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Sweilam SH, Ali DE, Atwa AM, Elgindy AM, Mustafa AM, Esmail MM, Alkabbani MA, Senna MM, El-Shiekh RA. A First Metabolite Analysis of Norfolk Island Pine Resin and Its Hepatoprotective Potential to Alleviate Methotrexate (MTX)-Induced Hepatic Injury. Pharmaceuticals (Basel) 2024; 17:970. [PMID: 39065818 PMCID: PMC11279851 DOI: 10.3390/ph17070970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 07/11/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
Drug-induced liver injury (DILI) represents a significant clinical challenge characterized by hepatic dysfunction following exposure to diverse medications. Methotrexate (MTX) is a cornerstone in treating various cancers and autoimmune disorders. However, the clinical utility of MTX is overshadowed by its ability to induce hepatotoxicity. The current study aims to elucidate the hepatoprotective effect of the alcoholic extract of Egyptian Araucaria heterophylla resin (AHR) on MTX-induced liver injury in rats. AHR (100 and 200 mg/kg) significantly decreased hepatic markers (AST, ALT, and ALP), accompanied by an elevation in the antioxidant's markers (SOD, HO-1, and NQO1). AHR extract also significantly inhibited the TGF-β/NF-κB signaling pathway as well as the downstream cascade (IL-6, JAK, STAT-3, and cyclin D). The extract significantly reduced the expression of VEGF and p38 with an elevation in the BCL2 levels, in addition to a significant decrease in the IL-1β and TNF-α levels, with a prominent effect at a high dose (200 mg/kg). Using LC-HRMS/MS analysis, a total of 43 metabolites were tentatively identified, and diterpenes were the major class. This study presents AHR as a promising hepatoprotective agent through inhibition of the TGF-β/NF-κB and JAK/STAT3 pathways, besides its antioxidant and anti-inflammatory effects.
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Affiliation(s)
- Sherouk Hussein Sweilam
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia;
- Department of Pharmacognosy, Faculty of Pharmacy, Egyptian Russian University, Cairo-Suez Road, Badr City 11829, Egypt
| | - Dalia E. Ali
- Pharmacognosy and Natural Products Department, Faculty of Pharmacy, Pharos University, Alexandria 21648, Egypt;
| | - Ahmed M. Atwa
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Egypt; (A.M.A.); (A.M.E.); (A.M.M.); (M.M.E.); (M.A.A.); (M.M.S.)
| | - Ali M. Elgindy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Egypt; (A.M.A.); (A.M.E.); (A.M.M.); (M.M.E.); (M.A.A.); (M.M.S.)
| | - Aya M. Mustafa
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Egypt; (A.M.A.); (A.M.E.); (A.M.M.); (M.M.E.); (M.A.A.); (M.M.S.)
| | - Manar M. Esmail
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Egypt; (A.M.A.); (A.M.E.); (A.M.M.); (M.M.E.); (M.A.A.); (M.M.S.)
| | - Mahmoud Abdelrahman Alkabbani
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Egypt; (A.M.A.); (A.M.E.); (A.M.M.); (M.M.E.); (M.A.A.); (M.M.S.)
| | - Mohamed Magdy Senna
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Egypt; (A.M.A.); (A.M.E.); (A.M.M.); (M.M.E.); (M.A.A.); (M.M.S.)
| | - Riham A. El-Shiekh
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
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Rana N, Gupta P, Singh H, Nagarajan K. Role of Bioactive Compounds, Novel Drug Delivery Systems, and Polyherbal Formulations in the Management of Rheumatoid Arthritis. Comb Chem High Throughput Screen 2024; 27:353-385. [PMID: 37711009 DOI: 10.2174/1386207326666230914103714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/04/2023] [Accepted: 07/24/2023] [Indexed: 09/16/2023]
Abstract
Rheumatoid Arthritis (RA) is an autoimmune disorder that generally causes joint synovial inflammation as well as gradual cartilage and degenerative changes, resulting in progressive immobility. Cartilage destruction induces synovial inflammation, including synovial cell hyperplasia, increased synovial fluid, and synovial pane development. This phenomenon causes articular cartilage damage and joint alkalosis. Traditional medicinal system exerts their effect through several cellular mechanisms, including inhibition of inflammatory mediators, oxidative stress suppression, cartilage degradation inhibition, increasing antioxidants and decreasing rheumatic biomarkers. The medicinal plants have yielded a variety of active constituents from various chemical categories, including alkaloids, triterpenoids, steroids, glycosides, volatile oils, flavonoids, lignans, coumarins, terpenes, sesquiterpene lactones, anthocyanins, and anthraquinones. This review sheds light on the utilization of medicinal plants in the treatment of RA. It explains various phytoconstituents present in medicinal plants and their mechanism of action against RA. It also briefs about the uses of polyherbal formulations (PHF), which are currently in the market and the toxicity associated with the use of medicinal plants and PHF, along with the limitations and research gaps in the field of PHF. This review paper is an attempt to understand various mechanistic approaches employed by several medicinal plants, their possible drug delivery systems and synergistic effects for curing RA with minimum side effects.
