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Li X, Li S, Wang J, Chen G, Tao X, Xu S. Metabolomic Analysis Reveals Domestication-Driven Reshaping of Polyphenolic Antioxidants in Soybean Seeds. Antioxidants (Basel) 2023; 12:antiox12040912. [PMID: 37107287 PMCID: PMC10135580 DOI: 10.3390/antiox12040912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 03/30/2023] [Accepted: 03/30/2023] [Indexed: 04/29/2023] Open
Abstract
Crop domestication has resulted in nutrient losses, so evaluating the reshaping of phytonutrients is crucial for improving nutrition. Soybean is an ideal model due to its abundant phytonutrients and wild relatives. In order to unravel the domestication consequence of phytonutrients, comparative and association analyses of metabolomes and antioxidant activities were performed on seeds of six wild (Glycine soja (Sieb. and Zucc.)) and six cultivated soybeans (Glycine max (L.) Merr.). Through ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS), we observed a greater metabolic diversity in wild soybeans, which also displayed higher antioxidant activities. (-)-Epicatechin, a potent antioxidant, displayed a 1750-fold greater abundance in wild soybeans than in cultivated soybeans. Multiple polyphenols in the catechin biosynthesis pathway were significantly higher in wild soybeans, including phlorizin, taxifolin, quercetin 3-O-galactoside, cyanidin 3-O-glucoside, (+)-catechin, (-)-epiafzelechin, catechin-glucoside, and three proanthocyanidins. They showed significant positive correlations with each other and antioxidant activities, indicating their cooperative contribution to the high antioxidant activities of wild soybeans. Additionally, natural acylation related to functional properties was characterized in a diverse range of polyphenols. Our study reveals the comprehensive reprogramming of polyphenolic antioxidants during domestication, providing valuable insights for metabolism-assisted fortification of crop nutrition.
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Affiliation(s)
- Xuetong Li
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Sujuan Li
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Jian Wang
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Guang Chen
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Xiaoyuan Tao
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Shengchun Xu
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
- Xianghu Laboratory, Hangzhou 311231, China
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Naidu SAG, Tripathi YB, Shree P, Clemens RA, Naidu AS. Phytonutrient Inhibitors of SARS-CoV-2/NSP5-Encoded Main Protease (M pro) Autocleavage Enzyme Critical for COVID-19 Pathogenesis. J Diet Suppl 2023; 20:284-311. [PMID: 34821532 DOI: 10.1080/19390211.2021.2006388] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The genomic reshuffling, mutagenicity, and high transmission rate of the SARS-CoV-2 pathogen highlights an urgent need for effective antiviral interventions for COVID-19 control. Targeting the highly conserved viral genes and/or gene-encoded viral proteins such as main proteinase (Mpro), RNA-dependent RNA polymerase (RdRp) and helicases are plausible antiviral approaches to prevent replication and propagation of the SARS-CoV-2 infection. Coronaviruses (CoVs) are prone to extensive mutagenesis; however, any genetic alteration to its highly conserved Mpro enzyme is often detrimental to the viral pathogen. Therefore, inhibitors that target the Mpro enzyme could reduce the risk of mutation-mediated drug resistance and provide effective antiviral protection. Several existing antiviral drugs and dietary bioactives are currently repurposed to treat COVID-19. Dietary bioactives from three ayurvedic medicinal herbs, 18 β-glycyrrhetinic acid (ΔG = 8.86 kcal/mol), Solanocapsine (ΔG = 8.59 kcal/mol), and Vasicoline (ΔG = 7.34 kcal/mol), showed high-affinity binding to Mpro enzyme than the native N3 inhibitor (ΔG = 5.41 kcal/mol). Flavonoids strongly inhibited SARS-CoV-2 Mpro with comparable or higher potency than the antiviral drug, remdesivir. Several tannin hydrolysates avidly bound to the receptor-binding domain and catalytic dyad (His41 and Cys145) of SARS-CoV-2 Mpro through H-bonding forces. Quercetin binding to Mpro altered the thermostability of the viral protein through redox-based mechanism and inhibited the viral enzymatic activity. Interaction of quercetin-derivatives with the Mpro seem to be influenced by the 7-OH group and the acetoxylation of sugar moiety on the ligand molecule. Based on pharmacokinetic and ADMET profiles, several phytonutrients could serve as a promising redox nutraceutical for COVID-19 management.
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Affiliation(s)
- Sreus A G Naidu
- N-terminus Research Laboratory, Yorba Linda, California, USA
| | - Yamini B Tripathi
- Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Priya Shree
- Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Roger A Clemens
- Department of International Regulatory Science, University of Southern California School of Pharmacy, Los Angeles, California, USA
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Lu Y, Luo Y, Zhou J, Hu T, Tu L, Tong Y, Su P, Liu Y, Wang J, Jiang Z, Wu X, Chen X, Huang L, Gao W. Probing the functions of friedelane-type triterpene cyclases from four celastrol-producing plants. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 109:555-567. [PMID: 34750899 DOI: 10.1111/tpj.15575] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 10/15/2021] [Accepted: 11/01/2021] [Indexed: 06/13/2023]
Abstract
Triterpenes are among the most diverse plant natural products, and their diversity is closely related to various triterpene skeletons catalyzed by different 2,3-oxidosqualene cyclases (OSCs). Celastrol, a friedelane-type triterpene with significant bioactivities, is specifically distributed in higher plants, such as Celastraceae species. Friedelin is an important precursor for the biosynthesis of celastrol, and it is synthesized through the cyclization of 2,3-oxidosqualene, with the highest number of rearrangements being catalyzed by friedelane-type triterpene cyclases. However, the molecular mechanisms underlying the catalysis of friedelin production by friedelane-type triterpene cyclases have not yet been fully elucidated. In this study, transcriptome data of four celastrol-producing plants from Celastraceae were used to identify a total of 21 putative OSCs. Through functional characterization, the friedelane-type triterpene cyclases were separately verified in the four plants. Analysis of the selection pressure showed that purifying selection acted on these OSCs, and the friedelane-type triterpene cyclases may undergo weaker selective restriction during evolution. Molecular docking and site-directed mutagenesis revealed that changes in some amino acids that are unique to friedelane-type triterpene cyclases may lead to variations in catalytic specificity or efficiency, thereby affecting the synthesis of friedelin. Our research explored the functional diversity of triterpene synthases from a multispecies perspective. It also provides some references for further research on the relative mechanisms of friedelin biosynthesis.
