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González-Matos M, Aguado ME, Izquierdo M, Monzote L, González-Bacerio J. Compounds with potentialities as novel chemotherapeutic agents in leishmaniasis at preclinical level. Exp Parasitol 2024; 260:108747. [PMID: 38518969 DOI: 10.1016/j.exppara.2024.108747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/27/2024] [Accepted: 03/19/2024] [Indexed: 03/24/2024]
Abstract
Leishmaniasis are neglected infectious diseases caused by kinetoplastid protozoan parasites from the genus Leishmania. These sicknesses are present mainly in tropical regions and almost 1 million new cases are reported each year. The absence of vaccines, as well as the high cost, toxicity or resistance to the current drugs determines the necessity of new treatments against these pathologies. In this review, several compounds with potentialities as new antileishmanial drugs are presented. The discussion is restricted to the preclinical level and molecules are organized according to their chemical nature, source and molecular targets. In this manner, we present antimicrobial peptides, flavonoids, withanolides, 8-aminoquinolines, compounds from Leish-Box, pyrazolopyrimidines, and inhibitors of tubulin polymerization/depolymerization, topoisomerase IB, proteases, pteridine reductase, N-myristoyltransferase, as well as enzymes involved in polyamine metabolism, response against oxidative stress, signaling pathways, and sterol biosynthesis. This work is a contribution to the general knowledge of these compounds as antileishmanial agents.
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Affiliation(s)
- Maikel González-Matos
- Center for Protein Studies, Faculty of Biology, University of Havana, Calle 25 #455 Entre I y J, Vedado, La Habana, Cuba
| | - Mirtha Elisa Aguado
- Center for Protein Studies, Faculty of Biology, University of Havana, Calle 25 #455 Entre I y J, Vedado, La Habana, Cuba
| | - Maikel Izquierdo
- Center for Protein Studies, Faculty of Biology, University of Havana, Calle 25 #455 Entre I y J, Vedado, La Habana, Cuba
| | - Lianet Monzote
- Department of Parasitology, Center for Research, Diagnosis and Reference, Tropical Medicine Institute "Pedro Kourí", Autopista Novia Del Mediodía Km 6½, La Lisa, La Habana, Cuba.
| | - Jorge González-Bacerio
- Center for Protein Studies, Faculty of Biology, University of Havana, Calle 25 #455 Entre I y J, Vedado, La Habana, Cuba; Department of Biochemistry, Faculty of Biology, University of Havana, Calle 25 #455 Entre I y J, Vedado, La Habana, Cuba.
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2
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Gong L, Passari AK, Yin C, Kumar Thakur V, Newbold J, Clark W, Jiang Y, Kumar S, Gupta VK. Sustainable utilization of fruit and vegetable waste bioresources for bioplastics production. Crit Rev Biotechnol 2024; 44:236-254. [PMID: 36642423 DOI: 10.1080/07388551.2022.2157241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 11/05/2022] [Accepted: 11/11/2022] [Indexed: 01/17/2023]
Abstract
Nowadays, rapidly increasing production, use and disposable of plastic products has become one of the utmost environmental issues. Our current circumstances in which the food supply chain is demonstrated as containing plastic particles and other plastic-based impurities, represents a significant health risk to humans, animals, and environmental alike. According to this point of view, biodegradable plastic material aims to produce a more sustainable and greener world with a lower ecological impact. Bioplastics are being investigated as an environmentally friendly candidate to address this problem and hence global bioplastic production has seen significant growth and expansion in recent years. This article focuses on a few critical issues that must be addressed for bioplastic production to become commercially viable. Although the reduction of fruit and vegetable waste biomass has an apparent value in terms of environmental benefits and sustainability, commercial success at industrial scale has remained flat. This is due to various factors, including biomass feedstocks, pretreatment technologies, enzymatic hydrolysis, and scale-up issues in the industry, all of which contribute to high capital and operating costs. This review paper summarizes the global overview of bioplastics derived from fruit and vegetable waste biomass. Furthermore, economic and technical challenges associated with industrialization and diverse applications of bioplastics in biomedical, agricultural, and food-packaging fields due to their excellent biocompatibility properties are reviewed.HighlightsReview of the diverse types and characteristics of sustainability of biobased plasticsImproved pretreatment technologies can develop to enhance greater yieldEnzyme hydrolysis process used for bioplastic extraction & hasten industrial scale-upFocus on technical challenges facing commercialized the bioplasticsDetailed discussion on the application for sustainability of biodegradable plastics.
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Affiliation(s)
- Liang Gong
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, China
| | - Ajit Kumar Passari
- Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Edinburgh, UK
| | - Chunxiao Yin
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, China
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Edinburgh, UK
- School of Engineering, University of Petroleum & Energy Studies (UPES), Uttarakhand, India
| | - John Newbold
- Dairy Research Centre, SRUC, Dumfries, United Kingdom
| | | | - Yueming Jiang
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, China
| | - Shanmugam Kumar
- James Watt School of Engineering, University of Glasgow, Glasgow, UK
| | - Vijai Kumar Gupta
- Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Edinburgh, UK
- Centre for Safe and Improved Foods, Scotland's Rural College (SRUC), Edinburgh, UK
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3
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Dimethylmyricacene: An In Vitro and In Silico Study of a Semisynthetic Non-Camptothecin Derivative Compound, Targeting Human DNA Topoisomerase 1B. Cells 2022; 11:cells11213486. [DOI: 10.3390/cells11213486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022] Open
Abstract
Human topoisomerase 1B regulates the topological state of supercoiled DNA enabling all fundamental cell processes. This enzyme, which is the unique molecular target of the natural anticancer compound camptothecin, acts by nicking one DNA strand and forming a transient protein–DNA covalent complex. The interaction of human topoisomerase 1B and dimethylmyricacene, a compound prepared semisynthetically from myricanol extracted from Myrica cerifera root bark, was investigated using enzymatic activity assays and molecular docking procedures. Dimethylmyricacene was shown to inhibit both the cleavage and the religation steps of the enzymatic reaction, and cell viability of A-253, FaDu, MCF-7, HeLa and HCT-116 tumor cell lines.
