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El Aissouq A, Bouachrine M, Bouayyadi L, Ouammou A, Khalil F. Structure-based virtual screening of novel natural products as chalcone derivatives against SARS-CoV-2 M pro. J Biomol Struct Dyn 2023; 41:13235-13249. [PMID: 36752320 DOI: 10.1080/07391102.2023.2172456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 01/19/2023] [Indexed: 02/09/2023]
Abstract
Coronavirus disease 2019 (COVID-19), which is caused by SARS-CoV-2, has spread quickly around the world, causing a global pandemic. It has infected more than 500 million people as of April 28, 2022. Much research has been reported to stop the virus from spreading, but there are currently no approved medicines to treat COVID-19. In this work, a dataset of 142 natural products collected from various medicinal plants was used to perform structure-based virtual screening (SBVS) through the combined application of molecular docking and molecular dynamics (MD) simulation methods. First, the dataset of compounds was optimized using the density functional theory (DFT) approach. The optimized compounds were then submitted to the first screening, which was done by the pKCM web server to look for drug-likeness and the PyRx to look for binding affinity. Among the 142 natural substances, 10 compounds were selected for docking validation. Compounds that interact with CYS145 and LEU141, the essential catalytic residues, as well as compounds with binding affinities less than -8.0 kcal/mol, are considered promising anti-SARS-CoV-2 drug candidates. The top-ranked compounds were then evaluated by MD simulations and MM-GBSA method. These results could help researchers come up with new natural compounds that could be used to treat SARS-CoV-2.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Abdellah El Aissouq
- Laboratory of Processes, Materials, and Environment (LPME), Faculty of Science and Technology, Sidi Mohamed Ben Abdellah University, Fez, Morocco
| | - Mohammed Bouachrine
- MCNS Laboratory, Faculty of Sciences, Moulay Ismail University, Meknes, Morocco
| | | | - Abdelkrim Ouammou
- LIMOME Laboratory, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdellah University, Fez, Morocco
| | - Fouad Khalil
- Laboratory of Processes, Materials, and Environment (LPME), Faculty of Science and Technology, Sidi Mohamed Ben Abdellah University, Fez, Morocco
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Lee YJ, Cho Y, Tran HNK. Secondary Metabolites from the Marine Sponges of the Genus Petrosia: A Literature Review of 43 Years of Research. Mar Drugs 2021; 19:md19030122. [PMID: 33668842 PMCID: PMC7996255 DOI: 10.3390/md19030122] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/21/2021] [Accepted: 02/22/2021] [Indexed: 12/21/2022] Open
Abstract
Sponges are prolific sources of various natural products that have provided the chemical scaffolds for new drugs. The sponges of the genus Petrosia inhabit various regions and contain a variety of biologically active natural products such as polyacetylenes, sterols, meroterpenoids, and alkaloids. This review aims to provide a comprehensive summary of the chemical structures and biological activities of Petrosia metabolites covering a period of more than four decades (between 1978 and 2020). It is also described in this review that the major groups of metabolites from members of the genus Petrosia differed with latitude. The polyacetylenes were identified to be the most predominant metabolites in Petrosia sponges in temperate regions, while tropical Petrosia species were sources of a greater variety of metabolites, such as meroterpenoids, sterols, polyacetylenes, and alkaloids.
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Affiliation(s)
- Yeon-Ju Lee
- Marine Natural Products Chemistry Laboratory, Korea Institute of Ocean Science and Technology, 385 Haeyangro, Busan 49111, Korea; (Y.C.); (H.N.K.T.)
- Department of Applied Ocean Science, University of Science and Technology, Daejeon 34113, Korea
- Correspondence: ; Tel.: +82-51-664-3350
| | - Yeonwoo Cho
- Marine Natural Products Chemistry Laboratory, Korea Institute of Ocean Science and Technology, 385 Haeyangro, Busan 49111, Korea; (Y.C.); (H.N.K.T.)
