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Anantachoke N, Lovacharaporn D, Reutrakul V, Michel S, Gaslonde T, Piyachaturawat P, Suksen K, Prabpai S, Nuntasaen N. Cytotoxic compounds from the leaves and stems of the endemic Thai plant Mitrephora sirikitiae. PHARMACEUTICAL BIOLOGY 2020; 58:490-497. [PMID: 32478640 PMCID: PMC7336994 DOI: 10.1080/13880209.2020.1765813] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 04/23/2020] [Accepted: 05/03/2020] [Indexed: 05/17/2023]
Abstract
Context: Mitrephora sirikitiae Weeras., Chalermglin & R.M.K. Saunders (Annonaceae) is a plant endemic to Thailand. Its constituents and their biological activities are unknown.Objective: Isolation and identification of the compounds in the leaves and stems of M. sirikitiae and determination of their cytotoxicity.Materials and methods: Methanol extracts of the leaves and stems of M. sirikitiae were separated by chromatography, and spectroscopic methods were used to determine the structures of the components. The cytotoxicity of the extracts and pure compounds was evaluated using the sulforhodamine B assay with several cell lines. The cells were treated with the compounds at concentrations of 0.16-20 µg/mL for 48 or 72 h.Results: The investigation of the extracts of M. sirikitiae leaves and stems resulted in the isolation of a new lignan, mitrephoran, and 15 known compounds. Among these compounds, 2-(3,4-dimethoxyphenyl)-6-(3,5-dimethoxyphenyl)-3,7-dioxabicyclo[3.3.0]octane, ciliaric acid, 6-methoxymarcanine A, and stepharanine were isolated from this genus for the first time. The alkaloids liriodenine and oxoputerine exhibited strong cytotoxicity against all tested cells (IC50 values of 6.59-11.02 µM). In contrast, magnone A, 3',4-O-dimethylcedrusin, and 6-methoxymarcanine A inhibited the growth of some of the tested cells (IC50 values of 2.03-19.73 µM). Magnone A and 6-methoxymarcanine A showed low toxicity for Hek 293 cells (IC50 >20 µM).Discussion and conclusions: M. sirikitiae is a source of cytotoxic lignans and alkaloids. Among the cytotoxic compounds, magnone A and 6-methoxymarcanine A are potentially useful lead compounds for the further development of anticancer agents because of their selective inhibitory effects on cancer cell lines.
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Affiliation(s)
- Natthinee Anantachoke
- Department of Pharmacognosy, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
- CONTACT Natthinee Anantachoke Department of Pharmacognosy, Faculty of Pharmacy, Mahidol University, Bangkok10400, Thailand
| | | | - Vichai Reutrakul
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Sylvie Michel
- Produits Naturels, Analyse et Synthèse, UMR CNRS 8038 CITCOM, Faculté de Pharmacie de Paris, Université Paris Descartes-Université de Paris, Paris, France
| | - Thomas Gaslonde
- Produits Naturels, Analyse et Synthèse, UMR CNRS 8038 CITCOM, Faculté de Pharmacie de Paris, Université Paris Descartes-Université de Paris, Paris, France
| | | | - Kanoknetr Suksen
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Samran Prabpai
- CP FOODLAB Co., Ltd, Science Park, Pathum Thani, Thailand
| | - Narong Nuntasaen
- Department of National Parks, Wildlife and Plant Conservation, Ministry of Natural Resources and Environment, The Forest Herbarium, Bangkok, Thailand
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Discovery of stereospecific cytotoxicity of (8R,8'R)-trans-arctigenin against insect cells and structure-activity relationship on aromatic ring. Bioorg Med Chem Lett 2020; 30:127191. [PMID: 32359854 DOI: 10.1016/j.bmcl.2020.127191] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/06/2020] [Accepted: 04/11/2020] [Indexed: 12/17/2022]
Abstract
One of the arctigenin stereoisomers, (8R,8'R)-trans-form 1, showed stereospecific cytotoxicity against insect cells, Sf9 and NIAS-AeAl-2 cells. By the comparison with other stereoisomers, the most importance of the 8'R stereochemistry for the higher activities was clarified. On the other hand, the wider range of activity level among stereoisomers against cancer cells, HL-60, was not observed. The structure-activity relationship research using derivatives bearing (8R,8'R)-trans-form was performed to show the same level of activities of 3-iodo, 4-iodo, and 3,4-methylenedioxy derivatives 28, 29, and 36 as (8R,8'R)-trans-arctigenin 1. In the examination of thiono derivatives, 4-iodo thiono and 3,4-methylenedioxy thiono derivatives 66, 67 showed similar level of activities to that of (8R,8'R)-trans-arctigenin 1. The expression of ribosomal 28S rRNA gene of Sf9 cells was increased by (8R,8'R)-trans-arctigenin 1, whereas a degradation of DNA was not observed.
