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Rani DM, Wongso H, Purwoko RY, Winarto NB, Shalas AF, Triatmoko B, Pratama ANW, Keller PA, Nugraha AS. Anti-cancer bioprospecting on medicinal plants from Indonesia: A review. Phytochemistry 2023; 216:113881. [PMID: 37827225 DOI: 10.1016/j.phytochem.2023.113881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 09/25/2023] [Accepted: 09/28/2023] [Indexed: 10/14/2023]
Abstract
The Indonesian archipelago is home to the second largest biodiversity in the world and is inhabited by more than 300 ethnic groups with a total population of more than 270 million. The indigenous population still rely on traditional medicine practices, especially the use of plant-based remedies. Although modern science-based exploration on Indonesian medicinal plants started with the European settlement in the archipelago in the 16th century, it was not until the 1970's that the phytochemistry of Indonesian medicinal plants was recognized for its potency. The need for new cancer cures to increase the quality of human life has led to the bioprospecting of medicinal plants including those of Indonesian origin. Despite published reports on the anticancer potency of Indonesian medicinal plants, to date there has been no comprehensive review on this topic. In this manuscript, we review the phytochemical and pharmacological studies on medicinal plants from Indonesia related to cancer therapy. Established databases (GARUDA, SciFinder, and PubMed) were used to collate data from 1990 to 2022, resulting in the description of 134 medicinal plants and their phytochemical and pharmacological properties including examples containing potent agents against breast, leukaemia, cervix, lung, and colon cancer cell lines based on in vitro bioassays and in vivo evaluation. These findings provide valuable insights into the bioprospecting of Indonesian medicinal plant providing directions for future studies, including the development of new therapeutics, both as botanicals or by using conventional dosage.
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Affiliation(s)
- Dinar Mutia Rani
- Drug Utilisation and Discovery Research Group, Faculty of Pharmacy, Universitas Jember, Jember, 68121, Indonesia.
| | - Hendris Wongso
- Research Center for Radioisotope, Radiopharmaceutical, and Biodosimetry Technology, Research Organization for Nuclear Energy, National Research and Innovation Agency, Puspiptek, Banten, 15314, Indonesia; Research Collaboration Center for Theranostic Radiopharmaceuticals, National Research and Innovation Agency, Jl. Raya Bandung-Sumedang KM 21, Sumedang, 45363, Indonesia.
| | - Reza Yuridian Purwoko
- Research Center for Pre-Clinical and Clinical Medicine, Research Organization for Health, National Research and Innovation Agency, Indonesia.
| | - Naura Bathari Winarto
- Drug Utilisation and Discovery Research Group, Faculty of Pharmacy, Universitas Jember, Jember, 68121, Indonesia.
| | - Alvan Febrian Shalas
- Department of Pharmacy, Faculty of Medicine, Brawijaya University, Malang, 65145, Indonesia.
| | - Bawon Triatmoko
- Drug Utilisation and Discovery Research Group, Faculty of Pharmacy, Universitas Jember, Jember, 68121, Indonesia.
| | | | - Paul A Keller
- School of Chemistry and Molecular Biosciences, Molecular Horizons, University of Wollongong, Wollongong, New South Wales, 2522, Australia.
| | - Ari Satia Nugraha
- Drug Utilisation and Discovery Research Group, Faculty of Pharmacy, Universitas Jember, Jember, 68121, Indonesia; School of Chemistry and Molecular Biosciences, Molecular Horizons, University of Wollongong, Wollongong, New South Wales, 2522, Australia.
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Bo S, Chang SK, Zhu H, Jiang Y, Yang B. Naturally occurring prenylated stilbenoids: food sources, biosynthesis, applications and health benefits. Crit Rev Food Sci Nutr 2022; 63:8083-8106. [PMID: 35373665 DOI: 10.1080/10408398.2022.2056131] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Prenylated stilbenoids are a unique class of natural phenolic compounds consisting of C6-C2-C6 skeleton with prenyl substitution. They are potential nutraceuticals and dietary supplements presented in some edible plants. Prenylated stilbenoids demonstrate promising health benefits, including antioxidant, anti-cancer, anti-inflammatory, anti-microbial activities. This review reports the structure, bioactivity and potential application of prenylated stilbeniods in food industry. Edible sources of these compounds are compiled and summarized. Structure-activity relationship of prenylated stilbenoids are also highlighted. The biosynthesis strategies of prenylated stilbenoids are reviewed. The findings of these compounds as food preservative, nutraceuticals and food additive are discussed. This paper combines the up-to-date information and gives a full image of prenylated stilbenoids.
