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Wang JW, Liu DY, Zhang HZ, Tan Z, Zheng CJ, Chen GY, Nong XH. Drimane-type sesquiterpenoids and their anti-inflammatory evaluation from Pyrrhoderma noxium HNNU0524. Nat Prod Res 2024; 38:1711-1718. [PMID: 37259794 DOI: 10.1080/14786419.2023.2218008] [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: 12/21/2022] [Accepted: 05/18/2023] [Indexed: 06/02/2023]
Abstract
Chemical investigation of a culture broth from the marine-derived fungus Pyrrhoderma noxium HNNU0524 yielded two new compounds including a drimane-type sesquiterpenoid named pyrrnoxin A (1) and a benzoic acid derivative, pyrrnoxin B (5), together with three related known analogues (2-4). The chemical structures of 1 and 5 were determined by detailed analysis of spectroscopic data, single-crystal X-ray crystallography, quantum mechanics-based DP4+ and ECD calculations. Compounds 2 and 3 moderately inhibited NO production of lipopolysaccharide-induced microglia cells BV2 with IC50 values of 26.6 and 60.5 µM, respectively.
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Affiliation(s)
- Jing-Wen Wang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, China
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, China
| | - Dong-Yun Liu
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, China
| | - Hou-Ze Zhang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, China
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, China
| | - Zhen Tan
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, China
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, China
| | - Cai-Juan Zheng
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, China
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, China
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, China
| | - Xu-Hua Nong
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou, China
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, China
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2
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Guo C, Geng HJ, Wang WJ, Liu YX, Deng L, Tian JM, Gao JM, Tang JJ. Dimerized sesquiterpenoid [4 + 2] adducts with ferroptosis-promoting activity from Inula britannica Linn. PHYTOCHEMISTRY 2024; 218:113951. [PMID: 38096962 DOI: 10.1016/j.phytochem.2023.113951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/29/2023] [Accepted: 12/08/2023] [Indexed: 12/17/2023]
Abstract
Inubritanolides C and D (1 and 2), two exo sesquiterpenoid [4 + 2] adducts with unprecedented interconverting conformations of twist-chair and chair, together with two previously undescribed endo [4 + 2] dimers (3 and 4) were discovered from Inula britannica flowers. Dimers 1 and 2 have an undescribed carbon skeleton comprising of eudesmanolide and guaianolide units with the linkage mode of C-11/C-1' and C-13/C-3' via a Diels-Alder cycloaddition reaction. Their structures were elucidated using 1D/2D NMR, X-ray diffraction, ECD, and variable-temperature NMR experiments. Dimer 2 displayed a strong inhibitory effect on breast cancer cells by promoting lipid ROS production, showing its potential as ferroptosis inducer.
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Affiliation(s)
- Cong Guo
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Hui-Jun Geng
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Wen-Ji Wang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Yan-Xiang Liu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Lu Deng
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jun-Mian Tian
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China.
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Jiang-Jiang Tang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China.
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3
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Fukuyama Y, Kubo M, Harada K. Neurotrophic Natural Products. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2024; 123:1-473. [PMID: 38340248 DOI: 10.1007/978-3-031-42422-9_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Neurotrophins (NGF, BDNF, NT3, NT4) can decrease cell death, induce differentiation, as well as sustain the structure and function of neurons, which make them promising therapeutic agents for the treatment of neurodegenerative disorders. However, neurotrophins have not been very effective in clinical trials mostly because they cannot pass through the blood-brain barrier owing to being high-molecular-weight proteins. Thus, neurotrophin-mimic small molecules, which stimulate the synthesis of endogenous neurotrophins or enhance neurotrophic actions, may serve as promising alternatives to neurotrophins. Small-molecular-weight natural products, which have been used in dietary functional foods or in traditional medicines over the course of human history, have a great potential for the development of new therapeutic agents against neurodegenerative diseases such as Alzheimer's disease. In this contribution, a variety of natural products possessing neurotrophic properties such as neurogenesis, neurite outgrowth promotion (neuritogenesis), and neuroprotection are described, and a focus is made on the chemistry and biology of several neurotrophic natural products.
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Affiliation(s)
- Yoshiyasu Fukuyama
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan.
| | - Miwa Kubo
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
| | - Kenichi Harada
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
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4
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Sum W, Ebada SS, Kirchenwitz M, Wanga L, Decock C, Stradal TEB, Matasyoh JC, Mándi A, Kurtán T, Stadler M. Neurite Outgrowth-Inducing Drimane-Type Sesquiterpenoids Isolated from Cultures of the Polypore Abundisporus violaceus MUCL 56355. JOURNAL OF NATURAL PRODUCTS 2023; 86:2457-2467. [PMID: 37910033 PMCID: PMC10683085 DOI: 10.1021/acs.jnatprod.3c00525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Indexed: 11/03/2023]
Abstract
Abundisporin A (1), together with seven previously undescribed drimane sesquiterpenes named abundisporins B-H (2-8), were isolated from a polypore, Abundisporus violaceus MUCL 56355 (Polyporaceae), collected in Kenya. Chemical structures of the isolated compounds were elucidated based on exhaustive 1D and 2D NMR spectroscopic measurements and supported by HRESIMS data. The absolute configurations of the isolated compounds were determined by using Mosher's method for 1-4 and TDDFT-ECD calculations for 4 and 5-8. None of the isolated compounds exhibited significant activities in either antimicrobial or cytotoxicity assays. Notably, all of the tested compounds demonstrated neurotrophic effects, with 1 and 6 significantly increasing outgrowth of neurites when treated with 5 ng/mL NGF.