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Affiliation(s)
- Yun Lu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
- Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Yunfeng Luo
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Jiawei Zhou
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Tianyuan Hu
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, China
| | - Lichan Tu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Yuru Tong
- School of Pharmaceutical Sciences, Capital Medical University, Beijing, China
| | - Ping Su
- Department of Chemistry, The Scripps Research Institute, Jupiter, FL, USA
| | - Yuan Liu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Jiadian Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Zhouqian Jiang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Xiaoyi Wu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Xiaochao Chen
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Luqi Huang
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wei Gao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
- Beijing Shijitan Hospital, Capital Medical University, Beijing, China
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de Moura FBR, Ferreira BA, Deconte SR, Landim BC, Justino AB, Aro AAD, Espindola FS, Rodrigues RAF, Ribeiro DL, Araújo FDA, Tomiosso TC. Wound healing activity of the hydroethanolic extract of the leaves of Maytenus ilicifolia Mart. Ex Reis. J Tradit Complement Med 2021; 11:446-456. [PMID: 34522639 PMCID: PMC8427480 DOI: 10.1016/j.jtcme.2021.03.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 03/15/2021] [Accepted: 03/26/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND AND AIM Maytenus ilicifolia has analgesic, healing, antioxidant and anti-inflammatory properties. This study evaluated effect of the hydroalcoholic extract of M. ilicifolia leaves on skin wound repair. EXPERIMENTAL PROCEDURE Wounds were induced on mice and treated with the extract. The treatment was performed daily, until day 7 after wound induction. Wound closure was measured and the features of the repaired tissue were investigated, including mast cell quantification, neutrophil and macrophage activities, collagen deposition, angiogenesis, and pro-metalloproteases and metalloproteases 2 and 9 activity (pro-MMPs and MMPs). RESULTS AND CONCLUSION The M. ilicifolia extract accelerated the closure of wounds. The extract at a concentration of 4% was found to be effective, presenting anti-inflammatory effects and hemoglobin increased, along with increased soluble, total and type III collagens in the wound. In addition, there was an increase in pro-MMP9 and MMP9 activity after day 7th of treatment. The phenolic compounds and tannins present in this plant could be associated with the anti-inflammatory and healing activities observed in this study. Therefore, the ability to modulate essential parameters for accelerated and adequate healing as shown here suggests that the use of standardised extracts of M. ilicifolia and its fractions enriched in polyphenols may represent a therapeutic strategy for the treatment of wounds.
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Affiliation(s)
- Francyelle Borges Rosa de Moura
- Institute of Biomedical Sciences, Federal University of Uberlândia, Avenue Pará 1720, zip code 38400-902, Uberlândia, MG, Brazil
- Institute of Biology, State University of Campinas, Street Monteiro Lobato, 255, zip code 13083-862, Campinas, SP, Brazil
| | - Bruno Antonio Ferreira
- Institute of Biomedical Sciences, Federal University of Uberlândia, Avenue Pará 1720, zip code 38400-902, Uberlândia, MG, Brazil
- Institute of Biotechnology, Federal University of Uberlândia, Street Acre 1004, zip code 38405-319, Uberlândia, MG, Brazil
| | - Simone Ramos Deconte
- Institute of Biomedical Sciences, Federal University of Uberlândia, Avenue Pará 1720, zip code 38400-902, Uberlândia, MG, Brazil
| | - Breno Costa Landim
- Institute of Biomedical Sciences, Federal University of Uberlândia, Avenue Pará 1720, zip code 38400-902, Uberlândia, MG, Brazil
| | - Allisson Benatti Justino
- Institute of Biotechnology, Federal University of Uberlândia, Street Acre 1004, zip code 38405-319, Uberlândia, MG, Brazil
| | - Andrea Aparecida de Aro
- Institute of Biology, State University of Campinas, Street Monteiro Lobato, 255, zip code 13083-862, Campinas, SP, Brazil
| | - Foued Salmen Espindola
- Institute of Biotechnology, Federal University of Uberlândia, Street Acre 1004, zip code 38405-319, Uberlândia, MG, Brazil
| | - Rodney Alexandre Ferreira Rodrigues
- Multidisciplinary Center of Chemical, Biological and Agricultural Research, State University of Campinas, Street Alexandre Cazelatto 999, zip code 13148-218, Paulínia, SP, Brazil
| | - Daniele Lisboa Ribeiro
- Institute of Biomedical Sciences, Federal University of Uberlândia, Avenue Pará 1720, zip code 38400-902, Uberlândia, MG, Brazil
| | - Fernanda de Assis Araújo
- Institute of Biomedical Sciences, Federal University of Uberlândia, Avenue Pará 1720, zip code 38400-902, Uberlândia, MG, Brazil
| | - Tatiana Carla Tomiosso
- Institute of Biomedical Sciences, Federal University of Uberlândia, Avenue Pará 1720, zip code 38400-902, Uberlândia, MG, Brazil
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Anti-Inflammatory Activity of Diterpenoids from Celastrus orbiculatus in Lipopolysaccharide-Stimulated RAW264.7 Cells. J Immunol Res 2020; 2020:7207354. [PMID: 32802895 PMCID: PMC7414338 DOI: 10.1155/2020/7207354] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 04/29/2020] [Accepted: 05/07/2020] [Indexed: 12/14/2022] Open
Abstract
Celastrus orbiculatus Thunb has been known as an ethnopharmacological medicinal plant for antitumor, anti-inflammatory, and analgesic effects. Although various pharmacological studies of C. orbiculatus extract has been reported, an anti-inflammatory mechanism study of their phytochemical constituents has not been fully elucidated. In this study, compounds 1-17, including undescribed podocarpane-type trinorditerpenoid (3), were purified from C. orbiculatus and their chemical structure were determined by high-resolution electrospray ionization mass (HRESIMS) and nuclear magnetic resonance (NMR) spectroscopic data. To investigate the anti-inflammatory activity of compounds 1-17, nitric oxide (NO) secretion was evaluated in LPS-treated murine macrophages, RAW264.7 cells. Among compounds 1-17, deoxynimbidiol (1) and new trinorditerpenoid (3) showed the most potent inhibitory effects (IC50: 4.9 and 12.6 μM, respectively) on lipopolysaccharide- (LPS-) stimulated NO releases as well as proinflammatory mediators, such as inducible nitric oxide (iNOS), cyclooxygenase- (COX-) 2, interleukin- (IL-) 1β, IL-6, and tumor necrosis factor- (TNF-) α. Its inhibitory activity of proinflammatory mediators is contributed by suppressing the activation of nuclear transcription factor- (NF-) κB and mitogen-activated protein kinase (MAPK) signaling cascades including p65, inhibition of NF-κB (IκB), extracellular signal-regulated kinase (ERK), c-Jun NH2-terminal kinase (JNK), and p38. Therefore, these results demonstrated that diterpenoids 1 and 3 obtained from C. orbiculatus may be considered a potential candidate for the treatment of inflammatory diseases.
