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Keller M, Chabane S, Danton O, Prescimone A, Boudjelal A, Hamburger M, Potterat O. New neo-clerodane diterpenes from Teucrium polium subsp. capitatum. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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2
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Shi H, Jiang X, Cao L, Peng X, Tan Q, Teng X, Gu Q, He L. Chemical constituents of Ajuga forrestii and their anti-ferroptosis activity. Fitoterapia 2023; 166:105461. [PMID: 36804655 DOI: 10.1016/j.fitote.2023.105461] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 02/19/2023]
Abstract
Six new neoclerodane diterpenoids (1-6), along with ten known compounds (7-16), were isolated from Ajuga forrestii. Their structures were elucidated by HRESIMS, 1D and 2D NMR, ECD calculation, and single-crystal X-ray diffraction analysis. The structure of a known neoclerodane diterpene ajudecunoid C (6) was revised based on the reported NMR empirical rules. All the isolates were evaluated for their inhibitory effect on RSL3-induced ferroptosis in HT22 mouse hippocampal neuronal cells. Among them, compounds 8, 9, and 12 significantly inhibited RSL3-induced ferroptosis with EC50 values of 0.45 μM, 0.076 μM, and 0.14 μM.
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Affiliation(s)
- Huiwen Shi
- Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Xiufen Jiang
- Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Liudan Cao
- Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Xing Peng
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Qingyun Tan
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Xifeng Teng
- Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of Lingnan Medicinal Materials Production and Development, National Administration of Traditional Chinese Medicine, Guangzhou 510006, PR China
| | - Qiong Gu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China.
| | - Lin He
- Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Guangdong Provincial Engineering and Technology Research Center of Cosmetics, Guangdong Pharmaceutical University, Zhongshan 528458, PR China.
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3
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GC/MS and LC-MS/MS phytochemical evaluation of the essential oil and selected secondary metabolites of Ajuga orientalis from Jordan and its antioxidant activity. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
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Wang Y, Liu YC, Li WY, Guo K, Liu Y, Li SH. Antifeedant, cytotoxic, and anti-inflammatory neo-clerodane diterpenoids in the peltate glandular trichomes and fresh leaves of Ajuga forrestii. PHYTOCHEMISTRY 2021; 186:112731. [PMID: 33721797 DOI: 10.1016/j.phytochem.2021.112731] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 03/05/2021] [Accepted: 03/06/2021] [Indexed: 06/12/2023]
Abstract
The Lamiaceae plant Ajuga forrestii Diels is a traditional Chinese herbal medicine with abundant glandular trichomes (GTs), but their chemistry and biological functions remain uninvestigated. Here, a panel of six highly functionalized neo-clerodane diterpenoids was localized to the peltate GTs of A. forrestii using laser microdissection coupled with HPLC analysis, indicating that the GTs of A. forrestii are an excellent material for the elucidation of the yet unclear biosynthetic pathway of natural neo-clerodane diterpenoids. In addition, four undescribed neo-clerodane diterpenoids with an acyclic C-9 side chain including two pairs of 1:1 mixture of inseparable diastereomers, ajuforrestins D-G, were isolated from the fresh leaves of A. forrestii together with six known compounds. The structures of the undescribed compounds were elucidated by spectroscopic (including 1D and 2D NMR and HR-ESI-MS) analyses. Biological assays indicated that the major GT compound ajugacumbin B and undescribed ajuforrestins D/E showed antifeedant activity against Helicoverpa armigera, suggesting that neo-clerodanes in A. forrestii should be involved in plant defence against insects. Moreover, the abietane diterpenoid ajuforrestin B exhibited significant anti-inflammatory activity on the secretion of interleukin-2 (IL-2) and cytotoxicity against three cancer cell lines, NCI-H1975, HepG2 and MCF-7, suggesting that ajuforrestin B could positively contribute to the therapeutic effects of this traditional Chinese medicine.
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Affiliation(s)
- Ying Wang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yan-Chun Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China
| | - Wen-Yuan Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Kai Guo
- State Key Laboratory of Southwestern Chinese Medicine Resources, and Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Yan Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China.
| | - Sheng-Hong Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, PR China; State Key Laboratory of Southwestern Chinese Medicine Resources, and Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
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Wang H, Teng X, Zhang Y, Gu Q, He L. Diterpenoids from the Whole Plants of Ajuga nipponensis and Their Inhibition of RANKL-Induced Osteoclastogenesis. Chem Biodivers 2020; 18:e2000780. [PMID: 33205900 DOI: 10.1002/cbdv.202000780] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 11/18/2020] [Indexed: 11/05/2022]
Abstract
Two new diterpenoids, ajudecunoid A (1) and ajudecunoid B (14), along with thirteen known diterpenoids, were isolated from the whole plants of Ajuga nipponensis Makino. Their structures were elucidated by the extensive spectroscopic analysis (UV, IR, MS, and NMR). The absolute configurations of ajudecunoid A (1) and ajudecunoid B (14) were defined through analysis of X-ray crystallography. Fifteen compounds were evaluated for inhibition of the formation of osteoclasts in bone marrow-derived macrophages (BMM) cells. Two neo-clerodane diterpenoids ajuganipponin B (5) and (12S)-6α,19-diacetoxy-18-chloro-4α-hydroxy-12-tigloyloxy-neo-clerod-13-en-15,16-olide (12) showed significant inhibition of osteoclastogenesis with IC50 values of 0.88 and 0.79 μM, respectively. Here we firstly reported diterpenoids with anti-osteoclastogenesis activity from A. nipponensis.
