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Zhang S, Huang J, Fu J, Qin Y, Zhang X, Yao X, Zhu L, Liu H. Structurally Diverse Phenylpropanamides from Cannabis Fructus and Their Potential Neuroprotective Effects. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:12100-12118. [PMID: 38748649 DOI: 10.1021/acs.jafc.4c00242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
This study aimed to investigate the chemical components and potential health benefits of the fruits of Cannabis sativa L. Fourteen new phenylpropanamides designated as cannabisin I-XIV (1-14) and 40 known analogs were isolated and characterized via nuclear magnetic resonance spectroscopy, high-resolution electrospray ionization mass spectrometry, and electronic circular dichroism. In vitro bioassay using H2O2-induced PC12 cell damage models demonstrated that hempseeds extract and compounds 1, 3, 15, 26, 30, 36, 41, and 48 exhibited neuroprotective properties. 3,3'-Demethylgrossamide (30) displayed encouraging protection activity, which was further investigated to relieve the oxidative stress and apoptosis of PC12 cells treated with H2O2. The isolation and characterization of these neuroprotective phenylpropanamides from the fruits of C. sativa provide insights into its health-promoting properties as a healthy food and herbal medicine for preventing and treating neurodegenerative diseases, especially Alzheimer's disease.
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Affiliation(s)
- Shipeng Zhang
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Jintian Huang
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Jiahui Fu
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
- Department of Pharmacy, Hangzhou First People's Hospital, Hangzhou 310006, PR China
| | - Yu Qin
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Xue Zhang
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Xinsheng Yao
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Lingjuan Zhu
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Hongwei Liu
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
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van Zadelhoff A, de Bruijn WJ, Vincken JP. Comment on "Three New Dimers and Two Monomers of Phenolic Amides from the Fruits of Lycium barbarum and Their Antioxidant Activities". JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:6781-6786. [PMID: 38470138 PMCID: PMC10979425 DOI: 10.1021/acs.jafc.3c08738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/12/2024] [Accepted: 03/04/2024] [Indexed: 03/13/2024]
Abstract
This Comment critically addresses the article by Gao et al. (Gao, K., et al. J. Agric. Food Chem. 2015, 63, 1067-1075), providing the structural elucidation of three phenolamide dimers (neolignanamides) from the fruits of Lycium barbarum. A more recent article published by Chen et al. (Chen, H., et al. J. Agric. Food Chem. 2023, 71, 11080-11093) incorporates these structures into further research on the bioactivity of these compounds. Although the analytical techniques used by Gao et al. are adequate, in our opinion, the nuclear magnetic resonance (NMR) spectroscopic data have not been interpreted correctly, resulting in incorrect structures for three neolignanamides from the fruits of L. barbarum. In this Comment, an alternative interpretation of the NMR spectroscopic data and the corresponding structures are proposed. The proposed structures feature linkage types that are much more common for neolignanamides than the linkage types in the originally reported structures of these compounds.
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Affiliation(s)
- Annemiek van Zadelhoff
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Wouter J.C. de Bruijn
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Jean-Paul Vincken
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
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3
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Li X, Yan S, Lu J, Wang R, Ma X, Xiao X, Zhang Y, Jin H. Two new phenolic amides from Allium chinense with protective effect for myocardium cells. CHINESE HERBAL MEDICINES 2023. [DOI: 10.1016/j.chmed.2022.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023] Open
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4
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Yang P, Jia Q, Song S, Huang X. [2 + 2]-Cycloaddition-derived cyclobutane natural products: structural diversity, sources, bioactivities, and biomimetic syntheses. Nat Prod Rep 2023. [DOI: 10.1039/d2np00034b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review summarizes the structural diversity, bioactivities, and biomimetic synthesis of [2 + 2]-type cyclobutane natural products, along with discussion of their biosynthesis, stereochemical analysis, racemic occurrence, and biomimetic synthesis.
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Affiliation(s)
- Peiyuan Yang
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, China
| | - Qi Jia
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, China
| | - Shaojiang Song
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, China
| | - Xiaoxiao Huang
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, China
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5
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Bioactive Phenolic Compounds from Peperomia obtusifolia. Molecules 2022; 27:molecules27144363. [PMID: 35889234 PMCID: PMC9315869 DOI: 10.3390/molecules27144363] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 02/01/2023] Open
Abstract
Peperomia obtusifolia (L.) A. Dietr., native to Middle America, is an ornamental plant also traditionally used for its mild antimicrobial properties. Chemical investigation on the leaves of P. obtusifolia resulted in the isolation of two previously undescribed compounds, named peperomic ester (1) and peperoside (2), together with five known compounds, viz. N-[2-(3,4-dihydroxyphenyl)ethyl]-3,4-dihydroxybenzamide (3), becatamide (4), peperobtusin A (5), peperomin B (6), and arabinothalictoside (7). The structures of these compounds were elucidated by 1D and 2D NMR techniques and HREIMS analyses. Compounds 1–7 were evaluated for their anthelmintic (against Caenorhabditis elegans), antifungal (against Botrytis cinerea, Septoria tritici and Phytophthora infestans), antibacterial (against Bacillus subtilis and Aliivibrio fischeri), and antiproliferative (against PC-3 and HT-29 human cancer cell lines) activities. The known peperobtusin A (5) was the most active compound against the PC-3 cancer cell line with IC50 values of 25.6 µM and 36.0 µM in MTT and CV assays, respectively. This compound also induced 90% inhibition of bacterial growth of the Gram-positive B. subtilis at a concentration of 100 µM. In addition, compound 3 showed anti-oomycotic activity against P. infestans with an inhibition value of 56% by using a concentration of 125 µM. However, no anthelmintic activity was observed.
