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Long Q, Zhou W, Zhou H, Tang Y, Chen W, Liu Q, Bian X. Polyamine-containing natural products: structure, bioactivity, and biosynthesis. Nat Prod Rep 2024; 41:525-564. [PMID: 37873660 DOI: 10.1039/d2np00087c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Covering: 2005 to August, 2023Polyamine-containing natural products (NPs) have been isolated from a wide range of terrestrial and marine organisms and most of them exhibit remarkable and diverse activities, including antimicrobial, antiprotozoal, antiangiogenic, antitumor, antiviral, iron-chelating, anti-depressive, anti-inflammatory, insecticidal, antiobesity, and antioxidant properties. Their extraordinary activities and potential applications in human health and agriculture attract increasing numbers of studies on polyamine-containing NPs. In this review, we summarized the source, structure, classification, bioactivities and biosynthesis of polyamine-containing NPs, focusing on the biosynthetic mechanism of polyamine itself and representative polyamine alkaloids, polyamine-containing siderophores with catechol/hydroxamate/hydroxycarboxylate groups, nonribosomal peptide-(polyketide)-polyamine (NRP-(PK)-PA), and NRP-PK-long chain poly-fatty amine (lcPFAN) hybrid molecules.
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Affiliation(s)
- Qingshan Long
- Hunan Provincial Engineering and Technology Research Center for Agricultural Microbiology Application, Hunan Institute of Microbiology, Changsha, 410009, China.
| | - Wen Zhou
- Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics, Ministry of Agriculture and Rural, Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Haibo Zhou
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, China.
| | - Ying Tang
- Hunan Provincial Engineering and Technology Research Center for Agricultural Microbiology Application, Hunan Institute of Microbiology, Changsha, 410009, China.
| | - Wu Chen
- College of Plant Protection, Hunan Agricultural University, Changsha, 410128, China.
| | - Qingshu Liu
- Hunan Provincial Engineering and Technology Research Center for Agricultural Microbiology Application, Hunan Institute of Microbiology, Changsha, 410009, China.
| | - Xiaoying Bian
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, China.
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2
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Nordio G, Piazzola F, Cozza G, Rossetto M, Cervelli M, Minarini A, Basagni F, Tassinari E, Dalla Via L, Milelli A, Di Paolo ML. From Monoamine Oxidase Inhibition to Antiproliferative Activity: New Biological Perspectives for Polyamine Analogs. Molecules 2023; 28:6329. [PMID: 37687158 PMCID: PMC10490032 DOI: 10.3390/molecules28176329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Monoamine oxidases (MAOs) are well-known pharmacological targets in neurological and neurodegenerative diseases. However, recent studies have revealed a new role for MAOs in certain types of cancer such as glioblastoma and prostate cancer, in which they have been found overexpressed. This finding is opening new frontiers for MAO inhibitors as potential antiproliferative agents. In light of our previous studies demonstrating how a polyamine scaffold can act as MAO inhibitor, our aim was to search for novel analogs with greater inhibitory potency for human MAOs and possibly with antiproliferative activity. A small in-house library of polyamine analogs (2-7) was selected to investigate the effect of constrained linkers between the inner amine functions of a polyamine backbone on the inhibitory potency. Compounds 4 and 5, characterized by a dianiline (4) or dianilide (5) moiety, emerged as the most potent, reversible, and mainly competitive MAO inhibitors (Ki < 1 μM). Additionally, they exhibited a high antiproliferative activity in the LN-229 human glioblastoma cell line (GI50 < 1 μM). The scaffold of compound 5 could represent a potential starting point for future development of anticancer agents endowed with MAO inhibitory activity.