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Affiliation(s)
- Neha Rana
- KIET School of Pharmacy, KIET Group of Institutions, Delhi-NCR, Ghaziabad, 201206, Uttar Pradesh, India
| | - Piyush Gupta
- Department of Chemistry, SRM Institute of Science and Technology, Faculty of Engineering and Technology, NCR Campus, Delhi-NCR Campus, Delhi-Meerut Road, Modinagar, 201204, Ghaziabad, Uttar Pradesh, India
| | - Hridayanand Singh
- Dr. K. N. Modi Institute of Pharmaceutical Education and Research, Modinagar, 201204, Uttar Pradesh, India
| | - Kandasamy Nagarajan
- KIET School of Pharmacy, KIET Group of Institutions, Delhi-NCR, Ghaziabad, 201206, Uttar Pradesh, India
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Tousif MI, Nazir M, Riaz N, Saleem M, Tauseef S, Azam SM, Arfan Yawer M, Zengin G. Terpenoids as Human Neutrophil Elastase (HNE) Inhibitors: A Comprehensive Review of Natural Anti-inflammatory Isoprenoids. Chembiochem 2023; 24:e202300346. [PMID: 37642535 DOI: 10.1002/cbic.202300346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 08/03/2023] [Accepted: 08/29/2023] [Indexed: 08/31/2023]
Abstract
Human neutrophil elastase (HNE) is an enzyme that plays a key role in the body's inflammatory response. It has been linked to several diseases such as chronic obstructive pulmonary disease (COPD), emphysema, and cystic fibrosis. As potential treatments for these diseases, HNE inhibitors are of great interest. Metabolites derived from plants, particularly terpenoids such as β-caryophyllene found in black pepper and other plants, and geraniol present in several essential oils, are recognized as significant sources of inhibitors for HNE. Because of their ability to inhibit HNE, terpenoids are considered promising candidates for developing novel therapies to treat inflammatory conditions such as COPD and emphysema. Furthermore, nature can serve as an excellent designer, and it may offer a safer drug candidate for inhibiting HNE production and activity in the future. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses were searched to get relevant and up-to-date literature on terpenoids as human neutrophil elastase inhibitors. This review focuses on the isolation, chemical diversity, and inhibition of human neutrophil elastase (HNE) of various terpenoids reported from natural sources up to 2022. A total of 251 compounds from various terpenoids classes have been reported. Further, it also provides a summary of HNE inhibitors and includes a thorough discussion on the structure-activity relationship.
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Affiliation(s)
- Muhammad Imran Tousif
- Department of Chemistry Division of Science and Technology, University of Education, 54770, Lahore, Pakistan
| | - Mamona Nazir
- Department of Chemistry Government Sadiq College, Women University Bahawalpur, 63100-, Bahawalpur, Pakistan
| | - Naheed Riaz
- Institute of Chemistry, Baghdad Campus the Islamia University of Bahawalpur, 63100-, Bahawalpur, Pakistan
| | - Muhammad Saleem
- Institute of Chemistry, Baghdad Campus the Islamia University of Bahawalpur, 63100-, Bahawalpur, Pakistan
| | - Saba Tauseef
- Dr. Panjwani Center for Molecular Medicine and Drug Research International Center for Chemical and Biological Sciences, University of Karachi, 75270, Karachi, Pakistan
| | - Sheikh Muhammad Azam
- Department of Zoology Division of Science and Technology, University of Education Lahore, 75270, Lahore, Punjab, Pakistan
| | - Mirza Arfan Yawer
- Department of Chemistry Division of Science and Technology, University of Education, 54770, Lahore, Pakistan
| | - Gokhan Zengin
- Department of Biology Science Faculty, Selcuk University, 42130, Konya, Turkey
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Singh AP, Chitme H, Sharma RK, Kandpal JB, Behera A, Abdel-Wahab BA, Orabi MA, Khateeb MM, Habeeb MS, Bakir MB. A Comprehensive Review on Pharmacologically Active Phyto-Constituents from Hedychium species. Molecules 2023; 28:molecules28073278. [PMID: 37050042 PMCID: PMC10096824 DOI: 10.3390/molecules28073278] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/25/2023] [Accepted: 03/28/2023] [Indexed: 04/14/2023] Open
Abstract
In this review, we describe and discuss the phytoconstituents present in Hedychium species and emphasize their potential as drug candidates. Though they are widely validated in vitro and in vivo models, to date, no efforts have been made to compile in a single review all the pharmacologically active phytoconstituents from Hedychium species, and their pharmacological and toxicity profile. In this study, we present a reinvestigation of the chemical constituents present in Hedychium species obtained from the essential oil and solvent extraction of the flowers, leaves and rhizomes under consideration. Key databases such as PubMed, Science Direct, Scopus, and Google Scholar amongst others were probed for a systematic search using keywords to retrieve relevant publications on this plant. An exhaustive electronic survey of the related literature on Hedychium species resulted in around 200 articles. Articles published between the years 1975-2021 were included. The studies conducted on either crude extracts, solvent fractions or isolated pure compounds from Hedychium species reported with a varied range of biological effects such as anti-inflammatory, analgesic, antidiabetic, potentially anti-asthmatic, and cytotoxic, among other related activities of the chemical constituents present in its essential oil and solvent extract deployed in this review. Traditional and herbal medication around the world that uses different parts of Hedychium species were considered for anti-inflammatory, skincare, analgesic, anti-asthmatic, anti-diabetic, antidotal uses, among others. These uses support the idea that chemical constituents obtained from solvent extraction may also exert the same action individually or in a synergistic manner. The review concluded that there is scope for computation and biological study to find out possible new targets for strengthening the potency and selectivity of the relevant compounds, and to find a commercial method for extraction of active pharmaceutical ingredients.
