1
|
Zafar S, Armaghan M, Khan K, Hassan N, Sharifi-Rad J, Habtemariam S, Kieliszek M, Butnariu M, Bagiu IC, Bagiu RV, Cho WC. New insights into the anticancer therapeutic potential of maytansine and its derivatives. Biomed Pharmacother 2023; 165:115039. [PMID: 37364476 DOI: 10.1016/j.biopha.2023.115039] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 06/28/2023] Open
Abstract
Maytansine is a pharmacologically active 19-membered ansamacrolide derived from various medicinal plants and microorganisms. Among the most studied pharmacological activities of maytansine over the past few decades are anticancer and anti-bacterial effects. The anticancer mechanism of action is primarily mediated through interaction with the tubulin thereby inhibiting the assembly of microtubules. This ultimately leads to decreased stability of microtubule dynamics and cause cell cycle arrest, resulting in apoptosis. Despite its potent pharmacological effects, the therapeutic applications of maytansine in clinical medicine are quite limited due to its non-selective cytotoxicity. To overcome these limitations, several derivatives have been designed and developed mostly by modifying the parent structural skeleton of maytansine. These structural derivatives exhibit improved pharmacological activities as compared to maytansine. The present review provides a valuable insight into maytansine and its synthetic derivatives as anticancer agents.
Collapse
Affiliation(s)
- Sameen Zafar
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Punjab, Pakistan
| | - Muhammad Armaghan
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Punjab, Pakistan
| | - Khushbukhat Khan
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Punjab, Pakistan.
| | - Nazia Hassan
- Department of Biochemistry, University of Agriculture Faisalabad, Pakistan
| | | | - Solomon Habtemariam
- Pharmacognosy Research & Herbal Analysis Services UK, University of Greenwich, Central Avenue, Chatham-Maritime, Kent ME4 4TB, UK.
| | - Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 C, 02-776 Warsaw, Poland.
| | - Monica Butnariu
- University of Life Sciences "King Mihai I" from Timisoara, 300645, Calea Aradului 119, Timis, Romania.
| | - Iulia-Cristina Bagiu
- Victor Babes University of Medicine and Pharmacy of Timisoara, Department of Microbiology, Timisoara, Romania; Multidisciplinary Research Center on Antimicrobial Resistance, Timisoara, Romania
| | - Radu Vasile Bagiu
- Victor Babes University of Medicine and Pharmacy of Timisoara, Department of Microbiology, Timisoara, Romania; Preventive Medicine Study Center, Timisoara, Romania
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong Special Administrative Region.
| |
Collapse
|
2
|
Huang Y, Chen L, Yao J, Jia X, Deng F, Mo J, Yuan J. Two new triterpenes isolated from Maytenus guangxiensis C. Y. Cheng et W. L. Sha and their antiproliferative activities. Nat Prod Res 2022; 37:1498-1504. [PMID: 35014566 DOI: 10.1080/14786419.2021.2023870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Two new triterpenes, 3β, 7β-dihydroxyolean-12-en-11-one (1) and 3β-O-acetyl-7β-hydroxyolean-12-en-11-one (2), along with four known triterpenes 3β-hydroxyolean-12-en-11-one (3), β-amyrin (4), lup-20(29)-ene-1β, 3β-diol (5) and 1β, 3β-dihydroxy-urs-9(11)-12-diene (6), were isolated from the stems and leaves of Maytenus guangxiensis C. Y. Cheng et W. L. Sha. Their structures were elucidated using 1D and 2D NMR spectroscopy as well as MS and IR experiments. Compounds (3-6) were isolated from M. guangxiensis for the first time. Compounds 1-6 were evaluated for their antiproliferative activities against Eca-109, PANC-1, EJ and HeLa cell lines. The results showed that compounds 1-6 displayed a certain degree of inhibitory effects against the proliferation of various human cancer cell lines.
Collapse
Affiliation(s)
- YuanYuan Huang
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning, China.,School of Chemistry and Materials, Nanning Normal University, Nanning, China
| | - Lu Chen
- Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Jing Yao
- Centre for Translational Medical Research in Integrative Chinese and Western Medicine, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning, China
| | - XueGong Jia
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning, China
| | - FuSheng Deng
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning, China
| | - JingYa Mo
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning, China
| | - JingQuan Yuan
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning, China
| |
Collapse
|
3
|
Huang YY, Chen L, Ma GX, Xu XD, Jia XG, Deng FS, Li XJ, Yuan JQ. A Review on Phytochemicals of the Genus Maytenus and Their Bioactive Studies. Molecules 2021; 26:4563. [PMID: 34361712 PMCID: PMC8347511 DOI: 10.3390/molecules26154563] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/19/2021] [Accepted: 07/23/2021] [Indexed: 12/20/2022] Open
Abstract
The genus Maytenus is a member of the Celastraceae family, of which several species have long been used in traditional medicine. Between 1976 and 2021, nearly 270 new compounds have been isolated and elucidated from the genus Maytenus. Among these, maytansine and its homologues are extremely rare in nature. Owing to its unique skeleton and remarkable bioactivities, maytansine has attracted many synthetic endeavors in order to construct its core structure. In this paper, the current status of the past 45 years of research on Maytenus, with respect to its chemical and biological activities are discussed. The chemical research includes its structural classification into triterpenoids, sesquiterpenes and alkaloids, along with several chemical synthesis methods of maytansine or maytansine fragments. The biological activity research includes activities, such as anti-tumor, anti-bacterial and anti-inflammatory activities, as well as HIV inhibition, which can provide a theoretical basis for the better development and utilization of the Maytenus.
