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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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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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Maki J, Oshimura A, Tsukano C, Yanagita RC, Saito Y, Sakakibara Y, Irie K. AI and computational chemistry-accelerated development of an alotaketal analogue with conventional PKC selectivity. Chem Commun (Camb) 2022; 58:6693-6696. [DOI: 10.1039/d2cc01759h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The protein kinase C (PKC) family consists of ten isozymes and is a potential target for treating cancer, Alzheimer’s disease, and HIV infection. Since known natural PKC agonists have little...
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