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Chuntakaruk H, Boonpalit K, Kinchagawat J, Nakarin F, Khotavivattana T, Aonbangkhen C, Shigeta Y, Hengphasatporn K, Nutanong S, Rungrotmongkol T, Hannongbua S. Machine learning-guided design of potent darunavir analogs targeting HIV-1 proteases: A computational approach for antiretroviral drug discovery. J Comput Chem 2024; 45:953-968. [PMID: 38174739 DOI: 10.1002/jcc.27298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/30/2023] [Accepted: 12/13/2023] [Indexed: 01/05/2024]
Abstract
In the pursuit of novel antiretroviral therapies for human immunodeficiency virus type-1 (HIV-1) proteases (PRs), recent improvements in drug discovery have embraced machine learning (ML) techniques to guide the design process. This study employs ensemble learning models to identify crucial substructures as significant features for drug development. Using molecular docking techniques, a collection of 160 darunavir (DRV) analogs was designed based on these key substructures and subsequently screened using molecular docking techniques. Chemical structures with high fitness scores were selected, combined, and one-dimensional (1D) screening based on beyond Lipinski's rule of five (bRo5) and ADME (absorption, distribution, metabolism, and excretion) prediction implemented in the Combined Analog generator Tool (CAT) program. A total of 473 screened analogs were subjected to docking analysis through convolutional neural networks scoring function against both the wild-type (WT) and 12 major mutated PRs. DRV analogs with negative changes in binding free energy (ΔΔ G bind ) compared to DRV could be categorized into four attractive groups based on their interactions with the majority of vital PRs. The analysis of interaction profiles revealed that potent designed analogs, targeting both WT and mutant PRs, exhibited interactions with common key amino acid residues. This observation further confirms that the ML model-guided approach effectively identified the substructures that play a crucial role in potent analogs. It is expected to function as a powerful computational tool, offering valuable guidance in the identification of chemical substructures for synthesis and subsequent experimental testing.
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Affiliation(s)
- Hathaichanok Chuntakaruk
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok, Thailand
- Department of Biochemistry, Faculty of Science, Center of Excellence in Structural and Computational Biology, Chulalongkorn University, Bangkok, Thailand
| | - Kajjana Boonpalit
- School of Information Science and Technology, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand
| | - Jiramet Kinchagawat
- School of Information Science and Technology, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand
| | - Fahsai Nakarin
- School of Information Science and Technology, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry (CENP), Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Chanat Aonbangkhen
- Center of Excellence in Natural Products Chemistry (CENP), Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Yasuteru Shigeta
- Center for Computational Sciences, University of Tsukuba, Ibaraki, Japan
| | | | - Sarana Nutanong
- School of Information Science and Technology, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand
| | - Thanyada Rungrotmongkol
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok, Thailand
- Department of Biochemistry, Faculty of Science, Center of Excellence in Structural and Computational Biology, Chulalongkorn University, Bangkok, Thailand
| | - Supot Hannongbua
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok, Thailand
- Department of Chemistry, Faculty of Science, Center of Excellence in Computational Chemistry (CECC), Chulalongkorn University, Bangkok, Thailand
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2
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Chuntakaruk H, Hengphasatporn K, Shigeta Y, Aonbangkhen C, Lee VS, Khotavivattana T, Rungrotmongkol T, Hannongbua S. FMO-guided design of darunavir analogs as HIV-1 protease inhibitors. Sci Rep 2024; 14:3639. [PMID: 38351065 PMCID: PMC10864397 DOI: 10.1038/s41598-024-53940-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 02/06/2024] [Indexed: 02/16/2024] Open
Abstract
The prevalence of HIV-1 infection continues to pose a significant global public health issue, highlighting the need for antiretroviral drugs that target viral proteins to reduce viral replication. One such target is HIV-1 protease (PR), responsible for cleaving viral polyproteins, leading to the maturation of viral proteins. While darunavir (DRV) is a potent HIV-1 PR inhibitor, drug resistance can arise due to mutations in HIV-1 PR. To address this issue, we developed a novel approach using the fragment molecular orbital (FMO) method and structure-based drug design to create DRV analogs. Using combinatorial programming, we generated novel analogs freely accessible via an on-the-cloud mode implemented in Google Colab, Combined Analog generator Tool (CAT). The designed analogs underwent cascade screening through molecular docking with HIV-1 PR wild-type and major mutations at the active site. Molecular dynamics (MD) simulations confirmed the assess ligand binding and susceptibility of screened designed analogs. Our findings indicate that the three designed analogs guided by FMO, 19-0-14-3, 19-8-10-0, and 19-8-14-3, are superior to DRV and have the potential to serve as efficient PR inhibitors. These findings demonstrate the effectiveness of our approach and its potential to be used in further studies for developing new antiretroviral drugs.
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Affiliation(s)
- Hathaichanok Chuntakaruk
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok, 10330, Thailand
- Center of Excellence in Structural and Computational Biology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Kowit Hengphasatporn
- Center for Computational Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan.
| | - Yasuteru Shigeta
- Center for Computational Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Chanat Aonbangkhen
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Vannajan Sanghiran Lee
- Chemistry Department, Faculty of Science, University Malaya, Kuala Lumpur, 50603, Malaysia
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Thanyada Rungrotmongkol
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok, 10330, Thailand.