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4
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Ferreira AC, Bomfim MRQ, da Costa Sobrinho CHDB, Boaz DTL, Da Silva Lira R, Fontes VC, Arruda MO, Zago PMW, Filho CAAD, Dias CJM, da Rocha Borges MO, Ribeiro RM, Bezerra CWB, Penha RS. Characterization, antimicrobial and cytotoxic activity of polymer blends based on chitosan and fish collagen. AMB Express 2022; 12:102. [PMID: 35925495 PMCID: PMC9352841 DOI: 10.1186/s13568-022-01433-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/05/2022] [Indexed: 11/10/2022] Open
Abstract
This study aims to produce, characterize, and assess the antimicrobial activity and cytotoxicity of polymer blends based on chitosan (CT) and fish collagen (COL) produced by different precipitation methods. Polymer blends were obtained in alkaline (NaOH), saline (NaCl), and alkaline/saline (NaOH/NaCl) solutions with different CT:COL concentration ratios (20:80, 50:50, and 80:20). The polymer blends were characterized by various physicochemical methods and subsequently evaluated in terms of their in vitro antimicrobial and cytotoxicity activity. In this study, the degree of chitosan deacetylation was 82%. The total hydroxyproline and collagen content in the fish matrix was 47.56 mg. g−1 and 394.75 mg. g−1, respectively. The highest yield was 44% and was obtained for a CT:COL (80:20) blend prepared by precipitation in NaOH. High concentrations of hydroxyproline and collagen in the blends were observed when NaOH precipitation was used. Microbiological analysis revealed that the strains used in this work were sensitive to the biomaterial; this sensitivity was dose-dependent and increased with increasing chitosan concentration in the products. The biocompatibility test showed that the blends did not reduce the viability of fibroblast cells after 48 h of culture. An analysis of the microbiological activity of the all-polymer blends showed a decrease in the values of minimal inhibitory concentration (MIC) and minimal bactericidal concentrations (MBC) for S. aureus and P. aeruginosa. The blends showed biocompatibility with NIH-3T3 murine fibroblast cells and demonstrated their potential for use in biomedical applications such as wound healing, implants, and scaffolds. Different precipitation methods do not change the biological properties of polymer blends. Gram-positive bacterias and Pseudomonas aeruginosa were sensitive to polymer blends. The blends produced showed biocompatibility in NIH-3T3 murine fibroblast cells.
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Affiliation(s)
- Andressa Coelho Ferreira
- Programa de Doutorado em Biotecnologia (RENORBIO), Universidade Federal do Maranhão (UFMA), São Luís, Brazil
| | - Maria Rosa Quaresma Bomfim
- Programa de Doutorado em Biotecnologia (RENORBIO), Universidade Federal do Maranhão (UFMA), São Luís, Brazil
| | | | | | | | | | | | | | | | | | | | | | | | - Rosiane Silva Penha
- Instituto Federal de Educação, Ciência e Tecnologia do Maranhão (IFMA), S/N, Residencial Val paraíso, Sapucaia, Rosario, 65143-000, Brazil.
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Ottaviani A, Welsch J, Agama K, Pommier Y, Desideri A, Baker BJ, Fiorani P. From Antarctica to cancer research: a novel human DNA topoisomerase 1B inhibitor from Antarctic sponge Dendrilla antarctica. J Enzyme Inhib Med Chem 2022; 37:1404-1410. [PMID: 35603503 PMCID: PMC9132426 DOI: 10.1080/14756366.2022.2078320] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Nature has been always a great source of possible lead compounds to develop new drugs against several diseases. Here we report the identification of a natural compound, membranoid G, derived from the Antarctic sponge Dendrilla antarctica displaying an in vitro inhibitory activity against human DNA topoisomerase 1B. The experiments indicate that membranoid G, when pre-incubated with the enzyme, strongly and irreversibly inhibits the relaxation of supercoiled DNA. This compound completely inhibits the cleavage step of the enzyme catalytic mechanism by preventing protein binding to the DNA. Membranoid G displays also a cytotoxic effect on tumour cell lines, suggesting its use as a possible lead compound to develop new anticancer drugs.