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Affiliation(s)
- Shengtao Bo
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Core Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, Guangdong Provincial Key Laboratory of Applied Botany, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Sui Kiat Chang
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Core Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, Guangdong Provincial Key Laboratory of Applied Botany, Guangzhou, China
| | - Hong Zhu
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Core Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, Guangdong Provincial Key Laboratory of Applied Botany, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yueming Jiang
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Core Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, Guangdong Provincial Key Laboratory of Applied Botany, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Bao Yang
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Core Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, Guangdong Provincial Key Laboratory of Applied Botany, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
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3
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Zhang R, Wang J, Jin W, Zhang Y, Wang B, Xia Y, Liu C. Iodine‐Catalyzed Construction of Dihydrooxepines via 3‐Methyl‐5‐Pyrazolones C−H Oxidation/Functionalization of Quinolines Cascade. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Rong Zhang
- Urumqi Key Laboratory of Green Catalysis and Synthesis Technology The Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uygur Autonomous Region School of Chemistry Xinjiang University Urumqi 830046 P. R. China
| | - Jun Wang
- Urumqi Key Laboratory of Green Catalysis and Synthesis Technology The Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uygur Autonomous Region School of Chemistry Xinjiang University Urumqi 830046 P. R. China
| | - Weiwei Jin
- Urumqi Key Laboratory of Green Catalysis and Synthesis Technology The Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uygur Autonomous Region School of Chemistry Xinjiang University Urumqi 830046 P. R. China
| | - Yonghong Zhang
- Urumqi Key Laboratory of Green Catalysis and Synthesis Technology The Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uygur Autonomous Region School of Chemistry Xinjiang University Urumqi 830046 P. R. China
| | - Bin Wang
- Urumqi Key Laboratory of Green Catalysis and Synthesis Technology The Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uygur Autonomous Region School of Chemistry Xinjiang University Urumqi 830046 P. R. China
| | - Yu Xia
- Urumqi Key Laboratory of Green Catalysis and Synthesis Technology The Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uygur Autonomous Region School of Chemistry Xinjiang University Urumqi 830046 P. R. China
| | - Chenjiang Liu
- Urumqi Key Laboratory of Green Catalysis and Synthesis Technology The Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uygur Autonomous Region School of Chemistry Xinjiang University Urumqi 830046 P. R. China
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Rattanaburi S, Sriklung K, Watanapokasin R, Mahabusarakam W. New flavonoids and xanthone from the stem bark of Artocarpus rigidus blume and cytotoxicity. Nat Prod Res 2020; 35:4010-4017. [PMID: 32290678 DOI: 10.1080/14786419.2020.1753734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Three new flavonoids named artorigidinones A-C and a new xanthone named artorixanthone together with seven known compounds were isolated from the stem bark of Artocarpus rigidus Blume. Their structures were characterized by spectroscopic data. γ-Geranylapigenin exhibited cytotoxicity to a fibroblast-like cell line (SW1353) (IC50 < 0.32 µg/mL) stronger than a standard drug.
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Affiliation(s)
- Suthida Rattanaburi
- Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, Thailand.,Laboratory of Natural Products Chemistry, Faculty of Science and Technology, Phuket Rajabhat University, Muang, Phuket, Thailand
| | - Kanlayanee Sriklung
- Department of Biochemistry, Faculty of Medicine, Srinakharinwirot University, Bangkok, Thailand
| | - Ramida Watanapokasin
- Department of Biochemistry, Faculty of Medicine, Srinakharinwirot University, Bangkok, Thailand
| | - Wilawan Mahabusarakam
- Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, Thailand.,Natural Product Research Center of Excellence, Prince of Songkla University, Hat Yai, Songkhla, Thailand
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Abstract
BACKGROUND Besides the numerous biologic and pharmacologic functions in the human body that act as potent antioxidants, flavonoids (flavones, flavanones, flavonols, flavanols and isoflavones) are noted as cancer preventive or therapeutic agents. METHODS This review summarizes the published data using PubMed, Science Direct, and Scopus. RESULTS In this context, recognition and introduction of the most active cytotoxic flavonoids as promising agents for cancer therapy gives insight for further evaluations. However, there are some critical points that may affect the entering of flavonoids as active cytotoxic phytochemicals in the clinical phase. Issues such as the abundance of active species in nature, the methods of extraction and purification, solubility, pharmacokinetic profile, presence of the chiral moieties, method of synthesis, and structure modification may limit the entry of a selected compound for use in humans. Although plenty of basic evidence exists for cytotoxic/antitumor activity of the versatility of flavonoids for entry into clinical trials, the above-mentioned concerns must be considered. CONCLUSION This review is an effort to introduce cytotoxic natural flavonoids (IC50< 10 µM) that may have the potential to be used against various tumor cells. Also, active constituents, molecular mechanisms, and related clinical trials have been discussed as well as the limitations and challenges of using flavonoids in clinic.
