1
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Kancharla P, Ortiz D, Fargo CM, Zhang X, Li Y, Sanchez M, Kumar A, Yeluguri M, Dodean RA, Caridha D, Madejczyk MS, Martin M, Jin X, Blount C, Chetree R, Pannone K, Dinh HT, DeLuca J, Evans M, Nadeau R, Vuong C, Leed S, Dennis WE, Roncal N, Pybus BS, Lee PJ, Roth A, Reynolds KA, Kelly JX, Landfear SM. Discovery and Optimization of Tambjamines as a Novel Class of Antileishmanial Agents. J Med Chem 2024; 67:8323-8345. [PMID: 38722757 PMCID: PMC11163866 DOI: 10.1021/acs.jmedchem.4c00517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
Leishmaniasis is a neglected tropical disease that is estimated to afflict over 12 million people. Current drugs for leishmaniasis suffer from serious deficiencies, including toxicity, high cost, modest efficacy, primarily parenteral delivery, and emergence of widespread resistance. We have discovered and developed a natural product-inspired tambjamine chemotype, known to be effective against Plasmodium spp, as a novel class of antileishmanial agents. Herein, we report in vitro and in vivo antileishmanial activities, detailed structure-activity relationships, and metabolic/pharmacokinetic profiles of a large library of tambjamines. A number of tambjamines exhibited excellent potency against both Leishmania mexicana and Leishmania donovani parasites with good safety and metabolic profiles. Notably, tambjamine 110 offered excellent potency and provided partial protection to leishmania-infected mice at 40 and/or 60 mg/kg/10 days of oral treatment. This study presents the first account of antileishmanial activity in the tambjamine family and paves the way for the generation of new oral antileishmanial drugs.
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Affiliation(s)
- Papireddy Kancharla
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Diana Ortiz
- Department of Molecular Microbiology and Immunology, Oregon Health & Science University, Portland, Oregon, 97239, United States
| | - Corinne M. Fargo
- Department of Molecular Microbiology and Immunology, Oregon Health & Science University, Portland, Oregon, 97239, United States
| | - Xiaowei Zhang
- Department of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Yuexin Li
- Department of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Marco Sanchez
- Department of Molecular Microbiology and Immunology, Oregon Health & Science University, Portland, Oregon, 97239, United States
| | - Amrendra Kumar
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Monish Yeluguri
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Rozalia A. Dodean
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Diana Caridha
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Michael S. Madejczyk
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Monica Martin
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Xiannu Jin
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Cameron Blount
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Ravi Chetree
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Kristina Pannone
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Hieu T. Dinh
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Jesse DeLuca
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Martin Evans
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Robert Nadeau
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Chau Vuong
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Susan Leed
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - William E. Dennis
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Norma Roncal
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Brandon S. Pybus
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Patricia J. Lee
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Alison Roth
- Experimental Therapeutics Branch, CIDR, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Kevin A. Reynolds
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Jane X. Kelly
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
- Department of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Scott M. Landfear
- Department of Molecular Microbiology and Immunology, Oregon Health & Science University, Portland, Oregon, 97239, United States
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2
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Ion transporters: emerging agents for anticancer therapy. Sci China Chem 2022. [DOI: 10.1007/s11426-022-1258-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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3
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Seipp K, Geske L, Opatz T. Marine Pyrrole Alkaloids. Mar Drugs 2021; 19:514. [PMID: 34564176 PMCID: PMC8471394 DOI: 10.3390/md19090514] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/05/2021] [Accepted: 09/07/2021] [Indexed: 12/13/2022] Open
Abstract
Nitrogen heterocycles are essential parts of the chemical machinery of life and often reveal intriguing structures. They are not only widespread in terrestrial habitats but can also frequently be found as natural products in the marine environment. This review highlights the important class of marine pyrrole alkaloids, well-known for their diverse biological activities. A broad overview of the marine pyrrole alkaloids with a focus on their isolation, biological activities, chemical synthesis, and derivatization covering the decade from 2010 to 2020 is provided. With relevant structural subclasses categorized, this review shall provide a clear and timely synopsis of this area.
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Affiliation(s)
| | | | - Till Opatz
- Department of Chemistry, Organic Chemistry Section, Johannes Gutenberg University, Duesbergweg 10–14, 55128 Mainz, Germany; (K.S.); (L.G.)
