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Elshamy AI, Mohamed TA, Yoneyama T, Noji M, Ban S, Imagawa H, Efferth T, Hegazy MEF, Umeyama A. Bifusicoumarins A-D: Cytotoxic 3S-dihydroisocoumarins from the entomopathogenic fungus Cordyceps bifusispora (NBRC 108997). PHYTOCHEMISTRY 2023:113743. [PMID: 37269936 DOI: 10.1016/j.phytochem.2023.113743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 05/23/2023] [Accepted: 05/28/2023] [Indexed: 06/05/2023]
Abstract
Cordyceps is a genus of ascomycete fungi with some of them being edible and/or having a long tradition in Chinese medicine. The chemical characterization of a solvent extract of the entomopathogenic fungus Cordyceps bifusispora afforded four undescribed coumarins, bifusicoumarin A-D (1-4), along with previously reported metabolites (5-8). Structural elucidation was performed via NMR, UV and HRMS analyses, X-ray single crystal diffraction and experimental ECD. The high throughput resazurin reduction assay, that measures cell viability, indicated that 5 has a IC50 between 1 and 15 μM for several assayed tumor lines. Moreover, a protein-interaction network indicated that C. bifusispora is a promising source of additional antitumor metabolites based on SwissTargetPrediction software predictions.
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Affiliation(s)
- Abdelsamed I Elshamy
- Chemistry of Natural Compounds Department, National Research Centre, 33 El Bohouth St., Dokki, Giza, 12622, Egypt.
| | - Tarik A Mohamed
- Chemistry of Medicinal Plants Department, National Research Centre, 33 El-Bohouth St., Dokki, Giza, 12622, Egypt
| | - Tatsuro Yoneyama
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, 770-8514, Japan
| | - Masaaki Noji
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, 770-8514, Japan
| | - Sayaka Ban
- Medical Mycology Research Center, Chiba University, Japan
| | - Hiroshi Imagawa
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, 770-8514, Japan
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, University of Mainz, Staudinger Weg 5, 55128 Mainz, Germany
| | - Mohamed-Elamir F Hegazy
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, 770-8514, Japan.
| | - Akemi Umeyama
- Chemistry of Medicinal Plants Department, National Research Centre, 33 El-Bohouth St., Dokki, Giza, 12622, Egypt.
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Shafiee F, Rabbani F, Yazdiniapour Z, Ghanadian M, Zolfaghari B, Maleki M. Cytotoxicity and apoptosis assay of novel cyclomyrsinol diterpenes against breast cancer cell lines. WORLD JOURNAL OF TRADITIONAL CHINESE MEDICINE 2021. [DOI: 10.4103/wjtcm.wjtcm_6_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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3
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Kopetdaghinanes, pro-apoptotic hemiacetialic cyclomyrsinanes from Euphorbia kopetdaghi. Fitoterapia 2020; 146:104636. [DOI: 10.1016/j.fitote.2020.104636] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/19/2020] [Accepted: 05/23/2020] [Indexed: 01/23/2023]
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4
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Fattahian M, Ghanadian M, Ali Z, Khan IA. Jatrophane and rearranged jatrophane-type diterpenes: biogenesis, structure, isolation, biological activity and SARs (1984-2019). PHYTOCHEMISTRY REVIEWS : PROCEEDINGS OF THE PHYTOCHEMICAL SOCIETY OF EUROPE 2020; 19:265-336. [PMID: 32292314 PMCID: PMC7152985 DOI: 10.1007/s11101-020-09667-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 02/29/2020] [Indexed: 05/12/2023]
Abstract
Diterpene compounds specially macrocyclic ones comprising jatrophane, lathyrane, terracinolide, ingenane, pepluane, paraliane, and segetane skeletons occurring in plants of the Euphorbiaceae family are of considerable interest in the context of natural product drug discovery programs. They possess diverse complex skeletons and a broad spectrum of therapeutically relevant biological activities including anti-inflammatory, anti-chikungunya virus, anti-HIV, cytotoxic, and multidrug resistance-reversing activities as well as curative effects on thrombotic diseases. Among macrocyclic diterpenes of Euphorbia, the discovery of jatrophane and modified jatrophane diterpenes with a wide range of structurally unique polyoxygenated polycyclic derivatives and as a new class of powerful inhibitors of P-glycoprotein has opened new frontiers for research studies on this genus. In this review, an attempt has been made to give in-depth coverage of the articles on the naturally occurring jatrophanes and rearranged jatrophane-type diterpenes isolated from species belonging to the Euphorbiaceae family published from 1984 to March 2019, with emphasis on the biogenesis, isolation methods, structure, biological activity, and structure-activity relationship.