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Affiliation(s)
- Winnie
Chemutai Sum
- Department
of Microbial Drugs, Helmholtz Centre for
Infection Research GmbH (HZI), Inhoffenstraße 7, 38124 Braunschweig, Germany
- Institute
of Microbiology, Technische Universität
Braunschweig, Spielmannstraße
7, 38106 Braunschweig, Germany
| | - Sherif S. Ebada
- Department
of Microbial Drugs, Helmholtz Centre for
Infection Research GmbH (HZI), Inhoffenstraße 7, 38124 Braunschweig, Germany
- Department
of Pharmacognosy, Faculty of Pharmacy, Ain
Shams University, 11566 Cairo, Egypt
| | - Marco Kirchenwitz
- Department
of Cell Biology, Helmholtz Centre for Infection
Research, Inhoffenstrasse
7, 38124 Braunschweig, Germany
| | - Lucy Wanga
- Department
of Biochemistry, Egerton University, P.O. Box 536, 20115, Njoro, Kenya
| | - Cony Decock
- Mycothéque
de l’ Universite Catholique de Louvain (BCCM/MUCL), Place Croix du Sud 3, B-1348 Louvain-la-Neuve, Belgium
| | - Theresia E. B. Stradal
- Department
of Cell Biology, Helmholtz Centre for Infection
Research, Inhoffenstrasse
7, 38124 Braunschweig, Germany
| | | | - Attila Mándi
- Department
of Organic Chemistry, University of Debrecen, P.O. Box 400, 4002 Debrecen, Hungary
| | - Tibor Kurtán
- Department
of Organic Chemistry, University of Debrecen, P.O. Box 400, 4002 Debrecen, Hungary
| | - Marc Stadler
- Department
of Microbial Drugs, Helmholtz Centre for
Infection Research GmbH (HZI), Inhoffenstraße 7, 38124 Braunschweig, Germany
- Institute
of Microbiology, Technische Universität
Braunschweig, Spielmannstraße
7, 38106 Braunschweig, Germany
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5
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Mitschke N, Chemutai Sum W, Hassan K, Kirchenwitz M, Schrey H, Gerhards L, Kellner H, Stradal TEB, Matasyoh JC, Stadler M. Biologically active drimane derivatives isolated from submerged cultures of the wood-inhabiting basidiomycete Dentipellis fragilis. RSC Adv 2023; 13:25752-25761. [PMID: 37664205 PMCID: PMC10468952 DOI: 10.1039/d3ra04204a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023] Open
Abstract
Four previously undescribed drimane sesquiterpenoids were isolated from submerged cultures of the wood-inhabiting basidiomycete Dentipellis fragilis along with two compounds that were previously reported as synthetic or biotransformation compounds but not as natural products. The constitution and relative configuration of these compounds was determined based on high-resolution electrospray ionization mass spectrometry as well as by 1D and 2D nuclear magnetic resonance spectroscopy. The absolute configurations were established based on exemplary calculation of circular dichroism spectra and comparison with measured data as well as on biogenetic considerations. The biological activities of the isolated compounds were assessed in antimicrobial, cytotoxicity and neurotrophic assays. 10-Methoxycarbonyl-10-norisodrimenin (3) exhibited weak activity against the Gram-positive bacterium Staphylococcus aureus and the zygomycete Mucor hiemalis with minimal inhibitory concentrations of 66.7 μg mL-1. In addition, compound 3 showed weak inhibition of the mammalian cell line KB3.1 (human endocervical adenocarcinoma) with a half maximal inhibitory concentration of 21.2 μM. The neurotrophic activities of 15-hydroxyisodrimenin (1) and 10-carboxy-10-norisodrimenin (5) were assed in neurite outgrowth and real-time quantitative reverse transcription polymerase chain reaction (RT-qPCR) assays. When supplemented with 5 ng mL-1 nerve growth factor (NGF), the drimanes 1 and 5 induced neurite outgrowth in PC-12 (rat pheochromocytoma) cells compared to cells solely treated with NGF. As evaluated by RT-qPCR, compounds 1 and 5 also increased NGF and brain-derived neurotrophic factor expression levels in 1321N1 astrocytoma cells. Interestingly, the current study only represents the second report on neurotrophic activities of this widespread class of terpenoids. The only other available study deals with Cyathus africanus, another basidiomycete that can produce drimanes and cyathanes, but is only distantly related to Dentipellis and the Hericiaceae.