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Affiliation(s)
| | - Joshua Welsch
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - Keli Agama
- Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Yves Pommier
- Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | | | - Bill J. Baker
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - Paola Fiorani
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
- Institute of Translational Pharmacology, National Research Council, CNR, Rome, Italy
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6
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Carbon Nanotubes-Based Hydrogels for Bacterial Eradiation and Wound-Healing Applications. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11209550] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Biocompatible nanomaterials have attracted enormous interest for biomedical applications. Carbonaceous materials, including carbon nanotubes (CNTs), have been widely explored in wound healing and other applications because of their superior physicochemical and potential biomedical properties to the nanoscale level. CNTs-based hydrogels are widely used for wound-healing and antibacterial applications. CNTs-based materials exhibited improved antimicrobial, antibacterial, adhesive, antioxidants, and mechanical properties, which are beneficial for the wound-healing process. This review concisely discussed the preparation of CNTs-based hydrogels and their antibacterial and wound-healing applications. The conductive potential of CNTs and their derivatives is discussed. It has been observed that the conductivity of CNTs is profoundly affected by their structure, temperature, and functionalization. CNTs properties can be easily modified by surface functionalization. CNTs-based composite hydrogels demonstrated superior antibacterial potential to corresponding pure polymer hydrogels. The accelerated wound healing was observed with CNTs-based hydrogels.
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Wickhorst PJ, Blachnik M, Lagumdzija D, Ihmels H. Synthesis of 10- O-aryl-substituted berberine derivatives by Chan-Evans-Lam coupling and investigation of their DNA-binding properties. Beilstein J Org Chem 2021; 17:991-1000. [PMID: 34025807 PMCID: PMC8111429 DOI: 10.3762/bjoc.17.81] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/22/2021] [Indexed: 12/16/2022] Open
Abstract
Eleven novel 10-O-aryl-substituted berberrubine and berberine derivatives were synthesized by the Cu2+-catalyzed Chan-Evans-Lam coupling of berberrubine with arylboronic acids and subsequent 9-O-methylation. The reaction is likely introduced by the Cu2+-induced demethylation of berberrubine and subsequent arylation of the resulting 10-oxyanion functionality. Thus, this synthetic route represents the first successful Cu-mediated coupling reaction of berberine substrates. The DNA-binding properties of the 10-O-arylberberine derivatives with duplex and quadruplex DNA were studied by thermal DNA denaturation experiments, spectrometric titrations as well as CD and LD spectroscopy. Fluorimetric DNA melting analysis with different types of quadruplex DNA revealed a moderate stabilization of the telomeric quadruplex-forming oligonucleotide sequence G3(TTAG3)3. The derivatives showed a moderate affinity towards quadruplex DNA (K b = 5-9 × 105 M-1) and ct DNA (K b = 3-5 × 104 M-1) and exhibited a fluorescence light-up effect upon complexation to both DNA forms, with slightly higher intensity in the presence of the quadruplex DNA. Furthermore, the CD- and LD-spectroscopic studies revealed that the title compounds intercalate into ct DNA and bind to G4-DNA by terminal stacking.
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Affiliation(s)
- Peter Jonas Wickhorst
- Department of Chemistry – Biology, University of Siegen, and Center of Micro- and Nanochemistry and Engineering (Cµ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Mathilda Blachnik
- Department of Chemistry – Biology, University of Siegen, and Center of Micro- and Nanochemistry and Engineering (Cµ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Denisa Lagumdzija
- Department of Chemistry – Biology, University of Siegen, and Center of Micro- and Nanochemistry and Engineering (Cµ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry – Biology, University of Siegen, and Center of Micro- and Nanochemistry and Engineering (Cµ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
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8
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Ottaviani A, Iacovelli F, Fiorani P, Desideri A. Natural Compounds as Therapeutic Agents: The Case of Human Topoisomerase IB. Int J Mol Sci 2021; 22:4138. [PMID: 33923641 PMCID: PMC8073192 DOI: 10.3390/ijms22084138] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/12/2021] [Accepted: 04/13/2021] [Indexed: 11/25/2022] Open
Abstract
Natural products are widely used as source for drugs development. An interesting example is represented by natural drugs developed against human topoisomerase IB, a ubiquitous enzyme involved in many cellular processes where several topological problems occur due the formation of supercoiled DNA. Human topoisomerase IB, involved in the solution of such problems relaxing the DNA cleaving and religating a single DNA strand, represents an important target in anticancer therapy. Several natural compounds inhibiting or poisoning this enzyme are under investigation as possible new drugs. This review summarizes the natural products that target human topoisomerase IB that may be used as the lead compounds to develop new anticancer drugs. Moreover, the natural compounds and their derivatives that are in clinical trial are also commented on.
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Affiliation(s)
- Alessio Ottaviani
- Department of Biology, University of Rome Tor Vergata, Via Della Ricerca Scientifica, 00133 Rome, Italy; (F.I.); (P.F.); (A.D.)
| | - Federico Iacovelli
- Department of Biology, University of Rome Tor Vergata, Via Della Ricerca Scientifica, 00133 Rome, Italy; (F.I.); (P.F.); (A.D.)
| | - Paola Fiorani
- Department of Biology, University of Rome Tor Vergata, Via Della Ricerca Scientifica, 00133 Rome, Italy; (F.I.); (P.F.); (A.D.)
- Institute of Translational Pharmacology, National Research Council, CNR, Via Del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - Alessandro Desideri
- Department of Biology, University of Rome Tor Vergata, Via Della Ricerca Scientifica, 00133 Rome, Italy; (F.I.); (P.F.); (A.D.)
