptor of acridine moiety. The covalent modification of the lysine residues side chain in the hydrophobic core of prion protein aggregates could thus explain the discrepancy between the ability of the acridine drug quinacrine to reduce efficiently the incidence of prion protein in cell culture and its weak prion binding affinity.
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Affiliation(s)
- Jaroslav Sebestík
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 166 10 Prague 6, Czech Republic
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Sondhi SM, Singh N, Lahoti AM, Bajaj K, Kumar A, Lozach O, Meijer L. Synthesis of acridinyl-thiazolino derivatives and their evaluation for anti-inflammatory, analgesic and kinase inhibition activities. Bioorg Med Chem 2005; 13:4291-9. [PMID: 15927836 DOI: 10.1016/j.bmc.2005.04.017] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2005] [Revised: 04/08/2005] [Accepted: 04/09/2005] [Indexed: 11/16/2022]
Abstract
Variety of N-(4-phenyl-3-(2',3',4'(un)substituted phenyl)thiazol-2(3H)-ylidene)-2,4(un)substituted acridin-9-amine (4a-o) and 1-[(2,4-(un)substituted acridin-9-yl)-3-(4-phenyl-3-(2',3',4'(un)substituted phenyl)thiazol-2(3H)-ylidene)]isothiourea (5a-h) derivatives have been synthesized by condensation of 4-phenyl-3-(2',3',4'(un)substituted phenyl)thiazol-2(3H)-imine (3a-g) with 9-chloro-2,4-(un)substituted acridine (1a-c) and 9-isothiocyanato-2,4-(un)substituted acridine (2a-d), respectively. All these compounds were characterized by correct 1H NMR, FT-IR, MS and elemental analyses. These compounds were screened for anti-inflammatory, analgesic and kinase (CDK1, CDK5 and GSK3) inhibition activities. Some compounds exhibited good anti-inflammatory (25-32%) and potent analgesic (50-75%) activities, at 50 mg/kg p.o. A compound, 4o (R1 = H, R2 = OCH3, R3 = CH3, R4 = CH3, R5 = H) exhibited moderate CDK1 (IC50 = 8.5 microM) inhibition activity.
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Affiliation(s)
- Sham M Sondhi
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247 667, India.
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