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Affiliation(s)
- Maryam Fattahian
- School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mustafa Ghanadian
- School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677 USA
| | - Zulfiqar Ali
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677 USA
| | - Ikhlas A. Khan
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677 USA
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5
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Elshamy AI, Mohamed TA, Al-Rowaily SL, Abd-ElGawad AM, Dar BA, Shahat AA, Hegazy MEF. Euphosantianane E-G: Three New Premyrsinane Type Diterpenoids from Euphorbia sanctae-catharinae with Contribution to Chemotaxonomy. Molecules 2019; 24:molecules24132412. [PMID: 31261927 PMCID: PMC6651875 DOI: 10.3390/molecules24132412] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 06/26/2019] [Accepted: 06/26/2019] [Indexed: 11/16/2022] Open
Abstract
Euphorbia species were widely used in traditional medicines for the treatment of several diseases. From the aerial parts of Egyptian endemic plant, Euphorbia sanctae-catharinae, three new premyrsinane diterpenoids, namely, euphosantianane E-G (1-3), alongside four known triterpenes, 9,19-cyclolanostane-3β,24S-diol (4), 25-methoxycycloartane-3β,24S-diol (5), 25-methylenecycloartan-3β,24R-diol (6), and 25-methylenecycloartan-3β,24S-diol (7), were isolated and identified. The chemical structures were proven depending upon spectroscopic analysis, including FTIR, HRFABMS, and 1D/2D-NMR. The chemotaxonomic significance of the isolated compounds, especially diterpenes from E. sanctae-catharinae compared to those documented from different Euphorbia species was also studied via agglomerative hierarchical clustering (AHC). The Egyptian endemic Euphorbia sanctae-catharina was grouped with E. bupleuroides, E. fidjiana, E. fischeriana, E. pithyusa subsp. cupanii, E. prolifera, and E. seguieriana, where myrsinol diterpenoids were the characteristic compounds.
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Affiliation(s)
- Abdelsamed I Elshamy
- Natural Compounds Chemistry Department, National Research Centre, 12622, 33 El Bohouth St., Dokki, Giza 12622, Egypt
| | - Tarik A Mohamed
- Chemistry of Medicinal Plants Department, National Research Centre, 33 El-Bohouth St., Dokki, Giza 12622, Egypt
| | - Saud L Al-Rowaily
- Plant Production Department, College of Food & Agriculture Sciences, King Saud University, P.O. Box 2460 Riyadh 11451, Saudi Arabia
| | - Ahmed M Abd-ElGawad
- Plant Production Department, College of Food & Agriculture Sciences, King Saud University, P.O. Box 2460 Riyadh 11451, Saudi Arabia
- Department of Botany, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
| | - Basharat A Dar
- Plant Production Department, College of Food & Agriculture Sciences, King Saud University, P.O. Box 2460 Riyadh 11451, Saudi Arabia
| | - Abdelaaty A Shahat
- Chemistry of Medicinal Plants Department, National Research Centre, 33 El-Bohouth St., Dokki, Giza 12622, Egypt
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Mohamed-Elamir F Hegazy
- Chemistry of Medicinal Plants Department, National Research Centre, 33 El-Bohouth St., Dokki, Giza 12622, Egypt.