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Yang F, Li H, Yang YQ, Hou Y, Liang D. Lignanamides from the stems of Piper hancei maxim. and their anti-inflammatory and cytotoxic activities. Fitoterapia 2022; 161:105231. [PMID: 35697208 DOI: 10.1016/j.fitote.2022.105231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/03/2022] [Accepted: 06/04/2022] [Indexed: 11/04/2022]
Abstract
Four new lignanamides, hancamides A - D (1-4), together with four known analogs (5-8), were isolated from the stems of Piper hancei Maxim. Their structures were determined based on 1D and 2D NMR, IR, UV, and HR-ESIMS spectroscopic analysis as well as by comparison with the reported data. All the isolates exhibited potential inhibitory effects on NO production in LPS-induced BV-2 microglial cells, with IC50 values of 4.26-40.68 μM. Moreover, compounds 2 and 8 displayed moderate cytotoxic activities against MGC-803, HepG2, SKOV-3, T24, and HeLa cells, with IC50 values ranging from 13.57 to 34.20 μM, respectively.
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Affiliation(s)
- Fan Yang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Hua Li
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Yan-Qiu Yang
- College of Life and Health Sciences, Northeastern University, Shenyang 110819, People's Republic of China
| | - Yue Hou
- College of Life and Health Sciences, Northeastern University, Shenyang 110819, People's Republic of China
| | - Dong Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, People's Republic of China.
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7
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Development of Pyrimidine- Cinnamamide Hybrids as Potential Anticancer agents: A Rational Design Approach. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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8
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Wang L, Wang S, Yao Q, Wang B, Duan W, Zhou H, Duan K. Chemical constituents of Peperomia tetraphylla (Forst. F.) Hooker et Arnott. BIOCHEM SYST ECOL 2021. [DOI: 10.1016/j.bse.2021.104342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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9
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van Zadelhoff A, de Bruijn WJC, Fang Z, Gaquerel E, Ishihara A, Werck-Reichhart D, Zhang P, Zhou G, Franssen MCR, Vincken JP. Toward a Systematic Nomenclature for (Neo)Lignanamides. JOURNAL OF NATURAL PRODUCTS 2021; 84:956-963. [PMID: 33787264 PMCID: PMC8155391 DOI: 10.1021/acs.jnatprod.0c00792] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Indexed: 05/26/2023]
Abstract
Phenylalkenoic acid amides, often referred to as phenol amides or hydroxycinnamic acid amides, are bioactive phytochemicals, whose bioactivity can be enhanced by coupling to form dimers or oligomers. Phenylalkenoic acid amides consist of a (hydroxy)cinnamic acid derivative (i.e., the phenylalkenoic acid subunit) linked to an amine-containing compound (i.e., the amine subunit) via an amide bond. The phenylalkenoic acid moiety can undergo oxidative coupling, either catalyzed by oxidative enzymes or due to autoxidation, which leads to the formation of (neo)lignanamides. Dimers described in the literature are often named after the species in which the compound was first discovered; however, the naming of these compounds lacks a systematic approach. We propose a new nomenclature, inspired by the existing system used for hydroxycinnamic acid dimers and lignin. In the proposed systematic nomenclature for (neo)lignanamides, compound names will be composed of three-letter codes and prefixes denoting the subunits, and numbers that indicate the carbon atoms involved in the linkage between the monomeric precursors. The proposed nomenclature is consistent, future-proof, and systematic.