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Nishiwaki H, Ikari M, Fujiwara S, Nishi K, Sugahara T, Akiyama K, Yamauchi S. Cytotoxicity against HL60 Cells of Ficifolidione Derivatives with Methyl, n-Pentyl, and n-Heptyl Groups. Molecules 2019; 24:molecules24224081. [PMID: 31718080 PMCID: PMC6891661 DOI: 10.3390/molecules24224081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 11/01/2019] [Accepted: 11/07/2019] [Indexed: 11/16/2022] Open
Abstract
Ficifolidione, a natural insecticidal compound isolated from the essential oils of Myetaceae species, is a spiro phloroglucinol with an isobutyl group at the C-4 position. We found that ficifolidione showed cytotoxicity against cancer cells via apoptosis. Replacement of the isobutyl group by n-propyl group did not influence the potency, but the effect of the replacement of this group by a shorter or longer alkyl group on the biological activity remains unknown. In this study, ficifolidione derivatives with alkyl groups such as methyl, n-pentyl, and n-heptyl group—instead of the isobutyl group at the C-4 position—were synthesized to evaluate their cytotoxicity against the human promyelocytic leukaemia cell line HL60 and their insecticidal activity against mosquito larvae. The biological activities of their corresponding 4-epimers were also evaluated. As a result, the conversion of the isobutyl group to another alkyl group did not significantly influence the cytotoxicity or insecticidal activity. In HL60 cells treated with the n-heptyl-ficifolidione derivative, the activation of caspase 3/7 and the early stages of apoptosis were detected by using immunofluorescence and flow cytometric techniques, respectively, suggesting that the cytotoxicity should be induced by apoptosis even though the alkyl group was changed.
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Affiliation(s)
- Hisashi Nishiwaki
- Graduate School of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
- Correspondence: ; Tel.: +81-89-946-9973
| | - Megumi Ikari
- Graduate School of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Satomi Fujiwara
- Graduate School of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Kosuke Nishi
- Graduate School of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Takuya Sugahara
- Graduate School of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Koichi Akiyama
- ADRES Tarumi station, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Satoshi Yamauchi
- Graduate School of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
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Shinohara R, Ogawa N, Kawashima H, Wada K, Saito S, Yamazaki T, Kobayashi Y. SN
2 Reaction of Diarylmethyl Anions at Secondary Alkyl and Cycloalkyl Carbons. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801596] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Riku Shinohara
- Department of Bioengineering; Tokyo Institute of Technology; Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
| | - Narihito Ogawa
- Department of Bioengineering; Tokyo Institute of Technology; Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
| | - Hidehisa Kawashima
- Department of Bioengineering; Tokyo Institute of Technology; Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
| | - Kyohei Wada
- Department of Bioengineering; Tokyo Institute of Technology; Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
| | - Shun Saito
- Department of Bioengineering; Tokyo Institute of Technology; Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
| | - Takashi Yamazaki
- Division of Applied Chemistry, Institute of Engineering; Tokyo University of Agriculture and Technology; 2-24-16 Nakamachi Koganei 184-8588 Japan
| | - Yuichi Kobayashi
- Department of Bioengineering; Tokyo Institute of Technology; Nagatsuta-cho 4259, Midori-ku Yokohama 226-8501 Japan
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Syntheses of cytotoxic novel arctigenin derivatives bearing halogen and alkyl groups on aromatic rings. Bioorg Med Chem Lett 2017; 27:4199-4203. [DOI: 10.1016/j.bmcl.2017.06.070] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 06/25/2017] [Accepted: 06/26/2017] [Indexed: 11/19/2022]
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Yamauchi S, Tanimura R, Nishiwaki H, Nishi K, Sugahara T, Maruyama M, Ano Y, Akiyama K, Kishida T. Enantioselective syntheses of both enantiomers of 9'-dehydroxyimperanene and 7,8-dihydro-9'-dehydroxyimperanene and the comparison of biological activity between 9-norlignans and dihydroguaiaretic acids. Bioorg Med Chem Lett 2016; 26:3019-3023. [PMID: 27210431 DOI: 10.1016/j.bmcl.2016.05.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2016] [Revised: 04/16/2016] [Accepted: 05/06/2016] [Indexed: 11/16/2022]
Abstract
To estimate the effect of methyl group of dihydroguaiaretic acid, which shows many kinds of biological activities, on biological activity, both enantiomers of 9'-dehydroxyimperanene (5, 6) and 7,8-dihydro-9'-dehydroxyimperanene (7, 8) lacking one of the methyl groups of dihydroguaiaretic acid were synthesized. (S)-7,8-Dihydro-9'-dehydroxyimperanene (7) showed 4-6-fold higher cytotoxic activity than all stereoisomers of dihydroguaiaretic acid (2-4). The IC50 values of (S)-7,8-dihydro-9'-dehydroxyimperanene (7) against HL-60 and HeLa cells were 6.1μM and 5.6μM, respectively. Though only one of three stereoisomers of dihydroguaiaretic acid showed antibacterial activity against a gram negative bacterium, both enantiomers of 5-8 showed antibacterial activity against a gram negative bacterium. This is a Letter on biological activity of 9-norlignan, in which one of methyl groups of lignan is absent.