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Affiliation(s)
- Akram Taleghani
- Department of Chemistry, Faculty of Science, Gonbad Kavous University, Golestan Province, Gonbad Kavus, P.O. Box 163, Iran
| | - Zahra Tayarani-Najaran
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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He Z, Sleighter RL, Hatcher PG, Liu S, Wu F, Zou H, Olanya OM. Molecular level comparison of water extractives of maple and oak with negative and positive ion ESI FT-ICR mass spectrometry. J Mass Spectrom 2019; 54:655-666. [PMID: 31177597 DOI: 10.1002/jms.4379] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 05/28/2019] [Accepted: 06/02/2019] [Indexed: 06/09/2023]
Abstract
Soluble extractives in wood function to protect living trees from destructive agents and also contribute to wood color and fragrance. Some extractive components have biological activities with medical applications. They also play important roles in wood processing and related applications. To increase the knowledge of wood chemistry, maple and oak were extracted by water. Ultraviolet/visible (UV/vis) spectroscopy indicated the presence of a phenolic compound, resorcinol, in maple extractives having higher molecular mass and more aromatic components than oak extractives. Negative and positive electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI FT-ICR-MS) identified thousands of formulas in the two samples in the m/z range of 200 to 800. They mainly fall into the lignin-like, carbohydrate-like, and tannin-like compound categories. The top 25 peaks (ie, formulas) with the highest relative magnitude in negative ESI represented nearly 50% of the summed total spectral magnitude of all formulas assigned in the maple and oak extractives. Furthermore, the base peak (ie, most abundant peak) accounted for about 14% of the total abundance in each wood sample. Literature comparisons identified 17 of 20 formulas in the top five peaks of the four spectra as specific bioactive compounds in trees and other plants, implying the potential to explore utilization of maple and oak extractives for functional and medicinal applications. The various profiling of the top 25 peaks from the two samples also suggested the possible application of FT-ICR-MS for detecting chemical markers useful in profiling and identification of wood types and sources.
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Affiliation(s)
- Zhongqi He
- Southern Regional Research Center, USDA Agricultural Research Service, 1100 Robert E. Lee Blvd, New Orleans, LA, 70124, USA
| | - Rachel L Sleighter
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA, 23529, USA
| | - Patrick G Hatcher
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA, 23529, USA
| | - Shasha Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Fengchang Wu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Haixuan Zou
- Department of Chemical and Biological Engineering, the University of Maine, Orono, ME, 04469, USA
| | - O Modesto Olanya
- Eastern Regional Research Center, USDA Agricultural Research Service, 600 East Mermaid Lane, Wyndmoor, PA, 19038, USA
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Chen LL, Zhang JW, Chen P, Zhang S, Yang WW, Fu JY, Zhu JY, Wang YB. Base-Controlled Divergent Synthesis of 5-Cyanobenzoxepines and Benzofuro[2,3-b]pyridines from 2-Bromophenylacetonitriles and Ynones. Org Lett 2019; 21:5457-5461. [DOI: 10.1021/acs.orglett.9b01700] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Lu-Lu Chen
- Institute of Functional Organic Molecular Engineering, Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Jing-Wen Zhang
- Institute of Functional Organic Molecular Engineering, Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Pei Chen
- Institute of Functional Organic Molecular Engineering, Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Shuai Zhang
- Institute of Functional Organic Molecular Engineering, Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Wan-Wan Yang
- Institute of Functional Organic Molecular Engineering, Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Ji-Ya Fu
- Institute of Functional Organic Molecular Engineering, Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Jun-Yan Zhu
- Institute of Functional Organic Molecular Engineering, Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Yan-Bo Wang
- Institute of Functional Organic Molecular Engineering, Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
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Ren Y, Carcache de Blanco EJ, Fuchs JR, Soejarto DD, Burdette JE, Swanson SM, Kinghorn AD. Potential Anticancer Agents Characterized from Selected Tropical Plants. J Nat Prod 2019; 82:657-679. [PMID: 30830783 PMCID: PMC6441492 DOI: 10.1021/acs.jnatprod.9b00018] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Higher plants are well known for their value in affording clinically useful anticancer agents, with such compounds acting against cancer cells by a range of mechanisms of action. There remains a strong interest in the discovery and development of plant secondary metabolites as additional cancer chemotherapeutic lead compounds. In the present review, progress on the discovery of plant-derived compounds of the biflavonoid, lignan, sesquiterpene, steroid, and xanthone structural types is presented. Several potential anticancer leads of these types have been characterized from tropical plants collected in three countries as part of our ongoing collaborative multi-institutional project. Preliminary structure-activity relationships and work on in vivo testing and cellular mechanisms of action are also discussed. In addition, the relevant work reported by other groups on the same compound classes is included herein.