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Affiliation(s)
- Annemiek van Zadelhoff
- Laboratory
of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Wouter J. C. de Bruijn
- Laboratory
of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Zhongxiang Fang
- School
of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Vic 3010, Australia
| | - Emmanuel Gaquerel
- Institut
de Biologie Moléculaire des Plantes du Centre National de la
Recherche Scientifique (CNRS), Université
de Strasbourg, Strasbourg, 67084 France
| | - Atsushi Ishihara
- Faculty
of Agriculture, Tottori University, 4-101, Koyama-cho, Minami, Tottori 680-8553, Japan
| | - Danièle Werck-Reichhart
- Institut
de Biologie Moléculaire des Plantes du Centre National de la
Recherche Scientifique (CNRS), Université
de Strasbourg, Strasbourg, 67084 France
| | - Pangzhen Zhang
- School
of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Vic 3010, Australia
| | - Guangxiong Zhou
- Guangdong
Province Key Laboratory of Pharmacodynamic Constituents of TCM and
New Drugs Research, Institute of Traditional Chinese Medicine and
Natural Products, College of Pharmacy, Jinan
University, Guangzhou 510632, China
| | - Maurice C. R. Franssen
- Laboratory
of Organic Chemistry, Wageningen University, Stippeneng 4, 6708 WE Wageningen, The Netherlands
| | - Jean-Paul Vincken
- Laboratory
of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
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de Moraes MM, Kato MJ. Biosynthesis of Pellucidin A in Peperomia pellucida (L.) HBK. FRONTIERS IN PLANT SCIENCE 2021; 12:641717. [PMID: 33828573 PMCID: PMC8020151 DOI: 10.3389/fpls.2021.641717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 02/22/2021] [Indexed: 05/08/2023]
Abstract
Peperomia pellucida (L.) HBK (Piperaceae) ("jabuti herb") is an herbaceous plant that is widespread in the tropics and has several ethnomedicinal uses. The phytochemical study of leaf extracts resulted in the isolation of 2,4,5-trimethoxycinnamic acid, 5,6,7-trimethoxyflavone, 2,4,5-trimethoxystyrene, 2,4,5-trimethoxybenzaldehyde, dillapiol, and sesamin in addition to pellucidin A. The co-occurrence of styrene and cyclobutane dimers suggested the formation of pellucidin A by a photochemical [2+2] cycloaddition of two molecules of 2,4,5-trimethoxystyrene. To investigate this biogenesis, analysis of plant leaves throughout ontogeny and treatments such as drought, herbivory and, exposure to jasmonic acid and UV365 light were carried out. Significant increases in the content of dillapiol (up to 86.0%) were found when P. pellucida plants were treated with jasmonic acid, whereas treatment under UV365 light increase the pellucidin A content (193.2%). The biosynthetic hypothesis was examined by feeding various 13C-labeled precursors, followed by analysis with GC-MS, which showed incorporation of L-(2-13C)-phenylalanine (0.72%), (8-13C)-cinnamic acid (1.32%), (8-13C)-ferulic acid (0.51%), (8-13C)-2,4,5-trimethoxycinnamic acid (7.5%), and (8-13C)-2,4,5-trimethoxystyrene (12.8%) into pellucidin A. The enzymatic conversion assays indicated decarboxylation of 2,4,5-trimethoxycinnamic acid into 2,4,5-trimethoxystyrene, which was subsequently dimerized into pellucidin A under UV light. Taken together, the biosynthesis of pellucidin A in P. pellucida involves a sequence of reactions starting with L-phenylalanine, cinnamic acid, ferulic acid, 2,4,5-trimethoxycinnamic acid, which then decarboxylates to form 2,4,5-trimethoxystyrene and then is photochemically dimerized to produce pellucidin A.
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Affiliation(s)
| | - Massuo J. Kato
- Institute of Chemistry, University of São Paulo, São Paulo, Brazil
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11
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Molecular docking study of lignanamides from Cannabis sativa against P-glycoprotein. In Silico Pharmacol 2021; 9:6. [PMID: 33442533 DOI: 10.1007/s40203-020-00066-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 12/07/2020] [Indexed: 01/23/2023] Open
Abstract
P-glycoprotein (P-gp), which was first identified in cancer cells, is an ATP-dependent efflux transporter that expels a wide variety of cytotoxic compounds out of cells. This transporter can decrease the bioavailability of therapeutic drugs by preventing their sufficient intracellular accumulation. Over expression of P-gp in cancer cells lead to multidrug resistance (MDR) phenotype that is one of the main reasons for the failure of chemotherapy. Hence, P-gp inhibition is a favorable method to reverse MDR. In this study, the lignanamides from Cannabis sativa were docked against P-gp to recognize potential binding affinities of these phytochemicals. Tariquidar and zosuquidar, two well-known P-gp inhibitors, were selected as the control ligands. It was observed that cannabisin M and cannabisin N exhibited higher binding affinities (- 10.2 kcal/mol) to drug-binding pocket of P-gp when compared with tariquidar and zosuquidar that showed binding affinities of - 10.1 and - 9.6 kcal/mol, respectively. Based on these findings, cannabisin M and cannabisin N could be good drug candidates against P-gp.
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Leonard W, Zhang P, Ying D, Fang Z. Lignanamides: sources, biosynthesis and potential health benefits - a minireview. Crit Rev Food Sci Nutr 2020; 61:1404-1414. [PMID: 32366112 DOI: 10.1080/10408398.2020.1759025] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Lignanamides are natural plant secondary metabolites derived from oxidative coupling mechanism with hydroxycinnamic acid amides as intermediates. These compounds display powerful anti-inflammatory, antioxidant, anti-cancer and anti-hyperlipidemic capacities in vitro, cell culture and in vivo studies. With strong potential to be utilized as protective agents against human chronic diseases, these compounds have attracted the interest of researchers. This review aims to discuss current understanding on the sources, classification, biosynthesis of lignanamides in plants, and importantly their biological activity and potential health benefits. The general biosynthesis pathway for lignanamides is comprehensively summarized, though some details in molecular regulation of the coupling process have yet to be elucidated. Lignanamides deserves additional clinical studies involving animal and human subjects, to prove its health benefits.