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Affiliation(s)
- Alok Pratap Singh
- Faculty of Pharmacy, DIT University, Dehradun 248009, Uttarakhand, India
- Department of Research and Development, India Glycols Ltd., Pharma City, Selaqui, Dehradun 248009, Uttarakhand, India
| | - Havagiray Chitme
- Faculty of Pharmacy, DIT University, Dehradun 248009, Uttarakhand, India
| | | | - J B Kandpal
- Department of Research and Development, India Glycols Ltd., Pharma City, Selaqui, Dehradun 248009, Uttarakhand, India
| | - Ashok Behera
- Faculty of Pharmacy, DIT University, Dehradun 248009, Uttarakhand, India
| | - Basel A Abdel-Wahab
- Department of Pharmacology, College of Pharmacy, Najran University, Najran P.O. Box 1988, Saudi Arabia
| | - Mohammed Abdelmalek Orabi
- Department of Pharmacognosy, College of Pharmacy, Najran University, Najran P.O. Box 1988, Saudi Arabia
| | - Masood Medleri Khateeb
- Department of Pharmacology, College of Pharmacy, Najran University, Najran P.O. Box 1988, Saudi Arabia
| | | | - Marwa B Bakir
- Department of Pharmacology, College of Medicine Najran University, Najran P.O. Box 1988, Saudi Arabia
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Activities and Molecular Mechanisms of Diterpenes, Diterpenoids, and Their Derivatives in Rheumatoid Arthritis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:4787643. [PMID: 35368757 PMCID: PMC8975657 DOI: 10.1155/2022/4787643] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/11/2021] [Accepted: 02/02/2022] [Indexed: 12/11/2022]
Abstract
Diterpenes and their derivatives have many biological activities, including anti-inflammatory and immunomodulatory effects. To date, several diterpenes, diterpenoids, and their laboratory-derived products have been demonstrated for antiarthritic activities. This study summarizes the literature about diterpenes and their derivatives acting against rheumatoid arthritis (RA) depending on the database reports until 31 August 2021. For this, we have conducted an extensive search in databases such as PubMed, Science Direct, Google Scholar, and Clinicaltrials.gov using specific relevant keywords. The search yielded 2708 published records, among which 48 have been included in this study. The findings offer several potential diterpenes and their derivatives as anti-RA in various test models. Among the diterpenes and their derivatives, andrographolide, triptolide, and tanshinone IIA have been found to exhibit anti-RA activity through diverse pathways. In addition, some important derivatives of triptolide and tanshinone IIA have also been shown to have anti-RA effects. Overall, findings suggest that these substances could reduce arthritis score, downregulate oxidative, proinflammatory, and inflammatory biomarkers, modulate various arthritis pathways, and improve joint destruction and clinical arthritic conditions, signs, symptoms, and physical functions in humans and numerous experimental animals, mainly through cytokine and chemokine as well as several physiological protein interaction pathways. Taken all together, diterpenes, diterpenoids, and their derivatives may be promising tools for RA management.
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Wang C, Abbas F, Zhou Y, Ke Y, Li X, Yue Y, Yu Y, Yu R, Fan Y. Genome-wide identification and expression pattern of SnRK gene family under several hormone treatments and its role in floral scent emission in Hedychium coronarium. PeerJ 2021; 9:e10883. [PMID: 33854831 PMCID: PMC7955670 DOI: 10.7717/peerj.10883] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 01/11/2021] [Indexed: 11/24/2022] Open
Abstract
The SnRK (Snf1-Related protein Kinase) gene family plays crucial roles in various plant signaling pathways and stress-adaptive responses including biotic and abiotic stresses via activating protein phosphorylation pathways. However, there is no information available on the role of the SnRK gene family in Hedychium coronarium. H. coronarium is an important crop widely cultivated as an ornamental plant, herb, spice, or condiment. In this study, 60 HcSnRK genes were identified from the H. coronarium genomic and transcriptome data. Phylogenetic and gene structure analysis showed that the HcSnRK genes were divided into three groups (HcSnRK1, HcSnRK2 and HcSnRK3) and among them HcSnRK3 subfamily was further subdivided into two clades according to the number of introns. Chromosome localization analysis showed that HcSnRK genes were unevenly mapped onto all chromosomes, and the Ka/Ks ratio of 24 paralogues includes four tandems and 20 segmental duplications indicated that the HcSnRK gene family underwent a purifying selection. Cis-regulatory elements analysis suggested that the HcSnRK genes respond to multiple hormones and other stresses. The responsiveness of HcSnRK genes to several hormones was analyzed by quantitative real-time PCR. Based on the different transcriptome data, two candidates HcSnRK genes (HcSnRK2.2 and HcSnRK2.9) were screened out for further characterization . The subcellular localization experiment revealed that both genes were located in the nucleus and cytoplasm. Moreover, virus-induced gene silencing (VIGS) of HcSnRK2.2 and HcSnRK2.9 significantly reduced the floral volatile contents by suppressing the expression of terpene synthase genes (HcTPS1, HcTPS3, and HcTPS5), indicating that HcSnRK2.2 and HcSnRK2.9 genes play an important role in the regulatory mechanism of floral aroma. These results will provide novel insights into the functional dissection of H. coronarium SnRK gene family.