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, University of Mainz, Staudinger Weg 5, 55128 Mainz, Germany.
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6
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Krstić G, Jadranin M, Todorović NM, Pešić M, Stanković T, Aljančić IS, Tešević VV. Jatrophane diterpenoids with multidrug-resistance modulating activity from the latex of Euphorbia nicaeensis. PHYTOCHEMISTRY 2018; 148:104-112. [PMID: 29421506 DOI: 10.1016/j.phytochem.2018.01.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 01/19/2018] [Accepted: 01/23/2018] [Indexed: 06/08/2023]
Abstract
Seven previously undescribed jatrophane diterpenoids, nicaeenin A-G, with eight known jatrophane diterpenoids, namely euphodendrophanes A-C, F, N, O, Q, S, were isolated from latex of Euphorbia nicaeensis collected in Serbia. The chemical structures of the compounds were determined by spectroscopic analysis including 1D and 2D NMR and HRESIMS experiments. All but one of the previously undescribed jatrophanes, showed significant potential to inhibit P-glycoprotein (P-gp) activity in two MDR cancer cells (NCI-H460/R and DLD1-TxR). The most powerful were nicaeenin F and nicaeenin G. Moreover nicaeenin G significantly stronger sensitized NCI-H460/R cells to DOX than Dex-VER.
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Affiliation(s)
- Gordana Krstić
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11158, Belgrade, Serbia
| | - Milka Jadranin
- Institute of Chemistry, Technology and Metallurgy, Center for Chemistry, University of Belgrade, Njegoševa 12, 11000, Belgrade, Serbia
| | - Nina M Todorović
- Institute of Chemistry, Technology and Metallurgy, Center for Chemistry, University of Belgrade, Njegoševa 12, 11000, Belgrade, Serbia
| | - Milica Pešić
- Institute for Biological Research, Department of Neurobiology, University of Belgrade, Bulevar Despota Stefana 142, 11060, Belgrade, Serbia
| | - Tijana Stanković
- Institute for Biological Research, Department of Neurobiology, University of Belgrade, Bulevar Despota Stefana 142, 11060, Belgrade, Serbia
| | - Ivana S Aljančić
- Institute of Chemistry, Technology and Metallurgy, Center for Chemistry, University of Belgrade, Njegoševa 12, 11000, Belgrade, Serbia.
| | - Vele V Tešević
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11158, Belgrade, Serbia
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7
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Hu R, Gao J, Rozimamat R, Aisa HA. Jatrophane diterpenoids from Euphorbia sororia as potent modulators against P-glycoprotein-based multidrug resistance. Eur J Med Chem 2018; 146:157-170. [DOI: 10.1016/j.ejmech.2018.01.027] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 01/07/2018] [Accepted: 01/08/2018] [Indexed: 11/30/2022]
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8
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Nabatchian F, Moradi A, Aghaei M, Ghanadian M, Jafari SM, Tabesh S. New 6(17)-epoxylathyrane diterpene: aellinane from Euphorbia aellenii induces apoptosis via mitochondrial pathway in ovarian cancer cell line. Toxicol Mech Methods 2017. [DOI: 10.1080/15376516.2017.1347735] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Fariba Nabatchian
- Department of Clinical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Afshin Moradi
- Department of Clinical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmoud Aghaei
- Department of Clinical Biochemistry, School of Pharmacy & Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
- Isfahan Pharmaceutical Sciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mustafa Ghanadian
- Isfahan Pharmaceutical Sciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Seyyed Mehdi Jafari
- Department of Clinical Biochemistry, School of Pharmacy & Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Samineh Tabesh
- Isfahan Pharmaceutical Sciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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9
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Heliosterpenoids A and B, two Novel Jatrophane-Derived Diterpenoids with a 5/6/4/6 Ring System from Euphorbia helioscopia. Sci Rep 2017; 7:4922. [PMID: 28687752 PMCID: PMC5501787 DOI: 10.1038/s41598-017-04399-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 05/12/2017] [Indexed: 11/08/2022] Open
Abstract
Heliosterpenoids A and B (1 and 2), two unprecedented jatrophane-derived diterpenoid esters with a novel 5/6/4/6-fused tetracyclic ring skeleton, were isolated from the whole plants of Euphorbia helioscopia. The structures of 1 and 2 were elucidated by extensive spectroscopic methods and electronic circular dichroism (ECD) analyses. The plausible biogenetic pathways of 1 and 2 were postulated. 1 and 2 were found to be potent inhibitors of P-glycoprotein (ABCB1) and 1 also exhibited cytotoxicity against MDA-MB-231 cell lines.