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Affiliation(s)
- Nico Mitschke
- Department of Microbial Drugs, Helmholtz Centre for Infection Research GmbH Inhoffenstrasse 7 38124 Braunschweig Germany
| | - Winnie Chemutai Sum
- Department of Microbial Drugs, Helmholtz Centre for Infection Research GmbH Inhoffenstrasse 7 38124 Braunschweig Germany
- Institute of Microbiology, Technische Universität Braunschweig Spielmannstraße 7 38106 Braunschweig Germany
| | - Khadija Hassan
- Department of Microbial Drugs, Helmholtz Centre for Infection Research GmbH Inhoffenstrasse 7 38124 Braunschweig Germany
- Institute of Microbiology, Technische Universität Braunschweig Spielmannstraße 7 38106 Braunschweig Germany
| | - Marco Kirchenwitz
- Institute of Microbiology, Technische Universität Braunschweig Spielmannstraße 7 38106 Braunschweig Germany
| | - Hedda Schrey
- Department of Microbial Drugs, Helmholtz Centre for Infection Research GmbH Inhoffenstrasse 7 38124 Braunschweig Germany
| | - Luca Gerhards
- Department of Physics, Carl von Ossietzky Universität Oldenburg Carl-von-Ossietzky-Str. 9-11 26129 Oldenburg Germany
| | - Harald Kellner
- Department of Bio- and Environmental Sciences, Technische Universität Dresden - International Institute Zittau Markt 23 02763 Zittau Germany
| | - Theresia E B Stradal
- Department of Cell Biology, Helmholtz Centre for Infection Research Inhoffenstrasse 7 38124 Braunschweig Germany
| | - Josphat C Matasyoh
- Department of Chemistry, Egerton University P.O. Box 536 20115 Njoro Kenya
| | - Marc Stadler
- Department of Microbial Drugs, Helmholtz Centre for Infection Research GmbH Inhoffenstrasse 7 38124 Braunschweig Germany
- Institute of Microbiology, Technische Universität Braunschweig Spielmannstraße 7 38106 Braunschweig Germany
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Hou X, Gao Y, Yang J, Liu H, Bai M, Wu Z, Li C, Tian J, Gao J. Phytoecdysteroids from Dianthus superbus L.: Structures and anti-neuroinflammatory evaluation. PHYTOCHEMISTRY 2023; 212:113710. [PMID: 37178942 DOI: 10.1016/j.phytochem.2023.113710] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 05/03/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023]
Abstract
Six undescribed C27-phytoecdysteroid derivatives, named superecdysones A-F, and ten known analogs were extracted from the whole plant of Dianthus superbus L. Their structures were identified by extensive spectroscopy, mass spectrometric methods, chemical transformations, chiral HPLC analysis, and the single-crystal X-ray diffraction analysis. Superecdysone A and B possess a tetrahydrofuran ring in the side chain and superecdysone C-E are rare phytoecdysones containing a (R)-lactic acid moiety, whereas superecdysone F is an uncommon B-ring-modified ecdysone. Notably, based on the variable temperature (from 333 K to 253 K) NMR experiments of superecdysone C, the missing carbon signals were visible at 253 K and assigned. The neuroinflammatory bioassay of all compounds were evaluated, and 22-acetyl-2-deoxyecdysone, 2-deoxy-20-hydroxyecdysone, 20-hydroxyecdysone, ecdysterone-22-O-benzoate, 20-hydroxyecdysone-20,22-O-R-ethylidene, and acetonide derivative 20-hydroxyecdysterone-20, 22-acetonide significantly suppressed the LPS-induced nitric oxide generation in microglia cells (BV-2), with IC50 values ranging from 6.9 to 23.0 μM. Structure-activity relationships were also discussed. Molecular docking simulations of the active compounds confirmed the possible mechanism of action against neuroinflammations. Furthermore, none compounds showed cytotoxicity against HepG2 and MCF-7. It is the first report about the occurrence and anti-neuroinflammatory activity of the phytoecdysteroids in the genus Dianthus. Our findings demonstrated that ecdysteroids may be used as potential anti-inflammatory drugs.
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Affiliation(s)
- Xueli Hou
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Yuqi Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Jinghui Yang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Hanwu Liu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Mengmeng Bai
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Zhenhai Wu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Chunhuan Li
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Junmian Tian
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China.
| | - Jinming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China.
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7
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Qi J, Gao YQ, Kang SJ, Liu C, Gao JM. Secondary Metabolites of Bird's Nest Fungi: Chemical Structures and Biological Activities. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:6513-6524. [PMID: 37071706 DOI: 10.1021/acs.jafc.3c00904] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Bird's nest fungi, a general term for species in the family Nidulariaceae, are named for their fruiting bodies that resemble bird's nests. Two of their members, Cyathus stercoreus (Schw.) de Toni. and Cyathus striatus Will. ex Pers., are known as medicinal fungi in Chinese medicine. Bird's nest fungi produce a variety of secondary metabolites that provide natural materials for screening and developing medicinal compounds. This review presents a systematic summary of the literature on the secondary metabolites of bird's nest fungi up to January 2023, including 185 compounds, mainly cyathane diterpenoids, with prominently characterized antimicrobial and antineurodegenerative activities. Our work aims to advance our understanding of bird's nest fungi and support studies on their natural product chemistry, pharmacology, and biosynthesis of secondary metabolites.