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Affiliation(s)
- William Leonard
- School of Agriculture and Food, University of Melbourne, Parkville, Australia
| | - Pangzhen Zhang
- School of Agriculture and Food, University of Melbourne, Parkville, Australia
| | | | - Zhongxiang Fang
- School of Agriculture and Food, University of Melbourne, Parkville, Australia
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13
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Nor-Lignans: Occurrence in Plants and Biological Activities-A Review. Molecules 2020; 25:molecules25010197. [PMID: 31947789 PMCID: PMC6983269 DOI: 10.3390/molecules25010197] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 12/20/2019] [Accepted: 12/30/2019] [Indexed: 12/20/2022] Open
Abstract
In this review article, the occurrence of nor-lignans and their biological activities are explored and described. Nor-lignans have proven to be present in several different families also belonging to chemosystematically distant orders as well as to have many different beneficial pharmacological activities. This review article represents the first one on this argument and is thought to give a first overview on these compounds with the hope that their study may continue and increase, after this.
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Li Y, Liang M, Ma L, Chen Q, Huang X. A novel Ursane-type triterpene saponin from Ajuga multiflora. Nat Prod Res 2020; 34:300-304. [PMID: 30375259 DOI: 10.1080/14786419.2018.1527837] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 08/26/2018] [Accepted: 09/20/2018] [Indexed: 10/28/2022]
Abstract
A phytochemical study was carried out on Ajuga multiflora, and obtained a novel ursane-type triterpene saponin, i.e., 3-epi-ursolic acid 3-O-palmitoyl 28-O-α-L-arabinofuranosyl ester (1), named ajugoside. Its structure and relative configuration were identified mainly by spectroscopic methods including 1D- and 2D-NMR techniques as well as HR-MS analysis. This paper described the isolation and structural elucidation of ajugoside (1) for the first time.
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Affiliation(s)
- Yunzhi Li
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, P. R. China
| | - Mingli Liang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, P. R. China
- Collaborative Innovation Center of Yangtza River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Zhejiang, P. R. China
| | - Lu Ma
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, P. R. China
| | - Qi Chen
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, P. R. China
| | - Xian Huang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, P. R. China
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Gaikwad N, Nanduri S, Madhavi YV. Cinnamamide: An insight into the pharmacological advances and structure-activity relationships. Eur J Med Chem 2019; 181:111561. [PMID: 31376564 DOI: 10.1016/j.ejmech.2019.07.064] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 07/11/2019] [Accepted: 07/23/2019] [Indexed: 01/07/2023]
Abstract
The cinnamamide (cinnamic acid amide and cinnamide) is a privileged scaffold present widely in a number of natural products. The scaffold acts as a useful template for designing and arriving at newly drug-like molecules with potential pharmacological activity. An attempt has been made to review the extensive occurrence of cinnamamide scaffold in many lead compounds reported for treating various diseases, their binding interactions with the therapeutic targets as well as mechanism of action and their structure-activity relationships. The discoveries of cinnamamide systems and some examples of unusual cinnamamides having an aromatic, aliphatic, and heterocyclic or other rings condensed to the basic cinnamamide structure also have been extensively covered in this review.
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Affiliation(s)
- Nikhil Gaikwad
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), 40, Dilip Rd, Jinkalwada, Balanagar, Hyderabad, Telangana, 500037, India
| | - Srinivas Nanduri
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), 40, Dilip Rd, Jinkalwada, Balanagar, Hyderabad, Telangana, 500037, India
| | - Y V Madhavi
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), 40, Dilip Rd, Jinkalwada, Balanagar, Hyderabad, Telangana, 500037, India.
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Daub ME, Jung H, Lee BJ, Won J, Baik MH, Yoon TP. Enantioselective [2+2] Cycloadditions of Cinnamate Esters: Generalizing Lewis Acid Catalysis of Triplet Energy Transfer. J Am Chem Soc 2019; 141:9543-9547. [PMID: 31145856 DOI: 10.1021/jacs.9b04643] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We report the enantioselective [2+2] cycloaddition of simple cinnamate esters, the products of which are useful synthons for the controlled assembly of cyclobutane natural products. This method utilizes a cocatalytic system in which a chiral Lewis acid accelerates the transfer of triplet energy from an excited-state Ir(III) photocatalyst to the cinnamate ester. Computational evidence indicates that the principal role of the Lewis acid cocatalyst is to lower the absolute energies of the substrate frontier molecular orbitals, leading to greater electronic coupling between the sensitizer and substrate and increasing the rate of the energy transfer event. These results suggest Lewis acids can have multiple beneficial effects on triplet sensitization reactions, impacting both the thermodynamic driving force and kinetics of Dexter energy transfer.