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10
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Jatrophane diterpenes from Euphorbia guyoniana are new potent inhibitors of atrial GIRK channels. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.08.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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11
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Islam MT, da Mata AMOF, de Aguiar RPS, Paz MFCJ, de Alencar MVOB, Ferreira PMP, de Carvalho Melo-Cavalcante AA. Therapeutic Potential of Essential Oils Focusing on Diterpenes. Phytother Res 2016; 30:1420-44. [PMID: 27307034 DOI: 10.1002/ptr.5652] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 05/02/2016] [Accepted: 05/03/2016] [Indexed: 12/20/2022]
Abstract
Among all plant derivates, essential oils (EOs) have gained the attention of many scientists. Diterpenes, a family of components present in some EO, are becoming a milestone in the EOs world. The goal of this review is to describe a scenario of diterpenes taking into health-consumption deportment. Previous studies revealed that diterpenes have antioxidant, antimicrobial, antiviral, antiprotozoal, cytotoxic, anticancer, antigenotoxic, antimutagenic, chemopreventive, antiinflammatory, antinociceptive, immunostimulatory, organoprotective, antidiabetic, lipid-lowering, antiallergic, antiplatelet, antithrombotic, and antitoxin activities. In conclusion, diterpenes may be an immense featuring concern in pharmaceutical consumption from a drug discovery point of view. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Md Torequl Islam
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Department of Pharmacy, Southern University Bangladesh, 22-Shahid Mirza Lane (E), Academic Building-II, 1st floor, 739/A, Mehedibag Road, Mehedibag-4000, Chittagong, Bangladesh
| | | | - Raí Pablo Sousa de Aguiar
- Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil
| | - Marcia Fernanda Correia Jardim Paz
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil
| | - Marcus Vinícius Oliveira Barros de Alencar
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil
| | - Paulo Michel Pinheiro Ferreira
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Department of Biophysics and Physiology, Federal University of Piauí, Teresina, 64.049-550, Brazil
| | - Ana Amélia de Carvalho Melo-Cavalcante
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil
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Vasas A, Hohmann J. Euphorbia Diterpenes: Isolation, Structure, Biological Activity, and Synthesis (2008–2012). Chem Rev 2014; 114:8579-612. [DOI: 10.1021/cr400541j] [Citation(s) in RCA: 310] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Andrea Vasas
- Department of Pharmacognosy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | - Judit Hohmann
- Department of Pharmacognosy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
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13
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Huang SZ, Zhang X, Ma QY, Peng H, Zheng YT, Hu JM, Dai HF, Zhou J, Zhao YX. Anti-HIV-1 tigliane diterpenoids from Excoecaria acertiflia Didr. Fitoterapia 2014; 95:34-41. [PMID: 24613801 DOI: 10.1016/j.fitote.2014.02.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 02/21/2014] [Accepted: 02/25/2014] [Indexed: 10/25/2022]
Abstract
Three tigliane-type diterpenoids named excoecafolins A-C and two daphnane-type diterpenoids named excoecafolins D and E, together with 13 known compounds, were isolated from the EtOAc extract of Excoecaria acerifolia Didr. Their structures were elucidated through the analysis of the spectroscopic data. The anti-HIV-1 activity evaluation of five of these compounds showed that four possessed moderate anti-HIV-1 activities with EC50 0.258, 0.036, 0.046, and 0.978 μM, SI >1,836.9, 431.1, 298.7, and >503.7, respectively. Additionally, the chemotaxonomic issue of the affinity correlation between Thymelaeceae and Euphorbiaceae is discussed based on the isolates.