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4
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Kancharla P, Li Y, Yeluguri M, Dodean RA, Reynolds KA, Kelly JX. Total Synthesis and Antimalarial Activity of 2-( p-Hydroxybenzyl)-prodigiosins, Isoheptylprodigiosin, and Geometric Isomers of Tambjamine MYP1 Isolated from Marine Bacteria. J Med Chem 2021; 64:8739-8754. [PMID: 34111350 DOI: 10.1021/acs.jmedchem.1c00748] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Highly efficient and straightforward synthetic routes toward the first total synthesis of 2-(p-hydroxybenzyl)-prodigiosins (2-5), isoheptylprodigiosin (6), and geometric isomers of tambjamine MYP1 ((E/Z)-7) have been developed. The crucial steps involved in these synthetic routes are the construction of methoxy-bipyrrole-carboxaldehydes (MBCs) and a 20-membered macrocyclic core and a regioselective demethylation of MBC analogues. These new synthetic routes enabled us to generate several natural prodiginines 24-27 in larger quantity. All of the synthesized natural products exhibited potent asexual blood-stage antiplasmodial activity at low nanomolar concentrations against a panel of Plasmodium falciparum parasites, with a great therapeutic index. Notably, prodiginines 6 and 24-27 provided curative in vivo efficacy against erythrocytic Plasmodium yoelii at 25 mg/kg × 4 days via oral route in a murine model. No overt clinical toxicity or behavioral change was observed in any mice treated with prodiginines and tambjamines.
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Affiliation(s)
- Papireddy Kancharla
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Yuexin Li
- Department of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Monish Yeluguri
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Rozalia A Dodean
- Department of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Kevin A Reynolds
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Jane X Kelly
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States.,Department of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
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5
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Godzieba M, Ciesielski S. Natural DNA Intercalators as Promising Therapeutics for Cancer and Infectious Diseases. Curr Cancer Drug Targets 2021; 20:19-32. [PMID: 31589125 DOI: 10.2174/1568009619666191007112516] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 06/11/2019] [Accepted: 06/24/2019] [Indexed: 02/08/2023]
Abstract
Cancer and infectious diseases are one of the greatest challenges of modern medicine. An unhealthy lifestyle, the improper use of drugs, or their abuse are conducive to the increase of morbidity and mortality caused by these diseases. The imperfections of drugs currently used in therapy for these diseases and the increasing problem of drug resistance have forced a search for new substances with therapeutic potential. Throughout history, plants, animals, fungi and microorganisms have been rich sources of biologically active compounds. Even today, despite the development of chemistry and the introduction of many synthetic chemotherapeutics, a substantial part of the new compounds being tested for treatment are still of natural origin. Natural compounds exhibit a great diversity of chemical structures, and thus possess diverse mechanisms of action and molecular targets. Nucleic acids seem to be a good molecular target for substances with anticancer potential in particular, but they may also be a target for antimicrobial compounds. There are many types of interactions of small-molecule ligands with DNA. This publication focuses on the intercalation process. Intercalators are compounds that usually have planar aromatic moieties and can insert themselves between adjacent base pairs in the DNA helix. These types of interactions change the structure of DNA, leading to various types of disorders in the functioning of cells and the cell cycle. This article presents the most promising intercalators of natural origin, which have aroused interest in recent years due to their therapeutic potential.
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Affiliation(s)
- Martyna Godzieba
- Department of Environmental Biotechnology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, ul. Sloneczna 45 G, 10-917 Olsztyn, Poland
| | - Slawomir Ciesielski
- Department of Environmental Biotechnology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, ul. Sloneczna 45 G, 10-917 Olsztyn, Poland
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6
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Takaki M, Freire VF, Nicacio KJ, Bertonha AF, Nagashima N, Sarpong R, Padula V, Ferreira AG, Berlinck RGS. Metabolomics Reveals Minor Tambjamines in a Marine Invertebrate Food Chain. JOURNAL OF NATURAL PRODUCTS 2021; 84:790-796. [PMID: 33371682 PMCID: PMC8627181 DOI: 10.1021/acs.jnatprod.0c01043] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Metabolomics analysis detected tambjamine alkaloids in aqueous and EtOAc extracts of the marine invertebrates Virididentula dentata, Tambja stegosauriformis, Tambja brasiliensis, and Roboastra ernsti. Among several tambjamines, the new amino acid derivatives tambjamines M-O (17-19) were identified by Marfey's advanced analysis, UPLC-MS/MS analyses, and total synthesis. The tambjamine diversity increased from the bryozoan V. dentata to its nudibranch predators T. stegosauriformis and T. brasiliensis and attained a higher diversity in R. ernsti, the nudibranch that preys upon T. stegosauriformis and T. brasiliensis. The total tambjamine content also increases among the trophic levels, probably due to biomagnification. Tambjamines A (1), C (3), and D (4) are the major metabolites in the tissues of V. dentata, T. stegosauriformis, T. brasiliensis, and R. ernsti and are likely the main chemical defenses of these marine invertebrates.