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Affiliation(s)
- Chutian Wang
- The Research Center for Ornamental Plants, College of Forestry and Landscape Architecture, South China Agricultural University, Guangdong, China
| | - Farhat Abbas
- The Research Center for Ornamental Plants, College of Forestry and Landscape Architecture, South China Agricultural University, Guangdong, China
| | - Yiwei Zhou
- The Research Center for Ornamental Plants, College of Forestry and Landscape Architecture, South China Agricultural University, Guangdong, China
| | - Yanguo Ke
- The Research Center for Ornamental Plants, College of Forestry and Landscape Architecture, South China Agricultural University, Guangdong, China
- College of Economics and Management, Kunming university, Kunming, China
| | - Xinyue Li
- The Research Center for Ornamental Plants, College of Forestry and Landscape Architecture, South China Agricultural University, Guangdong, China
| | - Yuechong Yue
- The Research Center for Ornamental Plants, College of Forestry and Landscape Architecture, South China Agricultural University, Guangdong, China
| | - Yunyi Yu
- The Research Center for Ornamental Plants, College of Forestry and Landscape Architecture, South China Agricultural University, Guangdong, China
| | - Rangcai Yu
- College of Life Sciences, South China Agricultural University, Guangdong, China
| | - Yanping Fan
- The Research Center for Ornamental Plants, College of Forestry and Landscape Architecture, South China Agricultural University, Guangdong, China
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, South China Agricultural University, Guangdong, China
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Bioactive Compounds from Medicinal Plants in Myanmar. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2021; 114:135-251. [PMID: 33792861 DOI: 10.1007/978-3-030-59444-2_2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Myanmar is a country with rich natural resources and of these, medicinal plants play a vital role in the primary health care of its population. The people of Myanmar have used their own system of traditional medicine inclusive of the use of medicinal plants for 2000 years. However, systematic and scientific studies have only recently begun to be reported. Researchers from Japan, Germany, and Korea have collaborated with researchers in Myanmar on medicinal plants since 2000. During the past two decades, over 50 publications have been published in peer-reviewed journals. Altogether, 433 phytoconstituents, including 147 new and 286 known compounds from 26 plant species consisting of 29 samples native to Myanmar, have been collated. In this contribution, phytochemical and biological investigations of these plants, including information on traditional knowledge are compiled and discussed.
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Chang HC, Wang SW, Chen CY, Hwang TL, Cheng MJ, Sung PJ, Liao KW, Chen JJ. Secoiridoid Glucosides and Anti-Inflammatory Constituents from the Stem Bark of Fraxinus chinensis. Molecules 2020; 25:E5911. [PMID: 33327368 PMCID: PMC7764309 DOI: 10.3390/molecules25245911] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/09/2020] [Accepted: 12/09/2020] [Indexed: 12/14/2022] Open
Abstract
Qin Pi (Fraxinus chinensis Roxb.) is commercially used in healthcare products for the improvement of intestinal function and gouty arthritis in many countries. Three new secoiridoid glucosides, (8E)-4''-O-methylligstroside (1), (8E)-4''-O-methyldemethylligstroside (2), and 3'',4''-di-O-methyl-demethyloleuropein (3), have been isolated from the stem bark of Fraxinus chinensis, together with 23 known compounds (4-26). The structures of the new compounds were established by spectroscopic analyses (1D, 2D NMR, IR, UV, and HRESIMS). Among the isolated compounds, (8E)-4''-O-methylligstroside (1), (8E)-4''-O-methyldemethylligstroside (2), 3'',4''-di-O-methyldemethyloleuropein (3), oleuropein (6), aesculetin (9), isoscopoletin (11), aesculetin dimethyl ester (12), fraxetin (14), tyrosol (21), 4-hydroxyphenethyl acetate (22), and (+)-pinoresinol (24) exhibited inhibition (IC50 ≤ 7.65 μg/mL) of superoxide anion generation by human neutrophils in response to formyl-L-methionyl-L-leuckyl-L-phenylalanine/cytochalasin B (fMLP/CB). Compounds 1, 9, 11, 14, 21, and 22 inhibited fMLP/CB-induced elastase release with IC50 ≤ 3.23 μg/mL. In addition, compounds 2, 9, 11, 14, and 21 showed potent inhibition with IC50 values ≤ 27.11 μM, against lipopolysaccharide (LPS)-induced nitric oxide (NO) generation. The well-known proinflammatory cytokines, tumor necrosis factor-alpha (TNF-α) and interleukin 6 (IL-6), were also inhibited by compounds 1, 9, and 14. Compounds 1, 9, and 14 displayed an anti-inflammatory effect against NO, TNF-α, and IL-6 through the inhibition of activation of MAPKs and IκBα in LPS-activated macrophages. In addition, compounds 1, 9, and 14 stimulated anti-inflammatory M2 phenotype by elevating the expression of arginase 1 and Krüppel-like factor 4 (KLF4). The above results suggested that compounds 1, 9, and 14 could be considered as potential compounds for further development of NO production-targeted anti-inflammatory agents.
