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Ishii T, Kobayakawa T, Matsuda K, Nigorikawa K, Bolah P, Noborio A, Tsuji K, Ohashi N, Yoshimura K, Nomura W, Mitsuya H, Maeda K, Tamamura H. Discovery of Potent DAG-Lactone Derivatives as HIV Latency Reversing Agents. ACS Infect Dis 2024; 10:2250-2261. [PMID: 38771724 DOI: 10.1021/acsinfecdis.4c00194] [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] [Indexed: 05/23/2024]
Abstract
Toward human immunodeficiency virus type-1 (HIV-1) cure, cells latently infected with HIV-1 must be eliminated from people living with HIV-1. We previously developed a protein kinase C (PKC) activator, diacylglycerol (DAG)-lactone derivative 3, with high HIV-1 latency-reversing activity, based on YSE028 (2) as a lead compound and found that the activity was correlated with binding affinity for PKC and stability against esterase-mediated hydrolysis. Here, we synthesized new DAG-lactone derivatives not only containing a tertiary ester group or an isoxazole surrogate but also several symmetric alkylidene moieties to improve HIV-1 latency reversing activity. Compound 9a, with a dimethyl group at the α-position of the ester group, exerted twice higher HIV-1 latency reversing activity than compound 3, and compound 26, with the isoxazole moiety, was significantly active. In addition, DAG-lactone derivatives with moderate hydrophobicity and potent biostability showed high biological activity.
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Affiliation(s)
- Takahiro Ishii
- Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo 101-0062, Japan
| | - Takuya Kobayakawa
- Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo 101-0062, Japan
| | - Kouki Matsuda
- Division of Antiviral Therapy, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, Kagoshima 890-8544, Japan
| | - Kiyomi Nigorikawa
- Department of Genome and Biomolecular Engineering for Drug Discovery, School of Pharmaceutical Sciences and Graduate School of Biomedical & Health Sciences, Hiroshima University, Minami-ku, Hiroshima 734-8553, Japan
| | - Peter Bolah
- Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo 101-0062, Japan
| | - Airi Noborio
- Division of Antiviral Therapy, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, Kagoshima 890-8544, Japan
| | - Kohei Tsuji
- Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo 101-0062, Japan
| | - Nami Ohashi
- Laboratory of Drug Design and Medicinal Chemistry, Showa Pharmaceutical University, Machida, Tokyo 194-8543, Japan
| | - Kazuhisa Yoshimura
- Institute of Public Health, Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government, Shinjuku-ku, Tokyo 169-0073, Japan
| | - Wataru Nomura
- Department of Genome and Biomolecular Engineering for Drug Discovery, School of Pharmaceutical Sciences and Graduate School of Biomedical & Health Sciences, Hiroshima University, Minami-ku, Hiroshima 734-8553, Japan
| | - Hiroaki Mitsuya
- Department of Refractory Viral Infections, National Center for Global Health and Medicine Research Institute, Shinjuku-ku, Tokyo 162-8655, Japan
- Experimental Retrovirology Section, HIV and AIDS Malignancy Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
- Department of Clinical Sciences, Kumamoto University Hospital, Chuo-ku, Kumamoto 860-8556, Japan
| | - Kenji Maeda
- Division of Antiviral Therapy, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, Kagoshima 890-8544, Japan
| | - Hirokazu Tamamura
- Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo 101-0062, Japan
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2
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Otsuki K, Kobayashi T, Nakamura K, Kikuchi T, Huang L, Chen CH, Koike K, Li W. LC-MS identification, isolation, and structural elucidation of anti-HIV macrocyclic daphnane orthoesters from Edgeworthia chrysantha. Fitoterapia 2024; 172:105731. [PMID: 37935270 PMCID: PMC10842090 DOI: 10.1016/j.fitote.2023.105731] [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: 08/12/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 11/09/2023]
Abstract
The occurrence of macrocyclic daphnane orthoesters (MDOs) with a 1-alkyl group originating from a C14 aliphatic chain is extremely limited in the plant kingdom and has only been isolated from Edgeworthia chrysantha. In the present study, LC-ESI-MS/MS analysis was performed on different parts of E. chrysantha, including flower buds, flowers, leaves, and stems, and resulted in the identification of seven MDOs in all the four plant parts, including two previously unreported compounds 1 and 7. Further LC-MS guided isolation was carried out to afford compounds 1 and 7, and their structures were determined by various spectroscopic analyses. These compounds were also evaluated for anti-HIV activity, thus expanding insights into the structure-activity relationships for MDOs.
