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Ban Ž, Karačić Z, Tomić S, Amini H, Marder TB, Piantanida I. Triarylborane Dyes as a Novel Non-Covalent and Non-Inhibitive Fluorimetric Markers for DPP III Enzyme. Molecules 2021; 26:molecules26164816. [PMID: 34443404 PMCID: PMC8398983 DOI: 10.3390/molecules26164816] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 07/23/2021] [Accepted: 07/29/2021] [Indexed: 01/10/2023] Open
Abstract
Novel dyes were prepared by simple "click CuAAC" attachment of a triarylborane-alkyne to the azide side chain of an amino acid yielding triarylborane dye 1 which was conjugated with pyrene (dye 2) forming a triarylborane-pyrene FRET pair. In contrast to previous cationic triarylboranes, the novel neutral dyes interact only with proteins, while their affinity to DNA/RNA is completely abolished. Both the reference triarylborane amino acid and triarylborane-pyrene conjugate bind to BSA and the hDPP III enzyme with high affinities, exhibiting a strong (up to 100-fold) fluorescence increase, whereby the triarylborane-pyrene conjugate additionally retained FRET upon binding to the protein. Furthermore, the triarylborane dyes, upon binding to the hDPP III enzyme, did not impair its enzymatic activity under a wide range of experimental conditions, thus being the first non-covalent fluorimetric markers for hDPP III, also applicable during enzymatic reactions with hDPP III substrates.
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Affiliation(s)
- Željka Ban
- Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, P.O. Box 180, HR-10002 Zagreb, Croatia; (Ž.B.); (Z.K.)
| | - Zrinka Karačić
- Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, P.O. Box 180, HR-10002 Zagreb, Croatia; (Ž.B.); (Z.K.)
| | - Sanja Tomić
- Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, P.O. Box 180, HR-10002 Zagreb, Croatia; (Ž.B.); (Z.K.)
- Correspondence: (S.T.); (I.P.); Tel.: +385-1-4571-251 (S.T.); +385-1-4571-326 (I.P.)
| | - Hashem Amini
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, 97074 Würzburg, Germany; (H.A.); (T.B.M.)
| | - Todd B. Marder
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, 97074 Würzburg, Germany; (H.A.); (T.B.M.)
| | - Ivo Piantanida
- Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, P.O. Box 180, HR-10002 Zagreb, Croatia; (Ž.B.); (Z.K.)
- Correspondence: (S.T.); (I.P.); Tel.: +385-1-4571-251 (S.T.); +385-1-4571-326 (I.P.)
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Agouram N, El Hadrami EM, Bentama A. 1,2,3-Triazoles as Biomimetics in Peptide Science. Molecules 2021; 26:2937. [PMID: 34069302 PMCID: PMC8156386 DOI: 10.3390/molecules26102937] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/05/2021] [Accepted: 05/05/2021] [Indexed: 01/10/2023] Open
Abstract
Natural peptides are an important class of chemical mediators, essential for most vital processes. What limits the potential of the use of peptides as drugs is their low bioavailability and enzymatic degradation in vivo. To overcome this limitation, the development of new molecules mimicking peptides is of great importance for the development of new biologically active molecules. Therefore, replacing the amide bond in a peptide with a heterocyclic bioisostere, such as the 1,2,3-triazole ring, can be considered an effective solution for the synthesis of biologically relevant peptidomimetics. These 1,2,3-triazoles may have an interesting biological activity, because they behave as rigid link units, which can mimic the electronic properties of amide bonds and show bioisosteric effects. Additionally, triazole can be used as a linker moiety to link peptides to other functional groups.
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Affiliation(s)
- Naima Agouram
- Laboratory of Applied Organic Chemistry, Faculty of Science and Technology, Sidi Mohammed Ben Abdellah University, Immouzer Road, Fez 30050, Morocco; (E.M.E.H.); (A.B.)
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Priebbenow DL, Barbaro L, Baell JB. New synthetic approaches towards analogues of bedaquiline. Org Biomol Chem 2018; 14:9622-9628. [PMID: 27714257 DOI: 10.1039/c6ob01893a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Multi-drug resistant tuberculosis (MDR-TB) is of growing global concern and threatens to undermine increasing efforts to control the worldwide spread of tuberculosis (TB). Bedaquiline has recently emerged as a new drug developed to specifically treat MDR-TB. Despite being highly effective as a result of its unique mode of action, bedaquiline has been associated with significant toxicities and as such, safety concerns are limiting its clinical use. In order to access pharmaceutical agents that exhibit an improved safety profile for the treatment of MDR-TB, new synthetic pathways to facilitate the preparation of bedaquiline and analogues thereof have been discovered.
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Affiliation(s)
- Daniel L Priebbenow
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia.
| | - Lisa Barbaro
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia.
| | - Jonathan B Baell
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia.
