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Booranaseensuntorn P, Boonsombat J, Thongnest S, Batsomboon P, Reuk-Ngam N, Khlaychan P, Ruchisansakun S, Kittakoop P, Techasakul S, Mahidol C, Ruchirawat S. Albiflorenes A-L, polyoxygenated cyclohex(a/e)ne diterpene esters from Kaempferia albiflora. Sci Rep 2024; 14:13967. [PMID: 38886585 PMCID: PMC11182770 DOI: 10.1038/s41598-024-64889-6] [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: 04/26/2024] [Accepted: 06/13/2024] [Indexed: 06/20/2024] Open
Abstract
Twelve polyoxygenated cyclohex(a/e)ne diterpene esters, named albiflorenes A-L (1-12), were isolated from the whole plants of Kaempferia albiflora, known as "Prao Mang Mum." Their structures and relative stereochemistry were determined by extensive spectroscopic analysis. Furthermore, the comparison of experimental electronic circular dichroism (ECD) curves with the curves predicted by TDDFT was used to determine the absolute configurations. Albiflorenes contain polyoxygenated cyclohexane (or cyclohexene) derivatives, which are linked to either isopimarane or abietane diterpene acid units. The discovery marks the first occurrence of a conjugate between polyoxygenated cyclohexane (or cyclohexene) rings and diterpenoids. Among the isolates, albiflorene C specifically exhibited antibacterial activity against Bacillus cereus with MIC and MBC values of 3.13 and 6.25 μg/mL, respectively.
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Affiliation(s)
| | - Jutatip Boonsombat
- Chulabhorn Research Institute, Bangkok, Thailand
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
| | - Sanit Thongnest
- Chulabhorn Research Institute, Bangkok, Thailand.
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand.
| | - Paratchata Batsomboon
- Chulabhorn Research Institute, Bangkok, Thailand
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
| | | | | | - Saroj Ruchisansakun
- Department of Plant Science, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Prasat Kittakoop
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Bangkok, Thailand
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
| | | | - Chulabhorn Mahidol
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Bangkok, Thailand
- Chulabhorn Research Institute, Bangkok, Thailand
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
| | - Somsak Ruchirawat
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Bangkok, Thailand
- Chulabhorn Research Institute, Bangkok, Thailand
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
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Jongsomjainuk O, Boonsombat J, Thongnest S, Prawat H, Batsomboon P, Charoensutthivarakul S, Ruchisansakun S, Chainok K, Sirirak J, Mahidol C, Ruchirawat S. Kaemtakols A-D, highly oxidized pimarane diterpenoids with potent anti-inflammatory activity from Kaempferia takensis. NATURAL PRODUCTS AND BIOPROSPECTING 2023; 13:55. [PMID: 38036688 PMCID: PMC10689700 DOI: 10.1007/s13659-023-00420-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 11/19/2023] [Indexed: 12/02/2023]
Abstract
Four highly oxidized pimarane diterpenoids were isolated from Kaempferia takensis rhizomes. Kaemtakols A-C possess a tetracyclic ring with either a fused tetrahydropyran or tetrahydrofuran motif. Kaemtakol D has an unusual rearranged A/B ring spiro-bridged pimarane framework with a C-10 spirocyclic junction and an adjacent 1-methyltricyclo[3.2.1.02,7]octene ring. Structural characterization was achieved using spectroscopic analysis, DP4 + and ECD calculations, as well as X-ray crystallography, and their putative biosynthetic pathways have been proposed. Kaemtakol B showed significant potency in inhibiting nitric oxide production with an IC50 value of 0.69 μM. Molecular docking provided some perspectives on the action of kaemtakol B on iNOS protein.
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Affiliation(s)
- Orawan Jongsomjainuk
- Laboratory of Natural Products, Chulabhorn Research Institute, Bangkok, Thailand
| | - Jutatip Boonsombat
- Laboratory of Natural Products, Chulabhorn Research Institute, Bangkok, Thailand
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
| | - Sanit Thongnest
- Laboratory of Natural Products, Chulabhorn Research Institute, Bangkok, Thailand.
