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Maharani R, Sleebs BE, Hughes AB. Macrocyclic N-Methylated Cyclic Peptides and Depsipeptides. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2015. [DOI: 10.1016/b978-0-444-63460-3.00004-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Lee J, Currano JN, Carroll PJ, Joullié MM. Didemnins, tamandarins and related natural products. Nat Prod Rep 2012; 29:404-24. [PMID: 22270031 DOI: 10.1039/c2np00065b] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Since the discovery and isolation of the didemnin family of marine depsipeptides in 1981, the synthesis and biological activity of its congeners have been of great interest to the scientific community. The didemnins have demonstrated antitumor, antiviral, and immunosuppressive activity at low nano- and femtomolar levels. Of the congeners, didemnin B was the first marine natural product to reach phase II clinical trials in the United States, stimulating many analogue syntheses to date. About two decades later, tamandarins A and B were isolated, and were found to possess very similar structure and biological activity to that of the didemnin B. These compounds have shown impressive biological activity and some progress has been made in establishing structure-activity relationships. However, their molecular mechanism of action still remains unclear. This review highlights the long-standing study of didemnins and its critical application towards the understanding of the molecular mechanism of action of tamandarins and their potential use as therapeutic agents.
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Affiliation(s)
- Jisun Lee
- University of Pennsylvania, Department of Chemistry, Philadelphia, Pennsylvania, United States
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Tsukimoto M, Nagaoka M, Shishido Y, Fujimoto J, Nishisaka F, Matsumoto S, Harunari E, Imada C, Matsuzaki T. Bacterial production of the tunicate-derived antitumor cyclic depsipeptide didemnin B. JOURNAL OF NATURAL PRODUCTS 2011; 74:2329-2331. [PMID: 22035372 DOI: 10.1021/np200543z] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Natural products obtained from marine invertebrates such as sponges and tunicates are attractive sources of drugs. However, a critical obstacle in the development of these compounds is the problem of supply. In most cases, neither chemical synthesis nor mariculture of invertebrates is economically feasible. Due to structural similarities, many marine natural products are suspected to be produced by associated microorganisms. A favorable strategy for the production of such compounds is to use culturable microorganisms. Here we report that didemnin B, a tunicate-derived depsipeptide, has been isolated from a culturable bacterium, Tistrella mobilis YIT 12409.
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Affiliation(s)
- Moriya Tsukimoto
- Yakult Central Institute for Microbiological Research, 1796 Yaho, Kunitachi-shi, Tokyo 186-8650, Japan.
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Adrio J, Cuevas C, Manzanares I, Joullié MM. Total Synthesis and Biological Evaluation of Tamandarin B Analogues. J Org Chem 2007; 72:5129-38. [PMID: 17555353 DOI: 10.1021/jo070412r] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Tamandarins A and B are a class of marine natural cyclodepsipeptides with structures and biological activities closely related to those of the didemnins. The easier synthetic access to tamandarins accelerates the preparation of new macrocyclic derivatives of this family of antitumor, antiviral, and immunosuppressive compounds. The optimization of the previously reported synthetic route to tamandarins by changing the macrolactamization site from Nst1 and Thr6 to Pro4 and N,O-Me2Tyr5 residues led to a significant improvement in the reaction yield. Using this new synthetic approach, four new macrocyclic analogues of tamandarin B were prepared and evaluated for anticancer activity. These results provide further insight into the structure-activity relationship of the tamandarins and didemnins.
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Affiliation(s)
- Javier Adrio
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
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Vera MD, Joullié MM. Natural products as probes of cell biology: 20 years of didemnin research. Med Res Rev 2002; 22:102-45. [PMID: 11857636 DOI: 10.1002/med.10003] [Citation(s) in RCA: 82] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The discovery of the didemnin family of marine depsipeptides launched an exciting and intriguing chapter in natural product chemistry. The unusual structure of the didemnin congeners has led to several total syntheses by research groups from around the world. The impressive in vitro and in vivo biological activities of the didemnins resulted in the first human clinical trials in the U.S. of a marine natural product against cancer, and additional clinical trials of a second-generation didemnin, dehydrodidemnin B (aplidine), are underway. As we mark the 20-year anniversary of the discovery of the didemnins, this class of natural products continues to stimulate active research in fields ranging from synthetic and medicinal chemistry to clinical oncology and cell biology. While some progress was made in dissecting the molecular mechanism of action and in establishing structure-activity relationships, there are still more questions than answers. This review covers the recent didemnin literature, highlighting the work directed towards understanding how this group of natural products interact with fundamental processes such as cell proliferation, protein biosynthesis, and apoptosis. The didemnin field illustrates how natural product chemistry may be used as a critical tool for the study of cell biology.
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Affiliation(s)
- Matthew D Vera
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
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Vera MD, Pfizenmayer AJ, Ding X, Xiao D, Joullié MM. [Lys3]Didemnins as potential affinity ligands. Bioorg Med Chem Lett 2001; 11:13-6. [PMID: 11140723 DOI: 10.1016/s0960-894x(00)00585-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The synthesis and biological activity of N(epsilon)-Z-[Lys3]didemnin B are reported. This novel analogue retains antiproliferative, cytotoxic, and protein biosynthesis inhibition activities, but at reduced levels. This result suggests the use of [Lys3]didemnin derivatives as potential affinity probes for studying the molecular target(s) of the didemnin class of natural products.