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Affiliation(s)
- Yulin Ren
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Esperanza J. Carcache de Blanco
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - James R. Fuchs
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Djaja D. Soejarto
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
- Science and Education, Field Museum of Natural History, Chicago, IL 60605, United States
| | - Joanna E. Burdette
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Steven M. Swanson
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, United States
| | - A. Douglas Kinghorn
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
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Losuwannarak N, Sritularak B, Chanvorachote P. Cycloartobiloxanthone Induces Human Lung Cancer Cell Apoptosis via Mitochondria-dependent Apoptotic Pathway. ACTA ACUST UNITED AC 2018; 32:71-78. [PMID: 29275301 DOI: 10.21873/invivo.11206] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 10/10/2017] [Accepted: 10/12/2017] [Indexed: 01/04/2023]
Abstract
BACKGROUND Lung cancer is one of most malignant types of cancer and new anticancer agents are still required. Cycloartobiloxanthone, a flavonoid isolated from stem bark of Artocarpus gomezianus, has potential for being developed for anticancer therapy. MATERIALS AND METHODS Cytotoxicity of cycloartobiloxanthone was evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyltetrazolium bromide (MTT) assay against four human lung cancer cell lines (H23, H460, H292 and A549) and their half-maximal inhibitory concentrations (IC50) were assessed. Apoptotic induction in H460 cells was investigated by Hoechst 33342/propidium iodide (PI) staining assay and protein hallmarks of mitochondria-dependent apoptotic pathway were examined by western blot analysis. RESULTS Cycloartobiloxanthone exhibited potent cytotoxic effect on both small and non-small cell lung cancer cells. Nuclear Hoechst/PI staining revealed that apoptotic cell death was the main mechanism of toxicity of cycloartobiloxanthone. The apoptosis-inducing potency of cycloartobiloxanthone was comparable to those of standard anticancer drugs cisplatin and etoposide at the same concentration. Protein analysis further showed that apoptosis was mediated via mitochondria-dependent pathway. p53 was activated in cells treated with cycloartobiloxanthone. Subsequently, pro-apoptotic protein B-cell lymphoma 2 (BCL2)-associated X protein (BAX) was found to be significantly increased, concomitantly with the decrease of anti-apoptotic proteins BCL2 and myeloid cell leukemia 1 (MCL1). Moreover, markers of the intrinsic apoptosis pathway, namely activated caspase-9, activated caspase-3, and cleaved poly(ADP-ribose)polymerase (PARP), dramatically increased in cycloartobiloxanthone-treated cells compared to the non-treated controls. CONCLUSION Cycloartobiloxanthone has anticancer activity against human lung cancer cells by triggering mitochondrial apoptotic caspase-dependent mechanism. This compound might have promising effects for cancer therapy.
