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Szewczyk SM, Verma I, Edwards JT, Weiss DR, Chekler ELP. Trends in Neosubstrate Degradation by Cereblon-Based Molecular Glues and the Development of Novel Multiparameter Optimization Scores. J Med Chem 2024; 67:1327-1335. [PMID: 38170610 DOI: 10.1021/acs.jmedchem.3c01872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Molecular glues enable the degradation of previously "undruggable" proteins via the recruitment of cereblon (CRBN) to the target. One major challenge in designing CRBN E3 ligase modulating compounds (CELMoDs) is the selectivity profile toward neosubstrates, proteins recruited by CRBN E3 ligase agents for degradation. Common neosubstrates include Aiolos, Ikaros, GSPT1, CK1α, and SALL4. Unlike achieving potency and selectivity for traditional small molecule inhibitors, reducing the degradation of these neosubstrates is complicated by the ternary nature of the complex formed between the protein, CRBN, and CELMoD. The standard guiding principles of medicinal chemistry, such as enforcing hydrogen bond formation, are less predictive of degradation efficiency and selectivity. Disclosed is an analysis of our glutarimide CELMoD library to identify interpretable chemical features correlated to selectivity profiles and general cytotoxicity. Included is a simple multiparameter optimization function using only three parameters to predict whether molecules will have undesired neosubstrate activity.
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Affiliation(s)
| | - Isha Verma
- Bristol Myers Squibb, Redwood City, California 94063, United States
| | - Jacob T Edwards
- Bristol Myers Squibb, Redwood City, California 94063, United States
| | - Dahlia R Weiss
- Bristol Myers Squibb, Redwood City, California 94063, United States
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2
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Badreddin Musatat A, Kılıçcıoğlu İ, Kurman Y, Dülger G, Alpay M, Yağcı R, Atahan A, Durmuş S. Antimicrobial, Antiproliferative Effects and Docking Studies of Methoxy Group Enriched Coumarin-Chalcone Hybrids. Chem Biodivers 2023; 20:e202200973. [PMID: 36691991 DOI: 10.1002/cbdv.202200973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 01/25/2023]
Abstract
Methoxy group enriched eight coumarin-chalcone hybrid derivatives were synthesized. Antimicrobial/ antiproliferative activities were tested against eight human pathogenic microorganisms and four cancer cell lines (AGS, HepG2, MCF-7 and PC-3), respectively. Antimicrobial results showed that most of the compounds were almost more active than used standard antibiotics. Cytotoxicity results showed that 2,3,4-trimethoxyphenyl and thiophene containing structures have promising antiproliferative effects against AGS gastric cell lines with ∼5 μg/ml IC50 values. At the same time, 2,4-dimethoxyphenyl bearing derivative exhibited the lowest IC50 values against HepG2 (∼10 μg/ml) and PC-3 (∼5 μg/ml) cell lines. Particularly, the cell viabilities of MCF-7 cell lines were remarkably inhibited by all the compounds with lower IC50 values. Therefore, molecular docking studies between hybrid ligands and quinone reductase-2 enzyme (regulates in MCF-7 cancer cells) were performed. The results demonstrated that all the derivatives can smoothly interact with interested enzyme in agreement with the experimental results. Finally, ADME parameters were studied to reveal drug-likeness potentials of the coumarin-chalcone hybrids.