Collapse
Affiliation(s)
- Yuan-Yuan Huang
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
- School of Chemistry and Materials, Nanning Normal University, Nanning 530001, China
| | - Lu Chen
- Research Department of Guangxi Botanical Garden of Medicinal Plants, Nanning 530023, China;
| | - Guo-Xu Ma
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China; (G.-X.M.); (X.-D.X.)
| | - Xu-Dong Xu
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China; (G.-X.M.); (X.-D.X.)
| | - Xue-Gong Jia
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
| | - Fu-Sheng Deng
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
| | - Xue-Jian Li
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
| | - Jing-Quan Yuan
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
- School of Chemistry and Materials, Nanning Normal University, Nanning 530001, China
| |
Collapse
|
4
|
Mu H, Tang S, Zuo Q, Huang M, Zhao W. Dihydro-β-agarofuran-Type Sesquiterpenoids from the Seeds of Celastrus virens and Their Multidrug Resistance Reversal Activity against the KB/VCR Cell Line. JOURNAL OF NATURAL PRODUCTS 2021; 84:588-600. [PMID: 33683135 DOI: 10.1021/acs.jnatprod.0c01182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Twenty-nine dihydro-β-agarofuran-type sesquiterpenoids, including 17 new and 12 known compounds, were obtained from the seeds of Celastrus virens. The structures of the new isolates were characterized by spectroscopic methods and X-ray diffraction analysis. Among these, 20 sesquiterpenoids were evaluated for their multidrug resistance (MDR) reversal activity against the KB/VCR cell line. As a result, compounds 6 and 8 were found to exhibit MDR-reversal activity of more than 10-fold at a concentration of 2 μM, and the reversal fold (RF) ratios of compounds 19, 21, and 24 were >97.9 at a 20 μM nontoxic concentration level.
Collapse
Affiliation(s)
- Hongyan Mu
- Department of Natural Products Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Shuai Tang
- Division of Antitumor Pharmacology and State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, People's Republic of China
| | - Quan Zuo
- Department of Natural Products Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Min Huang
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
- Division of Antitumor Pharmacology and State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Weimin Zhao
- Department of Natural Products Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| |
Collapse
|
5
|
Alizadeh M, Jalal M, Hamed K, Saber A, Kheirouri S, Pourteymour Fard Tabrizi F, Kamari N. Recent Updates on Anti-Inflammatory and Antimicrobial Effects of Furan Natural Derivatives. J Inflamm Res 2020; 13:451-463. [PMID: 32884326 PMCID: PMC7443407 DOI: 10.2147/jir.s262132] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 08/05/2020] [Indexed: 12/13/2022] Open
Abstract
The furan nucleus is found in a large number of biologically active materials. In recent years, many natural furan derivatives were isolated and their biological effects were investigated. In this review, we focused on the anti-inflammatory and antimicrobial effects of some natural furans and discussed their effects on the immune system. Our investigation revealed that furan natural derivatives have effective antioxidant activities and exert regulatory effects on various cellular activities by modifying some signaling pathways such as MAPK (mitogen-activated Protein Kinase) and PPAR-ɣ (peroxisome proliferator-activated receptor gamma). The antimicrobial activity of these natural compounds was performed through selective inhibition of microbial growth and modification of enzymes. Further studies are needed for isolation and detection of different furan derivatives from natural compounds and investigation of their precise mechanisms for revealing health beneficial effects of these compounds.
Collapse
Affiliation(s)
- Mohammad Alizadeh
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Moludi Jalal
- Department of Nutritional Sciences, School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Khodaei Hamed
- Department of Biochemistry and Diet Therapy, Faculty of Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Saber
- Department of Nutritional Sciences, School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sorayya Kheirouri
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Negin Kamari
- Department of Nutritional Sciences, School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| |
Collapse
|
6
|
|
7
|
Fu Y, Wang W, Gong Q, Zhang H, Zhao W. Neuroprotective Dihydro-β-agarofuran-Type Sesquiterpenes from the Seeds of Euonymus maackii. JOURNAL OF NATURAL PRODUCTS 2019; 82:3096-3103. [PMID: 31713425 DOI: 10.1021/acs.jnatprod.9b00701] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Twenty-one dihydro-β-agarofuran derivatives were purified from the seeds of Euonymus maackii, and eight compounds (1-8) were identified as new natural products. Their structures were deduced by extensive spectroscopic analysis, X-ray diffraction studies, and comparison of observed and reported NMR data. Compounds 10, 12, 17, and 18 significantly increased the cell viability of Aβ25-35-treated SH-SY5Y cells with effects similar to that of epigallocatechin gallate (EGCG). In addition, the abundant compound 9 reduced the seizure-like locomotor activity of zebrafish at 10 μM compared with a pentylenetetrazol-treated group.