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Affiliation(s)
- Hao-Chiun Chang
- Department of Orthopaedics, MacKay Memorial Hospital, Taipei 10449, Taiwan;
- Ph.D. Degree Program of Biomedical Science and Engineering, National Chiao Tung University, Hsinchu City 30068, Taiwan;
| | - Shih-Wei Wang
- Department of Medicine, MacKay Medical College, New Taipei City 25242, Taiwan;
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Chin-Yen Chen
- Graduate Institute of Pharmaceutical Technology, Tajen University, Pingtung 90741, Taiwan;
| | - Tsong-Long Hwang
- Graduate Institute of Natural Products, School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan 33303, Taiwan;
- Research Center for Food and Cosmetic Safety, Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 33303, Taiwan
- Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
| | - Ming-Jen Cheng
- Bioresource Collection and Research Center (BCRC), Food Industry Research and Development Institute (FIRDI), Hsinchu 30062, Taiwan;
| | - Ping-Jyun Sung
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- National Museum of Marine Biology and Aquarium, Pingtung 94450, Taiwan
| | - Kuang-Wen Liao
- Ph.D. Degree Program of Biomedical Science and Engineering, National Chiao Tung University, Hsinchu City 30068, Taiwan;
- Institute of Molecular Medicine and Bioengineering, National Chiao Tung University, Hsinchu City 30068, Taiwan
| | - Jih-Jung Chen
- Faculty of Pharmacy, School of Pharmaceutical Sciences, National Yang-Ming University, Taipei 11221, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan
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A New Sesquiterpenoid and Bioactive Constituents of Curcuma zedoaria. Chem Nat Compd 2020. [DOI: 10.1007/s10600-020-03230-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Bailly C. Anticancer activities and mechanism of action of the labdane diterpene coronarin D. Pathol Res Pract 2020; 216:152946. [DOI: 10.1016/j.prp.2020.152946] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 12/12/2022]
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Wang WH, Gao JJ, Zuo XF, Qin XJ, Liu HY, Zhao Q. New diterpenoids from the rhizomes of Hedychium forrestii. Nat Prod Res 2019; 35:2463-2469. [PMID: 31638425 DOI: 10.1080/14786419.2019.1679131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
A novel hexanorditerpenoid, hedychin C (1), and a new diterpenoid, hedychin D (2), were isolated from the rhizomes of Hedychium forrestii. Their structures and absolute configurations were unambiguously established by means of extensive spectroscopic data (IR, UV, HRMS, and NMR) and electronic circular dichroism (ECD) calculations. This is the first report of naturally occurring labdane-type hexanorditerpenoid. Compound 1 was proved to have moderate cytotoxicity against XWLC-05 cell line with an IC50 value of 53.6 μM.
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Affiliation(s)
- Wen-Hui Wang
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, People's Republic of China
| | - Jie-Jie Gao
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, People's Republic of China
| | - Xiao-Fei Zuo
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, People's Republic of China
| | - Xu-Jie Qin
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, People's Republic of China
| | - Hai-Yang Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, People's Republic of China
| | - Qing Zhao
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, People's Republic of China
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Ray A, Jena S, Dash B, Sahoo A, Kar B, Patnaik J, Panda PC, Nayak S, Mahapatra N. Hedychium coronarium extract arrests cell cycle progression, induces apoptosis, and impairs migration and invasion in HeLa cervical cancer cells. Cancer Manag Res 2019; 11:483-500. [PMID: 30655700 PMCID: PMC6322495 DOI: 10.2147/cmar.s190004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Hedychium coronarium Koen. (Zingiberaceae) is traditionally used as medicine in countries such as India, China, and Vietnam for treatment of various ailments including cancer. However, in spite of its implied significance in cancer treatment regimes, there are no reports so far involving the anticancerous attributes of H, coronarium ethanol extract (HCEE) on cancer cells and a more comprehensive study on its mechanism is still lacking. Materials and methods The cytotoxicity of HCEE was evaluated by MTT and clonogenic survival assay. Annexin V/propidium iodide (PI), Hoechst 33342 staining, and TUNEL assay were performed to detect apoptosis. Cell cycle analysis was performed using PI staining. JC-1 and 2′,7′-dichlorodihydrofluorescein diacetate assay were used to check the levels of MMP and ROS, respectively. Western blot analysis was carried out to measure the expression levels of proteins. Migration and invasion activity were assessed by wound healing and Transwell membrane assay, respectively. Results Antiproliferative effect of HCEE was investigated in various cancerous and normal cell lines. Among these, HCEE significantly inhibited the survival of HeLa cells without affecting the viability of normal human umbilical vein endothelial cells. Annexin V/PI, Hoechst staining, and TUNEL assay showed HCEE induced apoptosis in HeLa cells in a dose-dependent manner. HCEE promoted cell cycle arrest at G1 phase in HeLa cells by upregulating the levels of p53 and p21 and downregulating the levels of cyclin D1, CDK-4, and CDK-6. Moreover, HCEE treatment upregulated the expression of Bax and downregulated the expression of Bcl-2. Additionally, HCEE activated the caspase cascade by increasing the activities of caspase-9, caspase-8, and caspase-3. The expression levels of Fas ligand and Fas were also upregulated. Further, HCEE inhibited the migratory potential of HeLa cells by downregulating MMP-2 and MMP-9 expression levels. Conclusion Our results indicate H. coronarium exerts antiproliferative and apoptotic effects against HeLa cells, and therefore may be used for treatment against cervical cancer.