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Affiliation(s)
- Mirelle Takaki
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP, São Carlos, SP 13560-970, Brazil
| | - Vítor F Freire
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP, São Carlos, SP 13560-970, Brazil
| | - Karen J Nicacio
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP, São Carlos, SP 13560-970, Brazil
| | - Ariane F Bertonha
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP, São Carlos, SP 13560-970, Brazil
| | - Nozomu Nagashima
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Richmond Sarpong
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Vinicius Padula
- Departamento de Invertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro 20940-040, Brazil
| | - Antonio G Ferreira
- Departamento de Química, Universidade Federal de São Carlos, São Carlos, SP 13565-905, Brazil
| | - Roberto G S Berlinck
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP, São Carlos, SP 13560-970, Brazil
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7
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Singh N, Singh S, Kohli S, Singh A, Asiki H, Rathee G, Chandra R, Anderson EA. Recent progress in the total synthesis of pyrrole-containing natural products (2011–2020). Org Chem Front 2021. [DOI: 10.1039/d0qo01574a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This review discusses total syntheses of pyrrole-containing natural products over the last ten years, highlighting recent advances in the chemistry of pyrroles in the context of their innate reactivity, and their preparation in complex settings.
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Affiliation(s)
- Nidhi Singh
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Snigdha Singh
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Sahil Kohli
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Aarushi Singh
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Hannah Asiki
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Garima Rathee
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Ramesh Chandra
- Department of Chemistry, University of Delhi, Delhi 110007, India
- Dr B. R. Ambedkar Center for Biomedical Research, University of Delhi, Delhi 110007, India
| | - Edward A. Anderson
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
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8
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Avila C, Angulo-Preckler C. Bioactive Compounds from Marine Heterobranchs. Mar Drugs 2020; 18:657. [PMID: 33371188 PMCID: PMC7767343 DOI: 10.3390/md18120657] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/05/2020] [Accepted: 12/07/2020] [Indexed: 12/22/2022] Open
Abstract
The natural products of heterobranch molluscs display a huge variability both in structure and in their bioactivity. Despite the considerable lack of information, it can be observed from the recent literature that this group of animals possesses an astonishing arsenal of molecules from different origins that provide the molluscs with potent chemicals that are ecologically and pharmacologically relevant. In this review, we analyze the bioactivity of more than 450 compounds from ca. 400 species of heterobranch molluscs that are useful for the snails to protect themselves in different ways and/or that may be useful to us because of their pharmacological activities. Their ecological activities include predator avoidance, toxicity, antimicrobials, antifouling, trail-following and alarm pheromones, sunscreens and UV protection, tissue regeneration, and others. The most studied ecological activity is predation avoidance, followed by toxicity. Their pharmacological activities consist of cytotoxicity and antitumoral activity; antibiotic, antiparasitic, antiviral, and anti-inflammatory activity; and activity against neurodegenerative diseases and others. The most studied pharmacological activities are cytotoxicity and anticancer activities, followed by antibiotic activity. Overall, it can be observed that heterobranch molluscs are extremely interesting in regard to the study of marine natural products in terms of both chemical ecology and biotechnology studies, providing many leads for further detailed research in these fields in the near future.
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Affiliation(s)
- Conxita Avila
- Department of Evolutionary Biology, Ecology, and Environmental Sciences, Biodiversity Research Institute (IrBIO), Faculty of Biology, University of Barcelona, Av. Diagonal 643, 08028 Barcelona, Catalonia, Spain;
| | - Carlos Angulo-Preckler
- Department of Evolutionary Biology, Ecology, and Environmental Sciences, Biodiversity Research Institute (IrBIO), Faculty of Biology, University of Barcelona, Av. Diagonal 643, 08028 Barcelona, Catalonia, Spain;
- Norwegian College of Fishery Science, UiT The Arctic University of Norway, Hansine Hansens veg 18, 9019 Tromsø, Norway
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9
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Barros-Nepomuceno FWA, de Araújo Viana D, Pinheiro DP, de Cássia Evangelista de Oliveira F, Magalhães Ferreira J, R de Queiroz MG, Ma X, Cavalcanti BC, Pessoa C, Banwell MG. The Effects of the Alkaloid Tambjamine J on Mice Implanted with Sarcoma 180 Tumor Cells. ChemMedChem 2020; 16:420-428. [PMID: 32886437 DOI: 10.1002/cmdc.202000387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/18/2020] [Indexed: 12/12/2022]
Abstract
The tambjamines are a small group of bipyrrolic alkaloids that, collectively, display a significant range of biological activities including antitumor, antimicrobial and immunosuppressive properties. The key objective of the present study was to undertake preclinical assessments of tambjamine J (T-J) so as to determine its in vivo antitumor effects. To that end, sarcoma 180 cells were transplanted in mice and the impacts of the title compound then evaluated using a range of protocols including hematological, biochemical, histopathological, genotoxic and clastogenic assays. As a result it was established that this alkaloid has a significant therapeutic window and effectively reduces tumor growth (by 40 % and 79 % at doses of 10 and 20 mg/kg/day, respectively). In this regard it displays similar antitumor activity to the anticancer agent cyclophosphamide and alters animal weight in an analogous manner.