Collapse
Affiliation(s)
- Yifan Fu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
- University of Chinese Academy of Sciences , Beijing 100049 , People's Republic of China
| | - Wei Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
| | - Qi Gong
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
| | - Haiyan Zhang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
| | - Weimin Zhao
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
| |
Collapse
|
8
|
Shen Y, Chen BL, Zhang QX, Zheng YZ, Fu Q. Traditional uses, secondary metabolites, and pharmacology of Celastrus species - a review. JOURNAL OF ETHNOPHARMACOLOGY 2019; 241:111934. [PMID: 31129308 DOI: 10.1016/j.jep.2019.111934] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 05/02/2019] [Accepted: 05/02/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Plants of genus Celastrus (Celastraceae) have been widely used in traditional Chinese medicine (TCM) and Indian medicine to treat cognitive dysfunction, epilepsy, insomnia, rheumatism, gout, and dyspepsia for thousands of years. AIM OF STUDY We critically summarized the current evidence on the botanic characterization and distribution, ethnopharmacology, secondary metabolites, pharmacological activities, qualitative and quantitative analysis, and toxicology of Celastrus species to provide perspectives for developing more attractive pharmaceuticals of plant origin. MATERIALS AND METHODS The relevant information on Celastrus species was gathered from worldwide accepted scientific databases via electronic search (Web of Science, SciFinder, PubMed, Elsevier, SpringerLink, Wiley Online, China Knowledge Resource Integrated, and Google Scholar). Information was also obtained from the literature and books as well as PhD and MSc dissertations. Plant names were validated by "The Plant List" (www.theplantlist.org). RESULTS Comprehensive analysis of the above mentioned databases and other sources confirmed that ethnomedical uses of plants of Celastrus genus had been recorded in China, India, and other countries in Southern Asia. The phytochemical investigation revealed the presence of β-dihydroagarofuranoids, diterpenoids, triterpenoids, tetraterpenes, phenylpropanoids, alkaloids, flavonoids, lignans, and others. The crude extracts and isolated constituents have exhibited a wide range of in vitro and in vivo pharmacological effects, including antitumor, cytotoxic, insecticidal, antimicrobial, anti-rheumatoid arthritis (RA), anti-inflammatory, anti-ageing and antioxidative, and neuroprotective activities. CONCLUSION Plants of genus Celastrus have been confirmed to show a strong potential for therapeutic and health-maintaining effects, in light of their long traditional use and the phytochemical and pharmacological studies summarized here. Currently, pharmacological studies of this genus mainly focus on Celastrus paniculatus Willd. and Celastrus orbiculatus Thunb. Therefore, more pharmacological investigations should be implemented to support traditional uses of other medicinal plants of the genus Celastrus. Moreover, studies on the toxicity, bioavailability, and pharmacokinetics, in addition to clinical trials, are indispensable for assessing the safety and efficacy of the secondary metabolites or extracts obtained from plants belonging to this genus.
Collapse
Affiliation(s)
- Yue Shen
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture Rural Affairs, College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China
| | - Bi-Lian Chen
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture Rural Affairs, College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China
| | - Qin-Xiu Zhang
- School of Medical and Life Sciences, Chengdu University of TCM, Chengdu, 610072, China
| | - Yu-Zhong Zheng
- School of Food Engineering and Biotechnology, Hanshan Normal University, Chaozhou, 521041, China
| | - Qiang Fu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture Rural Affairs, College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China.
| |
Collapse
|
9
|
Wei H, Zhang H, Han S, Mu S, Huang K, Chen G, Xie W. Concise syntheses of (+)-austrodoral and (+)-austrodoric acid Based on H2O2 mediated oxidative ring contraction. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.150973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
10
|
Fan D, Li T, Zheng Z, Zhu GY, Yao X, Jiang ZH, Bai LP. Macrolide sesquiterpene pyridine alkaloids from the stems of Tripterygium regelii. J Nat Med 2018; 73:23-33. [DOI: 10.1007/s11418-018-1232-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 07/23/2018] [Indexed: 11/30/2022]
|
11
|
Tantry MA, Khuroo MA, Shawl AS, Najar MH, Khan IA. Dihydro- β -agarofuran sesquiterpene pyridine alkaloids from the seeds of Euonymus hamiltonianus. JOURNAL OF SAUDI CHEMICAL SOCIETY 2016. [DOI: 10.1016/j.jscs.2012.11.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
12
|
Ning R, Lei Y, Liu S, Wang H, Zhang R, Wang W, Zhu Y, Zhang H, Zhao W. Natural β-Dihydroagarofuran-Type Sesquiterpenoids as Cognition-Enhancing and Neuroprotective Agents from Medicinal Plants of the Genus Celastrus. JOURNAL OF NATURAL PRODUCTS 2015; 78:2175-2186. [PMID: 26295746 DOI: 10.1021/acs.jnatprod.5b00234] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Alzheimer's disease (AD) is an irreversible, multifaceted, and progressive neurodegenerative disorder. Over the past 30 years, the search for anti-AD drugs has been primarily based on the cholinergic deficiency hypothesis and/or the β-amyloid (Aβ) cascade hypothesis. In this study, we report the identification of 16 new and 38 known β-dihydroagarofuran-type sesquiterpenoids from Celastrus flagellaris and Celastrus angulatus. The β-dihydroagarofuran-type sesquiterpenoids 58, 59, 61, and 63 significantly attenuated scopolamine-induced prolonged escape latency and increased number of errors compared with the control group. At 10 μM, 21 of the 62 tested β-dihydroagarofuran-type sesquiterpenoids rescued Aβ25-35-induced SH-SY5Y cells from viability reduction, which increased the cell viability from 64.6% for the model to more than 74.0%. The majority of the β-dihydroagarofuran-type sesquiterpenoids with ester groups exhibited stronger activity than those with free hydroxy groups or without substituents at the same positions. These results identified a new chemical skeleton as drug lead for the investigation of novel therapeutic agents against AD.