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Affiliation(s)
- Ahmad Badreddin Musatat
- Department of Chemistry, Düzce University, Faculty of Art & Sciences, 81620, Düzce, Türkiye
- Department of Chemistry, Sakarya University, Faculty of Sciences, Department of Chemistry, 54187, Sakarya, Türkiye
| | - İlker Kılıçcıoğlu
- Department of Medical Biology, Düzce University, Faculty of Medicine, 81620, Düzce, Türkiye
| | - Yener Kurman
- Department of Medical Biology, Düzce University, Faculty of Medicine, 81620, Düzce, Türkiye
| | - Görkem Dülger
- Department of Medical Biology, Düzce University, Faculty of Medicine, 81620, Düzce, Türkiye
| | - Merve Alpay
- Department of Medical Biochemistry, Düzce University, Faculty of Medicine, 81620, Düzce, Türkiye
| | - Ravza Yağcı
- Department of Chemistry, Düzce University, Faculty of Art & Sciences, 81620, Düzce, Türkiye
| | - Alparslan Atahan
- Department of Chemistry, Düzce University, Faculty of Art & Sciences, 81620, Düzce, Türkiye
| | - Sefa Durmuş
- Department of Chemistry, Düzce University, Faculty of Art & Sciences, 81620, Düzce, Türkiye
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3
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Aljohani GF, Abolibda TZ, Alhilal M, Al-Humaidi JY, Alhilal S, Ahmed HA, Gomha SM. Novel thiadiazole-thiazole hybrids: synthesis, molecular docking, and cytotoxicity evaluation against liver cancer cell lines. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2022. [DOI: 10.1080/16583655.2022.2135805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Ghadah F. Aljohani
- Chemistry Department, College of Science, Taibah University, Al-Madinah Al Munawarah, Saudi Arabia
| | - Tariq Z. Abolibda
- Chemistry Department, Faculty of Science, Islamic University of Madinah, Madinah, Saudi Arabia
| | - Mohammad Alhilal
- Department of Nursing, Faculty of Health Sciences, Mardin Artuklu University, Mardin, Turkey
| | - Jehan Y. Al-Humaidi
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Suzan Alhilal
- Department of Chemistry, Faculty of Science, Albaath University, Erzurum, Turkey
| | - Hoda A. Ahmed
- Department of Chemistry, Faculty of Science, Cairo University, Cairo, Egypt
| | - Sobhi M. Gomha
- Chemistry Department, Faculty of Science, Islamic University of Madinah, Madinah, Saudi Arabia
- Department of Chemistry, Faculty of Science, Cairo University, Cairo, Egypt
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4
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Ball EH, Basilone NT. Filter paper disks as a matrix for manipulation of recombinant proteins. Anal Biochem 2022; 655:114841. [PMID: 35961400 DOI: 10.1016/j.ab.2022.114841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 07/19/2022] [Accepted: 07/29/2022] [Indexed: 11/16/2022]
Abstract
Filter paper provides an excellent matrix for retention of proteins containing a cellulose binding domain. To use this capability for manipulating recombinant fusion proteins, binding and elution parameters were explored and procedures developed for small scale purification, modification and assay. Proteins were tagged with the cellulose binding domain from the Clostridium thermocellum CipB gene via a cleavable linker. Filter paper disks of 6 mm diameter were able to bind up to 80 μg protein although there was a substantial dependence on molecular size. Different means of introducing fusion proteins to the disks allow either binding within 20 min from microliter volumes or slower binding from milliliter volumes. Elution with protease in small volumes yielded greater than 10 μg amounts with concentrations in the 1-2 mg/ml range. To demonstrate their utility, disks were used for small scale protein purification, covalent modification of protein, immunoprecipitation, and in a binding assay. These versatile methods allow parallel processing of multiple samples and may find many uses when only small amounts of protein are needed.
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Affiliation(s)
- Eric H Ball
- Department of Biochemistry, University of Western Ontario London, Ontario, N6G 3C3, Canada.
| | - Nicoletta T Basilone
- Department of Biochemistry, University of Western Ontario London, Ontario, N6G 3C3, Canada
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5
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Voronin MV, Kadnikov IA, Zainullina LF, Logvinov IO, Verbovaya ER, Antipova TA, Vakhitova YV, Seredenin SB. Neuroprotective Properties of Quinone Reductase 2 Inhibitor M-11, a 2-Mercaptobenzimidazole Derivative. Int J Mol Sci 2021; 22:13061. [PMID: 34884863 PMCID: PMC8658107 DOI: 10.3390/ijms222313061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 11/29/2021] [Accepted: 11/29/2021] [Indexed: 01/03/2023] Open
Abstract
The ability of NQO2 to increase the production of free radicals under enhanced generation of quinone derivatives of catecholamines is considered to be a component of neurodegenerative disease pathogenesis. The present study aimed to investigate the neuroprotective mechanisms of original NQO2 inhibitor M-11 (2-[2-(3-oxomorpholin-4-il)-ethylthio]-5-ethoxybenzimidazole hydrochloride) in a cellular damage model using NQO2 endogenous substrate adrenochrome (125 µM) and co-substrate BNAH (100 µM). The effects of M-11 (10-100 µM) on the reactive oxygen species (ROS) generation, apoptosis and lesion of nuclear DNA were evaluated using flow cytometry and single-cell gel electrophoresis assay (comet assay). Results were compared with S29434, the reference inhibitor of NQO2. It was found that treatment of HT-22 cells with M-11 results in a decline of ROS production triggered by incubation of cells with NQO2 substrate and co-substrate. Pre-incubation of HT-22 cells with compounds M-11 or S29434 results in a decrease of DNA damage and late apoptotic cell percentage reduction. The obtained results provide a rationale for further development of the M-11 compound as a potential neuroprotective agent.
