1
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Dalisay DS, Tenebro CP, Sabido EM, Suarez AFL, Paderog MJV, Reyes-Salarda R, Saludes JP. Marine-Derived Anticancer Agents Targeting Apoptotic Pathways: Exploring the Depths for Novel Cancer Therapies. Mar Drugs 2024; 22:114. [PMID: 38535455 PMCID: PMC10972102 DOI: 10.3390/md22030114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/01/2024] [Accepted: 02/08/2024] [Indexed: 04/13/2024] Open
Abstract
Extensive research has been conducted on the isolation and study of bioactive compounds derived from marine sources. Several natural products have demonstrated potential as inducers of apoptosis and are currently under investigation in clinical trials. These marine-derived compounds selectively interact with extrinsic and intrinsic apoptotic pathways using a variety of molecular mechanisms, resulting in cell shrinkage, chromatin condensation, cytoplasmic blebs, apoptotic bodies, and phagocytosis by adjacent parenchymal cells, neoplastic cells, or macrophages. Numerous marine-derived compounds are currently undergoing rigorous examination for their potential application in cancer therapy. This review examines a total of 21 marine-derived compounds, along with their synthetic derivatives, sourced from marine organisms such as sponges, corals, tunicates, mollusks, ascidians, algae, cyanobacteria, fungi, and actinobacteria. These compounds are currently undergoing preclinical and clinical trials to evaluate their potential as apoptosis inducers for the treatment of different types of cancer. This review further examined the compound's properties and mode of action, preclinical investigations, clinical trial studies on single or combination therapy, and the prospective development of marine-derived anticancer therapies.
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Affiliation(s)
- Doralyn S. Dalisay
- Center for Chemical Biology and Biotechnology (C2B2), University of San Agustin, Iloilo City 5000, Philippines; (C.P.T.); (E.M.S.); (M.J.V.P.)
- Department of Biology, University of San Agustin, Iloilo City 5000, Philippines;
- Balik Scientist Program, Department of Science and Technology, Philippine Council for Health Research and Development (DOST-PCHRD), Taguig 1631, Philippines;
| | - Chuckcris P. Tenebro
- Center for Chemical Biology and Biotechnology (C2B2), University of San Agustin, Iloilo City 5000, Philippines; (C.P.T.); (E.M.S.); (M.J.V.P.)
| | - Edna M. Sabido
- Center for Chemical Biology and Biotechnology (C2B2), University of San Agustin, Iloilo City 5000, Philippines; (C.P.T.); (E.M.S.); (M.J.V.P.)
| | - Angelica Faith L. Suarez
- Center for Natural Drug Discovery and Development (CND3), University of San Agustin, Iloilo City 5000, Philippines;
| | - Melissa June V. Paderog
- Center for Chemical Biology and Biotechnology (C2B2), University of San Agustin, Iloilo City 5000, Philippines; (C.P.T.); (E.M.S.); (M.J.V.P.)
- Department of Pharmacy, University of San Agustin, Iloilo City 5000, Philippines
| | - Rikka Reyes-Salarda
- Department of Biology, University of San Agustin, Iloilo City 5000, Philippines;
| | - Jonel P. Saludes
- Balik Scientist Program, Department of Science and Technology, Philippine Council for Health Research and Development (DOST-PCHRD), Taguig 1631, Philippines;
- Center for Natural Drug Discovery and Development (CND3), University of San Agustin, Iloilo City 5000, Philippines;
- Department of Chemistry, University of San Agustin, Iloilo City 5000, Philippines
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2
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Ricciardelli A, Pollio A, Costantini M, Zupo V. Harmful and beneficial properties of cyanotoxins: Two sides of the same coin. Biotechnol Adv 2023; 68:108235. [PMID: 37567398 DOI: 10.1016/j.biotechadv.2023.108235] [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: 09/08/2022] [Revised: 07/25/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
Cyanotoxins are by definition "harmful agents" produced by cyanobacteria. Their toxicity has been extensively studied and reviewed over the years. Cyanotoxins have been commonly classified, based on their poisonous effects on mammals, into three main classes, neurotoxins, hepatotoxins and dermatotoxins, and, considering their chemical features, mainly identified as peptides, alkaloids and lipopolysaccharides. Here we propose a broader subdivision of cyanotoxins into eight distinct classes, taking into account their molecular structures, biosynthesis and modes of action: alkaloids, non-ribosomal peptides, polyketides, non-protein amino acids, indole alkaloids, organophosphates, lipopeptides and lipoglycans. For each class, the structures and primary mechanisms of toxicity of the main representative cyanotoxins are reported. Despite their powerful biological activities, only recently scientists have considered the biotechnological potential of cyanotoxins, and their applications both in medical and in industrial settings, even if only a few of these have reached the biotech market. In this perspective, we discuss the potential uses of cyanotoxins as anticancer, antimicrobial, and biocidal agents, as common applications for cytotoxic compounds. Furthermore, taking into account their mechanisms of action, we describe peculiar potential bioactivities for several cyanotoxin classes, such as local anaesthetics, antithrombotics, neuroplasticity promoters, immunomodulating and antifouling agents. In this review, we aim to stimulate research on the potential beneficial roles of cyanotoxins, which require interdisciplinary cooperation to facilitate the discovery of innovative biotechnologies.
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Affiliation(s)
- Annarita Ricciardelli
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte S. Angelo, via Cinthìa, 80125 Naples, Italy.
| | - Antonino Pollio
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte S. Angelo, via Cinthìa, 80125 Naples, Italy.
| | - Maria Costantini
- Ecosustainable Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, Via Ammiraglio Ferdinando Acton, 80133 Naples, Italy.
| | - Valerio Zupo
- Ecosustainable Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, Ischia Marine Centre, Punta San Pietro, 80077 Naples, Italy.
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3
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Silva IVG, Silva KL, Maia RC, Duarte HM, Coutinho R, Neves MHCB, Soares AR, Lopes GPF. Crosstalk between biological and chemical diversity with cytotoxic and cytostatic effects of Aphanothece halophytica in vitro. AN ACAD BRAS CIENC 2022; 94:e20211585. [PMID: 36515327 DOI: 10.1590/0001-3765202220211585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/04/2022] [Indexed: 12/14/2022] Open
Abstract
Different solvent extracts from Aphanothece halophytica (A. halophytica) were evaluated for their cytotoxic effects against four human cancer cell lines. The samples demonstrated different percentages of cyanobacteria species populations. The samples containing 100% A. halophytica and 90% A. halophytica showed a significant cytotoxic effect in human breast cancer cells MDA231. The cytostatic effect was demonstrated in MDA231 and human glioblastoma T98G cells regardless of the treatment, resulting in a significant cell cycle arrest in the S phase. The chemical profiles of the extracts were proven to be diverse in qualitative and quantitative compositions. This variability was dependent on the A. halophytica´s abundance in each extract. The 100% A. halophytica extract induced cytotoxic and cytostatic effects in breast cancer cells, and those could be associated with the predominance of fatty acids, hydrocarbons and phthalates, indicating that A. halophytica is an interesting source of novel compound with anticancer effect.