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Affiliation(s)
- Francisco Washington A Barros-Nepomuceno
- Institute of Health Sciences, University for International Integration of the Afro-Brazilian Lusophony, Acarape, 62.785-000, CE, Brazil.,Center for Research and Drug Development, Federal University of Ceará, Fortaleza, 60.430.275, CE, Brazil
| | - Daniel de Araújo Viana
- PATHOVET Laboratory, Pathological Anatomy and Veterinary Clinic, Fortaleza, 60.020.001, CE, Brazil
| | - Daniel Pascoalino Pinheiro
- Center for Research and Drug Development, Federal University of Ceará, Fortaleza, 60.430.275, CE, Brazil
| | | | - Jamile Magalhães Ferreira
- Institute of Health Sciences, University for International Integration of the Afro-Brazilian Lusophony, Acarape, 62.785-000, CE, Brazil.,Clinical and Toxicological Analysis Department, Faculty of Pharmacy, Odontology and Nursing, Federal University of Ceará, Fortaleza, 60.714.903, CE, Brazil
| | - Maria Goretti R de Queiroz
- Clinical and Toxicological Analysis Department, Faculty of Pharmacy, Odontology and Nursing, Federal University of Ceará, Fortaleza, 60.714.903, CE, Brazil
| | - Xinghua Ma
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, ACT, 2601, Australia
| | - Bruno Coêlho Cavalcanti
- Center for Research and Drug Development, Federal University of Ceará, Fortaleza, 60.430.275, CE, Brazil
| | - Claudia Pessoa
- Center for Research and Drug Development, Federal University of Ceará, Fortaleza, 60.430.275, CE, Brazil
| | - Martin G Banwell
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, ACT, 2601, Australia.,Institute for Advanced and Applied Chemical Synthesis, Jinan University, Zhuhai, 519070, Guangdong, China
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10
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Ciavatta ML, Lefranc F, Vieira LM, Kiss R, Carbone M, van Otterlo WAL, Lopanik NB, Waeschenbach A. The Phylum Bryozoa: From Biology to Biomedical Potential. Mar Drugs 2020; 18:E200. [PMID: 32283669 PMCID: PMC7230173 DOI: 10.3390/md18040200] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/31/2020] [Accepted: 04/06/2020] [Indexed: 01/06/2023] Open
Abstract
Less than one percent of marine natural products characterized since 1963 have been obtained from the phylum Bryozoa which, therefore, still represents a huge reservoir for the discovery of bioactive metabolites with its ~6000 described species. The current review is designed to highlight how bryozoans use sophisticated chemical defenses against their numerous predators and competitors, and which can be harbored for medicinal uses. This review collates all currently available chemoecological data about bryozoans and lists potential applications/benefits for human health. The core of the current review relates to the potential of bryozoan metabolites in human diseases with particular attention to viral, brain, and parasitic diseases. It additionally weighs the pros and cons of total syntheses of some bryozoan metabolites versus the synthesis of non-natural analogues, and explores the hopes put into the development of biotechnological approaches to provide sustainable amounts of bryozoan metabolites without harming the natural environment.
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Affiliation(s)
- Maria Letizia Ciavatta
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Chimica Biomolecolare (ICB), Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (M.L.C.); (M.C.)
| | - Florence Lefranc
- Service de Neurochirurgie, Hôpital Erasme, Université Libre de Bruxelles (ULB), 1070 Brussels, Belgium
| | - Leandro M. Vieira
- Departamento de Zoologia, Centro de Biociências, Universidade Federal de Pernambuco, Recife, PE 50670-901, Brazil;
| | - Robert Kiss
- Retired – formerly at the Fonds National de la Recherche Scientifique (FRS-FNRS), 1000 Brussels, Belgium;
| | - Marianna Carbone
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Chimica Biomolecolare (ICB), Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (M.L.C.); (M.C.)
