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Huyen LT, Thao LT, Hang Nga NT, Ly QTK, Son NT, Tai BH, Thinh NS, Kiem PV. Undescribed Lignanamide and Flavone C-Glucoside Isolated from the Aerial Parts of Piper Samentosum with NO Production Inhibitory Activity in LPS Activated RAW 264.7 Cells. Chem Biodivers 2024; 21:e202400518. [PMID: 38501574 DOI: 10.1002/cbdv.202400518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/19/2024] [Accepted: 03/19/2024] [Indexed: 03/20/2024]
Abstract
In this study, two undescribed compounds (1 and 2), together with eight known compounds (3-10) were isolated from the aerial parts of Piper samentosum by various chromatography methods. Their chemical structures were determined to be 7'''-oxolyciumamide N (1), vitexin 2''-O-β-D-(6'''-feruloyl)-glucopyranoside (2), 1,2-dihydro-6,8-dimethoxy-7-hydroxy-1-(3,4-dihydroxyphenyl)-N1,N2-bis-[2-(-hydroxyphenyl)ethyl]-2,3-napthalene dicarboamide (3), vitexin 6''-O-β-D-glucopyranoside (4), vitexin 2''-O-α-L-rhamnopyranoside (5), methyl 2-hydroxybenzoate-2-O-β-D-apiofuranosyl-(1→2)-O-β-D-glucopyranoside (6), ficuside G (7), methyl 2-O-β-D-glucopyranosylbenzoate (8), methyl 2,5-dihydroxybenzoate-5-O-β-D-glucopyranoside (9), and 3,7-dimethyloct-1-ene-3,6,7-triol 6-O-β-D-glucopyranoside (10) by spectroscopic data analysis including HR-ESI-MS, 1D-, and 2D-NMR spectra. Compounds 1-5 inhibited nitric oxide production in LPS-stimulated RAW264.7 macrophages with the IC50 values of 27.62, 74.03, 38.54, 70.39, and 44.95 μM, respectively. The NMR data of 9 were firstly reported herein.
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Affiliation(s)
- Le Thi Huyen
- University of Science, Vietnam National University, 334 Nguyen Trai, Thanh Xuan, Hanoi, 11400, Vietnam
| | - Luu Thu Thao
- University of Science, Vietnam National University, 334 Nguyen Trai, Thanh Xuan, Hanoi, 11400, Vietnam
| | - Nhu Thi Hang Nga
- University of Science, Vietnam National University, 334 Nguyen Trai, Thanh Xuan, Hanoi, 11400, Vietnam
| | - Quach Thi Khanh Ly
- University of Science, Vietnam National University, 334 Nguyen Trai, Thanh Xuan, Hanoi, 11400, Vietnam
| | - Nguyen Thi Son
- University of Science, Vietnam National University, 334 Nguyen Trai, Thanh Xuan, Hanoi, 11400, Vietnam
| | - Bui Huu Tai
- Institute of Marine Biochemistry, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, 10072, Vietnam
| | - Ngo Sy Thinh
- 354 Military Hospital, General Department of Logistics, 120 Doc Ngu, Ba Dinh, Hanoi, Viet Nam
| | - Phan Van Kiem
- Institute of Marine Biochemistry, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, 10072, Vietnam
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Deng Z, Sheng F, Yang SY, Liu Y, Zou L, Zhang LL. A comprehensive review on the medicinal usage of Podocarpus species: Phytochemistry and pharmacology. JOURNAL OF ETHNOPHARMACOLOGY 2023; 310:116401. [PMID: 36965543 DOI: 10.1016/j.jep.2023.116401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 03/04/2023] [Accepted: 03/16/2023] [Indexed: 06/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Plants of the Podocarpus species belong to the Podocarpaceae family and are largely distributed in the southern hemisphere. Beside the commercially and ecologically valuable, plants of the Podocarpus species are also used in traditional medicines in some countries for treating asthma, fever, venereal diseases, eye diseases, etc. AIM OF THE STUDY: In recent decades, the identities and pharmacological activities of phytochemicals extracted from Podocarpus plants have been widely studied. However, there have been no comprehensive and systematic reviews. This article aims to systematically review the latest research on the putative mechanisms underlying pharmacological actions of phytochemicals from the Podocarpus species, as well as to lay a foundation for promoting the development of plant resources from this genus, further drug research, and product development. MATERIALS