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Affiliation(s)
- Isabel V G Silva
- Programa Associado de Pós-Graduação em Biotecnologia Marinha, Instituto de Estudos do Mar Almirante Paulo Moreira (IEAPM)/Universidade Federal Fluminense (UFF), Rua Daniel Barreto, s/n, Praia dos Anjos, 28930-000 Arraial do Cabo, RJ, Brazil
| | - Karina L Silva
- Coordenação de Pesquisa, Instituto Nacional de Câncer (INCA), Rua André Cavalcanti, 37, Centro, 20321-050 Rio de Janeiro, RJ, Brazil
| | - Raquel C Maia
- Programa de Hemato-Oncologia Molecular, Instituto Nacional de Câncer (INCA), Praça da Cruz Vermelha, 23, Centro, 20230-130 Rio de Janeiro, RJ, Brazil
| | - Heitor M Duarte
- Programa Associado de Pós-Graduação em Biotecnologia Marinha, Instituto de Estudos do Mar Almirante Paulo Moreira (IEAPM)/Universidade Federal Fluminense (UFF), Rua Daniel Barreto, s/n, Praia dos Anjos, 28930-000 Arraial do Cabo, RJ, Brazil.,Grupo de Produtos Naturais de Organismos Aquáticos (GPNOA), Instituto de Biodiversidade e Sustentabilidade (NUPEM), Universidade Federal do Rio de Janeiro, Av. São José do Barreto, 764, São José do Barreto, 27965-045 Macaé, RJ, Brazil
| | - Ricardo Coutinho
- Programa Associado de Pós-Graduação em Biotecnologia Marinha, Instituto de Estudos do Mar Almirante Paulo Moreira (IEAPM)/Universidade Federal Fluminense (UFF), Rua Daniel Barreto, s/n, Praia dos Anjos, 28930-000 Arraial do Cabo, RJ, Brazil.,Instituto de Estudos do Mar Almirante Paulo Moreira, Departamento de Biotecnologia Marinha, Rua Kioto, 253, Praia dos Anjos, 28930-000 Arraial do Cabo, RJ, Brazil
| | - Maria Helena C B Neves
- Programa Associado de Pós-Graduação em Biotecnologia Marinha, Instituto de Estudos do Mar Almirante Paulo Moreira (IEAPM)/Universidade Federal Fluminense (UFF), Rua Daniel Barreto, s/n, Praia dos Anjos, 28930-000 Arraial do Cabo, RJ, Brazil.,Instituto de Estudos do Mar Almirante Paulo Moreira, Departamento de Biotecnologia Marinha, Rua Kioto, 253, Praia dos Anjos, 28930-000 Arraial do Cabo, RJ, Brazil
| | - Angelica R Soares
- Programa Associado de Pós-Graduação em Biotecnologia Marinha, Instituto de Estudos do Mar Almirante Paulo Moreira (IEAPM)/Universidade Federal Fluminense (UFF), Rua Daniel Barreto, s/n, Praia dos Anjos, 28930-000 Arraial do Cabo, RJ, Brazil.,Grupo de Produtos Naturais de Organismos Aquáticos (GPNOA), Instituto de Biodiversidade e Sustentabilidade (NUPEM), Universidade Federal do Rio de Janeiro, Av. São José do Barreto, 764, São José do Barreto, 27965-045 Macaé, RJ, Brazil
| | - Giselle P F Lopes
- Programa Associado de Pós-Graduação em Biotecnologia Marinha, Instituto de Estudos do Mar Almirante Paulo Moreira (IEAPM)/Universidade Federal Fluminense (UFF), Rua Daniel Barreto, s/n, Praia dos Anjos, 28930-000 Arraial do Cabo, RJ, Brazil.,Instituto de Estudos do Mar Almirante Paulo Moreira, Departamento de Biotecnologia Marinha, Rua Kioto, 253, Praia dos Anjos, 28930-000 Arraial do Cabo, RJ, Brazil
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4
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Shao N, Rodriguez J, Quintard A. Catalysis Driven Six-Step Synthesis of Apratoxin A Key Polyketide Fragment. Org Lett 2022; 24:6537-6542. [PMID: 36073851 DOI: 10.1021/acs.orglett.2c02482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Apratoxin A is a potent anticancer natural product whose key polyketide fragment constitutes a considerable challenge for organic synthesis, with five prior syntheses requiring 12 to 20 steps for its preparation. By combining different redox-economical catalytic stereoselective transformations, the key polyketide fragment could be rapidly prepared. Followed by a site-selective protection of the diol, this strategy enables the preparation of the apratoxin A fragment in only six steps, representing the shortest route to this polyketide.
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Affiliation(s)
- Na Shao
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13007 Marseille, France
| | - Jean Rodriguez
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13007 Marseille, France
| | - Adrien Quintard
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13007 Marseille, France.,Univ. Grenoble Alpes, CNRS, DCM, 38000 Grenoble, France
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5
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Rauf A, Khalil AA, Khan M, Anwar S, Alamri A, Alqarni AM, Alghamdi A, Alshammari F, Rengasamy KRR, Wan C. Can be marine bioactive peptides (MBAs) lead the future of foodomics for human health? Crit Rev Food Sci Nutr 2022; 62:7072-7116. [PMID: 33840324 DOI: 10.1080/10408398.2021.1910482] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Marine organisms are considered a cache of biologically active metabolites with pharmaceutical, functional, and nutraceutical properties. Among these, marine bioactive peptides (MBAs) present in diverse marine species (fish, sponges, cyanobacteria, fungi, ascidians, seaweeds, & mollusks) have acquired attention owing to their broad-spectrum health-promoting benefits. Nowadays, scientists are keener exploring marine bioactive peptides precisely due to their unique structural and biological properties. These MBAs have reported ameliorating potential against different diseases like hypertension, diabetes, obesity, HIV, cancer, oxidation, and inflammation. Furthermore, MBAs isolated from various marine organisms may also have a beneficial role in the cosmetic, nutraceutical, and food industries. Few marine peptides and their derivative are approved for commercial use, while many MBAs are in various pre-clinical and clinical trials. This review mainly focuses on the diversity of marine bioactive peptides in marine organisms and their production procedures, such as chemical and enzymatic hydrolysis. Moreover, MBAs' therapeutic and biological potential has also been critically discussed herein, along with their status in drug discovery, pre-clinical and clinical trials.
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Affiliation(s)
- Abdur Rauf
- Department of Chemistry, University of Swabi, Anbar, Khyber Pakhtunkhwa, Pakistan
| | - Anees Ahmed Khalil
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore, Lahore, Pakistan
| | - Muneeb Khan
- Department of Human Nutrition and Dietetics, Riphah College of Rehabilitation and Allied Health Sciences, Riphah International University, Lahore, Pakistan
| | - Sirajudheen Anwar
- Department of Pharmacology and Toxicology, University of Hail, Hail, Saudi Arabia
| | - Abdulwahab Alamri
- Department of Pharmacology and Toxicology, University of Hail, Hail, Saudi Arabia
| | - Abdulmalik M Alqarni
- Department of Pharmaceutical Chemistry, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Adel Alghamdi
- Pharmaceutical Chemistry Department, Faculty of Clinical Pharmacy, Al Baha University, Al Baha, Saudi Arabia
| | - Farhan Alshammari
- Department Of Pharmaceutics, College of Pharmacy, University of Hail, Hail, Saudi Arabia
| | - Kannan R R Rengasamy
- Green Biotechnologies Research Centre of Excellence, University of Limpopo, Polokwane, Sovenga, South Africa
| | - Chunpeng Wan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits & Vegetables, College of Agronomy, Jiangxi Agricultural University, Nanchang, People's Republic of China
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6
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Shahid A, Khurshid M, Aslam B, Muzammil S, Mehwish HM, Rajoka MSR, Hayat HF, Sarfraz MH, Razzaq MK, Nisar MA, Waseem M. Cyanobacteria derived compounds: Emerging drugs for cancer management. J Basic Microbiol 2021; 62:1125-1142. [PMID: 34747529 DOI: 10.1002/jobm.202100459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/11/2021] [Accepted: 10/22/2021] [Indexed: 11/06/2022]
Abstract
The wide diversity of cyanobacterial species and their role in a variety of biological activities have been reported in the previous few years. Cyanobacteria, especially from marine sources, constitutes a major source of biologically active metabolites that have gained great attention especially due to their anticancer potential. Numerous chemically diverse metabolites from various cyanobacterial species have been recognized to inhibit the growth and progression of tumor cells through the induction of apoptosis in many different types of cancers. These metabolites activate the apoptosis in the cancer cells by different molecular mechanisms, however, the dysregulation of the mitochondrial pathway, death receptors signaling pathways, and the activation of several caspases are the crucial mechanisms that got considerable interest. The array of metabolites and the range of mechanisms involved may also help to overcome the resistance acquired by the different tumor types against the ongoing therapeutic agents. Therefore, the primary or secondary metabolites from the cyanobacteria as well as their synthetic derivates could be used to develop novel anticancer drugs alone or in combination with other chemotherapeutic agents. In this study, we have discussed the role of cyanobacterial metabolites in the induction of cytotoxicity and the potential to inhibit the growth of cancer cells through the induction of apoptosis, cell signaling alteration, oxidative damage, and mitochondrial dysfunctions. Moreover, the various metabolites produced by cyanobacteria have been summarized with their anticancer mechanisms. Furthermore, the ongoing trials and future developments for the therapeutic implications of these compounds in cancer therapy have been discussed.