Collapse
Affiliation(s)
- Ruonan Ning
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Yun Lei
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Shuangzhu Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Huan Wang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Rujun Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Wei Wang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Yingdong Zhu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Haiyan Zhang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Weimin Zhao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| |
Collapse
|
13
|
Cai T, Luo YG, Zhou M, Wang D, Wu ZJ, Fang DM, Zhang GL. Untargeted analysis of sesquiterpene pyridine alkaloids from the dried roots of Tripterygium wilfordii using high-performance liquid chromatography/electrospray ionization tandem mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2015; 29:965-972. [PMID: 26407311 DOI: 10.1002/rcm.7186] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Revised: 01/15/2015] [Accepted: 03/01/2015] [Indexed: 06/05/2023]
Abstract
RATIONALE Sesquiterpene pyridine alkaloids are a large group of highly oxygenated sesquiterpenoids that have attracted attention in the fields of medicine because of their significant biological activities. METHODS Reference compounds including 14 sesquiterpene pyridine alkaloids and one dihydroagarofuran ester were analyzed by collision-induced dissociation tandem mass spectrometry (CID-MS/MS). A high-performance liquid chromatography/electrospray ionization (HPLC/ESI)-MS/MS method at two collision energies was adopted to investigate the botanical extracts of Tripterygium wilfordii. RESULTS For 15 reference compounds, in the high mass range, the product ions were formed by the loss of side chains or H2 O. In the low mass range, the high-abundance product ions at m/z 206, 204, or 194 were the characteristic ions of the pyridine moiety. The characteristic product ion at m/z 310 was formed through an ion-neutral complex intermediate. Fifty-four sesquiterpenoid derivatives, including 50 sesquiterpene pyridine alkaloids, were identified or tentatively characterized in botanical extracts of T. wilfordii based on their elemental constituents, characteristic fragmentation patterns, and the major product ion profiles of the reference compounds ascertained with HPLC/ESI-MS/MS at two collision energies. It seems that isocratic energy was appropriate for the untargeted analysis of compounds with molecular weights exceeding 800 Da, whereas a linear gradient energy vs molecular weight was suitable for those compounds with molecular weights below 800 Da. CONCLUSIONS The HPLC/ESI-MS/MS method, combining characteristic fragmentation patterns and the profiles of the product ions generated at different collision energies, is an effective technique for characterizing untargeted compounds.
Collapse
Affiliation(s)
- Tian Cai
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
- University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Ying-Gang Luo
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Min Zhou
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Dan Wang
- West China School of Pharmacy Sichuan University, Chengdu, 610041, China
- Chengdu University, Chengdu, 610106, China
| | - Zhi-Jun Wu
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Dong-Mei Fang
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Guo-Lin Zhang
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| |
Collapse
|
14
|
Mba'ning BM, Lenta BN, Noungoué DT, Antheaume C, Fongang YF, Ngouela SA, Boyom FF, Rosenthal PJ, Tsamo E, Sewald N, Laatsch H. Antiplasmodial sesquiterpenes from the seeds of Salacia longipes var. camerunensis. PHYTOCHEMISTRY 2013; 96:347-352. [PMID: 23863332 DOI: 10.1016/j.phytochem.2013.06.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Revised: 06/12/2013] [Accepted: 06/17/2013] [Indexed: 06/02/2023]
Abstract
Phytochemical investigation of the seeds of Salacia longipes var. camerunensis led to the isolation of four sesquiterpenoid derivatives, salaterpene A (1) (1α,2β,8β-triacetoxy-6β,9β-dibenzoyloxy-4β-hydroxy-dihydro-β-agarofuran), salaterpene B (2) (1α,2β,8β-triacetoxy-9β-benzoyloxy-6β-cinnamoyloxy-4β-hydroxy-dihydro-β-agarofuran), salaterpene C (3) (1α,2β-diacetoxy-6β,9β-dibenzoyloxy-4β-hydroxy-dihydro-β-agarofuran) and salaterpene D (4) (2β-acetoxy-1α,6β-dibenzoyloxy-4β-hydroxy-9β-nicotinoyloxy-dihydro-β-agarofuran) together with two known compounds (5 and 6). The structures of the compounds were established by means of NMR spectroscopy. Compounds 1-4 and 6 were tested in vitro for their antiplasmodial activity against Plasmodium falciparum chloroquine-resistant strain W2. All the tested compounds exhibited a moderate potency with IC50 below 2.7 μM.
Collapse
Affiliation(s)
- Brice M Mba'ning
- Department of Organic Chemistry, Faculty of Science, University of Yaoundé 1, P.O. Box 812, Yaoundé, Cameroon
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
15
|
Tang JJ, Zhang FY, Wang DM, Tian JM, Dong S, Gao JM. Semisynthesis and antifeedant activity of new derivatives of a dihydro-β-agarofuran from Parnassia wightiana. Int J Mol Sci 2013; 14:19484-93. [PMID: 24077121 PMCID: PMC3821568 DOI: 10.3390/ijms141019484] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Revised: 08/22/2013] [Accepted: 09/10/2013] [Indexed: 11/16/2022] Open
Abstract
Five new derivatives (2-6) were semi-synthesized using compound 1, a dihydro-β-agarofuran sesquiterpene with C-2 ketone obtained from Parnassia wightiana, as the starting material by acylation, oxidation, reduction, esterification, and amination, respectively. Structures of 2-6 were confirmed by 1D- and 2D-NMR and HR-ESI-MS spectra. In addition, antifeedant activities of these compounds (1-6) were tested against the 3rd-instar larvae of Mythimna separata. Antifeedant effects of compounds 2 and 4 were greater than the parent compound 1 whereas other compounds exhibited low to no feeding deterrent effects against third instar M. separata larvae in lab bioassays. Therefore, our results suggest that acylated and reduced derivatives at C-8 and C-2, respectively, of 1 may improve the antifeeding effect. This preliminary information will be useful in designing new insect control agents against M. separata and other important pests.