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Wang X, Liu Y, Xu W, Jia L, Chi D, Yu J, Wang J, He Z, Liu X, Wang Y. Irinotecan and berberine co-delivery liposomes showed improved efficacy and reduced intestinal toxicity compared with Onivyde for pancreatic cancer. Drug Deliv Transl Res 2021; 11:2186-2197. [PMID: 33452654 DOI: 10.1007/s13346-020-00884-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2020] [Indexed: 02/06/2023]
Abstract
Onivyde is the first irinotecan (IRI) nanoliposome that could improve pharmacokinetics and tumor biodistribution of irinotecan. Although FDA approves Onivyde for the treatment of pancreatic cancer patients who are not effective for GEM, the gastrointestinal toxicity caused by Onivyde is still a problem to be solved in clinical application. Berberine (BER), an isoquinolone alkaloid extracted from several different plants, has been reported to exhibit beneficial effect in alleviating intestinal mucositis and generating synergistic anticancer effect in combination with cytotoxic drugs. However, its therapeutic effect is affected by the different pharmacokinetic behavior of two drugs. Therefore, we utilized triethylamine-sucrose octasulfate gradient to construct nanoliposomes for co-delivery of irinotecan and berberine, termed as lipBI. This co-delivery nanoliposomes remained the synergistic ratio in the body and improved tumor distribution of IRI and BER. The lipBI significantly inhibited tumor growth in the BXPC-3 pancreatic cancer model compared with Onivyde (p < 0.05) and reduced the gastrointestinal toxicity in mice caused by IRI. Overall, IRI/BER co-loaded liposomes possessed great potential in the treatment of pancreatic cancer.
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Affiliation(s)
- Xue Wang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, P. R. China
| | - Ying Liu
- National Institute for Food and Drug Control, Beijing, 102629, China
| | - Wanjia Xu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, P. R. China
| | - Lirui Jia
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, P. R. China
| | - Dongxu Chi
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, P. R. China
| | - Jiang Yu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, P. R. China
| | - Jiamei Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, P. R. China
| | - Zhonggui He
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, P. R. China
| | - Xiaohong Liu
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, P. R. China.
| | - Yongjun Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, P. R. China.
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10
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Becher J, Berdnikova DV, Ihmels H, Stremmel C. Synthesis and investigation of quadruplex-DNA-binding, 9- O-substituted berberine derivatives. Beilstein J Org Chem 2020; 16:2795-2806. [PMID: 33281983 PMCID: PMC7684686 DOI: 10.3762/bjoc.16.230] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 11/02/2020] [Indexed: 12/20/2022] Open
Abstract
A small series of five novel berberine derivatives was synthesized by the Cu-catalyzed click reaction of 9-propargyladenine with 9-O-(azidoalkyl)berberine derivatives. The association of the resulting berberine-adenine conjugates with representative quadruplex-forming oligonucleotides 22AG dA(G3TTA)3G3 and a2 d(ACAG4TGTG4)2 was examined with photometric and fluorimetric titrations, thermal DNA denaturation analysis, and CD spectroscopy. The results from the spectrometric titrations indicated the formation of 2:1 or 1:1 complexes (ligand:G4-DNA) with log K b values of 10-11 (2:1) and 5-6 (1:1), which are typical for berberine derivatives. Notably, a clear relationship between the binding affinity of the ligands with the length of the alkyl linker chain, n, was not observed. However, depending on the structure, the ligands exhibited different effects when bound to the G4-DNA, such as fluorescent light-up effects and formation of ICD bands, which are mostly pronounced with a linker length of n = 4 (with a2) and n = 5 (with 22AG), thus indicating that each ligand-G4-DNA complex has a specific structure with respect to relative alignment and conformational flexibility of the ligand in the binding site. It was shown exemplarily with one representative ligand from the series that such berberine-adenine conjugates exhibit a selective binding, specifically a selectivity to quadruplex DNA in competition with duplex DNA, and a preferential thermal stabilization of the G4-DNA forms 22AG and KRAS. Notably, the experimental data do not provide evidence for a significant effect of the adenine unit on the binding affinity of the ligands, for example, by additional association with the loops, presumably because the adenine residue is sterically shielded by the neighboring triazole unit.
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Affiliation(s)
- Jonas Becher
- Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering (Cμ); Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Daria V Berdnikova
- Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering (Cμ); Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering (Cμ); Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Christopher Stremmel
- Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering (Cμ); Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
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11
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Olleik H, Yacoub T, Hoffer L, Gnansounou SM, Benhaiem-Henry K, Nicoletti C, Mekhalfi M, Pique V, Perrier J, Hijazi A, Baydoun E, Raymond J, Piccerelle P, Maresca M, Robin M. Synthesis and Evaluation of the Antibacterial Activities of 13-Substituted Berberine Derivatives. Antibiotics (Basel) 2020; 9:antibiotics9070381. [PMID: 32640578 PMCID: PMC7400437 DOI: 10.3390/antibiotics9070381] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 06/25/2020] [Accepted: 07/01/2020] [Indexed: 12/18/2022] Open
Abstract
The biological activities of berberine, a natural plant molecule, are known to be affected by structural modifications, mostly at position 9 and/or 13. A series of new 13-substituted berberine derivatives were synthesized and evaluated in term of antimicrobial activity using various microorganisms associated to human diseases. Contrarily to the original molecule berberine, several derivatives were found strongly active in microbial sensitivity tests against Mycobacterium, Candida albicans and Gram-positive bacteria, including naïve or resistant Bacillus cereus, Staphylococcus aureus and Streptococcus pyogenes with minimal inhibitory concentration (MIC) of 3.12 to 6.25 µM. Among the various Gram-negative strains tested, berberine's derivatives were only found active on Helicobacter pylori and Vibrio alginolyticus (MIC values of 1.5-3.12 µM). Cytotoxicity assays performed on human cells showed that the antimicrobial berberine derivatives caused low toxicity resulting in good therapeutic index values. In addition, a mechanistic approach demonstrated that, contrarily to already known berberine derivatives causing either membrane permeabilization, DNA fragmentation or interacting with FtsZ protein, active derivatives described in this study act through inhibition of the synthesis of peptidoglycan or RNA. Overall, this study shows that these new berberine derivatives can be considered as potent and safe anti-bacterial agents active on human pathogenic microorganisms, including ones resistant to conventional antibiotics.