| | - Willem A. L. van Otterlo
- Department of Chemistry and Polymer Science, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa;
| | - Nicole B. Lopanik
- School of Earth and Atmospheric Sciences, School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA;
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11
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Picott KJ, Deichert JA, deKemp EM, Snieckus V, Ross AC. Purification and Kinetic Characterization of the Essential Condensation Enzymes Involved in Prodiginine and Tambjamine Biosynthesis. Chembiochem 2020; 21:1036-1042. [DOI: 10.1002/cbic.201900503] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/11/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Katherine J. Picott
- Department of ChemistryQueen's University 90 Bader Lane Kingston ON K7L 3N6 Canada
| | - Julie A. Deichert
- Department of ChemistryQueen's University 90 Bader Lane Kingston ON K7L 3N6 Canada
| | - Ella M. deKemp
- Department of ChemistryQueen's University 90 Bader Lane Kingston ON K7L 3N6 Canada
| | - Victor Snieckus
- Department of ChemistryQueen's University 90 Bader Lane Kingston ON K7L 3N6 Canada
| | - Avena C. Ross
- Department of ChemistryQueen's University 90 Bader Lane Kingston ON K7L 3N6 Canada
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12
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From Seabed to Bedside: A Review on Promising Marine Anticancer Compounds. Biomolecules 2020; 10:biom10020248. [PMID: 32041255 PMCID: PMC7072248 DOI: 10.3390/biom10020248] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/29/2020] [Accepted: 02/04/2020] [Indexed: 02/08/2023] Open
Abstract
The marine environment represents an outstanding source of antitumoral compounds and, at the same time, remains highly unexplored. Organisms living in the sea synthesize a wide variety of chemicals used as defense mechanisms. Interestingly, a large number of these compounds exert excellent antitumoral properties and have been developed as promising anticancer drugs that have later been approved or are currently under validation in clinical trials. However, due to the high need for these compounds, new methodologies ensuring its sustainable supply are required. Also, optimization of marine bioactives is an important step for their success in the clinical setting. Such optimization involves chemical modifications to improve their half-life in circulation, potency and tumor selectivity. In this review, we outline the most promising marine bioactives that have been investigated in cancer models and/or tested in patients as anticancer agents. Moreover, we describe the current state of development of anticancer marine compounds and discuss their therapeutic limitations as well as different strategies used to overcome these limitations. The search for new marine antitumoral agents together with novel identification and chemical engineering approaches open the door for novel, more specific and efficient therapeutic agents for cancer treatment.
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13
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Gavagnin M, Carbone M, Ciavatta ML, Mollo E. Natural Products from Marine Heterobranchs: an Overview of Recent Results. CHEMISTRY JOURNAL OF MOLDOVA 2019. [DOI: 10.19261/cjm.2019.617] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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14
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Figuerola B, Avila C. The Phylum Bryozoa as a Promising Source of Anticancer Drugs. Mar Drugs 2019; 17:E477. [PMID: 31426556 PMCID: PMC6722838 DOI: 10.3390/md17080477] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 08/14/2019] [Accepted: 08/15/2019] [Indexed: 12/31/2022] Open
Abstract
Recent advances in sampling and novel techniques in drug synthesis and isolation have promoted the discovery of anticancer agents from marine organisms to combat this major threat to public health worldwide. Bryozoans, which are filter-feeding, aquatic invertebrates often characterized by a calcified skeleton, are an excellent source of pharmacologically interesting compounds including well-known chemical classes such as alkaloids and polyketides. This review covers the literature for secondary metabolites isolated from marine cheilostome and ctenostome bryozoans that have shown potential as cancer drugs. Moreover, we highlight examples such as bryostatins, the most known class of marine-derived compounds from this animal phylum, which are advancing through anticancer clinical trials due to their low toxicity and antineoplastic activity. The bryozoan antitumor compounds discovered until now show a wide range of chemical diversity and biological activities. Therefore, more research focusing on the isolation of secondary metabolites with potential anticancer properties from bryozoans and other overlooked taxa covering wider geographic areas is needed for an efficient bioprospecting of natural products.
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Affiliation(s)
- Blanca Figuerola
- Institute of Marine Sciences (ICM-CSIC), Pg. Marítim de la Barceloneta 37-49, Barcelona 08003, Catalonia, Spain.
| | - Conxita Avila
- Department of Evolutionary Biology, Ecology, and Environmental Sciences, and Biodiversity Research Institute (IrBIO), Faculty of Biology, University of Barcelona, Av. Diagonal 643, Barcelona 08028, Catalonia, Spain
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15
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Marchetti PM, Richardson SM, Kariem NM, Campopiano DJ. Synthesis of N-acyl amide natural products using a versatile adenylating biocatalyst. MEDCHEMCOMM 2019; 10:1192-1196. [PMID: 31741729 PMCID: PMC6677021 DOI: 10.1039/c9md00063a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 05/22/2019] [Indexed: 11/30/2022]
Abstract
TamA is the enzyme that controls the acyl chain length of the tambjamine natural products. Here we show that the catalytic ANL domain of TamA can be used to prepare a range of N-acyl amides.
Natural products are secondary metabolites produced by many different organisms such as bacteria, fungi and plants. These biologically active molecules have been widely exploited for clinical application. Here we investigate TamA, a key enzyme from the biosynthetic pathway of tambjamine YP1, an acylated bipyrrole that is produced by the marine microorganism Pseudoalteromonas tunicata. TamA is a didomain enzyme composed of a catalytic adenylation (ANL) and an acyl carrier protein (ACP) domain that together control the fatty acid chain length of the YP1. Here we show that the TamA ANL domain alone can be used to generate a range of acyl adenylates that can be captured by a number of amines thus leading to the production of a series of fatty N-acyl amides. We exploit this biocatalytic promiscuity to produce the recently discovered class of N-acyl histidine amide natural products from Legionella pneumophila.