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Affiliation(s)
- Satoshi Yamauchi
- Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan; South Ehime Fisheries Research Center, 1289-1 Funakoshi, Ainan, Ehime 798-4292, Japan.
| | - Ryosuke Tanimura
- Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Hisashi Nishiwaki
- Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Kosuke Nishi
- Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Takuya Sugahara
- Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan; South Ehime Fisheries Research Center, 1289-1 Funakoshi, Ainan, Ehime 798-4292, Japan
| | - Masafumi Maruyama
- Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Yoshitaka Ano
- Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Koichi Akiyama
- Advanced Research Support Center (ADRES), Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Taro Kishida
- Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan; South Ehime Fisheries Research Center, 1289-1 Funakoshi, Ainan, Ehime 798-4292, Japan
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Wukirsari T, Nishiwaki H, Nishi K, Sugahara T, Akiyama K, Kishida T, Yamauchi S. Effect of the structure of dietary epoxylignan on its cytotoxic activity: relationship between the structure and the activity of 7,7′-epoxylignan and the introduction of apoptosis by caspase 3/7. Biosci Biotechnol Biochem 2016; 80:669-75. [DOI: 10.1080/09168451.2015.1123603] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Abstract
We compared the cytotoxic activities of dietary epoxylignans and their stereoisomers and found (−)-verrucosin, which is (7S,7′R,8R,8′R)-7,7′-epoxylignan, to be the most cytotoxic epoxylignan against HeLa cells (IC50 = 6.6 μM). On the other hand, the activity was about a factor of 10 less against HL-60. In this research on the relationship between the structure and cytotoxic activity of (−)-verrucosin 13, the 7-(4-methoxyphenyl)-7′-(3,4-dimethoxyphenyl) derivative 60, for which the activity (IC50 = 2.4 μM) is three times greater than (−)-verrucosin 13, was discovered. The induction of apoptosis by caspase 3/7 was observed upon treatment with the (−)-verrucosin derivative.
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Affiliation(s)
- Tuti Wukirsari
- Faculty of Agriculture, Ehime University, Matsuyama, Japan
| | | | - Kosuke Nishi
- Faculty of Agriculture, Ehime University, Matsuyama, Japan
| | - Takuya Sugahara
- Faculty of Agriculture, Ehime University, Matsuyama, Japan
- South Ehime Fisheries Research Center, Ainan, Japan
| | - Koichi Akiyama
- Advanced Research Support Center (ADRES), Ehime University, Matsuyama, Japan
| | - Taro Kishida
- Faculty of Agriculture, Ehime University, Matsuyama, Japan
- South Ehime Fisheries Research Center, Ainan, Japan
| | - Satoshi Yamauchi
- Faculty of Agriculture, Ehime University, Matsuyama, Japan
- South Ehime Fisheries Research Center, Ainan, Japan
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Sparzak B, Krauze-Baranowska M, Kawiak A, Sowiński P. Cytotoxic Lignan from the Non-Transformed Root Culture of Phyllanthus amarus. Molecules 2015; 20:7915-24. [PMID: 25942372 PMCID: PMC6272180 DOI: 10.3390/molecules20057915] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 04/17/2015] [Accepted: 04/22/2015] [Indexed: 11/16/2022] Open
Abstract
A new lignan from the non-transformed root in vitro cultures of Phyllanthus amarus was isolated. The structure of the compound was established on the basis of one- and two-dimensional NMR, as well as mass spectrometry data, as 7'-oxocubebin dimethylether (1,4-bis(benzo[d][1,3]dioxol-5-yl)-2,3-bis(methoxymethyl)butan-1-on). The non-transformed root cultures of P. amarus showed to be a selective source of this compound. The lignan revealed strong cytotoxic activity against HeLa cell line with an IC50 value of 3.8 µg/mL.
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Affiliation(s)
- Barbara Sparzak
- Department of Pharmacognosy with Medicinal Plants Garden, Medical University of Gdańsk, Gdańsk 80-210, Poland.
| | - Mirosława Krauze-Baranowska
- Department of Pharmacognosy with Medicinal Plants Garden, Medical University of Gdańsk, Gdańsk 80-210, Poland.
| | - Anna Kawiak
- Department of Biotechnology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, Gdańsk 80-822, Poland.
| | - Paweł Sowiński
- NMR Laboratory, Faculty of Chemistry, Technical University of Gdańsk, Gdańsk 80-233, Poland.
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