AND METHODS A comprehensive search of PubMed, Google Scholar, Web of Science, Elsevier and CNKI databases was conducted using the keywords "Podocarpus", "traditional usage", "phytochemistry", "pharmacology", "nagilactone", etc. Related papers published among July 1964 to February 2023 were collected to summarize the research progress. All plant names were determined through the "The Plant List" (http://www.theplantlist.org/). RESULTS To date, 262 chemical constituents have been isolated and identified from 26 Podocarpus plants; among these, norditerpene bilactone is the main pharmacologically active component. Norditerpene bilactones are reported to have anti-cancer, anti-inflammatory, antioxidant, antibacterial, anti-tyrosinase, neuroprotective, anti-plasmodial, anti-mutagenic, and anti-atherosclerotic properties as well as other pharmacological activities, which support its traditional uses. CONCLUSION Extensive studies on phytochemistry and pharmacology of Podocarpus species lead to discovery of a series of hopeful leading compounds with unique chemical structure, especially the nor- and bis-norditerpenoid dilactones with four isoprene units. These compounds have been proved to possess various pharmacological activities. This review will provide a reference for further research and promote the idea of combining modern research with traditional medicinal applications of Podocarpus plants.
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Affiliation(s)
- Zhou Deng
- College of Pharmacy, Chengdu University, Chengdu, 610106, China
| | - Feiya Sheng
- School of Basic Medical Sciences, Chengdu University, Chengdu, 610106, China
| | - Si-Yu Yang
- College of Pharmacy, Chengdu University, Chengdu, 610106, China
| | - Yi Liu
- Department of Pharmacy, Clinical Medical College & Affiliated Hospital of Chengdu University, Chengdu, 610081, China
| | - Liang Zou
- School of Food and Bioengineering, Chengdu University, Chengdu, 610106, China.
| | - Le-Le Zhang
- School of Basic Medical Sciences, Chengdu University, Chengdu, 610106, China.
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Bailly C. Anticancer Activities and Mechanism of Action of Nagilactones, a Group of Terpenoid Lactones Isolated from Podocarpus Species. NATURAL PRODUCTS AND BIOPROSPECTING 2020; 10:367-375. [PMID: 33034879 PMCID: PMC7648843 DOI: 10.1007/s13659-020-00268-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 09/30/2020] [Indexed: 05/03/2023]
Abstract
Nagilactones are tetracyclic natural products isolated from various Podocarpus species. These lactone-based compounds display a range of pharmacological effects, including antifungal, anti-atherosclerosis, anti-inflammatory and anticancer activities reviewed here. The most active derivatives, such as nagilactones C, E and F, exhibit potent anticancer activities against different cancer cell lines and tumor models. A comprehensive analysis of their mechanism of action indicates that their anticancer activity mainly derives from three complementary action: (i) a drug-induced inhibition of cell proliferation coupled with a cell cycle perturbation and induction of apoptosis, (ii) a blockade of the epithelial to mesenchymal cell transition contributing to an inhibition of cancer cell migration and invasion and (iii) a capacity to modulate the PD-L1 immune checkpoint. Different molecular effectors have been implicated in the antitumor activity, chiefly the AP-1 pathway blocked upon activation of the JNK/c-Jun axis. Nag-C is a potent inhibitor of protein synthesis binding to eukaryotic ribosomes and inhibition of different protein kinases, such as RIOK2 and JAK2, has been postulated with Nag-E. The literature survey on nagilactones highlights the therapeutic potential of these little-known terpenoids. The mechanistic analysis also provides useful information for structurally related compounds (podolactones, oidiolactones, inumakilactones) isolated from Podocarpus plants.