- Department of Applied Ocean Science, University of Science and Technology, Daejeon 34113, Korea
| | - Huynh Nguyen Khanh Tran
- Marine Natural Products Chemistry Laboratory, Korea Institute of Ocean Science and Technology, 385 Haeyangro, Busan 49111, Korea; (Y.C.); (H.N.K.T.)
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Abstract
Although acetylenes are common as components of terrestrial plants, it is only within the last 30 years that biologically active polyacetylenes having unusual structural features have been reported from aquatic organisms: cyanobacteria, algae, fungi, invertebrates, and other sources. Naturally occurring aquatic acetylenes are of particular interest since many of them display important biological activities and possess antitumor, antibacterial, antimicrobial, antifouling, antifungal, pesticidal, phototoxic, HIV inhibitory, and immuno-suppressive properties. There is no doubt that they are of great interest, especially for the medicinal and/or pharmaceutical industries. This review presents structures and describes cytotoxic and anticancer activities of more than 230 acetylenic metabolites isolated from aquatic organisms. With the computer program PASS some additional biological activities are also predicted, which point toward possible new applications of these compounds. This review emphasizes the role of aquatic acetylenic compounds as an important source of leads for drug discovery.
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Affiliation(s)
- Valery M Dembitsky
- Department of Medicinal Chemistry and Natural Products, School of Pharmacy, P.O. Box 12065, The Hebrew University of Jerusalem, Jerusalem 91120, Israel
| | - Dmitri O Levitsky
- CNRS UMR 6204, Biotechnologie, Biocatalyse et Biorégulation, Faculté des Sciences et des Techniques, Université de Nantes, P.O. Box 92208, 44322 Nantes Cedex 3, France
| | - Tatyana A Gloriozova
- Institute of Biomedical Chemistry, Russian Academy of Medical Sciences, Moscow 119121, Russia
| | - Vladimir V Poroikov
- Institute of Biomedical Chemistry, Russian Academy of Medical Sciences, Moscow 119121, Russia
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Bourkhis M, Listunov D, Gaspard H, Joly E, Abderrahim R, Maraval V, Génisson Y, Chauvin R. Ethynylogation approach in antitumor lipid pharmacochemistry: from dialkynyl-carbinols to trialkynyl-carbinols. Fr Ukr J Chem 2017. [DOI: 10.17721/fujcv5i1p24-34] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
A recently proposed "ethynylogation" pharmacochemical approach, first envisaged in the series of anticancer lipidic dialkynylcarbinols (DACs) H–C≡C–CH(OH)–C≡C–R at the levels of the H–C⋮ and ⋮C–R bonds for R = n-C12H25, is completed here at the level of the (HO)C–H bond. The so-devised mono-lipidic trialkynylcarbinol (TAC) target (HC≡C)2C(OH)–C≡CR and its bis-lipidic counterpart HC≡C–C(OH)(C≡CR)2 were synthesized in 4 steps and with 33 % and 23 % overall yield, respectively. Their antitumor cytotoxicity has been evaluated towards HCT116 cells: while the latter TAC is totally inactive, the former DAC-ethynylogous TAC still exhibits a significant toxicity with an IC50 of 10 µM.