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Affiliation(s)
- Nattanan Losuwannarak
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand.,Cell-based Drug and Health Product Development Research Unit, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Boonchoo Sritularak
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Pithi Chanvorachote
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand .,Cell-based Drug and Health Product Development Research Unit, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
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Abstract
In this Account, we briefly discuss the recently discovered and rapidly developing superbase-promoted self-organization reactions of several equivalents of acetylenes and ketones to afford complex compounds that represent promising synthetic building blocks common in natural products. Notably, acetylenes play a special role in these reactions because of their dual (acting as an electrophile and a nucleophile) and flexible reactivity. These unique properties of acetylenes are elegantly expressed in superbasic media, where acetylenes are more deprotonated and their electrophilicity increases as a result of complexation with alkali metal cations, with simultaneous enhancement of the nucleophilic reactants due to desolvation. Under these conditions, acetylenes behave as a driving and organizing force toward other reactants. Various combinations of nucleophilic addition to the triple bond and acetylene deprotonation in the presence of other reactants with dual reactivity (e.g., ketones) enables the self-organization of complex molecular architectures that are inaccessible by conventional reactions. Herein we analyze recent achievements in this area concerning the reactions of acetylenes with ketones in superbasic KOH/DMSO-type systems that selectively afford synthetically and pharmaceutically valuable carbo- and heterocycles. Most of the reactions are triggered by the nucleophilic addition of deprotonated ketones (enolate anions) to acetylenes (superbase-catalyzed C-vinylation of ketones with acetylenes, which was recently introduced by our group into a toolkit of organic chemistry). The β,γ-ethylenic ketones thus formed can then take part in cascade processes with ketones and acetylenes to afford either carbocycles (e.g., hexahydroazulenones, acyl terphenyls, functionalized and cyclopentenols) or heterocycles (e.g., furans, benzoxepines, dioxabicyclo[3.2.1]octanes, and dioxadispiro[5.1.5.2]pentadecanes), depending on the structure of the reactants and the reaction conditions. Most of these compounds are selectively built from several equivalents of ketones and acetylenes in different combinations, and despite the presence of two or more asymmetric carbons in the products, they are generated as single diastereomers. When other nucleophiles (hydroxylamine, hydrazines, guanidine, and oximes) and ketones are involved in these self-organization processes, the intermediate β,γ-ethylenic ketones allow the formation of diverse heterocyclic systems (pyrroles, isoxazolines, pyrazolines, aminopyrimidines, and azabicyclo[3.1.0]hexanes). The discovered unique chemical transformations do not require transition metal catalysts and proceed under mild and operationally simple conditions. Most of these syntheses involve cascade addition reactions and therefore represent pot-, atom-, step-, and energy-saving processes that meet the requirements of green chemistry. The significance of the approach discussed herein is that it represents a viable alternative to existing classic and modern transition-metal-based catalytic syntheses of some fundamental carbo- and heterocycles. This is demonstrated by its employment of readily available, inexpensive starting materials like acetylenes and ketones and simple, widely accessible superbasic systems such as KOH/DMSO, which serves as a highly active universal catalyst and auxiliary. As shown in this Account, as this approach has developed, the number of preparatively attractive methods for the synthesis of diverse and potentially useful compounds has rapidly ballooned. The impressive experimental results presented in this Account will hopefully draw the attention of large circles of organic chemists involved in the design of rational and ecologically sound synthetic procedures and thus increase the application of these techniques in medicinal chemistry and materials science.
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Affiliation(s)
- Boris A. Trofimov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk 664033, Russia
| | - Elena Yu. Schmidt
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk 664033, Russia
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Nguyen MTT, Le TH, Nguyen HX, Dang PH, Do TNV, Abe M, Takagi R, Nguyen NT. Artocarmins G-M, Prenylated 4-Chromenones from the Stems of Artocarpus rigida and Their Tyrosinase Inhibitory Activities. J Nat Prod 2017; 80:3172-3178. [PMID: 29227656 DOI: 10.1021/acs.jnatprod.7b00453] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Phytochemical analysis of an EtOAc extract of the stems of Artocarpus rigida led to the identification of seven new prenylated 4-chromenones, artocarmins G-M (1-7), and nine known compounds (8-17). Their structures were identified based on physical data analysis. In the tyrosinase inhibitory activity test, norartocarpetin (8) displayed the strongest effect, with an IC50 value of 0.023 μM.