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5
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Guo R, Ren Q, Tang YX, Zhao F, Lin B, Huang XX, Song SJ. Sesquiterpenoids from the roots of Daphne genkwa Siebold et Zucc. With potential anti-inflammatory activity. PHYTOCHEMISTRY 2020; 174:112348. [PMID: 32213358 DOI: 10.1016/j.phytochem.2020.112348] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 02/12/2020] [Accepted: 03/14/2020] [Indexed: 06/10/2023]
Abstract
Six undescribed sesquiterpenoids, including three acorane-type sesquiterpenoids (daphneaines A-C), three guaiane-type sesquiterpenoids (daphneaines E-G) and three known analogues were isolated from the roots of Daphne genkwa Siebold et Zucc. Their gross structures were elucidated by comprehensive spectroscopic analyses. The relative configurations of daphneaines A-C were determined by NOESY experiments. In addition, the relative configuration of daphneaine G was elucidated by performing a quantum chemical calculation of the NMR chemical shifts coupled with an advanced statistical procedure DP4+. The comparison of experimental and calculated electronic circular dichroism (ECD) data led to the establishment of the absolute configurations of daphneaines A-G. All isolates were tested for their inhibitory activity towards the LPS-induced NO production in RAW 264.7 macrophages, and daphneaine F showed inhibitory effect on NO production with an IC50 value of 35.68 ± 3.18 μM.
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Affiliation(s)
- Rui Guo
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Qiang Ren
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Ya-Xin Tang
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Feng Zhao
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai, 264005, PR China
| | - Bin Lin
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Xiao-Xiao Huang
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
| | - Shao-Jiang Song
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
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Chen XX, Shan WG, Ying YM, Ma LF, Zhan ZJ. A new norditerpenoid lactone from the seeds of Podocarpus nakaii. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.1177/1747519819843360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A new norditerpenoid lactone, nakaiilactone A was isolated from the seeds of Podocarpus nakaii together with a known one, nagilactone C and a known bisnorditerpenoid lactone, inumakilactone B. The structure of the new compound was determined by detailed analyses of the spectroscopic data, especially 1D- and 2D-NMR and HR-ESI-MS.
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Affiliation(s)
- Xiao-Xiao Chen
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, P.R. China
- Jinhua Polytechnic, Jinhua, 321000, P.R. China
| | - Wei-Guang Shan
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, P.R. China
| | - You-Min Ying
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, P.R. China
| | - Lie-Feng Ma
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, P.R. China
| | - Zha-Jun Zhan
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, P.R. China
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8
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Venditti A, Frezza C, Sciubba F, Foddai S, Serafini M, Bianco A. Terpenoids and More Polar Compounds from the Male Cones of Wollemia nobilis. Chem Biodivers 2017; 14. [PMID: 28296157 DOI: 10.1002/cbdv.201600332] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 10/11/2016] [Indexed: 02/05/2023]
Abstract
The analysis of metabolites contained in the male cones of Wollemia nobilis was investigated for the first time in this study. Several diterpenoids of chemosystematic relevance were recognized for the first time from the genus and/or from the Araucariaceae family, namely isocupressic acid (1), acetyl-isocupressic acid (2), methyl (E)-communate (3) and sandaracopimaric acid (4). All these terpenoids are also endowed with interesting biological activities and may play a primary role in the self defence toward herbivores. The presence of a new norlabdane (norlabda-8(16)-12-dien-14,17-diol) trivially named as wollemol (5) was also recognized. Norditerpenes are scarcely distributed in Plant Kingdom and in particular in Gymnosperms and this aspect was discussed. The structure of 5 was determined by extensive NMR analysis employing mono- and bidimensional experiments. The 7-4‴-dimethoxyagathisflavone (6), a biflavonoid already recognized in Araucariaceae and W. nobilis, was also isolated from male cones together with shikimic acid (7), a biogenetic precursor of polyphenolic compounds, besides carbohydrates such as glucose (8) and saccharose (9), and arginine (10) a quite common amino acid.