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Affiliation(s)
- Giulia Nordio
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (G.N.); (F.P.); (L.D.V.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 50121 Firenze, Italy
| | - Francesco Piazzola
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (G.N.); (F.P.); (L.D.V.)
| | - Giorgio Cozza
- Department of Molecular Medicine, University of Padova, 35131 Padova, Italy; (G.C.); (M.R.)
| | - Monica Rossetto
- Department of Molecular Medicine, University of Padova, 35131 Padova, Italy; (G.C.); (M.R.)
| | - Manuela Cervelli
- Department of Science, University of Rome “Roma Tre”, 00146 Rome, Italy;
| | - Anna Minarini
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, 40126 Bologna, Italy; (A.M.); (F.B.)
| | - Filippo Basagni
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, 40126 Bologna, Italy; (A.M.); (F.B.)
| | - Elisa Tassinari
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy;
| | - Lisa Dalla Via
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (G.N.); (F.P.); (L.D.V.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 50121 Firenze, Italy
| | - Andrea Milelli
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy;
| | - Maria Luisa Di Paolo
- Department of Molecular Medicine, University of Padova, 35131 Padova, Italy; (G.C.); (M.R.)
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3
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Basagni F, Marotta G, Rosini M, Minarini A. Polyamine-Drug Conjugates: Do They Boost Drug Activity? Molecules 2023; 28:molecules28114518. [PMID: 37298993 DOI: 10.3390/molecules28114518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
Over the past two decades, the strategy of conjugating polyamine tails with bioactive molecules such as anticancer and antimicrobial agents, as well as antioxidant and neuroprotective scaffolds, has been widely exploited to enhance their pharmacological profile. Polyamine transport is elevated in many pathological conditions, suggesting that the polyamine portion could improve cellular and subcellular uptake of the conjugate via the polyamine transporter system. In this review, we have presented a glimpse on the polyamine conjugate scenario, classified by therapeutic area, of the last decade with the aim of highlighting achievements and fostering future developments.
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Affiliation(s)
- Filippo Basagni
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
| | - Giambattista Marotta
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
| | - Michela Rosini
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
| | - Anna Minarini
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
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Cadelis MM, Liu T, Sue K, Rouvier F, Bourguet-Kondracki ML, Brunel JM, Copp BR. Structure-Activity Relationship Studies of Indolglyoxyl-Polyamine Conjugates as Antimicrobials and Antibiotic Potentiators. Pharmaceuticals (Basel) 2023; 16:823. [PMID: 37375770 DOI: 10.3390/ph16060823] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/25/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
Antibiotic resistance is a growing global health threat, requiring urgent attention. One approach to overcome antibiotic resistance is to discover and develop new antibiotic enhancers, molecules that work with legacy antibiotics to enhance their efficacy against resistant bacteria. Our previous screening of a library of purified marine natural products and their synthetic analogues led to the discovery of an indolglyoxyl-spermine derivative that exhibited intrinsic antimicrobial properties and was also able to potentiate the action of doxycycline towards the difficult to treat, Gram-negative bacterium Pseudomonas aeruginosa. A set of analogues have now been prepared, exploring the influence of indole substitution at the 5- and 7- positions and length of the polyamine chain on biological activity. While limiting cytotoxicity and/or hemolytic activities were observed for many analogues, two 7-methyl substituted analogues (23b and 23c) were found to exhibit strong activity towards Gram-positive bacteria with no detectable cytotoxicity or hemolytic properties. Different molecular attributes were required for antibiotic enhancing properties, with one example identified, a 5-methoxy-substitiuted analogue (19a), as being a non-toxic, non-hemolytic enhancer of the action of two tetracycline antibiotics, doxycycline and minocycline, towards P. aeruginosa. These results provide further stimulation for the search for novel antimicrobials and antibiotic enhancers amongst marine natural products and related synthetic analogues.