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Affiliation(s)
| | | | | | | | | | - Manabu Abe
- Department of Chemistry, Graduate School of Science, Hiroshima University , Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Ryukichi Takagi
- Department of Chemistry, Graduate School of Science, Hiroshima University , Higashi-Hiroshima, Hiroshima 739-8526, Japan
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Chen K, Liu S, Wang D, Hao WJ, Zhou P, Tu SJ, Jiang B. Silver/Scandium-Cocatalyzed Bicyclization of β-Alkynyl Ketones Leading to Benzo[c]xanthenes and Naphtho[1,2-b]benzofurans. J Org Chem 2017; 82:11524-11530. [DOI: 10.1021/acs.joc.7b02134] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ke Chen
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Shuai Liu
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Dan Wang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Peng Zhou
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
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Yuan WJ, Yuan JB, Peng JB, Ding YQ, Zhu JX, Ren G. Flavonoids from the roots of Artocarpus heterophyllus. Fitoterapia 2017; 117:133-137. [PMID: 28163073 DOI: 10.1016/j.fitote.2017.01.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 01/21/2017] [Accepted: 01/29/2017] [Indexed: 10/20/2022]
Abstract
Four new flavonoids, artoheteroids A-D (1-4), together with six known ones (5-10), were isolated from the roots of Artocarpus heterophyllus. Their structures were elucidated by spectroscopic methods, including 1D and 2D NMR, UV, IR, CD, and HR-ESI-MS. All isolated compounds were screened for their inhibitory abilities against cathepsin K (CatK). Among them, compounds 1-2, 4-6, and 10 were found to have suppression capabilities against CatK with IC50 values ranging from 1.4 to 93.9μM.
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Affiliation(s)
- Wen-Jun Yuan
- Research Center of Natural Resources of Chinese Medicinal Materials and Ethnic Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China
| | - Jin-Bin Yuan
- Key Laboratory of Modern Preparation of TCM, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China
| | - Jia-Bing Peng
- the People's Hospital of Yingshang, Yingshang 236200, China
| | - Yuan-Qing Ding
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, MS 38677, USA
| | - Ji-Xiao Zhu
- Research Center of Natural Resources of Chinese Medicinal Materials and Ethnic Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China
| | - Gang Ren
- Research Center of Natural Resources of Chinese Medicinal Materials and Ethnic Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China; National Center for Natural Products Research, School of Pharmacy, University of Mississippi, MS 38677, USA.
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Shiva Kumar K, Siddi Ramulu M, Rajesham B, Kumar NP, Voora V, Kancha RK. FeCl3 catalysed 7-membered ring formation in a single pot: a new route to indole-fused oxepines/azepines and their cytotoxic activity. Org Biomol Chem 2017; 15:4468-4476. [DOI: 10.1039/c7ob00715a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
FeCl3 catalysed construction of 7 membered ring, oxepine and azepine derivatives by the reaction of 2,3-dichloro N-heterocycles with 2-(1H-indol-2-yl)phenol/aniline. Several of these compounds were found anti-proliferative properties against cancer cell lines.
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Affiliation(s)
- K. Shiva Kumar
- Department of Chemistry
- Osmania University
- Hyderabad-500 007
- India
| | | | | | | | - Vani Voora
- Molecular Medicine and Therapeutics Laboratory
- CPMB
- Osmania University
- Hyderabad-500007
- India
| | - Rama Krishna Kancha
- Molecular Medicine and Therapeutics Laboratory
- CPMB
- Osmania University
- Hyderabad-500007
- India
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15
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Ouyang L, Qi C, He H, Peng Y, Xiong W, Ren Y, Jiang H. Base-Promoted Formal [4 + 3] Annulation between 2-Fluorophenylacetylenes and Ketones: A Route to Benzoxepines. J Org Chem 2016; 81:912-9. [PMID: 26743591 DOI: 10.1021/acs.joc.5b02487] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The first base-promoted formal [4 + 3] annulation between 2-fluorophenylacetylenes and ketones has been disclosed. The reaction proceeds through a tandem α-vinylation of ketones followed by an intramolecular nucleophilic aromatic substitution (SNAr) reaction of the in situ generated β,γ-unsaturated ketone intermediates, providing a straightforward access to a wide range of functionalized benzoxepines in moderate to high yields. The transition-metal-free methodology featured a wide substrate scope, the use of easily available starting materials, and a high functional group tolerance.