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Affiliation(s)
- Haijuan Wang
- a School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Xifeng Teng
- b State Administration of Traditional Chinese Medicine Key Laboratory for Production and Development of Lingnan Medicinal Material, School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Yuting Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Qiong Gu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Lin He
- d Guangdong Provincial Cosmetics Engineering and Technology Research Center, School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, 528458, P. R. China
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Liu W, Song Z, Wang H, Yang X, Joubert E, Zhang J, Li S, Tuerhong M, Abudukeremu M, Jin J, Xu J, Lee D, Guo Y. Diterpenoids as potential anti-inflammatory agents from Ajuga pantantha. Bioorg Chem 2020; 101:103966. [DOI: 10.1016/j.bioorg.2020.103966] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 05/04/2020] [Accepted: 05/20/2020] [Indexed: 12/16/2022]
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Dong B, Yang X, Liu W, An L, Zhang X, Tuerhong M, Du Q, Wang C, Abudukeremu M, Xu J, Lee D, Shuai L, Lall N, Guo Y. Anti-inflammatory neo-Clerodane Diterpenoids from Ajuga pantantha. JOURNAL OF NATURAL PRODUCTS 2020; 83:894-904. [PMID: 32216313 DOI: 10.1021/acs.jnatprod.9b00629] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Eight new neo-clerodane diterpenoids (1-8) were acquired from the aerial parts of Ajuga pantantha. Spectroscopic data analysis permitted the definition of their structures, and experimental and calculated electronic circular dichroism data were used to define their absolute configurations. Compounds 2 and 4-8 were found to have NO inhibitory effects with IC50 values of 20.2, 45.5, 34.0, 27.0, 45.0, and 25.8 μM, respectively. The more potent compounds 2, 6, and 8 were analyzed to establish their anti-inflammatory mechanism, including regulation of the expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) proteins as well as their binding interactions with the two proteins.
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Affiliation(s)
- Bangjian Dong
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, People's Republic of China
| | - Xueyuan Yang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, People's Republic of China
| | - Wenpei Liu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, People's Republic of China
| | - Lijun An
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, People's Republic of China
| | - Xuke Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, People's Republic of China
| | - Muhetaer Tuerhong
- College of Chemistry and Environmental Sciences, Kashgar University, Kashgar 844000, People's Republic of China
| | - Qing Du
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, College of Pharmacy, Qinghai Nationalities University, Xining 810007, People's Republic of China
| | - Chunyan Wang
- Tianjin Second People's Hospital, Tianjin 300192, People's Republic of China
| | - Munira Abudukeremu
- College of Chemistry and Environmental Sciences, Kashgar University, Kashgar 844000, People's Republic of China
| | - Jing Xu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, People's Republic of China
- Tianjin Second People's Hospital, Tianjin 300192, People's Republic of China
- 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
| | - Dongho Lee
- College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Ling Shuai
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, People's Republic of China
| | - Namrita Lall
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria 0002, South Africa
| | - Yuanqiang Guo
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, People's Republic of China
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Barbosa Silva Cavalcanti A, Costa Barros RP, Costa VCDO, Sobral da Silva M, Fechine Tavares J, Scotti L, Scotti MT. Computer-Aided Chemotaxonomy and Bioprospecting Study of Diterpenes of the Lamiaceae Family. Molecules 2019; 24:molecules24213908. [PMID: 31671588 PMCID: PMC6864738 DOI: 10.3390/molecules24213908] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 10/25/2019] [Accepted: 10/27/2019] [Indexed: 01/12/2023] Open
Abstract
Lamiaceae is one of the largest families of angiosperms and is classified into 12 subfamilies that are composed of 295 genera and 7775 species. It presents a variety of secondary metabolites such as diterpenes that are commonly found in their species, and some of them are known to be chemotaxonomic markers. The aim of this work was to construct a database of diterpenes and to use it to perform a chemotaxonomic analysis among the subfamilies of Lamiaceae, using molecular descriptors and self-organizing maps (SOMs). The 4115 different diterpenes corresponding to 6386 botanical occurrences, which are distributed in eight subfamilies, 66 genera, 639 different species and 4880 geographical locations, were added to SistematX. Molecular descriptors of diterpenes and their respective botanical occurrences were used to generate the SOMs. In all obtained maps, a match rate higher than 80% was observed, demonstrating a separation of the Lamiaceae subfamilies, corroborating with the morphological and molecular data proposed by Li et al. Therefore, through this chemotaxonomic study, we can predict the localization of a diterpene in a subfamily and assist in the search for secondary metabolites with specific structural characteristics, such as compounds with potential biological activity.