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Li N, Zhu HT, Wang D, Zhang M, Yang CR, Zhang YJ. New Flavoalkaloids with Potent α-Glucosidase and Acetylcholinesterase Inhibitory Activities from Yunnan Black Tea 'Jin-Ya'. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:7955-7963. [PMID: 32628847 DOI: 10.1021/acs.jafc.0c02401] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
As a subgroup of flavoalkaloids, N-ethyl-2-pyrrolidinone substituted flavan-3-ols are reported to possess various biological activities that may play important roles in the beneficial healthcare functions of tea. The HPLC and LC-MS analyses showed the existence of N-ethyl-2-pyrrolidinone substituted flavan-3-ols in 'Jin-Ya', which is a Yunnan black tea produced only from the buds of the tea plant Camellia sinensis var. assamica. Further phytochemical study on this precious black tea led to the identification of 8 flavoalkaloids, 1-8, along with 11 known flavan-3-ols (9-14) and flavonol glycosides (15-19). The new compounds, (-)-6-(5″S)-N-ethyl-2-pyrrolidinone-epiafzelechin (1), (-)-8-(5″R)-N-ethyl-2-pyrrolidinone-epiafzelechin-3-O-gallate (2a), and (-)-8-(5″S)-N-ethyl-2-pyrrolidinone-epiafzelechin-3-O-gallate (2b), were identified based on extensive spectroscopic analysis. Flavoalkaloids 2-6 showed inhibitory activity on α-glucosidase with IC50 values ranging from 2.09 to 8.47 μM, compared to those of quercetin and acarbose (IC50 = 6.87 and 228.9 μM, respectively). Moreover, compounds 2, 3, and 6 displayed an inhibitory effect on acetyl-cholinesterase with IC50 values of 14.23, 33.79, and 34.82 μM, respectively, compared to tacrine (IC50 = 0.223 μM).
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Affiliation(s)
- Na Li
- State Key Laboratory of Phytochemistry and Plant Resources of West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Hong-Tao Zhu
- State Key Laboratory of Phytochemistry and Plant Resources of West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
| | - Dong Wang
- State Key Laboratory of Phytochemistry and Plant Resources of West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
| | - Man Zhang
- State Key Laboratory of Phytochemistry and Plant Resources of West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
| | - Chong-Ren Yang
- State Key Laboratory of Phytochemistry and Plant Resources of West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
| | - Ying-Jun Zhang
- State Key Laboratory of Phytochemistry and Plant Resources of West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
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Pecio Ł, Alilou M, Kozachok S, Erdogan Orhan I, Eren G, Senol Deniz FS, Stuppner H, Oleszek W. Yuccalechins A-C from the Yucca schidigera Roezl ex Ortgies Bark: Elucidation of the Relative and Absolute Configurations of Three New Spirobiflavonoids and Their Cholinesterase Inhibitory Activities. Molecules 2019; 24:molecules24224162. [PMID: 31744162 PMCID: PMC6891570 DOI: 10.3390/molecules24224162] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 11/13/2019] [Accepted: 11/14/2019] [Indexed: 12/16/2022] Open
Abstract
The ethyl acetate fraction of the methanolic extract of Yucca schidigera Roezl ex Ortgies bark exhibited moderate acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory activity (IC50 47.44 and 47.40 µg mL−1, respectively). Gel filtration on Sephadex LH-20 and further RP-C18 preparative HPLC of EtOAc fraction afforded 15 known and 3 new compounds, stereoisomers of larixinol. The structures of the isolated spirobiflavonoids 15, 26, and 29 were elucidated using 1D and 2D NMR and MS spectroscopic techniques. The relative configuration of isolated compounds was assigned based on coupling constants and ROESY (rotating-frame Overhauser spectroscopy) correlations along with applying the DP4+ probability method in case of ambiguous chiral centers. Determination of absolute configuration was performed by comparing calculated electronic circular dichroism (ECD) spectra with experimental ones. Compounds 26 and 29, obtained in sufficient amounts, were evaluated for activities against AChE and BChE, and they showed a weak inhibition only towards AChE (IC50 294.18 µM for 26, and 655.18 µM for 29). Furthermore, molecular docking simulations were performed to investigate the possible binding modes of 26 and 29 with AChE.
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Affiliation(s)
- Łukasz Pecio
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation-State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland; (S.K.); (W.O.)
- Correspondence: (Ł.P.); (M.A.); Tel.: +48-814-786-882 (Ł.P.); +43-512-507-58437 (M.A.)
| | - Mostafa Alilou
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innrain 80/82, Innsbruck 6020, Austria;
- Correspondence: (Ł.P.); (M.A.); Tel.: +48-814-786-882 (Ł.P.); +43-512-507-58437 (M.A.)
| | - Solomiia Kozachok
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation-State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland; (S.K.); (W.O.)
| | - Ilkay Erdogan Orhan
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey; (I.E.O.); (F.S.S.D.)
| | - Gokcen Eren
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey;
| | - Fatma Sezer Senol Deniz
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey; (I.E.O.); (F.S.S.D.)
| | - Hermann Stuppner
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innrain 80/82, Innsbruck 6020, Austria;
| | - Wiesław Oleszek
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation-State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland; (S.K.); (W.O.)