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Affiliation(s)
- Jianzhao Qi
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
| | - Yu-Qi Gao
- College of Food Science and Technology, Northwest University, Xi'an 710069, Shaanxi, People's Republic of China
| | - Shi-Jie Kang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
| | - Chengwei Liu
- Key Laboratory for Enzyme and Enzyme-like Material Engineering of Heilongjiang, College of Life Science, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
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8
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Ki DW, Yun BS. A new antibiotic from the culture broth of Dentipellis fragilis. J Antibiot (Tokyo) 2023; 76:351-354. [PMID: 37012405 DOI: 10.1038/s41429-023-00616-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/18/2023] [Accepted: 03/20/2023] [Indexed: 04/05/2023]
Abstract
During the search for natural antibiotics from fungal metabolites, a new cyathane diterpenoid, fragilicine A (1), and three known cyathane diterpenoids, erinacines I, A, and B (2-4) were isolated from the culture broth of Dentipellis fragilis. Chemical structures of 1-4 were determined by analyses of 1D- and 2D-NMR and MS data and by comparisons with data of those reported in the literature. These isolated compounds were assessed for their antimicrobial activities against Bacillus subtilis, B. atrophaeus, B. cereus, Listeria monocytogenes, Fusarium oxysporum, Diaporthe sp., and Rhizoctonia solani. These compounds showed weak antimicrobial activities.
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Affiliation(s)
- Dae-Won Ki
- Division of Biotechnology and Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, Korea.
| | - Bong-Sik Yun
- Division of Biotechnology and Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, Korea.
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9
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DU W, YANG Q, XU H, DONG L. Drimane-type sesquiterpenoids from fungi. Chin J Nat Med 2022; 20:737-748. [DOI: 10.1016/s1875-5364(22)60190-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Indexed: 11/03/2022]
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10
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Huang Y, Valiante V. Chemical Diversity and Biosynthesis of Drimane-Type Sesquiterpenes in the Fungal Kingdom. Chembiochem 2022; 23:e202200173. [PMID: 35574818 PMCID: PMC9546479 DOI: 10.1002/cbic.202200173] [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: 03/29/2022] [Revised: 05/09/2022] [Indexed: 11/05/2022]
Abstract
Drimane-type sesquiterpenes are a class of compounds produced by a wide range of organisms, initially isolated and characterized in plants. Meanwhile, in the past 20-30 years, a large number of novel structures from many divergent fungi have been elucidated. Recently, the biosynthesis of drimane-type sesquiter-penes and their esters has been explained in two filamentous fungi, namely Aspergillus oryzae and Aspergillus calidoustus, disclosing the basic biosynthetic principles needed to identify similar pathways in the fungal kingdom.
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Affiliation(s)
- Ying Huang
- Leibniz Institute for Natural Product Research and Infection BiologyHans Knöll Institute: Leibniz-Institut fur Naturstoff-Forschung und Infektionsbiologie eV Hans-Knoll-Institut, Biobricks of Microbial Natural Product Syntheses, GERMANY
| | - Vito Valiante
- Leibniz-Institut für Naturstoff-Forschung und Infektionsbiologie eV Hans-Knöll-Institut, Biobricks of Microbial Natural Product Syntheses, Adolf-Reichwein-Str. 23, 07745, Jena, GERMANY
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11
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Kou RW, Gao YQ, Xia B, Wang JY, Liu XN, Tang JJ, Yin X, Gao JM. Ganoderterpene A, a New Triterpenoid from Ganoderma lucidum, Attenuates LPS-Induced Inflammation and Apoptosis via Suppressing MAPK and TLR-4/NF-κB Pathways in BV-2 Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:12730-12740. [PMID: 34666484 DOI: 10.1021/acs.jafc.1c04905] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
An investigation of the fruiting bodies of edible mushroom Ganoderma lucidum produced 13 steroids, containing one new lanostane-type triterpene compound, named ganoderterpene A (1). Nuclear magnetic resonance and high-resolution electrospray ionization mass spectrometry data were used to deduce these structures. All the isolates were evaluated for their ability to suppress NO generation in BV-2 microglial cells treated with lipopolysaccharide (LPS) and exhibited moderate to strong inhibition effects, with IC50 values in the range 7.15-36.88 μM. Among the tested compounds, compound 1 exhibited the most marked activity with an IC50 value of 7.15 μM, and the structure-activity relationships were studied. This study showed that compound 1 significantly suppressed the activation of MAPK and TLR-4/NF-κB signaling pathways, as evidenced by an immunofluorescence assay and a molecular docking experiment. Furthermore, compound 1 effectively improved the LPS-induced mitochondrial membrane potential and apoptosis. These findings suggest that ganoderterpene A could exert protective effects in microglial cells from apoptosis by restraining the inflammatory response. Hence, G. lucidum could be used as a novel preventative agent for neurodegenerative disorders.