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Affiliation(s)
- Andreza Barbosa Silva Cavalcanti
- Post-Graduate Program in Natural Synthetic Bioactive Products, Federal University of Paraiba, João Pessoa 58051-900, Paraíba, Brazil.
| | - Renata Priscila Costa Barros
- Post-Graduate Program in Natural Synthetic Bioactive Products, Federal University of Paraiba, João Pessoa 58051-900, Paraíba, Brazil.
| | - Vicente Carlos de Oliveira Costa
- Post-Graduate Program in Natural Synthetic Bioactive Products, Federal University of Paraiba, João Pessoa 58051-900, Paraíba, Brazil.
| | - Marcelo Sobral da Silva
- Post-Graduate Program in Natural Synthetic Bioactive Products, Federal University of Paraiba, João Pessoa 58051-900, Paraíba, Brazil.
| | - Josean Fechine Tavares
- Post-Graduate Program in Natural Synthetic Bioactive Products, Federal University of Paraiba, João Pessoa 58051-900, Paraíba, Brazil.
| | - Luciana Scotti
- Post-Graduate Program in Natural Synthetic Bioactive Products, Federal University of Paraiba, João Pessoa 58051-900, Paraíba, Brazil.
| | - Marcus Tullius Scotti
- Post-Graduate Program in Natural Synthetic Bioactive Products, Federal University of Paraiba, João Pessoa 58051-900, Paraíba, Brazil.
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Luan F, Han K, Li M, Zhang T, Liu D, Yu L, Lv H. Ethnomedicinal Uses, Phytochemistry, Pharmacology, and Toxicology of Species from the GenusAjugaL.: A Systematic Review. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2019; 47:959-1003. [PMID: 31416340 DOI: 10.1142/s0192415x19500502] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The present review is aimed at providing a comprehensive summary of the botanical characteristics, ethnomedicinal uses, phytochemical, pharmacological, and toxicological studies of the genus Ajuga L. The extensive literature survey revealed Ajuga L. species to be a group of important medicinal plants used for the ethnomedical treatment of rheumatism, fever, gout, sclerosis, analgesia, inflammation, hypertension, hyperglycemia, joint pain, palsy, amenorrhea, etc., although only a few reports address the clinical use and toxicity of these plants. Currently, more than 280 chemical constituents have been isolated and characterized from these plants. Among these constituents, neo-clerodane diterpenes and diterpenoids, phytoecdysteroids, flavonoids, and iridoids are the major bioactive compounds, possessing wide-reaching biological activities both in vivo and in vitro, including anti-inflammatory, antinociceptive, antitumor, anti-oxidant, antidiabetic, antimicrobial, antifeedant, antidiarrhoeal, hypolipidemic, diuretic, hypoglycaemic, immunomodulatory, vasorelaxant, larvicidal, antimutagenic, and neuroprotective activity. This review is aimed at summarizing the current knowledge of the ethnomedicinal uses, phytochemistry, biological activities, and toxicities of the genus Ajuga L. to reveal its therapeutic potentials, offering opportunities for future researches. Therefore, more focus should be paid to gathering information about their toxicology data, quality-control measures, and the clinical application of the bioactive ingredients from Ajuga L. species.
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Affiliation(s)
- Fei Luan
- Department of Pharmacy, Shaanxi Provincial Hospital of Tuberculosis Prevention and Treatment, Xi’an 710100, P. R. China
| | - Keqing Han
- Department of Pharmacy, Shaanxi Provincial Hospital of Tuberculosis Prevention and Treatment, Xi’an 710100, P. R. China
| | - Maoxing Li
- Department of Pharmacy, The 940th Hospital of Joint Logistic Support Force of PLA, Key Laboratory of the Prevention and Treatment for Injury in Plateau of PLA, Lanzhou 730050, P. R. China
| | - Ting Zhang
- Department of Pharmacy, Shaanxi Provincial Hospital of Tuberculosis Prevention and Treatment, Xi’an 710100, P. R. China
| | - Daoheng Liu
- Department of Pharmacy, Shaanxi Provincial Hospital of Tuberculosis Prevention and Treatment, Xi’an 710100, P. R. China
| | - Linhong Yu
- Department of Pharmacy, Shaanxi Provincial Hospital of Tuberculosis Prevention and Treatment, Xi’an 710100, P. R. China
| | - Haizhen Lv
- Department of Pharmacy, Shaanxi Provincial Hospital of Tuberculosis Prevention and Treatment, Xi’an 710100, P. R. China
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Zhang H, Ren QC, Ren Y, Zhao L, Yang F, Zhang Y, Zhao WJ, Tan YZ, Shen XF. Ajudecumin A from Ajuga ovalifolia var. calantha exhibits anti-inflammatory activity in lipopolysaccharide-activated RAW264.7 murine macrophages and animal models of acute inflammation. PHARMACEUTICAL BIOLOGY 2018; 56:649-657. [PMID: 31070535 PMCID: PMC7011979 DOI: 10.1080/13880209.2018.1543331] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 09/16/2018] [Accepted: 10/13/2018] [Indexed: 06/09/2023]
Abstract