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Affiliation(s)
- Kouharu Otsuki
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan.
| | - Tsubasa Kobayashi
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Kazuki Nakamura
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Takashi Kikuchi
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Li Huang
- Surgical Sciences, Department of Surgery, Duke University Medical Center, Durham, NC 27710, United States
| | - Chin-Ho Chen
- Surgical Sciences, Department of Surgery, Duke University Medical Center, Durham, NC 27710, United States
| | - Kazuo Koike
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Wei Li
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan.
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3
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Otsuki K, Li W. Tigliane and daphnane diterpenoids from Thymelaeaceae family: chemistry, biological activity, and potential in drug discovery. J Nat Med 2023; 77:625-643. [PMID: 37294498 PMCID: PMC10465420 DOI: 10.1007/s11418-023-01713-x] [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: 04/07/2023] [Accepted: 05/27/2023] [Indexed: 06/10/2023]
Abstract
Tigliane and daphnane diterpenoids are characteristically distributed in plants of the Thymelaeaceae family as well as the Euphorbiaceae family and are structurally diverse due to the presence of polyoxygenated functionalities in the polycyclic skeleton. These diterpenoids are known as toxic components, while they have been shown to exhibit a wide variety of biological activities, such as anti-cancer, anti-HIV, and analgesic activity, and are attracting attention in the field of natural product drug discovery. This review focuses on naturally occurring tigliane and daphnane diterpenoids from plants of the Thymelaeaceae family and provides an overview of their chemical structure, distribution, isolation, structure determination, chemical synthesis, and biological activities, with a prime focus on the recent findings.
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Affiliation(s)
- Kouharu Otsuki
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan
| | - Wei Li
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan.
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4
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Ishii T, Kobayakawa T, Matsuda K, Tsuji K, Ohashi N, Nakahata S, Noborio A, Yoshimura K, Mitsuya H, Maeda K, Tamamura H. Synthesis and evaluation of DAG-lactone derivatives with HIV-1 latency reversing activity. Eur J Med Chem 2023; 256:115449. [PMID: 37224601 PMCID: PMC10683555 DOI: 10.1016/j.ejmech.2023.115449] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 05/01/2023] [Accepted: 05/02/2023] [Indexed: 05/26/2023]
Abstract
Cells latently infected with human immunodeficiency virus type 1 (HIV-1) prevent people living with HIV-1 from obtaining a cure to the infectious disease. Latency reversing agents (LRAs) such as protein kinase C (PKC) activators and histone deacetylase (HDAC) inhibitors can reactivate cells latently infected with HIV-1. Several trials based on treatment with HDAC inhibitors alone, however, failed to reduce the number of latent HIV-1 reservoirs. Herein, we have focused on a diacylglycerol (DAG)-lactone derivative, YSE028 (1), which is a PKC activator with latency reversing activity and no significant cytotoxicity. Caspase-3 activation of YSE028 (1) led to cell apoptosis, specifically in HIV-1 latently infected cells. Structure-activity relationship studies of YSE028 (1) have produced several useful derivatives. Among these, compound 2 is approximately ten times more potent than YSE028 (1) in reactivation of cells latently infected with HIV-1. The activity of DAG-lactone derivatives was correlated with the binding affinity for PKC and the stability against esterase-mediated hydrolysis.
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Affiliation(s)
- Takahiro Ishii
- Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo, 101-0062, Japan
| | - Takuya Kobayakawa
- Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo, 101-0062, Japan
| | - Kouki Matsuda
- Division of Antiviral Therapy, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, 890-8544, Japan; AIDS Clinical Center, National Center for Global Health and Medicine Research Institute, Shinjuku-ku, Tokyo, 162-8655, Japan
| | - Kohei Tsuji
- Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo, 101-0062, Japan
| | - Nami Ohashi
- Laboratory of Drug Design and Medicinal Chemistry, Showa Pharmaceutical University, Machida, Tokyo, 194-8543, Japan
| | - Shingo Nakahata
- Division of HTLV-1/ATL Carcinogenesis and Therapeutics, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, 890-8544, Japan
| | - Airi Noborio
- Division of Antiviral Therapy, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, 890-8544, Japan
| | - Kazuhisa Yoshimura
- Institute of Public Health, Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government, Shinjuku-ku, Tokyo, 169-0073, Japan
| | - Hiroaki Mitsuya
- Department of Refractory Viral Infections, National Center for Global Health and Medicine Research Institute, Shinjuku-ku, Tokyo, 162-8655, Japan; Experimental Retrovirology Section, HIV and AIDS Malignancy Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, United States; Department of Clinical Sciences, Kumamoto University Hospital, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Kenji Maeda
- Division of Antiviral Therapy, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, 890-8544, Japan
| | - Hirokazu Tamamura
- Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo, 101-0062, Japan.
