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Ali IH, Hassan RM, El Kerdawy AM, Abo-Elfadl MT, Abdallah HMI, Sciandra F, Ghannam IAY. Novel thiazolidin-4-one benzenesulfonamide hybrids as PPARγ agonists: Design, synthesis and in vivo anti-diabetic evaluation. Eur J Med Chem 2024; 269:116279. [PMID: 38460271 DOI: 10.1016/j.ejmech.2024.116279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 02/12/2024] [Accepted: 02/21/2024] [Indexed: 03/11/2024]
Abstract
In the current study, two series of novel thiazolidin-4-one benzenesulfonamide arylidene hybrids 9a-l and 10a-f were designed, synthesized and tested in vitro for their PPARɣ agonistic activity. The phenethyl thiazolidin-4-one sulphonamide 9l showed the highest PPARɣ activation % by 41.7%. Whereas, the 3-methoxy- and 4-methyl-4-benzyloxy thiazolidin-4-one sulphonamides 9i, and 9k revealed moderate PPARɣ activation % of 31.7, and 32.8%, respectively, in addition, the 3-methoxy-3-benzyloxy thiazolidin-4-one sulphonamide 10d showed PPARɣ activation % of 33.7% compared to pioglitazone. Compounds 9b, 9i, 9k, 9l, and 10d revealed higher selectivity to PPARɣ over the PPARδ, and PPARα isoforms. An immunohistochemical study was performed in HepG-2 cells to confirm the PPARɣ protein expression for the most active compounds. Compounds 9i, 9k, and 10d showed higher PPARɣ expression than that of pioglitazone. Pharmacological studies were also performed to determine the anti-diabetic activity in rats at a dose of 36 mg/kg, and it was revealed that compounds 9i and 10d improved insulin secretion as well as anti-diabetic effects. The 3-methoxy-4-benzyloxy thiazolidin-4-one sulphonamide 9i showed a better anti-diabetic activity than pioglitazone. Moreover, it showed a rise in blood insulin by 4-folds and C-peptide levels by 48.8%, as well as improved insulin sensitivity. Moreover, compound 9i improved diabetic complications as evidenced by decreasing liver serum enzymes, restoration of total protein and kidney functions. Besides, it combated oxidative stress status and exerted anti-hyperlipidemic effect. Compound 9i showed a superior activity by normalizing some parameters and amelioration of pancreatic, hepatic, and renal histopathological alterations caused by STZ-induction of diabetes. Molecular docking studies, molecular dynamic simulations, and protein ligand interaction analysis were also performed for the newly synthesized compounds to investigate their predicted binding pattern and energies in PPARɣ binding site.
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Affiliation(s)
- Islam H Ali
- Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Rasha M Hassan
- Medicinal and Pharmaceutical Chemistry Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre (ID: 60014618), P.O. 12622, Dokki, Giza, Egypt
| | - Ahmed M El Kerdawy
- School of Pharmacy, College of Health and Science, University of Lincoln, Joseph Banks Laboratories, Green Lane, Lincoln, United Kingdom; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Mahmoud T Abo-Elfadl
- Cancer Biology and Genetics Laboratory, Centre of Excellence for Advanced Sciences, National Research Centre, Dokki, Cairo 12622, Egypt; Biochemistry Department, Biotechnology Research Institute, National Research Centre, Dokki, Cairo, Egypt
| | - Heba M I Abdallah
- Pharmacology Department, Medical Research and Clinical Studies Institute, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Francesca Sciandra
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta"- SCITEC (CNR) Sede di Roma, Largo F. Vito 1, 00168 Roma, Italy
| | - Iman A Y Ghannam
- Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Dokki, Cairo 12622, Egypt.