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Affiliation(s)
- Lu Ouyang
- School of Chemistry and Chemical Engineering, State Key Lab of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China
| | - Chaorong Qi
- School of Chemistry and Chemical Engineering, State Key Lab of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China
| | - Haitao He
- School of Chemistry and Chemical Engineering, State Key Lab of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China
| | - Youbin Peng
- School of Chemistry and Chemical Engineering, State Key Lab of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China
| | - Wenfang Xiong
- School of Chemistry and Chemical Engineering, State Key Lab of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China
| | - Yanwei Ren
- School of Chemistry and Chemical Engineering, State Key Lab of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China
| | - Huanfeng Jiang
- School of Chemistry and Chemical Engineering, State Key Lab of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China
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16
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Passreiter CM, Suckow-Schnitker AK, Kulawik A, Addae-Kyereme J, Wright CW, Wätjen W. Prenylated flavanone derivatives isolated from Erythrina addisoniae are potent inducers of apoptotic cell death. Phytochemistry 2015; 117:237-244. [PMID: 26101145 DOI: 10.1016/j.phytochem.2015.04.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Revised: 03/24/2015] [Accepted: 04/07/2015] [Indexed: 06/04/2023]
Abstract
Extracts of Erythrina addisoniae are frequently used in the traditional medicine of Western Africa, but insufficient information about active compounds is available. From the stem bark of E. addisoniae, three (1, 2, 4) and three known (3, 5, 6) flavanones were isolated: addisoniaflavanones I and II, containing either a 2″,3″-epoxyprenyl moiety (1) or a 2″,3″-dihydroxyprenyl moiety (2) were shown to be highly toxic (MTT assay: EC50 values of 5.25±0.7 and 8.5±1.3 μM, respectively) to H4IIE hepatoma cells. The cytotoxic potential of the other isolated flavanones was weaker (range of EC50 values between 15 and >100 μM). Toxic effects of addisoniaflavanone I and II were detectable after 3h (MTT assay). Both compounds induced an apoptotic cell death (caspase-3/7 activation, nuclear fragmentation) in the hepatoma cells and, at high concentrations, also necrosis (membrane disruption: ethidium bromide staining). Formation of DNA strand breaks was not detectable after incubation with these compounds (comet assay). In conclusion, the prenylated flavanones addisoniaflavanones I and II may be of interest for pharmacological purposes due to their high cytotoxic and pro-apoptotic potential against hepatoma cells.
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Affiliation(s)
- Claus M Passreiter
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-University, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Anke-Katrin Suckow-Schnitker
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-University, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Andreas Kulawik
- Institute of Toxicology, Heinrich-Heine-University, P.O. Box 101007, 40001 Düsseldorf, Germany
| | - Jonathan Addae-Kyereme
- Bradford School of Pharmacy, University of Bradford, Richmond Road, West Yorkshire BD 7 1 DP, UK
| | - Colin W Wright
- Bradford School of Pharmacy, University of Bradford, Richmond Road, West Yorkshire BD 7 1 DP, UK
| | - Wim Wätjen
- Institute of Toxicology, Heinrich-Heine-University, P.O. Box 101007, 40001 Düsseldorf, Germany; Institute of Agricultural and Nutritional Sciences, Biofunctionality of Secondary Plant Compounds, Martin Luther University Halle-Wittenberg, Weinbergweg 22 (Biozentrum), 06120 Halle/Saale, Germany.
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17
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Minakawa T, Toume K, Arai MA, Koyano T, Kowithayakorn T, Ishibashi M. Prenylflavonoids isolated from Artocarpus champeden with TRAIL-resistance overcoming activity. Phytochemistry 2013; 96:299-304. [PMID: 24074554 DOI: 10.1016/j.phytochem.2013.08.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Revised: 07/17/2013] [Accepted: 08/26/2013] [Indexed: 06/02/2023]
Abstract
In a screening program for bioactive natural products which can overcome Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL)-resistance, three prenylflavonoids, named pannokin A-C, were isolated from a MeOH extract of Artocarpus champeden (Moraceae) roots, together with three known prenylflavonoids. The structures of pannokin A-C were elucidated by spectroscopic analysis. These of the prenylflavonoids in combination with TRAIL, showed cytotoxic activity in sensitizing TRAIL-resistant human gastric adenocarcinoma (AGS) cells. Of these compounds, heterophyllin increased caspase 3/7 activity when combined with TRAIL in AGS cells, and enhanced the expression of DR4 and DR5 mRNA. Moreover, heterophyllin up-regulated mRNA expression of CCAAT/enhancer-binding protein-homologous protein (CHOP) which was reported to be an important regulator of DR5 expression. Thus, heterophyllin was presumed to cause a CHOP-dependent up-regulation of DR5 expression resulting in apoptosis in AGS cells.