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Affiliation(s)
- Aqsa Shahid
- Faculty of Rehabilitation and Allied Health Sciences, Riphah International University, Faisalabad, Pakistan
| | - Mohsin Khurshid
- Department of Microbiology, Government College University, Faisalabad, Pakistan
| | - Bilal Aslam
- Department of Microbiology, Government College University, Faisalabad, Pakistan
| | - Saima Muzammil
- Department of Microbiology, Government College University, Faisalabad, Pakistan
| | | | - Muhammad Shahid Riaz Rajoka
- School of Basic Medicine, Health Science Center, Shenzhen University, Shenzhen, China.,Food and Feed Immunology Group, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Hafiz Fakhar Hayat
- Department of Microbiology, Government College University, Faisalabad, Pakistan
| | | | - Muhammad Khuram Razzaq
- Soybean Research Institute, National Center for Soybean Improvement, Nanjing Agricultural University, Nanjing, China
| | - Muhammad Atif Nisar
- Department of Microbiology, Government College University, Faisalabad, Pakistan.,College of Science and Engineering, Flinders University, Bedford Park, Australia
| | - Muhammad Waseem
- Department of Microbiology, Government College University, Faisalabad, Pakistan
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7
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Andler O, Kazmaier U. Total synthesis of apratoxin A and B using Matteson's homologation approach. Org Biomol Chem 2021; 19:4866-4870. [PMID: 33998628 DOI: 10.1039/d1ob00713k] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Apratoxin A and B, two members of an interesting class of marine cyclodepsipeptides are synthesized in a straightforward manner via Matteson homologation. Starting from a chiral boronic ester, the polyketide fragment of the apratoxins was obtained via five successive homologation steps in an overall yield of 27% and very good diastereoselectivity. This approach is highly flexible and should allow modification also of this part of the natural products, while previous modifications have been carried out mainly in the peptide fragment.
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Affiliation(s)
- Oliver Andler
- Organic Chemistry, Saarland University, P.O. Box 151150, 66041 Saarbrücken, Germany.
| | - Uli Kazmaier
- Organic Chemistry, Saarland University, P.O. Box 151150, 66041 Saarbrücken, Germany.
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8
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Masuda Y. Bioactive 3D structures of naturally occurring peptides and their application in drug design. Biosci Biotechnol Biochem 2021; 85:24-32. [PMID: 33577656 DOI: 10.1093/bbb/zbaa008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 09/10/2020] [Indexed: 11/14/2022]
Abstract
Naturally occurring peptides form unique 3D structures, which are critical for their bioactivities. To gain useful insights into drug design, the relationship between the 3D structure and bioactivity of the peptides has been studied. Solid-state nuclear magnetic resonance (NMR) analysis of the 42-residue amyloid β-protein (Aβ42) suggested the presence of toxic conformers with a turn structure at positions 22 and 23 in the aggregates. Antibodies specific to this turn structure could be utilized for immunotherapy and early diagnosis of Alzheimer's disease. Solution NMR analysis of apratoxin A, a cyclic depsipeptide with potent cytotoxicity, proposed an accurate structural model with an important bend structure, which led to the development of highly active mimetics. X-ray crystal analysis of PF1171F, a cyclic hexapeptide with insecticidal activity, indicated the formation of 4 intramolecular hydrogen bonds, which play an important role in cell membrane permeability of PF1171F.
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Affiliation(s)
- Yuichi Masuda
- Graduate School of Bioresources, Mie University, Tsu, Japan
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9
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Mondal A, Bose S, Banerjee S, Patra JK, Malik J, Mandal SK, Kilpatrick KL, Das G, Kerry RG, Fimognari C, Bishayee A. Marine Cyanobacteria and Microalgae Metabolites-A Rich Source of Potential Anticancer Drugs. Mar Drugs 2020; 18:E476. [PMID: 32961827 PMCID: PMC7551136 DOI: 10.3390/md18090476] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 09/09/2020] [Accepted: 09/16/2020] [Indexed: 02/07/2023] Open
Abstract
Cancer is at present one of the utmost deadly diseases worldwide. Past efforts in cancer research have focused on natural medicinal products. Over the past decades, a great deal of initiatives was invested towards isolating and identifying new marine metabolites via pharmaceutical companies, and research institutions in general. Secondary marine metabolites are looked at as a favorable source of potentially new pharmaceutically active compounds, having a vast structural diversity and diverse biological activities; therefore, this is an astonishing source of potentially new anticancer therapy. This review contains an extensive critical discussion on the potential of marine microbial compounds and marine microalgae metabolites as anticancer drugs, highlighting their chemical structure and exploring the underlying mechanisms of action. Current limitation, challenges, and future research pathways were also presented.
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Affiliation(s)
- Arijit Mondal
- Department of Pharmaceutical Chemistry, Bengal College of Pharmaceutical Technology, Dubrajpur 731 123, West Bengal, India
| | - Sankhadip Bose
- Department of Pharmacognosy, Bengal School of Technology, Chuchura 712 102, West Bengal, India;
| | - Sabyasachi Banerjee
- Department of Phytochemistry, Gupta College of Technological Sciences, Asansol 713 301, West Bengal, India;
| | - Jayanta Kumar Patra
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Goyang-si 10326, Korea; (J.K.P.); (G.D.)
| | - Jai Malik
- Centre of Advanced Study, University Institute of Pharmaceutical Sciences, Punjab University, Chandigarh 160 014, Punjab, India;
| | - Sudip Kumar Mandal
- Department of Pharmaceutical Chemistry, Dr. B.C. Roy College of Pharmacy and Allied Health Sciences, Durgapur 713 206, West Bengal, India;
| | | | - Gitishree Das
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Goyang-si 10326, Korea; (J.K.P.); (G.D.)
| | - Rout George Kerry
- Post Graduate Department of Biotechnology, Utkal University, Bhubaneswar 751 004, Odisha, India;
| | - Carmela Fimognari
- Department for Life Quality Studies, Alma Mater Studiorum-Università di Bologna, 47921 Rimini, Italy
| | - Anupam Bishayee
- Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA;
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10
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Bilal M, Iqbal HMN. Biologically active macromolecules: Extraction strategies, therapeutic potential and biomedical perspective. Int J Biol Macromol 2020; 151:1-18. [PMID: 32035954 DOI: 10.1016/j.ijbiomac.2020.02.037] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/31/2020] [Accepted: 02/05/2020] [Indexed: 02/05/2023]
Abstract
Marine biome exhibits an immense essence of excellence and enriched with high-value bioactive compounds of therapeutic and biomedical value. During the past several years, an array of biologically active molecules has been extracted/isolated and purified from numerous sources of marine origin with the aid of distinct techniques and methodologies for newer applications. The growing demand for bioactive molecules with unique functionalities in various industrial divisions, such as therapeutic sectors and biomedical, has endorsed the necessity for highly suitable and standardized strategies to extract these bioactive components using a state-of-the-art and inexpensive measures. This is also because many in practice conventional extraction methodologies suffer from processing limitations and low-yield issues. Besides that, other major issues include (i) decrease efficacy, (ii) excessive energy cost, (iii) low yield, (iv) lower cost-effective ratio, (v) minimal selectivity, (vi) low activity, and (vii) stability, etc. In this context, there is an urgent need for new and robust extraction strategies. The synergies of modern extraction techniques with efficient and novel pretreatment approaches, such as the integration of enzymes, accompanied by conventional extraction processes, should be the utmost goal of current research and development studies. The typical effectivity of the extraction techniques mostly relies on these points, i.e., (i) know-how about the source nature and type, (ii) understanding the structural and compositional profile, (iii) influence of the processing factors, (iv) interplay between the extraction conditions and the end-product, (v) understanding the available functional entities, (vi) reaction chemistry of the extract bioactive compounds, and (vii) effective exploitation of the end-product in the marketplace. Marine biome, among numerous naturally occurring sources, has been appeared an immense essence of excellence to isolate an array of biologically active constituents with medicinal values and related point-of-care applications. Herein, we reviewed the salient information covering various therapeutic potential and biomedical perspectives. Following a brief introduction and marine pharmacognosy, an array of high-value biomolecules of marine origin are discussed with suitable examples. From the robust extraction strategies viewpoint, a part of the review focuses on three techniques, i.e., (1) enzyme-assisted extraction (EAE), (2) supercritical-fluid extraction (SFE), and (3) microwave-assisted extraction (MAE). Each technique is further enriched with processing and workflow environment. The later part of the review is mainly focused on the therapeutic and biomedical perspectives of under-reviewed bio-active compounds or biomolecules. The previous and latest research on the anticancer, skin curative, cardio-protective, immunomodulatory and UV-protectant potentialities of marine-derived biologically active entities have been summarized with suitable examples and related pathways illustrations. Finally, the work is wrapped-up with current research challenges, future aspects, and concluding remarks.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico.