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Shen Y, Chen BL, Zhang QX, Zheng YZ, Fu Q. Traditional uses, secondary metabolites, and pharmacology of Celastrus species - a review. JOURNAL OF ETHNOPHARMACOLOGY 2019; 241:111934. [PMID: 31129308 DOI: 10.1016/j.jep.2019.111934] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 05/02/2019] [Accepted: 05/02/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Plants of genus Celastrus (Celastraceae) have been widely used in traditional Chinese medicine (TCM) and Indian medicine to treat cognitive dysfunction, epilepsy, insomnia, rheumatism, gout, and dyspepsia for thousands of years. AIM OF STUDY We critically summarized the current evidence on the botanic characterization and distribution, ethnopharmacology, secondary metabolites, pharmacological activities, qualitative and quantitative analysis, and toxicology of Celastrus species to provide perspectives for developing more attractive pharmaceuticals of plant origin. MATERIALS AND METHODS The relevant information on Celastrus species was gathered from worldwide accepted scientific databases via electronic search (Web of Science, SciFinder, PubMed, Elsevier, SpringerLink, Wiley Online, China Knowledge Resource Integrated, and Google Scholar). Information was also obtained from the literature and books as well as PhD and MSc dissertations. Plant names were validated by "The Plant List" (www.theplantlist.org). RESULTS Comprehensive analysis of the above mentioned databases and other sources confirmed that ethnomedical uses of plants of Celastrus genus had been recorded in China, India, and other countries in Southern Asia. The phytochemical investigation revealed the presence of β-dihydroagarofuranoids, diterpenoids, triterpenoids, tetraterpenes, phenylpropanoids, alkaloids, flavonoids, lignans, and others. The crude extracts and isolated constituents have exhibited a wide range of in vitro and in vivo pharmacological effects, including antitumor, cytotoxic, insecticidal, antimicrobial, anti-rheumatoid arthritis (RA), anti-inflammatory, anti-ageing and antioxidative, and neuroprotective activities. CONCLUSION Plants of genus Celastrus have been confirmed to show a strong potential for therapeutic and health-maintaining effects, in light of their long traditional use and the phytochemical and pharmacological studies summarized here. Currently, pharmacological studies of this genus mainly focus on Celastrus paniculatus Willd. and Celastrus orbiculatus Thunb. Therefore, more pharmacological investigations should be implemented to support traditional uses of other medicinal plants of the genus Celastrus. Moreover, studies on the toxicity, bioavailability, and pharmacokinetics, in addition to clinical trials, are indispensable for assessing the safety and efficacy of the secondary metabolites or extracts obtained from plants belonging to this genus.
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Affiliation(s)
- Yue Shen
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture Rural Affairs, College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China
| | - Bi-Lian Chen
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture Rural Affairs, College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China
| | - Qin-Xiu Zhang
- School of Medical and Life Sciences, Chengdu University of TCM, Chengdu, 610072, China
| | - Yu-Zhong Zheng
- School of Food Engineering and Biotechnology, Hanshan Normal University, Chaozhou, 521041, China
| | - Qiang Fu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture Rural Affairs, College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China.
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Zhou J, Zhai J, Zheng W, Han N, Liu Z, Lv G, Zheng X, Chang S, Yin J. The antithrombotic activity of the active fractions from the fruits of Celastrus orbiculatus Thunb through the anti-coagulation, anti-platelet activation and anti-fibrinolysis pathways. JOURNAL OF ETHNOPHARMACOLOGY 2019; 241:111974. [PMID: 31132460 DOI: 10.1016/j.jep.2019.111974] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 05/09/2019] [Accepted: 05/23/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Traditional Chinese medicine Celastrus orbiculatus Thunb (C. orbiculatus) with peel and seeds is mainly composed of flavonoids, sesquiterpenes and tripenes. According to the Traditional Chinese medicine standard of Liaoning province (2009), it has been long used to invigorate blood circulation. AIM OF THE STUDY To identify the antithrombus fraction and components of C. orbiculatus, and to investigate the underlying mechanisms. MATERIALS AND METHODS The antithrombus effects of C. orbiculatus fractions were evaluated in vitro by plasma recalcification time (PRT). The antithrombus effect of NST-50, the most effective fraction, was further investigated in acute pulmonary embolism (APE) mice and FeCl3-induced carotid arterial thrombus rats. Bleeding assessment was also carried out to assess the side effects of NST-50. In addition, the content of total flavonoids and active components of NST-50 was also quantified. RESULTS Nine flavonoids were detected in NST-50 as main components with the content of 44.70%. Next, NST-50 was found with significant anticoagulation activity by prolonging the plasma recalcification time (PRT), activated partial thromboplastin time (APTT), thrombin time (TT) and prothrombin time (PT) and decreasing the content of fibrinogen (FIB). Furthermore, NST-50 administration markedly suppressed the level of TXB2 and PAI-1, while significantly up-regulated the level of 6-keto-PGF1a and t-PA (p < 0.05). CONCLUSION The results demonstrated that NST-50 could be valuable in clinical application against acute coronary syndrome, venous thromboembolisms and cerebrovascular thrombosis. It was possible that the anticoagulation action of NST-50 could be related to the regulation of TXA2 - PGI2 and t-PA - PAI-1 pairs.