CONTEXT Ajuga ovalifolia Bur. et Franch. var. calantha (Diels) C. Y. Wu et C. Chen (Labiatae), a traditional Chinese medicine, has been used to treat several inflammatory diseases. OBJECTIVE To assess the anti-inflammatory activity of ajudecumin A isolated from Ajuga ovalifolia var. calantha, and its possible mechanisms. MATERIALS AND METHODS Lipopolysaccharide (LPS, 0.5 μg/mL)-stimulated RAW264.7 macrophages were used to assess the anti-inflammatory activity of ajudecumin A (1-40 μM) in vitro. Nitric oxide levels were evaluated by Griess reagent. The mRNA levels of iNOS, COX-2, TNF-α, IL-1β and IL-6 were determined using qRT-PCR. Phosphorylation of ERK, JNK, p38 MAPK and IκBα were detected by western Blot. To further assess the anti-inflammatory of ajudecumin A in vivo, mice were oral treated with ajudecumin A (10 mg/kg) or dexamethasone (0.25 mg/kg, positive control) for 5 days before administration of carrageenan or xylene. Paw and ear edema were then measured, respectively. RESULTS Ajudecumin A (10-40 μM) decreased LPS-induced nitric oxide production with an IC50 value of 16.19 μM. Ajudecumin A (20 and 40 μM) also attenuated cell spreading and formation of pseudopodia-like structures, and decreased the mRNA levels of iNOS (55.23-67.04%, p < 0.001), COX-2 (57.58-70.25%, p < 0.001), TNF-α (53.75-58.94%, p < 0.01-0.001), IL-1β (79.41-87.85%, p < 0.001) and IL-6 (54.26-80.52%, p < 0.01-0.001) in LPS-activated RAW264.7 cells. Furthermore, ajudecumin A suppressed LPS-induced phosphorylation of ERK, p38 MAPK, and IκBα, as well as IκBα degradation (p < 0.05-0.001). Finally, ajudecumin A (10 mg/kg) attenuated carrageenan- and xylene-induced inflammation in mice by about 28 and 24%, respectively. DISCUSSION AND CONCLUSIONS Ajudecumin A exhibited a potent anti-inflammatory activity in vitro and in vivo through inhibition on NF-κB and ERK/p38 MAPK pathways, suggesting that ajudecumin A may be potentially developed as a lead compound in anti-inflammatory drug discovery.
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Affiliation(s)
- Hai Zhang
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources, Sichuan Province and Ministry of Science and Technology, College of Pharmacy and College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qing-Cuo Ren
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources, Sichuan Province and Ministry of Science and Technology, College of Pharmacy and College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yan Ren
- Department of Traditional Chinese Medicine, College of Pharmacy, Southwest Minzu University, Chengdu, China
| | - Lin Zhao
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Ministry of Education), West China Second University Hospital Sichuan University, Chengdu, China
| | - Fan Yang
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources, Sichuan Province and Ministry of Science and Technology, College of Pharmacy and College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yi Zhang
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources, Sichuan Province and Ministry of Science and Technology, College of Pharmacy and College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wen-Ji Zhao
- Sichuan Academy of Grassland Sciences, Chengdu, China
| | - Yu-Zhu Tan
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources, Sichuan Province and Ministry of Science and Technology, College of Pharmacy and College of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiao-Fei Shen
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Ministry of Education), West China Second University Hospital Sichuan University, Chengdu, China
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Qing X, Yan HM, Ni ZY, Vavricka CJ, Zhang ML, Shi QW, Gu YC, Kiyota H. Chemical and pharmacological research on the plants from genus Ajuga. HETEROCYCL COMMUN 2017. [DOI: 10.1515/hc-2017-0064] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractThe genus
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Li R, Morris-Natschke SL, Lee KH. Clerodane diterpenes: sources, structures, and biological activities. Nat Prod Rep 2016; 33:1166-226. [PMID: 27433555 PMCID: PMC5154363 DOI: 10.1039/c5np00137d] [Citation(s) in RCA: 137] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Covering: 1990 to 2015The clerodane diterpenoids are a widespread class of secondary metabolites and have been found in several hundreds of plant species from various families and in organisms from other taxonomic groups. These substances have attracted interest in recent years due to their notable biological activities, particularly insect antifeedant properties. In addition, the major active clerodanes of Salvia divinorum can be used as novel opioid receptor probes, allowing greater insight into opioid receptor-mediated phenomena, as well as opening additional areas for chemical investigation. This article provides extensive coverage of naturally occurring clerodane diterpenes discovered from 1990 until 2015, and follows up on the 1992 review by Merritt and Ley in this same journal. The distribution, chemotaxonomic significance, chemical structures, and biological activities of clerodane diterpenes are summarized. In the cases where sufficient information is available, structure activity relationship (SAR) correlations and mode of action of active clerodanes have been presented.