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11
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Doi T, Onda Y, Fukushi K, Ohsawa K, Yoshida M, Masuda Y. Synthesis of a Biphenylalanine Analogue of Apratoxin A Displaying Substantially Enhanced Cytotoxicity. HETEROCYCLES 2020. [DOI: 10.3987/com-19-s(f)35] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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Khalifa SAM, Elias N, Farag MA, Chen L, Saeed A, Hegazy MEF, Moustafa MS, Abd El-Wahed A, Al-Mousawi SM, Musharraf SG, Chang FR, Iwasaki A, Suenaga K, Alajlani M, Göransson U, El-Seedi HR. Marine Natural Products: A Source of Novel Anticancer Drugs. Mar Drugs 2019; 17:E491. [PMID: 31443597 PMCID: PMC6780632 DOI: 10.3390/md17090491] [Citation(s) in RCA: 265] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/11/2019] [Accepted: 08/16/2019] [Indexed: 02/06/2023] Open
Abstract
Cancer remains one of the most lethal diseases worldwide. There is an urgent need for new drugs with novel modes of action and thus considerable research has been conducted for new anticancer drugs from natural sources, especially plants, microbes and marine organisms. Marine populations represent reservoirs of novel bioactive metabolites with diverse groups of chemical structures. This review highlights the impact of marine organisms, with particular emphasis on marine plants, algae, bacteria, actinomycetes, fungi, sponges and soft corals. Anti-cancer effects of marine natural products in in vitro and in vivo studies were first introduced; their activity in the prevention of tumor formation and the related compound-induced apoptosis and cytotoxicities were tackled. The possible molecular mechanisms behind the biological effects are also presented. The review highlights the diversity of marine organisms, novel chemical structures, and chemical property space. Finally, therapeutic strategies and the present use of marine-derived components, its future direction and limitations are discussed.
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Affiliation(s)
- Shaden A M Khalifa
- Clinical Research Centre, Karolinska University Hospital, Novum, 14157 Huddinge, Stockholm, Sweden
- Department of Molecular Biosciences, the Wenner-Gren Institute, Stockholm University, SE 106 91 Stockholm, Sweden
| | - Nizar Elias
- Department of Laboratory Medicine, Faculty of Medicine, University of Kalamoon, P.O. Box 222 Dayr Atiyah, Syria
| | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr el Aini St., P.B. 11562 Cairo, Egypt
- Department of Chemistry, School of Sciences & Engineering, The American University in Cairo, 11835 New Cairo, Egypt
| | - Lei Chen
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Aamer Saeed
- Department of Chemitry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Mohamed-Elamir F Hegazy
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Staudingerweg 5, 55128 Mainz, Germany
- Chemistry of Medicinal Plants Department, National Research Centre, 33 El-Bohouth St., Dokki, 12622 Giza, Egypt
| | - Moustafa S Moustafa
- Department of Chemistry, Faculty of Science, University of Kuwait, 13060 Safat, Kuwait
| | - Aida Abd El-Wahed
- Department of Chemistry, Faculty of Science, University of Kuwait, 13060 Safat, Kuwait
| | - Saleh M Al-Mousawi
- Department of Chemistry, Faculty of Science, University of Kuwait, 13060 Safat, Kuwait
| | - Syed G Musharraf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi 75270, Pakistan
| | - Fang-Rong Chang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Arihiro Iwasaki
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama 223-8522, Japan
| | - Kiyotake Suenaga
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama 223-8522, Japan
| | - Muaaz Alajlani
- Department of Pharmaceutical Biology/Pharmacognosy, Institute of Pharmacy, University of HalleWittenberg, Hoher Weg 8, DE 06120 Halle (Saale), Germany
- Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75 123 Uppsala, Sweden
| | - Ulf Göransson
- Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75 123 Uppsala, Sweden
| | - Hesham R El-Seedi
- Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75 123 Uppsala, Sweden.
- Department of Chemistry, Faculty of Science, Menoufia University, 32512 Shebin El-Koom, Egypt.
- College of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
- Al-Rayan Research and Innovation Center, Al-Rayan Colleges, 42541 Medina, Saudi Arabia.
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13
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Khalifa SAM, Elias N, Farag MA, Chen L, Saeed A, Hegazy MEF, Moustafa MS, Abd El-Wahed A, Al-Mousawi SM, Musharraf SG, Chang FR, Iwasaki A, Suenaga K, Alajlani M, Göransson U, El-Seedi HR. Marine Natural Products: A Source of Novel Anticancer Drugs. Mar Drugs 2019; 17:491. [DOI: https:/doi.org/10.3390/md17090491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023] Open
Abstract
Cancer remains one of the most lethal diseases worldwide. There is an urgent need for new drugs with novel modes of action and thus considerable research has been conducted for new anticancer drugs from natural sources, especially plants, microbes and marine organisms. Marine populations represent reservoirs of novel bioactive metabolites with diverse groups of chemical structures. This review highlights the impact of marine organisms, with particular emphasis on marine plants, algae, bacteria, actinomycetes, fungi, sponges and soft corals. Anti-cancer effects of marine natural products in in vitro and in vivo studies were first introduced; their activity in the prevention of tumor formation and the related compound-induced apoptosis and cytotoxicities were tackled. The possible molecular mechanisms behind the biological effects are also presented. The review highlights the diversity of marine organisms, novel chemical structures, and chemical property space. Finally, therapeutic strategies and the present use of marine-derived components, its future direction and limitations are discussed.
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14
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Appavoo SD, Huh S, Diaz DB, Yudin AK. Conformational Control of Macrocycles by Remote Structural Modification. Chem Rev 2019; 119:9724-9752. [DOI: 10.1021/acs.chemrev.8b00742] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Solomon D. Appavoo
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| | - Sungjoon Huh
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| | - Diego B. Diaz
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
| | - Andrei K. Yudin
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, Canada M5S 3H6
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15
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Butler E, Florentino L, Cornut D, Gomez-Campillos G, Liu H, Regan AC, Thomas EJ. Synthesis of macrocyclic precursors of the vioprolides. Org Biomol Chem 2019; 16:6935-6960. [PMID: 30226509 DOI: 10.1039/c8ob01756e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The vioprolides are novel depsipeptides that have not been synthesized. However, they have been identified as important targets for synthesis because of their novel biological activities and challenging chemical structures. Following early work on the synthesis of a modified tetrapeptide that contained both the (E)-dehydrobutyrine and thiazoline components of vioprolide D, problems were encountered in taking an (E)-dehydrobutyrine containing intermediate further into the synthesis. A second approach to vioprolides and analogues was therefore investigated in which (E)- and (Z)-dehydrobutyrines were to be introduced by selenoxide elimination very late in the synthesis. A convergent approach to advanced macrocyclic precursors of the vioprolides was then completed using a modified hexapeptide and a dipeptidyl glycerate. In this work, it was necessary to protect the 2-hydroxyl group of the glycerate as its acetate and not as its 2,2,2-trichloroethoxycarbonate. Preliminary studies were carried out on the introduction of the required dehydrobutyrine and thiazoline components into advanced intermediates.
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Affiliation(s)
- Eibhlin Butler
- The School of Chemistry, The University of Manchester, Manchester, M13 9PL, UK.