- Center of Excellence in Structural and Computational Biology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Supot Hannongbua
- Center of Excellence in Computational Chemistry (CECC), Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
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3
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Cao V, Loeanurit N, Hengphasatporn K, Hairani R, Wacharachaisurapol N, Prompila N, Wittayalertpanya S, Shigeta Y, Khotavivattana T, Chavasiri W, Boonyasuppayakorn S. The 8-bromobaicalein alleviated chikungunya-induced musculoskeletal inflammation and reduced the viral load in healthy adult mice. Emerg Microbes Infect 2023; 12:2270074. [PMID: 37842770 PMCID: PMC10653753 DOI: 10.1080/22221751.2023.2270074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 10/05/2023] [Indexed: 10/17/2023]
Abstract
Chikungunya virus is a re-emerging arbovirus that has caused epidemic outbreaks in recent decades. Patients in older age groups with high viral load and severe immunologic response during acute infection are likely to develop chronic arthritis and severe joint pain. Currently, no antiviral drug is available. Previous studies suggested that a flavone derivative, 8-bromobaicalein, was a potential dengue and Zika replication inhibitor in a cell-based system targeting flaviviral polymerase. Here we characterized that 8-bromobaicalein inhibited chikungunya virus replication with EC50 of 0.49 ± 0.11 µM in Vero cells. The molecular target predicted at viral nsP1 methyltransferase using molecular binding and fragment molecular orbital calculation. Additionally, oral administration of 250 mg/kg twice daily treatment alleviated chikungunya-induced musculoskeletal inflammation and reduced viral load in healthy adult mice. Pharmacokinetic analysis indicated that the 250 mg/kg administration maintained the compound level above EC99.9 for 12 h. Therefore, 8-bromobaicalein should be a potential candidate for further development as a pan-arboviral drug.
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Affiliation(s)
- Van Cao
- Center of Excellence in Applied Medical Virology, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Interdisciplinary Program in Microbiology, Graduate School, Chulalongkorn University, Bangkok, Thailand
- DaNang University of Medical Technology and Pharmacy, DaNang, Vietnam
| | - Naphat Loeanurit
- Center of Excellence in Applied Medical Virology, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | | | - Rita Hairani
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Noppadol Wacharachaisurapol
- Clinical Pharmakokinetics and Pharmacogenomics Research Unit, Department of Pharmacology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Nantaporn Prompila
- Chula Pharmacokinetic Research Center, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Supeecha Wittayalertpanya
- Clinical Pharmakokinetics and Pharmacogenomics Research Unit, Department of Pharmacology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Chula Pharmacokinetic Research Center, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Yasuteru Shigeta
- Center for Computational Sciences, University of Tsukuba, Tsukuba, Japan
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Warinthorn Chavasiri
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Siwaporn Boonyasuppayakorn
- Center of Excellence in Applied Medical Virology, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Vaccine Research and Development, Chulalongkorn University (Chula-VRC), Bangkok, Thailand
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PHANNAJIT J, Luangjarmekorn P, Khotavivattana T, Lawalert S, Udomkarnjananun S, Tantavisut S, Kingpetch K, Wattanachanya L, Praditpornsilpa K, Eiam-ong S, Susantitaphong P. WCN23-0620 BONE HISTOMORPHOMETRY-GUIDED TREATMENT AND BONE MINERAL DENSITY CHANGES IN CHRONIC HEMODIALYSIS PATIENTS: A PROSPECTIVE COHORT STUDY. Kidney Int Rep 2023. [DOI: 10.1016/j.ekir.2023.02.334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023] Open
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5
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Hoarau M, Suwanakitti N, Varatthan T, Thiabma R, Rattanajak R, Charoensetakul N, Redman EK, Khotavivattana T, Vilaivan T, Yuthavong Y, Kamchonwongpaisan S. Assay Development and Identification of the First Plasmodium falciparum 7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase Inhibitors. Molecules 2022; 27:molecules27113515. [PMID: 35684452 PMCID: PMC9182141 DOI: 10.3390/molecules27113515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/23/2022] [Accepted: 05/27/2022] [Indexed: 11/24/2022]
Abstract
In the fight towards eradication of malaria, identifying compounds active against new drug targets constitutes a key approach. Plasmodium falciparum 7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase (PfHPPK) has been advanced as a promising target, as being part of the parasite essential folate biosynthesis pathway while having no orthologue in the human genome. However, no drug discovery efforts have been reported on this enzyme. In this study, we conducted a three-step screening of our in-house antifolate library against PfHPPK using a newly designed PfHPPK-GFP protein construct. Combining virtual screening, differential scanning fluorimetry and enzymatic assay, we identified 14 compounds active against PfHPPK. Compounds’ binding modes were investigated by molecular docking, suggesting competitive binding with the HMDP substrate. Cytotoxicity and in vitro ADME properties of hit compounds were also assessed, showing good metabolic stability and low toxicity. The most active compounds displayed low micromolar IC50 against drug-resistant parasites. The reported hit compounds constitute a good starting point for inhibitor development against PfHPPK, as an alternative approach to tackle the malaria parasite.
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Affiliation(s)
- Marie Hoarau
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (N.S.); (T.V.); (R.T.); (R.R.); (N.C.); (Y.Y.); (S.K.)