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Affiliation(s)
- Rongtao Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, People's Republic of China
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, North Carolina 27599-7568, USA
| | - Susan L. Morris-Natschke
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, North Carolina 27599-7568, USA
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, North Carolina 27599-7568, USA
- Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan
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Fan GX, Zhi DJ, Ren H, Li ZY, Hu QL, Liu YH, Zhang ZX, Fei DQ. A New Succinate Derivative from Ajuga decumbens. Nat Prod Commun 2016. [DOI: 10.1177/1934578x1601100420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A new succinate derivative, ethyl (5-formylfuran-2-yl)methyl succinate (1), along with three known compounds (2–4) have been isolated from the whole plants of Ajuga decumbens Thunb. Their structures were elucidated by extensive spectroscopic (1D and 2D NMR) and HR-ESI-MS data analysis, and literature values. Compound 1 was isolated as a new succinate derivative, and compounds 2 and 3 were for the first time separated from A. decumbens.
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Affiliation(s)
- Gai-Xia Fan
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - De-Juan Zhi
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Hui Ren
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Zheng-Yu Li
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Qiao-Ling Hu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Ying-Hong Liu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Zhan-Xin Zhang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Dong-Qing Fei
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
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Xu J, Ji F, Sun X, Cao X, Li S, Ohizumi Y, Guo Y. Characterization and Biological Evaluation of Diterpenoids from Casearia graveolens. JOURNAL OF NATURAL PRODUCTS 2015; 78:2648-2656. [PMID: 26474353 DOI: 10.1021/acs.jnatprod.5b00583] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Biologically active substances that promote the neurite outgrowth of nerve cells against neuron degeneration may be useful for the treatment of Alzheimer's disease. In a continuing search for bioactive compounds from plants, an ethyl acetate-soluble extract of the twigs of Casearia graveolens showed moderate stimulatory activity of neurite outgrowth from PC12 cells. Further investigation to obtain bioactive compounds led to the isolation of 10 new clerodane diterpenoids, graveopenes A-J (1-10). Their structures including absolute configurations were elucidated based on analysis of their NMR spectroscopic data and experimental and calculated ECD spectra. Compounds 3-6 and 8 were shown to stimulate NGF-mediated neurite outgrowth from PC12 cells.
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MESH Headings
- Alzheimer Disease/drug therapy
- Animals
- Antineoplastic Agents, Phytogenic/chemistry
- Antineoplastic Agents, Phytogenic/isolation & purification
- Antineoplastic Agents, Phytogenic/pharmacology
- Casearia/chemistry
- Diterpenes, Clerodane/chemistry
- Diterpenes, Clerodane/isolation & purification
- Diterpenes, Clerodane/pharmacology
- Drug Screening Assays, Antitumor
- Drugs, Chinese Herbal/chemistry
- Drugs, Chinese Herbal/isolation & purification
- Drugs, Chinese Herbal/pharmacology
- Molecular Structure
- Nerve Growth Factor/drug effects
- Neurites/drug effects
- Nuclear Magnetic Resonance, Biomolecular
- PC12 Cells
- Plants, Medicinal/chemistry
- Rats
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Affiliation(s)
| | - Feifei Ji
- College of Pharmacy, Harbin University of Commerce , Harbin 150076, People's Republic of China
| | | | | | | | - Yasushi Ohizumi
- Graduate School of Pharmaceutical Sciences, Tohoku University , Sendai 980-8578, Japan
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15
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Xie C, Sun L, Liao K, Liu S, Wang M, Xu J, Bartlam M, Guo Y. Bioactive ent-Pimarane and ent-Abietane Diterpenoids from the Whole Plants of Chloranthus henryi. JOURNAL OF NATURAL PRODUCTS 2015; 78:2800-2807. [PMID: 26558315 DOI: 10.1021/acs.jnatprod.5b00781] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Two new ent-pimarane (1 and 2), eight new ent-abietane (3-10) diterpenoids, and eight known analogues (11-18) were isolated from the whole plants of Chloranthus henryi. The absolute configuration of 1 was determined on the basis of single-crystal X-ray diffraction data. Compound 8 represents a class of rare naturally occurring C-14 norabietanes, and compounds 9 and 10 feature rare 13,14-seco-abietane skeletons. Compounds 5, 12, 13, and 15 inhibited the yeast-to-hyphae transition of Candida albicans with IC50 values between 97.3 and 738.7 μM.