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Affiliation(s)
- Asit Ray
- Regional Medical Research Centre (Indian Council of Medical Research), Chandrasekharpur, Bhubaneswar 751023, Odisha, India.,Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha O Anusandhan University, Kalinganagar, Ghatikia, Bhubaneswar 751003, Odisha, India,
| | - Sudipta Jena
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha O Anusandhan University, Kalinganagar, Ghatikia, Bhubaneswar 751003, Odisha, India,
| | - Biswabhusan Dash
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha O Anusandhan University, Kalinganagar, Ghatikia, Bhubaneswar 751003, Odisha, India,
| | - Ambika Sahoo
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha O Anusandhan University, Kalinganagar, Ghatikia, Bhubaneswar 751003, Odisha, India,
| | - Basudeba Kar
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha O Anusandhan University, Kalinganagar, Ghatikia, Bhubaneswar 751003, Odisha, India,
| | - Jeetendranath Patnaik
- Department of Botany, Sri Krushna Chandra Gajapati College, Paralakhemundi 761200, Odisha, India
| | - Pratap Chandra Panda
- Taxonomy and Conservation Division, Regional Plant Resource Centre, Nayapalli, Bhubaneswar 751015, Odisha, India
| | - Sanghamitra Nayak
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha O Anusandhan University, Kalinganagar, Ghatikia, Bhubaneswar 751003, Odisha, India,
| | - Namita Mahapatra
- Regional Medical Research Centre (Indian Council of Medical Research), Chandrasekharpur, Bhubaneswar 751023, Odisha, India
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New Anti-Inflammatory Aporphine and Lignan Derivatives from the Root Wood of Hernandia nymphaeifolia. Molecules 2018; 23:molecules23092286. [PMID: 30205430 PMCID: PMC6225223 DOI: 10.3390/molecules23092286] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 08/31/2018] [Accepted: 09/01/2018] [Indexed: 11/16/2022] Open
Abstract
A new aporphine, 3-hydroxyhernandonine (1) and a new lignin, 4′-O-demethyl-7-O-methyldehydropodophyllotoxin (2), have been isolated from the root wood of Hernanadia nymphaeifolia, together with thirteen known compounds (3–15). The structures of these compounds were determined through mass spectrometry (MS) and spectroscopic analyses. The known isolate, 2-O-methyl-7-oxolaetine (3), was first isolated from natural sources. Among the isolated compounds, 3-hydroxyhernandonine (1), 4′-O-demethyl-7-O-methyldehydropodophyllotoxin (2), hernandonine (4), oxohernangerine (5), and oxohernagine (6) displayed inhibition (IC50 values ≤5.72 μg/mL) of superoxide anion production by human neutrophils in response to formyl-l-methionyl-l-leucyl-l-phenylalanine/cytochalasin B (fMLP/CB). In addition, 3-hydroxyhernandonine (1), 4′-O-demethyl-7-O-methyldehydropodophyllotoxin (2), oxohernangerine (5), and oxohernagine (6) suppressed fMLP/CB-induced elastase release with IC50 values ≤5.40 μg/mL.
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14
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Zhao Q, Gao JJ, Qin XJ, Hao XJ, He HP, Liu HY. Hedychins A and B, 6,7-Dinorlabdane Diterpenoids with a Peroxide Bridge from Hedychium forrestii. Org Lett 2018; 20:704-707. [PMID: 29341620 DOI: 10.1021/acs.orglett.7b03836] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qing Zhao
- Yunnan University of Traditional Chinese Medicine, Kunming 650500, China
| | - Jie-Jie Gao
- Yunnan University of Traditional Chinese Medicine, Kunming 650500, China
| | - Xu-Jie Qin
- State
Key Laboratory of Phytochemistry and Plant Resources in West China,
Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Xiao-Jiang Hao
- State
Key Laboratory of Phytochemistry and Plant Resources in West China,
Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Hong-Ping He
- Yunnan University of Traditional Chinese Medicine, Kunming 650500, China
- State
Key Laboratory of Phytochemistry and Plant Resources in West China,
Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Hai-Yang Liu
- State
Key Laboratory of Phytochemistry and Plant Resources in West China,
Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
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15
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Tran QT, Wong WF, Chai CL. Labdane diterpenoids as potential anti-inflammatory agents. Pharmacol Res 2017; 124:43-63. [DOI: 10.1016/j.phrs.2017.07.019] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 07/21/2017] [Accepted: 07/21/2017] [Indexed: 01/20/2023]
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16
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Labdane diterpenoids from Curcuma amada rhizomes collected in Myanmar and their antiproliferative activities. Fitoterapia 2017; 122:34-39. [PMID: 28827004 DOI: 10.1016/j.fitote.2017.08.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/15/2017] [Accepted: 08/17/2017] [Indexed: 11/22/2022]
Abstract
Four new labdane diterpenoids, 12β-hydroxy-15-norlabda-8(17),13(14)-dien-16-oic acid (1), (E)-15-ethoxy-15-methoxylabda-8(17),12-dien-16-al (2), (E)-15α-ethoxy-14α-hydroxylabda-8(17),12-dien-16-olide (3), and 15-ethoxy-12β-hydroxylabda-8(17),13(14)-dien-16,15-olide (4) were isolated from the methanol extract of Curcuma amada rhizomes collected in Myanmar, together with 13 known analogs. Their structures were elucidated by extensive spectroscopic techniques. All of the isolates were evaluated for their antiproliferative activities against a small panel of five different human cancer cell lines (A549, human lung cancer; HeLa, human cervical cancer; MCF7, human breast cancer; PANC-1 and PSN-1, human pancreatic cancer). Among the isolates, compounds 2-4, 7, 8, 12, and 17 showed mild antiproliferative activities with IC50 values ranging from 19.7 to 96.1μM. (E)-14-Hydroxy-15-norlabda-8(17),12-dien-16-al (11) exhibited strong antiproliferative activities selectively against HeLa, PANC-1, and PSN-1 cells, with IC50 values of 5.88, 1.00, and 3.98μM, respectively. These potencies were comparable to those of the positive control, 5-fluorouracil.