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Affiliation(s)
- Alessandro Venditti
- Dipartimento di Chimica, Università di Roma "La Sapienza", Piazzale Aldo Moro 5, IT-00185, Roma
| | - Claudio Frezza
- Dipartimento di Biologia Ambientale, Università di Roma "La Sapienza", Piazzale Aldo Moro 5, IT-00185, Roma
| | - Fabio Sciubba
- Dipartimento di Chimica, Università di Roma "La Sapienza", Piazzale Aldo Moro 5, IT-00185, Roma
| | - Sebastiano Foddai
- Dipartimento di Biologia Ambientale, Università di Roma "La Sapienza", Piazzale Aldo Moro 5, IT-00185, Roma
| | - Mauro Serafini
- Dipartimento di Biologia Ambientale, Università di Roma "La Sapienza", Piazzale Aldo Moro 5, IT-00185, Roma
| | - Armandodoriano Bianco
- Dipartimento di Chimica, Università di Roma "La Sapienza", Piazzale Aldo Moro 5, IT-00185, Roma
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Abstract
A new cyclopeptide, neriitide A (1) and a new lignan, neriilignan (2), along with six known compounds including two diterpenoids, three sesquiterpenoids and one sterol were isolated from the leaves of Podocarpus neriifolius. Their structures were elucidated by means of extensive spectroscopic analysis including HREIMS, 1D and 2D NMR techniques. This is the first report of cyclopeptide and lignan separated from this plant.
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Affiliation(s)
- Jingjing Wu
- a School of Chemistry and Chemical Engineering , Yunnan Normal University , Kunming , China
| | - Haoliang Li
- a School of Chemistry and Chemical Engineering , Yunnan Normal University , Kunming , China
| | - Guoli Huang
- a School of Chemistry and Chemical Engineering , Yunnan Normal University , Kunming , China
| | - Yegao Chen
- a School of Chemistry and Chemical Engineering , Yunnan Normal University , Kunming , China
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10
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Liu J, Yang C, Zhang J, Wu J, Chen Y. A New 5(6→7)abeo-sterol from the twigs of Podocarpus fleuryi. Nat Prod Res 2016; 31:175-180. [PMID: 27560858 DOI: 10.1080/14786419.2016.1224870] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
A new 5(6→7)abeo-sterol with rarely reported [6-5-6-5]-fused rings, 3β,5β,6-trihydroxyl-B-norsitostane (1), along with 10 known compounds were isolated from the twigs of Podocarpus fleuryi. Their structures were elucidated by means of extensive spectroscopic analysis. Compound 1 was assessed for their cytotoxicity against five human tumour cell lines (HL-60, SMMC-7721, A-549, MCF-7 and SW-480), and the result showed that it had no activity.
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Affiliation(s)
- Juan Liu
- a School of Chemistry and Chemical Engineering , Yunnan Normal University , Kunming , China
| | - Caiqiong Yang
- a School of Chemistry and Chemical Engineering , Yunnan Normal University , Kunming , China
| | - Junjie Zhang
- a School of Chemistry and Chemical Engineering , Yunnan Normal University , Kunming , China
| | - Jichun Wu
- a School of Chemistry and Chemical Engineering , Yunnan Normal University , Kunming , China
| | - Yegao Chen
- a School of Chemistry and Chemical Engineering , Yunnan Normal University , Kunming , China
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Ortore G, Orlandini E, Braca A, Ciccone L, Rossello A, Martinelli A, Nencetti S. Targeting Different Transthyretin Binding Sites with Unusual Natural Compounds. ChemMedChem 2016; 11:1865-74. [PMID: 27159149 DOI: 10.1002/cmdc.201600092] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 03/14/2016] [Indexed: 11/10/2022]
Abstract
Misfolding and aggregation of the transthyretin (TTR) protein leads to certain forms of amyloidosis. Some nutraceuticals, such as flavonoids and natural polyphenols, have recently been investigated as modulators of the self-assembly process of TTR, but they generally suffer from limited bioavailability. To discover innovative and more bioavailable natural compounds able to inhibit TTR amyloid formation, a docking study was performed using the crystallographic structure of TTR. This computational strategy was projected as an ad hoc inspection of the possible relationship between binding site location and modulation of the assembly process; interactions with the as-yet-unexplored epigallocatechin gallate (EGCG) sites and with the thyroxine (T4) pocket were simultaneously analyzed. All the compounds studied seem to prefer the traditional T4 binding site, but some interesting results emerged from the screening of an in-house database, used for validating the computational protocol, and of the Herbal Ingredients Targets (HIT) catalogue available on the ZINC database.