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Affiliation(s)
| | | | | | - Etienne Joly
- Institut de Pharmacologie et de Biologie Structurale
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Listunov D, Saffon-Merceron N, Joly E, Fabing I, Génisson Y, Maraval V, Chauvin R. Ethynylogation approach in pharmacophore design: from alkynyl-to butadiynyl-carbinols vs antitumoral cytotoxicity. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.09.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Listunov D, Billot C, Joly E, Fabing I, Volovenko Y, Génisson Y, Maraval V, Chauvin R. Extended structural modulation of bio-inspired chiral lipidic alkynylcarbinols as antitumor pharmacophores. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.08.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Listunov D, Maraval V, Chauvin R, Génisson Y. Chiral alkynylcarbinols from marine sponges: asymmetric synthesis and biological relevance. Nat Prod Rep 2015; 32:49-75. [PMID: 25275665 DOI: 10.1039/c4np00043a] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Covering: up to March 2014. Previous review on the topic: B. W. Gung, C. R. Chim., 2009, 12, 489-505. Chiral α-functional lipidic propargylic alcohols extracted from marine sponges, in particular of the pacific genus Petrosia, constitute a class of acetylenic natural products exhibiting remarkable in vitro biological activities, especially anti-tumoral cytotoxicity. These properties, associated to functionalities that are uncommon among natural products, have prompted recent projects on asymmetric total synthesis. On the basis of a three-sector structural typology, three main sub-types of secondary alkynylcarbinols (with either alkyl, alkenyl, or alkynyl as the second substituent) can be identified as the minimal pharmacophoric units. Selected natural products containing these functionalities have been targeted using previously known or on purpose-designed procedures, where the stereo-determining step can be: (i) a C-C bond forming reaction (e.g. the Zn-mediated addition of alkynyl nucleophiles to aldehydes in the presence of chiral aminoalcohols), (ii) a functional layout (e.g. the asymmetric organo- or metallo-catalytic reduction of ynones), or (iii) an enantiomeric resolution (e.g. a lipase-mediated kinetic resolution via acetylation). The promising medicinal importance of these targets is finally surveyed, and future investigation prospects are proposed, such as: (i) further total synthesis of known or future extraction products; (ii) the synthesis of non-natural analogues, with simpler lipophilic environments of the alkynylcarbinol-based pharmacophoric units; (iii) the variation and optimization of both the pharmacophoric units and their lipophilic environment; and (iv) investigations into the biological mode of action of these unique structures.
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Affiliation(s)
- Dymytrii Listunov
- UMR CNRS 5068, LSPCMIB, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 9, France.
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Affiliation(s)
- Zhen-Fang Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Zu Chong Zhi Road 555, Shanghai 201203, China
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El Arfaoui D, Listunov D, Fabing I, Oukessou M, Frongia C, Lobjois V, Samson A, Ausseil F, Ben-Tama A, El Hadrami EM, Chauvin R, Génisson Y. Identification of chiral alkenyl- and alkynylcarbinols as pharmacophores for potent cytotoxicity. ChemMedChem 2013; 8:1779-86. [PMID: 24014463 DOI: 10.1002/cmdc.201300230] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 08/14/2013] [Indexed: 11/07/2022]
Abstract
Illumination by acetylene: Systematic structural variations in a series of archetypal acetylenic lipids derived from the naturally occurring (S,E)-icos-4-en-1-yn-3-ol allowed the discovery of a series of 3R-like 1,4-di-unsaturated carbinol units with a significant and systematic enantiomeric effect on cytotoxicity.
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Affiliation(s)
- Dounia El Arfaoui
- SPCMIB, UMR-CNRS 5068, Université Paul Sabatier-Toulouse III, 118 route de Narbonne, 31062 Toulouse Cedex 9 (France); LCOA, Faculté des Sciences et Techniques, Université Sidi Mohamed Ben Abdallah, Fès (Marocco)
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D’Orazio N, Gammone MA, Gemello E, De Girolamo M, Cusenza S, Riccioni G. Marine bioactives: pharmacological properties and potential applications against inflammatory diseases. Mar Drugs 2012; 10:812-833. [PMID: 22690145 PMCID: PMC3366677 DOI: 10.3390/md10040812] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Revised: 03/15/2012] [Accepted: 03/23/2012] [Indexed: 12/12/2022] Open
Abstract
Inflammation is a hot topic in medical research, because it plays a key role in inflammatory diseases: rheumatoid arthritis (RA) and other forms of arthritis, diabetes, heart diseases, irritable bowel syndrome, Alzheimer's disease, Parkinson's disease, allergies, asthma, even cancer and many others. Over the past few decades, it was realized that the process of inflammation is virtually the same in different disorders, and a better understanding of inflammation may lead to better treatments for numerous diseases. Inflammation is the activation of the immune system in response to infection, irritation, or injury, with an influx of white blood cells, redness, heat, swelling, pain, and dysfunction of the organs involved. Although the pathophysiological basis of these conditions is not yet fully understood, reactive oxygen species (ROS) have often been implicated in their pathogenesis. In fact, in inflammatory diseases the antioxidant defense system is compromised, as evidenced by increased markers of oxidative stress, and decreased levels of protective antioxidant enzymes in patients with rheumatoid arthritis (RA). An enriched diet containing antioxidants, such as vitamin E, vitamin C, β-carotene and phenolic substances, has been suggested to improve symptoms by reducing disease-related oxidative stress. In this respect, the marine world represents a largely untapped reserve of bioactive ingredients, and considerable potential exists for exploitation of these bioactives as functional food ingredients. Substances such as n-3 oils, carotenoids, vitamins, minerals and peptides provide a myriad of health benefits, including reduction of cardiovascular diseases, anticarcinogenic and anti-inflammatory activities. New marine bioactives are recently gaining attention, since they could be helpful in combating chronic inflammatory degenerative conditions. The aim of this review is to examine the published studies concerning the potential pharmacological properties and application of many marine bioactives against inflammatory diseases.