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Affiliation(s)
- Jingjing Zhou
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - JianXiu Zhai
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Wenlin Zheng
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Na Han
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Zhihui Liu
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Guanghui Lv
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Xiaojiao Zheng
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Sheng Chang
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Jun Yin
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
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Ondua M, Njoya EM, Abdalla MA, McGaw LJ. Anti-inflammatory and antioxidant properties of leaf extracts of eleven South African medicinal plants used traditionally to treat inflammation. JOURNAL OF ETHNOPHARMACOLOGY 2019; 234:27-35. [PMID: 30572091 DOI: 10.1016/j.jep.2018.12.030] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 12/13/2018] [Accepted: 12/16/2018] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Inflammation is a complex mechanism employed by the body to promote healing and restoration to normal function in the event of injury. Eleven plant species were selected in this study based on their use in traditional medicine against inflammation in South Africa. METHODS Hexane, acetone, ethanol, methanol and water extracts of the powdered plants were prepared and a total of fifty-five extracts were tested for their anti-inflammatory and antioxidant activities. The anti-inflammatory activity of extracts was evaluated via the 15-lipoxygenase (15-LOX) inhibitory and the nitric oxide (NO) inhibition assays using lipopolysaccharide (LPS)-activated RAW 264.7 murine macrophages. Total flavonoid and total phenolic contents were determined. The antioxidant activity of the extracts was performed using radical scavenging DPPH (2, 2-diphenyl-1-picrylhydrazyl) and electron reducing ABTS (2, 2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) assays. RESULTS The hexane extract of Typha capensis (TC) had good lipoxygenase inhibitory activity with IC50 of 4.65 µg/mL, significantly (p < 0.05) higher than that of the positive control quercetin (IC50 = 24.60). The same extract also had good nitric oxide inhibitory activity with 86% NO inhibition and cell viability of 97% at 50 µg/mL. The TC acetone extract had the best antioxidant activity with IC50 of 7.11 and 1.91 µg/mL respectively in the DPPH and ABTS assays. Following fractionation of the TC plant material, the ethyl acetate fraction had interesting antioxidant activity and the methanol/water (35%) and hexane fractions had good 15-LOX inhibitory activity. The antioxidant and anti-inflammatory activities therefore resided in both polar and more non-polar fractions. CONCLUSION The acetone extract of Typha capensis and its fractions had good anti-inflammatory and antioxidant activities, supporting the medicinal use of this species against inflammation. Other species including Ficus elastica, Carpobrotus edulis, Cotyledon orbiculata and Senna italica also had good activity worthy of further investigation.
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Affiliation(s)
- Moise Ondua
- Phytomedicine Programme, Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort 0110, South Africa
| | - Emmanuel Mfotie Njoya
- Phytomedicine Programme, Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort 0110, South Africa
| | - Muna Ali Abdalla
- Phytomedicine Programme, Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort 0110, South Africa
| | - Lyndy J McGaw
- Phytomedicine Programme, Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort 0110, South Africa.
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Wong KC, Cao S, Dong X, Law MC, Chan TH, Wong MS. (-)-Epiafzelechin Protects against Ovariectomy-induced Bone Loss in Adult Mice and Modulate Osteoblastic and Osteoclastic Functions In Vitro. Nutrients 2017; 9:nu9050530. [PMID: 28531166 PMCID: PMC5452259 DOI: 10.3390/nu9050530] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 05/08/2017] [Accepted: 05/11/2017] [Indexed: 01/01/2023] Open
Abstract
The present study was designed to characterize the bone protective effects of (-)-epiafzelechin (EAF), a flavan-3-ol, in mature ovariectomized mice model and its ability to stimulate osteoblastic activity and inhibit osteoclastic activity. Mature C57BL/6 mice (three to four months old) were either ovariectomised (OVX) or sham-operated and subjected to treatment (vehicle, 17β-oestradiol (E2, 200 μg/kg/day) or EAF (500 μg/kg/day) orally for six weeks. EAF and E2 significantly reduced urinary calcium (Ca) excretion, serum osteocalcin (OCN), and urinary deoxy-pyridinoline (DPD); increased bone mineral density (BMD); and improved micro-architectural properties in OVX mice. EAF significantly increased cell viability, alkaline phosphatise (ALP) activity, and collagen content, as well as runt-related transcriptional factor 2 (Runx2) mRNA expression in murine osteoblastic MC3T3-E1 cells. In addition, EAF significantly reduced the viability of osteoclast precursor murine leukemia monocyte RAW 264.7 cells and tartrate-resistant acid phosphatase (TRAP) activities in mature osteoclastic RAW 264.7 cells. EAF is a bioactive flavan-3-ol that protects estrogen deficiency-induced bone loss in OVX mice and exerts direct modulating effects in bone cells in vitro.
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Affiliation(s)
- Ka-Chun Wong
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), Shenzhen 518057, China.
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
| | - Sisi Cao
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), Shenzhen 518057, China.
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
| | - Xiaoli Dong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
- Shenzhen Key Laboratory of Food Biological Safety Control, Shenzhen 518057, China.
| | - Man-Chun Law
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
| | - Tak-Hang Chan
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
- Department of Chemistry, McGill University, Montréal, QC H3A 0B8, Canada.
| | - Man-Sau Wong
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), Shenzhen 518057, China.
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
- Shenzhen Key Laboratory of Food Biological Safety Control, Shenzhen 518057, China.
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12
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Venkatesha SH, Astry B, Nanjundaiah SM, Kim HR, Rajaiah R, Yang Y, Tong L, Yu H, Berman BM, Moudgil KD. Control of autoimmune arthritis by herbal extracts and their bioactive components. Asian J Pharm Sci 2016. [DOI: 10.1016/j.ajps.2016.02.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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13
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Wong KC, Law MC, Wong MS, Chan TH. Development of a UPLC–MS/MS bioanalytical method for the pharmacokinetic study of (−)-epiafzelechin, a flavan-3-ol with osteoprotective activity, in C57BL/6J mice. J Chromatogr B Analyt Technol Biomed Life Sci 2014; 967:162-7. [DOI: 10.1016/j.jchromb.2014.07.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Revised: 07/15/2014] [Accepted: 07/20/2014] [Indexed: 11/30/2022]
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14
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Wang LY, Wu J, Yang Z, Wang XJ, Fu Y, Liu SZ, Wang HM, Zhu WL, Zhang HY, Zhao WM. (M)- and (P)-bicelaphanol A, dimeric trinorditerpenes with promising neuroprotective activity from Celastrus orbiculatus. JOURNAL OF NATURAL PRODUCTS 2013; 76:745-749. [PMID: 23421714 DOI: 10.1021/np3008182] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
(M)-Bicelaphanol A (1) and (P)-bicelaphanol A (2), two unprecedented dimeric trinorditerpenes existing as atropisomers, together with their monomer celaphanol A (3), were isolated from the root bark of Celastrus orbiculatus. The structures and absolute configurations of 1 and 2 were determined by spectroscopic and single-crystal X-ray diffraction analyses. Compound 1 exhibited a significant in vitro neuroprotective effect against a hydrogen peroxide-induced cell viability decrease in PC12 cells at 1 μM, while compounds 2 and 3 showed such effects at 10 μM.