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16
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Koszelewski D, Borys F, Brodzka A, Ostaszewski R. Synthesis of Enantiomerically Pure 5,6-Dihydropyran-2-ones via Chemoenzymatic Sequential DKR-RCM Reaction. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801819] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Dominik Koszelewski
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Filip Borys
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Anna Brodzka
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Ryszard Ostaszewski
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
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17
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Abstract
This review describes a selection of macrocyclic natural products and structurally modified analogs containing peptidic and non-peptidic elements as structural features that potentially modulate cellular permeability. Examples range from exclusively peptidic structures like cyclosporin A or phepropeptins to compounds with mostly non-peptidic character, such as telomestatin or largazole. Furthermore, semisynthetic approaches and synthesis platforms to generate general and focused libraries of compounds at the interface of cyclic peptides and non-peptidic macrocycles are discussed.
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18
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19
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Therapeutic Properties and Biological Benefits of Marine-Derived Anticancer Peptides. Int J Mol Sci 2018; 19:ijms19030919. [PMID: 29558431 PMCID: PMC5877780 DOI: 10.3390/ijms19030919] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 03/07/2018] [Accepted: 03/16/2018] [Indexed: 01/01/2023] Open
Abstract
Various organisms exist in the oceanic environment. These marine organisms provide an abundant source of potential medicines. Many marine peptides possess anticancer properties, some of which have been evaluated for treatment of human cancer in clinical trials. Marine anticancer peptides kill cancer cells through different mechanisms, such as apoptosis, disruption of the tubulin-microtubule balance, and inhibition of angiogenesis. Traditional chemotherapeutic agents have side effects and depress immune responses. Thus, the research and development of novel anticancer peptides with low toxicity to normal human cells and mechanisms of action capable of avoiding multi-drug resistance may provide a new method for anticancer treatment. This review provides useful information on the potential of marine anticancer peptides for human therapy.
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Quintard A, Rodriguez J. Catalytic enantioselective OFF ↔ ON activation processes initiated by hydrogen transfer: concepts and challenges. Chem Commun (Camb) 2018; 52:10456-73. [PMID: 27381644 DOI: 10.1039/c6cc03486a] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Hydrogen transfer initiated processes are eco-compatible transformations allowing the reversible OFF ↔ ON activation of otherwise unreactive substrates. The minimization of stoichiometric waste as well as the unique activation modes provided by these transformations make them key players for a greener future for organic synthesis. Long limited to catalytic reactions that form racemic products, considerable progress on the development of strategies for controlling diastereo- and enantioselectivity has been made in the last decade. The aim of this review is to present the different strategies that enable enantioselective transformations of this type and to highlight how they can be used to construct key synthetic building blocks in fewer operations with less waste generation.
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Affiliation(s)
- Adrien Quintard
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
| | - Jean Rodriguez
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
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21
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Cai W, Chen QY, Dang LH, Luesch H. Apratoxin S10, a Dual Inhibitor of Angiogenesis and Cancer Cell Growth To Treat Highly Vascularized Tumors. ACS Med Chem Lett 2017; 8:1007-1012. [PMID: 29057042 DOI: 10.1021/acsmedchemlett.7b00192] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 09/06/2017] [Indexed: 11/30/2022] Open
Abstract
Renal, hepatocellular, and neuroendocrine carcinomas are known as highly vascularized tumors. Although vascular endothelial growth factor A (VEGF-A)-targeted therapies have shown efficacy in the treatment of these cancers, drug resistance is a major concern and might be mediated by interleukin 6 (IL-6). Furthermore, upon antiangiogenic drug exposure, tumor cells may adapt to survive in a vascular-independent manner. Apratoxins are potent marine-derived cytotoxic in vivo-active agents, preventing cotranslational translocation in the secretory pathway, and show promise to overcome resistance by targeting angiogenesis and tumor growth simultaneously. We designed and synthesized a novel apratoxin analogue, apratoxin S10, with a balanced potency and stability as well as synthetic accessibility and scalability. We showed that apratoxin S10 potently inhibits both angiogenesis in vitro and growth of cancer cells from vascularized tumors. Apratoxin S10 down-regulated vascular endothelial growth factor receptor 2 (VEGFR2) on endothelial cells and blocked the secretion of VEGF-A and IL-6 from cancer cells. It inhibited cancer cell growth through down-regulation of multiple receptor tyrosine kinases (RTKs) and compares favorably to currently approved RTK inhibitors in both angiogenesis and cancer cell growth.
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Affiliation(s)
- Weijing Cai
- Department
of Medicinal Chemistry, ‡Center for Natural Products, Drug Discovery
and Development (CNPD3), and ∥Department of Medicine, University of Florida, Gainesville, Florida 32610, United States
| | - Qi-Yin Chen
- Department
of Medicinal Chemistry, ‡Center for Natural Products, Drug Discovery
and Development (CNPD3), and ∥Department of Medicine, University of Florida, Gainesville, Florida 32610, United States
| | - Long H. Dang
- Department
of Medicinal Chemistry, ‡Center for Natural Products, Drug Discovery
and Development (CNPD3), and ∥Department of Medicine, University of Florida, Gainesville, Florida 32610, United States
| | - Hendrik Luesch
- Department
of Medicinal Chemistry, ‡Center for Natural Products, Drug Discovery
and Development (CNPD3), and ∥Department of Medicine, University of Florida, Gainesville, Florida 32610, United States
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22
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Wu P, Xu H, Li Z, Zhou Y, Li Y, Zhang W. Synthesis and biological evaluation of oxoapratoxin E and its C30 epimer. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.07.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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23
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Onda Y, Masuda Y, Yoshida M, Doi T. Conformation-Based Design and Synthesis of Apratoxin A Mimetics Modified at the α,β-Unsaturated Thiazoline Moiety. J Med Chem 2017; 60:6751-6765. [DOI: 10.1021/acs.jmedchem.7b00833] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yuichi Onda
- Graduate School
of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba, Aramaki,
Aoba-ku, Sendai, Miyagi 980-8578, Japan
- Mitsubishi Tanabe Pharma Corporation, 2-2-50,
Kawagishi, Toda-shi, Saitama 335-8505, Japan
| | - Yuichi Masuda
- Graduate School
of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba, Aramaki,
Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Masahito Yoshida
- Graduate School
of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba, Aramaki,
Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Takayuki Doi
- Graduate School
of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba, Aramaki,
Aoba-ku, Sendai, Miyagi 980-8578, Japan
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24
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Koszelewski D, Paprocki D, Brodzka A, Ostaszewski R. Enzyme mediated kinetic resolution of δ-hydroxy-α,β-unsaturated esters as a route to optically active δ-lactones. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.tetasy.2017.05.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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25
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Yoshida M, Onda Y, Masuda Y, Doi T. Potent oxazoline analog of apratoxin C: Synthesis, biological evaluation, and conformational analysis. Biopolymers 2016; 106:404-14. [PMID: 26584466 DOI: 10.1002/bip.22781] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 10/29/2015] [Accepted: 11/02/2015] [Indexed: 11/06/2022]
Abstract
In this research, the synthesis, biological evaluation, and conformational analysis of an apratoxin C oxazoline analog (3) have been demonstrated. The preparation of synthetic key intermediate 9 was achieved using an improved strategy that involves commercially available 3-methylglutaric anhydride (12), an enzymatic enantioselective alcoholysis, and a diastereoselective reduction. The Pro-Dtrina (3,7-dihydroxy-2,5,8-trimethylnonanoic acid) moiety 8 was successfully synthesized in a similar manner as our previously reported synthesis of apratoxin C (1). The cyclization precursor 5 was formed after the coupling of Pro-Dtrina 8 with a known tetrapeptide 7 to afford a linear peptide 6, the formation of an oxazoline, and the removal of the protecting groups. Finally, the macrolactamization of 5 with O-(7-aza-1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate (HATU)/N,N-diisopropylethylamine (DIEA) furnished an apratoxin C oxazoline analog (3), which exhibited a potent cytotoxicity against HeLa cells (IC50 value of 22 nM) that was comparable with the cytotoxicity of apratoxin C (1) (IC50 value of 4.2 nM). Conformational analyses of 1 and 3 through NMR experiments showed that oxazoline analog 3 formed a tertiary structure that was similar to the apratoxin C (1) structure in CD3 CN, which provided a probable explanation for their comparable cytotoxicities. © 2015 Wiley Periodicals, Inc. Biopolymers (Pept Sci) 106: 404-414, 2016.