- Correspondence:
| | - Nattida Suwanakitti
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (N.S.); (T.V.); (R.T.); (R.R.); (N.C.); (Y.Y.); (S.K.)
| | - Thaveechai Varatthan
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (N.S.); (T.V.); (R.T.); (R.R.); (N.C.); (Y.Y.); (S.K.)
| | - Ratthiya Thiabma
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (N.S.); (T.V.); (R.T.); (R.R.); (N.C.); (Y.Y.); (S.K.)
| | - Roonglawan Rattanajak
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (N.S.); (T.V.); (R.T.); (R.R.); (N.C.); (Y.Y.); (S.K.)
| | - Netnapa Charoensetakul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (N.S.); (T.V.); (R.T.); (R.R.); (N.C.); (Y.Y.); (S.K.)
| | - Emily K. Redman
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; (E.K.R.); (T.V.)
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Tirayut Vilaivan
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; (E.K.R.); (T.V.)
| | - Yongyuth Yuthavong
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (N.S.); (T.V.); (R.T.); (R.R.); (N.C.); (Y.Y.); (S.K.)
| | - Sumalee Kamchonwongpaisan
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (N.S.); (T.V.); (R.T.); (R.R.); (N.C.); (Y.Y.); (S.K.)
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6
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Hengphasatporn K, Kaewmalai B, Jansongsaeng S, Badavath VN, Saelee T, Chokmahasarn T, Khotavivattana T, Shigeta Y, Rungrotmongkol T, Boonyasuppayakorn S. Alkyne-Tagged Apigenin, a Chemical Tool to Navigate Potential Targets of Flavonoid Anti-Dengue Leads. Molecules 2021; 26:molecules26226967. [PMID: 34834059 PMCID: PMC8618255 DOI: 10.3390/molecules26226967] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/03/2021] [Accepted: 11/09/2021] [Indexed: 12/12/2022] Open
Abstract
A flavonoid is a versatile core structure with various cellular, immunological, and pharmacological effects. Recently, flavones have shown anti-dengue activities by interfering with viral translation and replication. However, the molecular target is still elusive. Here we chemically modified apigenin by adding an alkyne moiety into the B-ring hydroxyl group. The alkyne serves as a chemical tag for the alkyne-azide cycloaddition reaction for subcellular visualization. The compound located at the perinuclear region at 1 and 6 h after infection. Interestingly, the compound signal started shifting to vesicle-like structures at 6 h and accumulated at 24 and 48 h after infection. Moreover, the compound treatment in dengue-infected cells showed that the compound restricted the viral protein inside the vesicles, especially at 48 h. As a result, the dengue envelope proteins spread throughout the cells. The alkyne-tagged apigenin showed a more potent efficacy at the EC50 of 2.36 ± 0.22, and 10.55 ± 3.37 µM, respectively, while the cytotoxicities were similar to the original apigenin at the CC50 of 70.34 ± 11.79, and 82.82 ± 11.68 µM, respectively. Molecular docking confirmed the apigenin binding to the previously reported target, ribosomal protein S9, at two binding sites. The network analysis, homopharma, and molecular docking revealed that the estrogen receptor 1 and viral NS1 were potential targets at the late infection stage. The interactions could attenuate dengue productivity by interfering with viral translation and suppressing the viral proteins from trafficking to the cell surface.
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Affiliation(s)
- Kowit Hengphasatporn
- Center for Computational Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan; (K.H.); (Y.S.)
| | - Benyapa Kaewmalai
- Applied Medical Virology Research Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (B.K.); (V.N.B.); (T.S.)
- Interdisciplinary Program in Microbiology, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand
| | - Somruedee Jansongsaeng
- Center of Excellence for Natural Product, Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand; (S.J.); (T.C.); (T.K.)
| | - Vishnu Nayak Badavath
- Applied Medical Virology Research Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (B.K.); (V.N.B.); (T.S.)
| | - Thanaphon Saelee
- Applied Medical Virology Research Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (B.K.); (V.N.B.); (T.S.)
| | - Thamonwan Chokmahasarn
- Center of Excellence for Natural Product, Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand; (S.J.); (T.C.); (T.K.)
| | - Tanatorn Khotavivattana
- Center of Excellence for Natural Product, Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand; (S.J.); (T.C.); (T.K.)
| | - Yasuteru Shigeta
- Center for Computational Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan; (K.H.); (Y.S.)
| | - Thanyada Rungrotmongkol
- Structural and Computational Biology Research Unit, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand
| | - Siwaporn Boonyasuppayakorn
- Applied Medical Virology Research Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (B.K.); (V.N.B.); (T.S.)