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Affiliation(s)
- Nicolantonio D’Orazio
- Human Nutrition, Department of Biomedical Science, via Dei Vestini, University G. D’Annunzio, Chieti, 66013, Italy
| | - Maria Alessandra Gammone
- Human Nutrition, Department of Biomedical Science, via Dei Vestini, University G. D’Annunzio, Chieti, 66013, Italy
| | - Eugenio Gemello
- Human Nutrition, Department of Biomedical Science, via Dei Vestini, University G. D’Annunzio, Chieti, 66013, Italy
| | - Massimo De Girolamo
- Human Nutrition, Department of Biomedical Science, via Dei Vestini, University G. D’Annunzio, Chieti, 66013, Italy
| | - Salvatore Cusenza
- Human Nutrition, Department of Biomedical Science, via Dei Vestini, University G. D’Annunzio, Chieti, 66013, Italy
| | - Graziano Riccioni
- Human Nutrition, Department of Biomedical Science, via Dei Vestini, University G. D’Annunzio, Chieti, 66013, Italy
- Cardiology Unit, San Camillo De Lellis Hospital, Manfredonia, FG, Italy
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11
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Hitora Y, Takada K, Okada S, Ise Y, Matsunaga S. (-)-Duryne and its homologues, cytotoxic acetylenes from a marine Sponge Petrosia sp. J Nat Prod 2011; 74:1262-1267. [PMID: 21534590 DOI: 10.1021/np200271n] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Six linear acetylenes, (-)-duryne (1) and (-)-durynes B-F (2-6), were isolated from the marine sponge Petrosia sp. Their structures were elucidated by NMR and tandem FABMS analyses. The positions of the olefinic bonds were confirmed by ozonolysis experiments, and the absolute configurations were determined by the modified Mosher's method. Compound 1 was found to be the enantiomer of duryne, a previously reported sponge metabolite. Compounds 1-6 show cytotoxicity against HeLa cells with IC50 values between 0.08 and 0.50 μM.
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Affiliation(s)
- Yuki Hitora
- Laboratory of Aquatic Natural Products Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, 113-8657, Japan
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12
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Curran DP, Sui B. A "shortcut" Mosher ester method to assign configurations of stereocenters in nearly symmetric environments. Fluorous mixture synthesis and structure assignment of petrocortyne A. J Am Chem Soc 2010; 131:5411-3. [PMID: 19323551 DOI: 10.1021/ja900849f] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A "shortcut" of the advanced Mosher rule for use in assigning stereocenters in molecules with elements of local symmetry is proposed. A single Mosher ester is made, and the chemical shifts of pairs of resonances related by local symmetry are subtracted from each other (rather than from analogous resonances in the isomeric Mosher ester) to provide the configuration. Fluorous mixture synthesis is used to make a stereoisomer library of the four isomers of petrocortyne A. These samples and the derived Mosher esters are used to assign the (3S,14S) configuration to petrocortyne A and to validate both the standard and shortcut Mosher methods for use in the petrocortyne family of dialkynyl carbinols.