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Affiliation(s)
- Gabriella Ortore
- Dipartimento di Farmacia, Università di Pisa, V. Bonanno 6, 56126, Pisa, Italy.
| | | | - Alessandra Braca
- Dipartimento di Farmacia, Università di Pisa, V. Bonanno 6, 56126, Pisa, Italy
| | - Lidia Ciccone
- Dipartimento di Farmacia, Università di Pisa, V. Bonanno 6, 56126, Pisa, Italy
| | - Armando Rossello
- Dipartimento di Farmacia, Università di Pisa, V. Bonanno 6, 56126, Pisa, Italy
| | - Adriano Martinelli
- Dipartimento di Farmacia, Università di Pisa, V. Bonanno 6, 56126, Pisa, Italy
| | - Susanna Nencetti
- Dipartimento di Farmacia, Università di Pisa, V. Bonanno 6, 56126, Pisa, Italy.
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13
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Chemical Constituents of Podocarpus wallichiana. Chem Nat Compd 2016. [DOI: 10.1007/s10600-016-1573-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Braunberger C, Zehl M, Conrad J, Wawrosch C, Strohbach J, Beifuss U, Krenn L. Flavonoids as chemotaxonomic markers in the genus Drosera. PHYTOCHEMISTRY 2015; 118:74-82. [PMID: 26342620 DOI: 10.1016/j.phytochem.2015.08.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 08/19/2015] [Accepted: 08/27/2015] [Indexed: 05/20/2023]
Abstract
The botanical classification of the huge genus Drosera remains controversial since long. In the present study, the pattern of major phenolic compounds in ten Drosera species belonging to seven different subgenera and/or sections of the genus was investigated for chemotaxonomic allocation. The composition of flavonoids and ellagic acid derivatives in Drosera adelae, Drosera burmannii, Drosera dielsiana, Drosera hilaris, Drosera montana, Drosera petiolaris, and Drosera pygmaea was elucidated for the first time. The scarce data on these compounds in Drosera binata, Drosera aliciae, and Drosera spatulata were complemented significantly. Detailed LC-DAD-MS, LC-NMR, and offline 1D and 2D NMR analyses resulted in the unambiguous identification of around 40 different substances, three of them (8-hydroxy-luteolin-8-O-arabinopyranoside, tricetin-7-O-xylopyranoside and 8-hydroxytricetin-8-O-arabinopyranoside) being natural products described for the first time. The distribution of the compounds characterized underlines their potential to serve as chemotaxonomic markers in this genus.
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Affiliation(s)
- Christina Braunberger
- Institute of Chemistry, Hohenheim University, Garbenstrasse 30, 70599 Stuttgart, Germany.
| | - Martin Zehl
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria; Department of Pharmaceutical Chemistry, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.
| | - Jürgen Conrad
- Institute of Chemistry, Hohenheim University, Garbenstrasse 30, 70599 Stuttgart, Germany.
| | - Christoph Wawrosch
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.
| | - Jaqueline Strohbach
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria
| | - Uwe Beifuss
- Institute of Chemistry, Hohenheim University, Garbenstrasse 30, 70599 Stuttgart, Germany.
| | - Liselotte Krenn
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.
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Nguyen TY, To DC, Tran MH, Lee JS, Lee JH, Kim JA, Woo MH, Min BS. Anti-inflammatory Flavonoids Isolated from Passiflora foetida. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501000634] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
In this study, we evaluated the anti-inflammatory activity of the soluble ethyl acetate fraction and chemical components of the stem bark of Passiflora foetida (Passifloraceae). Ten flavonoids (1–10) were isolated by various chromatographic techniques, and their structures were determined based on spectroscopic analyses by using nuclear magnetic resonance (NMR). Luteolin (2) and chrysoeriol (3) showed the most potent inhibition of nitric oxide (NO) production in macrophage cell line, RAW264.7, with half maximal inhibitor concentration (IC50) values of 1.2 and 3.1 μM, respectively. These compounds suppressed lipopolysaccharide (LPS)-induced inducible NO synthase (iNOS) expression at the transcription level. Our research indicates that the stem bark of P. foetida has significant anti-inflammatory properties, suggesting that its flavonoids may have anti-inflammatory benefits.