Collapse
Affiliation(s)
- Jiang-Jiang Tang
- Shaanxi Engineering Center of Bioresource Chemistry & Sustainable Utilization, College of Science, Northwest A&F University, Yangling 712100, Shaanxi, China; E-Mails: (J.-J.T.); (F.-Y.Z.); (J.-M.T.); (S.D.)
| | - Fei-Yu Zhang
- Shaanxi Engineering Center of Bioresource Chemistry & Sustainable Utilization, College of Science, Northwest A&F University, Yangling 712100, Shaanxi, China; E-Mails: (J.-J.T.); (F.-Y.Z.); (J.-M.T.); (S.D.)
| | - Dong-Mei Wang
- College of Forestry, Northwest A&F University, Yangling 712100, Shaanxi, China; E-Mail:
| | - Jun-Mian Tian
- Shaanxi Engineering Center of Bioresource Chemistry & Sustainable Utilization, College of Science, Northwest A&F University, Yangling 712100, Shaanxi, China; E-Mails: (J.-J.T.); (F.-Y.Z.); (J.-M.T.); (S.D.)
| | - Shuai Dong
- Shaanxi Engineering Center of Bioresource Chemistry & Sustainable Utilization, College of Science, Northwest A&F University, Yangling 712100, Shaanxi, China; E-Mails: (J.-J.T.); (F.-Y.Z.); (J.-M.T.); (S.D.)
| | - Jin-Ming Gao
- Shaanxi Engineering Center of Bioresource Chemistry & Sustainable Utilization, College of Science, Northwest A&F University, Yangling 712100, Shaanxi, China; E-Mails: (J.-J.T.); (F.-Y.Z.); (J.-M.T.); (S.D.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +86-29-8709-2515; Fax: +86-29-8709-2226
| |
Collapse
|
16
|
Momtaz S, Hussein A, Ostad S, Abdollahi M, Lall N. Growth inhibition and induction of apoptosis in human cancerous HeLa cells by Maytenus procumbens. Food Chem Toxicol 2013; 51:38-45. [DOI: 10.1016/j.fct.2012.09.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Revised: 08/31/2012] [Accepted: 09/10/2012] [Indexed: 11/28/2022]
|
17
|
Gupta V, Sharma M. Phytochemical Analysis and Evaluation of Antioxidant Activities of Methanolic Extracts of Maytenus emarginata. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2012; 16:257-62. [DOI: 10.1089/omi.2011.0051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Vandana Gupta
- Department of Biotechnology, Uttarakhand Technical University, Dehradun, India
| | - Mukta Sharma
- Department of Applied Sciences, Rawal Institute of Engineering & Technology, Faridabad, India
| |
Collapse
|
18
|
Wei S, Gao J, Wu W, Ji Z, Zhang J. Simultaneous identification of multiple celangulins from the root bark of Celastrus angulatus using high-performance liquid chromatography-diode array detector-electrospray ionisation-tandem mass spectrometry. PHYTOCHEMICAL ANALYSIS : PCA 2012; 23:23-33. [PMID: 21520311 DOI: 10.1002/pca.1321] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Revised: 01/27/2011] [Accepted: 01/27/2011] [Indexed: 05/30/2023]
Abstract
INTRODUCTION Celangulins are a small family of β-dihydroagarofuran sesquiterpenoids endowed with diverse polyoxygenated polyol esters and various biological properties. Since our research focuses on celangulins, the development of rapid and sensitive online analytical methods to analyse and characterise them is of great significance. OBJECTIVE To develop an HPLC-DAD-ESI-MS/MS method capable of simple and rapid analysis of celangulins in crude extract of root bark of C. angulatus extracts. METHODOLOGY High-performance liquid chromatography coupled with a diode array detector and electrospray ionisation tandem mass spectrometry was established for the efficient and rapid identification of the celangulins. Chromatographic separations of celangulins were performed on a Hypersil Gold C(18) reverse-phase column by gradient elution with acetonitrile-water as mobile phase at a flow-rate 0.2 mL/min. RESULTS ESI/MS/MS analysis of sodium adduct ion ([M + Na](+) ) of each celangulin shows that all the celangulins produced very similar fragmentation profiles, and that the characteristic fragments at m/z 245, m/z 229 and m/z 231 were defined as the diagnostic ions for celangulins. Simultaneously, 46 components in the extracts of this plant were separated, and 36 of them were characterised as celangulins by online ESI/MS/MS and by comparing their retention times, UV and MS spectra with those of authentic compounds. CONCLUSION HPLC-DAD-ESI-MS/MS was demonstrated to be a powerful tool for the characterisation of minor celangulins in complex samples.
Collapse
Affiliation(s)
- Shaopeng Wei
- Institute of Pesticide Science, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | | | | | | | | |
Collapse
|
19
|
Da Yang Y, Yang GZ, Liao MC, Mei ZN. Three New Sesquiterpene Pyridine Alkaloids from Euonymus fortunei. Helv Chim Acta 2011. [DOI: 10.1002/hlca.201000411] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
20
|
Wei SP, Wu WJ, Ji ZQ, Zhang JW, Guo YZ, Xue J. Two New Sesquiterpene Polyol Esters from Celastrus angulatus. Helv Chim Acta 2010. [DOI: 10.1002/hlca.200900473] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
21
|
Xia WJ, Sun LD, Shi L, Zhang SY, Tu YQ. First Synthesis of (+)-2,14-Deoxyalatol from α-Santonin. CHINESE J CHEM 2010. [DOI: 10.1002/cjoc.20040220412] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
22
|
Wei SP, Ji ZQ, Zhang HX, Zhang JW, Wang YH, Wu WJ. Isolation, biological evaluation and 3D-QSAR studies of insecticidal/narcotic sesquiterpene polyol esters. J Mol Model 2010; 17:681-93. [PMID: 20532805 DOI: 10.1007/s00894-010-0765-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Accepted: 05/20/2010] [Indexed: 10/19/2022]
Abstract
For the first time, a set of (43) natural sesquiterpene polyol esters isolated from the root bark of Celastrus angulatus Maxim and Euonymus japonicus Thunb were subjected to 3D-QSAR comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) studies, with the aim of proposing novel sesquiterpene-based compounds with optimal narcotic or insecticidal activities. The established 3D-QSAR models exhibit reasonable statistical quality and prediction capabilities, with internal cross-validated Q (2) values of ∼ 0.5 and external predicted R (2) values of >0.9, respectively. The relative contributions of the steric/electrostatic fields of the 3D-QSAR models show that the electronic effect governs the narcotic activities of the molecules, but the hybrid effect of the electrostatic and hydrophobic interactions is more influential in the insecticidal activities of the compounds. These findings may have valuable implications for the development of novel natural insecticides.