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand.
| | - Hunsa Prawat
- Laboratory of Natural Products, Chulabhorn Research Institute, Bangkok, Thailand
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
| | | | - Sitthivut Charoensutthivarakul
- Excellent Center for Drug Discovery (ECDD), School of Bioinnovation and Bio-Based Product Intelligence, and Center for Neuroscience, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Saroj Ruchisansakun
- Department of Plant Science, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Kittipong Chainok
- Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications (TU-MCMA), Faculty of Science and Technology, Thammasat University, Pathum Thani, Thailand
| | - Jitnapa Sirirak
- Department of Chemistry, Faculty of Science, Silpakorn University, Nakhon Pathom, Thailand
| | - Chulabhorn Mahidol
- Laboratory of Natural Products, Chulabhorn Research Institute, Bangkok, Thailand
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Bangkok, Thailand
| | - Somsak Ruchirawat
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, Bangkok, Thailand
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Bangkok, Thailand
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
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Lallo S, Hardianti B, Djabir YY, Ismail I, Indrisari M, Aswad M, Hertati A, Habibie H, Hayakawa Y. Piper retrofractum ameliorates imiquimod-induced skin inflammation via modulation of TLR4 axis and suppression of NF-κB activity. Heliyon 2023; 9:e20151. [PMID: 37809486 PMCID: PMC10559909 DOI: 10.1016/j.heliyon.2023.e20151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 07/09/2023] [Accepted: 09/13/2023] [Indexed: 10/10/2023] Open
Abstract
Chronic inflammation is a significant concern due to its association with various pathological conditions. As a result, extensive research has been conducted to identify new natural products that can effectively treat acute inflammation, which has the potential to inhibit the chronic inflammation. In our study, we aimed to identify Indonesian medicinal plants with the ability to inhibit proinflammatory agents, specifically targeting NF-κB, a crucial regulator of gene transcription involved in the production of proinflammatory proteins/cytokines. Through a series of identification processes, we found that Piper retrofractum (Javanese chili) extract demonstrated promising inhibitory effects on NF-κB and proinflammatory molecules. Further investigation was conducted using a variety of assays, including reporter assay, viability test, ELISA, and Western blotting. The results revealed that the extract significantly reduced LPS, NO, COX-2, IL-6, IL-1, and NF-κB through the TLR4 axis. Notably, Piper retrofractum extract was found to enhance the survival of human keratinocytes by protecting them from cell death induced by TRAIL, a member of the TNF superfamily. Moreover, immunohistochemistry analysis in an Imiquimod-induced skin inflammation mice model showed downregulation of COX-2 and IL-1β expression upon treatment with the extract. In conclusion, our findings suggest that Piper retrofractum extract possesses anti-inflammatory properties by reducing proinflammatory cytokine production through inhibition of NF-κB signaling pathway. These promising results highlight the potential of Piper retrofractum extract as a candidate for future drug development in the clinical treatment of inflammation-related conditions, offering hope for the advancement of therapeutic interventions.