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Affiliation(s)
- Rong-Wei Kou
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100 Shaanxi, People's Republic of China
| | - Yu-Qi Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100 Shaanxi, People's Republic of China
| | - Bing Xia
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100 Shaanxi, People's Republic of China
| | - Jia-Yun Wang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100 Shaanxi, People's Republic of China
| | - Xiao-Ning Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100 Shaanxi, People's Republic of China
| | - Jiang-Jiang Tang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100 Shaanxi, People's Republic of China
| | - Xia Yin
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100 Shaanxi, People's Republic of China
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100 Shaanxi, People's Republic of China
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12
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Tang JJ, Guo C, Peng XN, Guo XC, Zhang Q, Tian JM, Gao JM. Chemical characterization and multifunctional neuroprotective effects of sesquiterpenoid-enriched Inula britannica flowers extract. Bioorg Chem 2021; 116:105389. [PMID: 34601295 DOI: 10.1016/j.bioorg.2021.105389] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/24/2021] [Accepted: 09/25/2021] [Indexed: 01/05/2023]
Abstract
Dried flowers of Inula britannica commercially serve as pharmaceutical/nutraceutical herbs in the manufacture of medicinal products and functional tea that has been reported to possess extensive biological property. However, the neuroprotective constituents in I. britannica flowers are not known. In the current study, phytochemicals of sesquiterpenoid-enriched I. britannica flowers extract and their potential multifunctional neuroprotective effects were investigated. Nineteen structurally diverse sesquiterpenoids, including two new sesquiterpenoid dimers, namely, inubritanolides A and B (1, 2), and four new sesquiterpenoid monomers (3-6), namely, 1-O-acetyl-6-O-chloracetylbritannilactone (3), 6-methoxybritannilactone (4), 1-hydroxy-10β-methoxy-4αH-1,10-secoeudesma-5(6),11(13)-dien-12,8β-olide (5) and 1-hydroxy-4αH-1,10-secoeudesma-5(6),10(14),11(13)-trien-12,8β-olide (6), as well as 13 known congeners (7-19) were isolated from this source. The structures of compounds 1-6 were elucidated by 1D- and 2D- NMR and HR-ESI-MS data, and their absolute configurations were discerned by electronic circular dichroism (ECD) data analysis and single crystal X-ray diffraction. Interestingly, inubritannolide A (1) is a new type [4 + 2] Diels-Alder dimer featuring a hepta-membered cycloether skeleton. Most of the compounds showed potential multifunctional neuroprotective effects, including antioxidative, anti-neuroinflammatory, and microglial polarization properties. Specifically, 1 and 6 displayed slight strong neuroprotective potency against different types of neuronal cells mediated by various inducers including H2O2, 6-hydroxydopamine (6-OHDA), and lipopolysaccharide (LPS). Overall, this is the first report on multifunctional neuroprotective effects of sesquiterpenoid-enriched I. britannica flowers extract, which supports its potential pharmaceutical/nutraceutical application in neurodegenerative diseases.
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Affiliation(s)
- Jiang-Jiang Tang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling 712100, PR China.
| | - Cong Guo
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling 712100, PR China
| | - Xiao-Na Peng
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling 712100, PR China
| | - Xiao-Chen Guo
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling 712100, PR China
| | - Qiang Zhang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling 712100, PR China
| | - Jun-Mian Tian
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling 712100, PR China.
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling 712100, PR China.
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13
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Kou RW, Du ST, Xia B, Zhang Q, Yin X, Gao JM. Phenolic and Steroidal Metabolites from the Cultivated Edible Inonotus hispidus Mushroom and Their Bioactivities. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:668-675. [PMID: 33398984 DOI: 10.1021/acs.jafc.0c06822] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
A chemical study on the fruiting bodies of cultivated edible mushroom Inonotus hispidus resulted in 14 metabolites including three new hispolon congeners, named inonophenols A-B and one new lanostane triterpenoid, named inonoterpene A. These structures were identified by NMR, high-resolution electrospray ionization mass spectrometry (HRESIMS), and electronic circular dichroism (ECD) data analysis. All metabolites were assessed for neurotrophic, anti-inflammatory, and antioxidative activities. Among them, inonophenols B and C were the most active in promoting PC-12 cell neurite outgrowth at a concentration of 10 μM. The phenolic derivatives reduced NO generation by lipopolysaccharide (LPS)-induced BV-2 microglial cells by suppressing the expression of toll-like receptor-4 (TLR-4) and the nuclear factor-kappa-B (NF-κB) signaling pathway as well as the inflammatory mediators including inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2). Moreover, the phenolics showed antioxidant effects in DPPH scavenging assay with the IC50 values of 9.82-21.43 μM. These findings showed that I. hispidus may be a new source of neurotrophic and protective agents against neurodegenerative disorders.