- Correspondence:
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7
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Jansongsaeng S, Srimongkolpithak N, Pengon J, Kamchonwongpaisan S, Khotavivattana T. 5-Phenoxy Primaquine Analogs and the Tetraoxane Hybrid as Antimalarial Agents. Molecules 2021; 26:molecules26133991. [PMID: 34208832 PMCID: PMC8272044 DOI: 10.3390/molecules26133991] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/23/2021] [Accepted: 06/28/2021] [Indexed: 12/04/2022] Open
Abstract
The rapid emergence of drug resistance to the current antimalarial agents has led to the urgent need for the discovery of new and effective compounds. In this work, a series of 5-phenoxy primaquine analogs with 8-aminoquinoline core (7a–7h) was synthesized and investigated for their antimalarial activity against Plasmodium falciparum. Most analogs showed improved blood antimalarial activity compared to the original primaquine. To further explore a drug hybrid strategy, a conjugate compound between tetraoxane and the representative 5-phenoxy-primaquine analog 7a was synthesized. In our work, the hybrid compound 12 exhibited almost a 30-fold increase in the blood antimalarial activity (IC50 = 0.38 ± 0.11 μM) compared to that of primaquine, with relatively low toxicity against mammalian cells (SI = 45.61). Furthermore, we found that these 5-phenoxy primaquine analogs and the hybrid exhibit significant heme polymerization inhibition, an activity similar to that of chloroquine, which could contribute to their improved antimalarial activity. The 5-phenoxy primaquine analogs and the tetraoxane hybrid could serve as promising candidates for the further development of antimalarial agents.
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Affiliation(s)
- Somruedee Jansongsaeng
- Centre of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Nitipol Srimongkolpithak
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathum Thani 12120, Thailand; (N.S.); (J.P.); (S.K.)
| | - Jutharat Pengon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathum Thani 12120, Thailand; (N.S.); (J.P.); (S.K.)
| | - Sumalee Kamchonwongpaisan
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathum Thani 12120, Thailand; (N.S.); (J.P.); (S.K.)
| | - Tanatorn Khotavivattana
- Centre of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;
- Correspondence: ; Tel.: +66-2-218-7621
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8
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Chalermnon M, Cherdchom S, Sereemaspun A, Rojanathanes R, Khotavivattana T. Biguanide-Based Synthesis of 1,3,5-Triazine Derivatives with Anticancer Activity and 1,3,5-Triazine Incorporated Calcium Citrate Nanoparticles. Molecules 2021; 26:1028. [PMID: 33672071 PMCID: PMC7919653 DOI: 10.3390/molecules26041028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/11/2021] [Accepted: 02/12/2021] [Indexed: 11/24/2022] Open
Abstract
Twelve derivatives of biguanide-derived 1,3,5-triazines, a promising class of anticancer agent, were synthesised and evaluated for their anticancer activity against two colorectal cancer cell lines-HCT116 and SW620. 2c and 3c which are the derivatives containing o-hydroxyphenyl substituents exhibited the highest activity with IC50 against both cell lines in the range of 20-27 µM, which is comparable to the IC50 of cisplatin reference. Moreover, the potential use of the calcium citrate nanoparticles (CaCit NPs) as a platform for drug delivery system was studied on a selected 1,3,5-triazine derivative 2a. Condition optimisation revealed that the source of citrate ions and reaction time significantly influence the morphology, size and %drug loading of the particles. With the optimised conditions, "CaCit-2a NPs" were successfully synthesised with the size of 148 ± 23 nm and %drug loading of up to 16.3%. Furthermore, it was found that the release of 2a from the synthesised CaCit-2a NPs is pH-responsive, and 2a could be control released under the acidic cancer environment. The knowledge from this study is perceptive for further development of the 1,3,5-triazine-based anticancer drugs and provide the platform for the incorporation of other drugs in the CaCit NPs in the future.
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Affiliation(s)
- Monnaya Chalermnon
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Sarocha Cherdchom
- Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Phayathai Road, Wangmai, Patumwan, Bangkok 10330, Thailand;
- NanoMedicine Research Unit, Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Rama 4 Road, Patumwan, Bangkok 10330, Thailand
| | - Amornpun Sereemaspun
- Chula Medical Innovation Centre (CMIC), Nanomedicine Research Unit, Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Rojrit Rojanathanes
- Centre of Excellence in Materials and Bio-Interfaces, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Tanatorn Khotavivattana
- Centre of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
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9
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Khamkhenshorngphanuch T, Kulkraisri K, Janjamratsaeng A, Plabutong N, Thammahong A, Manadee K, Na Pombejra S, Khotavivattana T. Synthesis and Antimicrobial Activity of Novel 4-Hydroxy-2-quinolone Analogs. Molecules 2020; 25:molecules25133059. [PMID: 32635479 PMCID: PMC7412474 DOI: 10.3390/molecules25133059] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 06/30/2020] [Accepted: 07/03/2020] [Indexed: 11/16/2022] Open
Abstract
Alkyl quinolone has been proven to be a privileged scaffold in the antimicrobial drug discovery pipeline. In this study, a series of new 4-hydroxy-2-quinolinone analogs containing a long alkyl side chain at C-3 and a broad range of substituents on the C-6 and C-7 positions were synthesized. The antibacterial and antifungal activities of these analogs against Staphylococcus aureus, Escherichia coli, and Aspergillus flavus were investigated. The structure-activity relationship study revealed that the length of the alkyl chain, as well as the type of substituent, has a dramatic impact on the antimicrobial activities. Particularly, the brominated analogs 3j with a nonyl side chain exhibited exceptional antifungal activities against A. flavus (half maximal inhibitory concentration (IC50) = 1.05 µg/mL), which surpassed that of the amphotericin B used as a positive control. The antibacterial activity against S. aureus, although not as potent, showed a similar trend to the antifungal activity. The data suggest that the 4-hydroxy-2-quinolone is a promising framework for the further development of new antimicrobial agents, especially for antifungal treatment.