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Affiliation(s)
- Subehan Lallo
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Besse Hardianti
- Sekolah Tinggi Ilmu Farmasi Makassar, Makassar 90242, Indonesia
- Institute of Natural Medicine, University of Toyama, Toyama 930-0194, Japan
| | | | - Ismail Ismail
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | | | - Muhammad Aswad
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Ai Hertati
- Pusat Riset Rekayasa Genetika Jl. Raya Jakarta-Bogor No.KM 46, Pakansari, Kec. Cibinong, Kabupaten Bogor, Jawa Barat 16911, Indonesia
| | - Habibie Habibie
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Yoshihiro Hayakawa
- Institute of Natural Medicine, University of Toyama, Toyama 930-0194, Japan
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Tarasova EV, Luchnikova NA, Grishko VV, Ivshina IB. Actinomycetes as Producers of Biologically Active Terpenoids: Current Trends and Patents. Pharmaceuticals (Basel) 2023; 16:872. [PMID: 37375819 DOI: 10.3390/ph16060872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 06/04/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Terpenes and their derivatives (terpenoids and meroterpenoids, in particular) constitute the largest class of natural compounds, which have valuable biological activities and are promising therapeutic agents. The present review assesses the biosynthetic capabilities of actinomycetes to produce various terpene derivatives; reports the main methodological approaches to searching for new terpenes and their derivatives; identifies the most active terpene producers among actinomycetes; and describes the chemical diversity and biological properties of the obtained compounds. Among terpene derivatives isolated from actinomycetes, compounds with pronounced antifungal, antiviral, antitumor, anti-inflammatory, and other effects were determined. Actinomycete-produced terpenoids and meroterpenoids with high antimicrobial activity are of interest as a source of novel antibiotics effective against drug-resistant pathogenic bacteria. Most of the discovered terpene derivatives are produced by the genus Streptomyces; however, recent publications have reported terpene biosynthesis by members of the genera Actinomadura, Allokutzneria, Amycolatopsis, Kitasatosporia, Micromonospora, Nocardiopsis, Salinispora, Verrucosispora, etc. It should be noted that the use of genetically modified actinomycetes is an effective tool for studying and regulating terpenes, as well as increasing productivity of terpene biosynthesis in comparison with native producers. The review includes research articles on terpene biosynthesis by Actinomycetes between 2000 and 2022, and a patent analysis in this area shows current trends and actual research directions in this field.
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Affiliation(s)
- Ekaterina V Tarasova
- Perm Federal Research Center, Ural Branch of the Russian Academy of Sciences, 13A Lenina Str., 614990 Perm, Russia
| | - Natalia A Luchnikova
- Perm Federal Research Center, Ural Branch of the Russian Academy of Sciences, 13A Lenina Str., 614990 Perm, Russia
- Department of Microbiology and Immunology, Perm State University, 15 Bukirev Str., 614990 Perm, Russia
| | - Victoria V Grishko
- Perm Federal Research Center, Ural Branch of the Russian Academy of Sciences, 13A Lenina Str., 614990 Perm, Russia
| | - Irina B Ivshina
- Perm Federal Research Center, Ural Branch of the Russian Academy of Sciences, 13A Lenina Str., 614990 Perm, Russia
- Department of Microbiology and Immunology, Perm State University, 15 Bukirev Str., 614990 Perm, Russia
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Do KM, Kodama T, Nguyen HM, Ikumi N, Soeda C, Shiokawa KI, Morita H. Seco- and isopimarane diterpenoids from Kaempferia marginata rhizomes and their NO inhibition activities. PHYTOCHEMISTRY 2023; 205:113510. [PMID: 36379318 DOI: 10.1016/j.phytochem.2022.113510] [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: 08/30/2022] [Revised: 11/01/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
Three undescribed 9,10-seco-isopimarane diterpenoids, marginols I-K, and an unprecedent isopimara-8(9),15-diene diterpene, 14-epi-boesenberol F, together with a known 9,10-seco-isopimarane diterpenoid, kaemgalangol A, were isolated from the rhizomes of Vietnamese Kaempferia marginata. Marginols I and J contained a naturally very rare 6-oxabicyclo[3.2.1]octane-5-ol ring, while marginol K had a naturally rare oxepan-2-one ring in its structure. The unprecedented structures were elucidated by spectroscopic techniques, including HR-ESI-TOF-MS, UV, IR, and 1D and 2D NMR. The absolute configurations of marginols I-K and 14-epi-boesenberol F were determined by ECD calculations. The NO production inhibitory assay revealed that the isolated compounds, except marginol J, exhibited NO inhibitory activities with IC50 values ranging from 65.06 to 87.70 μM against lipopolysaccharide (LPS)-induced RAW264.7 cells.
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Affiliation(s)
- Kiep Minh Do
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama, 930-0194, Japan
| | - Takeshi Kodama
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama, 930-0194, Japan
| | - Hien Minh Nguyen
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh, 700000, Vietnam
| | - Naoki Ikumi
- AFC-HD AMS Life Science Co., Ltd., 3-6-36 Toyoda, Suruga-ku, Shizuoka, 422-8027, Japan
| | - Chigusa Soeda
- Japan Preventive Medical Laboratory Company, Ltd., 3-6-36 Toyoda, Suruga-ku, Shizuoka, 422-8027, Japan
| | - Ken-Ichi Shiokawa
- Japan Preventive Medical Laboratory Company, Ltd., 3-6-36 Toyoda, Suruga-ku, Shizuoka, 422-8027, Japan
| | - Hiroyuki Morita
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama, 930-0194, Japan.