Collapse
Affiliation(s)
- Shao-peng Wei
- Institute of Pesticide Science, Northwest Agricultural & Forestry University, Shaanxi 712100, China
| | | | | | | | | | | |
Collapse
|
23
|
Wei S, Wang M, Ji Z, Shi B, Li S, Zhang J. Three New Insecticidal Sesquiterpene Polyol Esters from Celastrus angulatus. Nat Prod Commun 2010. [DOI: 10.1177/1934578x1000500302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Three new insecticidal sesquiterpene polyol esters with dihydro-β-agarofuran skeletons, Kupiteng esters A (1), B (2) and C (3), were isolated from the methanol extracts of the root bark of Celastrus angulatus and their structures elucidated by analyses of MS and NMR spectral data. The insecticidal activities of these compounds against the 4th instar larvae of Mythimna separata were evaluated. The KD50 values of compounds 1-3, were 260.2, 445.5 and 1260.0 μg-g−1, respectively.
Collapse
Affiliation(s)
- Shaopeng Wei
- Institute of Pesticide Science, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Minchang Wang
- Xi'an Modern Chemistry Research Institute, Xi'an, Shaanxi 710065, China
| | - Zhiqin Ji
- Institute of Pesticide Science, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Baojun Shi
- Institute of Pesticide Science, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shengkun Li
- Institute of Pesticide Science, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiwen Zhang
- Institute of Pesticide Science, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| |
Collapse
|
24
|
Itokawa H, Morris-Natschke SL, Akiyama T, Lee KH. Plant-derived natural product research aimed at new drug discovery. J Nat Med 2008; 62:263-80. [PMID: 18425692 DOI: 10.1007/s11418-008-0246-z] [Citation(s) in RCA: 107] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2008] [Accepted: 03/14/2008] [Indexed: 11/29/2022]
Abstract
Many important bioactive compounds have been discovered from natural sources using bioactivity-directed fractionation and isolation (BDFl) [Balunas MJ, Kinghorn AD (2005) Drug discovery from medicinal plants. Life Sci 78:431-441]. Continuing discovery has also been facilitated by the recent development of new bioassay methods. These bioactive compounds are mostly plant secondary metabolites, and many naturally occurring pure compounds have become medicines, dietary supplements, and other useful commercial products. Active lead compounds can also be further modified to enhance the biological profiles and developed as clinical trial candidates. In this review, the authors will summarize research on many different useful compounds isolated or developed from plants with emphasis placed on those recently discovered by the authors' laboratories as antitumor and anti-HIV clinical trial candidates.
Collapse
Affiliation(s)
- Hideji Itokawa
- Natural Products Research Laboratories, School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599-7360, USA
| | | | | | | |
Collapse
|
25
|
Alarcón J, Águila S, Cornejo F, Alderete J. Biotransformation of 5α-hydroxy-14-eudesm-11-en-3-one by Rhizopus nigricans, Cunninghamella elegans and Mucor plumbeus. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.molcatb.2007.06.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
26
|
Spivey AC, Shukla L, Hayler JF. Conjugate addition of 2- and 4-pyridylcuprates: an expeditious asymmetric synthesis of natural (-)-evoninic acid. Org Lett 2007; 9:891-4. [PMID: 17288430 DOI: 10.1021/ol070011y] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
[reaction: see text] The scope and limitations of the conjugate addition of 2- and the first 4-pyridyl Gilman homocuprates to various alpha,beta-unsaturated Michael acceptors are delineated. The conjugate addition of the cuprate of 2-bromo-3-methylpyridine to (E)-methyl crotonate then diastereoselective enolate alkylation and lipase-mediated enantioselective ester hydrolysis have enabled an efficient four-step first asymmetric synthesis of the Celastraceae sesquiterpenoid esterifying ligand (-)-(1'S,2'S)-evoninic acid.
Collapse
Affiliation(s)
- Alan C Spivey
- Department of Chemistry, Imperial College, London, SW7 2AY, U.K.
| | | | | |
Collapse
|
27
|
Abstract
Dihydro-Beta-agarofuran sesquiterpenoids are a structurally diverse class of natural products based on tricyclic 5,11-epoxy-5Beta,10alpha-eudesman-4-(14)-ene skeleton. Between January 1990 and June 2006, 462 new dihydro-Beta-agarofuran sesquiterpenoids of 74 structural types have been isolated from about 64 species of Celastraceae, 3 species of Hippocrateaceae and one species of Lamiaceae. The present review covers the chemical and biological activity research of dihydro-Beta-agarofuran sesquiterpenoids in the past 16 years. The chemical research includes structural classification into sesquiterpene polyesters and macrolide sesquiterpene pyridine alkaloids, synthesis of dihydro-Beta-agarofuran as well as extraction, isolation and purification methods. The biological activity research includes activities such as multidrug resistance (MDR) reversal activity, HIV inhibition, cytotoxicity, antitumor activity, antifeedant activity and insecticidal activity with some insights to their modes of actions.