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Affiliation(s)
- Piera M Marchetti
- EastCHEM School of Chemistry , University of Edinburgh , David Brewster Road , Edinburgh , EH9 3FJ , UK .
| | - Shona M Richardson
- EastCHEM School of Chemistry , University of Edinburgh , David Brewster Road , Edinburgh , EH9 3FJ , UK .
| | - Noor M Kariem
- EastCHEM School of Chemistry , University of Edinburgh , David Brewster Road , Edinburgh , EH9 3FJ , UK .
| | - Dominic J Campopiano
- EastCHEM School of Chemistry , University of Edinburgh , David Brewster Road , Edinburgh , EH9 3FJ , UK .
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16
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Picott KJ, Deichert JA, deKemp EM, Schatte G, Sauriol F, Ross AC. Isolation and characterization of tambjamine MYP1, a macrocyclic tambjamine analogue from marine bacterium Pseudoalteromonas citrea. MEDCHEMCOMM 2019; 10:478-483. [PMID: 31015911 DOI: 10.1039/c9md00061e] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 02/28/2019] [Indexed: 02/02/2023]
Abstract
Tambjamines are natural products that consist of a conserved bipyrrole core functionalized with different imines giving rise to many derivatives. The core structure of tambjamines allows ion coordination through the nitrogen atoms, which is a key aspect in many of their observed antimicrobial, anticancer, and antimalarial bioactivities. Minor variances in the compound structure have a considerable impact on the potency of these activities, so identifying new analogues is valuable for maximizing tambjamine biological potential. In this work, we describe the isolation and structure elucidation of the first naturally occurring macrocyclized tambjamine, tambjamine MYP1, from the marine microbe Pseudoalteromonas citrea. We also compare the apparent pK a of cyclic and linear tambjamine analogues and discuss how structural strain may effect the compound's ion coordination abilities.
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Affiliation(s)
| | - Julie A Deichert
- Department of Chemistry , Queen's University , Kingston , ON , Canada .
| | - Ella M deKemp
- Department of Chemistry , Queen's University , Kingston , ON , Canada .
| | - Gabriele Schatte
- Department of Chemistry , Queen's University , Kingston , ON , Canada .
| | - Françoise Sauriol
- Department of Chemistry , Queen's University , Kingston , ON , Canada .
| | - Avena C Ross
- Department of Chemistry , Queen's University , Kingston , ON , Canada .
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17
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Ciavatta ML, Lefranc F, Carbone M, Mollo E, Gavagnin M, Betancourt T, Dasari R, Kornienko A, Kiss R. Marine Mollusk-Derived Agents with Antiproliferative Activity as Promising Anticancer Agents to Overcome Chemotherapy Resistance. Med Res Rev 2017; 37:702-801. [PMID: 27925266 PMCID: PMC5484305 DOI: 10.1002/med.21423] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 09/20/2016] [Accepted: 09/23/2016] [Indexed: 12/18/2022]
Abstract
The chemical investigation of marine mollusks has led to the isolation of a wide variety of bioactive metabolites, which evolved in marine organisms as favorable adaptations to survive in different environments. Most of them are derived from food sources, but they can be also biosynthesized de novo by the mollusks themselves, or produced by symbionts. Consequently, the isolated compounds cannot be strictly considered as "chemotaxonomic markers" for the different molluscan species. However, the chemical investigation of this phylum has provided many compounds of interest as potential anticancer drugs that assume particular importance in the light of the growing literature on cancer biology and chemotherapy. The current review highlights the diversity of chemical structures, mechanisms of action, and, most importantly, the potential of mollusk-derived metabolites as anticancer agents, including those biosynthesized by mollusks and those of dietary origin. After the discussion of dolastatins and kahalalides, compounds previously studied in clinical trials, the review covers potentially promising anticancer agents, which are grouped based on their structural type and include terpenes, steroids, peptides, polyketides and nitrogen-containing compounds. The "promise" of a mollusk-derived natural product as an anticancer agent is evaluated on the basis of its ability to target biological characteristics of cancer cells responsible for poor treatment outcomes. These characteristics include high antiproliferative potency against cancer cells in vitro, preferential inhibition of the proliferation of cancer cells over normal ones, mechanism of action via nonapoptotic signaling pathways, circumvention of multidrug resistance phenotype, and high activity in vivo, among others. The review also includes sections on the targeted delivery of mollusk-derived anticancer agents and solutions to their procurement in quantity.