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2
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Cha M, Dagar A, Lee S, Cho I, Lee D, Kim K, Park I, Yoon S, Kim HY, Kim I, Kim Y. Benzo[ d]imidazole-pyrrolo[1,2- a]pyrazine Hybrids Ameliorate Amyloid Aggregates in the Brain of Alzheimer Transgenic Mice. ACS Chem Neurosci 2023; 14:3025-3034. [PMID: 37552840 DOI: 10.1021/acschemneuro.2c00547] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023] Open
Abstract
Abnormal assembly of amyloid β (Aβ) in the brain is implicated in Alzheimer's disease (AD) and is associated with cognitive impairments. Since Aβ accumulation occurs in advance of the onset of clinical symptoms, identifying preventable drug candidates regulating Aβ accumulation is regarded as a promising approach in AD therapeutic. Herein, we synthesized eight Yonsei Institute of pharmaceutical sciences Alzheimer's Drug (YIAD) compounds based on 5-benzyl-6-phenylbenzo[4,5]imidazo[1,2-a]pyrrolo[2,1-c]pyrazine structures. Subsequently, YIAD-0203 and YIAD-0205 were selected as effective candidates via thioflavin T assays and gel electrophoresis. The potential therapeutic effect of YIAD-0203 and YIAD-0205 on Aβ aggregates was investigated through an AD transgenic mouse model with five familial AD mutations (5XFAD) by oral gavage. Significant amounts of Aβ plaque and oligomer reduction were observed in the hippocampus region of both 4.3-month-old (early stage of AD) and 6.0-month-old (mid stage of AD) YIAD-0205-treated 5XFAD mice brains when compared to the nontreated brains. The ability of YIAD-0205 to ameliorate Aβ aggregates in the early and mid stages of AD progression supports the notion that YIAD-0205 could be utilized as a reliable scaffold for the development of preventive AD drug candidates.
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Affiliation(s)
| | | | | | | | | | | | | | - Soljee Yoon
- Department of Integrative Biotechnology & Translational Medicine, Yonsei University, 85 Songdogwahak-ro, Yeonsu-gu, Incheon 21983, South Korea
| | | | | | - YoungSoo Kim
- Department of Integrative Biotechnology & Translational Medicine, Yonsei University, 85 Songdogwahak-ro, Yeonsu-gu, Incheon 21983, South Korea
- Amyloid Solution, Seongnam 13486, Gyeonggi, South Korea
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3
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2-Chloro-4,6-bis{(E)-3-methoxy-4-[(4-methoxybenzyl)oxy]styryl}pyrimidine: Synthesis, Spectroscopic and Computational Evaluation. MOLBANK 2021. [DOI: 10.3390/m1276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A novel curcumin analog namely 2-chloro-4,6-bis{(E)-3-methoxy-4-[(4-methoxybenzyl)oxy]-styryl}pyrimidine (compound 7) was synthesized by three-step reaction. The condensation reaction of protected vanillin with 2-chloro-4,6-dimethylpyrimidine (6) was the most efficient step, resulting in a total yield of 72%. The characterization of compound 7 was performed by 1H and 13C nuclear magnetic resonance (NMR), as well as high-resolution mass spectrometry. The experimental spectrometric data were compared with the theoretical spectra obtained by the density functional theory (DFT) method, showing a perfect match between them. UV-visible spectroscopy and steady-state fluorescence emission studies were performed for compound 7 in solvents of different polarities and the results were correlated with DFT calculations. Compound 7 showed a solvatochromism effect presenting higher molar extinction coefficient (log ε = 4.57) and fluorescence quantum yield (ϕ = 0.38) in toluene than in acetonitrile or methanol. The simulation of both frontier molecular orbitals (FMOs) and molecular electrostatic potential (MEP) suggested that the experimental spectra profile in toluene was not interfered by a possible charge transfer. These results are an indication of a low probability of compound 7 in reacting with unsaturated phospholipids in future applications as a fluorescent dye in biological systems.
