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Jiang W, Wang D, Wilson BAP, Voeller D, Bokesch HR, Smith EA, Lipkowitz S, O'Keefe BR, Gustafson KR. Sinularamides A-G, Terpenoid-Derived Spermidine and Spermine Conjugates with Casitas B-Lineage Lymphoma Proto-Oncogene B (Cbl-b) Inhibitory Activities from a Sinularia sp. Soft Coral. JOURNAL OF NATURAL PRODUCTS 2021; 84:1831-1837. [PMID: 34038132 PMCID: PMC9341130 DOI: 10.1021/acs.jnatprod.1c00367] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
An extract of a Sinularia sp. soft coral showed inhibitory activity against the E3-ubiquitin ligase casitas B-lineage lymphoma proto-oncogene B (Cbl-b). Subsequent bioassay-guided separation of the extract provided a series of terpenoid-derived spermidine and spermine amides that were named sinularamides A-G (1-7). Compounds 1-7 represent new natural products; however, sinularamide A (1) was previously reported as a synthetic end product. The structures of sinularamides A-G (1-7) were elucidated by analysis of spectroscopic and spectrometric data from NMR, IR, and HRESIMS experiments and by comparison with literature data. All of the isolated compounds showed Cbl-b inhibitory activities with IC50 values that ranged from approximately 6.5 to 33 μM.
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Affiliation(s)
- Wei Jiang
- Marine Science & Technology Institute, College of Environmental Science & Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, People's Republic of China
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Dongdong Wang
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Brice A P Wilson
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Donna Voeller
- Women's Malignancy Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Heidi R Bokesch
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
- Basic Science Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702-1201, United States
| | - Emily A Smith
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
- Basic Science Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702-1201, United States
| | - Stanley Lipkowitz
- Women's Malignancy Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Barry R O'Keefe
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
- Natural Products Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Frederick, Maryland 21701-1201, United States
| | - Kirk R Gustafson
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
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Alarif WM, Abdel-Lateff A, Alorfi HS, Alburae NA. Alcyonacea: A Potential Source for Production of Nitrogen-Containing Metabolites. Molecules 2019; 24:molecules24020286. [PMID: 30646584 PMCID: PMC6359195 DOI: 10.3390/molecules24020286] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/09/2019] [Accepted: 01/09/2019] [Indexed: 12/13/2022] Open
Abstract
Alcyonacea (soft corals and gorgonia) are well known for their production of a wide array of unprecedented architecture of bioactive metabolites. This diversity of compounds reported from Alcyonacea confirms its productivity as a source of drug leads and, consequently, indicates requirement of further chemo-biological investigation. This review can be considered a roadmap to investigate the Alcyonacea, particularly those produce nitrogen-containing metabolites. It covers the era from the beginning of marine nitrogen-containing terpenoids isolation from Alcyonacea up to December 2018. One hundred twenty-one compounds with nitrogenous moiety are published from fifteen genera. Their prominent biological activity is evident in their antiproliferative effect, which makes them interesting as potential leads for antitumor agents. For instance, eleutherobin and sarcodictyins are in preclinical or clinical stages.
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Affiliation(s)
- Walied Mohamed Alarif
- Department of Marine Chemistry, Faculty of Marine Sciences, King Abdulaziz University, PO. Box 80207, Jeddah 21589, Saudi Arabia.
| | - Ahmed Abdel-Lateff
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, PO Box 80260, Jeddah 21589, Saudi Arabia.
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University, Minia 61519, Egypt.
| | - Hajer Saeed Alorfi
- Department of Biology, Faculty of Science, King Abdulaziz University, PO. Box 80203, Jeddah 21589, Saudi Arabia.
| | - Najla Ali Alburae
- Department of Biology, Faculty of Science, King Abdulaziz University, PO. Box 80203, Jeddah 21589, Saudi Arabia.
- Biology Department, College of Science, Princess Nourah bint Abdulrahman University, PO. Box 84428, Riyadh 11671, Saudi Arabia.
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Mariottini GL, Pane L. Cytotoxic and cytolytic cnidarian venoms. A review on health implications and possible therapeutic applications. Toxins (Basel) 2013; 6:108-51. [PMID: 24379089 PMCID: PMC3920253 DOI: 10.3390/toxins6010108] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 12/11/2013] [Accepted: 12/13/2013] [Indexed: 01/20/2023] Open
Abstract
The toxicity of Cnidaria is a subject of concern for its influence on human activities and public health. During the last decades, the mechanisms of cell injury caused by cnidarian venoms have been studied utilizing extracts from several Cnidaria that have been tested in order to evaluate some fundamental parameters, such as the activity on cell survival, functioning and metabolism, and to improve the knowledge about the mechanisms of action of these compounds. In agreement with the modern tendency aimed to avoid the utilization of living animals in the experiments and to substitute them with in vitro systems, established cell lines or primary cultures have been employed to test cnidarian extracts or derivatives. Several cnidarian venoms have been found to have cytotoxic properties and have been also shown to cause hemolytic effects. Some studied substances have been shown to affect tumour cells and microorganisms, so making cnidarian extracts particularly interesting for their possible therapeutic employment. The review aims to emphasize the up-to-date knowledge about this subject taking in consideration the importance of such venoms in human pathology, the health implications and the possible therapeutic application of these natural compounds.