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17
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18
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Chen LC, Wen ZH, Sung PJ, Shu CW, Kuo WL, Chen PY, Chen JJ. New Labdane-Type Diterpenoid and Cytotoxic Constituents of Hedychium coronarium. Chem Nat Compd 2017. [DOI: 10.1007/s10600-017-1914-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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19
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New Flavones, a 2-(2-Phenylethyl)-4H-chromen-4-one Derivative, and Anti-Inflammatory Constituents from the Stem Barks of Aquilaria sinensis. Molecules 2015; 20:20912-25. [PMID: 26610457 PMCID: PMC6332152 DOI: 10.3390/molecules201119736] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 11/13/2015] [Accepted: 11/16/2015] [Indexed: 11/27/2022] Open
Abstract
In the current study, two new flavones, 4′-O-geranyltricin (1) and 3′-O-geranylpolloin (2), and a new 2-(2-phenylethyl)-4H-chromen-4-one derivative, 7-hydroxyl-6-methoxy-2-(2-phenylethyl)chromone (3), have been isolated from the stem barks of A. sinensis, together with 21 known compounds 4–24. The structures of new compounds 1–3 were determined through spectroscopic and MS analyses. Compounds 2, 3, 5, 6, and 8–10 exhibited inhibition (IC50 ≤ 12.51 μM) of superoxide anion generation by human neutrophils in response to formyl-l-methionyl-l-leucyl-l-phenylalanine/cytochalasin B (fMLP/CB). Compounds 3, 6, 8, 10, and 19 inhibited fMLP/CB-induced elastase release with IC50 values ≤ 15.25 μM. This investigation reveals bioactive isolates (especially 2, 3, 5, 6, 8, 9, 10, and 19) could be further developed as potential candidates for the treatment or prevention of various inflammatory diseases.
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20
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Chan EWC, Wong SK. Phytochemistry and pharmacology of ornamental gingers, Hedychium coronarium and Alpinia purpurata: a review. JOURNAL OF INTEGRATIVE MEDICINE 2015; 13:368-79. [PMID: 26559362 DOI: 10.1016/s2095-4964(15)60208-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this review, the phytochemistry and pharmacology of two ornamental gingers, Hedychium coronarium (butterfly ginger) and Alpinia purpurata (red ginger), are updated, and their botany and uses are described. Flowers of H. coronarium are large, showy, white, yellow or white with a yellow centre and highly fragrant. Inflorescences of A. purpurata are erect spikes with attractive red or pink bracts. Phytochemical investigations on the rhizomes of H. coronarium generated research interest globally. This resulted in the isolation of 53 labdane-type diterpenes, with little work done on the leaves and flowers. Pharmacological properties of H. coronarium included antioxidant, antibacterial, antifungal, cytotoxic, chemopreventive, anti-allergic, larvicidal, anthelminthic, analgesic, anti-inflammatory, anti-urolithiatic, anti-angiogenic, neuro-pharmacological, fibrinogenolytic, coagulant and hepatoprotective activities. On the contrary, little is known on the phytochemistry of A. purpurata with pharmacological properties of antioxidant, antibacterial, larvicidal, cytotoxic and vasodilator activities reported in the leaves and rhizomes. There is much disparity in terms of research effort within and between these two ornamental gingers.
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Affiliation(s)
- Eric Wei Chiang Chan
- Faculty of Applied Sciences, UCSI University, Cheras 56000, Kuala Lumpur, Malaysia
| | - Siu Kuin Wong
- School of Science, Monash University Sunway, Petaling Jaya 46150, Selangor, Malaysia
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21
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22
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New Coumarin Derivatives and Other Constituents from the Stem Bark of Zanthoxylum avicennae: Effects on Neutrophil Pro-Inflammatory Responses. Int J Mol Sci 2015; 16:9719-31. [PMID: 25938967 PMCID: PMC4463613 DOI: 10.3390/ijms16059719] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 04/10/2015] [Accepted: 04/14/2015] [Indexed: 11/17/2022] Open
Abstract
Three new coumarin derivatives, 8-formylalloxanthoxyletin (1), avicennone (2), and (Z)-avicennone (3), have been isolated from the stem bark of Zanthoxylum avicennae (Z. avicennae), together with 15 known compounds (4–18). The structures of these new compounds were determined through spectroscopic and MS analyses. Compounds 1, 4, 9, 12, and 15 exhibited inhibition (half maximal inhibitory concentration (IC50) values ≤7.65 µg/mL) of superoxide anion generation by human neutrophils in response to formyl-l-methionyl-l-leucyl-l-phenylalanine/cytochalasin B (fMLP/CB). Compounds 1, 2, 4, 8 and 9 inhibited fMLP/CB-induced elastase release with IC50 values ≤8.17 µg/mL. This investigation reveals bioactive isolates (especially 1, 2, 4, 8, 9, 12 and 15) could be further developed as potential candidates for the treatment or prevention of various inflammatory diseases.
