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Shakour N, Mohadeszadeh M, Iranshahi M. Biomimetic Synthesis of Biologically Active Natural Products: An Updated Review. Mini Rev Med Chem 2024; 24:3-25. [PMID: 37073153 DOI: 10.2174/1389557523666230417083143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/15/2022] [Accepted: 11/22/2022] [Indexed: 04/20/2023]
Abstract
BACKGROUND Natural products have optical activities with unusual structural characteristics or specific stereoselectivity, mostly including spiro-ring systems or quaternary carbon atoms. Expensive and time-consuming methods for natural product purification, especially natural products with bioactive properties, have encouraged chemists to synthesize those compounds in laboratories. Due to their significant role in drug discovery and chemical biology, natural products have become a major area of synthetic organic chemistry. Most medicinal ingredients available today are healing agents derived from natural resources, such as plants, herbs, and other natural products. METHODS Materials were compiled using the three databases of ScienceDirect, PubMed, and Google Scholar. For this study, only English-language publications have been evaluated based on their titles, abstracts, and full texts. RESULTS Developing bioactive compounds and drugs from natural products has remained challenging despite recent advances. A major challenge is not whether a target can be synthesized but how to do so efficiently and practically. Nature has the ability to create molecules in a delicate but effective manner. A convenient method is to imitate the biogenesis of natural products from microbes, plants, or animals for synthesizing natural products. Inspired by the mechanisms occurring in the nature, synthetic strategies facilitate laboratory synthesis of natural compounds with complicated structures. CONCLUSION In this review, we have elaborated on the recent syntheses of natural products conducted since 2008 and provided an updated outline of this area of research (Covering 2008-2022) using bioinspired methods, including Diels-Alder dimerization, photocycloaddition, cyclization, and oxidative and radical reactions, which will provide an easy access to precursors for biomimetic reactions. This study presents a unified method for synthesizing bioactive skeletal products.
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Affiliation(s)
- Neda Shakour
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Manijeh Mohadeszadeh
- Department of Chemistry, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mehrdad Iranshahi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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2
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Li J, Chen Y, Wu L, Tuo X, Wang L, Zhou G, Huang SX, Xiong W, Huang JP. Phytochemical Analysis of Nothapodytes tomentosa and Distribution and Content of Camptothecin and its Analogues in Four Plants. PLANTA MEDICA 2023; 89:1250-1258. [PMID: 37044129 DOI: 10.1055/a-2072-2177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Camptothecin (CPT) and its derivatives have attracted worldwide attention because of their notable anticancer activity. However, the growing demand for CPT in the global pharmaceutical industry has caused a severe shortage of CPT-producing plant resources. In this study, phytochemical analysis of Nothapodytes tomentosa results in the isolation and identification of CPT (13: ) and 16 analogues (1: - 12, 14: - 17: ), including a new (1: ) and five known (9, 10, 12, 15: , and 17: ) CPT analogues with an open E-ring. In view of the potential anticancer activity of CPT analogues with an open E-ring, the fragmentation pathways and mass spectra profiles of these six CPT analogues (1, 9, 10, 12, 15: , and 17: ) are investigated, providing a reference for the rapid detection of these compounds in other plants. Furthermore, based on the fragmentation patterns of CPT (13: ) and known analogues (2: - 8, 11, 14, 16, 18: - 26: ), the distribution and content of these compounds in different tissues of N. tomentosa, N. nimmoniana, Camptotheca acuminata, and Ophiorrhiza japonica are further studied. Our findings not only provide an alternative plant resource for further expanding the development and utilization of CPT and its analogues, but also lay a foundation for improving the utilization of known CPT-producing plant resources.
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Affiliation(s)
- Junheng Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and CAS Center for Excellence in Molecular Plant Sciences, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Yin Chen
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and CAS Center for Excellence in Molecular Plant Sciences, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Lei Wu
- Institute of Applied Chemistry, Jiangxi Academy of Sciences, Nanchang, China
| | - Xiaotao Tuo
- State Key Laboratory of Southwestern Chinese Medicine Resources, and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and CAS Center for Excellence in Molecular Plant Sciences, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Li Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and CAS Center for Excellence in Molecular Plant Sciences, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Guanglian Zhou
- State Key Laboratory of Southwestern Chinese Medicine Resources, and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and CAS Center for Excellence in Molecular Plant Sciences, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Sheng-Xiong Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and CAS Center for Excellence in Molecular Plant Sciences, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Wei Xiong
- Institute of Applied Chemistry, Jiangxi Academy of Sciences, Nanchang, China
| | - Jian-Ping Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and CAS Center for Excellence in Molecular Plant Sciences, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
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3
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Qin R, You FM, Zhao Q, Xie X, Peng C, Zhan G, Han B. Naturally derived indole alkaloids targeting regulated cell death (RCD) for cancer therapy: from molecular mechanisms to potential therapeutic targets. J Hematol Oncol 2022; 15:133. [PMID: 36104717 PMCID: PMC9471064 DOI: 10.1186/s13045-022-01350-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 09/03/2022] [Indexed: 12/11/2022] Open
Abstract
Regulated cell death (RCD) is a critical and active process that is controlled by specific signal transduction pathways and can be regulated by genetic signals or drug interventions. Meanwhile, RCD is closely related to the occurrence and therapy of multiple human cancers. Generally, RCD subroutines are the key signals of tumorigenesis, which are contributed to our better understanding of cancer pathogenesis and therapeutics. Indole alkaloids derived from natural sources are well defined for their outstanding biological and pharmacological properties, like vincristine, vinblastine, staurosporine, indirubin, and 3,3′-diindolylmethane, which are currently used in the clinic or under clinical assessment. Moreover, such compounds play a significant role in discovering novel anticancer agents. Thus, here we systemically summarized recent advances in indole alkaloids as anticancer agents by targeting different RCD subroutines, including the classical apoptosis and autophagic cell death signaling pathways as well as the crucial signaling pathways of other RCD subroutines, such as ferroptosis, mitotic catastrophe, necroptosis, and anoikis, in cancer. Moreover, we further discussed the cross talk between different RCD subroutines mediated by indole alkaloids and the combined strategies of multiple agents (e.g., 3,10-dibromofascaplysin combined with olaparib) to exhibit therapeutic potential against various cancers by regulating RCD subroutines. In short, the information provided in this review on the regulation of cell death by indole alkaloids against different targets is expected to be beneficial for the design of novel molecules with greater targeting and biological properties, thereby facilitating the development of new strategies for cancer therapy.
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4
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Kitajima M. Recent studies on chemical constituents of Ophiorrhiza plants. J Nat Med 2022; 76:748-755. [PMID: 35902551 PMCID: PMC9411090 DOI: 10.1007/s11418-022-01640-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/09/2022] [Indexed: 11/29/2022]
Abstract
Ophiorrhiza plants (Family Rubiaceae) are known to produce diverse monoterpenoid indole alkaloids including camptothecin with potent antitumor activity. This review contains a summary of recent chemical studies reported over the past 10 years regarding alkaloids (monoterpenoid indole and tetrahydroisoquinoline alkaloids, and cyclopeptide) in Ophiorrhiza plants. In addition, the alkaloid biosynthetic pathways based on their reported structures were proposed.
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Affiliation(s)
- Mariko Kitajima
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8675, Japan.