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Affiliation(s)
- Melissa M Cadelis
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
- School of Medical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Tim Liu
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Kenneth Sue
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Florent Rouvier
- UMR MD1 "Membranes et Cibles Thérapeutiques", U1261 INSERM, Faculté de Pharmacie, Aix-Marseille Université, 27 bd Jean Moulin, 13385 Marseille, France
| | - Marie-Lise Bourguet-Kondracki
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, UMR 7245 CNRS, Muséum National d'Histoire Naturelle, 57 Rue Cuvier (C.P. 54), 75005 Paris, France
| | - Jean Michel Brunel
- UMR MD1 "Membranes et Cibles Thérapeutiques", U1261 INSERM, Faculté de Pharmacie, Aix-Marseille Université, 27 bd Jean Moulin, 13385 Marseille, France
| | - Brent R Copp
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
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Pearce AN, Chen D, Edmeades LR, Cadelis MM, Troudi A, Brunel JM, Bourguet-Kondracki ML, Copp BR. Repurposing primaquine as a polyamine conjugate to become an antibiotic adjuvant. Bioorg Med Chem 2021; 38:116110. [PMID: 33831695 DOI: 10.1016/j.bmc.2021.116110] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/04/2021] [Accepted: 03/06/2021] [Indexed: 11/17/2022]
Abstract
In our search for new antibiotic adjuvants as a novel strategy to deal with the emergence of multi-drug resistant (MDR) bacteria, a series of succinylprimaquine-polyamine (SPQ-PA) conjugates and derivatives of a cationic amphiphilic nature have been prepared. Evaluation of these primaquine conjugates for intrinsic antimicrobial properties and the ability to restore the antibiotic activity of doxycycline identified two derivatives, SPQ-PA3-8-3 and SPQ-PA3-10-3 that exhibited intrinsic activity against the Gram-positive bacteria Staphylococcus aureus and the yeast Cryptococcus neoformans. None of the analogues were active against the Gram-negative bacterium Pseudomonas aeruginosa. However, in the presence of a sub-therapeutic amount of doxycycline (4.5 µM), both SPQ-PA3-4-3 and SPQ-PA3-10-3 compounds displayed potent antibiotic adjuvant properties against P. aeruginosa, with MIC's of 6.25 µM. A series of derivatives were prepared to investigate the structure-activity relationship that explored the influence of both a simplified aryl lipophilic substituent and variation of the length of the polyamine scaffold on observed intrinsic antimicrobial properties and the ability to potentiate the action of doxycycline against P. aeruginosa.
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Affiliation(s)
- A Norrie Pearce
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Dan Chen
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Liam R Edmeades
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Melissa M Cadelis
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Azza Troudi
- UMR_MD1, U-1261, Aix Marseille Universite, INSERM, SSA, MCT, 13385 Marseille, France
| | - Jean Michel Brunel
- UMR_MD1, U-1261, Aix Marseille Universite, INSERM, SSA, MCT, 13385 Marseille, France
| | - Marie-Lise Bourguet-Kondracki
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, UMR 7245 CNRS, Muséum National d'Histoire Naturelle, 57 rue Cuvier (C.P. 54), 75005 Paris, France
| | - Brent R Copp
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand.
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Dou X, Dong B. Origins and Bioactivities of Natural Compounds Derived from Marine Ascidians and Their Symbionts. Mar Drugs 2019; 17:md17120670. [PMID: 31795141 PMCID: PMC6950356 DOI: 10.3390/md17120670] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/25/2019] [Accepted: 11/25/2019] [Indexed: 02/07/2023] Open
Abstract
Marine ascidians are becoming important drug sources that provide abundant secondary metabolites with novel structures and high bioactivities. As one of the most chemically prolific marine animals, more than 1200 inspirational natural products, such as alkaloids, peptides, and polyketides, with intricate and novel chemical structures have been identified from ascidians. Some of them have been successfully developed as lead compounds or highly efficient drugs. Although numerous compounds that exist in ascidians have been structurally and functionally identified, their origins are not clear. Interestingly, growing evidence has shown that these natural products not only come from ascidians, but they also originate from symbiotic microbes. This review classifies the identified natural products from ascidians and the associated symbionts. Then, we discuss the diversity of ascidian symbiotic microbe communities, which synthesize diverse natural products that are beneficial for the hosts. Identification of the complex interactions between the symbiont and the host is a useful approach to discovering ways that direct the biosynthesis of novel bioactive compounds with pharmaceutical potentials.