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Affiliation(s)
- Hamza Olleik
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France; (H.O.); (C.N.); (M.M.); (J.P.)
- Department of Biology, American University of Beirut, Beirut 1107-2020, Lebanon;
| | - Taher Yacoub
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, 13397 Marseille, France; (T.Y.); (L.H.)
| | - Laurent Hoffer
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, 13397 Marseille, France; (T.Y.); (L.H.)
| | - Senankpon Martial Gnansounou
- Aix Marseille Univ, Avignon Université, CNRS, IRD, IMBE, 13397 Marseille, France; (S.M.G.); (K.B.-H.); (V.P.); (P.P.)
- Laboratoire d’études et de Recherches en Chimie Appliquée (LERCA), Université d’Abomey-Calavi (UAC), Cotonou 01 BP 2009, Benin
| | - Kehna Benhaiem-Henry
- Aix Marseille Univ, Avignon Université, CNRS, IRD, IMBE, 13397 Marseille, France; (S.M.G.); (K.B.-H.); (V.P.); (P.P.)
| | - Cendrine Nicoletti
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France; (H.O.); (C.N.); (M.M.); (J.P.)
| | - Malika Mekhalfi
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France; (H.O.); (C.N.); (M.M.); (J.P.)
| | - Valérie Pique
- Aix Marseille Univ, Avignon Université, CNRS, IRD, IMBE, 13397 Marseille, France; (S.M.G.); (K.B.-H.); (V.P.); (P.P.)
| | - Josette Perrier
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France; (H.O.); (C.N.); (M.M.); (J.P.)
| | - Akram Hijazi
- Doctoral School of Science and Technology, Research Platform for Environmental Science (PRASE), Lebanese University, Beirut 5, Lebanon;
| | - Elias Baydoun
- Department of Biology, American University of Beirut, Beirut 1107-2020, Lebanon;
| | - Josette Raymond
- Hôpital Cochin, Service de Bactériologie, Université Paris 5, 75014 Paris, France;
| | - Philippe Piccerelle
- Aix Marseille Univ, Avignon Université, CNRS, IRD, IMBE, 13397 Marseille, France; (S.M.G.); (K.B.-H.); (V.P.); (P.P.)
| | - Marc Maresca
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France; (H.O.); (C.N.); (M.M.); (J.P.)
- Correspondence: (M.M.); (M.R.)
| | - Maxime Robin
- Aix Marseille Univ, Avignon Université, CNRS, IRD, IMBE, 13397 Marseille, France; (S.M.G.); (K.B.-H.); (V.P.); (P.P.)
- Correspondence: (M.M.); (M.R.)
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12
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Habtemariam S. Recent Advances in Berberine Inspired Anticancer Approaches: From Drug Combination to Novel Formulation Technology and Derivatization. Molecules 2020; 25:molecules25061426. [PMID: 32245062 PMCID: PMC7144379 DOI: 10.3390/molecules25061426] [Citation(s) in RCA: 29] [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: 02/18/2020] [Revised: 03/01/2020] [Accepted: 03/19/2020] [Indexed: 12/13/2022] Open
Abstract
Berberine is multifunctional natural product with potential to treat diverse pathological conditions. Its broad-spectrum anticancer effect through direct effect on cancer cell growth and metastasis have been established both in vitro and in vivo. The cellular targets that account to the anticancer effect of berberine are incredibly large and range from kinases (protein kinase B (Akt), mitogen activated protein kinases (MAPKs), cell cycle checkpoint kinases, etc.) and transcription factors to genes and protein regulators of cell survival, motility and death. The direct effect of berberine in cancer cells is however relatively weak and occur at moderate concentration range (10–100 µM) in most cancer cells. The poor pharmacokinetics profile resulting from poor absorption, efflux by permeability-glycoprotein (P-gc) and extensive metabolism in intestinal and hepatic cells are other dimensions of berberine’s limitation as anticancer agent. This communication addresses the research efforts during the last two decades that were devoted to enhancing the anticancer potential of berberine. Strategies highlighted include using berberine in combination with other chemotherapeutic agents either to reduce toxic side effects or enhance their anticancer effects; the various novel formulation approaches which by order of magnitude improved the pharmacokinetics of berberine; and semisynthetic approaches that enhanced potency by up to 100-fold.