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Affiliation(s)
- Luo-Yi Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
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15
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CHEN YZ, LI ZR, UNG CY. COMPUTATIONAL METHOD FOR DRUG TARGET SEARCH AND APPLICATION IN DRUG DISCOVERY. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2012. [DOI: 10.1142/s0219633602000166] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Ligand-protein inverse docking has recently been introduced as a computer method for identification of potential protein targets of a drug. A protein structure database is searched to find proteins to which a drug can bind or weakly bind. Examples of potential applications of this method in facilitating drug discovery include: (1) identification of unknown and secondary therapeutic targets of a drug, (2) prediction of potential toxicity and side effect of an investigative drug, and (3) probing molecular mechanism of bioactive herbal compounds such as those extracted from plants used in traditional medicines. This method and recent results on its applications in solving various drug discovery problems are reviewed.
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Affiliation(s)
- Y. Z. CHEN
- Department of Computational Science, National University of Singapore, Blk Soc1, Level 7, 3 Science Drive 2, Singapore 117543, Singapore
- Singapore-MIT alliance, National University of Singapore, E4-04-10, 4 Engineering Drive 3, Singapore 117576, Singapore
| | - Z. R. LI
- Department of Computational Science, National University of Singapore, Blk Soc1, Level 7, 3 Science Drive 2, Singapore 117543, Singapore
- Singapore-MIT alliance, National University of Singapore, E4-04-10, 4 Engineering Drive 3, Singapore 117576, Singapore
| | - C. Y. UNG
- Department of Computational Science, National University of Singapore, Blk Soc1, Level 7, 3 Science Drive 2, Singapore 117543, Singapore
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16
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Galvez-Llompart M, Zanni R, García-Domenech R. Modeling natural anti-inflammatory compounds by molecular topology. Int J Mol Sci 2011; 12:9481-503. [PMID: 22272145 PMCID: PMC3257142 DOI: 10.3390/ijms12129481] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2011] [Revised: 12/08/2011] [Accepted: 12/09/2011] [Indexed: 12/25/2022] Open
Abstract
One of the main pharmacological problems today in the treatment of chronic inflammation diseases consists of the fact that anti-inflammatory drugs usually exhibit side effects. The natural products offer a great hope in the identification of bioactive lead compounds and their development into drugs for treating inflammatory diseases. Computer-aided drug design has proved to be a very useful tool for discovering new drugs and, specifically, Molecular Topology has become a good technique for such a goal. A topological-mathematical model, obtained by linear discriminant analysis, has been developed for the search of new anti-inflammatory natural compounds. An external validation obtained with the remaining compounds (those not used in building up the model), has been carried out. Finally, a virtual screening on natural products was performed and 74 compounds showed actual anti-inflammatory activity. From them, 54 had been previously described as anti-inflammatory in the literature. This can be seen as a plus in the model validation and as a reinforcement of the role of Molecular Topology as an efficient tool for the discovery of new anti-inflammatory natural compounds.
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Affiliation(s)
- María Galvez-Llompart
- Molecular Connectivity & Drug Design Research Unit, Department of Physical Chemistry, Faculty of Pharmacy, University of Valencia, Avenida V.A. Estelles s/n, Burjasot, Valencia 46100, Spain; E-Mails: (M.G.-L.); (R.Z.)
| | - Riccardo Zanni
- Molecular Connectivity & Drug Design Research Unit, Department of Physical Chemistry, Faculty of Pharmacy, University of Valencia, Avenida V.A. Estelles s/n, Burjasot, Valencia 46100, Spain; E-Mails: (M.G.-L.); (R.Z.)
- Department of Pharmacology, Faculty of Pharmacy, University of Bologna, Via Irnerio, Bologna 48-40126, Italy
| | - Ramón García-Domenech
- Molecular Connectivity & Drug Design Research Unit, Department of Physical Chemistry, Faculty of Pharmacy, University of Valencia, Avenida V.A. Estelles s/n, Burjasot, Valencia 46100, Spain; E-Mails: (M.G.-L.); (R.Z.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +34-963544291; Fax: +34-963544892
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17
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Park HJ, Cha DS, Jeon H. Antinociceptive and hypnotic properties of Celastrus orbiculatus. JOURNAL OF ETHNOPHARMACOLOGY 2011; 137:1240-1244. [PMID: 21821110 DOI: 10.1016/j.jep.2011.07.052] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Revised: 06/15/2011] [Accepted: 07/20/2011] [Indexed: 05/31/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Celastrus orbiculatus, a woody vine of the Celastraceae family, has been widely used as a traditional medicine for the treatment of many diseases, including rheumatoid arthritis and odontalgia. In this study, we assessed the sedative and antinociceptive activities of the methanolic extract of Celastrus orbiculatus (MCO). MATERIALS AND METHODS The antinociceptive effect of MCO was evaluated using several experimental pain models, including thermal nociception methods, such as the tail immersion and the hotplate tests, as well as chemical nociception induced by intraperitoneal acetic acid and subplantar formalin administration in mice. To verify the possible connection of the opioid receptor to the antinociceptive activity of MCO, we performed a combination test with naloxone, a nonselective opioid receptor antagonist. The sedative effect of MCO was studied using the pentobarbital-induced sleeping model. RESULTS MCO demonstrated strong and dose-dependent antinociceptive activity compared to tramadol and indomethacin in various experimental pain models. The combination test using naloxone revealed that the antinociceptive activity of MCO is associated with activation of the opioid receptor. MCO also caused decreased sleep latency and increased sleeping time in the pentobarbital-induced sleeping model; however, MCO alone did not induce sleep. CONCLUSIONS In the present study, MCO showed potent antinociceptive and sedative activities. Based on these results, MCO may be considered a valuable anti-nociceptive and hypnotic agent for the treatment of various diseases.