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Affiliation(s)
- Sheng-Zhuo Huang
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, PR China; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, PR China
| | - Xuan Zhang
- Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650204, PR China
| | - Qing-Yun Ma
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, PR China
| | - Hua Peng
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, PR China
| | - Yong-Tang Zheng
- Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650204, PR China
| | - Jiang-Miao Hu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, PR China
| | - Hao-Fu Dai
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, PR China
| | - Jun Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, PR China.
| | - You-Xing Zhao
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, PR China.
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Haba H, Marcourt L, Benkhaled M, Long C. Minor Ent-abietane Diterpenoids from Euphorbia guyoniana. Nat Prod Commun 2013. [DOI: 10.1177/1934578x1300801105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Three new abietane-type diterpenoids: ent-abieta-8,11,13-trien-16-ol (1), ent-abieta-8,11,13-trien-11,16-diol (2) and 11,12-dihydroxy-7-oxo- ent-abieta-8,11,13-trien-16-oic acid methyl ester (3), in addition to three known triterpenoids: euphol (4), 24,25-epoxycycloartanol (5) and β-sitosterol O-β-D-glucoside (6) were isolated from the chloroform extract of the roots of Euphorbia guyoniana. Structures of the isolated compounds were established on the basis of spectroscopic analyses, including 1D and 2D homo and heteronuclear NMR experiments and ESIMS, and comparison with literature data.
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Affiliation(s)
- Hamada Haba
- Laboratoire de Chimie et Chimie de l'Environnement (L.C.C.E), Département de Chimie, Faculté des Sciences, Université de Batna, Batna 05000, Algeria
| | - Laurence Marcourt
- Centre de Recherche sur les Substances Naturelles, UMS CNRS 2597, 3 rue des Satellites, BP 94244, 31432 Toulouse, France
| | - Mohammed Benkhaled
- Laboratoire de Chimie et Chimie de l'Environnement (L.C.C.E), Département de Chimie, Faculté des Sciences, Université de Batna, Batna 05000, Algeria
| | - Christophe Long
- Centre de Recherche sur les Substances Naturelles, UMS CNRS 2597, 3 rue des Satellites, BP 94244, 31432 Toulouse, France
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Tao WW, Duan JA, Tang YP, Yang NY, Li JP, Qian YF. Casbane diterpenoids from the roots of Euphorbia pekinensis. PHYTOCHEMISTRY 2013; 94:249-53. [PMID: 23849544 DOI: 10.1016/j.phytochem.2013.06.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2012] [Revised: 03/16/2013] [Accepted: 06/04/2013] [Indexed: 05/13/2023]
Abstract
Four casbane diterpenoids, together with three known related compounds were isolated from the roots of Euphorbia pekinensis. Their structures were elucidated on the basis of spectroscopic studies and comparison with the known related compounds. In addition, the absolute configuration of three compounds was determined by the modified Mosher's method. The isolated compounds were evaluated for their cytotoxic activity against seven human cancer cell lines by a WST-8 assay.