Collapse
Affiliation(s)
- Jin-Ming Gao
- College of Sciences, Northwest A & F University, Yangling, Shaanxi 712100, China.
| | | | | | | |
Collapse
|
28
|
Affiliation(s)
- Luciano M Lião
- Instituto de Química, Universidade Federal de Goiás, Goiânia, GO, 74001-970, Brazil
| |
Collapse
|
29
|
Beauhaire J, Ducrot PH. From eudesmanes to eudesmanes: rearrangement of a cyperone derivative with introduction of oxygenated substituents at C-10 and C-4. Tetrahedron Lett 2002. [DOI: 10.1016/s0040-4039(02)00865-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
30
|
The cyperone route to agarofurans: stereoselective introduction of an hydroxy group at C-4. Tetrahedron Lett 2002. [DOI: 10.1016/s0040-4039(02)00309-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
31
|
Descoins C, Bazzocchi IL, Ravelo AG. New sesquiterpenes from Euonymus europaeus (Celastraceae). Chem Pharm Bull (Tokyo) 2002; 50:199-202. [PMID: 11848209 DOI: 10.1248/cpb.50.199] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A new sesquiterpene evoninate alkaloid (1), and two sesquiterpenes (2, 3) with a dihydro-beta-agarofuran skeleton, along with three known sesquiterpenes (4-6), were isolated from the seeds of Euonymus europaeus. Their structures were elucidated by high resolution mass analysis, and one- and two-dimensional (1D and 2D) NMR spectroscopy, including homonuclear and heteronuclear correlation [correlation spectroscopy (COSY), rotating frame Overhauser enhancement spectroscopy (ROESY), heteronuclear single quantum coherence (HSQC), and heteronuclear multiple bond correlation (HMBC)] experiments.
Collapse
Affiliation(s)
- Charles Descoins
- Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | | | | |
Collapse
|
32
|
A novel approach for construction of the naturally occurring dihydroagarofuran sesquiterpene skeleton. Tetrahedron Lett 2002. [DOI: 10.1016/s0040-4039(01)02203-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
33
|
Lião LM, Vieira PC, Rodrigues-Filho E, Fernandes JB, da Silva MF. Sesquiterpene pyridine alkaloids from Peritassa campestris. PHYTOCHEMISTRY 2001; 58:1205-1207. [PMID: 11738408 DOI: 10.1016/s0031-9422(01)00315-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
An investigation of the methanol and ethyl acetate extracts from the roots of Peritassa campestris (Hippocrateaceae) afforded the sesquiterpene pyridine alkaloid, 4-hydroxy-7-epi-chuchuhuanine E-V, and nine known alkaloids, forrestine, euonimine, ebenifoline E-I, wilforine, euojaponine F, euonine, wilforjine, neowilforine, and wilforzine. The structures of the isolates were elucidated on the basis of spectral data, particularly HMQC and HMBC experiments.
Collapse
Affiliation(s)
- L M Lião
- Instituto de Química, Universidade Federal de Goiás, C.P. 131, 74001-970 Goiânia, GO, Brazil.
| | | | | | | | | |
Collapse
|
34
|
Asymmetric total synthesis of (−)-isocelorbicol, a natural dihydroagarofuran sesquiterpenoid. Tetrahedron Lett 2001. [DOI: 10.1016/s0040-4039(01)00810-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
35
|
Zhou G, Gao X, Li WZ, Li Y. An enantioselective synthetic strategy toward the polyhydroxylated agarofuran. Tetrahedron Lett 2001. [DOI: 10.1016/s0040-4039(01)00377-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
36
|
Mans DR, da Rocha AB, Schwartsmann G. Anti-cancer drug discovery and development in Brazil: targeted plant collection as a rational strategy to acquire candidate anti-cancer compounds. Oncologist 2000; 5:185-98. [PMID: 10884497 DOI: 10.1634/theoncologist.5-3-185] [Citation(s) in RCA: 142] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Throughout medical history, plant products have been shown to be valuable sources of novel anti-cancer drugs. Examples are the VINCA: alkaloids, the taxanes, and the camptothecins, derived from the Madagscan periwinkle plant Catharantus roseus, the Pacific yew Taxus brevifolia, and the Chinese tree Camptotheca acuminata, respectively. For this reason, the South-American Office for Anti-Cancer Drug Development has implemented a large-scale project of acquisition and testing of compounds isolated from South American medicinal plants. The species are selected on the basis of a potentially useful phytochemical composition by consulting ethnopharmacological, chemosystemic, and ecological information. The collected samples are dried and first extracted with an organic solvent, then with distilled water. These crude extracts are evaluated at a concentration of 50 microg/ml for antiproliferative activity against one cell line. Extracts that significantly inhibit the growth of the cells (>/=50%) at relatively low concentrations (</=50 microg/ml) are submitted to the more comprehensive disease-oriented screen of the U.S. National Cancer Institute. In parallel, these samples are further purified by bioassay-guided purification, involving repeated fractionation by diverse chromatography methods. If the active substance is expected to represent a novel structure, it is identified by appropriate chemical techniques, mechanistic studies are performed with a wide diversity of tumor models and laboratory techniques, and efforts are undertaken for the synthesis of potentially more useful analogs.