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23
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Van Thanh B, Dai DN, Thang TD, Binh NQ, Anh LDN, Ogunwande IA. Composition of essential oils of four Hedychium species from Vietnam. Chem Cent J 2014; 8:54. [PMID: 25221621 PMCID: PMC4161828 DOI: 10.1186/s13065-014-0054-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Accepted: 08/12/2014] [Indexed: 11/25/2022] Open
Abstract
Background Vietnam is a country blessed with many medicinal plants widely used as food and for medicinal purposes, and they contain a host of active substances that contribute to health. However, the analysis of chemical constituents of these plant species has not been subject of literature discussion. Results In this study, the chemical compositions of essential oils of four Hedychium species, obtained by hydrodistillation, were determined by means of gas chromatography-flame ionization detector (GC-FID) and gas chromatography–mass spectrometry (GC-MS) techniques. Individually, α-pinene (52.5%) and β-pinene (31.8%) were present in the leaf oil of Hedychium stenopetalum Lodd., while linalool (45.2%), (E)-nerolidol (8.7%) and α-pinene (5.0%) were identified in the root. The leaf of Hedychium coronarium J. König was characterized by β-pinene (20.0%), linalool (15.8%), 1,8-cineole (10.7%), α-pinene (10.1%) and α-terpineol (8.6%); while β-pinene (23.6%), α-humulene (17.1%) and β-caryophyllene (13.0%) were identified in the root. Hedychium flavum Roxb., gave oil whose major compounds were β-pinene (22.5%), α-humulene (15.7%) and β-caryophyllene (10.4%) in the leaf; α-humulene (18.9%), β-caryophyllene (11.8%) and β-pinene (11.2%) in the stem, as well as β-pinene (21.8%), linalool (17.5%) and 1,8-cineole (13.5%) in the root. The main constituents of Hedychium ellipticum Buch.-Ham. ex Smith were (E)-nerolidol (15.9%), β-pinene (11.8%) and bornyl acetate (9.2%) in the leaf with 1,8-cineole (40.8%), α-pinene (18.3%) and β-pinene (11.0%) occurring in the root. Conclusions Ubiquitous monoterpenes and sesquiterpenes were identified as characteristic markers for Hedychium species. This work is of great importance for the evaluation of Hedychium essential oils grown in Vietnam. Electronic supplementary material The online version of this article (doi:10.1186/s13065-014-0054-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Bui Van Thanh
- Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam
| | - Do N Dai
- Faculty of Agriculture, Forestry and Fishery, Nghe An College of Economics, 51-Ly Tu Trong, Vinh City, Nghe An Province Vietnam
| | - Tran D Thang
- Faculty of Chemistry, Vinh University, 182-Le Duan, Vinh City, Nghe An Province Vietnam
| | - Nguyen Q Binh
- Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam
| | - Luu D Ngoc Anh
- Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam
| | - Isiaka A Ogunwande
- Natural Products Research Unit, Department of Chemistry, Faculty of Science, Lagos State University, Badagry Expressway Ojo, P. M. B. 0001, Lasu Post Office, Ojo, Lagos, Nigeria
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Lee TH, Chen YC, Hwang TL, Shu CW, Sung PJ, Lim YP, Kuo WL, Chen JJ. New coumarins and anti-inflammatory constituents from the fruits of Cnidium monnieri. Int J Mol Sci 2014; 15:9566-78. [PMID: 24879527 PMCID: PMC4100110 DOI: 10.3390/ijms15069566] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 05/07/2014] [Accepted: 05/13/2014] [Indexed: 12/03/2022] Open
Abstract
The fruit of Cnidium monnieri is commercially used as healthcare products for the improvement of impotence and skin diseases. Three new coumarins, 3'-O-methylmurraol (1), rel-(1'S,2'S)-1'-O-methylphlojodicarpin (2), and (1'S,2'S)-1'-O-methylvaginol (3), have been isolated from the fruits of C. monnieri, together with 14 known compounds (4–17). The structures of these new compounds were determined through spectroscopic and MS analyses. Compounds 1, 4–12, and 14–17 exhibited inhibition (IC50 ≤ 7.31 µg/mL) of superoxide anion generation by human neutrophils in response to formyl-l-methionyl-l-leucyl-l-phenylalanine/cytochalasin B (fMLP/CB). Compounds 7, 9–11, 15, and 17 inhibited fMLP/CB-induced elastase release with IC50 values ≤7.83 µg/mL. This investigation reveals that bioactive isolates (especially 6, 7, 14, and 17) could be further developed as potential candidates for the treatment or prevention of various inflammatory diseases.
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Affiliation(s)
- Tzong-Huei Lee
- Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei 110, Taiwan.
| | - Yuan-Chih Chen
- Department of Pharmacy & Graduate Institute of Pharmaceutical Technology, Tajen University, Pingtung 907, Taiwan.
| | - Tsong-Long Hwang
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
| | - Chih-Wen Shu
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan.
| | - Ping-Jyun Sung
- National Museum of Marine Biology and Aquarium, Pingtung 944, Taiwan.
| | - Yun-Ping Lim
- School of Pharmacy, College of Pharmacy, China Medical University, Taichung 404, Taiwan.
| | - Wen-Lung Kuo
- Chung-Jen College of Nursing, Health Science and Management, Chiayi 600, Taiwan.
| | - Jih-Jung Chen
- Department of Pharmacy & Graduate Institute of Pharmaceutical Technology, Tajen University, Pingtung 907, Taiwan.
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