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5
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Tan L, Otsuki K, Zhang M, Kikuchi T, Okayasu M, Azumaya I, Zhou D, Li N, Huang L, Chen CH, Li W. Daphnepedunins A-F, Anti-HIV Macrocyclic Daphnane Orthoester Diterpenoids from Daphne pedunculata. JOURNAL OF NATURAL PRODUCTS 2022; 85:2856-2864. [PMID: 36516989 PMCID: PMC10131280 DOI: 10.1021/acs.jnatprod.2c00894] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
From the whole plant of Daphne pedunculata, 12 macrocyclic daphnane diterpenoids, including six new compounds, daphnepedunins A-F (1-4, 9, and 10), were isolated. Their structures were elucidated by physiochemical and spectroscopic data analysis, the modified Mosher's method, and X-ray crystallography. The isolated compounds were evaluated for anti-HIV activity against HIV-1 infection in MT4 cells and showed significant anti-HIV activity with IC50 values of 36.3-994 nM. A consideration of the anti-HIV activity of these compounds provided further insight into the structure-activity relationships of macrocyclic daphnane diterpenoids.
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Affiliation(s)
- Lingjian Tan
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Kouharu Otsuki
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Mi Zhang
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Takashi Kikuchi
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Misaki Okayasu
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Isao Azumaya
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Di Zhou
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of China
| | - Ning Li
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of China
| | - Li Huang
- Surgical Science, Department of Surgery, Duke University Medical Center, Durham, North Carolina, 27710, United States
| | - Chin-Ho Chen
- Surgical Science, Department of Surgery, Duke University Medical Center, Durham, North Carolina, 27710, United States
| | - Wei Li
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
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6
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Xu Z, Eichler B, Klausner EA, Duffy-Matzner J, Zheng W. Lead/Drug Discovery from Natural Resources. Molecules 2022; 27:molecules27238280. [PMID: 36500375 PMCID: PMC9736696 DOI: 10.3390/molecules27238280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/18/2022] [Accepted: 11/18/2022] [Indexed: 11/29/2022] Open
Abstract
Natural products and their derivatives have been shown to be effective drug candidates against various diseases for many years. Over a long period of time, nature has produced an abundant and prosperous source pool for novel therapeutic agents with distinctive structures. Major natural-product-based drugs approved for clinical use include anti-infectives and anticancer agents. This paper will review some natural-product-related potent anticancer, anti-HIV, antibacterial and antimalarial drugs or lead compounds mainly discovered from 2016 to 2022. Structurally typical marine bioactive products are also included. Molecular modeling, machine learning, bioinformatics and other computer-assisted techniques that are very important in narrowing down bioactive core structural scaffolds and helping to design new structures to fight against key disease-associated molecular targets based on available natural products are considered and briefly reviewed.