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Affiliation(s)
- Chunfeng Xie
- 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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16
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Xu J, Sun Y, Wang M, Ren Q, Li S, Wang H, Sun X, Jin DQ, Sun H, Ohizumi Y, Guo Y. Bioactive Diterpenoids from the Leaves of Callicarpa macrophylla. JOURNAL OF NATURAL PRODUCTS 2015; 78:1563-1569. [PMID: 26110519 DOI: 10.1021/acs.jnatprod.5b00018] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A phytochemical investigation of the leaves of Callicarpa macrophylla led to the isolation of five new diterpenoids (1-5), macrophypenes A-E, and nine known analogues (6-14). The structures of 1-5 were established on the basis of extensive analysis of NMR spectroscopic data, X-ray diffraction data, and experimental and calculated electronic circular dichroism spectra. Compound 1 is a spiroditerpenoid with a novel skeleton, and compound 5 is a rare ent-abietane diterpenoid possessing a peroxide bridge. Compounds 1, 5-7, and 11-14 stimulate nerve growth factor mediated neurite outgrowth from PC12 cells.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Yasushi Ohizumi
- ∥Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan
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17
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Xu J, Zhang Q, Wang M, Ren Q, Sun Y, Jin DQ, Xie C, Chen H, Ohizumi Y, Guo Y. Bioactive clerodane diterpenoids from the twigs of Casearia balansae. JOURNAL OF NATURAL PRODUCTS 2014; 77:2182-2189. [PMID: 25286284 DOI: 10.1021/np5003516] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Eight new clerodane diterpenes, balanspenes A-H (1-8), along with two known analogues (9 and 10), were isolated from the twigs of Casearia balansae. The structures of 1-8 were elucidated on the basis of extensive 1D and 2D NMR spectroscopic data analysis, and the absolute configurations of compounds 1, 4, and 7 were confirmed by comparing their experimental CD spectra with those calculated by the time-dependent density functional theory method. Compounds 4-7, 9, and 10 were found to possess the property of being able to stimulate NGF-mediated neurite outgrowth from PC12 cells.
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MESH Headings
- Animals
- Antineoplastic Agents, Phytogenic/chemistry
- Antineoplastic Agents, Phytogenic/isolation & purification
- Antineoplastic Agents, Phytogenic/pharmacology
- Casearia/chemistry
- Circular Dichroism
- Diterpenes, Clerodane/chemistry
- Diterpenes, Clerodane/isolation & purification
- Diterpenes, Clerodane/pharmacology
- Drug Screening Assays, Antitumor
- Drugs, Chinese Herbal/chemistry
- Drugs, Chinese Herbal/isolation & purification
- Drugs, Chinese Herbal/pharmacology
- Molecular Structure
- Nerve Growth Factor/pharmacology
- Neurites/drug effects
- Nuclear Magnetic Resonance, Biomolecular
- PC12 Cells
- Plant Stems/chemistry
- Rats
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Affiliation(s)
- Jing Xu
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, ‡Tianjin Key Laboratory of Molecular Drug Research, and ⊥School of Medicine, Nankai University , Tianjin 300071, People's Republic of China
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18
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Chen H, Xie C, Wang H, Jin DQ, Li S, Wang M, Ren Q, Xu J, Ohizumi Y, Guo Y. Sesquiterpenes inhibiting the microglial activation from Laurus nobilis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:4784-4788. [PMID: 24801989 DOI: 10.1021/jf501515v] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The inhibitory reagents to inhibit the activation of microglial cells may be potentially useful for the treatment of neurodegenerative diseases. The leaves of the plant Laurus nobilis belonging to the family Lauraceae, namely, bay leaves, have been used as a popular spice, and their extract showed moderate inhibition on microglial activation. A further phytochemical investigation of the leaves led to the isolation of two new (1, 2) and eight known (3-10) sesquiterpenes. Their structures were elucidated on the basis of extensive 1D and 2D NMR (HMQC, HMBC, (1)H-(1)H COSY, and NOESY) spectroscopic data analyses and Chem3D modeling. The following biological studies disclosed that these isolated compounds showed inhibitory activities on LPS-induced microglial activation. The results of our phytochemical investigation, including two new sesquiterpenes (1 and 2) and the first report of two compounds (3 and 4) from this species, further revealed the chemical composition of bay leaves as a popular spice, and the biological studies implied that bay leaves, containing bioactive substances with the inhibition of microglial activation, were potentially beneficial to human health.
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Affiliation(s)
- Hongqiang Chen
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research and §School of Medicine, Nankai University , Tianjin 300071, People's Republic of China
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19
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Liu CP, Xu JB, Zhao JX, Xu CH, Dong L, Ding J, Yue JM. Diterpenoids from Croton laui and their cytotoxic and antimicrobial activities. JOURNAL OF NATURAL PRODUCTS 2014; 77:1013-1020. [PMID: 24735527 DOI: 10.1021/np500042c] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Fourteen new diterpenoids including clerodane (1-12), labdane (13), and norlabdane (14) types, as well as nine known analogues were isolated from the aerial parts of Croton laui. Their structures were established on the basis of spectroscopic analysis, and that of crotonolide H (11) was confirmed by single-crystal X-ray crystallography. Crotonolide A (1) exhibited moderate cytotoxicity against two tumor cell lines, HL-60 (human premyelocytic leukemia, IC50 9.42 μM) and P-388 (murine leukemia, IC50 7.45 μM), and crotonolide G (10) displayed significant antibacterial activity against a panel of Gram-positive bacteria.