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Affiliation(s)
- Dennis P Curran
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
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13
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Abstract
Two different mixture synthesis routes have been used to make the four stereoisomers of petrocortyne A. A first quick and dirty route provided a mixture of the four isomers in nonselective fashion. Mosher and 2-naphthylmethoxyacetic acid (NMA) ester methods were developed to identify the components, and the mixture was partially resolved on analytical chiral HPLC to give the two pure enantiomers of petrocortyne A and the racemate of its diastereomer. A second fluorous mixture synthesis produced all four isomers of petrocortyne A in individual pure form. Comparison of spectra of Mosher derivatives of the synthetic isomers with two supposedly different natural products showed that both natural samples were instead identical and had the (3S,14S) configuration. Likewise, petrocortynes B, D, and F-H are (3S,14S) and petrocortyne D is (3R,14S). Having access to all possible candidate isomers of both petrocortyne A and its Mosher derivatives provided a secure structure assignment not so much because one of the isomers matched the natural product, but because all of the other isomers did not.
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Affiliation(s)
- Bin Sui
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260
| | - Edmund A.-H. Yeh
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260
| | - Dennis P. Curran
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260
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Minto RE, Blacklock BJ. Biosynthesis and function of polyacetylenes and allied natural products. Prog Lipid Res 2008; 47:233-306. [PMID: 18387369 PMCID: PMC2515280 DOI: 10.1016/j.plipres.2008.02.002] [Citation(s) in RCA: 242] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2007] [Revised: 02/25/2008] [Accepted: 02/28/2008] [Indexed: 11/19/2022]
Abstract
Polyacetylenic natural products are a substantial class of often unstable compounds containing a unique carbon-carbon triple bond functionality, that are intriguing for their wide variety of biochemical and ecological functions, economic potential, and surprising mode of biosynthesis. Isotopic tracer experiments between 1960 and 1990 demonstrated that the majority of these compounds are derived from fatty acid and polyketide precursors. During the past decade, research into the metabolism of polyacetylenes has swiftly advanced, driven by the cloning of the first genes responsible for polyacetylene biosynthesis in plants, moss, fungi, and actinomycetes and the initial characterization of the gene products. The current state of knowledge of the biochemistry and molecular genetics of polyacetylenic secondary metabolic pathways will be presented together with an up-to-date survey of new terrestrial and marine natural products, their known biological activities, and a discussion of their likely metabolic origins.
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Affiliation(s)
- Robert E Minto
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, 402 North Blackford Street, Indianapolis, IN 46202, United States.
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Okamoto C, Nakao Y, Fujita T, Iwashita T, van Soest RWM, Fusetani N, Matsunaga S. Cytotoxic C47-polyacetylene carboxylic acids from a marine sponge Pertrosia sp. J Nat Prod 2007; 70:1816-1819. [PMID: 17985844 DOI: 10.1021/np0702943] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Two new polyacetylene carboxylic acids, petroformynic acids B (3) and C (4), were isolated from a marine sponge Pertrosia sp. as cytotoxic constituents. Their structures were determined by interpretation of 2D NMR data and tandem FABMS data. Absolute stereochemistry of 3 was assigned by application of the modified Mosher analysis. Petroformynic acids exhibit moderate cytotoxic activity against P388 cells.
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Affiliation(s)
- Chikane Okamoto
- Laboratory of Aquatic Natural Products Chemistry, Garaduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
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Abstract
This review is a comprehensive survey of acetylenic lipids and their derivatives, obtained from living organisms, that have anticancer activity. Acetylenic metabolites belong to a class of molecules containing triple bond(s). They are found in plants, fungi, microorganisms, and marine invertebrates. Although acetylenes are common as components of terrestrial plants, fungi, and bacteria, it is only within the last 30 years that biologically active polyacetylenes having unusual structural features have been reported from plants, cyanobacteria, algae, invertebrates, and other sources. Naturally occurring aquatic acetylenes are of particular interest since many of them display important biological activities and possess antitumor, antibacterial, antimicrobial, antifouling, antifungal, pesticidal, phototoxic, HIV-inhibitory, and immunosuppressive properties. There is no doubt that they are of great interest, especially for the medicinal and/or pharmaceutical industries. This review presents structures and describes cytotoxic and anticancer activities only for more than 300 acetylenic lipids and their derivatives isolated from living organisms.