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Affiliation(s)
- Thitiphong Khamkhenshorngphanuch
- Department of General Education, Faculty of Science and Health Technology, Navamindradhiraj University, Bangkok 10300, Thailand;
| | - Kittipat Kulkraisri
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; (K.K.); (A.J.)
| | - Alongkorn Janjamratsaeng
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; (K.K.); (A.J.)
| | - Napasawan Plabutong
- Antimicrobial Resistance and Stewardship Research Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (N.P.); (A.T.)
| | - Arsa Thammahong
- Antimicrobial Resistance and Stewardship Research Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (N.P.); (A.T.)
| | - Kanitta Manadee
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; (K.M.); (S.N.P.)
| | - Sarisa Na Pombejra
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; (K.M.); (S.N.P.)
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
- Correspondence: ; Tel.: +66-2-218-7621
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10
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Suekaew N, Na Pombejra S, Kulsing C, Doungchawee J, Khotavivattana T. Bioassay-Guided Fractionation, Chemical Compositions and Antibacterial Activity of Extracts from Rhizomes of Globba schomburgkii Hook.f. Chem Biodivers 2020; 17:e2000173. [PMID: 32539168 DOI: 10.1002/cbdv.202000173] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 06/12/2020] [Indexed: 11/12/2022]
Abstract
Bioassay-guided fractionation was conducted on dichloromethane extract from the rhizomes of Globba schomburgkii Hook.f., which have previously been reported as the part with the highest antibacterial activity. 10 fractions and 20 sub-fractions were obtained and evaluated for their potency against various strains of bacteria. The most active sub-fractions were 8 times more effective against Staphylococcus aureus and Micrococcus luteus than the original crude extract. Moreover, two pure compounds, namely petasol and (E)-15,16-dinorlabda-8(17),11-dien-13-one, were successfully isolated and characterized for the first time from this plant species. Untargeted compound analysis of all fractions and sub-fractions was performed by gas chromatography hyphenated with mass spectrometry, leading to positive identification of 167 compounds according to comparison with the mass spectrum and retention index database, 137 of which have never been reported for G. schomburgkii. The correlation between antibacterial activity and composition of each fraction suggests that the bioactive compounds could be 4,8-β-epoxycaryophyllene, methyl isocostate, (E)-labda-8(17),12-diene-15,16-dial, α-kessyl acetate, zederone, clovanediol, ledene oxide-(I), alantolactone, or 8α,11-elemadiol.
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Affiliation(s)
- Naruemon Suekaew
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Sarisa Na Pombejra
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Chadin Kulsing
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Jeerapat Doungchawee
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.,Research Unit for Metabolic Bone Disease in CKD Patients, Chulalongkorn University, Bangkok, 10330, Thailand
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11
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Rimsueb N, Cherdchom S, Aksornkitti V, Khotavivattana T, Sereemaspun A, Rojanathanes R. Feeding Cells with a Novel "Trojan" Carrier: Citrate Nanoparticles. ACS Omega 2020; 5:7418-7423. [PMID: 32280883 PMCID: PMC7144169 DOI: 10.1021/acsomega.0c00032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 03/12/2020] [Indexed: 06/11/2023]
Abstract
In this work, the preparation of novel calcium citrate (CaCit) nanoparticles (NPs) has been disclosed and the use of these NPs as "Trojan" carriers has been demonstrated. The concentration ratio between calcium ions and citrate ions was optimized, yielding spherical NPs with size in the range of 100-200 nm. Additionally, a fluorescent dye, fluorescein isothiocyanate (FITC), was successfully encapsulated by the coprecipitation method. The products were characterized by thermogravimetric analysis and scanning electron microscopy. The cellular uptake was investigated by incubating the synthesized fluorescent-tagged NPs with human keratinocytes using a confocal microscope. The accumulation of the FITC in the cells suggested that the CaCit NPs can potentially be used as novel drug carriers.