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Affiliation(s)
- Zhihong Xu
- Department of Chemistry and Biochemistry, Augustana University, 2001 S Summit Ave., Sioux Falls, SD 57197, USA
- Institute of Interventional & Vascular Surgery, Tongji University, Shanghai 200072, China
- Department of Pharmaceutical Sciences, South College School of Pharmacy, 400 Goody’s Lane, Knoxville, TN 37922, USA
- Correspondence: ; Tel.: +1-(605)-274-5008
| | - Barrett Eichler
- Department of Chemistry and Biochemistry, Augustana University, 2001 S Summit Ave., Sioux Falls, SD 57197, USA
| | - Eytan A. Klausner
- Department of Pharmaceutical Sciences, South College School of Pharmacy, 400 Goody’s Lane, Knoxville, TN 37922, USA
| | - Jetty Duffy-Matzner
- Department of Chemistry and Biochemistry, Augustana University, 2001 S Summit Ave., Sioux Falls, SD 57197, USA
| | - Weifan Zheng
- Biomanufacturing Research Institute and Technology Enterprise, North Carolina Central University, 1801 Fayetteville St., Durham, NC 27707, USA
- Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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7
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Asada Y, Otsuki K, Morooka M, Huang L, Chen CH, Koike K, Li W. Anti-HIV Macrocyclic Daphnane Orthoesters with an Unusual Macrocyclic Ring from Edgeworthia chrysantha. JOURNAL OF NATURAL PRODUCTS 2022; 85:2399-2405. [PMID: 36169204 PMCID: PMC10114293 DOI: 10.1021/acs.jnatprod.2c00618] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Edgeworthianins A-E (1-5) were isolated from Edgeworthia chrysantha as a class of macrocyclic daphnane orthoesters with an unusual macrocyclic ring formed from a C14 aliphatic chain. Their structures were elucidated by extensive physicochemical and spectroscopic analyses. Compounds 2, 4, and 5 exhibited potent anti-HIV activity against HIV-1 infection of MT4 cells with EC50 values of 29.3, 8.4, and 2.9 nM, respectively. These compounds broaden the findings of the structure-activity relationship of macrocyclic daphnane orthoesters for further anti-HIV drug development.
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Affiliation(s)
- Yoshihisa Asada
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Kouharu Otsuki
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Miki Morooka
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Li Huang
- Surgical Science, Department of Surgery, Duke University Medical Center, Durham, NC, 27710, United States
| | - Chin-Ho Chen
- Surgical Science, Department of Surgery, Duke University Medical Center, Durham, NC, 27710, United States
| | - Kazuo Koike
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Wei Li
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
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8
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Ma X, Zhang H, Wang S, Deng R, Luo D, Luo M, Huang Q, Yu S, Pu C, Liu Y, Tong Y, Li R. Recent Advances in the Discovery and Development of Anti-HIV Natural Products. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2022; 50:1173-1196. [PMID: 35786172 DOI: 10.1142/s0192415x22500483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Acquired immunodeficiency syndrome (AIDS) caused by human immunodeficiency virus (HIV) infection is a serious public problem threatening global health. At present, although "cocktail therapy" has achieved significant clinical effects, HIV still cannot be completely eradicated. Furthermore, long-term antiviral treatment has caused problems such as toxic side effects, the emergence of drug-resistant viruses, and poor patient compliance. Therefore, it is highly necessary to continue to search for high-efficient, low-toxic anti-HIV drugs with new mechanisms. Natural products have the merits of diverse scaffolds, biological activities, and low toxicity that are deemed the important sources of drug discovery. Thus, finding lead compounds from natural products followed by structure optimization has become one of the important ways of modern drug discovery. Nowadays, many natural products have been found, such as berberine, gnidimacrin, betulone, and kuwanon-L, which exert effective anti-HIV activity through immune regulation, inhibition of related functional enzymes in HIV replication, and anti-oxidation. This paper reviewed these natural products, their related chemical structure optimization, and their anti-HIV mechanisms.