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Structurally Diverse Metabolites from the Ophiorrhiza japonica Bl. and Their Antioxidant Activities In Vitro and PPARα Agonistic Activities In Silico. Molecules 2022; 27:molecules27165301. [PMID: 36014541 PMCID: PMC9412425 DOI: 10.3390/molecules27165301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/04/2022] [Accepted: 08/17/2022] [Indexed: 11/17/2022] Open
Abstract
Ophiorrhiza japonica Bl. is a traditional Chinese materia medica widely used to treat several diseases. Chemical and pharmacological studies on O. japonica have been carried out; however, neither of them has been fully explored. In this study, an array of compounds was isolated from the title plant, including a new anthraquinone, ophiorrhizaquinone A (1), three alkaloids 2–4 and seven other compounds 5–11 with diverse structural types. Additionally, compounds 2, 5, 7, 8, 10 and 11 were isolated from the genus of Ophiorrhiza for the first time. Antioxidant bioassays in vitro using DPPH and ABTS were performed, and the results showed that compound 3 exhibited modest antioxidant activity with IC50 values of 0.0321 mg/mL and 0.0319 mg/mL, respectively. An in silico study of PPARα agonistic activities of compounds 2 and 3 was conducted by molecular docking experiments, revealing that both of them occupied the active site of PPARα via hydrogen bonds and hydrophobic interactions effectively. This study enriched both the phytochemical and pharmacological profiles of O. japonica.
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Shahbazi-Alavi H, Abbas AK, Safaei-Ghomi J, Tavazo M. Sonosynthesis of Spiro-Oxindoles Using Crosslinked Sulfonated Polyacrylamide Tethered to nano-Fe 3O 4 as High Performance Catalyst. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2020.1825004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | - Ali Kareem Abbas
- College of Applied Medical Sciences, University of Kerbala, Iraq
| | - Javad Safaei-Ghomi
- Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Iran
| | - Maryam Tavazo
- Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Iran
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Zhang HH, Yang WJ, Huang YJ, Li WJ, Zhang SX, Liu ZY. The metabolism of gelsevirine in human, pig, goat and rat liver microsomes. Vet Med Sci 2021; 7:2086-2092. [PMID: 33955684 PMCID: PMC8464259 DOI: 10.1002/vms3.499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 03/07/2021] [Accepted: 04/07/2021] [Indexed: 11/25/2022] Open
Abstract
Gelsemium is a small genus of flowering plants from the family Loganiaceae comprising five species, three of which, Gelsemium sempervirens (L.) J. St.‐Hil., G. elegans Benth and G. rankinii Small, are particularly popular. Compared with other alkaloids from G. elegans, gelsemine, gelsevirine and koumine exhibit equally potent anxiolytic effects and low toxicity. Although the pharmacological activities and metabolism of koumine and gelsemine have been reported in previous studies, the species differences of gelsevirine metabolism have not been well studied. In this study, the metabolism of gelsevirine was investigated by using liver microsomes of humans, pigs, goats and rats by means of HPLC‐QqTOF/MS. The results indicated that the metabolism of gelsevirine in liver microsomes had qualitative and quantitative species differences. Based on the results, the possible metabolic pathways of gelsevirine in liver microsomes were proposed. Investigation of the metabolism of gelsevirine will provide a basis for further studies of the in vivo metabolism of this drug.
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Affiliation(s)
- Hua-Hai Zhang
- College of Forestry, Northwest A&F University, Yangling, China.,Qinling National Forest Ecosystem Research Station, Huoditang, China
| | - Wen-Jia Yang
- Yangling Demonstration Zone Hospital, Yangling, China
| | - Ya-Jun Huang
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, China.,Hunan Prima Drug Research Center Co., Ltd., Changsha, China
| | - Wen-Jing Li
- College of Landscape Architecture and Arts, Northwest A&F University, Yangling, China
| | - Shuo-Xin Zhang
- College of Forestry, Northwest A&F University, Yangling, China.,Qinling National Forest Ecosystem Research Station, Huoditang, China
| | - Zhao-Ying Liu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, China.,Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, China
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Li NP, Liu JS, Liu JW, Tian HY, Zhou HL, Zheng YR, Huang XJ, Cao JQ, Ye WC, Wang L. Monoterpenoid indole alkaloids from the fruits of Gelsemium elegans and their anti-inflammatory activities. Bioorg Chem 2021; 107:104624. [PMID: 33465669 DOI: 10.1016/j.bioorg.2020.104624] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/28/2020] [Accepted: 12/30/2020] [Indexed: 10/22/2022]
Abstract
Two novel monoterpenoid indole alkaloids (MIAs), gelsechizines A-B (1-2), along with four known ones (3-6) were isolated from the fruits of Gelsemium elegans. Compound 1 features a new carbon skeleton with two additional carbon atoms forming a 4-methylpyridine unit. Their structures with absolute configurations were elucidated by NMR, MS, X-ray diffraction and electronic circular dichroism (ECD) calculations. Compounds 1-3 showed significant anti-inflammatory effects in vivo and in vitro, which may be related to the inhibition of the trecruitment of neutrophils and macrophages as well as the secretion of TNF-α and IL-6. Preliminary structure-activity relationship analysis revealed that the β-N-acrylate moiety plays an important role in the anti-inflammatory effect.
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Affiliation(s)
- Ni-Ping Li
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China
| | - Jun-Shan Liu
- Third Level Research Laboratory of State Administration of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Jiao-Wen Liu
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China
| | - Hai-Yan Tian
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China
| | - Hong-Ling Zhou
- Third Level Research Laboratory of State Administration of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Yuan-Ru Zheng
- Third Level Research Laboratory of State Administration of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Xiao-Jun Huang
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China
| | - Jia-Qing Cao
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China
| | - Wen-Cai Ye
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China.
| | - Lei Wang
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China.
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Wang Y, Cobo AA, Franz AK. Recent advances in organocatalytic asymmetric multicomponent cascade reactions for enantioselective synthesis of spirooxindoles. Org Chem Front 2021. [DOI: 10.1039/d1qo00220a] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Catalytic asymmetric MCCRs for enantioselective synthesis of spirooxindoles by using chiral phosphoric acids, amines, bifunctional thiourea/squaramides and metal-based reagents as catalysts.
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Affiliation(s)
- Yongchao Wang
- Colleage of Vocational and Technical Education
- Yunnan Normal University
- Kunming 650092
- P. R. China
| | - Angel A. Cobo
- Department of Chemistry
- University of California
- Davis
- USA
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Xue Q, Hu J, Liu XC, Gu J. Cytotoxic gelsedine-type indole alkaloids from Gelsemium elegans. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2020; 22:1138-1144. [PMID: 31913055 DOI: 10.1080/10286020.2019.1694008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 11/11/2019] [Accepted: 11/11/2019] [Indexed: 06/10/2023]
Abstract
A chemical investigation on the 95% ethanol extract of the aerial part of Gelsemium elegans resulted in the isolation of three new gelsedine-type indole alkaloids, 14β-hydroxygelselenidine (1), 11-methoxygelseziridine (2), and 14β-hydroxygelsedethenine (3). Structural elucidation of all the compounds was accomplished by spectral methods such as 1 D and 2 D NMR, IR, UV, and HRESIMS. The isolated compounds were tested in vitro for cytotoxic activities against five human non-small-cell lung cancer cell lines. Consequently, alkaloid 3 exhibited cytotoxic activities for all tested tumor cell lines with IC50 values from 8.3 to 9.8 μM. [Formula: see text].