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Affiliation(s)
- Rong-Wei Kou
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Xianyang 712100, Shaanxi, People's Republic of China
| | - Shuang-Tian Du
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Xianyang 712100, Shaanxi, People's Republic of China
| | - Bing Xia
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang 712100, Shaanxi, People's Republic of China
| | - Qiang Zhang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Xianyang 712100, Shaanxi, People's Republic of China
| | - Xia Yin
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Xianyang 712100, Shaanxi, People's Republic of China
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Xianyang 712100, Shaanxi, People's Republic of China
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14
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Noshita T, Fujita K, Koga T, Ouchi H, Tai A. Synthesis and biological activity of (±)-7,3',4'-trihydroxyhomoisoflavan and its analogs. Bioorg Med Chem Lett 2020; 31:127674. [PMID: 33161123 DOI: 10.1016/j.bmcl.2020.127674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/26/2020] [Accepted: 11/01/2020] [Indexed: 11/24/2022]
Abstract
Acetylcholinesterase (AChE) inhibitors and neurite outgrowth promoters are thought to alleviate the symptoms of degenerative brain disorders, such as Alzheimer's disease. We designed and synthesized a series of homoisoflavonoids based on the structure of natural homoisoflavan isolated from Dracaena cambodiana dragon's blood. The homoisoflavonoids were then evaluated as AChE inhibitors and neurite outgrowth promoters. The catechol structure of the homoisoflavan B rings was important for AChE inhibition, and some of the homoisoflavonoids significantly promoted neurite outgrowth induced by nerve growth factor (NGF).
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Affiliation(s)
- Toshiro Noshita
- Faculty of Life and Environmental Sciences, Prefectural University of Hiroshima, 5562 Nanatsuka, Shobara, Hiroshima 727-0023, Japan; Department of Pharmacy, Gifu University of Medical Science, 4-3-3 Nijigaoka, Kani, Gifu 509-0293, Japan.
| | - Kentaro Fujita
- Program in Biological System Sciences, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, 5562 Nanatsuka, Shobara, Hiroshima 727-0023, Japan
| | - Takeru Koga
- Program in Biological System Sciences, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, 5562 Nanatsuka, Shobara, Hiroshima 727-0023, Japan
| | - Hidekazu Ouchi
- Department of Pharmacy, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Akihiro Tai
- Faculty of Life and Environmental Sciences, Prefectural University of Hiroshima, 5562 Nanatsuka, Shobara, Hiroshima 727-0023, Japan; Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minami-Josanjima, Tokushima 770-8506, Japan
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15
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Yadav SK, Ir R, Jeewon R, Doble M, Hyde KD, Kaliappan I, Jeyaraman R, Reddi RN, Krishnan J, Li M, Durairajan SSK. A Mechanistic Review on Medicinal Mushrooms-Derived Bioactive Compounds: Potential Mycotherapy Candidates for Alleviating Neurological Disorders. PLANTA MEDICA 2020; 86:1161-1175. [PMID: 32663897 DOI: 10.1055/a-1177-4834] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
According to the World Health Organization, neurological and neurodegenerative diseases are highly debilitating and pose the greatest threats to public health. Diseases of the nervous system are caused by a particular pathological process that negatively affects the central and peripheral nervous systems. These diseases also lead to the loss of neuronal cell function, which causes alterations in the nervous system structure, resulting in the degeneration or death of nerve cells throughout the body. This causes problems with movement (ataxia) and mental dysfunction (dementia), both of which are commonly observed symptoms in Alzheimer's disease, Parkinson's disease, Huntington's disease, and multiple sclerosis. Medicinal mushrooms are higher fungi with nutraceutical properties and are low in calories and fat. They are also a rich source of nutrients and bioactive compounds such as carbohydrates, proteins, fibers, and vitamins that have been used in the treatment of many ailments. Medicinal mushrooms such as Pleurotus giganteus, Ganoderma lucidium, and Hericium erinaceus are commonly produced worldwide for use as health supplements and medicine. Medicinal mushrooms and their extracts have a large number of bioactive compounds, such as polysaccharide β-glucan, or polysaccharide-protein complexes, like lectins, lactones, terpenoids, alkaloids, antibiotics, and metal-chelating agents. This review will focus on the role of the medicinal properties of different medicinal mushrooms that contain bioactive compounds with a protective effect against neuronal dysfunction. This information will facilitate the development of drugs against neurodegenerative diseases.