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Affiliation(s)
- Solomon Habtemariam
- Pharmacognosy Research Laboratories & Herbal Analysis Services UK, University of Greenwich, Chatham-Maritime, ME4 4TB Kent, UK
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13
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Liang X, Wu Q, Luan S, Yin Z, He C, Yin L, Zou Y, Yuan Z, Li L, Song X, He M, Lv C, Zhang W. A comprehensive review of topoisomerase inhibitors as anticancer agents in the past decade. Eur J Med Chem 2019; 171:129-168. [PMID: 30917303 DOI: 10.1016/j.ejmech.2019.03.034] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/14/2019] [Accepted: 03/14/2019] [Indexed: 01/28/2023]
Abstract
The topoisomerase enzymes play an important role in DNA metabolism, and searching for enzyme inhibitors is an important target in the search for new anticancer drugs. Discovery of new anticancer chemotherapeutical capable of inhibiting topoisomerase enzymes is highlighted in anticancer research. Therefore, biologists, organic chemists and medicinal chemists all around the world have been identifying, designing, synthesizing and evaluating a variety of novel bioactive molecules targeting topoisomerase. This review summarizes types of topoisomerase inhibitors in the past decade, and divides them into nine classes by structural characteristics, including N-heterocycles compounds, quinone derivatives, flavonoids derivatives, coumarin derivatives, lignan derivatives, polyphenol derivatives, diterpenes derivatives, fatty acids derivatives, and metal complexes. Then we discussed the application prospect and development of these anticancer compounds, as well as concluded parts of their structural-activity relationships. We believe this review would be invaluable in helping to further search potential topoisomerase inhibition as antitumor agent in clinical usage.
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Affiliation(s)
- Xiaoxia Liang
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China.
| | - Qiang Wu
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Shangxian Luan
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Zhongqiong Yin
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Changliang He
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Lizi Yin
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Yuanfeng Zou
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Zhixiang Yuan
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Lixia Li
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Xu Song
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Min He
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Cheng Lv
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Wei Zhang
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
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14
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Dario BS, Fernandes Neto F, Portes MC, Boni Fazzi R, Rodrigues da Silva D, Peterson EJ, Farrell NP, Castelli S, Desideri A, Petersen PAD, Petrilli HM, Da Costa Ferreira AM. DNA binding, cytotoxic effects and probable targets of an oxindolimine–vanadyl complex as an antitumor agent. NEW J CHEM 2019. [DOI: 10.1039/c9nj02480h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The vanadyl–oxindolimine complex as an antitumor agent.
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Affiliation(s)
- Bruno Soares Dario
- Instituto de Química
- Universidade de São Paulo
- Av. Prof. Lineu Prestes
- 748 – São Paulo 05508-000
- Brazil
| | - Francisco Fernandes Neto
- Instituto de Química
- Universidade de São Paulo
- Av. Prof. Lineu Prestes
- 748 – São Paulo 05508-000
- Brazil
| | - Marcelo Cecconi Portes
- Instituto de Química
- Universidade de São Paulo
- Av. Prof. Lineu Prestes
- 748 – São Paulo 05508-000
- Brazil
| | - Rodrigo Boni Fazzi
- Instituto de Química
- Universidade de São Paulo
- Av. Prof. Lineu Prestes
- 748 – São Paulo 05508-000
- Brazil
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15
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da Silva MM, de Camargo MS, Correa RS, Castelli S, De Grandis RA, Takarada JE, Varanda EA, Castellano EE, Deflon VM, Cominetti MR, Desideri A, Batista AA. Non-mutagenic Ru(ii) complexes: cytotoxicity, topoisomerase IB inhibition, DNA and HSA binding. Dalton Trans 2019; 48:14885-14897. [DOI: 10.1039/c9dt01905g] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Herein we discuss five ruthenium(ii) complexes with good cytotoxicity against cancer cells.
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Affiliation(s)
| | | | - Rodrigo S. Correa
- Departamento de Química
- Universidade Federal de Ouro Preto
- Ouro Preto
- Brazil
| | - Silvia Castelli
- Dipartimentodi Biologia
- UniversitàTorVergatadi Roma
- 00133 Rome
- Italy
| | - Rone A. De Grandis
- Departamento de Ciências Biológicas
- Faculdade de Ciências Farmacêuticas
- UNESP
- Araraquara
- Brazil
| | | | - Eliana A. Varanda
- Departamento de Ciências Biológicas
- Faculdade de Ciências Farmacêuticas
- UNESP
- Araraquara
- Brazil
| | | | - Victor M. Deflon
- Instituto de Química de São Carlos
- Universidade de São Paulo
- São Carlos
- Brazil
| | - Marcia R. Cominetti
- Departamento de Gerontologia
- Universidade Federal de São Carlos
- São Carlos
- Brazil
| | | | - Alzir A. Batista
- Departamento de Química
- Universidade Federal de São Carlos
- São Carlos
- Brazil
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16
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Saha U, Yasmeen Khan A, Bhuiya S, Das S, Fiorillo G, Lombardi P, Suresh Kumar G. Targeting human telomeric DNA quadruplex with novel berberrubine derivatives: insights from spectroscopic and docking studies. J Biomol Struct Dyn 2018; 37:1375-1389. [DOI: 10.1080/07391102.2018.1459319] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Urmila Saha
- Biophysical Chemistry Laboratory, Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700032, India
| | - Asma Yasmeen Khan