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Affiliation(s)
- Qiang Xue
- Department of Radiotherapy, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Jiang Hu
- College of Biological Resources and Food Engineering, Qujing Normal University, Qujing 655011, China
| | - Xian-Chen Liu
- Department of Radiotherapy, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Jun Gu
- Department of Respiratory, Affiliated Hospital of Nantong University, Nantong 226001, China
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Genus Ophiorrhiza: A Review of Its Distribution, Traditional Uses, Phytochemistry, Biological Activities and Propagation. Molecules 2020; 25:molecules25112611. [PMID: 32512727 PMCID: PMC7321107 DOI: 10.3390/molecules25112611] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/15/2020] [Accepted: 04/15/2020] [Indexed: 11/17/2022] Open
Abstract
Almost 50 species of Ophiorrhiza plants were reviewed in this work and the main objective is to critically analyse their distribution, phytochemical content, biological activity, and propagation. Moreover, the information would be useful in promoting the relevant uses of the plant, especially in the medicinal fields based on in vitro and in vivo studies. To this end, scientific sources, including theses, PubMed, Google Scholar, International Islamic University Malaysia IIUM EBSCO, PubChem, and Elsevier, were accessed for publications regarding the Ophiorrhiza genus in this review. Scientific literature regarding the Ophiorrhiza plants revealed their wide distribution across Asia and the neighbouring countries, whereby they were utilised as traditional medicine to treat various diseases. In particular, various active compounds, such as alkaloids, flavonoids, and terpenoids, were reported in the plant. Furthermore, the Ophiorrhiza species showed highly diverse biological activities, such as anti-cancer, antiviral, antimicrobial, and more. The genus propagation reported could produce a high quality and quantity of potent anticancer compound, namely camptothecin (CPT). Hence, it is believed that the relevant uses of natural compounds present in the plants can replace the existing crop of synthetic anticancer drugs associated with a multitude of unbearable side effects. Additionally, more future studies on the Ophiorrhiza species should be undertaken to establish the links between its traditional uses, active compounds, and pharmacological activities reported.
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Rosales PF, Bordin GS, Gower AE, Moura S. Indole alkaloids: 2012 until now, highlighting the new chemical structures and biological activities. Fitoterapia 2020; 143:104558. [PMID: 32198108 DOI: 10.1016/j.fitote.2020.104558] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/13/2020] [Accepted: 03/15/2020] [Indexed: 01/11/2023]
Abstract
Indole alkaloids have attracted attention because of their therapeutic properties, being anti-inflammatory, antinociceptive, antitumoural, antioxidant and antimicrobial. These compounds present a wide structural diversity, which is directly related to the genera of the producing plants, as well as the biological activities. Indole alkaloids have attracted attention over the last decade because of this combination of bioactivity and structural diversity. Therefore, this review presented recent (2012-2018) advances in alkaloids, focusing on new compounds, extraction methods and biological activities. As such, approximately 70 articles were identified, which showed 261 new compounds produced by plants of the families Apocynaceae, Rubiaceae, Annonaceae and Loganiaceae. In addition, different extraction methods were identified, and the structures of the new compounds were analysed. In addition to indole molecules, there were mono-indole-, di-indole-, vinblastine-, vimblastine-, gelsedine-, geissospermidine-, koumine-, geissospermidine-, iboga-, perakine-, corynanthe-, vincamine-, ajmaline-, aspidorpema-, strychnos-type, β-carboline alkaloids and indole alkaloid glucosides. The reported biological activities are mainly anticancer, antibacterial, antimalarial, antifungal, antiparasitic, and antiviral, as well as anti-acetylcholinesterase and anti-butyrylcolinesterase properties. This review serves as a guide for those wishing to find the most recently identified alkaloid structures and their associated activities.
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Affiliation(s)
- Pauline Fagundes Rosales
- LBIOP - Laboratory of Biotechnology of Natural and Synthetics Products, Technology Department, Biotechnology Institute, University of Caxias do Sul, Caxias do Sul, Brazil; IFRS -Federal Institute of Education, Science and Technology of Rio Grande do Sul, Campus Bento Gonçalves, Brazil
| | - Gabriela Sandri Bordin
- LBIOP - Laboratory of Biotechnology of Natural and Synthetics Products, Technology Department, Biotechnology Institute, University of Caxias do Sul, Caxias do Sul, Brazil
| | - Adriana Escalona Gower
- LBIOP - Laboratory of Biotechnology of Natural and Synthetics Products, Technology Department, Biotechnology Institute, University of Caxias do Sul, Caxias do Sul, Brazil
| | - Sidnei Moura
- LBIOP - Laboratory of Biotechnology of Natural and Synthetics Products, Technology Department, Biotechnology Institute, University of Caxias do Sul, Caxias do Sul, Brazil.
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Liu H, Liao W, Fan L, Zheng Z, Liu D, Zhang QW, Yang A, Liu F. Ethanol extract of Ophiorrhiza pumila suppresses liver cancer cell proliferation and migration. Chin Med 2020; 15:11. [PMID: 32021647 PMCID: PMC6995237 DOI: 10.1186/s13020-020-0291-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 01/16/2020] [Indexed: 01/20/2023] Open
Abstract
Background Ophiorrhiza pumila, belonging to the genus Ophiorrhiza (Rubiaceae), is distributed throughout tropical and subtropical Asia. In this study, we evaluated for the first time the anti-proliferation and anti-migration effects of ethanol extract of O. pumila (OPE) on HepG2 and SMMC-7721 cells, and explored the related mechanism. Methods OPE was prepared by percolation with 95% ethanol and its main compounds were analyzed by HPLC-MS2. The anti-proliferation effect of OPE was evaluated by the CCK-8 assay and colony formation assay. Cell cycle distribution, apoptosis, and reactive oxygen species (ROS) level were detected by flow cytometry. Migration and invasion abilities were detected by Transwell migration/invasion assays. The expression of correlated proteins was determined using western blotting. Results A total of 5 tentative compounds were identified from OPE, including pumiloside, deoxypumiloside, camptothecin, aknadinine, and β-stigmasterol. OPE displayed strong cytostatic effects on HepG2 and SMMC-7721 cells. OPE induced G2/M phase cell cycle arrest, increased apoptosis, and augmented ROS production in these cell lines. In addition, OPE possessed a significant inhibition on cell migration and invasion by reduction of MMP-9 and MMP-2 expression. Moreover, OPE significantly suppressed the phosphorylation of p65. Conclusions Our data showed that OPE suppresses liver cancer cell proliferation and migration, which is possibly involved with the inhibition of the NF-κB pathway.