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Affiliation(s)
- Masahito Yoshida
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba, Aramaki, Aoba-Ku, Sendai, 980-8578, Japan
| | - Yuichi Onda
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba, Aramaki, Aoba-Ku, Sendai, 980-8578, Japan.,Mitsubishi Tanabe Pharma Corporation, 2-2-50 Kawagishi, Toda-Shi, Saitama, 335-8505, Japan
| | - Yuichi Masuda
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba, Aramaki, Aoba-Ku, Sendai, 980-8578, Japan
| | - Takayuki Doi
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba, Aramaki, Aoba-Ku, Sendai, 980-8578, Japan
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26
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Mao ZY, Si CM, Liu YW, Dong HQ, Wei BG, Lin GQ. Asymmetric Synthesis of Apratoxin E. J Org Chem 2016; 81:9903-9911. [DOI: 10.1021/acs.joc.6b02086] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhuo-Ya Mao
- Department
of Natural Products Chemistry, School of Pharmacy, Fudan University, 826
Zhangheng Road, Shanghai 201203, China
- Institutes
of Biomedical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Chang-Mei Si
- Department
of Natural Products Chemistry, School of Pharmacy, Fudan University, 826
Zhangheng Road, Shanghai 201203, China
| | - Yi-Wen Liu
- Institutes
of Biomedical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Han-Qing Dong
- Institutes
of Biomedical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Bang-Guo Wei
- Department
of Natural Products Chemistry, School of Pharmacy, Fudan University, 826
Zhangheng Road, Shanghai 201203, China
| | - Guo-Qiang Lin
- Department
of Natural Products Chemistry, School of Pharmacy, Fudan University, 826
Zhangheng Road, Shanghai 201203, China
- Institutes
of Biomedical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China
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27
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Freitas S, Martins R, Campos A, Azevedo J, Osório H, Costa M, Barros P, Vasconcelos V, Urbatzka R. Insights into the potential of picoplanktonic marine cyanobacteria strains for cancer therapies – Cytotoxic mechanisms against the RKO colon cancer cell line. Toxicon 2016; 119:140-51. [DOI: 10.1016/j.toxicon.2016.05.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 04/19/2016] [Accepted: 05/26/2016] [Indexed: 12/19/2022]
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28
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Yin R, Zhang W, Liu G, Wu P, Lau C, Li Y. Synthesis, conformational analysis and biological evaluation of the lactam analogue of the cyclodepsipeptide apratoxin A. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.04.050] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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29
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Huang KC, Chen Z, Jiang Y, Akare S, Kolber-Simonds D, Condon K, Agoulnik S, Tendyke K, Shen Y, Wu KM, Mathieu S, Choi HW, Zhu X, Shimizu H, Kotake Y, Gerwick WH, Uenaka T, Woodall-Jappe M, Nomoto K. Apratoxin A Shows Novel Pancreas-Targeting Activity through the Binding of Sec 61. Mol Cancer Ther 2016; 15:1208-16. [PMID: 27196783 DOI: 10.1158/1535-7163.mct-15-0648] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 03/16/2016] [Indexed: 11/16/2022]
Abstract
Apratoxin A is a natural product with potent antiproliferative activity against many human cancer cell lines. However, we and other investigators observed that it has a narrow therapeutic window in vivo Previous mechanistic studies have suggested its involvement in the secretory pathway as well as the process of chaperone-mediated autophagy. Still the link between the biologic activities of apratoxin A and its in vivo toxicity has remained largely unknown. A better understanding of this relationship is critically important for any further development of apratoxin A as an anticancer drug. Here, we describe a detailed pathologic analysis that revealed a specific pancreas-targeting activity of apratoxin A, such that severe pancreatic atrophy was observed in apratoxin A-treated animals. Follow-up tissue distribution studies further uncovered a unique drug distribution profile for apratoxin A, showing high drug exposure in pancreas and salivary gland. It has been shown previously that apratoxin A inhibits the protein secretory pathway by preventing cotranslational translocation. However, the molecule targeted by apratoxin A in this pathway has not been well defined. By using a (3)H-labeled apratoxin A probe and specific Sec 61α/β antibodies, we identified that the Sec 61 complex is the molecular target of apratoxin A. We conclude that apratoxin A in vivo toxicity is likely caused by pancreas atrophy due to high apratoxin A exposure. Mol Cancer Ther; 15(6); 1208-16. ©2016 AACR.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - William H Gerwick
- Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography and the Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, California
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30
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31
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Tarsis EM, Rastelli EJ, Wengryniuk SE, Coltart DM. The apratoxin marine natural products: isolation, structure determination, and asymmetric total synthesis. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.05.047] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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32
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Swain SS, Padhy RN, Singh PK. Anticancer compounds from cyanobacterium Lyngbya species: a review. Antonie van Leeuwenhoek 2015; 108:223-65. [DOI: 10.1007/s10482-015-0487-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Accepted: 05/19/2015] [Indexed: 10/23/2022]
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33
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Dey S, Wengryniuk SE, Tarsis EM, Robertson BD, Zhou G, Coltart DM. A formal asymmetric synthesis of apratoxin D via advanced-stage asymmetric ACC α,α-bisalkylation of a chiral nonracemic ketone. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.04.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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34
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Mineyeva IV, Masyuk VS, Kovalenko VN, Bandarenko MM. (4S,6R)-4-methyl-6-pentyltetrahydro-2H-pyran-2-one as an efficient intermediate in the preparation of chiral building blocks with methyl-branched carbon skeleton. Application to the synthesis of bioactive compounds. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2014. [DOI: 10.1134/s1070428014110141] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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35
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Wadsworth AD, Furkert DP, Brimble MA. Total synthesis of the macrocyclic N-Methyl enamides palmyrolide A and 2S-sanctolide A. J Org Chem 2014; 79:11179-93. [PMID: 25369466 DOI: 10.1021/jo502238r] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Full details of the total syntheses of the initially reported and revised structures of the neuroprotective agent palmyrolide A are reported. The key macrocyclization step was achieved using a sequential ring-closing metathesis/olefin isomerization reaction. Furthermore, the total synthesis of the related macrolide (2S)-sanctolide A is reported. The synthesis used key elements from the synthesis of palmyrolide A, including the RCM/olefin isomerization sequence. The synthetic work described herein serves to facilitate the assignment of stereochemistry of the natural product sanctolide A and demonstrates the utility of this approach for the synthesis of macrocyclic tertiary enamide natural products.
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Affiliation(s)
- Andrew D Wadsworth
- Maurice Wilkins Centre for Molecular Biodiscovery, School of Chemical Sciences, University of Auckland , 23 Symonds Street, Auckland 1142, New Zealand
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36
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Dey G, Bharti R, Sen R, Mandal M. Microbial amphiphiles: a class of promising new-generation anticancer agents. Drug Discov Today 2014; 20:136-46. [PMID: 25241656 DOI: 10.1016/j.drudis.2014.09.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Revised: 08/14/2014] [Accepted: 09/10/2014] [Indexed: 12/15/2022]
Abstract
Developing new classes of anticancer molecules has always been a major scientific challenge owing to multidrug resistance of cancer cells to conventional chemotherapeutic agents. Microbial amphiphiles, particularly lipopeptides and glycolipids, have recently emerged as potential new-generation anticancer agents, owing to low toxicity, high efficacy and easy biodegradability. They exhibit anticancer activities by retarding cell cycle progression, inhibiting crucial signaling pathways such as Akt, extracellular signal-regulated kinase/c-Jun N-terminal kinase (ERK/JNK) and Janus kinase/signal transducer and activator of transcription (JAK/STAT), reducing angiogenesis, activating natural killer T (NKT) cells and inducing apoptosis through death receptors in cancer cells. It has been well established that the oncogenic signals of cancer cells are amplified by the overexpression of various membrane-bound receptors such as epidermal growth factor receptor (EGFR), vascular endothelial growth factor receptor (VEGFR), platelet-derived growth factor receptor (PDGFR) and insulin-like growth factor receptor (IGFR). Microbial amphiphiles, upon interaction with the cell membrane, are believed to suppress the activities of these cell surface receptors by fatty acid chain mediated membrane destabilization. This review analyzes the modes and mechanisms of action of these green molecules for application as potential anticancer agents.