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Affiliation(s)
- Maria Letizia Ciavatta
- Consiglio Nazionale delle Ricerche (CNR)Istituto di Chimica Biomolecolare (ICB)Via Campi Flegrei 3480078PozzuoliItaly
| | - Florence Lefranc
- Service de Neurochirurgie, Hôpital ErasmeUniversité Libre de Bruxelles (ULB)1070BrusselsBelgium
| | - Marianna Carbone
- Consiglio Nazionale delle Ricerche (CNR)Istituto di Chimica Biomolecolare (ICB)Via Campi Flegrei 3480078PozzuoliItaly
| | - Ernesto Mollo
- Consiglio Nazionale delle Ricerche (CNR)Istituto di Chimica Biomolecolare (ICB)Via Campi Flegrei 3480078PozzuoliItaly
| | - Margherita Gavagnin
- Consiglio Nazionale delle Ricerche (CNR)Istituto di Chimica Biomolecolare (ICB)Via Campi Flegrei 3480078PozzuoliItaly
| | - Tania Betancourt
- Department of Chemistry and BiochemistryTexas State UniversitySan MarcosTX78666
| | - Ramesh Dasari
- Department of Chemistry and BiochemistryTexas State UniversitySan MarcosTX78666
| | - Alexander Kornienko
- Department of Chemistry and BiochemistryTexas State UniversitySan MarcosTX78666
| | - Robert Kiss
- Laboratoire de Cancérologie et de Toxicologie ExpérimentaleFaculté de Pharmacie, Université Libre de Bruxelles (ULB)1050BrusselsBelgium
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18
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Li J, Zhang Q, Yin J, Yu C, Cheng K, Wei Y, Hao E, Jiao L. Metal-Free and Versatile Synthetic Routes to Natural and Synthetic Prodiginines from Boron Dipyrrin. Org Lett 2016; 18:5696-5699. [DOI: 10.1021/acs.orglett.6b02924] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jin Li
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Qian Zhang
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Jian Yin
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Changjiang Yu
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Kai Cheng
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Yun Wei
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Erhong Hao
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Lijuan Jiao
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
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19
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Kancharla P, Kelly JX, Reynolds KA. Synthesis and Structure-Activity Relationships of Tambjamines and B-Ring Functionalized Prodiginines as Potent Antimalarials. J Med Chem 2015; 58:7286-309. [PMID: 26305125 PMCID: PMC11177801 DOI: 10.1021/acs.jmedchem.5b00560] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Synthesis and antimalarial activity of 94 novel bipyrrole tambjamines (TAs) and a library of B-ring functionalized tripyrrole prodiginines (PGs) against a panel of Plasmodium falciparum strains are described. The activity and structure-activity relationships demonstrate that the ring-C of PGs can be replaced by an alkylamine, providing for TAs with retained/enhanced potency. Furthermore, ring-B of PGs/TAs can be substituted with short alkyl substitutions at either 4-position (replacement of OMe) or 3- and 4-positions without impacting potency. Eight representative TAs and two PGs have been evaluated for antimalarial activity against multidrug-resistant P. yoelii in mice in the dose range of 5-100 mg/kg × 4 days by oral administration. The KAR425 TA offered greater efficacy than previously observed for any PG, providing 100% protection to malaria-infected mice until day 28 at doses of 25 and 50 mg/kg × 4 days, and was also curative in this model in a single oral dose (80 mg/kg). This study presents the first account of antimalarial activity in tambjamines.
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Affiliation(s)
- Papireddy Kancharla
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Jane Xu Kelly
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
- Department of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Kevin A. Reynolds
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
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20
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Sajadikhah SS, Maghsoodlou MT. A simple and green approach for the synthesis of polyfunctionalized mono- and bis-dihydro-2-oxopyrroles catalyzed by trityl chloride. RSC Adv 2014. [DOI: 10.1039/c4ra06923d] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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21
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Hernando E, Soto-Cerrato V, Cortés-Arroyo S, Pérez-Tomás R, Quesada R. Transmembrane anion transport and cytotoxicity of synthetic tambjamine analogs. Org Biomol Chem 2014; 12:1771-8. [DOI: 10.1039/c3ob42341g] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Synthetic tambjamine analogs bearing aromatic enamine moieties are highly efficient transmembrane anion carriers, triggering apoptosis in several cancer cell lines.