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Affiliation(s)
- Xiaoju Dou
- Laboratory of Morphogenesis & Evolution, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China;
- College of Agricultural Science and Technology, Tibet Vocational Technical College, Lhasa 850030, China
| | - Bo Dong
- Laboratory of Morphogenesis & Evolution, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China;
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
- Correspondence: ; Tel.: +86-0532-82032732
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7
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Cadelis MM, Pike EIW, Kang W, Wu Z, Bourguet-Kondracki ML, Blanchet M, Vidal N, Brunel JM, Copp BR. Exploration of the antibiotic potentiating activity of indolglyoxylpolyamines. Eur J Med Chem 2019; 183:111708. [PMID: 31550659 DOI: 10.1016/j.ejmech.2019.111708] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 08/29/2019] [Accepted: 09/15/2019] [Indexed: 11/29/2022]
Abstract
A series of substituted di-indolglyoxylamido-spermine analogues were prepared and evaluated for intrinsic antimicrobial properties and the ability to enhance antibiotic action. As a compound class, intrinsic activity was typically observed towards Gram-positive bacteria and the fungus Cryptococcus neoformans, with notable exceptions being the 5-bromo- and 6-chloro-indole analogues which also exhibited modest activity (MIC 34-50 μM) towards the Gram-negative bacteria Escherichia coli and Klebsiella pneumoniae. Several analogues enhanced the activity of doxycycline towards the Gram-negative bacteria Pseudomonas aeruginosa, E. coli, K. pneumoniae and Acinetobacter baumannii. Of particular note was the identification of five antibiotic enhancing analogues (5-Br, 7-F, 5-Me, 7-Me, 7-OMe) which also exhibited low to no cytotoxicity and red blood cell haemolytic properties. The mechanisms of action of the 5-Br and 7-F analogues were attributed to the ability to disrupt the integrity of, and depolarize, bacterial membranes.
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Affiliation(s)
- Melissa M Cadelis
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Elliot I W Pike
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Weirong Kang
- School of Pharmacy, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Zimei Wu
- School of Pharmacy, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Marie-Lise Bourguet-Kondracki
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, UMR 7245 CNRS, Muséum National d'Histoire Naturelle, 57 Rue Cuvier (C.P. 54), 75005, Paris, France
| | - Marine Blanchet
- Aix Marseille Univ, INSERM, SSA, MCT, Faculté de Pharmacie, 27 bd Jean Moulin, 13385, Marseille, France
| | - Nicolas Vidal
- YELEN, 10 bd Tempête, 13820, Ensues la Redonne, France
| | - Jean Michel Brunel
- Aix Marseille Univ, INSERM, SSA, MCT, Faculté de Pharmacie, 27 bd Jean Moulin, 13385, Marseille, France
| | - Brent R Copp
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand.
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Li SA, Cadelis MM, Sue K, Blanchet M, Vidal N, Brunel JM, Bourguet-Kondracki ML, Copp BR. 6-Bromoindolglyoxylamido derivatives as antimicrobial agents and antibiotic enhancers. Bioorg Med Chem 2019; 27:2090-2099. [DOI: 10.1016/j.bmc.2019.04.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 04/03/2019] [Indexed: 01/28/2023]
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9
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Schrevens S, Van Zeebroeck G, Riedelberger M, Tournu H, Kuchler K, Van Dijck P. Methionine is required for cAMP-PKA-mediated morphogenesis and virulence of Candida albicans. Mol Microbiol 2018; 108:258-275. [PMID: 29453849 DOI: 10.1111/mmi.13933] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/14/2018] [Indexed: 12/24/2022]
Abstract
Candida albicans is a major human fungal pathogen, causing superficial, as well as life-threatening invasive infections. Therefore, it has to adequately sense and respond to the host defense by expressing appropriate virulence attributes. The most important virulence factor of C. albicans is the yeast-to-hyphae morphogenetic switch, which can be induced by numerous environmental cues, including the amino acid methionine. Here, we show an essential role for methionine permease Mup1 in methionine-induced morphogenesis, biofilm formation, survival inside macrophages and virulence. Furthermore, we demonstrate that this process requires conversion of methionine into S-adenosyl methionine (SAM) and its decarboxylation by Spe2. The resulting amino-propyl group is then used for biosynthesis of polyamines, which have been shown to activate adenylate cyclase. Inhibition of the SPE2 SAM decarboxylase gene strongly impairs methionine-induced morphogenesis on specific media and significantly delays virulence in the mouse systemic infection model system. Further proof of the connection between methionine uptake and initial metabolism and the cAMP-PKA pathway was obtained by showing that both Mup1 and Spe2 are required for cAMP production in response to methionine. Our results suggest that amino acid transport and further metabolism are interesting therapeutic targets as inhibitors of this may prevent the morphogenetic switch, thereby preventing virulence.