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Affiliation(s)
- Hui Liu
- 1Department of Basic Medicine and Biomedical Engineering, School of Stomatology and Medicine, Foshan University, Foshan, People's Republic of China
| | - Wanqin Liao
- 1Department of Basic Medicine and Biomedical Engineering, School of Stomatology and Medicine, Foshan University, Foshan, People's Republic of China
| | - Lixia Fan
- 1Department of Basic Medicine and Biomedical Engineering, School of Stomatology and Medicine, Foshan University, Foshan, People's Republic of China
| | - Zhaoguang Zheng
- 1Department of Basic Medicine and Biomedical Engineering, School of Stomatology and Medicine, Foshan University, Foshan, People's Republic of China
| | - Dahai Liu
- 1Department of Basic Medicine and Biomedical Engineering, School of Stomatology and Medicine, Foshan University, Foshan, People's Republic of China
| | - Qing-Wen Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao Sar, People's Republic of China
| | - Anping Yang
- 1Department of Basic Medicine and Biomedical Engineering, School of Stomatology and Medicine, Foshan University, Foshan, People's Republic of China
| | - Fang Liu
- 1Department of Basic Medicine and Biomedical Engineering, School of Stomatology and Medicine, Foshan University, Foshan, People's Republic of China
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Viet Cuong LC, Anh LT, Huu Dat TT, Anh TTP, Lien LQ, Kim YH, Tuan Anh HL. Cytotoxic and anti-inflammatory activities of secondary metabolites from Ophiorrhiza baviensis growing in Thua Thien Hue, Vietnam. Nat Prod Res 2019; 35:4218-4224. [PMID: 31773982 DOI: 10.1080/14786419.2019.1693564] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A new ursane-type triterpene, 3β,23,24-trihydroxyurs-12-en-28-oic acid (1), together with eight known compounds (2-9) were isolated from the aerial parts of Ophiorrhiza baviensis. Among them, compounds 2-5 were found for the first time from the genus Ophiorrhiza, while compounds 6-9 were reported from O. baviensis for the first time. Their structures were elucidated by analysis of HR-ESI-MS and NMR (1H-NMR, 13C-NMR, HSQC, and HMBC) spectra, as well as comparison with those reported in the literature. Moreover, all isolated compounds were evaluated for their cytotoxic activities against MCF-7, Hela, KB, A549, and SK-LU-1 cancer cell lines and their effects on LPS-induced NO production in RAW264.7 cells. This is the first report of chemical constituents and biological activities of O. baviensis.
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Affiliation(s)
- Le Canh Viet Cuong
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology (VAST), Hue City, Vietnam
| | - Le Tuan Anh
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology (VAST), Hue City, Vietnam.,Graduate University of Science and Technology, VAST, Hanoi City, Vietnam
| | - Ton That Huu Dat
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology (VAST), Hue City, Vietnam
| | | | - Le Quynh Lien
- Department of International Co-Operation, VAST, Hanoi City, Vietnam
| | - Young Ho Kim
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Hoang Le Tuan Anh
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology (VAST), Hue City, Vietnam.,Graduate University of Science and Technology, VAST, Hanoi City, Vietnam
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15
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Sun MX, Cui Y, Li Y, Meng WQ, Xu QQ, Zhao J, Lu JC, Xiao K. Indole alkaloids from Gelsemium elegans. PHYTOCHEMISTRY 2019; 162:232-240. [PMID: 30953910 DOI: 10.1016/j.phytochem.2019.03.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 03/15/2019] [Accepted: 03/20/2019] [Indexed: 06/09/2023]
Abstract
Five previously undescribed monoterpenoid indole alkaloids were isolated from the roots of Gelsemium elegans. Their structures with absolute configurations were elucidated by HRESIMS, X-ray diffraction, ECD spectra, and molecular modeling. 19,20-Epoxyhumantenine is a humantenine-type alkaloid with an epoxypropyl group at the C-20 position, (4R)-19-oxo-gelsevirine N4-oxide is a gelsemine-related alkaloid, and gelsedethenine is a gelsedine-type alkaloid with a butenyl group at the C-20 position. Moreover, 10,11-dimethoxy-N1-demethoxy-gelsemamide is an open-loop indole alkaloid and 11-demethoxy-gelsemazonamide is an aromatic azo-linked dimeric indole alkaloid. Among the five alkaloids, (4R)-19-oxo-gelsevirine N4-oxide and 10,11-dimethoxy-N1-demethoxy-gelsemamide exhibited significant inhibitory effects on nitric oxide production in lipopolysaccharide-induced RAW 264.7 macrophage cells, with IC50 values of 6.18 ± 1.07 and 12.2 ± 1.02 μM, respectively.
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Affiliation(s)
- Ming-Xue Sun
- Lab of Toxicology and Pharmacology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, 200433, China
| | - Yan Cui
- Lab of Toxicology and Pharmacology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, 200433, China; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Yu Li
- School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Wen-Qi Meng
- Lab of Toxicology and Pharmacology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, 200433, China
| | - Qing-Qiang Xu
- Lab of Toxicology and Pharmacology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, 200433, China
| | - Jie Zhao
- Lab of Toxicology and Pharmacology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, 200433, China
| | - Jin-Cai Lu
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Kai Xiao
- Lab of Toxicology and Pharmacology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, 200433, China.
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16
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Lin L, Liu YC, Liu ZY. The Difference in Cytotoxic Activity between Two Optical Isomers of Gelsemine from Gelsemium elegans Benth. on PC12 Cells. Molecules 2019; 24:molecules24102004. [PMID: 31130596 PMCID: PMC6571982 DOI: 10.3390/molecules24102004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 05/20/2019] [Accepted: 05/22/2019] [Indexed: 11/16/2022] Open
Abstract
Two optical isomers, +/- gelsemine (1, 2), together with one known compound were isolated from the whole plant of G. elegans. The structures of the separated constituents were elucidated on 1D and 2D (1H-1H COSY, HMBC, HSQC) NMR spectroscopy and high-resolution mass spectrometry (HRMS). The isolated alkaloids were tested in vitro for cytotoxic potential against PC12 cells by the MTT assay. As a result, (+) gelsemine (compound 1) exhibited cytotoxic activity against PC12 cells with an IC50 value of 31.59 μM, while (-) gelsemine (compound 2) was not cytotoxic.
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Affiliation(s)
- Li Lin
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China.
| | - Yan-Chun Liu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China.
- Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha 410128, China.
| | - Zhao-Ying Liu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China.
- Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha 410128, China.
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17
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Khojasteh-Khosro S, Shahbazi-Alavi H. Preparation of spirooxindoles catalyzed by nano-Co 3S 4 under microwave irradiations. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.1177/1747519819841791] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
An efficient and rapid method is used for the synthesis of 10-methyl-8 H-spiro[benzo[5,6]chromeno[2,3- c]pyrazole-11,3′-indol]-2′(1′ H)-one and 8-methyl-10-phenyl-10,11-dihydrospiro[pyrazolo[3,4- b]benzo[ h]quinolin-7,3′-indol]-2′(1′ H)-one by a four-component reactions of phenylhydrazine or hydrazine hydrate, isatins, ketoesters, and naphthylamine or 2-naphthol using nano-Co3S4 under microwave irradiation.