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Affiliation(s)
- Elsa Hernando
- Departamento de Química
- Facultad de Ciencias
- Universidad de Burgos
- 09001 Burgos, Spain
| | - Vanessa Soto-Cerrato
- Department of Pathology and Experimental Therapeutics
- Cancer Cell Biology Research Group
- Universidad de Barcelona
- Barcelona, Spain
| | - Susana Cortés-Arroyo
- Department of Pathology and Experimental Therapeutics
- Cancer Cell Biology Research Group
- Universidad de Barcelona
- Barcelona, Spain
| | - Ricardo Pérez-Tomás
- Department of Pathology and Experimental Therapeutics
- Cancer Cell Biology Research Group
- Universidad de Barcelona
- Barcelona, Spain
| | - Roberto Quesada
- Departamento de Química
- Facultad de Ciencias
- Universidad de Burgos
- 09001 Burgos, Spain
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22
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Kancharla P, Reynolds KA. Synthesis of 2,2′-bipyrrole-5-carboxaldehydes and their application in the synthesis of B-ring functionalized prodiginines and tambjamines. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.07.067] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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23
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Panarese JD, Konkol LC, Berry CB, Bates BS, Aldrich LN, Lindsley CW. Spiroaminal Model Systems of the Marineosins with Final Step Pyrrole Incorporation. Tetrahedron Lett 2013; 54:2231-2234. [PMID: 23606772 PMCID: PMC3627418 DOI: 10.1016/j.tetlet.2013.02.059] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In this Letter, we describe a short, 6-step enantioselective route to spiroaminal lactam model systems reminiscent of marineosins A and B has been developed starting from either (R)- or (S)-hydroxysuccinic acid, respectively, in ~9% overall yield. This route enables late stage incorporation of the pyrrole ring at C5 via nucleophilic displacement of an iminium triflate salt.
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Affiliation(s)
- Joseph D. Panarese
- Department of Chemistry, Vanderbilt University, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt Specialized Chemistry Center (MLPCN), Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Leah C. Konkol
- Department of Chemistry, Vanderbilt University, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt Specialized Chemistry Center (MLPCN), Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Cynthia B. Berry
- Department of Chemistry, Vanderbilt University, Nashville, TN 37232, USA
| | - Brittney S. Bates
- Department of Chemistry, Vanderbilt University, Nashville, TN 37232, USA
| | - Leslie N. Aldrich
- Department of Chemistry, Vanderbilt University, Nashville, TN 37232, USA
| | - Craig W. Lindsley
- Department of Chemistry, Vanderbilt University, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt Specialized Chemistry Center (MLPCN), Vanderbilt University Medical Center, Nashville, TN 37232, USA
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25
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Panarese JD, Lindsley CW. Biomimetic synthesis and biological evaluation of Aplidiopsamine A. Org Lett 2012; 14:5808-10. [PMID: 23106227 DOI: 10.1021/ol3024665] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first total synthesis of Aplidiopsamine A, a rare 3H-pyrrolo[2,3-c]quinoline alkaloid from the Aplidiopsis confluata, has been achieved following the proposed biosynthesis. This biomimetic synthesis requires only five steps and proceeds in 20.8% overall yield. Biological evaluation across large panels of discrete molecular targets identified that Aplidiopsamine A is a highly selective PDE4 inhibitor, a target for numerous CNS disorders.
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Affiliation(s)
- Joseph D Panarese
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37232, USA
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Hernández PI, Moreno D, Javier AA, Torroba T, Pérez-Tomás R, Quesada R. Tambjamine alkaloids and related synthetic analogs: efficient transmembrane anion transporters. Chem Commun (Camb) 2012; 48:1556-8. [DOI: 10.1039/c1cc11300c] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Abstract
Covering: 2010. Previous review: Nat. Prod. Rep., 2011, 28, 196. This review covers the literature published in 2010 for marine natural products, with 895 citations (590 for the period January to December 2010) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1003 for 2010), together with the relevant biological activities, source organisms and country of origin. Biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
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28
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Brogan JT, Stoops SL, Crews BC, Marnett LJ, Lindsley CW. Total Synthesis (+)-7-Bromotrypargine and Unnatural Analogs: Biological Evaluation Uncovers Activity at CNS Targets of Therapeutic Relevance. ACS Chem Neurosci 2011; 2:633-639. [PMID: 22247792 PMCID: PMC3254090 DOI: 10.1021/cn200075n] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2011] [Accepted: 08/12/2011] [Indexed: 11/28/2022] Open
Abstract
The first total synthesis of (+)-7-bromotrypargine, a β-carboline alkaloid from Ancornia sp. is reported. The synthesis proceeds in 9 steps, 8 steps longest linear sequence, in 36.9% overall yield. Biological characterization found that (+)-7-bromotrypargine is an H(3) antagonist, and a selective inhibitor of DAT and NET, without inhibiting SERT. Moreover, unlike electron rich congeners, (+)-7-bromotrypargine is not cytotoxic, and thus represents an attractive starting point for chemical optimization; therefore, we piloted a number of chemistries for the synthesis of unnatural analogs.
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Affiliation(s)
- John T. Brogan
- Department of Pharmacology, Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- Department of Chemistry, Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee, 37232, United States
| | - Sydney L. Stoops
- Department of Pharmacology, Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
| | - Brenda C. Crews
- Department of Chemistry, Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee, 37232, United States
| | - Lawrence J. Marnett
- Department of Pharmacology, Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- Department of Chemistry, Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee, 37232, United States
| | - Craig W. Lindsley
- Department of Pharmacology, Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
- Department of Chemistry, Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee, 37232, United States
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Russel JS, Pelkey ET, Greger JG. Five-Membered Ring Systems. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/b978-0-08-096805-6.00006-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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