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Affiliation(s)
- Cui-Ping Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road, Shanghai 201203, People's Republic of China
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20
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Zhao P, Wang H, Jin DQ, Ohizumi Y, Xu J, Guo Y. Terpenoids from Tripterygium hypoglaucum and their inhibition of LPS-induced NO production. Biosci Biotechnol Biochem 2014; 78:370-3. [PMID: 25036821 DOI: 10.1080/09168451.2014.890035] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
One new (1) and three known (2-4) sesquiterpenes and four known diterpenes (5-8) were isolated from the root bark of Tripterygium hypoglaucum. Their structures were elucidated on the basis of extensive spectroscopic analyses (IR, ESI-MS, HR-ESI-MS, 1D-NMR, and 2D-NMR). The inhibitory activity toward LPS-induced NO production of these terpenoids was evaluated, all the compounds showing inhibitory effects.
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Affiliation(s)
- Peng Zhao
- a Tianjin Children's Hospital , Tianjin , China
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21
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Abstract
A new neo-clerodane diterpene, named ajugacumbin J (1), together with 13 known compounds (2-14) was isolated from Ajuga decumbens. The structure of ajugacumbin J (1) was elucidated by 1D and 2D NMR spectra and MS. Ajugacumbin J (1) and ajugacumbin D (5) exhibited inhibition of lipopolysaccharide-induced nitric oxide production in RAW 264.7 macrophages with an IC50 value of 46.2 and 35.9 μM, respectively.
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Affiliation(s)
- Huawei Lv
- a State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry , China Pharmaceutical University , 24 Tong Jia Xiang, Nanjing 210009 , P.R. China
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22
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Wang S, Jin DQ, Xie C, Wang H, Wang M, Xu J, Guo Y. Isolation, characterization, and neuroprotective activities of sesquiterpenes from Petasites japonicus. Food Chem 2013; 141:2075-82. [PMID: 23870930 DOI: 10.1016/j.foodchem.2013.04.116] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2012] [Revised: 03/22/2013] [Accepted: 04/26/2013] [Indexed: 11/25/2022]
Abstract
Neuroprotective reagents to protect the nerve cells against oxidative stress and other damages are potentially effective for the medical treatment of Parkinson's disease. Petasites japonicus, a wild vegetable, belongs to the family Compositae and its extract has shown the neuroprotective effects. A further phytochemical investigation of P. japonicus for neuroprotective substances led to the isolation of eight new (1-8) and two known (9 and 10) sesquiterpenes. Their structures were elucidated on the basis of extensive 1D and 2D NMR (HMQC, HMBC, (1)H-(1)H COSY, and NOESY) spectroscopic data analyses, and the structure of 1 was confirmed by X-ray crystallography. The neuroprotective activities of these sesquiterpenes were evaluated against cobalt chloride (CoCl2)-induced neuronal cell death in human dopaminergic SH-SY5Y cells. Five compounds showed a neuroprotective activity.
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Affiliation(s)
- Shaonan Wang
- College of Pharmacy, State Key Laboratory of Medicinal Chemical Biology and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, People's Republic of China
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23
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neo-Clerodane diterpenes from Ajuga decumbens and their inhibitory activities on LPS-induced NO production. Fitoterapia 2012; 83:1409-14. [DOI: 10.1016/j.fitote.2012.08.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2012] [Revised: 08/03/2012] [Accepted: 08/05/2012] [Indexed: 11/23/2022]
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24
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Xu J, Jin DQ, Song H, Guo Y, He Y. Lathyrane diterpenes from Euphorbia prolifera and their inhibitory activities on LPS-induced NO production. Fitoterapia 2012; 83:1205-9. [DOI: 10.1016/j.fitote.2012.06.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2012] [Revised: 06/28/2012] [Accepted: 06/30/2012] [Indexed: 10/28/2022]
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25
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Xu J, Jin DQ, Liu C, Xie C, Guo Y, Fang L. Isolation, characterization, and NO inhibitory activities of sesquiterpenes from Blumea balsamifera. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:8051-8058. [PMID: 22823402 DOI: 10.1021/jf302530u] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Blumea balsamifera belongs to the family Compositae, and its leaves have been used as a flavoring ingredient and a tea. A phytochemical investigation of the aerial parts of B. balsamifera led to the isolation of 10 new (1-10) and 1 known (11) sesquiterpenes. Their structures were elucidated on the basis of extensive one- and two-dimensional nuclear magnetic resonance (heteronuclear multiple-quantum coherence, heteronuclear multiple-bond correlation, (1)H-(1)H correlation spectroscopy, and nuclear Overhauser effect spectrometry) spectroscopic data analyses, and the structure of compound 1 was confirmed by X-ray crystallography. The inhibitory activities on lipopolysaccharide-induced NO production in murine microglial BV-2 cells of these sesquiterpenes were evaluated, and all of the compounds showed inhibitory effects.