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Affiliation(s)
- M D Vera
- Department of Chemistry, University of Pennsylvania, Philadelphia 19104-6323, USA
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Cueto M, Jensen PR, Fenical W. N-Methylsansalvamide, a cytotoxic cyclic depsipeptide from a marine fungus of the genus fusarium. PHYTOCHEMISTRY 2000; 55:223-226. [PMID: 11142846 DOI: 10.1016/s0031-9422(00)00280-6] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
N-Methylsansalvamide (1), a new cyclic depsipeptide, was isolated from extracts of a cultured marine fungus, strain CNL-619, identified as a member of the genus Fusarium. N-Methylsansalvamide exhibits weak in vitro cytotoxicity in the NCI human tumor cell line screen (GI50 8.3 microM). The structure of 1 was determined by combined spectral and chemical methods.
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Affiliation(s)
- M Cueto
- Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oeanography, University of California, San Diego, La Jolla 92093-0204, USA
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Vervoort H, Fenical W, Epifanio RA. Tamandarins A and B: new cytotoxic depsipeptides from a Brazilian ascidian of the family Didemnidae. J Org Chem 2000; 65:782-92. [PMID: 10814011 DOI: 10.1021/jo991425a] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The structures of two new, naturally occurring cytotoxic depsipeptides, tamandarins A and B (1 and 2), are presented. The tamandarins were isolated from an unidentified Brazilian marine ascidian of the family Didemnidae. The structures of the new cytotoxins were assigned by interpretation of FABMS data and by extensive 2D NMR analyses. The absolute configurations of the tamandarins were assigned by acid and alkaline hydrolysis to yield their corresponding amino acids, which were then analyzed as their Marfey derivatives. The cytotoxicity of tamandarin A (1) was evaluated against various human cancer cell lines and shown to be slightly more potent than didemnin B. A qualitative discussion of the conformation of tamandarin A (1) in solution, obtained from NMR J-value data, variable temperature experiments, and NOESY/ROESY data, is included.
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Affiliation(s)
- H Vervoort
- Center for Marine Biotechnology and Biomedicine, Scripps University of California-San Diego, La Jolla, 92093-0204, USA
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Banaigs B, Mansour EA, Bonnard I, Boulanger A, Francisco C. [Hysp2] and [Hap2]Didemnin B, two new [Hip2]-modified didemnin B from the tunicate Trididemnum cyanophorum. Tetrahedron 1999. [DOI: 10.1016/s0040-4020(99)00524-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Pfizenmayer AJ, Ramanjulu JM, Vera MD, Ding X, Xiao D, Wei-Chuan C, Joullié MM. Synthesis and biological activities of [N-MeLeu5]- and [N-MePhe5]-didemnin B. Tetrahedron 1999. [DOI: 10.1016/s0040-4020(98)01042-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Jou G, González I, Albericio F, Lloyd-Williams P, Giralt E. Total Synthesis of Dehydrodidemnin B. Use of Uronium and Phosphonium Salt Coupling Reagents in Peptide Synthesis in Solution. J Org Chem 1997; 62:354-366. [PMID: 11671410 DOI: 10.1021/jo961932h] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
New total syntheses of didemnin A and of dehydrodidemnin B are described. The latter didemnin has the highest antiproliferative activity of all members of this family of macrocyclic depsipeptides. It was produced on coupling the side chain Pyr-Pro-OH to didemnin A, which was itself synthesized by two novel routes. One of these was based on the elaboration of a linear heptadepsipeptide incorporating the first amino acid of the didemnin side chain, (R)-N(Me)-Leu. Deprotection of the amino and carboxyl terminii of this linear precursor followed by macrocyclization gave a protected derivative of didemnin A. The second route involved synthesis of the Boc-protected didemnin macrocycle from a linear hexadepsipeptide lacking (R)-N(Me)-Leu. Removal of the Boc group from the macrocycle followed by its coupling with Boc-(R)-N(Me)-Leu-OH then gave Boc-didemnin A. The overall yield was much higher for the second strategy (27% compared to 4% for the first synthesis), but both allowed synthetic didemnin A, identical with a natural sample, to be prepared. Extensive use was made of phosphonium and uronium salt-based coupling reagents, such as BOP, PyBrOP, PyAOP, HBTU, and HATU for the formation of both the secondary and tertiary amide bonds present in these complex depsipeptides.
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Affiliation(s)
- Gemma Jou
- Department of Organic Chemistry, University of Barcelona, E-08028 Barcelona, Spain
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Sings HL, Rinehart KL. Compounds produced from potential tunicate-blue-green algal symbiosis: A review. J Ind Microbiol Biotechnol 1996. [DOI: 10.1007/bf01574769] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Shin HJ, Matsuda H, Murakami M, Yamaguchi K. Agardhipeptins A and B, two new cyclic hepta- and octapeptide, from the cyanobacterium Oscillatoria agardhii (NIES-204). Tetrahedron 1996. [DOI: 10.1016/0040-4020(96)00775-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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