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Affiliation(s)
- Valery M Dembitsky
- Department of Medicinal Chemistry and Natural Products, School of Pharmacy, P.O. Box 12065, The Hebrew University of Jerusalem, Jerusalem 91120, Israel.
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Abstract
Sargachromanols A-P (1-16), sixteen new meroterpenoids of the chromene class, were isolated from the brown alga Sargassum siliquastrum collected from Jaeju Island, Korea. On the basis of the combined results of spectral and chemical analyses, the structures of the polyprenyl portions of these chromanol-containing compounds were determined to be linear triprenyls (1 and 2) and tetraprenyls (3-11), while others were the corresponding rearranged (12-15) and cyclized (16) tetraprenyls, respectively. The new compounds exhibited significant antioxidant activity in the DPPH assay. Compounds 7 and 15 also showed inhibitory activity toward butylcholine esterase.
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Affiliation(s)
- Kyoung Hwa Jang
- Natural Products Research Institute, College of Pharmacy, Seoul National University, #28 Yungun, Jongro, Seoul 110-460, Korea
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Abstract
New polyacetylenic alcohols (1-5) have been isolated as cytotoxic principles from the marine sponge Petrosia sp. The compounds were particularly cytotoxic against a human melanoma cell line (SK-MEL-2). The gross structures were established on the basis of NMR and MS data, and the absolute configuration was determined by the modified Mosher's method.
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Affiliation(s)
- Y J Lim
- College of Pharmacy, Pusan National University, Pusan 609-735, Korea
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Shin J, Rho J, Seo Y, Lee H, Cho KW, J. Sim C. Sarcotragins A and B, new sesterterpenoid alkaloids from the sponge Sarcotragus sp. Tetrahedron Lett 2001; 42:3005-7. [DOI: 10.1016/s0040-4039(01)00343-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Lim YJ, Park HS, Im KS, Lee C, Hong J, Lee M, Kim Dk D, Jung JH. Additional cytotoxic polyacetylenes from the marine sponge Petrosia species. J Nat Prod 2001; 64:46-53. [PMID: 11170665 DOI: 10.1021/np000252d] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Ten new polyacetylenic alcohols (1-6, 8-11), along with a known compound, petrocortyne C (7), were isolated from the marine sponge Petrosia sp. The gross structures were established based on NMR and MS data, and the absolute configuration was determined by the modified Mosher's method. These compounds displayed considerable cytotoxicity against a small panel of human solid tumor cell lines. Compounds 1-11 were further evaluated for in vitro inhibitory activity on DNA replication.
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Affiliation(s)
- Y J Lim
- College of Pharmacy, Pusan National University, Pusan 609-735, Korea, Korea Research Institute of Chemical Technology, Taejon, Korea
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Aoki S, Matsui K, Tanaka K, Satari R, Kobayashi M. Lembehyne A, a Novel Neuritogenic Polyacetylene, from a Marine Sponge of Haliclona sp. Tetrahedron 2000. [DOI: 10.1016/s0040-4020(00)00973-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Abstract
Four new acetylenic compounds, 5-8, along with four known ones, 1-4, were isolated from a sponge, Theonella sp., collected in Chuuk Atoll, Federated States of Micronesia. Three unrelated swinholide-type compounds were also isolated. The structures of the new acetylenes were determined from spectral data and chemical degradation.
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Affiliation(s)
- X Fu
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, USA
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Abstract
A new 1,2-dihydroisoquinoline (1) and a known isoquinolinequinone (2) have been isolated from the sponge Petrosia similis and characterized by the study of spectral data.
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Affiliation(s)
- P Ramesh
- Natural Product Laboratory, Organic Division-I, Indian Institute of Chemical Technology, Hyderabad 500 007, India
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