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4
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Huang Y, Ma M, Zhu X, Li M, Guo M, Liu P, He Z, Fu Q. Effectiveness of idebenone nanorod formulations in the treatment of Alzheimer's disease. J Control Release 2021; 336:169-180. [PMID: 34157335 DOI: 10.1016/j.jconrel.2021.06.024] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 06/07/2021] [Accepted: 06/17/2021] [Indexed: 02/07/2023]
Abstract
Idebenone (IDB) has demonstrated the potential to treat mitochondrial and neurodegenerative diseases, including Alzheimer's disease (AD). However, its therapeutic effects are compromised by poor compliance due to low bioavailability. The objective of this study is to fabricate IDB nanorods (IDBNRs) to improve oral bioavailability and increase concentrations in the brain in order to enhance therapeutic effects of IDB in the treatment of AD. IDBNRs showed desired sizes and rod-shaped morphologies. The release rate and the antioxidant activity of IDBNRs were improved relative to other delivery routes. The plasma and brain concentrations were enhanced due to rapid release into the systemic circulation. In behavioral tests, mice treated orally with IDBNRs showed amelioration of AD-induced impairment of learning and memory. Thus, because of improved efficiency of drug delivery, doses can be reduced, and the compliance and therapeutic experience of patients can be improved. IDBNRs may provide effective and convenient treatments for AD patients in the future.
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Affiliation(s)
- Yuying Huang
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Minchao Ma
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Xiaolei Zhu
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Mo Li
- Liaoning Institute for Drug Control, No. 7 Chongshan West Road, Shenyang 110016, China
| | - Mengran Guo
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Peng Liu
- Department of Pharmacology, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
| | - Zhonggui He
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Qiang Fu
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
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5
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Saathoff J, Green J, Jiang Y, Xu Y, Kellogg GE, Zhang S. Structural understanding of 5-(4-hydroxy-phenyl)-N-(2-(5-methoxy-1H-indol-3-yl)-ethyl)-3-oxopentanamide as a neuroprotectant for Alzheimer's disease. Bioorg Med Chem Lett 2021; 43:128081. [PMID: 33964442 PMCID: PMC8187328 DOI: 10.1016/j.bmcl.2021.128081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 04/26/2021] [Accepted: 04/28/2021] [Indexed: 10/21/2022]
Abstract
In our continuing efforts to develop novel neuroprotectants for Alzheimer's disease (AD), a series of analogs based on a lead compound that was recently shown to target the mitochondrial complex I were designed, synthesized and biologically characterized to understand the structure features that are important for neuroprotective activities. The results from a cellular AD model highlighted the important roles of the 4-OH on the phenyl ring and the 5-OCH3 on the indole ring of the lead compound. The results also demonstrated that the β-keto moiety can be modified to retain or improve the neuroprotective activity. Docking studies of selected analogs to the FMN site of mitochondrial complex I also supported the observed neuroprotective activities. Collectively, the results provide further information to guide optimization and development of analogs based on this chemical scaffold as neuroprotectants with a novel mechanism of action for AD.
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Affiliation(s)
- John Saathoff
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA, USA
| | - Jakob Green
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA, USA
| | - Yuqi Jiang
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA, USA
| | - Yiming Xu
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA, USA
| | - Glen E Kellogg
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA, USA
| | - Shijun Zhang
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA, USA.
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6
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Hu S, Xian Y, Fan Y, Mak S, Wang J, Tang J, Pang Y, Pi R, Tsim KW, Liu F, Lin Z, Han Y. Significant combination of Aβ aggregation inhibitory and neuroprotective properties in silico, in vitro and in vivo by bis(propyl)-cognitin, a multifunctional anti-Alzheimer’s agent. Eur J Pharmacol 2020; 876:173065. [DOI: 10.1016/j.ejphar.2020.173065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 03/08/2020] [Accepted: 03/10/2020] [Indexed: 01/06/2023]
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7
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Abstract
Self-assembled peptide nanostructures have been increasingly exploited as functional materials for applications in biomedicine and energy. The emergent properties of these nanomaterials determine the applications for which they can be exploited. It has recently been appreciated that nanomaterials composed of multicomponent coassembled peptides often display unique emergent properties that have the potential to dramatically expand the functional utility of peptide-based materials. This review presents recent efforts in the development of multicomponent peptide assemblies. The discussion includes multicomponent assemblies derived from short low molecular weight peptides, peptide amphiphiles, coiled coil peptides, collagen, and β-sheet peptides. The design, structure, emergent properties, and applications for these multicomponent assemblies are presented in order to illustrate the potential of these formulations as sophisticated next-generation bio-inspired materials.