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Affiliation(s)
- Sonu Kumar Yadav
- Division of Mycobiology and Neurodegenerative Disease Research, Department of Microbiology, School of Life Sciences, Central University of Tamil Nadu, Tiruvarur, India
| | - Reshma Ir
- Division of Mycobiology and Neurodegenerative Disease Research, Department of Microbiology, School of Life Sciences, Central University of Tamil Nadu, Tiruvarur, India
| | - Rajesh Jeewon
- Department of Health Sciences, Faculty of Science, University of Mauritius, Reduit, Mauritius
| | - Mukesh Doble
- Department of Biotechnology, Indian Institute of Technology Madras, Chennai, India
| | - Kevin D Hyde
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, Thailand
| | - Ilango Kaliappan
- Interdisciplinary Institute of Indian System of Medicine, SRM Institute of Science and Technology, Kattankulathur, India
| | - Ravindrian Jeyaraman
- Corrosion and Materials Protection Division, CSIR-Central Electrochemical Research Institute, Karaikudi, India
| | - Rambabu N Reddi
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, Israel
| | - Jayalakshmi Krishnan
- Department of Life Sciences, School of Life Sciences, Central University of Tamil Nadu, Tiruvarur, India
| | - Min Li
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson's Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Siva Sundara Kumar Durairajan
- Division of Mycobiology and Neurodegenerative Disease Research, Department of Microbiology, School of Life Sciences, Central University of Tamil Nadu, Tiruvarur, India
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16
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Dong MY, Zhang Y, Jiang HQ, Ren WJ, Xu LC, Zhang YQ, Liu YH. Benzofuran derivatives with nerve growth factor-potentiating activity from Phellinus ribis. Nat Prod Res 2020; 35:5145-5152. [PMID: 32608259 DOI: 10.1080/14786419.2020.1786827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Three new benzofuran derivatives, namely ribisin E (1) ribisin F (2) along with ribisin G (3) were isolated from the MeOH extract of the fruiting bodies of Phellinus ribis. Their structures were elucidated based on the NMR analysis. Furthermore, the absolute configuration of ribisin E (1) and ribisin G (3) were deduced by the CD calculations, and the absolute configuration of ribisin F (2) was determined by comparing its CD spectrum and specific rotation with the data of known analogues. All compounds (1-3) exhibited the activity of promoting neurite outgrowth in nerve growth factor (NGF)-ediated PC 12 cell at concentrations ranging from 1 to 30 μM.
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Affiliation(s)
- Mei-Yue Dong
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yan Zhang
- Department of Pharmacy, Qilu Hospital of Shandong University, Jinan, China
| | - Hai-Qiang Jiang
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Wen-Jing Ren
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Ling-Chuan Xu
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan, China.,Key Laboratory of Medicinal Fungi and Resource Development in Shandong Province, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yong-Qing Zhang
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yu-Hong Liu
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan, China
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17
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Bailly C, Gao JM. Erinacine A and related cyathane diterpenoids: Molecular diversity and mechanisms underlying their neuroprotection and anticancer activities. Pharmacol Res 2020; 159:104953. [PMID: 32485283 DOI: 10.1016/j.phrs.2020.104953] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/10/2020] [Accepted: 05/20/2020] [Indexed: 12/14/2022]
Abstract
The presence of a fused 5/6/7 tricyclic core characterizes the group of cyathane diterpene natural products, that include more than 170 compounds, isolated from fungi such as Cyathus africanus and Hericium erinaceus. These compounds have a common biosynthetic precursor (cyatha-3,12-diene) and can be produced bio- or hemi-synthetically, or via total syntheses. Cyathane diterpenes display a range of pharmacological properties, including anti-inflammatory (possibly through binding to the iNOS protein) and neuroprotective effects. Many cyathanes like cyahookerin C, cyathin Q and cyafranines B and G can stimulate neurite outgrowth in cells, whereas conversely a few molecules (such as scabronine M) inhibit NGF-stimulated neurite outgrowth. The main anticancer cyathanes are erinacine A and cyathins Q and R, with a capacity to trigger cancer cell death dependent on the production of reactive oxygen species (ROS). These compounds, active both in vitro and in vivo, activate different signaling pathways in tumor cells to induce apoptosis (and autophagy) and to upregulate the expression of several proteins implicated in the organization and functioning of the actin cytoskeleton. An analysis of the functional analogy between erinacine A and other natural products known to interfere with the actin network in a ROS-dependent manner (notably cucurbitacin B) further supports the idea that erinacine A functions as a perturbator of the cytoskeleton organization. Collectively, we provide an overview of the molecular diversity of cyathane diterpenes and the main mechanisms of action of the lead compounds, with the objective to encourage further research with these fungal products. The anticancer potential of erinacine A deserves further attention but it will be necessary to better characterize the implicated targets and signaling pathways.
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Affiliation(s)
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
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18
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Yin X, Qi J, Li Y, Bao Z, Du P, Kou R, Wang W, Gao JM. Terpenoids with neurotrophic and anti-neuroinflammatory activities from the cultures of the fungus Cyathus stercoreus. Nat Prod Res 2020; 35:4524-4533. [DOI: 10.1080/14786419.2020.1739043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Xia Yin
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China
| | - Jianzhao Qi
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China
| | - Yixiao Li
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China
| | - Ze’an Bao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China
| | - Peng Du
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China
| | - Rongwei Kou
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China
| | - Weiwei Wang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China
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19
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Wang Z, Ma C, Wang Y, Xiao Q, Xu C, Li Y. Structural optimization and neurotrophic activity evaluation of neurotrophic gentiside derivatives. Bioorg Med Chem Lett 2019; 29:126685. [PMID: 31607606 DOI: 10.1016/j.bmcl.2019.126685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 09/10/2019] [Accepted: 09/12/2019] [Indexed: 11/30/2022]
Abstract
C14 alkyl benzoate ABG001, derived from naturally occurring gentisides, was reported to exhibit neurotrophic activity which is similar to NGF (Nerve Growth Factor). In this research, ABG001 was modified by the strategy of isosteric replacement and conformational restriction with the purpose of improving the bioactivity. The cellular neurotrophic activity of those ABG001 derivatives were evaluated, among which 3-hydroxyquinolin-2-(1H)-one A3 and 4-decylphenol ester B7 displayed much better neurotrophic activity compared with ABG001, which highlights the potential of those novel scaffolds for future neurotrophic agent development.