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Raynal L, Allardyce BJ, Wang X, Dilley RJ, Rajkhowa R, Henderson LC. Facile and versatile solid state surface modification of silk fibroin membranes using click chemistry. J Mater Chem B 2018; 6:8037-8042. [PMID: 32254922 DOI: 10.1039/c8tb02508h] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reported is a fast and versatile protocol to surface modify pre-cast silk membranes targeting tyrosine residues.
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Affiliation(s)
- Laetitia Raynal
- Deakin University
- Institute for Frontier Materials
- Waurn Ponds Campus
- Geelong
- Australia
| | | | - Xungai Wang
- Deakin University
- Institute for Frontier Materials
- Waurn Ponds Campus
- Geelong
- Australia
| | | | - Rangam Rajkhowa
- Deakin University
- Institute for Frontier Materials
- Waurn Ponds Campus
- Geelong
- Australia
| | - Luke C. Henderson
- Deakin University
- Institute for Frontier Materials
- Waurn Ponds Campus
- Geelong
- Australia
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Ay K, Ispartaloğlu B, Halay E, Ay E, Yaşa İ, Karayıldırım T. Synthesis and antimicrobial evaluation of sulfanilamide- and carbohydrate-derived 1,4-disubstitued-1,2,3-triazoles via click chemistry. Med Chem Res 2017. [DOI: 10.1007/s00044-017-1864-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Hockey SC, Barbante GJ, Francis PS, Altimari JM, Yoganantharajah P, Gibert Y, Henderson LC. A comparison of novel organoiridium(III) complexes and their ligands as a potential treatment for prostate cancer. Eur J Med Chem 2016; 109:305-13. [DOI: 10.1016/j.ejmech.2015.12.035] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Revised: 12/18/2015] [Accepted: 12/19/2015] [Indexed: 01/01/2023]
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Altimari JM, Hockey SC, Boshoff HI, Sajid A, Henderson LC. Novel 1,4-substituted-1,2,3-triazoles as antitubercular agents. ChemMedChem 2015; 10:787-91. [PMID: 25788466 PMCID: PMC11044985 DOI: 10.1002/cmdc.201500051] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Indexed: 01/13/2023]
Abstract
Tuberculosis (TB) remains a pressing unmet medical need, particularly with the emergence of multidrug-resistant and extensively drug-resistant tuberculosis. Here, a series of 1,4-substituted-1,2,3-triazoles have been synthesized and evaluated as potential antitubercular agents. These compounds were assembled via click chemistry in high crude purity and in moderate to high yield. Of the compounds tested, 12 compounds showed promising antitubercular activity with six possessing minimum inhibitory concentration (MIC) values <10 μg mL(-1) , and total selectivity for Mycobacterium tuberculosis (Mtb) growth inhibition. A second set of 21 compounds bearing variations on ring C were synthesized and evaluated. This second library gave an additional six compounds displaying MIC values ≤10 μg mL(-1) and total selectivity for Mtb growth inhibition. These compounds serve as an excellent starting point for further development of antitubercular therapies.
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Affiliation(s)
- Jarrad M Altimari
- Institute for Frontier Materials, and the Strategic Research Centre for Chemistry & Biotechnology, Deakin University, Waurn Ponds Campus, Geelong, Victoria, 3216 (Australia)
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Ma N, Wang Y, Zhao BX, Ye WC, Jiang S. The application of click chemistry in the synthesis of agents with anticancer activity. DRUG DESIGN DEVELOPMENT AND THERAPY 2015; 9:1585-99. [PMID: 25792812 PMCID: PMC4362898 DOI: 10.2147/dddt.s56038] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The copper(I)-catalyzed 1,3-dipolar cycloaddition between alkynes and azides (click chemistry) to form 1,2,3-triazoles is the most popular reaction due to its reliability, specificity, and biocompatibility. This reaction has the potential to shorten procedures, and render more efficient lead identification and optimization procedures in medicinal chemistry, which is a powerful modular synthetic approach toward the assembly of new molecular entities and has been applied in anticancer drugs discovery increasingly. The present review focuses mainly on the applications of this reaction in the field of synthesis of agents with anticancer activity, which are divided into four groups: topoisomerase II inhibitors, histone deacetylase inhibitors, protein tyrosine kinase inhibitors, and antimicrotubule agents.
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Affiliation(s)
- Nan Ma
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, People's Republic of China ; Laboratory of Medicinal Chemistry, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, People's Republic of China ; Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, People's Republic of China
| | - Ying Wang
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, People's Republic of China
| | - Bing-Xin Zhao
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, People's Republic of China
| | - Wen-Cai Ye
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, People's Republic of China ; Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, People's Republic of China
| | - Sheng Jiang
- Laboratory of Medicinal Chemistry, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, People's Republic of China
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