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18
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Pu X, Zhang CR, Zhu L, Li QL, Huang QM, Zhang L, Luo YG. Possible clues for camptothecin biosynthesis from the metabolites in camptothecin-producing plants. Fitoterapia 2019; 134:113-128. [PMID: 30794920 DOI: 10.1016/j.fitote.2019.02.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/14/2019] [Accepted: 02/18/2019] [Indexed: 01/13/2023]
Abstract
The plant derived camptothecin (CPT) is a pentacyclic pyrroloquinoline alkaloid with unique antitumor activity. Successive discoveries of new CPT-producing plants occurred in recent years due to market demands. The scattered distribution among angiosperms drew researchers' attention. The aim of this review is to appraise the literature available to date for CPT distribution and the phytochemistry of these CPT-producing plants. Metabolite comparative analyses between the plants were also conducted for tracking of possible clues for CPT biosynthesis. Forty-three plant species in total were reported to possess CPT-producing capability, and one hundred twenty-five alkaloids classified into three major categories are summarized herein. Metabolite comparative analysis between these plants suggests the probability that the formation of the central intermediate for CPT biosynthesis has multiple origins. A more complete biogenetic reasoning for CPT and its structural homolog was delineated based on this fragmentary phytochemical evidence from a chemical point of view. Furthermore, an in-house compound database was constructed for further metabolomic analysis.
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Affiliation(s)
- Xiang Pu
- College of Science, Sichuan Agricultural University, Ya'an 625014, China; Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
| | - Cheng-Rui Zhang
- College of Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Lin Zhu
- College of Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Qi-Long Li
- College of Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Qian-Ming Huang
- College of Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Li Zhang
- College of Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Ying-Gang Luo
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China; State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China.
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19
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Feng T, Duan KT, He SJ, Wu B, Zheng YS, Ai HL, Li ZH, He J, Zuo JP, Liu JK. Ophiorrhines A and B, Two Immunosuppressive Monoterpenoid Indole Alkaloids from Ophiorrhiza japonica. Org Lett 2018; 20:7926-7928. [DOI: 10.1021/acs.orglett.8b03489] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tao Feng
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Kai-Ting Duan
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Shi-Jun He
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Bin Wu
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Yong-Sheng Zheng
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Hong-Lian Ai
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Zheng-Hui Li
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Juan He
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Jian-Ping Zuo
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Ji-Kai Liu
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
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20
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Synthesis of spiro-oxindoles catalyzed by nano-Co3S4. MONATSHEFTE FUR CHEMIE 2018. [DOI: 10.1007/s00706-018-2246-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Alemi Tameh F, Safaei-Ghomi J. Synthesis of spiro[pyrazoloquinoline-oxindoles] and spiro[chromenopyrazolo-oxindoles] promoted by guanidine-functionalized magnetic Fe3O4 nanoparticles. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1361-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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22
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Wang HT, Yang YC, Mao X, Wang Y, Huang R. Cytotoxic gelsedine-type indole alkaloids from Gelsemium elegans. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2018; 20:321-327. [PMID: 28679292 DOI: 10.1080/10286020.2017.1342637] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 06/09/2017] [Indexed: 06/07/2023]
Abstract
The ethanol extract of the leaves and branches of Gelsemium elegans afforded three new gelsedine-type indole alkaloids, 11-methoxy-14,15-dihydroxyhumantenmine (1), 11-methoxy-14,15-dihydroxy-19-oxogelsenicine (2), and 11-methoxy-14-hydroxygelsedilam (3), along with one known alkaloid 11-methoxy-14-hydroxyhumantenmine (4). The structures of isolated compounds were established based on 1D and 2D (1H-1H COSY, HMQC, and HMBC) NMR spectroscopy, in addition to high-resolution mass spectrometry. The isolated alkaloids were tested in vitro for cytotoxic potential against four laryngeal tumor cell lines including Hep-2, LSC-1, TR-LCC-1, and FD-LSC-1. As a result, compounds 1 and 4 exhibited some cytotoxic activities against all tested tumor cell lines with IC50 values of 10.9-12.1 μM and 9.2-10.8 μM, respectively.
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Affiliation(s)
- Hai-Tao Wang
- a Department of E.N.T. , Second Hospital of Jilin University , Changchun 130041 , China
| | - Yan-Chun Yang
- b Department of E.N.T. , Jilin Oil Field General Hospital , Changchun 131106 , China
| | - Xia Mao
- c College of Biological Resources and Environment Science, Qujing Normal University , Qujing 655011 , China
| | - Ying Wang
- d Department of Gastroenterology , The First Hospital of Jilin University , Changchun 130041 , China
| | - Rui Huang
- a Department of E.N.T. , Second Hospital of Jilin University , Changchun 130041 , China
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23
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Shimokawa J. Synthetic Studies on Heteropolycyclic Natural Products: Development of Divergent Strategy. Chem Pharm Bull (Tokyo) 2018; 66:105-115. [DOI: 10.1248/cpb.c17-00819] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Jun Shimokawa
- Graduate School of Pharmaceutical Sciences, Nagoya University
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24
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Zhan Y, Liu T, Ren J, Wang Z. Lewis Acid-Catalyzed Intramolecular [3+2] Cross-Cycloaddition of Aziridine 2,2-Diesters with Conjugated Dienes for Construction of Aza-[n
.2.1] Skeletons. Chemistry 2017; 23:17862-17866. [DOI: 10.1002/chem.201704695] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Yizhou Zhan
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry; College of Chemistry; Nankai University; 94 Weijin Road Tianjin 300071 China
| | - Tao Liu
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry; College of Chemistry; Nankai University; 94 Weijin Road Tianjin 300071 China
| | - Jun Ren
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry; College of Chemistry; Nankai University; 94 Weijin Road Tianjin 300071 China
| | - Zhongwen Wang
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry; College of Chemistry; Nankai University; 94 Weijin Road Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering; Nankai University; 94 Weijin Road Tianjin 300071 China
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25
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Onozawa T, Kitajima M, Kogure N, Peerakam N, Santiarworn D, Takayama H. A Cyclopeptide and a Tetrahydroisoquinoline Alkaloid from Ophiorrhiza nutans. JOURNAL OF NATURAL PRODUCTS 2017; 80:2156-2160. [PMID: 28726398 DOI: 10.1021/acs.jnatprod.7b00290] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A new cyclopeptide, ophiorrhisine A (1), a new tetrahydroisoquinoline alkaloid, 7',10-dide-O-methylcephaeline (2), two known β-carboline alkaloids, and four known tetrahydroisoquinoline alkaloids were isolated from Ophiorrhiza nutans (Rubiaceae). Compound 1 is a tetrapeptide possessing a 14-membered paracyclophane ring and a novel N,N,N-trimethyltyrosine residue in the side chain. The stereochemistry at the aryl-alkyl ether bond was different from that of other known 14-membered paracyclophanes. The structure of 2 was established by spectroscopic analysis and semisynthesis.