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Affiliation(s)
- Zhenkang Wang
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Chunhua Ma
- School of Chemistry and Chemical Engineering, Henan Normal University, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions of Ministry of Education, Xinxiang 453007, China
| | - Yujie Wang
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Qiang Xiao
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Chenghui Xu
- Division of Antitumor Pharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Yingxia Li
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China.
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20
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Tang D, Xu YZ, Wang WW, Yang Z, Liu B, Stadler M, Liu LL, Gao JM. Cyathane Diterpenes from Cultures of the Bird's Nest Fungus Cyathus hookeri and Their Neurotrophic and Anti-neuroinflammatory Activities. JOURNAL OF NATURAL PRODUCTS 2019; 82:1599-1608. [PMID: 31244147 DOI: 10.1021/acs.jnatprod.9b00091] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Six new cyathane diterpenoids, cyahookerins A-F (1-6), as well as nine known analogues (7-15), were isolated from the liquid culture of the basidiomycete Cyathus hookeri. Their structures were elucidated on the basis of extensive spectroscopic analyses (1D and 2D NMR, HRESIMS, and ECD), and the absolute configurations of compounds 1 and 4 were determined by single-crystal X-ray crystallography. Compounds 1 and 2 represent the first unusual cyathane acetals featuring a dioxolane ring. Compounds 1-6 displayed differential nerve growth factor-induced neurite outgrowth-promoting activity in PC-12 cells at concentrations of 10 μM. In addition, cyahookerin B (2), cyathin E (9), cyathin B2 (12), and cyathin Q (13) showed significant nitric oxide production inhibition in Lipopolysaccharide (LPS)-activated BV-2 microglial cells with IC50 values of 12.0, 6.9, 10.9, and 9.1 μM, respectively. Similar binding modes of the four compounds were indicated by molecular-docking studies, and structure-activity relationships are discussed.
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Affiliation(s)
- Dan Tang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
| | - Yuan-Zhen Xu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
| | - Wei-Wei Wang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
| | - Zhi Yang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
| | - Bo Liu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
| | - Marc Stadler
- Department Microbial Drugs, Helmholtz Centre for Infection Research GmbH, Inhoffenstraße 7, 38124 Braunschweig, Germany
| | - Ling-Li Liu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China
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21
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Xu Y, Wei H, Wang J, Wang W, Gao J. Synthesis of andrographolide analogues and their neuroprotection and neurite outgrowth-promoting activities. Bioorg Med Chem 2019; 27:2209-2219. [DOI: 10.1016/j.bmc.2019.04.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 04/12/2019] [Accepted: 04/16/2019] [Indexed: 12/11/2022]
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22
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de Castro AA, Soares FV, Pereira AF, Polisel DA, Caetano MS, Leal DHS, da Cunha EFF, Nepovimova E, Kuca K, Ramalho TC. Non-conventional compounds with potential therapeutic effects against Alzheimer’s disease. Expert Rev Neurother 2019; 19:375-395. [DOI: 10.1080/14737175.2019.1608823] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Alexandre A. de Castro
- Laboratory of Molecular Modeling, Department of Chemistry, Federal University of Lavras, Lavras, Brazil
| | - Flávia V. Soares
- Laboratory of Molecular Modeling, Department of Chemistry, Federal University of Lavras, Lavras, Brazil
| | - Ander F. Pereira
- Laboratory of Molecular Modeling, Department of Chemistry, Federal University of Lavras, Lavras, Brazil
| | - Daniel A. Polisel
- Laboratory of Molecular Modeling, Department of Chemistry, Federal University of Lavras, Lavras, Brazil
| | - Melissa S. Caetano
- Institute of Exact and Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Daniel H. S. Leal
- Laboratory of Molecular Modeling, Department of Chemistry, Federal University of Lavras, Lavras, Brazil
- Department of Health Sciences, Federal University of Espírito Santo, São Mateus, Brazil
| | - Elaine F. F. da Cunha
- Laboratory of Molecular Modeling, Department of Chemistry, Federal University of Lavras, Lavras, Brazil
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Teodorico C. Ramalho
- Laboratory of Molecular Modeling, Department of Chemistry, Federal University of Lavras, Lavras, Brazil
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
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23
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Yin X, Wei J, Wang WW, Gao YQ, Stadler M, Kou RW, Gao JM. New cyathane diterpenoids with neurotrophic and anti-neuroinflammatory activity from the bird's nest fungus Cyathus africanus. Fitoterapia 2019; 134:201-209. [DOI: 10.1016/j.fitote.2019.02.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 02/17/2019] [Accepted: 02/18/2019] [Indexed: 11/28/2022]
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