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Affiliation(s)
- Jing Xu
- College of Pharmacy, State Key Laboratory of Medicinal Chemical Biology and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China
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26
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Three new myrsinol diterpenes from Euphorbia prolifera and their neuroprotective activities. Molecules 2012; 17:9520-8. [PMID: 22878226 PMCID: PMC6268895 DOI: 10.3390/molecules17089520] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2012] [Revised: 07/25/2012] [Accepted: 07/26/2012] [Indexed: 11/16/2022] Open
Abstract
Three new myrsinol diterpenes were isolated from the roots of Euphorbia prolifera. Their structures were elucidated as 2α-O-isobutyryl-3β,5α,7β,10,15β-penta-O-acetyl-14α-O-benzoyl-10,18-dihydromyrsinol (1), 2α-O-isobutyryl-3β-O-propion-yl-5α,7β,10,15β-tetra-O-acetyl-10,18-dihydromyrsinol (2), and 2α,14α-di-O-benzoyl-3β,5α,7β,10,15β-penta-O-acetyl-10,18-dihydromyrsinol (3) on the basis of spectroscopic data analyses (IR, ESI-MS, HR-ESI-MS, and 1D and 2D NMR). Their neuroprotective activities were evaluated and compounds 1 and 2 showed neuroprotective effects against MPP+-induced neuronal cell death in SH-SY5Y cells.
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27
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Four new myrsinol diterpenes from Euphorbia prolifera. J Nat Med 2012; 67:333-8. [DOI: 10.1007/s11418-012-0688-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Accepted: 06/27/2012] [Indexed: 10/28/2022]
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Xu J, Guo Y, Jin DQ, Zhao P, Guo P, Yamakuni T, Ohizumi Y. Three new iridoids from the roots of Valeriana jatamansi. J Nat Med 2012; 66:653-7. [DOI: 10.1007/s11418-012-0631-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2011] [Accepted: 01/18/2012] [Indexed: 11/27/2022]
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Xu J, Guo P, Fang LZ, Li YS, Guo YQ. Iridoids from the roots of Valeriana jatamansi. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2012; 14:1-6. [PMID: 22263587 DOI: 10.1080/10286020.2011.618804] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Two new iridoids, jatamanvaltrates N (1) and O (2), together with four known compounds (3-6), were isolated from the roots of Valeriana jatamansi. Their structures and relative configurations were elucidated by spectroscopic methods (IR, ESI-MS, HR-ESI-MS, 1D, and 2D NMR) and by comparison of their NMR spectral data with those of related compounds. All the isolated compounds were evaluated for their neuroprotective effects, and only compound 1 showed weak neuroprotective activities.
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Affiliation(s)
- Jing Xu
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, China
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31
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Xu J, Guo Y, Xie C, Li Y, Gao J, Zhang T, Hou W, Fang L, Gui L. Bioactive myrsinol diterpenoids from the roots of Euphorbia prolifera. JOURNAL OF NATURAL PRODUCTS 2011; 74:2224-2230. [PMID: 21928782 DOI: 10.1021/np200591h] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Ten myrsinol diterpenes, euphorbiaproliferins A-J (1-10), along with nine known analogues (11-19) were isolated from the roots of Euphorbia prolifera. Their structures were elucidated by spectroscopic data analysis (IR, ESIMS, HRESIMS, 1D and 2D NMR), and the structure of 1 was confirmed by X-ray crystallography. The diterpenes showed neuroprotective effects against MPP+-induced neuronal cell death in SH-SY5Y cells.
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Affiliation(s)
- Jing Xu
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, People's Republic of China
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Gang X, Fang Z, Xian-Wen Y, Juan Z, Li-Xin Y, Shen XL, Hu YJ, Zhao QS. neo-Clerodane diterpenoids from Salvia dugesii and their bioactive studies. NATURAL PRODUCTS AND BIOPROSPECTING 2011; 1:81-86. [PMCID: PMC4131648 DOI: 10.1007/s13659-011-0016-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2011] [Accepted: 09/21/2011] [Indexed: 05/28/2023]
Abstract
Salvia dugesii is an invasive plant in Yunnan, China. To tentatively explore its utilization, a systematic phytochemical investigation was carried out on this plant, which led to the isolation of five new neo-clerodane diterpenoids, dugesins C–G (1–5), together with six known ones. Their structures were determined by comprehensive NMR and MS spectroscopic analysis. It was noteworthy that the eleven isolates, composed of five different carbocyclic systems derived from the neo-clerodane diterpenoid skeleton, were reported from the same plant for the first time. The anti-feedantial, cytotoxic, and antiviral activities of the isolates were evaluated. Dugesin F (4) was tested to be a non-toxic antiviral compound against influenza virus FM1.![]()
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Affiliation(s)
- Xu Gang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201 China
| | - Zhao Fang
- Tropical Medicine Institute, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
| | - Yang Xian-Wen
- Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301 China
| | - Zhou Juan
- Tropical Medicine Institute, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
| | - Yang Li-Xin
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201 China
| | - Xiao-Ling Shen
- Tropical Medicine Institute, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
| | - Ying-Jie Hu
- Tropical Medicine Institute, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
| | - Qin-Shi Zhao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201 China
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Guo P, Li Y, Xu J, Guo Y, Jin DQ, Gao J, Hou W, Zhang T. neo-Clerodane diterpenes from Ajuga ciliata Bunge and their neuroprotective activities. Fitoterapia 2011; 82:1123-7. [PMID: 21807075 DOI: 10.1016/j.fitote.2011.07.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 07/12/2011] [Accepted: 07/14/2011] [Indexed: 11/30/2022]
Affiliation(s)
- Ping Guo
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, China
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