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Affiliation(s)
- Mikhail V. Voronin
- Department of Pharmacogenetics, Federal State Budgetary Institution “Research Zakusov Institute of Pharmacology”, Baltiyskaya Street 8, 125315 Moscow, Russia; (L.F.Z.); (I.O.L.); (E.R.V.); (T.A.A.)
| | - Ilya A. Kadnikov
- Department of Pharmacogenetics, Federal State Budgetary Institution “Research Zakusov Institute of Pharmacology”, Baltiyskaya Street 8, 125315 Moscow, Russia; (L.F.Z.); (I.O.L.); (E.R.V.); (T.A.A.)
| | | | | | | | | | - Yulia V. Vakhitova
- Department of Pharmacogenetics, Federal State Budgetary Institution “Research Zakusov Institute of Pharmacology”, Baltiyskaya Street 8, 125315 Moscow, Russia; (L.F.Z.); (I.O.L.); (E.R.V.); (T.A.A.)
| | - Sergei B. Seredenin
- Department of Pharmacogenetics, Federal State Budgetary Institution “Research Zakusov Institute of Pharmacology”, Baltiyskaya Street 8, 125315 Moscow, Russia; (L.F.Z.); (I.O.L.); (E.R.V.); (T.A.A.)
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6
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Rashid MH, Babu D, Siraki AG. Interactions of the antioxidant enzymes NAD(P)H: Quinone oxidoreductase 1 (NQO1) and NRH: Quinone oxidoreductase 2 (NQO2) with pharmacological agents, endogenous biochemicals and environmental contaminants. Chem Biol Interact 2021; 345:109574. [PMID: 34228969 DOI: 10.1016/j.cbi.2021.109574] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 06/17/2021] [Accepted: 07/01/2021] [Indexed: 01/11/2023]
Abstract
NAD(P)H Quinone Oxidoreductase 1 (NQO1) is an antioxidant enzyme that catalyzes the two-electron reduction of several different classes of quinone-like compounds (quinones, quinone imines, nitroaromatics, and azo dyes). One-electron reduction of quinone or quinone-like metabolites is considered to generate semiquinones to initiate redox cycling that is responsible for the generation of reactive oxygen species and oxidative stress and may contribute to the initiation of adverse drug reactions and adverse health effects. On the other hand, the two-electron reduction of quinoid compounds appears important for drug activation (bioreductive activation) via chemical rearrangement or autoxidation. Two-electron reduction decreases quinone levels and opportunities for the generation of reactive species that can deplete intracellular thiol pools. Also, studies have shown that induction or depletion (knockout) of NQO1 were associated with decreased or increased susceptibilities to oxidative stress, respectively. Moreover, another member of the quinone reductase family, NRH: Quinone Oxidoreductase 2 (NQO2), has a significant functional and structural similarity with NQO1. The activity of both antioxidant enzymes, NQO1 and NQO2, becomes critically important when other detoxification pathways are exhausted. Therefore, this article summarizes the interactions of NQO1 and NQO2 with different pharmacological agents, endogenous biochemicals, and environmental contaminants that would be useful in the development of therapeutic approaches to reduce the adverse drug reactions as well as protection against quinone-induced oxidative damage. Also, future directions and areas of further study for NQO1 and NQO2 are discussed.