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Affiliation(s)
- Tadayoshi Onozawa
- Department of Biofunctional Molecular Chemistry, Graduate School of Pharmaceutical Sciences, Chiba University , 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Mariko Kitajima
- Department of Biofunctional Molecular Chemistry, Graduate School of Pharmaceutical Sciences, Chiba University , 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Noriyuki Kogure
- Department of Biofunctional Molecular Chemistry, Graduate School of Pharmaceutical Sciences, Chiba University , 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Nichakan Peerakam
- Faculty of Pharmaceutical Science, Burapha University , Bangsaen, Chonburi Province 20131, Thailand
| | | | - Hiromitsu Takayama
- Department of Biofunctional Molecular Chemistry, Graduate School of Pharmaceutical Sciences, Chiba University , 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
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26
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Wang L, Wang JF, Mao X, Jiao L, Wang XJ. Gelsedine-type oxindole alkaloids from Gelsemium elegans and the evaluation of their cytotoxic activity. Fitoterapia 2017; 120:131-135. [DOI: 10.1016/j.fitote.2017.06.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 06/03/2017] [Accepted: 06/04/2017] [Indexed: 11/25/2022]
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27
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Zhang W, Zhang SY, Wang GY, Li NP, Chen MF, Gu JH, Zhang DM, Wang L, Ye WC. Five new koumine-type alkaloids from the roots of Gelsemium elegans. Fitoterapia 2017; 118:112-117. [DOI: 10.1016/j.fitote.2017.03.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 02/27/2017] [Accepted: 03/10/2017] [Indexed: 12/21/2022]
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28
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Chen CJ, Zhong ZF, Xin ZM, Hong LH, Su YP, Yu CX. Koumine exhibits anxiolytic properties without inducing adverse neurological effects on functional observation battery, open-field and Vogel conflict tests in rodents. J Nat Med 2017; 71:397-408. [DOI: 10.1007/s11418-017-1070-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 01/03/2017] [Indexed: 01/30/2023]
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29
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Nagaraju V, Purnachander D, Goutham K, Suresh S, Sridhar B, Karunakar GV. Synthesis of Tetracyclic Tetrahydro-β-carbolines by Acid-Promoted One-Pot Sequential Formation of C−C and C−N Bonds. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600349] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Vemu Nagaraju
- Division of Crop Protection Chemicals; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Dalovai Purnachander
- Division of Crop Protection Chemicals; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
- Academy of Scientific and Innovative Research; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Kommuru Goutham
- Division of Crop Protection Chemicals; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
- Academy of Scientific and Innovative Research; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Surisetti Suresh
- Division of Organic and Biomolecular Chemistry; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Balasubramanian Sridhar
- Centre for X-ray Crystallography; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Galla V. Karunakar
- Division of Crop Protection Chemicals; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
- Academy of Scientific and Innovative Research; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
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30
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Harada T, Shimokawa J, Fukuyama T. Unified Total Synthesis of Five Gelsedine-Type Alkaloids: (−)-Gelsenicine, (−)-Gelsedine, (−)-Gelsedilam, (−)-14-Hydroxygelsenicine, and (−)-14,15-Dihydroxygelsenicine. Org Lett 2016; 18:4622-5. [DOI: 10.1021/acs.orglett.6b02263] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Takaaki Harada
- Graduate
School of Pharmaceutical Sciences, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Jun Shimokawa
- Graduate
School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan
| | - Tohru Fukuyama
- Graduate
School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan
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31
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Chen M, Liu J, Duan P, Li M, Liu W. Biosynthesis and molecular engineering of templated natural products. Natl Sci Rev 2016. [DOI: 10.1093/nsr/nww045] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Abstract
Bioactive small molecules that are produced by living organisms, often referred to as natural products (NPs), historically play a critical role in the context of both medicinal chemistry and chemical biology. How nature creates these chemical entities with stunning structural complexity and diversity using a limited range of simple substrates has not been fully understood. Focusing on two types of NPs that share a highly evolvable ‘template’-biosynthetic logic, we here provide specific examples to highlight the conceptual and technological leaps in NP biosynthesis and witness the area of progress since the beginning of the twenty-first century. The biosynthesis of polyketides, non-ribosomal peptides and their hybrids that share an assembly-line enzymology of modular multifunctional proteins exemplifies an extended ‘central dogma’ that correlates the genotype of catalysts with the chemotype of products; in parallel, post-translational modifications of ribosomally synthesized peptides involve a number of unusual biochemical mechanisms for molecular maturation. Understanding the biosynthetic processes of these templated NPs would largely facilitate the design, development and utilization of compatible biosynthetic machineries to address the challenge that often arises from structural complexity to the accessibility and efficiency of current chemical synthesis.
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Affiliation(s)
- Ming Chen
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Jingyu Liu
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Panpan Duan
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Mulin Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Wen Liu
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
- State Key Laboratory of Microbial Metabolism, School of Life Science & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
- Huzhou Center of Bio-Synthetic Innovation, Huzhou 313000, China
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32
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Kitajima M, Watanabe K, Maeda H, Kogure N, Takayama H. Asymmetric Total Synthesis of Sarpagine-Related Indole Alkaloids Hydroxygardnerine, Hydroxygardnutine, Gardnerine, (E)-16-epi-Normacusine B, and Koumine. Org Lett 2016; 18:1912-5. [DOI: 10.1021/acs.orglett.6b00661] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mariko Kitajima
- Graduate School of Pharmaceutical
Sciences, Chiba University, 1-8-1 Inohana,
Chuo-ku, Chiba 260-8675, Japan
| | - Keisuke Watanabe
- Graduate School of Pharmaceutical
Sciences, Chiba University, 1-8-1 Inohana,
Chuo-ku, Chiba 260-8675, Japan
| | - Hiroyuki Maeda
- Graduate School of Pharmaceutical
Sciences, Chiba University, 1-8-1 Inohana,
Chuo-ku, Chiba 260-8675, Japan
| | - Noriyuki Kogure
- Graduate School of Pharmaceutical
Sciences, Chiba University, 1-8-1 Inohana,
Chuo-ku, Chiba 260-8675, Japan
| | - Hiromitsu Takayama
- Graduate School of Pharmaceutical
Sciences, Chiba University, 1-8-1 Inohana,
Chuo-ku, Chiba 260-8675, Japan
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33
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Tameh FA, Safaei-Ghomi J, Mahmoudi-Hashemi M, Shahbazi-Alavi H. One-pot multicomponent reaction synthesis of spirooxindoles promoted by guanidine-functionalized magnetic Fe3O4 nanoparticles. RSC Adv 2016. [DOI: 10.1039/c6ra08458c] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A flexible and highly efficient protocol for the synthesis of spirooxindolesusing MNPs-guanidine has been developed.
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Affiliation(s)
- Fatemeh Alemi Tameh
- Department of Chemistry, Science and Research Branch
- Islamic Azad University
- Tehran
- Iran
| | - Javad Safaei-Ghomi
- Department of Chemistry, Science and Research Branch
- Islamic Azad University
- Tehran
- Iran
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Newcomb ET, Knutson PC, Pedersen BA, Ferreira EM. Total Synthesis of Gelsenicine via a Catalyzed Cycloisomerization Strategy. J Am Chem Soc 2015; 138:108-11. [PMID: 26716762 DOI: 10.1021/jacs.5b12263] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first total synthesis of (±)-gelsenicine is reported. The synthetic route is highly efficient (13 steps), featuring (1) a pivotal metal-catalyzed isomerization/rearrangement process that forges the central core of the molecule and (2) two facile C-N bond-forming steps that establish the flanking heterocycles.
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Affiliation(s)
- Eric T Newcomb
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Phil C Knutson
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Blaine A Pedersen
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Eric M Ferreira
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
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35
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Pavlovska TL, Redkin RG, Lipson VV, Atamanuk DV. Molecular diversity of spirooxindoles. Synthesis and biological activity. Mol Divers 2015; 20:299-344. [PMID: 26419598 DOI: 10.1007/s11030-015-9629-8] [Citation(s) in RCA: 241] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 07/29/2015] [Indexed: 11/30/2022]
Abstract
Spirooxindoles are important synthetic targets possessing extended biological activity and drug discovery applications. This review focuses on the various strategies for the enantioselective synthesis of spirocyclic oxindoles relying on reports over the past decade and from earlier work. The spirooxindoles in this review are separated into three structural classes, and then further categorized into the method type from which the spirocycle is generated.