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Affiliation(s)
- Danielle M Raymond
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
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8
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Andhare NH, Thopate Y, Shamsuzzama, Kumar L, Sharma T, Siddiqi M, Sinha AK, Nazir A. A facile tandem double-dehydrative-double-Heck olefination strategy for pot-economic synthesis of ( E )-distyrylbenzenes as multi-target-directed ligands against Alzheimer's disease employing C. elegans model. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.02.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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9
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Saima, Kumar L, Lavekar AG, Sharma T, Shamsuzzama, Equbal D, Siddiqi MI, Sinha AK, Nazir A. Chemo‐Biocatalytic Oxidative Condensation of Natural Arylpropene with 2‐Aminobenzothiazole into Schiff‐Bases as Potent Anti‐Amyloid Agents: Studies Employing Transgenic
C. elegans. ChemistrySelect 2018. [DOI: 10.1002/slct.201800243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Saima
- Medicinal and Process Chemistry DivisionCSIR-Central Drug Research Institute Jankipuram extension Sitapur Road Lucknow, U.P. India
- Academy of Scientific and Innovative Research New Delhi India
| | - Lalit Kumar
- Toxicology divisionCSIR-Central Drug Research Institute Lucknow, U.P. India
| | - Aditya G. Lavekar
- Medicinal and Process Chemistry DivisionCSIR-Central Drug Research Institute Jankipuram extension Sitapur Road Lucknow, U.P. India
| | - Tanuj Sharma
- Molecular and Structural Biology DivisionCSIR-Central Drug Research Institute Lucknow, U.P. India
| | - Shamsuzzama
- Toxicology divisionCSIR-Central Drug Research Institute Lucknow, U.P. India
| | - Danish Equbal
- Medicinal and Process Chemistry DivisionCSIR-Central Drug Research Institute Jankipuram extension Sitapur Road Lucknow, U.P. India
| | - Mohammad Imran Siddiqi
- Molecular and Structural Biology DivisionCSIR-Central Drug Research Institute Lucknow, U.P. India
| | - Arun K. Sinha
- Medicinal and Process Chemistry DivisionCSIR-Central Drug Research Institute Jankipuram extension Sitapur Road Lucknow, U.P. India
- Academy of Scientific and Innovative Research New Delhi India
| | - Aamir Nazir
- Toxicology divisionCSIR-Central Drug Research Institute Lucknow, U.P. India
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10
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Yang CS, Chen JJ, Huang HC, Huang GJ, Wang SY, Sung PJ, Cheng MJ, Wu MD, Kuo YH. New Benzenoid Derivatives and Other Constituents from Lawsonia inermis with Inhibitory Activity against NO Production. Molecules 2017; 22:molecules22060936. [PMID: 28587259 PMCID: PMC6152715 DOI: 10.3390/molecules22060936] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Accepted: 06/01/2017] [Indexed: 11/16/2022] Open
Abstract
Three new benzenoid derivatives, lawsoinermone (1), inermidioic acid (2), and inermic acid (3) have been isolated from the aerial part of Lawsonia inermis, together with 11 known compounds (4-14). The structures of three new compounds were determined through spectroscopic and MS analyses. Compounds 1, 4-6, 13 and 14 were evaluated for inhibition of nitric oxide production in LPS-stimulated product of nitrite in RAW 264.7 cells with IC50 values of 6.12, 16.43, 18.98, 9.30, 9.30 and 14.90 μg/mL, respectively.
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Affiliation(s)
- Chang-Syun Yang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan.
| | - Jih-Jung Chen
- Faculty of Pharmacy, School of Pharmaceutical Sciences, National Yang-Ming University, Taipei 112, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan.
| | - Hui-Chi Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan.
| | - Guan-Jhong Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan.
| | - Sheng-Yang Wang
- Department of Forestry, National Chung-Hsing University, Taichung 402, Taiwan.