- Biophysical Chemistry Laboratory, Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700032, India
| | - Sutanwi Bhuiya
- Department of Chemistry, Jadavpur University, Kolkata 700032, India
| | - Suman Das
- Department of Chemistry, Jadavpur University, Kolkata 700032, India
| | - Gaetano Fiorillo
- Naxospharma srl, Via G. Di Vittorio, 70, 20026 Novate Milanese, MI, Italy
| | - Paolo Lombardi
- Naxospharma srl, Via G. Di Vittorio, 70, 20026 Novate Milanese, MI, Italy
| | - Gopinatha Suresh Kumar
- Biophysical Chemistry Laboratory, Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700032, India
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17
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Takarada JE, Guedes APM, Correa RS, Silveira-Lacerda EDP, Castelli S, Iacovelli F, Deflon VM, Batista AA, Desideri A. Ru/Fe bimetallic complexes: Synthesis, characterization, cytotoxicity and study of their interactions with DNA/HSA and human topoisomerase IB. Arch Biochem Biophys 2017; 636:28-41. [PMID: 29107586 DOI: 10.1016/j.abb.2017.10.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 10/16/2017] [Accepted: 10/24/2017] [Indexed: 12/20/2022]
Abstract
Three ruthenium/iron-based compounds, 1: [Ru(MIm)(bipy)(dppf)]PF6 (MIm = 2-mercapto-1-methylimidazole anion), 2: [RuCl(Im)(bipy)(dppf)]PF6 (Im = imidazole), and 3: [Ru(tzdt)(bipy)(dppf)]PF6 (tzdt = 1,3-thiazolidine-2-thione anion) (dppf = 1,1'-bis(diphenylphosphine)ferrocene and bipy = 2,2'-bipyridine), were synthesized, and characterized by elemental analyses, conductivity, UV/Vis, IR, 1H, 13C and 31P{1H} NMR spectroscopies, and by electrochemical technique. The complex 3 was also characterized by single-crystal X-ray. The three ruthenium(II) complexes show cytotoxicity against DU-145 (prostate carcinoma cells) and A549 (lung carcinoma cells) tumor cells. The free ligands do not exhibit any cytotoxic activity, such as evident by the IC50 values higher than 200 μM. UV/Vis and viscosity experiments showed that the complexes interact weakly with the DNA molecule, via electrostatic forces. The interaction of the complexes 1-3 with the HSA is moderate, with Kb values in range of 105-107 M-1, presenting a static mechanism of interaction stabilized by hydrophobic. Complexes 2 and 3 showed high affinity for the FA7 HSA site as evidenced by fluorescence spectroscopy and molecular docking. Complexes 1-3 were tested as potential human Topoisomerase IB inhibitors by analysing the different steps of the enzyme catalytic cycle. The results indicate that all compounds efficiently inhibit the DNA relaxation and the cleavage reaction, in which the effect increases upon pre-incubation. Complexes 1 and 2 are also able to slow down the religation reaction.
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Affiliation(s)
- Jessica E Takarada
- Department of Biology, University of Rome Tor Vergata, 00133, Rome, Italy
| | - Adriana P M Guedes
- Department of Chemistry, University Federal of São Carlos, CP 676, CEP 13565-905, São Carlos, São Paulo, Brazil
| | - Rodrigo S Correa
- Department of Chemistry, University Federal of São Carlos, CP 676, CEP 13565-905, São Carlos, São Paulo, Brazil
| | - Elisângela de P Silveira-Lacerda
- Laboratory of Molecular Genetics and Cytogenetics, Institute of Biological Sciences, University Federal of Goiás-UFG, Goiânia, Goiás, Brazil
| | - Silvia Castelli
- Department of Biology, University of Rome Tor Vergata, 00133, Rome, Italy
| | - Federico Iacovelli
- Department of Biology, University of Rome Tor Vergata, 00133, Rome, Italy
| | - Victor Marcelo Deflon
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP 13560-970, São Carlos, São Paulo, Brazil
| | - Alzir Azevedo Batista
- Department of Chemistry, University Federal of São Carlos, CP 676, CEP 13565-905, São Carlos, São Paulo, Brazil.
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18
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Ghosh S, Mukhopadhyay S, Sarkar M, Mandal A, Das V, Kumar A, Giri B. Biological evaluation of a halogenated triterpenoid, 2α-bromo-dihydrobelulonic acid as inhibitor of human topoisomerase IIα and HeLa cell proliferation. Chem Biol Interact 2017; 268:68-76. [PMID: 28254521 DOI: 10.1016/j.cbi.2017.02.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Accepted: 02/24/2017] [Indexed: 11/30/2022]
Abstract
BACKGROUND The pentacyclic lupane-type (6-6-6-6-5 type) triterpenoid, Betulinic acid (BA) is a potent inhibitor of topoisomerases and is of immense interest as anticancer drugs. However, the compound being highly lipophilic, has limited in vivo uptake capacity. BA derivatives with halogen substituent at C-2 have improved membrane permeability and cytotoxicity against cancer cells. AIM The halogenated triterpenoid, 2α-bromo-dihydrobetulonic acid (B1) was synthesized from betulinic acid (BA) isolated from Bischofia javanica. Aim of the study was to determine whether B1 could act as a more efficient inhibitor of Topo IIα activity and HeLa cell proliferation, in comparison to BA. RESULT B1 displayed efficient inhibition of DNA relaxation activity of topoisomerase IIα and the inhibitory effect was markedly improved upon pre-incubation of the compound with enzyme. Topoisomerase IIα inhibition by B1 was relieved in presence of increasing concentrations of DNA suggesting the compound as a reversible catalytic inhibitor. Subsequent UV and fluorescence spectroscopy studies indicated that B1 interacts and intercalates with DNA at concentrations signicantly greater than that required for topoisomerase IIα inhibition. The compound showed cytotoxic activity against HeLa cells with significantly lower IC50 value (7.5 μM) as compared to that of BA (30 μM) and had very low damaging/cytotoxic effect on normal cells. Treatment of B1 impaired HeLa cell proliferation by inducing Go-G1 arrest through lowered expression of cyclin D1 and PCNA polypeptides, and enhanced expression of p21. B1 treatment also increased the accumulation of early and late apoptotic cells in a concentration dependent manner as indicated by annexin V-FITC/PI binding assay.