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Affiliation(s)
- Md Harunur Rashid
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada; Institute of Food and Radiation Biology, Bangladesh Atomic Energy Commission, Bangladesh
| | - Dinesh Babu
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada
| | - Arno G Siraki
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada.
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Ross D, Siegel D. The diverse functionality of NQO1 and its roles in redox control. Redox Biol 2021; 41:101950. [PMID: 33774477 PMCID: PMC8027776 DOI: 10.1016/j.redox.2021.101950] [Citation(s) in RCA: 198] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 12/20/2022] Open
Abstract
In this review, we summarize the multiple functions of NQO1, its established roles in redox processes and potential roles in redox control that are currently emerging. NQO1 has attracted interest due to its roles in cell defense and marked inducibility during cellular stress. Exogenous substrates for NQO1 include many xenobiotic quinones. Since NQO1 is highly expressed in many solid tumors, including via upregulation of Nrf2, the design of compounds activated by NQO1 and NQO1-targeted drug delivery have been active areas of research. Endogenous substrates have also been proposed and of relevance to redox stress are ubiquinone and vitamin E quinone, components of the plasma membrane redox system. Established roles for NQO1 include a superoxide reductase activity, NAD+ generation, interaction with proteins and their stabilization against proteasomal degradation, binding and regulation of mRNA translation and binding to microtubules including the mitotic spindles. We also summarize potential roles for NQO1 in regulation of glucose and insulin metabolism with relevance to diabetes and the metabolic syndrome, in Alzheimer's disease and in aging. The conformation and molecular interactions of NQO1 can be modulated by changes in the pyridine nucleotide redox balance suggesting that NQO1 may function as a redox-dependent molecular switch.
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Affiliation(s)
- David Ross
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA.
| | - David Siegel
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
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8
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Zhang J, Zhou Y, Li N, Liu W, Liang J, Sun Y, Zhang W, Fang R, Huang S, Sun Z, Wang Y, He Q. Curcumol Overcomes TRAIL Resistance of Non-Small Cell Lung Cancer by Targeting NRH:Quinone Oxidoreductase 2 (NQO2). ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2002306. [PMID: 33240775 PMCID: PMC7675185 DOI: 10.1002/advs.202002306] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 08/01/2020] [Indexed: 05/09/2023]
Abstract
Resistance to tumor-necrosis-factor-related apoptosis-inducing ligand (TRAIL) of cancer cell remains a key obstacle for clinical cancer therapies. To overcome TRAIL resistance, this study identifies curcumol as a novel safe sensitizer from a food-source compound library, which exhibits synergistic lethal effects in combination with TRAIL on non-small cell lung cancer (NSCLC). SILAC-based cellular thermal shift profiling identifies NRH:quinone oxidoreductase 2 (NQO2) as the key target of curcumol. Mechanistically, curcumol directly targets NQO2 to cause reactive oxygen species (ROS) generation, which triggers endoplasmic reticulum (ER) stress-C/EBP homologous protein (CHOP) death receptor (DR5) signaling, sensitizing NSCLC cell to TRAIL-induced apoptosis. Molecular docking analysis and surface plasmon resonance assay demonstrate that Phe178 in NQO2 is a critical site for curcumol binding. Mutation of Phe178 completely abolishes the function of NQO2 and augments the TRAIL sensitization. This study characterizes the functional role of NQO2 in TRAIL resistance and the sensitizing function of curcumol by directly targeting NQO2, highlighting the potential of using curcumol as an NQO2 inhibitor for clinical treatment of TRAIL-resistant cancers.