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Affiliation(s)
- Goutam Dey
- School of Medical Science & Technology, Indian Institute of Technology Kharagpur, India
| | - Rashmi Bharti
- School of Medical Science & Technology, Indian Institute of Technology Kharagpur, India
| | - Ramkrishna Sen
- Department of Biotechnology, Indian Institute of Technology Kharagpur, India.
| | - Mahitosh Mandal
- School of Medical Science & Technology, Indian Institute of Technology Kharagpur, India.
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Masuda Y, Suzuki J, Onda Y, Fujino Y, Yoshida M, Doi T. Total Synthesis and Conformational Analysis of Apratoxin C. J Org Chem 2014; 79:8000-9. [DOI: 10.1021/jo501130b] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yuichi Masuda
- Graduate
School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Jun Suzuki
- Graduate
School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Yuichi Onda
- Graduate
School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
- Mitsubishi Tanabe
Pharma Corporation, 2-2-50, Kawagishi,
Toda-shi, Saitama 335-8505, Japan
| | - Yuta Fujino
- Graduate
School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Masahito Yoshida
- Graduate
School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Takayuki Doi
- Graduate
School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba,
Aramaki, Aoba-ku, Sendai 980-8578, Japan
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38
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Roudier M, Constantieux T, Quintard A, Rodriguez J. Enantioselective Cascade Formal Reductive Insertion of Allylic Alcohols into the C(O)–C Bond of 1,3-Diketones: Ready Access to Synthetically Valuable 3-Alkylpentanol Units. Org Lett 2014; 16:2802-5. [DOI: 10.1021/ol500821c] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Mylène Roudier
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR 7313, 13397 Marseille, France
| | - Thierry Constantieux
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR 7313, 13397 Marseille, France
| | - Adrien Quintard
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR 7313, 13397 Marseille, France
| | - Jean Rodriguez
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR 7313, 13397 Marseille, France
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Chen QY, Liu Y, Cai W, Luesch H. Improved total synthesis and biological evaluation of potent apratoxin S4 based anticancer agents with differential stability and further enhanced activity. J Med Chem 2014; 57:3011-29. [PMID: 24660812 PMCID: PMC3993931 DOI: 10.1021/jm4019965] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Apratoxins are cytotoxic natural products originally isolated from marine cyanobacteria that act by preventing cotranslational translocation early in the secretory pathway to downregulate receptor levels and inhibit growth factor secretion, leading to potent antiproliferative activity. Through rational design and total synthesis of an apratoxin A/E hybrid, apratoxin S4 (1a), we have previously improved the antitumor activity and tolerability in vivo. Compound 1a and newly designed analogues apratoxins S7-S9 (1b-d), with various degrees of methylation at C34 (1b,c) or epimeric configuration at C30 (1d), were efficiently synthesized utilizing improved procedures. Optimizations have been applied to the synthesis of key intermediate aldehyde 7 and further include the application of Leighton's silanes and modifications of Kelly's methods to induce thiazoline ring formation in other crucial steps of the apratoxin synthesis. Apratoxin S9 (1d) exhibited increased activity with subnanomolar potency. Apratoxin S8 (1c) lacks the propensity to be deactivated by dehydration and showed efficacy in a human HCT116 xenograft mouse model.
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Affiliation(s)
- Qi-Yin Chen
- Department of Medicinal Chemistry and ‡Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida , Gainesville, Florida, United States
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40
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Mulder KCL, Lima LA, Miranda VJ, Dias SC, Franco OL. Current scenario of peptide-based drugs: the key roles of cationic antitumor and antiviral peptides. Front Microbiol 2013; 4:321. [PMID: 24198814 PMCID: PMC3813893 DOI: 10.3389/fmicb.2013.00321] [Citation(s) in RCA: 134] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Accepted: 10/11/2013] [Indexed: 01/21/2023] Open
Abstract
Cationic antimicrobial peptides (AMPs) and host defense peptides (HDPs) show vast potential as peptide-based drugs. Great effort has been made in order to exploit their mechanisms of action, aiming to identify their targets as well as to enhance their activity and bioavailability. In this review, we will focus on both naturally occurring and designed antiviral and antitumor cationic peptides, including those here called promiscuous, in which multiple targets are associated with a single peptide structure. Emphasis will be given to their biochemical features, selectivity against extra targets, and molecular mechanisms. Peptides which possess antitumor activity against different cancer cell lines will be discussed, as well as peptides which inhibit virus replication, focusing on their applications for human health, animal health and agriculture, and their potential as new therapeutic drugs. Moreover, the current scenario for production and the use of nanotechnology as delivery tool for both classes of cationic peptides, as well as the perspectives on improving them is considered.
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Affiliation(s)
- Kelly C L Mulder
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília Brasília, Brazil
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41
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Thornburg CC, Cowley ES, Sikorska J, Shaala LA, Ishmael JE, Youssef DT, McPhail KL. Apratoxin H and apratoxin A sulfoxide from the Red Sea cyanobacterium Moorea producens. JOURNAL OF NATURAL PRODUCTS 2013; 76:1781-8. [PMID: 24016099 PMCID: PMC3969888 DOI: 10.1021/np4004992] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Cultivation of the marine cyanobacterium Moorea producens, collected from the Nabq Mangroves in the Gulf of Aqaba (Red Sea), led to the isolation of new apratoxin analogues apratoxin H (1) and apratoxin A sulfoxide (2), together with the known apratoxins A-C, lyngbyabellin B, and hectochlorin. The absolute configuration of these new potent cytotoxins was determined by chemical degradation, MS, NMR, and CD spectroscopy. Apratoxin H (1) contains pipecolic acid in place of the proline residue present in apratoxin A, expanding the known suite of naturally occurring analogues that display amino acid substitutions within the final module of the apratoxin biosynthetic pathway. The oxidation site of apratoxin A sulfoxide (2) was deduced from MS fragmentation patterns and IR data, and 2 could not be generated experimentally by oxidation of apratoxin A. The cytotoxicity of 1 and 2 to human NCI-H460 lung cancer cells (IC₅₀ = 3.4 and 89.9 nM, respectively) provides further insight into the structure-activity relationships in the apratoxin series. Phylogenetic analysis of the apratoxin-producing cyanobacterial strains belonging to the genus Moorea, coupled with the recently annotated apratoxin biosynthetic pathway, supports the notion that apratoxin production and structural diversity may be specific to their geographical niche.
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Affiliation(s)
- Christopher C. Thornburg
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon 97331, United States
| | - Elise S. Cowley
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon 97331, United States
| | - Justyna Sikorska
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon 97331, United States
| | - Lamiaa A. Shaala
- Natural Products Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Jane E. Ishmael
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon 97331, United States
| | - Diaa T.A. Youssef
- Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Kerry L. McPhail
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon 97331, United States
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42
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Synthesis of the (E)-dehydrobutyrine–thiazoline–proline–leucine fragment of vioprolides B and D. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.04.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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43
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A survey of marine natural compounds and their derivatives with anti-cancer activity reported in 2011. Molecules 2013; 18:3641-73. [PMID: 23529027 PMCID: PMC6270579 DOI: 10.3390/molecules18043641] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Revised: 03/07/2013] [Accepted: 03/11/2013] [Indexed: 12/13/2022] Open
Abstract
Cancer continues to be a major public health problem despite the efforts that have been made in the search for novel drugs and treatments. The current sources sought for the discovery of new molecules are plants, animals and minerals. During the past decade, the search for anticancer agents of marine origin to fight chemo-resistance has increased greatly. Each year, several novel anticancer molecules are isolated from marine organisms and represent a renewed hope for cancer therapy. The study of structure-function relationships has allowed synthesis of analogues with increased efficacy and less toxicity. In this report, we aim to review 42 compounds of marine origin and their derivatives that were published in 2011 as promising anticancer compounds.
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44
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Case studies of the synthesis of bioactive cyclodepsipeptide natural products. Molecules 2013; 18:1337-67. [PMID: 23348990 PMCID: PMC6270203 DOI: 10.3390/molecules18021337] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 01/14/2013] [Accepted: 01/16/2013] [Indexed: 11/29/2022] Open
Abstract
Cyclodepsipeptide natural products often display intriguing biological activities that along with their complex molecular scaffolds, makes them interesting targets for chemical synthesis. Although cyclodepsipeptides feature highly diverse chemical structures, their synthesis is often associated with similar synthetic challenges such as the establishment of a suitable macrocyclization methodology. This review therefore compiles case studies of synthetic approaches to different bioactive cyclodepsipeptide natural products, thereby illustrating obstacles of cyclodepsipeptide synthesis as well as their overcomings.