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Affiliation(s)
- Mary Elisabeth Daub
- Department of Chemistry , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Hoimin Jung
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS) , Daejeon 34141 , Republic of Korea
| | - Byung Joo Lee
- Department of Chemistry , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Joonghee Won
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS) , Daejeon 34141 , Republic of Korea
| | - Mu-Hyun Baik
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS) , Daejeon 34141 , Republic of Korea
| | - Tehshik P Yoon
- Department of Chemistry , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
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Eklund P, Raitanen JE. 9-Norlignans: Occurrence, Properties and Their Semisynthetic Preparation from Hydroxymatairesinol. Molecules 2019; 24:molecules24020220. [PMID: 30634427 PMCID: PMC6358742 DOI: 10.3390/molecules24020220] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 12/27/2018] [Accepted: 12/28/2018] [Indexed: 11/16/2022] Open
Abstract
Lignans, neolignans, norlignans and norneolignans constitute a large class of phenolic natural compounds. 9-Norlignans, here defined to contain a β⁻β' bond between the two phenylpropanoid units and to lack carbon number 9 from the parent lignan structure, are the most rarely occurring compounds within this class of natural compounds. We present here an overview of the structure, occurrence and biological activity of thirty-five 9-norlignans reported in the literature to date. In addition, we report the semisynthetic preparation of sixteen 9-norlignans using the natural lignan hydroxymatairesinol obtained from spruce knots, as starting material. 9-Norlignans are shown to exist in different species and to have various biological activities, and they may therefore serve as lead compounds for example for the development of anticancer agents. Hydroxymatairesinol is shown to be a readily available starting material for the preparation of norlignans of the imperanene, vitrofolal and noralashinol family.
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Affiliation(s)
- Patrik Eklund
- Johan Gadolin Process Chemistry Centre, Laboratory of Organic Chemistry, Åbo Akademi University, Piispankatu 8, FIN-20500 Turku, Finland.
| | - Jan-Erik Raitanen
- Johan Gadolin Process Chemistry Centre, Laboratory of Organic Chemistry, Åbo Akademi University, Piispankatu 8, FIN-20500 Turku, Finland.
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18
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The natural phenolic peperobtusin A induces apoptosis of lymphoma U937 cells via the Caspase dependent and p38 MAPK signaling pathways. Biomed Pharmacother 2018; 102:772-781. [DOI: 10.1016/j.biopha.2018.03.141] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Revised: 03/21/2018] [Accepted: 03/22/2018] [Indexed: 11/20/2022] Open
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Shen L, Zhao K, Doitomi K, Ganguly R, Li YX, Shen ZL, Hirao H, Loh TP. Lewis Acid-Catalyzed Selective [2 + 2]-Cycloaddition and Dearomatizing Cascade Reaction of Aryl Alkynes with Acrylates. J Am Chem Soc 2017; 139:13570-13578. [PMID: 28880536 DOI: 10.1021/jacs.7b07997] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Combined Lewis acid, consisting of two or more Lewis acids, sometimes shows unique catalytic ability, and it may promote reactions which could not be catalyzed by any of the Lewis acids solely. On the other hand, the development of efficient methods for the facile synthesis of cyclobutenes and densely functionalized decalins is an attractive target for synthetic chemists due to their versatile synthetic utilities and widespread occurrence in natural products. Herein, we wish to report an efficient method for the assembly of cyclobutenes and densely functionalized decalin skeletons through In(tfacac)3-TMSBr catalyzed selective [2 + 2]-cycloaddition and dearomatizing cascade reaction of aryl alkynes with acrylates with high chemo- and stereoselectivity. The obtained cyclobutene could be easily converted into cyclobutane as well as synthetically useful 1,4- and 1,5-diketones with high chemo- and stereoselectivity. On the basis of mechanistic studies, plausible reaction mechanisms were proposed for both the [2 + 2]-cycloaddition and the dearomatizing cascade reaction. Finally, the computational studies of reaction mechanisms were conducted, and the results suggest that the combined Lewis acid could efficiently promote both reactions.