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Affiliation(s)
- Thi Yen Nguyen
- College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu, Gyeongsan 712–702, Korea
| | - Dao Cuong To
- College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu, Gyeongsan 712–702, Korea
| | - Manh Hung Tran
- College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu, Gyeongsan 712–702, Korea
| | - Joo Sang Lee
- College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu, Gyeongsan 712–702, Korea
| | - Jeong Hyung Lee
- College of Natural Sciences, Kangwon National University, Gangwon-Do 200–701, Korea
| | - Jeong Ah Kim
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, 702–701 Korea
| | - Mi Hee Woo
- College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu, Gyeongsan 712–702, Korea
| | - Byung Sun Min
- College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu, Gyeongsan 712–702, Korea
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Faiella L, Piaz FD, Bader A, Braca A. Diterpenes and phenolic compounds from Sideritis pullulans. PHYTOCHEMISTRY 2014; 106:164-170. [PMID: 25073951 DOI: 10.1016/j.phytochem.2014.07.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Revised: 07/02/2014] [Accepted: 07/03/2014] [Indexed: 06/03/2023]
Abstract
Phytochemical investigation of Sideritis pullulans aerial part and root extracts allowed to isolate six ent-kaurane diterpenes, two phenylpropanoids, and one coumarin, identified as 1α,3α,7β,18-tetrahydroxy-ent-kaur-16-ene (sideripullol A) (1), 3α,11α,18-trihydroxy-ent-kaur-16-ene (sideripullol B) (2), 3α,7β,18-trihydroxy-17-nor-ent-kauran-16-one (sideritone A) (3), 3α,7β-dihydroxy-18-acetyloxy-17-nor-ent-kauran-16-one (sideritone B) (4), 3α,7β,16α,17-tetrahydroxy-18-acetyloxy-ent-kaurane (sideripullol C) (5), 7β,16α,17,18-tetrahydroxy-ent-kaurane (sideripullol D) (6), β-(3-methoxy-4-hydroxyphenyl)-ethyl-O-α-l-arabinopiranosyl-(1→2)-α-l-rhamnopyranosyl-(1→3)-6-O-t-feruloyl-β-d-glucopyranoside (sideritiside A) (7), β-(3,4-dihydroxyphenyl)-ethyl-O-α-l-arabinopiranosyl-(1→2)-α-l-rhamnopyranosyl-(1→3)-6-O-t-feruloyl-β-d-glucopyranoside (sideritiside B) (8), and 7-demethyl-8-methoxycoumarsabin (9), respectively. Twenty known compounds, including phenolics, flavonol glycosides, iridoids, diterpenes, sesquiterpenes, lignans, coumarins, and phenylpropanoids were also isolated and characterized. All diterpenes were evaluated for their cytotoxic activity.
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Affiliation(s)
- Laura Faiella
- Dipartimento di Farmacia, Università di Pisa, via Bonanno 33, 56126 Pisa, Italy
| | - Fabrizio Dal Piaz
- Dipartimento di Farmacia, Università di Salerno, via Giovanni Paolo II 132, 84084 Fisciano (SA), Italy
| | - Ammar Bader
- Department of Pharmacognosy, Faculty of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Alessandra Braca
- Dipartimento di Farmacia, Università di Pisa, via Bonanno 33, 56126 Pisa, Italy.
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Li W, Zhou W, Shim SH, Kim YH. Chemical constituents of Zanthoxylum schinifolium (Rutaceae). BIOCHEM SYST ECOL 2014. [DOI: 10.1016/j.bse.2014.02.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Han Y, Di XX, Li HZ, Shen T, Ren DM, Lou HX, Wang XN. Podoimbricatin A, a cytotoxic diterpenoid with an unprecedented 6/6/5/6-fused tetracyclic ring system from the twigs and leaves of Podocarpus imbricatus. Bioorg Med Chem Lett 2014; 24:3326-8. [DOI: 10.1016/j.bmcl.2014.05.100] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 05/26/2014] [Accepted: 05/29/2014] [Indexed: 12/01/2022]
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Abstract
This review covers the isolation, structural determination, synthesis and chemical and microbiological transformations of natural sesquiterpenoids. The literature from January to December 2012 is reviewed, and 471 references are cited.
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Affiliation(s)
- Braulio M Fraga
- Instituto de Productos Naturales y Agrobiología, CSIC, 38206-La Laguna, Tenerife, Canary Islands, Spain
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