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Affiliation(s)
- Natchanon Rimsueb
- Faculty
of Science, Department of Chemistry, Chulalongkorn
University, Phayathai Road, Wangmai, Patumwan, Bangkok 10330, Thailand
| | - Sarocha Cherdchom
- Chula
Medical Innovation Center (CMIC), Nanomedicine Research Unit, Department
of Anatomy, Faculty of Medicine, Chulalongkorn
University, Rama 4 Road,
Patumwan, Bangkok 10330, Thailand
| | - Vitavat Aksornkitti
- Chula
Medical Innovation Center (CMIC), Nanomedicine Research Unit, Department
of Anatomy, Faculty of Medicine, Chulalongkorn
University, Rama 4 Road,
Patumwan, Bangkok 10330, Thailand
| | - Tanatorn Khotavivattana
- Center
of Excellence in Natural Products Chemistry, Department of Chemistry, Chulalongkorn University, Phayathai Road, Wangmai, Patumwan, Bangkok 10330, Thailand
| | - Amornpun Sereemaspun
- Chula
Medical Innovation Center (CMIC), Nanomedicine Research Unit, Department
of Anatomy, Faculty of Medicine, Chulalongkorn
University, Rama 4 Road,
Patumwan, Bangkok 10330, Thailand
| | - Rojrit Rojanathanes
- Center
of Excellence in Materials and Bio-Interfaces Faculty of Science, Chulalongkorn University, Phayathai Road, Wangmai, Patumwan, Bangkok 10330, Thailand
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12
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Lasing T, Phumee A, Siriyasatien P, Chitchak K, Vanalabhpatana P, Mak KK, Hee Ng C, Vilaivan T, Khotavivattana T. Synthesis and antileishmanial activity of fluorinated rhodacyanine analogues: The 'fluorine-walk' analysis. Bioorg Med Chem 2019; 28:115187. [PMID: 31761725 DOI: 10.1016/j.bmc.2019.115187] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 10/16/2019] [Accepted: 10/25/2019] [Indexed: 02/05/2023]
Abstract
In a search for potent antileishmanial drug candidates, eighteen rhodacyanine analogues bearing fluorine or perfluoroalkyl substituents at various positions were synthesized. These compounds were tested for their inhibitory activities against Leishmania martiniquensis and L. orientalis. This 'fluorine-walk' analysis revealed that the introduction of fluorine atom at C-5, 6, 5', or 6' on the benzothiazole units led to significant enhancement of the activity, correlating with the less negative reduction potentials of the fluorinated analogues confirmed by the electrochemical study. On the other hand, CF3 and OCF3 groups were found to have detrimental effects, which agreed with the poor aqueous solubility predicted by the in silico ADMET analysis. In addition, some of the analogues including the difluorinated species showed exceptional potency against the promastigote and axenic amastigote stages (IC50 = 40-85 nM), with the activities surpassing both amphotericin B and miltefosine.
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Affiliation(s)
- Thitiya Lasing
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Atchara Phumee
- Thai Red Cross Emerging Infectious Diseases-Health Science Centre, World Health Organization Collaborating Centre for Research and Training on Viral Zoonoses, Chulalongkorn Hospital, Bangkok 10330, Thailand; Vector Biology and Vector Borne Disease Research Unit, Department of Parasitology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Padet Siriyasatien
- Vector Biology and Vector Borne Disease Research Unit, Department of Parasitology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Kantima Chitchak
- Program of Petrochemistry and Polymer Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Parichatr Vanalabhpatana
- Electrochemistry and Optical Spectroscopy Center of Excellence, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Kit-Kay Mak
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Chew Hee Ng
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Tirayut Vilaivan
- Organic Synthesis Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; Research Unit for Metabolic Bone Disease in CKD Patients, Chulalongkorn University, Bangkok 10330, Thailand.
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13
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Laowalert S, Khotavivattana T, Wattanachanya L, Luangjarmekorn P, Udomkarnjananun S, Katavetin P, Eiam‐Ong S, Praditpornsilpa K, Susantitaphong P. Bone turnover markers predict type of bone histomorphometry and bone mineral density in Asian chronic haemodialysis patients. Nephrology (Carlton) 2019; 25:163-171. [DOI: 10.1111/nep.13593] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 03/25/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Suthanit Laowalert
- Division of Nephrology, Department of MedicineChulalongkorn University and King Chulalongkorn Memorial Hospital Bangkok Thailand
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry, Department of ChemistryFaculty of Science, Chulalongkorn University Bangkok Thailand
| | - Lalita Wattanachanya
- Division of Endocrinology, Department of MedicineChulalongkorn University and King Chulalongkorn Memorial Hospital Bangkok Thailand
| | - Pobe Luangjarmekorn
- Department of OrthopedicsChulalongkorn University and King Chulalongkorn Memorial Hospital Bangkok Thailand
| | - Suwasin Udomkarnjananun
- Division of Nephrology, Department of MedicineChulalongkorn University and King Chulalongkorn Memorial Hospital Bangkok Thailand
| | - Pisut Katavetin
- Division of Nephrology, Department of MedicineChulalongkorn University and King Chulalongkorn Memorial Hospital Bangkok Thailand
| | - Somchai Eiam‐Ong
- Division of Nephrology, Department of MedicineChulalongkorn University and King Chulalongkorn Memorial Hospital Bangkok Thailand
| | - Kearkiat Praditpornsilpa
- Division of Nephrology, Department of MedicineChulalongkorn University and King Chulalongkorn Memorial Hospital Bangkok Thailand
| | - Paweena Susantitaphong
- Division of Nephrology, Department of MedicineChulalongkorn University and King Chulalongkorn Memorial Hospital Bangkok Thailand
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14
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Doungchawee J, Kulsing C, Suekaew N, Na Pombejra S, Chavasiri W, Plabutong N, Thammahong A, Khotavivattana T. Cover Picture: Volatile Chemical Composition, Antibacterial and Antifungal Activities of Extracts from Different Parts of
Globba schomburgkii
H
ook.f.