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Affiliation(s)
- Sanne Schrevens
- VIB - KU Leuven Center for Microbiology, Leuven 3001, Belgium.,Laboratory of Molecular Cell Biology, KU Leuven, Leuven 3001, Belgium
| | - Griet Van Zeebroeck
- VIB - KU Leuven Center for Microbiology, Leuven 3001, Belgium.,Laboratory of Molecular Cell Biology, KU Leuven, Leuven 3001, Belgium
| | - Michael Riedelberger
- Medical University of Vienna, Center of Medical Biochemistry, Max F. Perutz Laboratories, Campus Vienna Biocenter, Vienna, Austria
| | - Hélène Tournu
- VIB - KU Leuven Center for Microbiology, Leuven 3001, Belgium.,Laboratory of Molecular Cell Biology, KU Leuven, Leuven 3001, Belgium
| | - Karl Kuchler
- Medical University of Vienna, Center of Medical Biochemistry, Max F. Perutz Laboratories, Campus Vienna Biocenter, Vienna, Austria
| | - Patrick Van Dijck
- VIB - KU Leuven Center for Microbiology, Leuven 3001, Belgium.,Laboratory of Molecular Cell Biology, KU Leuven, Leuven 3001, Belgium
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Pearce AN, Kaiser M, Copp BR. Synthesis and antimalarial evaluation of artesunate-polyamine and trioxolane-polyamine conjugates. Eur J Med Chem 2017; 140:595-603. [DOI: 10.1016/j.ejmech.2017.09.040] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 09/18/2017] [Accepted: 09/20/2017] [Indexed: 12/18/2022]
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11
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Polyamine-based analogs and conjugates as antikinetoplastid agents. Eur J Med Chem 2017; 139:982-1015. [DOI: 10.1016/j.ejmech.2017.08.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 07/24/2017] [Accepted: 08/04/2017] [Indexed: 12/12/2022]
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Abstract
Prior to infecting erythrocytes and causing malaria symptoms, Plasmodium parasites undergo an obligatory phase of invasion and extensive replication inside their mammalian host's liver cells that depends on the parasite's ability to obtain the nutrients it requires for its intra-hepatic growth and multiplication. Here, we show that L-arginine (Arg) uptake through the host cell's SLC7A2-encoded transporters is essential for the parasite's development and maturation in the liver. Our data suggest that the Arg that is taken up is primarily metabolized by the arginase pathway to produce the polyamines required for Plasmodium growth. Although the parasite may hijack the host's biosynthesis pathway, it relies mainly upon its own arginase-AdoMetDC/ODC pathway to acquire the polyamines it needs to develop. These results identify for the first time a pivotal role for Arg-dependent polyamine production during Plasmodium's hepatic development and pave the way to the exploitation of strategies to impact liver infection by the malaria parasite through the modulation of Arg uptake and polyamine synthesis.
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Sutti R, Rosa BB, Wunderlich B, da Silva Junior PI, Rocha E Silva TAAD. Antimicrobial activity of the toxin VdTX-I from the spider Vitalius dubius (Araneae, Theraphosidae). Biochem Biophys Rep 2015; 4:324-328. [PMID: 29124220 PMCID: PMC5669311 DOI: 10.1016/j.bbrep.2015.09.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Revised: 08/24/2015] [Accepted: 09/23/2015] [Indexed: 12/16/2022] Open
Abstract
Background Currently there is an urgent need to develop new classes of antimicrobial agents with different mechanisms of action from conventionally antibiotics used for the control of pathogenic microorganisms. The acylpolyamine called VdTX-I was isolated from the venom of the tarantula Vitalius dubius, and first described with activity as an antagonist of nicotinic cholinergic receptors. The main objective of this study was to investigate the antimicrobial activity found in the venom of the spider, with emphasis on the toxin VdTX-I. Methods Antimicrobial assays were performed in 96 well plates culture against 14 micro-organisms (fungi, yeasts and bacteria), which were tested concentrations from 0.19 to 100 μM of VdTX-I. After qualitative analysis, dose-response curve assays were performed in bacterial kill curve using MTT reagent and hemolytic assay. Results The antimicrobial activity of the VdTX-I toxin was observed in 12 tested species of Candida, Trichosporiun, Staphylococcus and Micrococcus. The toxicity had a dose-response at 3.12 µM – 100 μM in Candida albicans, Candida guillermondii, Micrococcus luteus and Escherichia coli. VdTX-I took about 5 min to inhibit bacterial growth, which was faster than streptomycin. The toxin showed no hemolytic activity between 0.19 and 100 μM. At 2.5 µg/mL of toxin it was observed no growth inhibition against a mammalian cell lineage. Conclusions The VdTX-I toxin has a significant antimicrobial activity, with broad spectrum, and is experimentally inert to mammalian blood cells. General Significance This paper explores the antimicrobial potential of the spider toxin VdTX-I, which can provide a new model to design new antimicrobial drugs. The VdTX-I toxin has antimicrobial activity at low concentrations. The toxin didn’t show hemolytic activity at a concentration of 100μM. VdTX-I does not have cytotoxic activity against mammalian cells lineages.