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Affiliation(s)
- Ho Joon Park
- College of Pharmacy, Woosuk University, Chonbuk 565-701, Republic of Korea
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18
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Tai BH, Trung TN, Nhiem NX, Ha DT, Van Men C, Duong VB, Van Luong H, Song S, Bae K, Kim YH. A new flavan-3-ol and the anti-inflammatory effect of flavonoids from the fruit peels of Wisteria floribunda. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2011; 13:1061-1068. [PMID: 21985227 DOI: 10.1080/10286020.2011.603306] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
A new flavan-3-ol, (+)-afzelechin 5-O-β-d-glucopyranoside (2), together with 13 known flavonoids (1, 3-14), was isolated from the fruit peels of Wisteria floribunda. Their structures were assigned by detailed interpretation of NMR, MS, and CD spectroscopic data, as well as by comparing with published reports. The in vitro anti-inflammatory activity of the isolated compounds (1-14) was examined. Among them, compounds 3, 6, and 9 produced highest inhibitory effects on tumor necrosis factor alpha (TNF-α)-induced nuclear factor kappa-B activation in HepG2 cells with IC(50) values of 14.1, 16.5, and 11.9 μM, respectively. With the exception of compound 6, the compounds significantly inhibited the accumulation of pro-inflammatory inducible nitric oxide synthase and cyclooxygenase-2 proteins in TNF-α-stimulated HepG2 cells at a concentration as low as 0.1 μM.
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Affiliation(s)
- Bui Huu Tai
- College of Pharmacy, Chungnam National University, Daejeon, 305-764, Korea
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19
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Tai BH, Trung TN, Nhiem, NX, Ha DT, Phuong TT, Thu NB, Luong HV, Bae KH, Kim YH. Chemical Components from the Fruit Peels of Wisteria floribunda and their Effects on Rat Aortic Vascular Smooth Muscle Cells. B KOREAN CHEM SOC 2011. [DOI: 10.5012/bkcs.2011.32.6.2079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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20
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Seccon A, Rosa DW, Freitas RA, Biavatti MW, Creczynski-Pasa TB. Antioxidant activity and low cytotoxicity of extracts and isolated compounds from Araucaria angustifolia dead bark. Redox Rep 2011; 15:234-42. [PMID: 21208522 DOI: 10.1179/135100010x12826446921789] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
The antioxidant activities of the extract and its relevant fraction as well as isolated compounds from the dead bark of Araucaria angustifolia are presented. This tree represents the Mixed Ombrophile Forest, which is endangered due to extensive logging. The dead bark of Araucaria is naturally discarded by the tree, and its hydroalcoholic crude extract has exhibited protective qualities against stress induced by H(2)O(2) in cell culture. Using several in vitro models, here we describe the antioxidant potential of the crude extract and its component ethyl acetate fraction and also of some compounds isolated from the ethyl acetate fraction. We provide the first description of the isolation of two natural product afzelechin derivatives. The extract and isolated compounds, particularly epiafzelechin protocatechuate (5), displayed very high antioxidant activity, as did compound 4, quercetin, which is well known for its antioxidant properties. In a DPPH assay, compound 5 exhibited an IC(50) of 0.7 μM; in a lipid peroxidation assay; IC(50) values of 21 μM and 35 μM were obtained when the oxidation was induced by UV and ascorbate free radicals, respectively.
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Affiliation(s)
- Andrea Seccon
- Departamento de Ciências Farmacêuticas, CCS, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
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21
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Ohmori K, Yano T, Suzuki K. General synthesis of epi-series catechins and their 3-gallates: reverse polarity strategy. Org Biomol Chem 2010; 8:2693-6. [DOI: 10.1039/c003464a] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Complementary and alternative medicine use in rheumatoid arthritis: proposed mechanism of action and efficacy of commonly used modalities. Rheumatol Int 2009; 30:571-86. [DOI: 10.1007/s00296-009-1206-y] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2009] [Accepted: 10/06/2009] [Indexed: 10/20/2022]
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23
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Su XH, Zhang ML, Zhan WH, Huo CH, Shi QW, Gu YC, Kiyota H. Chemical and Pharmacological Studies of the Plants from GenusCelastrus. Chem Biodivers 2009; 6:146-61. [DOI: 10.1002/cbdv.200700403] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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24
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Yang XW, Li SM, Feng L, Shen YH, Tian JM, Zeng HW, Liu XH, Shan L, Su J, Zhang C, Zhang WD. Abiesanol A, a novel biflavanol with unique six connective hexacyclic rings isolated from Abies georgei. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.03.065] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Xu J, Guo YQ, Li X, Wei K, Zhao XJ. Cytotoxic sesquiterpenoids from the ethanol extract of fruits of Celastrus orbiculatus. JOURNAL OF ETHNOPHARMACOLOGY 2008; 117:175-177. [PMID: 18337031 DOI: 10.1016/j.jep.2008.01.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2007] [Revised: 12/11/2007] [Accepted: 01/26/2008] [Indexed: 05/26/2023]
Abstract
AIM OF THE STUDY To investigate the cytotoxic compounds against human melanoma A375-S2 and human cervical carcinoma Hela cell lines from the fruits of Celastrus orbiculatus. MATERIALS AND METHODS The ethanol extract of the fruits of C. orbiculatus was found to exhibit significant cytotoxic activity. After partition, the column chromatography and Semi-preparative HPLC were used for activity guided fractionation from the active petroleum ether-soluble part. NMR and ESI-MS spectra for structure analysis were recorded on spectrometers, respectively. The cytotoxic activities of the isolated compounds were determined using the MTT assay. RESULTS Four sesquiterpenoids (1-4) were isolated by activity guided fractionation from the ethanol extract of the fruits of C. orbiculatus. Compounds 1-3 exhibited promising cytotoxicities against the Hela cells and A375-S2 cells. The cytotoxic activities of compounds 1-3 seemed to be dose-dependent, which exhibited more potent inhibition for the proliferation of two cell lines when increased the concentrations of every compounds. Among these compounds, compound 2 showed most cytotoxicities against either Hela cells or the A375-S2 cells. CONCLUSIONS The cytotoxic activity of the ethanol extract of fruits of C. orbiculatus against human melanoma A375-S2 and human cervical carcinoma Hela cells due to its content of sesquiterpenoids, supports its potential therapeutic value for the treatment of tumor.