(C&B 5/2019). Chem Biodivers 2019. [DOI: 10.1002/cbdv.201900201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jeerapat Doungchawee
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical ScienceChulalongkorn University Bangkok 10330 Thailand
| | - Chadin Kulsing
- Department of Chemistry, Faculty of ScienceChulalongkorn University Bangkok 10330 Thailand
| | - Naruemon Suekaew
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of ScienceChulalongkorn University Bangkok 10330 Thailand
| | - Sarisa Na Pombejra
- Department of Microbiology, Faculty of ScienceChulalongkorn University Bangkok 10330 Thailand
| | - Warinthorn Chavasiri
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of ScienceChulalongkorn University Bangkok 10330 Thailand
| | - Napasawan Plabutong
- Antimicrobial Resistance and Stewardship Research Unit, Department of Microbiology, Faculty of MedicineChulalongkorn University Bangkok 10330 Thailand
| | - Arsa Thammahong
- Antimicrobial Resistance and Stewardship Research Unit, Department of Microbiology, Faculty of MedicineChulalongkorn University Bangkok 10330 Thailand
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of ScienceChulalongkorn University Bangkok 10330 Thailand
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15
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Doungchawee J, Kulsing C, Suekaew N, Na Pombejra S, Chavasiri W, Plabutong N, Thammahong A, Khotavivattana T. Volatile Chemical Composition, Antibacterial and Antifungal Activities of Extracts from Different Parts of Globba schomburgkii Hook.f. Chem Biodivers 2019; 16:e1900057. [PMID: 30794339 DOI: 10.1002/cbdv.201900057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 02/21/2019] [Indexed: 11/11/2022]
Abstract
Globba schomburgkii Hook.f. is an ornamental plant that has recently found increasing demand as cut flowers, hence generating a significant number of by-products from different parts of the plant. To investigate the further applications of these by-products, twelve crude extracts from rhizomes, stalks, leaves, and flowers were prepared by serial exhaustive extraction. The volatile composition of these extracts was analyzed by GC/MS; a total of 89 compounds were identified, most of which were sesquiterpenes as well as some labdane-type diterpenes. The antimicrobial activities of these extracts were evaluated, revealing a correlation between the terpenoid content and antibacterial activities. Notably, the dichloromethane extracts of rhizomes and flowers, which contained the highest amount of terpenoids (e. g., α-gurjunene, guaia-9,11-diene, γ-bicyclohomofarnesal, β-caryophyllene, and caryophyllene oxide), displayed the most prominent antibacterial activities. This work demonstrates the potential use of the crude extracts from G. schomburgkii as natural antibacterial ingredients for pharmaceutical and other applications.
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Affiliation(s)
- Jeerapat Doungchawee
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Chadin Kulsing
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Naruemon Suekaew
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Sarisa Na Pombejra
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Warinthorn Chavasiri
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Napasawan Plabutong
- Antimicrobial Resistance and Stewardship Research Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Arsa Thammahong
- Antimicrobial Resistance and Stewardship Research Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Tanatorn Khotavivattana
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
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16
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Khotavivattana T, Khamkhenshorngphanuch T, Rassamee K, Siripong P, Vilaivan T. Diverted total synthesis of melodorinol analogues and evaluation of their cytotoxicity. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.06.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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17
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Verhoog S, Kee CW, Wang Y, Khotavivattana T, Wilson TC, Kersemans V, Smart S, Tredwell M, Davis BG, Gouverneur V. 18F-Trifluoromethylation of Unmodified Peptides with 5- 18F-(Trifluoromethyl)dibenzothiophenium Trifluoromethanesulfonate. J Am Chem Soc 2018; 140:1572-1575. [PMID: 29301394 DOI: 10.1021/jacs.7b10227] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The 18F-labeling of 5-(trifluoromethyl)-dibenzothiophenium trifluoromethanesulfonate, commonly referred to as the Umemoto reagent, has been accomplished applying a halogen exchange 18F-fluorination with 18F-fluoride, followed by oxidative cyclization with Oxone and trifluoromethanesulfonic anhydride. This new 18F-reagent allows for the direct chemoselective 18F-labeling of unmodified peptides at the thiol cysteine residue.
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Affiliation(s)
- Stefan Verhoog
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Choon Wee Kee
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Yanlan Wang
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Tanatorn Khotavivattana
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Thomas C Wilson
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Veerle Kersemans
- Oxford Institute for Radiation Oncology, University of Oxford , Roosevelt Drive, Oxford OX3 7DQ, United Kingdom
| | - Sean Smart
- Oxford Institute for Radiation Oncology, University of Oxford , Roosevelt Drive, Oxford OX3 7DQ, United Kingdom
| | - Matthew Tredwell
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Benjamin G Davis
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Véronique Gouverneur
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
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18
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Khotavivattana T, Calderwood S, Verhoog S, Pfeifer L, Preshlock S, Vasdev N, Collier TL, Gouverneur V. Synthesis and Reactivity of 18F-Labeled α,α-Difluoro-α-(aryloxy)acetic Acids. Org Lett 2017; 19:568-571. [DOI: 10.1021/acs.orglett.6b03730] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Samuel Calderwood
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Stefan Verhoog
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Lukas Pfeifer
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Sean Preshlock
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Neil Vasdev
- Division
of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, 55 Fruit Street, Boston 02114, United States
- Department
of Radiology, Harvard Medical School, 55 Fruit Street, Boston 02114, United States
| | - Thomas L. Collier
- Division
of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, 55 Fruit Street, Boston 02114, United States
- Department
of Radiology, Harvard Medical School, 55 Fruit Street, Boston 02114, United States
- Advion BioSystems, 10
Brown Road, Suite 101, Ithaca, New York 14850, United States
| | - Véronique Gouverneur
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
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19
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Ricci P, Khotavivattana T, Pfeifer L, Médebielle M, Morphy JR, Gouverneur V. The dual role of thiourea in the thiotrifluoromethylation of alkenes. Chem Sci 2016; 8:1195-1199. [PMID: 28451260 PMCID: PMC5369526 DOI: 10.1039/c6sc02790c] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 09/30/2016] [Indexed: 11/21/2022] Open
Abstract
Alkenes substituted with a thiourea undergo C-CF3 followed by intramolecular C-S bond formation with the Togni reagent and trifluoroacetic acid (TFA) at room temperature; thiols and thioamides are not suitable S-sources for this reaction. This anti-addition process involves a CF3 radical, and affords CF3-substituted thiazolines and thiazines for medicinal applications. A metal or photoredox catalyst is not required as the thiourea acts as a reductant, as well as serving as an S-source capable of adding to a C-centered radical. Mechanistic work comparing the reactivity of thiourea, urea, thioamide and thiol in the context of alkene trifluoromethylation demonstrates that in this series, the thiourea is unique for its ability to release CF3 radical from the Togni reagent, and to orchestrate trifluoromethylation followed by S-cyclization with both activated and unactivated alkenes.