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Affiliation(s)
- Rafael Sutti
- Departamento de Ciências Fisiológicas-Faculdade de Ciências Médicas da Santa Casa de São Paulo, São Paulo, Brasil
| | - Bruno Bezerra Rosa
- Departamento de Ciências Fisiológicas-Faculdade de Ciências Médicas da Santa Casa de São Paulo, São Paulo, Brasil
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Souza MC, Padua TA, Torres ND, Costa MFDS, Facchinetti V, Gomes CRB, Souza MVN, Henriques MDG. Study of the antimalarial properties of hydroxyethylamine derivatives using green fluorescent protein transformed Plasmodium berghei. Mem Inst Oswaldo Cruz 2015; 110:560-5. [PMID: 26018449 PMCID: PMC4501421 DOI: 10.1590/0074-02760140466] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 04/24/2015] [Indexed: 11/22/2022] Open
Abstract
A rapid decrease in parasitaemia remains the major goal for new antimalarial drugs and thus, in vivo models must provide precise results concerning parasitaemia modulation. Hydroxyethylamine comprise an important group of alkanolamine compounds that exhibit pharmacological properties as proteases inhibitors that has already been proposed as a new class of antimalarial drugs. Herein, it was tested the antimalarial property of new nine different hydroxyethylamine derivatives using the green fluorescent protein (GFP)-expressing Plasmodium berghei strain. By comparing flow cytometry and microscopic analysis to evaluate parasitaemia recrudescence, it was observed that flow cytometry was a more sensitive methodology. The nine hydroxyethylamine derivatives were obtained by inserting one of the following radical in the para position: H, 4Cl, 4-Br, 4-F, 4-CH3, 4-OCH3, 4-NO2, 4-NH2 and 3-Br. The antimalarial test showed that the compound that received the methyl group (4-CH3) inhibited 70% of parasite growth. Our results suggest that GFP-transfected P. berghei is a useful tool to study the recrudescence of novel antimalarial drugs through parasitaemia examination by flow cytometry. Furthermore, it was demonstrated that the insertion of a methyl group at the para position of the sulfonamide ring appears to be critical for the antimalarial activity of this class of compounds.