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Affiliation(s)
- Shilpi Ghosh
- Department of Biotechnology, University of North Bengal, Darjeeling, 734 013, West Bengal, India.
| | - Swagata Mukhopadhyay
- Department of Biotechnology, University of North Bengal, Darjeeling, 734 013, West Bengal, India
| | - Mrinmoy Sarkar
- Experimental Medicine & Stem Cell Research Laboratory, Department of Physiology, West Bengal State University, Barasat, Kolkata, 700 126, India
| | - Amitava Mandal
- Natural Products and Polymer Laboratory, Department of Chemistry, University of North Bengal, Darjeeling, 734 013, West Bengal, India; Molecular Complexicity Laboratory, Department of Chemistry, Raiganj University, Raiganj, 733134, West Bengal, India
| | - Vaskar Das
- Department of Biotechnology, University of North Bengal, Darjeeling, 734 013, West Bengal, India
| | - Anoop Kumar
- Department of Biotechnology, University of North Bengal, Darjeeling, 734 013, West Bengal, India
| | - Biplab Giri
- Experimental Medicine & Stem Cell Research Laboratory, Department of Physiology, West Bengal State University, Barasat, Kolkata, 700 126, India; Department of Physiology, University of Gour Banga, Malda, 732103, West Bengal, India.
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19
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Affiliation(s)
- Giovanni Capranico
- Department
of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro
8/2, 40126 Bologna, Italy
| | - Jessica Marinello
- Department
of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro
8/2, 40126 Bologna, Italy
| | - Giovanni Chillemi
- SCAI
SuperComputing Applications and Innovation Department, Cineca, Via dei Tizii 6, 00185 Rome, Italy
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20
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Pharmacokinetic studies of novel berberine derivatives with ultra-performance liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1031:172-180. [PMID: 27494281 DOI: 10.1016/j.jchromb.2016.07.038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 07/16/2016] [Accepted: 07/18/2016] [Indexed: 11/23/2022]
Abstract
An ultra-performance liquid chromatography with tandem mass spectrometric detection method was developed for the detection of berberine and its derivatives (A4, B4) in rat plasma and other organs. This validated method was successfully applied to our pharmacokinetic study of BBR derivatives in rats. At the same dose of administration, the Cmax of B4 was about eight times higher than BBR, and its half-life was approximately two times longer than BBR, according to the bigger areas under plasma concentration curves. Inversely, the pharmacokinetic parameter levels of A4 were all inferior to BBR, suggesting a tight structure-activity relationship of these compounds. Small dose of parenteral administration was used for the study of absolute oral bioavailability of A4, B4, and BBR, and the results calculated were 0.12%, 3.4% and 0.7%, respectively. The accumulations of B4 among all organs were intestine>liver>heart>kidney>lung>spleen>plasma, proving a deeply targeting property of B4, which met our experimental assumption. Together, the experimental results proved that compared with BBR and A4, the derivative B4 had higher absolute oral bioavailability and the ability of deeply targeting so that can be likely used in some organ-targeted diseases.
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21
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Vutey V, Castelli S, D'Annessa I, Sâmia LBP, Souza-Fagundes EM, Beraldo H, Desideri A. Human topoisomerase IB is a target of a thiosemicarbazone copper(II) complex. Arch Biochem Biophys 2016; 606:34-40. [PMID: 27431056 DOI: 10.1016/j.abb.2016.07.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 06/30/2016] [Accepted: 07/12/2016] [Indexed: 02/03/2023]
Abstract
The human topoisomerase IB inhibition and the antiproliferative activity of 3-(4-bromophenyl)-1-pyridin-2-ylprop-2-en-1-one thiosemicarbazone HPyCT4BrPh alone and its copper(II) complex [Cu(PyCT4BrPh)Cl] was investigated. [Cu(PyCT4BrPh)Cl] inhibits both the DNA cleavage and religation step of the enzyme, whilst the ligand alone does not display any effect. In addition we show that coordination to copper(II) improves the cytotoxicity of HPyCT4BrPh against THP-1 leukemia and MCF-7 breast cancer cells. The data indicate that the copper(II) thiosemicarbazone complex may hit human topoisomerase IB and that metal coordination can be useful to improve cytotoxicity of this versatile class of compounds.
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Affiliation(s)
- Venn Vutey
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Silvia Castelli
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Ilda D'Annessa
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Luciana B P Sâmia
- Departamento de Química, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Elaine M Souza-Fagundes
- Departamento de Química, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Heloisa Beraldo
- Departamento de Química, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Minas Gerais, Brazil
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