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Do KM, Shin MK, Kodama T, Win NN, Prema P, Nguyen HM, Hayakawa Y, Morita H. Flavanols and Flavanes from Crinum asiaticum and Their Effects on LPS Signaling Pathway Through the Inhibition of NF-κB Activation. PLANTA MEDICA 2022; 88:913-920. [PMID: 34474490 DOI: 10.1055/a-1585-5877] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Three new flavanols, (2R,3S)-7-methoxy-flavan-3-ol (1: ), (2R,3S)-7-hydroxy-flavan-3-ol (2: ), and (2R,3S)-2'-hydroxy-7-methoxy-flavan-3-ol (3: ), together with two known flavans (4: and 5: ), were isolated from the chloroform extract of Crinum asiaticum. Their structures were elucidated by various spectroscopic methods, including 1D and 2D NMR, HR-ESI-MS, and CD data. The isolated compounds 1: and 3: -5: showed inhibitory activity toward LPS-induced nitric oxide (NO) production. Further investigation of the NF-κB pathway mechanisms indicated that 1: and 3: -5: inhibited the LPS-induced IL-6 production and p65 subunit phosphorylation of NF-κB in RAW264.7 cells, with an effective dose of 10 µM.
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Affiliation(s)
- Kiep Minh Do
- Institute of Natural Medicine, University of Toyama, Toyama, Japan
| | - Min-Kyoung Shin
- Institute of Natural Medicine, University of Toyama, Toyama, Japan
| | - Takeshi Kodama
- Institute of Natural Medicine, University of Toyama, Toyama, Japan
| | - Nwet Nwet Win
- Institute of Natural Medicine, University of Toyama, Toyama, Japan
| | - Prema Prema
- Institute of Natural Medicine, University of Toyama, Toyama, Japan
- Department of Chemistry, University of Yangon, Yangon, Myanmar
| | - Hien Minh Nguyen
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | | | - Hiroyuki Morita
- Institute of Natural Medicine, University of Toyama, Toyama, Japan
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Hashiguchi A, San Thawtar M, Duangsodsri T, Kusano M, Watanabe KN. Biofunctional properties and plant physiology of Kaempferia spp.: Status and trends. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Win NN, Kodama T, Htoo ZP, Hnin SYY, Ngwe H, Abe I, Morita H. Shanpanootols A-F, diterpenoids from Kaempferia pulchra rhizomes collected in Myanmar and their Vpr inhibitory activities. Fitoterapia 2021; 151:104870. [PMID: 33652075 DOI: 10.1016/j.fitote.2021.104870] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 02/22/2021] [Accepted: 02/23/2021] [Indexed: 10/22/2022]
Abstract
Six new isopimarane diterpenoids, shanpanootols A-F (1-6), along with two known analogues, were isolated from the ethyl acetate-soluble extract of Kaempferia pulchra rhizomes collected in Myanmar. The structures of these compounds were elucidated by extensive spectroscopic techniques such as 1D and 2D NMR and HRESIMS. The absolute configuration of 1 was determined by the modified Mosher method. The new isolates (1-6) were tested for their Vpr inhibitory activities against TREx-HeLa-Vpr cells. Shanpanootols C (3) and E (5) inhibited Vpr at doses of 2.5 and 5 μM, respectively.
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Affiliation(s)
- Nwet Nwet Win
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama 930-0194, Japan
| | - Takeshi Kodama
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama 930-0194, Japan
| | - Zin Paing Htoo
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama 930-0194, Japan
| | - Saw Yu Yu Hnin
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama 930-0194, Japan
| | - Hla Ngwe
- Department of Chemistry, University of Yangon, Yangon 11041, Myanmar
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan; Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-657, Japan
| | - Hiroyuki Morita
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama 930-0194, Japan.
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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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