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan.
| | - Ping-Jyun Sung
- National Museum of Marine Biology and Aquarium, Pingtung 944, Taiwan.
| | - Ming-Jen Cheng
- Food Industry Research and Development Institute, Hsinchu 300, Taiwan.
| | - Ming-Der Wu
- Food Industry Research and Development Institute, Hsinchu 300, Taiwan.
| | - Yueh-Hsiung Kuo
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan.
- Department of Biotechnology, Asia University, Taichung 413, Taiwan.
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11
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Mahmoodabadi N, Ajloo D. QSAR, docking, and Molecular dynamic studies on the polyphenolic as inhibitors of β-amyloid aggregation. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1620-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Wang Z, Qi H, Shen Q, Lu G, Li M, Bao K, Wu Y, Zhang W. 4,5-Diaryl-3H-1,2-dithiole-3-thiones and related compounds as combretastatin A-4/oltipraz hybrids: Synthesis, molecular modelling and evaluation as antiproliferative agents and inhibitors of tubulin. Eur J Med Chem 2016; 122:520-529. [PMID: 27428395 DOI: 10.1016/j.ejmech.2016.06.055] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 06/29/2016] [Accepted: 06/29/2016] [Indexed: 11/30/2022]
Abstract
A new series of 4,5-diaryl-3H-1,2-dithiole-3-thiones and related compounds were designed and synthesised as combretastatin A-4/oltipraz hybrids. We evaluated the antiproliferative activities, inhibition of tubulin polymerization, and cell-cycle effects of these compounds. Several compounds in this series, such as 4d and 5c, displayed significant activity against SGC-7901, KB and HT-1080 cell lines, as determined using MTT assays. The most active compound, 4d, markedly inhibited tubulin polymerization, with an IC50 value of 4.44 μM being observed. In mechanistic studies, 4d caused cell arrest in G2/M phase, induced apoptotic cell death, and disrupted microtubule formation. Molecular docking studies revealed that 4d interacts and binds efficiently with the tubulin protein.
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Affiliation(s)
- Zhiwei Wang
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, China; Department of Pharmaceutical Chemistry, Jinzhou Medical University, No.40, Section 3, Songpo Road, Linghe District, Jinzhou, 121001, China
| | - Huan Qi
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, China
| | - Qirong Shen
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, China
| | - Guodong Lu
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, China
| | - Mingyang Li
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, China
| | - Kai Bao
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, China; Gordon Center for Medical Imaging, Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02214, USA
| | - Yingliang Wu
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, China.
| | - Weige Zhang
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, China.
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13
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Lee YR, Kim Y, Yoo KH. Bis-styrylnaphthalene and Bis-styrylnaphthyridine Derivatives with High Binding Affinity to β-Amyloid Fibrils. B KOREAN CHEM SOC 2015. [DOI: 10.1002/bkcs.10047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yeo Ran Lee
- Chemical Kinomics Research Center; Korea Institute of Science and Technology; Seoul 130-650 Korea
| | - YoungSoo Kim
- Center for Neuro-Medicine; Brain Science Institute, Korea Institute of Science and Technology; Seoul 130-650 Republic of Korea
| | - Kyung Ho Yoo
- Chemical Kinomics Research Center; Korea Institute of Science and Technology; Seoul 130-650 Korea
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14
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Syntheses, characterization, and anti-cancer activities of pyridine-amide based compounds containing appended phenol or catechol groups. J CHEM SCI 2014. [DOI: 10.1007/s12039-014-0671-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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15
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Hane FT, Lee BY, Petoyan A, Rauk A, Leonenko Z. Testing synthetic amyloid-β aggregation inhibitor using single molecule atomic force spectroscopy. Biosens Bioelectron 2013; 54:492-8. [PMID: 24321883 DOI: 10.1016/j.bios.2013.10.060] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Revised: 10/13/2013] [Accepted: 10/29/2013] [Indexed: 02/07/2023]
Abstract
Alzheimer's disease is a neurodegenerative disease with no known cure and few effective treatment options. The principal neurotoxic agent is an oligomeric form of the amyloid-β peptide and one of the treatment options currently being studied is the inhibition of amyloid aggregation. In this work, we test a novel pseudopeptidic aggregation inhibitor designated as SG1. SG1 has been designed to bind at the amyloid-β self-recognition site and prevent amyloid-β from misfolding into β sheet. We used atomic force spectroscopy, a nanoscale measurement technique, to quantify the binding forces between two single amyloid peptide molecules. For the first time, we demonstrate that single molecule atomic force spectroscopy can be used to assess the effectiveness of amyloid aggregation inhibitors by measuring the experimental yield of binding and can potentially be used as a screening technique for quick testing of efficacy of inhibitor drugs for amyloid aggregation.