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Affiliation(s)
- Mariana Conceição Souza
- Centro de Desenvolvimento Tecnológico em Saúde, Centro de Desenvolvimento Tecnológico em Saúde-Fiocruz, Rio de Janeiro, RJ, Brasil
| | - Tatiana Almeida Padua
- Centro de Desenvolvimento Tecnológico em Saúde, Centro de Desenvolvimento Tecnológico em Saúde-Fiocruz, Rio de Janeiro, RJ, Brasil
| | - Natalia Domingos Torres
- Centro de Desenvolvimento Tecnológico em Saúde, Centro de Desenvolvimento Tecnológico em Saúde-Fiocruz, Rio de Janeiro, RJ, Brasil
| | - Maria Fernanda de Souza Costa
- Centro de Desenvolvimento Tecnológico em Saúde, Centro de Desenvolvimento Tecnológico em Saúde-Fiocruz, Rio de Janeiro, RJ, Brasil
| | - Victor Facchinetti
- Centro de Desenvolvimento Tecnológico em Saúde, Centro de Desenvolvimento Tecnológico em Saúde-Fiocruz, Rio de Janeiro, RJ, Brasil
| | - Claudia Regina Brandão Gomes
- Centro de Desenvolvimento Tecnológico em Saúde, Centro de Desenvolvimento Tecnológico em Saúde-Fiocruz, Rio de Janeiro, RJ, Brasil
| | - Marcus Vinícius Nora Souza
- Centro de Desenvolvimento Tecnológico em Saúde, Centro de Desenvolvimento Tecnológico em Saúde-Fiocruz, Rio de Janeiro, RJ, Brasil
| | - Maria das Graças Henriques
- Centro de Desenvolvimento Tecnológico em Saúde, Centro de Desenvolvimento Tecnológico em Saúde-Fiocruz, Rio de Janeiro, RJ, Brasil
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15
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Abstract
Despite substantial scientific progress over the past two decades, malaria remains a worldwide burden that causes hundreds of thousands of deaths every year. New, affordable and safe drugs are required to overcome increasing resistance against artemisinin-based treatments, treat vulnerable populations, interrupt the parasite life cycle by blocking transmission to the vectors, prevent infection and target malaria species that transiently remain dormant in the liver. In this Review, we discuss how the antimalarial drug discovery pipeline has changed over the past 10 years, grouped by the various target compound or product profiles, to assess progress and gaps, and to recommend priorities.
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16
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Jagu E, Djilali R, Pomel S, Ramiandrasoa F, Pethe S, Labruère R, Loiseau PM, Blonski C. Design, synthesis and in vitro antikinetoplastid evaluation of N-acylated putrescine, spermidine and spermine derivatives. Bioorg Med Chem Lett 2014; 25:207-9. [PMID: 25499437 DOI: 10.1016/j.bmcl.2014.11.073] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 11/25/2014] [Accepted: 11/26/2014] [Indexed: 10/24/2022]
Abstract
A structure-activity relationship study on polyamine derivatives led to the synthesis and the determination of antikinetoplastid activity of 17 compounds. Among them, a spermidine derivative (compound 13) was specifically active in vitro against Leishmania donovani axenic amastigotes (IC50 at 5.4μM; Selectivity Index >18.5) and a spermine derivative (compound 28) specifically active against Trypanosoma brucei gambiense (IC50 at 1.9μM; Selectivity Index >52).
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Affiliation(s)
- Elodie Jagu
- Chimie Bioorganique et Bioinorganique, LabEx LERMIT, CNRS, UMR 8182 (ICMMO), Bâtiment 420, Université Paris-Sud, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
| | - Rachid Djilali
- Chimie Bioorganique et Bioinorganique, LabEx LERMIT, CNRS, UMR 8182 (ICMMO), Bâtiment 420, Université Paris-Sud, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
| | - Sébastien Pomel
- Chimiothérapie Antiparasitaire, LabEx LERMIT, Faculté de Pharmacie, CNRS, UMR 8076 (BioCIS), Université Paris-Sud, 5 rue Jean-Baptiste Clément, 92290 Châtenay-Malabry, France
| | - Florence Ramiandrasoa
- Chimie Bioorganique et Bioinorganique, LabEx LERMIT, CNRS, UMR 8182 (ICMMO), Bâtiment 420, Université Paris-Sud, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
| | - Stéphanie Pethe
- Chimie Bioorganique et Bioinorganique, LabEx LERMIT, CNRS, UMR 8182 (ICMMO), Bâtiment 420, Université Paris-Sud, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
| | - Raphaël Labruère
- Chimie Bioorganique et Bioinorganique, LabEx LERMIT, CNRS, UMR 8182 (ICMMO), Bâtiment 420, Université Paris-Sud, 15 rue Georges Clemenceau, 91405 Orsay cedex, France.
| | - Philippe M Loiseau
- Chimiothérapie Antiparasitaire, LabEx LERMIT, Faculté de Pharmacie, CNRS, UMR 8076 (BioCIS), Université Paris-Sud, 5 rue Jean-Baptiste Clément, 92290 Châtenay-Malabry, France.
| | - Casimir Blonski
- Chimie Bioorganique et Bioinorganique, LabEx LERMIT, CNRS, UMR 8182 (ICMMO), Bâtiment 420, Université Paris-Sud, 15 rue Georges Clemenceau, 91405 Orsay cedex, France.
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