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Affiliation(s)
- Liang Shen
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore , 637371
| | - Kai Zhao
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University , Nanjing, Jiangsu, P. R. China , 210009.,Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore , 637371
| | - Kazuki Doitomi
- Department of Chemistry, City University of Hong Kong , Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Rakesh Ganguly
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore , 637371
| | - Yong-Xin Li
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore , 637371
| | - Zhi-Liang Shen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University , Nanjing, Jiangsu, P. R. China , 210009.,Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore , 637371
| | - Hajime Hirao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore , 637371.,Department of Chemistry, City University of Hong Kong , Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Teck-Peng Loh
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University , Nanjing, Jiangsu, P. R. China , 210009.,Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , Singapore , 637371
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Miller ZD, Lee BJ, Yoon TP. Enantioselective Crossed Photocycloadditions of Styrenic Olefins by Lewis Acid Catalyzed Triplet Sensitization. Angew Chem Int Ed Engl 2017; 56:11891-11895. [PMID: 28776908 PMCID: PMC5661956 DOI: 10.1002/anie.201706975] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 07/31/2017] [Indexed: 12/21/2022]
Abstract
The synthesis of unsymmetrical cyclobutanes by controlled heterodimerization of olefins remains a substantial challenge, particularly in an enantiocontrolled fashion. Shown herein is that chiral Lewis acid catalyzed triplet sensitization enables the synthesis of highly enantioenriched diarylcyclobutanes by photocycloaddition of structurally varied 2'-hydroxychalcones with a range of styrene coupling partners. The utility of this reaction is demonstrated through the direct synthesis of a representative norlignan cyclobutane natural product.
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Affiliation(s)
- Zachary D Miller
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI, 53726, USA
| | - Byung Joo Lee
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI, 53726, USA
| | - Tehshik P Yoon
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI, 53726, USA
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21
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Non-Clinical Studies for Evaluation of 8-C-Rhamnosyl Apigenin Purified from Peperomia obtusifolia against Acute Edema. Int J Mol Sci 2017; 18:ijms18091972. [PMID: 28906474 PMCID: PMC5618621 DOI: 10.3390/ijms18091972] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 09/09/2017] [Accepted: 09/09/2017] [Indexed: 01/02/2023] Open
Abstract
Compound 8-C-rhamnosyl apigenin (8CR) induced a moderate reduction in the enzymatic activity of secretory phospholipase A2 (sPLA2) from Crotalus durissus terrificus and cytosolic phospholipase A2 (cPLA2), but the compound also significantly inhibited the enzymatic activity of the enzyme cyclooxygenase. In vitro assays showed that the compound induced a slight change in the secondary structure of sPLA2 from Crotalus durissus terrificus snake venom. In vivo assays were divided into two steps. In the first step, the 8CR compound was administered by intraperitoneal injections 30 min prior to administration of sPLA2. In this condition, 8CR inhibited edema and myonecrosis induced by the sPLA2 activity of Crotalus durissus terrificus in a dose-dependent manner by decreasing interleukin-1β (IL-1β), tumor necrosis factor α (TNF-α), prostaglandin E2 (PGE2), and lipid peroxidation. This has been demonstrated by monitoring the levels of malondialdehyde (MDA) in rat paws after the course of edema induced by sPLA2. These results, for the first time, show that sPLA2 of Crotalus durissus terrificus venom induces massive muscle damage, as well as significant edema by mobilization of cyclooxygenase enzymes. Additionally, its pharmacological activity involves increased lipid peroxidation as well as TNF-α and IL-1β production. Previous administration by the peritoneal route has shown that dose-dependent 8CR significantly decreases the enzymatic activity of cyclooxygenase enzymes. This resulted in a decrease of the amount of bioactive lipids involved in inflammation; it also promoted a significant cellular protection against lipid peroxidation. In vivo experiments performed with 8CR at a concentration adjusted to 200 μg (8 mg/kg) of intraperitoneal injection 15 min after sPLA2 injection significantly reduced sPLA2 edema and the myotoxic effect induced by sPLA2 through the decrease in the enzymatic activity of cPLA2, cyclooxygenase, and a massive reduction of lipid peroxidation. These results clearly show that 8CR is a potent anti-inflammatory that inhibits cyclooxygenase-2 (COX-2), and it may modulate the enzymatic activity of sPLA2 and cPLA2. In addition, it was shown that Crotalus durissus terrificus sPLA2 increases cell oxidative stress during edema and myonecrosis, and the antioxidant properties of the polyphenolic compound may be significant in mitigating the pharmacological effect induced by sPLA2 and other snake venom toxins.
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Miller ZD, Lee BJ, Yoon TP. Enantioselective Crossed Photocycloadditions of Styrenic Olefins by Lewis Acid Catalyzed Triplet Sensitization. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706975] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zachary D. Miller
- Department of Chemistry; University of Wisconsin-Madison; 1101 University Avenue Madison WI 53726 USA
| | - Byung Joo Lee
- Department of Chemistry; University of Wisconsin-Madison; 1101 University Avenue Madison WI 53726 USA
| | - Tehshik P. Yoon
- Department of Chemistry; University of Wisconsin-Madison; 1101 University Avenue Madison WI 53726 USA
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Abstract
The Lycium genus is widely used as a traditional Chinese medicine and functional food. Many of the chemical constituents of the genus Lycium were reported previously. In this review, in addition to the polysaccharides, we have enumerated 355 chemical constituents and nutrients, including 22 glycerogalactolipids, 29 phenylpropanoids, 10 coumarins, 13 lignans, 32 flavonoids, 37 amides, 72 alkaloids, four anthraquinones, 32 organic acids, 39 terpenoids, 57 sterols, steroids, and their derivatives, five peptides and three other constituents. This comprehensive study could lay the foundation for further research on the Lycium genus.