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Affiliation(s)
- Xinyu Ma
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
| | - Hongjia Zhang
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
| | - Shirui Wang
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
| | - Rui Deng
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
| | - Dan Luo
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
| | - Meng Luo
- Translational Skin Cancer Research, German Cancer Consortium (DKTK), Dermatology, University Duisburg-Essen, Essen, Germany
| | - Qing Huang
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
| | - Su Yu
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
| | - Chunlan Pu
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
| | - Yuanyuan Liu
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
| | - Yu Tong
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, P. R. China
| | - Rui Li
- State Key Laboratory of Biotherapy, Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, P. R. China
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9
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El-Desoky AHH, Eguchi K, Kishimoto N, Asano T, Kato H, Hitora Y, Kotani S, Nakamura T, Tsuchiya S, Kawahara T, Watanabe M, Wada M, Nakajima M, Watanabe T, Misumi S, Tsukamoto S. Isolation, Synthesis, and Structure-Activity Relationship Study on Daphnane and Tigliane Diterpenes as HIV Latency-Reversing Agents. J Med Chem 2022; 65:3460-3472. [PMID: 35113551 DOI: 10.1021/acs.jmedchem.1c01973] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Three new diterpenes, stellejasmins A (1) and B (2) and 12-O-benzoylphorbol-13-heptanoate (3), were isolated from the roots of Stellera chamaejasme L. The structures of 1-3 were elucidated by extensive NMR and mass spectroscopic analyses. Compounds 1 and 2 are the first derivatives containing a hydroxy group at C-2 in the family of daphnane and tigliane diterpenes. The presence of a chlorine atom in 1 is unique in the plant metabolite. Compound 3 has an odd-number acyl group, which is biosynthetically notable. Human immunodeficiency virus (HIV) LTR-driven transcription activity was tested with 1-3 and 17 known diterpenes isolated from S. chamaejasme L. and Wikstroemia retusa A.Gray. Among these, gnidimacrin (4), stelleralide A (5), and wikstroelide A (20) were highly potent, with EC50 values of 0.14, 0.33, and 0.39 nM, respectively. The structure-activity relationship (SAR) was investigated using 20 natural and eight synthetic diterpenes. This is the first SAR study on natural daphnane and tigliane diterpenes.
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Affiliation(s)
- Ahmed H H El-Desoky
- Department of Natural Medicines, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan.,Pharmaceutical Industries Research Division, Pharmacognosy Department, National Research Centre, 33 El Bohouth Street (Former El Tahrir Street), P.O. Box 12622, Dokki, Giza 12511, Egypt
| | - Keisuke Eguchi
- Department of Natural Medicines, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Naoki Kishimoto
- Department of Environmental and Molecular Health Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Toshifumi Asano
- Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Hikaru Kato
- Department of Natural Medicines, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Yuki Hitora
- Department of Natural Medicines, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Shunsuke Kotani
- Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan.,Department of Instrumental Analysis, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Teruya Nakamura
- Department of Structural Biology, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Soken Tsuchiya
- Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Teppei Kawahara
- Department of Instrumental Analysis, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Masato Watanabe
- Technical Division, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Mikiyo Wada
- Department of Instrumental Analysis, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Makoto Nakajima
- Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Takashi Watanabe
- Department of Medicinal Botany, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Shogo Misumi
- Department of Environmental and Molecular Health Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Sachiko Tsukamoto
- Department of Natural Medicines, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
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10
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Otsuki K, Zhang M, Kikuchi T, Tsuji M, Tejima M, Bai ZS, Zhou D, Huang L, Chen CH, Lee KH, Li N, Koike K, Li W. Identification of anti-HIV macrocyclic daphnane orthoesters from Wikstroemia ligustrina by LC-MS analysis and phytochemical investigation. J Nat Med 2021; 75:1058-1066. [PMID: 34287744 DOI: 10.1007/s11418-021-01551-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 07/12/2021] [Indexed: 12/31/2022]
Abstract
Macrocyclic daphnane orthoesters (MDOs) have attracted significant research interest for the drug discovery to cure HIV infection based on the "Shock and Kill" strategy. In the present study, the first chemical study on Wikstroemia ligustrina (Thymelaeaceae) was carried out by LC-MS analysis and phytochemical investigation. Nine daphnane diterpenoids (1-9) including seven MDOs were detected by LC-MS analysis. Further phytochemical investigation resulted in the isolation and structural elucidation of five daphnanes (1, 2, 5, 8, and 9) with potent anti-HIV activity. Taking the isolated MDO (1) as a model compound, the MS/MS fragmentation pathway was also elucidated.
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Affiliation(s)
- Kouharu Otsuki
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan
| | - Mi Zhang
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan
| | - Takashi Kikuchi
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan
| | - Minami Tsuji
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan
| | - Miyuko Tejima
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan
| | - Zi-Song Bai
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Di Zhou
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Li Huang
- Surgical Science, Department of Surgery, Duke University Medical Center, Durham, NC, 27710, USA
| | - Chin-Ho Chen
- Surgical Science, Department of Surgery, Duke University Medical Center, Durham, NC, 27710, USA
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27599, USA.,Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, 404, Taiwan
| | - Ning Li
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China.
| | - Kazuo Koike
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan
| | - Wei Li
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba, 274-8510, Japan.