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Affiliation(s)
- Gian Luigi Mariottini
- Department of Earth, Environment and Life Sciences, University of Genova, Viale Benedetto XV 5, Genova I-16132, Italy.
| | - Luigi Pane
- Department of Earth, Environment and Life Sciences, University of Genova, Viale Benedetto XV 5, Genova I-16132, Italy.
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Li R, Shao CL, Qi X, Li XB, Li J, Sun LL, Wang CY. Polyoxygenated sterols from the South China Sea soft coral Sinularia sp. Mar Drugs 2012; 10:1422-1432. [PMID: 22851916 PMCID: PMC3407921 DOI: 10.3390/md10071422] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Revised: 05/29/2012] [Accepted: 06/08/2012] [Indexed: 11/16/2022] Open
Abstract
Chemical investigation of the ethanol extract of soft coral Sinularia sp. collected from the South China Sea led to the isolation of three new polyoxygenated sterols, (3S,23R,24S)-ergost-5-ene-3β,23α,25-triol (1), (24S)-ergostane-6-acetate-3β,5α,6β,25-tetraol (2), (24S)-ergostane-6-acetate-3β,6β,12β,25-tetraol (3) together with three known ones (4-6). The structures, including relative configurations of the new compounds (1-3), were elucidated by detailed analysis of spectroscopic data (IR, UV, NMR, MS) and by comparison with related reported compounds. The absolute configuration of 1 was further determined by modified Mosher's method. Compound 5 exhibited moderate cytotoxicity against K562 cell line with an IC(50) value of 3.18 μM, but also displayed strong lethality toward the brine shrimp Artemia salina with a LC(50) value of 0.96 μM.
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Affiliation(s)
- Rui Li
- Key Laboratory of Marine Drugs, Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (R.L.); (C.-L.S.); (X.Q.); (J.L.); (L.-L.S.)
| | - Chang-Lun Shao
- Key Laboratory of Marine Drugs, Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (R.L.); (C.-L.S.); (X.Q.); (J.L.); (L.-L.S.)
| | - Xin Qi
- Key Laboratory of Marine Drugs, Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (R.L.); (C.-L.S.); (X.Q.); (J.L.); (L.-L.S.)
| | - Xiu-Bao Li
- South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510000, China;
| | - Jing Li
- Key Laboratory of Marine Drugs, Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (R.L.); (C.-L.S.); (X.Q.); (J.L.); (L.-L.S.)
| | - Ling-Ling Sun
- Key Laboratory of Marine Drugs, Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (R.L.); (C.-L.S.); (X.Q.); (J.L.); (L.-L.S.)
| | - Chang-Yun Wang
- Key Laboratory of Marine Drugs, Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (R.L.); (C.-L.S.); (X.Q.); (J.L.); (L.-L.S.)
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Sinulasulfoxide and sinulasulfone, sulfur-containing alkaloids from the Indonesian soft coral Sinularia sp. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.05.095] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Affiliation(s)
- V. Lakshmi
- a Medicinal & Process Chemistry Division , Central Drug Research Institute , Chhattar Manzil, Lucknow, 226 001, India
| | - R. Kumar
- a Medicinal & Process Chemistry Division , Central Drug Research Institute , Chhattar Manzil, Lucknow, 226 001, India
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Mansoor TA, Bae BH, Hong J, Lee CO, Im KS, Jung JH. New fatty acid derivatives from Homaxinella sp., a marine sponge. Lipids 2005; 40:981-5. [PMID: 16329471 DOI: 10.1007/s11745-005-1459-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Fractionation of the MeOH extract of Homaxinella sp., a marine sponge, led to the isolation of a sodium salt of a new brominated FA (1), two new MG (2 and 4), and a new lysoPC (6). The geometry of the double bonds in 1 and 2 was defined by comparison of the NMR chemical shifts of the allylic carbons, nuclear Overhauser effect spectroscopy correlations of the allylic protons, and coupling constants of the vinylic protons with those reported. Evidence mainly from NMR and MS analyses established the planar structures of the compounds. Compounds 1, 2, 4, and 6 were evaluated for cytotoxicity against a panel of five human solid tumor cell lines. Only compound 1 showed moderate activity.
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