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Zhang B, Huang R, Hua J, Liang H, Pan Y, Dai L, Liang D, Wang H. Antitumor lignanamides from the aerial parts of Corydalis saxicola. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2016; 23:1599-1609. [PMID: 27823624 DOI: 10.1016/j.phymed.2016.09.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 09/04/2016] [Accepted: 09/20/2016] [Indexed: 05/23/2023]
Abstract
BACKGROUND Cancer is one of the leading cause of unnatural death globally. There is still a great need for effective anticancer agents from plant sources. Corydalis saxicola Bunting is a medicinal plant that is traditionally used to treat various diseases in southwest China. Previous phytochemical investigations of C. saxicola have focused on isoquinoline alkaloids that have been isolated, which have activity against anti-hepatitis B virus and inhibit DNA topoisomerase I. However, the exploration of other classes of constituents and their bioactivities needs further study. PURPOSE The aim of this study was to investigate the antitumor activity of isolated lignanamides as well as their detailed cellular proliferation, suppression, and cytotoxic mechanisms. METHODS Herbs were extracted and constituents were purified by chromatographic separation, including silica gel, ODS, MCI, Sephadex LH-20 and Preparative HPLC. The compound structures were elucidated by the use of UV, IR, NMR and MS spectral data. The cytotoxicity effects of all compounds from the MGC-803, HepG2, T24, NCI-H460, Spca-2, and HL-7702 cell lines were studied by MTT assays. The induction of apoptosis by corydalisin C was investigated using acridine orange/ethidium bromide staining, Hoechst 33,258 staining, JC-1 mitochondrial membrane potential staining and flow cytometry. RESULTS Three new lignanamides, together with five known analogues, were isolated from the aerial parts of C. saxicola. Corydalisin C possessed the most potent inhibitory effects, with an IC50 value of 8.81 ± 2.05µM against MGC-803 cells. SAR analysis showed that the sterics and chirality of lignanamides play a crucial role in pharmacologically relevant events. The antitumor activity was possibly due to the induction of cell apoptosis. Western blot experiments demonstrated that corydalisin C may induce apoptosis through both intrinsic and extrinsic apoptosis pathways, accompanied by down-regulating the expression of Bcl-2 and FasL in a time-dependent manner. CONCLUSION This study provides evidence that a lignanamide from the ethyl acetate extract of whole plants of C. saxicola showing potential in cancer treatment.
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Affiliation(s)
- Bin Zhang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi, China
| | - Rizhen Huang
- Pharmaceutical Research Center and School of Chemistry and Chemical Engineering, Southeast University, Nanjing, Jiangsu, China
| | - Jing Hua
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi, China
| | - Hong Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi, China
| | - Yingming Pan
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi, China
| | - Lumei Dai
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi, China
| | - Dong Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi, China.
| | - Hengshan Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, Guangxi, China.
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Yu D, Yang X, Lu X, Shi L, Feng B. Ethyl acetate extract of Peperomia tetraphylla induces cytotoxicity, cell cycle arrest, and apoptosis in lymphoma U937 cells. Biomed Pharmacother 2016; 84:1802-1809. [PMID: 27847202 DOI: 10.1016/j.biopha.2016.10.092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Revised: 10/24/2016] [Accepted: 10/30/2016] [Indexed: 01/10/2023] Open
Abstract
The current study evaluated the cytotoxicity and the mechanism of apoptotic induction by Peperomia tetraphylla in U937 lymphoma cells. The results showed that P. tetraphylla ethyl acetate extract (EAEPT) inhibited the cell growth in U937 cells by MTT assay. After the U937 cells were treated with EAEPT, the cells exhibited marked morphological features of apoptosis (Hoechst 33342 staining) and the number of apoptotic cell (Annexin V-FITC/PI staining) increased. The treatment of EAEPT could induce loss of mitochondrial membrane potential (MMP) and increase the ROS level. Moreover, EAEPT treatment resulted in the accumulation of cells at S phase. We found that EAEPT could induce the cleavage of the caspase 3, caspase 8, caspase 9 and Bid. And the treatment of EAEPT could increase expression of Bax and down-regulate the expression of CCNB1, CCND1 and CDK1. The sub-fraction of EAEPT, namely EASub1 demonstrated the highest cytotoxicity activity on U937 cells. It was confirmed that EAEPT could inhibit the growth of U937 cells by blocking the cell cycle and prompted apoptosis via the ROS-medicated mitochondria pathway in vitro.
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Affiliation(s)
- Dayong Yu
- The School of Life Science and Biotechnology, Dalian University, Dalian 116622, PR China.
| | - Xiuxiu Yang
- The School of Life Science and Biotechnology, Dalian University, Dalian 116622, PR China
| | - Xuan Lu
- The School of Life Science and Biotechnology, Dalian University, Dalian 116622, PR China
| | - Liying Shi
- The School of Life Science and Biotechnology, Dalian University, Dalian 116622, PR China
| | - Baomin Feng
- The School of Life Science and Biotechnology, Dalian University, Dalian 116622, PR China.