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Affiliation(s)
- Tomohiro Minakawa
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
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Abstract
Stilbenoids, a family of polyphenols known for the complexity of their structure and for their diverse biological activities, occur with a limited but heterogeneous distribution in the plant kingdom. The most prominent stilbene containing plant family, the Vitaceae, represented by the famous wine producing grape vines Vitis vinifera L., is one of the richest sources of novel stilbenes currently known, together with other families, such as Dipterocarpaceae, Gnetaceae and Fabaceae. This review focuses on the distribution of stilbenes and 2-arylbenzofuran derivatives in the plant kingdom, the chemical structure of stilbenes in the Vitaceae family and their taxonomic implication.
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Affiliation(s)
- Céline Rivière
- Université de Bordeaux, Groupe d'Etude des Substances Végétales à Activité Biologique (GESVAB), EA 3675, Institut des Sciences de la Vigne et du Vin, 210 Chemin de Leysotte, CS 50008, F-33882 Villenave d'Ornon Cedex, France.
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Cheng M, Yan J, Hu F, Chen H, Hu Y. Palladium-catalyzed cascade reactions of 3-iodochromones with aryl iodides and norbornadiene leading to annulated xanthones. Chem Sci 2013. [DOI: 10.1039/c2sc21335d] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Liang QL, Lei LL, Cui X, Zou NS, Duan JA. Bioactive cis-stilbenoids from the tubers of Scirpus yagara. Fitoterapia 2013; 84:170-3. [PMID: 23219979 DOI: 10.1016/j.fitote.2012.11.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2012] [Revised: 11/21/2012] [Accepted: 11/25/2012] [Indexed: 11/21/2022]
Abstract
Two new cis-stilbenoids, sciryagarol I (1) and II (2) were isolated from the EtOAc extract of the tubers of Scirpus yagara, together with four known compounds. The structures of all compounds were determined by comprehensive analyses of their spectroscopic data and comparison with literature information. The compounds 3, 4 and 6 were isolated for the first time from this genus. Some compounds were tested for their cytotoxicity against human tumor cell lines and antimicrobial activity. Compounds 1-4 showed significant cytotoxicity against the Hela cell lines with IC(50) values ranging from 7.21 to 61.21μM. 1 and 2 exhibited some antimicrobial activity against Staphylococcus aureus and Candida albicans with uniform MICs of 79.3μl/ml for 2, and 152μl/ml for 1, respectively.
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Ren Y, Matthew S, Lantvit DD, Ninh TN, Chai H, Fuchs JR, Soejarto DD, Carcache de Blanco EJ, Swanson SM, Kinghorn AD. Cytotoxic and NF-κB inhibitory constituents of the stems of Cratoxylum cochinchinense and their semisynthetic analogues. J Nat Prod 2011; 74:1117-25. [PMID: 21428375 PMCID: PMC3103643 DOI: 10.1021/np200051j] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
A new caged xanthone (1), a new prenylxanthone (2), seven known xanthones, and a known sterol glucoside were isolated from the stems of Cratoxylum cochinchinense, collected in Vietnam. Compounds 1 and 2 were determined structurally by analysis of their spectroscopic data. In addition, five new (10 and 16-19) and eight known prenylated xanthone derivatives were synthesized from the known compounds α-mangostin (3) and cochinchinone A (6). Several of these substances were found to be cytotoxic toward HT-29 human colon cancer cells, with the most potent being 3,6-di-O-acetyl-α-mangostin (8, ED50, 1.0 μM), which was tested further in an in vivo hollow fiber assay, but found to be inactive at the highest dose used (20 mg/kg; ip). Of the substances evaluated in a NF-κB p65 inhibition assay, 1,3,7-trihydroxy-2,4-diisoprenylxanthone (5) exhibited the most potent activity (IC50, 2.9 μM). In a mitochondrial transmembrane potential assay, two new compounds, 1 (IC50, 3.3 μM) and 10 (IC50, 1.4 μM), and two known compounds, 3 (α-mangostin, IC50, 0.2 μM) and 11 (3,6-di-O-methyl-α-mangostin, IC50, 0.9 μM), were active. A preliminary analogue development study showed that 3,6-diacetylation and 6-benzoylation both slightly increased the cytotoxicity of α-mangostin (3), whereas methylation reduced such activity. In contrast, neither acetylation, benzoylation, nor methylation enhanced the cytotoxicity of cochinchinone A (6).
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - A. Douglas Kinghorn
- To whom correspondence should be addressed. Tel.: +1 614 247 8094. Fax: +1 614 247 8081.
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