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Affiliation(s)
- Wei-Wei Tao
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, China
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AL-SEHEMI ABDULLAHG, IRFAN AHMAD, ALJUBIRI SALHAMANA, SHAKER KAMELHUSSEIN. COMBINED EXPERIMENTAL AND COMPUTATIONAL STUDY OF THE RADICAL SCAVENGING ACTIVITY OF LUTEOLIN. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2013. [DOI: 10.1142/s0219633613500211] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The luteolin has been extracted from Euphorbia schimperiana then 1H NMR, 13C NMR and 2D NMR spectra were measured. The ground-state geometries have been computed by using density functional theory (DFT) at B3LYP/6-31G* and M06/6-31++G** level of theories. The time dependent density functional theory (TD-DFT) has been applied to compute the absorption spectra with and without solvent. The absorption spectra have been computed in methanol to check the effect of solvent using the polarized continuum model (PCM). On the basis of bond dissociation enthalpy (BDE) and the adiabatic ionization potential (IP), we have explained the antioxidant activity of luteolin and its rotamer/positional isomer. Two mechanisms have been explained for the radical scavenging processes, i.e. hydrogen atom transfer and one-electron transfer.
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Affiliation(s)
- ABDULLAH G. AL-SEHEMI
- Department of Chemistry, Faculty of Science, King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia
- Unit of Science and Technology, Faculty of Science, King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia
| | - AHMAD IRFAN
- Department of Chemistry, Faculty of Science, King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia
| | - SALHA MANA ALJUBIRI
- Department of Chemistry, Faculty of Science, King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia
| | - KAMEL HUSSEIN SHAKER
- Department of Chemistry, Faculty of Science, King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia
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Vasas A, Sulyok E, Rédei D, Forgo P, Szabó P, Zupkó I, Berényi Á, Molnár J, Hohmann J. Jatrophane diterpenes from Euphorbia esula as antiproliferative agents and potent chemosensitizers to overcome multidrug resistance. JOURNAL OF NATURAL PRODUCTS 2011; 74:1453-1461. [PMID: 21612217 DOI: 10.1021/np200202h] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Phytochemical study of whole, undried plants of Euphorbia esula led to the isolation of six new (1-6) jatrophane diterpene polyesters, named esulatins H-M, together with the known compounds 2α,3β,5α,7β,15β-pentaacetoxy-9α-nicotinoyloxyjatropha-6(17),11-dien-14-one (7), salicinolide (8), and euphosalicin (9). The structures and relative configuration of 1-6 were established on the basis of extensive spectroscopic analysis, including HRESIMS and one- and two-dimensional NMR techniques. All these compounds, together with diterpenes (10-14) isolated previously from this plant, were evaluated for their antiproliferative activity against HeLa, Ishikawa, and MCF7 cells. The multidrug-resistance-reversing activities were also investigated on L5178 mouse lymphoma cells transfected with the pHa MDR1/A retrovirus DNA. Preliminary structure-activity relationship data are discussed.
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Affiliation(s)
- Andrea Vasas
- Department of Pharmacognosy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
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Reyes BM, Ramírez-Apan MT, Toscano RA, Delgado G. Triterpenes from Garcia parviflora. Cytotoxic evaluation of natural and semisynthetic friedelanes. JOURNAL OF NATURAL PRODUCTS 2010; 73:1839-1845. [PMID: 20958014 DOI: 10.1021/np100440p] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Three new friedelane-type triterpenes, 1,2-dehydro-2,3-secofriedelan-3-oic acid (1), 1β-hydroxyfriedelin (2), and 3β-hydroxyfriedelan-23-oic acid (3), and the known compounds friedelin-3,4-lactone (4), acetyl aleuritolic acid (5), 4-hydroxy-5-propionyl-1,3-di-O-methylpyrogallol, elemicin, and (-)-syringaresinol were isolated from the leaves of Garcia parviflora. The structures of 1-3 were elucidated by spectroscopic methods, including 1D and 2D NMR, HREIMS, X-ray, and CD analysis. Some derivatives of 2 (6-14) were prepared via oxidation, reduction, and esterification. The natural triterpenes and the semisynthetic friedelane derivatives were tested for cytotoxic activity against human cancer cell lines U251, PC-3, K562, HCT-15, MCF-7, and SKLU-1. Compound 5 was cytotoxic against U251 cells.
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Affiliation(s)
- Blanca M Reyes
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Circuito Exterior, Coyoacán 04510, México DF
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