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Affiliation(s)
- Jing Zhang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
- The First Affiliated HospitalJinan UniversityGuangzhou510632China
| | - Ye Zhou
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
| | - Nan Li
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
| | - Wan‐Ting Liu
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
| | - Jun‐Ze Liang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
| | - Yue Sun
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
| | - Wei‐Xia Zhang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
| | - Run‐Dong Fang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
| | - Sheng‐Ling Huang
- The First Affiliated HospitalJinan UniversityGuangzhou510632China
| | - Zheng‐Hua Sun
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
| | - Yang Wang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
| | - Qing‐Yu He
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education InstitutesInstitute of Life and Health EngineeringCollege of Life Science and TechnologyJinan UniversityGuangzhou510632China
- The First Affiliated HospitalJinan UniversityGuangzhou510632China
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9
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Janda E, Nepveu F, Calamini B, Ferry G, Boutin JA. Molecular Pharmacology of NRH:Quinone Oxidoreductase 2: A Detoxifying Enzyme Acting as an Undercover Toxifying Enzyme. Mol Pharmacol 2020; 98:620-633. [DOI: 10.1124/molpharm.120.000105] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 08/11/2020] [Indexed: 01/02/2023] Open
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10
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Kadnikov IA, Voronkov DN, Voronin MV, Seredenin SB. Analysis of Quinone Reductase 2 Implication in Mechanism of Antiparkinsonian Action of Afobazole. NEUROCHEM J+ 2020. [DOI: 10.1134/s1819712420010110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Anthraquinone: a promising scaffold for the discovery and development of therapeutic agents in cancer therapy. Future Med Chem 2020; 12:1037-1069. [PMID: 32349522 DOI: 10.4155/fmc-2019-0198] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cancer, characterized by uncontrolled malignant neoplasm, is a leading cause of death in both advanced and emerging countries. Although, ample drugs are accessible in the market to intervene with tumor progression, none are totally effective and safe. Natural anthraquinone (AQ) equivalents such as emodin, aloe-emodin, alchemix and many synthetic analogs extend their antitumor activity on different targets including telomerase, topoisomerases, kinases, matrix metalloproteinases, DNA and different phases of cell lines. Nano drug delivery strategies are advanced tools which deliver drugs into tumor cells with minimum drug leakage to normal cells. This review delineates the way AQ derivatives are binding on these targets by abolishing tumor cells to produce anticancer activity and purview of nanoformulations related to AQ analogs.
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13
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Abdelghany A, Menazea A, Abd‐El‐Maksoud MA, Khatab TK. Pulsed laser ablated zeolite nanoparticles: A novel nano‐catalyst for the synthesis of 1,8‐dioxo‐octahydroxanthene and
N
‐aryl‐1,8‐dioxodecahydroacridine with molecular docking validation. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5250] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- A.M. Abdelghany
- Spectroscopy Department, Physics DivisionNational Research Centre 33 ElBehouth Street, PO Box 12622, Dokki Giza Egypt
- Basic Science DepartmentHorus University International Coastal Road, New Damietta, KafrSaad Damietta Egypt
| | - A.A. Menazea
- Spectroscopy Department, Physics DivisionNational Research Centre 33 ElBehouth Street, PO Box 12622, Dokki Giza Egypt
- Laser Technology UnitNational Research Centre 33 ElBehouth Street, PO Box 12622, Dokki Giza Egypt
| | - Mansoura A. Abd‐El‐Maksoud
- Organometallic and Organometalloid Chemistry DepartmentNational Research Centre 33‐El‐Buhouth Street, PO Box 12622, Dokki Giza Egypt
| | - Tamer K. Khatab
- Organometallic and Organometalloid Chemistry DepartmentNational Research Centre 33‐El‐Buhouth Street, PO Box 12622, Dokki Giza Egypt
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14
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Hussein B, Ikhmais B, Kadirvel M, Magwaza RN, Halbert G, Bryce RA, Stratford IJ, Freeman S. Discovery of potent 4-aminoquinoline hydrazone inhibitors of NRH:quinoneoxidoreductase-2 (NQO2). Eur J Med Chem 2019; 182:111649. [PMID: 31514018 DOI: 10.1016/j.ejmech.2019.111649] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 08/22/2019] [Accepted: 08/26/2019] [Indexed: 01/18/2023]
Abstract