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Affiliation(s)
- Francis T Hane
- University of Waterloo, Department of Biology, 200 University Ave. West, Waterloo, Ontario, Canada N2L 3G1
| | - Brenda Y Lee
- University of Waterloo, Department of Biology, 200 University Ave. West, Waterloo, Ontario, Canada N2L 3G1
| | - Anahit Petoyan
- University of Calgary, Department of Chemistry, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4
| | - Arvi Rauk
- University of Calgary, Department of Chemistry, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4
| | - Zoya Leonenko
- University of Waterloo, Department of Biology, 200 University Ave. West, Waterloo, Ontario, Canada N2L 3G1; University of Waterloo, Department of Physics and Astronomy, 200 University Ave. West, Waterloo, Ontario, Canada N2L 3G1.
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16
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Lee YS, Kim HY, Youn HM, Seo JH, Kim Y, Shin KJ. 2-Phenylbenzofuran derivatives alleviate mitochondrial damage via the inhibition of β-amyloid aggregation. Bioorg Med Chem Lett 2013; 23:5882-6. [DOI: 10.1016/j.bmcl.2013.08.087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Revised: 08/20/2013] [Accepted: 08/23/2013] [Indexed: 11/17/2022]
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17
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Therapeutic and pharmacokinetic characterizations of an anti-amyloidogenic bis-styrylbenzene derivative for Alzheimer’s disease treatment. Bioorg Med Chem Lett 2013; 23:3467-9. [DOI: 10.1016/j.bmcl.2013.02.104] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Revised: 02/13/2013] [Accepted: 02/25/2013] [Indexed: 11/21/2022]
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18
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Stevens CB, Hanna JM, Lammi RK. Synthesis of tetrahydroxybiphenyls and tetrahydroxyterphenyls and their evaluation as amyloid-β aggregation inhibitors. Bioorg Med Chem Lett 2013; 23:1703-6. [PMID: 23403086 PMCID: PMC3594554 DOI: 10.1016/j.bmcl.2013.01.076] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2012] [Revised: 01/04/2013] [Accepted: 01/16/2013] [Indexed: 10/27/2022]
Abstract
3,3',4,4'-Tetrahydroxybiphenyl and three isomeric 3,3″,4,4″-tetrahydroxyterphenyls with varying geometries around the central phenyl ring have been synthesized and evaluated for their in vitro activity against aggregation of Alzheimer's amyloid-β peptide (Aβ). Results from Congo red spectral-shift assays reveal that all four compounds successfully inhibit association of Aβ monomers. For the tetrahydroxyterphenyls, efficacy varies with linker geometry: the ortho-arrangement affords the most successful inhibition and the para-geometry the least, perhaps due to differing abilities of these compounds to bind Aβ. Of the four small molecules studied, 3,3',4,4'-tetrahydroxybiphenyl is the most effective inhibitor, reducing Aβ aggregation by 50% when present in stoichiometric concentrations.
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Affiliation(s)
- Craig B. Stevens
- Department of Chemistry, Physics, and Geology, Winthrop University, 101 Sims Science Building, Rock Hill, SC 29733
| | - James M. Hanna
- Department of Chemistry, Physics, and Geology, Winthrop University, 101 Sims Science Building, Rock Hill, SC 29733
| | - Robin K. Lammi
- Department of Chemistry, Physics, and Geology, Winthrop University, 101 Sims Science Building, Rock Hill, SC 29733
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