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Abstract
Cannabisin B, a naturally occurring lignanamide, has been synthesised for the first time in 15% overall yield. The convergent synthesis is based on the Stobbe reaction and Friedel–Crafts alkylation reaction as the C–C bond-forming steps to afford the skeleton of the lignanamide which was then condensed with 4-methoxyphenethylamine to obtain Cannabisin B.
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Affiliation(s)
- Yamu Xia
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Huaizheng Zhang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Chenchen Li
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Gaochao Dong
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Zhen Liu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
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27
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dos S. Junior FM, Velozo LSM, de Carvalho EM, Marques AM, Borges RM, Trindade APF, dos Santos MIS, de Albuquerque ACF, Costa FL, Kaplan MAC, de Amorim MB. 3-Ishwarone, a rare ishwarane sesquiterpene from Peperomia scandens Ruiz & Pavon: structural elucidation through a joint experimental and theoretical study. Molecules 2013; 18:13520-9. [PMID: 24184821 PMCID: PMC6269709 DOI: 10.3390/molecules181113520] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Revised: 10/24/2013] [Accepted: 10/29/2013] [Indexed: 11/30/2022] Open
Abstract
3-Ishwarone, (1), a sesquiterpene with a rare ishwarane skeleton, was isolated from Peperomia scandens Ruiz & Pavon (Piperaceae). Its structure was unambiguously determined by 1D- and 2D-NMR and infrared analyses, as well as by comparative theoretical studies which involved calculations of 13C-NMR chemical shifts, using the Density Functional Theory (DFT) with the mPW1PW91 hybrid functional and Pople's 6-31G(d) basis set, and of vibrational frequencies, using the B3LYP hybrid functional and triple ζ Dunning's correlation consistent basis set (cc-pVTZ), of (1) and three of its possible diastereomers, compounds 2-4.
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Affiliation(s)
- Fernando M. dos S. Junior
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil; E-Mails: (F.M.S.J.); (L.S.M.V.); (A.M.M.); (R.M.B.); (A.P.F.T.); (A.C.F.A.); (F.L.P.C.); (M.A.C.K.); (M.B.A.)
| | - Leosvaldo S. M. Velozo
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil; E-Mails: (F.M.S.J.); (L.S.M.V.); (A.M.M.); (R.M.B.); (A.P.F.T.); (A.C.F.A.); (F.L.P.C.); (M.A.C.K.); (M.B.A.)
| | - Erika M. de Carvalho
- Instituto de Tecnologia em Fármacos, FAR-MANGUINHOS, Fiocruz, Rio de Janeiro, RJ, 22775-903, Brazil; E-Mail:
| | - André M. Marques
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil; E-Mails: (F.M.S.J.); (L.S.M.V.); (A.M.M.); (R.M.B.); (A.P.F.T.); (A.C.F.A.); (F.L.P.C.); (M.A.C.K.); (M.B.A.)
| | - Ricardo M. Borges
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil; E-Mails: (F.M.S.J.); (L.S.M.V.); (A.M.M.); (R.M.B.); (A.P.F.T.); (A.C.F.A.); (F.L.P.C.); (M.A.C.K.); (M.B.A.)
| | - Ana Paula F. Trindade
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil; E-Mails: (F.M.S.J.); (L.S.M.V.); (A.M.M.); (R.M.B.); (A.P.F.T.); (A.C.F.A.); (F.L.P.C.); (M.A.C.K.); (M.B.A.)
| | - Maria Isabel S. dos Santos
- Departamento de Produtos Naturais e Alimentos, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, 21941-590, Rio de Janeiro, RJ, Brazil; E-Mail:
| | - Ana Carolina F. de Albuquerque
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil; E-Mails: (F.M.S.J.); (L.S.M.V.); (A.M.M.); (R.M.B.); (A.P.F.T.); (A.C.F.A.); (F.L.P.C.); (M.A.C.K.); (M.B.A.)
| | - Fabio L.P. Costa
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil; E-Mails: (F.M.S.J.); (L.S.M.V.); (A.M.M.); (R.M.B.); (A.P.F.T.); (A.C.F.A.); (F.L.P.C.); (M.A.C.K.); (M.B.A.)
| | - Maria Auxiliadora C. Kaplan
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil; E-Mails: (F.M.S.J.); (L.S.M.V.); (A.M.M.); (R.M.B.); (A.P.F.T.); (A.C.F.A.); (F.L.P.C.); (M.A.C.K.); (M.B.A.)
| | - Mauro B. de Amorim
- Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil; E-Mails: (F.M.S.J.); (L.S.M.V.); (A.M.M.); (R.M.B.); (A.P.F.T.); (A.C.F.A.); (F.L.P.C.); (M.A.C.K.); (M.B.A.)
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