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11
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Li SF, Liang X, Wu XK, Gao X, Zhang LW. Discovering the Mechanisms of Wikstroelide E as a Potential HIV-Latency-Reversing Agent by Transcriptome Profiling. JOURNAL OF NATURAL PRODUCTS 2021; 84:1022-1033. [PMID: 33721994 DOI: 10.1021/acs.jnatprod.0c01039] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The discovery of efficient and specific HIV-latency-reversing agents is critical for HIV therapy. Here, we developed wikstroelide E, a daphnane diterpene from the buds of Wikstroemia chamaedaphne, as a potential HIV-latency-reversing agent that is 2500-fold more potent than the drug prostratin. Based on transcriptome analysis, the underlying mechanism was that wikstroelide E regulated the MAPK, PI3K-Akt, JAK-Stat, TNF, and NF-κB signaling pathways. We clearly demonstrated that wikstroelide E reversed latent HIV infection by activating PKC-NF-κB signals, serving as a proxy for verifying the transcriptome data. Strikingly, the Tat protein contributes to the robust activation of latent HIV in wikstroelide-E-treated cells, producing an unexpected latency-reversing effect against latent HIV. This study provides the basis for the potential development of wikstroelide E as an effective HIV-latency-reversing agent.
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Affiliation(s)
- Shi-Fei Li
- Key Laboratory of Chemical Biology and Molecular Engineering of Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, People's Republic of China
| | - Xue Liang
- Key Laboratory of Chemical Biology and Molecular Engineering of Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, People's Republic of China
| | - Xing-Kang Wu
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, People's Republic of China
| | - Xiang Gao
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, People's Republic of China
| | - Li-Wei Zhang
- Key Laboratory of Chemical Biology and Molecular Engineering of Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, People's Republic of China
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12
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Xie R, Xia G, Zhu J, Lin P, Fan X, Zi J. Daphnane-type diterpenoids from Euphorbia fischeriana Steud and their cytotoxic activities. Fitoterapia 2020; 149:104810. [PMID: 33359422 DOI: 10.1016/j.fitote.2020.104810] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/13/2020] [Accepted: 12/14/2020] [Indexed: 12/31/2022]
Abstract
Two new daphnane-type diterpenoids fischerianin A (1) and fischerianin B (2), as well as two known ones langduin A (3) and langduin A6 (4), were isolated from the extracts of Euphorbia fischeriana Steud dry roots. Their structures including the absolute stereochemistry were determined by various spectroscopic methods and comparing their experimental and calculated CD spectra. 1 and 2 harbor a ketal group and a 9,13-oxide bridge in their C ring which is rare in daphnane-type diterpenoids. In cytotoxic assays, moderately inhibitory activities of 1-4 against human cancer cell lines (human malignant melanoma cell line, A375; human liver carcinoma cell line, HepG2; human promyelocytic leukemia cell line, HL-60; human Caucasian chronic myelogenous leukemia cell line, K562; human cervix epithelioid carcinoma cell line, HeLa) were observed, with IC50 values ranging from 5.31 to 21.46 μM.
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Affiliation(s)
- Rihan Xie
- College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China
| | - Guiyang Xia
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, People's Republic of China
| | - Jianxun Zhu
- College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China
| | - Pengcheng Lin
- College of Pharmacy, Qinghai Nationalities University, Xining 810007, People's Republic of China
| | - Xiaona Fan
- Department of Physiology, School of Medicine, Jinan University, Guangzhou 510632, People's Republic of China.
| | - Jiachen Zi
- College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China.
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13
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Lu Y, Huang YS, Chen CH, Akiyama T, Morris-Natschke SL, Cheng YY, Chen IS, Yang SZ, Chen DF, Lee KH. Anti-HIV tigliane diterpenoids from Reutealis trisperma. PHYTOCHEMISTRY 2020; 174:112360. [PMID: 32229336 PMCID: PMC7238976 DOI: 10.1016/j.phytochem.2020.112360] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 03/10/2020] [Accepted: 03/18/2020] [Indexed: 05/25/2023]
Abstract
Bioassay-guided fractionation of the n-butanol extract from the branches and leaves of Reutealis trisperma resulted in the isolation of six undescribed (crotignoids L ~ Q) together with two known (12-deoxyphorbol-13-hexadecanoate and 12-deoxyphorbol-13-myristate) tigliane diterpenoids. Their structures, especially the absolute configurations, were determined from extensive spectroscopic studies, including 2D NMR spectra, CD data analysis and electronic circular dichroism (ECD) calculations. All isolates were tested for anti-HIV activity against HL4-3 virus in MT4 cells. Except for crotignoid Q, the remaining seven tigliane diterpenoids exhibited potent anti-HIV activity with IC50 values ranging from 0.0023 to 4.03 μM.