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Affiliation(s)
- Tetyana L Pavlovska
- State Scientific Institution, "Institute for Single Crystals" of National Academy of Sciences of Ukraine, Lenina Pr., 60, Kharkov, 61002, Ukraine.
| | - Ruslan Gr Redkin
- National University of Pharmacy, Pushkinska Str., 53, Kharkov, 61002, Ukraine.
| | - Victoria V Lipson
- State Scientific Institution, "Institute for Single Crystals" of National Academy of Sciences of Ukraine, Lenina Pr., 60, Kharkov, 61002, Ukraine. .,State Institution "V.Ya. Danilevsky Institute of Endocrine Pathology Problems", Academy of Medical Sciences of Ukraine, Artema Str., 10, Kharkov, 61002, Ukraine.
| | - Dmytro V Atamanuk
- Dmytro Atamanyuk Mutabilis, 102 Av. Gaston Roussel, Romainville, 93230, France.
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Zhang W, Huang XJ, Zhang SY, Zhang DM, Jiang RW, Hu JY, Zhang XQ, Wang L, Ye WC. Geleganidines A-C, Unusual Monoterpenoid Indole Alkaloids from Gelsemium elegans. JOURNAL OF NATURAL PRODUCTS 2015; 78:2036-2044. [PMID: 26222693 DOI: 10.1021/acs.jnatprod.5b00351] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The first rotameric monoterpenoid indole alkaloids (MIAs), 1a and 1b, and two unusual dimeric MIAs, 2 and 3, with new dimerization patterns, together with their putative biosynthetic intermediates 4-7, were isolated from the roots of Gelsemium elegans. Compounds 2 and 3 represent the first natural aromatic azo- and the first urea-linked dimeric MIAs, respectively. Their structures and absolute configurations were elucidated by means of NMR spectroscopy, single-crystal X-ray diffraction, and electronic circular dichroism data analyses. The interconverting mechanism of rotamers 1a and 1b was studied by density functional theory computation. Compounds 2 and 3 showed moderate cytotoxic activity against MCF-7 and PC-12 cells, respectively. In addition, a plausible biosynthesis pathway for the new alkaloids was proposed on the basis of the coexistence of their biosynthetic precursors.
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Affiliation(s)
- Wei Zhang
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, PR China
- Department of Natural Medicinal Chemistry, China Pharmaceutical University , Nanjing 210009, PR China
| | - Xiao-Jun Huang
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, PR China
| | - Sheng-Yuan Zhang
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, PR China
| | - Dong-Mei Zhang
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, PR China
| | - Ren-Wang Jiang
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, PR China
| | - Jian-Yang Hu
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, PR China
| | - Xiao-Qi Zhang
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, PR China
| | - Lei Wang
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, PR China
| | - Wen-Cai Ye
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, PR China
- Department of Natural Medicinal Chemistry, China Pharmaceutical University , Nanjing 210009, PR China
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Preparative Separation of Four Alkaloids from Gelsemium elegans by High-speed Counter-current Chromatography. CHINESE HERBAL MEDICINES 2015. [DOI: 10.1016/s1674-6384(15)60049-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Martins D, Nunez CV. Secondary metabolites from Rubiaceae species. Molecules 2015; 20:13422-95. [PMID: 26205062 PMCID: PMC6331836 DOI: 10.3390/molecules200713422] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2015] [Revised: 07/11/2015] [Accepted: 07/13/2015] [Indexed: 11/16/2022] Open
Abstract
This study describes some characteristics of the Rubiaceae family pertaining to the occurrence and distribution of secondary metabolites in the main genera of this family. It reports the review of phytochemical studies addressing all species of Rubiaceae, published between 1990 and 2014. Iridoids, anthraquinones, triterpenes, indole alkaloids as well as other varying alkaloid subclasses, have shown to be the most common. These compounds have been mostly isolated from the genera Uncaria, Psychotria, Hedyotis, Ophiorrhiza and Morinda. The occurrence and distribution of iridoids, alkaloids and anthraquinones point out their chemotaxonomic correlation among tribes and subfamilies. From an evolutionary point of view, Rubioideae is the most ancient subfamily, followed by Ixoroideae and finally Cinchonoideae. The chemical biosynthetic pathway, which is not so specific in Rubioideae, can explain this and large amounts of both iridoids and indole alkaloids are produced. In Ixoroideae, the most active biosysthetic pathway is the one that produces iridoids; while in Cinchonoideae, it produces indole alkaloids together with other alkaloids. The chemical biosynthetic pathway now supports this botanical conclusion.
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Affiliation(s)
- Daiane Martins
- Bioprospection and Biotechnology Laboratory, Technology and Innovation Coordenation, National Research Institute of Amazonia, Av. André Araújo, 2936, Petrópolis, Manaus, AM 69067-375, Brazil
| | - Cecilia Veronica Nunez
- Bioprospection and Biotechnology Laboratory, Technology and Innovation Coordenation, National Research Institute of Amazonia, Av. André Araújo, 2936, Petrópolis, Manaus, AM 69067-375, Brazil.
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40
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Fonseca GO, Wang ZJ, Namjoshi OA, Deschamps JR, Cook JM. First stereospecific total synthesis of (−)-affinisine oxindole as well as facile entry into the C(7)-diastereomeric chitosenine stereochemistry. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2014.11.036] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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41
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Zhang JY, Wang YX. Gelsemium analgesia and the spinal glycine receptor/allopregnanolone pathway. Fitoterapia 2014; 100:35-43. [PMID: 25447163 DOI: 10.1016/j.fitote.2014.11.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Revised: 10/30/2014] [Accepted: 11/01/2014] [Indexed: 12/21/2022]
Abstract
Gelsemium, a small genus of flowering plant from the family Loganiaceae, comprises five species including the popular Gelsemium sempervirens Ait. and Gelsemium elegans Benth., which are indigenous to North America and China/East Asia, respectively. Approximately 120 alkaloids have been isolated and identified from Gelsemium, with the predominant indole alkaloids including gelsemine, koumine, gelsemicine, gelsenicine, gelsedine, sempervirine, koumidine, koumicine and humantenine. Gelsemine is the principal active alkaloid in G. sempervirens Ait., and koumine and gelsemine are the most and second-most dominant alkaloids in G. elegans Benth. Gelsemium extract and its active alkaloids serve a variety of biological functions, including neurobiological, immunosuppressive and antitumor effects, and have traditionally been used to treat pain, neuralgia, anxiety, insomnia, asthma, respiratory ailments and cancers. This review focuses on animal-based studies of Gelsemium as a pain treatment and its mechanism of action. In contrast to morphine, when administered intrathecally and systemically, koumine, gelsemine and gelsenicine have marked antinociception in inflammatory, neuropathic and bone cancer pains without inducing antinociceptive tolerance. Gelsemium and its active alkaloids may produce antinociception by activating the spinal α3 glycine/allopregnanolone pathway. The results of this review support the clinical use of Gelsemium and suggest that its active alkaloids may be developed to treat intractable and other types of pain, preferably after chemical modification. However, Gelsemium is a known toxic plant, and its toxicity limits its appropriate dosage and clinical use. To avoid or decrease the side/toxic effects of Gelsemium, an individual monomer of highly potent alkaloids must be selected, or alkaloids that exhibit greater α3 glycine receptor selectivity may be discovered or modified.