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Affiliation(s)
- Paolo Ricci
- Chemistry Research Laboratory , Department of Chemistry , Oxford University , OX1 3TA , UK .
| | - Tanatorn Khotavivattana
- Chemistry Research Laboratory , Department of Chemistry , Oxford University , OX1 3TA , UK .
| | - Lukas Pfeifer
- Chemistry Research Laboratory , Department of Chemistry , Oxford University , OX1 3TA , UK .
| | - Maurice Médebielle
- Université de Lyon , Université Claude Bernard Lyon I , ICBMS UMR CNRS - UCBL - CPE - INSA 5246 , Equipe Synthèse de Molécules d'Intérêt Thérapeutique (SMITh) , 43 bd du 11 Novembre 1918 , Villeurbanne 69622 , France
| | - John Richard Morphy
- Medicinal Chemistry , Eli Lilly and Company Limited , Erl Wood Manor, Sunninghill Road , Windlesham , Surrey GU20 6PH , UK
| | - Véronique Gouverneur
- Chemistry Research Laboratory , Department of Chemistry , Oxford University , OX1 3TA , UK .
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20
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Gouverneur V, Verhoog S, Pfeifer L, Khotavivattana T, Calderwood S, Collier T, Wheelhouse K, Tredwell M. Silver-Mediated 18F-Labeling of Aryl-CF3 and Aryl-CHF2 with 18F-Fluoride. Synlett 2015. [DOI: 10.1055/s-0035-1560592] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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21
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Khotavivattana T, Verhoog S, Tredwell M, Pfeifer L, Calderwood S, Wheelhouse K, Lee Collier T, Gouverneur V. (18)F-Labeling of Aryl-SCF3, -OCF3 and -OCHF2 with [(18)F]Fluoride. Angew Chem Int Ed Engl 2015; 54:9991-5. [PMID: 26140357 DOI: 10.1002/anie.201504665] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Indexed: 12/13/2022]
Abstract
We report that halogenophilic silver(I) triflate permits halogen exchange (halex) nucleophilic (18)F-fluorination of aryl-OCHFCl, -OCF2Br and -SCF2Br precursors under mild conditions. This Ag(I)-mediated process allows for the first time access to a range of (18)F-labeled aryl-OCHF2, -OCF3 and -SCF3 derivatives, inclusive of [(18)F]riluzole. The (18)F-labeling of these medicinally important motifs expands the radiochemical space available for PET applications.
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Affiliation(s)
| | - Stefan Verhoog
- University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA (UK)
| | - Matthew Tredwell
- University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA (UK)
| | - Lukas Pfeifer
- University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA (UK)
| | - Samuel Calderwood
- University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA (UK)
| | - Katherine Wheelhouse
- Medicines Discovery & Development, GlaxoSmithKline R&D, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2NY (UK)
| | | | - Véronique Gouverneur
- University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA (UK).
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22
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Khotavivattana T, Verhoog S, Tredwell M, Pfeifer L, Calderwood S, Wheelhouse K, Lee Collier T, Gouverneur V. 18F-Labeling of Aryl-SCF3, -OCF3and -OCHF2with [18F]Fluoride. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201504665] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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23
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Mizuta S, Verhoog S, Engle KM, Khotavivattana T, O'Duill M, Wheelhouse K, Rassias G, Médebielle M, Gouverneur V. Catalytic hydrotrifluoromethylation of unactivated alkenes. J Am Chem Soc 2013; 135:2505-8. [PMID: 23373772 DOI: 10.1021/ja401022x] [Citation(s) in RCA: 367] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A visible-light-mediated hydrotrifluoromethylation of unactivated alkenes that uses the Umemoto reagent as the CF(3) source and MeOH as the reductant is disclosed. This effective transformation operates at room temperature in the presence of 5 mol % Ru(bpy)(3)Cl(2); the process is characterized by its operational simplicity and functional group tolerance.
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Affiliation(s)
- Satoshi Mizuta
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
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Benedetto E, Tredwell M, Hollingworth C, Khotavivattana T, Brown JM, Gouverneur V. Regio- and stereoretentive synthesis of branched, linear (E)- and (Z)-allyl fluorides from allyl carbonates under Ir-catalysis. Chem Sci 2013. [DOI: 10.1039/c2sc21789a] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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