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Affiliation(s)
- Yan Lu
- School of Pharmacy, Institutes of Integrative Medicine, Fudan University, Shanghai, 201203, People's Republic of China; Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27599-7568, United States
| | - Ya-Si Huang
- School of Pharmacy, Institutes of Integrative Medicine, Fudan University, Shanghai, 201203, People's Republic of China
| | - Chin-Ho Chen
- Duke University Medical Center, Box 2926, SORF, Durham, NC, 27710, United States
| | - Toshiyuki Akiyama
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27599-7568, United States
| | - Susan L Morris-Natschke
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27599-7568, United States
| | - Yung-Yi Cheng
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27599-7568, United States
| | - Ih-Sheng Chen
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Sheng-Zehn Yang
- Department of Forestry, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Dao-Feng Chen
- School of Pharmacy, Institutes of Integrative Medicine, Fudan University, Shanghai, 201203, People's Republic of China.
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27599-7568, United States; Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan.
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14
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Hashemi P, Sadowski I. Diversity of small molecule HIV-1 latency reversing agents identified in low- and high-throughput small molecule screens. Med Res Rev 2020; 40:881-908. [PMID: 31608481 PMCID: PMC7216841 DOI: 10.1002/med.21638] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 08/26/2019] [Accepted: 09/16/2019] [Indexed: 12/12/2022]
Abstract
The latency phenomenon produced by human immunodeficiency virus (HIV-1) prevents viral clearance by current therapies, and consequently development of a cure for HIV-1 disease represents a formidable challenge. Research over the past decade has resulted in identification of small molecules that are capable of exposing HIV-1 latent reservoirs, by reactivation of viral transcription, which is intended to render these infected cells sensitive to elimination by immune defense recognition or apoptosis. Molecules with this capability, known as latency-reversing agents (LRAs) could lead to realization of proposed HIV-1 cure strategies collectively termed "shock and kill," which are intended to eliminate the latently infected population by forced reactivation of virus replication in combination with additional interventions that enhance killing by the immune system or virus-mediated apoptosis. Here, we review efforts to discover novel LRAs via low- and high-throughput small molecule screens, and summarize characteristics and biochemical properties of chemical structures with this activity. We expect this analysis will provide insight toward further research into optimized designs for new classes of more potent LRAs.
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Affiliation(s)
- Pargol Hashemi
- Biochemistry and Molecular Biology, Molecular Epigenetics, Life Sciences InstituteUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Ivan Sadowski
- Biochemistry and Molecular Biology, Molecular Epigenetics, Life Sciences InstituteUniversity of British ColumbiaVancouverBritish ColumbiaCanada
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15
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Otsuki K, Li W, Asada Y, Chen CH, Lee KH, Koike K. Daphneodorins A-C, Anti-HIV Gnidimacrin Related Macrocyclic Daphnane Orthoesters from Daphne odora. Org Lett 2020; 22:11-15. [PMID: 31680527 PMCID: PMC7437546 DOI: 10.1021/acs.orglett.9b03539] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Three novel gnidimacrin related macrocyclic daphnanes (GMDs), daphneodorins A-C (2-4), were isolated from Daphne odora Thunb., together with gnidimacrin (1). Their structures were established by extensive physicochemical and spectroscopic analyses. Compounds 2 and 3 potently inhibited HIV-1 replication at subnanomolar concentrations (EC50 0.16 and 0.25 nM, respectively). Compounds 2-4 represent a novel type of GMDs that are highly oxygenated on the macrocyclic ring, suggesting good potential for anti-HIV drug development by further chemical modification.
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Affiliation(s)
- Kouharu Otsuki
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Wei Li
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Yoshihisa Asada
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
| | - Chin-Ho Chen
- Surgical Science, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, United States
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
- Chinese Medicine Research and Development Center, China Medical University and Hospital, Tiachung, 40447, Taiwan
| | - Kazuo Koike
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan
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