Collapse
Affiliation(s)
- D R Mans
- Comprehensive Cancer Center (CINCAN), Canoas, RS, Brazil
| | | | | |
Collapse
|
37
|
González AG, Tincusi BM, Bazzocchi IL, Tokuda H, Nishino H, Konoshima T, Jiménez IA, Ravelo AG. Anti-tumor promoting effects of sesquiterpenes from Maytenus cuzcoina (Celastraceae). Bioorg Med Chem 2000; 8:1773-8. [PMID: 10976526 DOI: 10.1016/s0968-0896(00)00107-3] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Ten sesquiterpenoids (1-10), with a dihydro-beta-agarofuran skeleton, were isolated from Maytenus cuzcoina (Celastraceae). Their structures were elucidated on the basis of spectral analysis, including homo- and heteronuclear correlations NMR experiments (COSY, ROESY, HMQC and HMBC), and chemical correlations. The compounds have been tested for their inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) activation induced by 12-O-tetradecanoylphorbol-13-acetate (TPA), as a test for potential cancer chemopreventive agents. Compounds 1-3, 6 and 7 showed strong inhibitory effects on EBV-EA induction (100% inhibition at 1000 mol ratio/TPA). Their structure-activity relationship is discussed.
Collapse
Affiliation(s)
- A G González
- Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | | | | | | | | | | | | | | |
Collapse
|
38
|
González A, Bazzocchi I, Moujir L, Jiménez I. Ethnobotanical uses of celastraceae. Bioactive metabolites. BIOACTIVE NATURAL PRODUCTS (PART D) 2000. [DOI: 10.1016/s1572-5995(00)80140-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
|
39
|
Synthetic Studies of Dihydroagarofuran Sesquiterpene: An Improved NBS–THF–H 2O System for Stereoselective Construction of Tetrahydrofuran Moiety. JOURNAL OF CHEMICAL RESEARCH 1999. [DOI: 10.1177/174751989902300818] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
An improved aqueous NBS–THF system in a range of media has proved to be effective for stereoselective construction of the bromotetrahydrofuran moiety of dihydroagarofuran sesquiterpene polyesters from the corresponding β-hydroxyalkene.
Collapse
|
40
|
Tu YQ, Sun LD. A general synthetic route of dihydroagarofuran sesquiterpenoid from α-(−)-santonin. Tetrahedron Lett 1998. [DOI: 10.1016/s0040-4039(98)01766-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
41
|
Kuo YH, Kuo LMY, Chen CF. Four New C19 Homolignans, Schiarisanrins A, B, and D and Cytotoxic Schiarisanrin C, from Schizandra arisanensis. J Org Chem 1997; 62:3242-3245. [PMID: 11671710 DOI: 10.1021/jo9622542] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Four new C(19) homolignans with a 5,4'-butano-2,4-cyclohexadienone-6-spiro-3'-(2',3'-dihydrobenzo[b]furan) skeleton, schiarisanrin A, schiarisanrin B, schiarisanrin D, and cytotoxic schiarisanrin C, were isolated from Schizandra arisanensis. Their structure and stereochemistry have been established by spectral and single-crystal X-ray analysis. Schiarisanrin C has cytotoxic activity with ED(50) values of 0.36, 7.1, 4.9, and 5.7 &mgr;g/mL, respectively, against KB epidermoid carcinoma of nasopharynx, COLO-205 colon carcinoma, HEPA hepatoma, and HELA cervix tumor cells.
Collapse
Affiliation(s)
- Yao-Haur Kuo
- National Research institute of Chinese Medicine 155-1, Sec. 2, Li-Nong St., Shih- Pai, Taipei 112, Taiwan, Republic of China
| | | | | |
Collapse
|
42
|
Abstract
Four new triterpene compounds, celasdin-A, celasdin-C, anti-AIDS celasdin-B and cytotoxic maytenfolone-A, were isolated from Celastrus hindsii. The structural determination of maytenfolone-A, celasdin-A, celasdin-B and celasdin-C, as well as the structure-activity relationships of these new compounds and derivatives, are discussed. Maytenfolone-A was further confirmed by X-ray studies. Biological evaluation showed that Maytenfolone-A demonstrated cytotoxicity against hepatoma (HEPA-2B, ED50 = 2.3 micrograms ml-1) and nasopharynx carcinoma (KB, ED50 = 3.8 micrograms ml-1). Celasdin-B was found to exhibit anti-HIV replication activity in H9 lymphocyte cells with an EC50 of 0.8 microgram ml-1).
Collapse
Affiliation(s)
- Y H Kuo
- National Research Institute of Chinese Medicine, Taipei, Taiwan, R.O.C
| | | |
Collapse
|
43
|
White JD, Shin H, Kim TS, Cutshall NS. Total Synthesis of the Sesquiterpenoid Polyols (±)-Euonyminol and (±)-3,4-Dideoxymaytol, Core Constituents of Esters of the Celastraceae. J Am Chem Soc 1997. [DOI: 10.1021/ja963567h] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- James D. White
- Contribution from the Department of Chemistry, Oregon State University, Corvallis, Oregon 97331-4003
| | - Hyunik Shin
- Contribution from the Department of Chemistry, Oregon State University, Corvallis, Oregon 97331-4003
| | - Tae-Seong Kim
- Contribution from the Department of Chemistry, Oregon State University, Corvallis, Oregon 97331-4003
| | - Neil S. Cutshall
- Contribution from the Department of Chemistry, Oregon State University, Corvallis, Oregon 97331-4003
| |
Collapse
|
44
|
Schneider MJ. Chapter Two Pyridine and piperidine alkaloids: An update. ALKALOIDS: CHEMICAL AND BIOLOGICAL PERSPECTIVES 1996. [DOI: 10.1016/s0735-8210(96)80026-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
|
45
|
Hohmann J, Nagy G, Günther G, Argay G, Kálmán A, Czira G. Isolation and structure elucidation of four new dihydro-β-agarofuran polyesters from Euonymus sachalinensis. ACTA ACUST UNITED AC 1994. [DOI: 10.1039/p19940003281] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|