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Affiliation(s)
- Jing Xu
- Department of Pharmaceutical Sciences, Nankai University, Tianjin 300071, PR China
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Tong L, Moudgil KD. Celastrus aculeatus Merr. suppresses the induction and progression of autoimmune arthritis by modulating immune response to heat-shock protein 65. Arthritis Res Ther 2008; 9:R70. [PMID: 17645785 PMCID: PMC2206370 DOI: 10.1186/ar2268] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2007] [Revised: 06/15/2007] [Accepted: 07/23/2007] [Indexed: 01/04/2023] Open
Abstract
Complementary and alternative medicine products are increasingly being used for the treatment of autoimmune diseases. However, the mechanisms of action of these agents are not fully defined. Using the rat adjuvant arthritis (AA) model of human rheumatoid arthritis, we determined whether the ethanol extract of Celastrus aculeatus Merr. (Celastrus), a Chinese herb, can down-modulate the severity of AA, and also examined the Celastrus-induced changes in immune responses to the disease-related antigen mycobacterial heat-shock protein 65 (Bhsp65). AA was induced in the Lewis (LEW; RT.1l) rat by immunization subcutaneously with heat-killed M. tuberculosis H37Ra (Mtb). Celastrus was fed to LEW rats by gavage daily, beginning either before Mtb challenge (preventive regimen) or after the onset of AA (therapeutic regimen). An additional group of rats was given methotrexate for comparison. All rats were graded regularly for the signs of arthritis. In parallel, the draining lymph node cells of Celastrus-treated rats were tested for proliferative and cytokine responses, whereas their sera were tested for the inflammatory mediator nitric oxide. Celastrus feeding suppressed both the induction as well as the progression of AA, and the latter effect was comparable to that of methotrexate. Celastrus treatment induced relative deviation of the cytokine response to anti-inflammatory type and enhanced the production of anti-Bhsp65 antibodies, which are known to be protective against AA. Celastrus feeding also reduced the levels of nitric oxide. On the basis of our results, we suggest further systematic exploration of Celastrus as an adjunct therapeutic modality for rheumatoid arthritis.
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Affiliation(s)
- Li Tong
- Department of Microbiology and Immunology, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Kamal D Moudgil
- Department of Microbiology and Immunology, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Division of Rheumatology, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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Abstract
Dihydro-Beta-agarofuran sesquiterpenoids are a structurally diverse class of natural products based on tricyclic 5,11-epoxy-5Beta,10alpha-eudesman-4-(14)-ene skeleton. Between January 1990 and June 2006, 462 new dihydro-Beta-agarofuran sesquiterpenoids of 74 structural types have been isolated from about 64 species of Celastraceae, 3 species of Hippocrateaceae and one species of Lamiaceae. The present review covers the chemical and biological activity research of dihydro-Beta-agarofuran sesquiterpenoids in the past 16 years. The chemical research includes structural classification into sesquiterpene polyesters and macrolide sesquiterpene pyridine alkaloids, synthesis of dihydro-Beta-agarofuran as well as extraction, isolation and purification methods. The biological activity research includes activities such as multidrug resistance (MDR) reversal activity, HIV inhibition, cytotoxicity, antitumor activity, antifeedant activity and insecticidal activity with some insights to their modes of actions.
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Affiliation(s)
- Jin-Ming Gao
- College of Sciences, Northwest A & F University, Yangling, Shaanxi 712100, China.
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Correia H, González-Paramás A, Amaral MT, Santos-Buelga C, Batista MT. Characterisation of polyphenols by HPLC-PAD-ESI/MS and antioxidant activity in Equisetum telmateia. PHYTOCHEMICAL ANALYSIS : PCA 2005; 16:380-7. [PMID: 16223097 DOI: 10.1002/pca.864] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The antioxidant activity of an aqueous extract (infusion) and respective ethyl acetate fraction of Equisetum telmateia Ehrh. (Equisetaceae), a plant used in traditional medicine for its anti-inflammatory and diuretic properties, has been evaluated by DPPH, TEAC and TBARS assays. A high and significant antioxidant activity was detected in the ethyl acetate fraction. Analysis of the aqueous extract and the ethyl acetate fraction by HPLC-PAD-ESI/MS allowed the identification of the major phenolic compounds as flavan-3-ol, kaempferol and phenolic acid derivatives. Among the flavan-3-ols, A-type proanthocyanidins and afzelechin derivatives were detected as well as the more common B-type procyanidins, B2 and C1, whose identification was further confirmed by HPLC using detection involving chemical reaction with p-dimethylamino-cinnamaldehyde. The results suggest that the anti-inflammatory activity of E. telmateia could be due, at least in part, to the presence of compounds with antioxidant activity.
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Affiliation(s)
- Helena Correia
- Centro de Estudos Farmacêuticos and Laboratório de Farmacognosia, Faculdade de Farmácia Universidade de Coimbra, Portugal
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Jia QI. Generating and Screening a Natural Product Library for CYclooxygenase and Lipoxygenase Dual Inhibitors. BIOACTIVE NATURAL PRODUCTS (PART J) 2003. [DOI: 10.1016/s1572-5995(03)80016-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Chen YZ, Ung CY. Computer automated prediction of potential therapeutic and toxicity protein targets of bioactive compounds from Chinese medicinal plants. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2002; 30:139-54. [PMID: 12067089 DOI: 10.1142/s0192415x02000156] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Understanding the molecular mechanism and pharmacology of bioactive compounds from Chinese medicinal plants (CMP) is important in facilitating scientific evaluation of novel therapeutic approaches in traditional Chinese medicine. It is also of significance in new drug development based on the mechanism of Chinese medicine. A key step towards this task is the determination of the therapeutic and toxicity protein targets of CMP compounds. In this work, newly developed computer software INVDOCK is used for automated identification of potential therapeutic and toxicity targets of several bioactive compounds isolated from Chinese medicinal plants. This software searches a protein database to find proteins to which a CMP compound can bind or weakly bind. INVDOCK results on three CMP compounds (allicin, catechin and camptotecin) show that 60% of computer-identified potential therapeutic protein targets and 27% of computer-identified potential toxicity targets have been implicated or confirmed by experiments. This software may potentially be used as a relatively fast-speed and low-cost tool for facilitating the study of molecular mechanism and pharmacology of bioactive compounds from Chinese medicinal plants and natural products from other sources.
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Affiliation(s)
- Y Z Chen
- Department of Computational Science, National University of Singapore, Singapore.
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