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45
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Robertson BD, Wengryniuk SE, Coltart DM. Asymmetric Total Synthesis of Apratoxin D. Org Lett 2012; 14:5192-5. [DOI: 10.1021/ol302309c] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bradley D. Robertson
- Department of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
| | - Sarah E. Wengryniuk
- Department of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
| | - Don M. Coltart
- Department of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
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46
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Wadsworth AD, Furkert DP, Sperry J, Brimble MA. Total synthesis of the initially reported and revised structures of the neuroprotective agent palmyrolide A. Org Lett 2012; 14:5374-7. [PMID: 23046111 DOI: 10.1021/ol3025956] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The total syntheses of the initially reported and revised structures of the neuroprotective agent palmyrolide A are reported. The key macrocyclization step was achieved using a sequential ring closing metathesis/olefin isomerization reaction. The synthetic work described herein serves to confirm the recent structural revision of this unusual natural product.
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Affiliation(s)
- Andrew D Wadsworth
- School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland, 1010, New Zealand
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47
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Costa M, Costa-Rodrigues J, Fernandes MH, Barros P, Vasconcelos V, Martins R. Marine cyanobacteria compounds with anticancer properties: a review on the implication of apoptosis. Mar Drugs 2012; 10:2181-2207. [PMID: 23170077 PMCID: PMC3497016 DOI: 10.3390/md10102181] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Revised: 09/11/2012] [Accepted: 09/18/2012] [Indexed: 01/07/2023] Open
Abstract
Marine cyanobacteria have been considered a rich source of secondary metabolites with potential biotechnological applications, namely in the pharmacological field. Chemically diverse compounds were found to induce cytoxicity, anti-inflammatory and antibacterial activities. The potential of marine cyanobacteria as anticancer agents has however been the most explored and, besides cytotoxicity in tumor cell lines, several compounds have emerged as templates for the development of new anticancer drugs. The mechanisms implicated in the cytotoxicity of marine cyanobacteria compounds in tumor cell lines are still largely overlooked but several studies point to an implication in apoptosis. This association has been related to several apoptotic indicators such as cell cycle arrest, mitochondrial dysfunctions and oxidative damage, alterations in caspase cascade, alterations in specific proteins levels and alterations in the membrane sodium dynamics. In the present paper a compilation of the described marine cyanobacterial compounds with potential anticancer properties is presented and a review on the implication of apoptosis as the mechanism of cell death is discussed.
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Affiliation(s)
- Margarida Costa
- Marine and Environmental Research Center—CIIMAR/CIMAR, Porto University, Rua dos Bragas, 289, 4050-123 Porto, Portugal; (M.C.); (V.V.)
| | - João Costa-Rodrigues
- Laboratory of Pharmacology and Cellular Biocompatibility, Faculty of Dental Medicine, Porto University, Rua Dr. Manuel Pereira da Silva, 4200-393 Porto, Portugal; (J.C.-R.); (M.H.F.)
| | - Maria Helena Fernandes
- Laboratory of Pharmacology and Cellular Biocompatibility, Faculty of Dental Medicine, Porto University, Rua Dr. Manuel Pereira da Silva, 4200-393 Porto, Portugal; (J.C.-R.); (M.H.F.)
| | - Piedade Barros
- Centre of Health and Environmental Research—CISA, Superior School of Health Technology of Porto, Polytechnic Institute of Porto, Rua Valente Perfeito, 322, 4400-330 Vila Nova de Gaia, Portugal;
| | - Vitor Vasconcelos
- Marine and Environmental Research Center—CIIMAR/CIMAR, Porto University, Rua dos Bragas, 289, 4050-123 Porto, Portugal; (M.C.); (V.V.)
- Faculty of Sciences, Porto University, Rua do Campo Alegre, 4169-007 Porto, Portugal
| | - Rosário Martins
- Marine and Environmental Research Center—CIIMAR/CIMAR, Porto University, Rua dos Bragas, 289, 4050-123 Porto, Portugal; (M.C.); (V.V.)
- Centre of Health and Environmental Research—CISA, Superior School of Health Technology of Porto, Polytechnic Institute of Porto, Rua Valente Perfeito, 322, 4400-330 Vila Nova de Gaia, Portugal;
- Institute for Molecular and Cell Biology—IBMC, Porto University, Rua do Campo Alegre 823, 4150-180 Porto, Portugal
- Author to whom correspondence should be addressed; ; Tel.: +351-22-340-18-00; Fax: +351-22-339-06-08
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48
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Tello-Aburto R, Newar TD, Maio WA. Evolution of a protecting-group-free total synthesis: studies en route to the neuroactive marine macrolide (-)-palmyrolide A. J Org Chem 2012; 77:6271-89. [PMID: 22721171 DOI: 10.1021/jo301121f] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A full account of our synthetic work toward the first total synthesis of the neuroactive marine macrolide (-)-palmyrolide A is described. Our first-generation approach aimed to unlock the unknown C(5)-C(7) stereochemical relationship via the synthesis of four diastereomers of palmyrolide A aldehyde, a known degradation product. When these efforts provided inconclusive results, recourse to synthesizing all possible stereocombinations of the 15-membered macrolide was undertaken. These studies were critical in confirming the absolute stereochemistry, yielding the first total synthesis of (+)-ent-palmyrolide A. Subsequent to this work, the first protecting-group-free total synthesis of natural (-)-palmyrolide A is also reported.
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Affiliation(s)
- Rodolfo Tello-Aburto
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, New Mexico 88003, USA
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49
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Sankar K, Rahman H, Das PP, Bhimireddy E, Sridhar B, Mohapatra DK. Practical Syntheses of Proposed and Revised Manzacidin B and Their Congeners. Org Lett 2012; 14:1082-5. [DOI: 10.1021/ol203466m] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kuppusamy Sankar
- CSIR-Indian Institute of Chemical Technology, Hyderabad-500 607, India, and CSIR-National Chemical Laboratory, Pune-411 008, India
| | - Hasibur Rahman
- CSIR-Indian Institute of Chemical Technology, Hyderabad-500 607, India, and CSIR-National Chemical Laboratory, Pune-411 008, India
| | - Pragna P. Das
- CSIR-Indian Institute of Chemical Technology, Hyderabad-500 607, India, and CSIR-National Chemical Laboratory, Pune-411 008, India
| | - Eswar Bhimireddy
- CSIR-Indian Institute of Chemical Technology, Hyderabad-500 607, India, and CSIR-National Chemical Laboratory, Pune-411 008, India
| | - B. Sridhar
- CSIR-Indian Institute of Chemical Technology, Hyderabad-500 607, India, and CSIR-National Chemical Laboratory, Pune-411 008, India
| | - Debendra K. Mohapatra
- CSIR-Indian Institute of Chemical Technology, Hyderabad-500 607, India, and CSIR-National Chemical Laboratory, Pune-411 008, India
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50
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Wu J, Panek JS. Total synthesis of (-)-virginiamycin M2: application of crotylsilanes accessed by enantioselective Rh(II) or Cu(I) promoted carbenoid Si-H insertion. J Org Chem 2011; 76:9900-18. [PMID: 22070230 DOI: 10.1021/jo202119p] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A stereoselective synthesis of the antibiotic (-)-virginiamycin M(2) is detailed. A convergent strategy was utilized that proceeded in 10 steps (longest linear sequence) from enantioenriched silane (S)-15. This reagent, which was prepared via a Rh(II)- or Cu(I)-catalyzed carbenoid Si-H insertion, was used to introduce the desired olefin geometry and stereocenters of the C1-C5 propionate subunit. A modified Negishi cross-coupling or an efficient alkoxide-directed titanium-mediated alkyne-alkyne reductive coupling strategy was utilized to assemble the trisubstituted (E,E)-diene. An underutilized late-stage SmI(2)-mediated macrocyclization was employed to construct the 23-membered macrocycle scaffold of the natural product.
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Affiliation(s)
- Jie Wu
- Department of Chemistry and Center for Chemical Methodology and Library Development, Metcalf Center for Science and Engineering, 590 Commonwealth Avenue, Boston University, Boston, Massachusetts 02215, USA
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