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Affiliation(s)
- Jing-Yang Zhang
- King's Lab, Shanghai Jiao Tong University School of Pharmacy, No 6 Biomedicine Building, 800 Dongchuan Road, Shanghai 200240, China
| | - Yong-Xiang Wang
- King's Lab, Shanghai Jiao Tong University School of Pharmacy, No 6 Biomedicine Building, 800 Dongchuan Road, Shanghai 200240, China.
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Qu J, Fang L, Ren XD, Liu Y, Yu SS, Li L, Bao XQ, Zhang D, Li Y, Ma SG. Bisindole alkaloids with neural anti-inflammatory activity from Gelsemium elegans. JOURNAL OF NATURAL PRODUCTS 2013; 76:2203-2209. [PMID: 24256496 DOI: 10.1021/np4005536] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Three new trace bisindole alkaloids geleganimines A and B (1, 2) and geleganamide (3) were isolated from the aerial parts of Gelsemium elegans. Their structures were elucidated by spectroscopy, particularly from their carbon-proton coupling constants, and electronic circular dichroism. Compounds 1-3 are the first bisindole alkaloids discovered from the genus Gelsemium. Geleganimine B exhibited anti-inflammatory activity indirectly by suppressing lipopolysaccharide-induced pro-inflammatory factors in BV2 microglial cells with an IC50 value of 10.2 μM. These findings confirm the importance of bioactive trace components in medicinal plant research.
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Affiliation(s)
- Jing Qu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
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Kitajima M, Ohara S, Kogure N, Santiarworn D, Takayama H. β-Carboline-type indole alkaloid glycosides from Ophiorrhiza trichocarpon. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.08.070] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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45
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Zhang Z, Zhang Y, Wang YH, Zhang Q, Yan XH, Di YT, He HP, Hao XJ. Three novel β-carboline alkaloids from Gelsemium elegans. Fitoterapia 2012; 83:704-8. [DOI: 10.1016/j.fitote.2012.02.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Revised: 02/19/2012] [Accepted: 02/20/2012] [Indexed: 11/26/2022]
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46
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Zhang QP, Zhang BF, Chou GX, Wang ZT. Two New Megastigmane Glycosides and a New Iridoid Glycoside from Gelsemium elegans. Helv Chim Acta 2011. [DOI: 10.1002/hlca.201000399] [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]
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47
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Zhang BF, Zhang QP, Liu H, Chou GX, Wang ZT. Iridoids from leaves of Gelsemium elegans. PHYTOCHEMISTRY 2011; 72:916-922. [PMID: 21497867 DOI: 10.1016/j.phytochem.2011.03.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2010] [Revised: 10/27/2010] [Accepted: 03/23/2011] [Indexed: 05/30/2023]
Abstract
Six iridoids, geleganoids, designated A-F, and five iridoid glycosides, geleganosides A and B together with three previously reported compounds, were isolated from leaves of Gelsemium elegans. Their structures were elucidated by spectroscopic and chemical analyses. The relative configuration of geleganoid A was confirmed by X-ray crystallographic diffraction analysis, and the absolute configuration of geleganoid B was determined by a modified Mosher's method. Selected compounds were evaluated for PC12 cell neurite outgrowth activity, but they were inactive.
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Affiliation(s)
- Bin-Feng Zhang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Cai Lun Road 1200, Zhangjiang, Shanghai 201210, China; Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai 201210, China
| | - Qiu-Ping Zhang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Cai Lun Road 1200, Zhangjiang, Shanghai 201210, China; Department of Pharmacognosy, China Pharmaceutical University, Nanjing 210038, China
| | - Hai Liu
- The MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Cai Lun Road 1200, Zhangjiang, Shanghai 201210, China; Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai 201210, China
| | - Gui-Xin Chou
- The MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Cai Lun Road 1200, Zhangjiang, Shanghai 201210, China; Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai 201210, China
| | - Zheng-Tao Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Cai Lun Road 1200, Zhangjiang, Shanghai 201210, China; Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai 201210, China
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Yamada Y, Kitajima M, Kogure N, Wongseripipatana S, Takayama H. Seven New Monoterpenoid Indole Alkaloids from Gelsemium elegans. Chem Asian J 2010; 6:166-73. [DOI: 10.1002/asia.201000538] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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49
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Wu Y, Kitajima M, Kogure N, Wang Y, Zhang R, Takayama H. Two new aspidosperma indole alkaloids from Yunnan Kopsia arborea. Chem Pharm Bull (Tokyo) 2010; 58:961-3. [PMID: 20606347 DOI: 10.1248/cpb.58.961] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Two new indole alkaloids, kopsiyunnanines G (1) and H (2), possessing the Aspidosperma skeleton were isolated from the aerial part of Yunnan Kopsia arborea BLUME (Apocynaceae). Their structures and stereochemistry were elucidated by means of MS and 2D NMR analyses.
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Affiliation(s)
- Yuqiu Wu
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
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Baldé ES, Megalizzi V, Traoré MS, Cos P, Maes L, Decaestecker C, Pieters L, Baldé AM. In vitro antiprotozoal, antimicrobial and antitumor activity of Pavetta crassipes K. Schum leaf extracts. JOURNAL OF ETHNOPHARMACOLOGY 2010; 130:529-535. [PMID: 20561931 DOI: 10.1016/j.jep.2010.05.042] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2010] [Accepted: 05/25/2010] [Indexed: 05/29/2023]
Abstract
AIM OF THE STUDY To study the potential benefit of the traditional medicinal plant Pavetta crassipes K. Schum (Rubiaceae), which is widely distributed throughout West Africa, the methanol and dichloromethane extracts were isolated from the plant leaves to determine if they exhibited antiprotozoal, antibacterial, antifungal or antitumor activity in vitro. MATERIALS AND METHODS The methanol and dichloromethane extracts and their specific fractions were obtained using bioassay-guided fractionation and investigated for antiproliferative activity in vitro in microorganisms (Staphylococcus aureus, Escherichia coli and Candida albicans), protozoans (Trypanosoma cruzi, Trypanosoma brucei, Leishmania infantum and Plasmodium falciparum), and cancer (U373, PC3, MXT and A549) and normal cell lines (NHDF and MRC-5). RESULTS Most of the alkaloid fractions investigated exhibited antiproliferative activity in all the cancer cell lines, microorganisms and protozoans studied. CONCLUSIONS The benefit of Pavetta crassipes as a traditional medicinal remedy was confirmed using antiprotozoal and cytotoxicity assays in vitro. These analyses revealed that the components present in the alkaloid extract of Pavetta crassipes are responsible for its antiprotozoal and cytotoxic efficacy.
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Affiliation(s)
- Elhadj S Baldé
- Département de Pharmacie, Faculté de Médecine, Pharmacie et Odontostomatologie, Université de Conakry, Conakry, Guinea
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