(NRH):quinone oxidoreductase 2 (NQO2) is associated with various processes involved in cancer initiation and progression probably via the production of ROS during quinone metabolism. Thus, there is a need to develop inhibitors of NQO2 that are active in vitro and in vivo. As part of a strategy to achieve this we have used the 4-aminoquinoline backbone as a starting point and synthesized 21 novel analogues. The syntheses utilised p-anisidine with Meldrum's acid and trimethyl orthoacetate or trimethyl orthobenzoate to give the 4-hydrazin-quinoline scaffold, which was derivatised with aldehydes or acid chlorides to give hydrazone or hydrazide analogues, respectively. The hydrazones were the most potent inhibitors of NQO2 in cell free systems, some with low nano-molar IC50 values. Structure-activity analysis highlighted the importance of a small substituent at the 2-position of the 4-aminoquinoline ring, to reduce steric hindrance and improve engagement of the scaffold within the NQO2 active site. Cytotoxicity and NQO2-inhibitory activity in vitro was evaluated using ovarian cancer SKOV-3 and TOV-112 cells (expressing high and low levels of NQO2, respectively). Generally, the hydrazones were more toxic than hydrazide analogues and further, toxicity is unrelated to cellular NQO2 activity. Pharmacological inhibition of NQO2 in cells was measured using the toxicity of CB1954 as a surrogate end-point. Both the hydrazone and hydrazide derivatives are functionally active as inhibitors of NQO2 in the cells, but at different inhibitory potency levels. In particular, 4-((2-(6-methoxy-2-methylquinolin-4-yl)hydrazono)methyl)phenol has the greatest potency of any compound yet evaluated (53 nM), which is 50-fold lower than its toxicity IC50. This compound and some of its analogues could serve as useful pharmacological probes to determine the functional role of NQO2 in cancer development and response to therapy.
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Affiliation(s)
- Buthaina Hussein
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine & Health, University of Manchester, Manchester, M13 9PT, UK
| | - Balqis Ikhmais
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine & Health, University of Manchester, Manchester, M13 9PT, UK
| | - Manikandan Kadirvel
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine & Health, University of Manchester, Manchester, M13 9PT, UK
| | - Rachael N Magwaza
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine & Health, University of Manchester, Manchester, M13 9PT, UK
| | - Gavin Halbert
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, G4 0NR, UK
| | - Richard A Bryce
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine & Health, University of Manchester, Manchester, M13 9PT, UK
| | - Ian J Stratford
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine & Health, University of Manchester, Manchester, M13 9PT, UK.
| | - Sally Freeman
- Division of Pharmacy & Optometry, School of Health Sciences, Faculty of Biology, Medicine & Health, University of Manchester, Manchester, M13 9PT, UK.
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15
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Nakazato R, Sano K, Ichihara H, Ishida T, Shimada T, Takagi S. Factors for the emission enhancement of dimidium in specific media such as in DNA and on a clay surface. Phys Chem Chem Phys 2019; 21:22732-22739. [PMID: 31384860 DOI: 10.1039/c9cp03285a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Dimidium (3,8-diamino-5-methyl-6-phenylphenanthridinium: NH2PhP) is a well-known fluorophore as a DNA probe, although its fluorescence enhancement mechanism is not clear. In this study, we investigated the fluorescence enhancement mechanism of NH2PhP on a clay surface by observing the fluorescence behavior. Four systematically selected phenanthridinium derivatives (PDs): NH2PhP, 3,8-bisdimethylamino-5-methyl-6-phenylphenanthridinium (NMe2PhP), 5-methyl-6-phenylphenanthridinium (PhP) and 5-methylphenanthridinium (P) and synthetic clay were used as guest and host materials, respectively. It was revealed that the suppression of hydrogen bonding with water (N-HOH or NH-OH2) is the dominant factor for the fluorescence enhancement on the clay surface for NH2PhP and NMe2PhP. In addition, judging from the fluorescence enhancement for NH2PhP, NMe2PhP and PhP and no fluorescence enhancement for P on the clay surface, the suppression of rotation of the phenyl ring was indicated to make a partial contribution to the fluorescence enhancement mechanism. Because the fluorescence enhancement behavior was quite similar on the clay surface and in DNA, the obtained results afford an important clue to discuss the fluorescence enhancement mechanism of NH2PhP in DNA.
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Affiliation(s)
- Ryosuke Nakazato
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-ohsawa, Hachioji-shi, Tokyo 192-0397, Japan.
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16
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Gilberg E, Gütschow M, Bajorath J. Promiscuous Ligands from Experimentally Determined Structures, Binding Conformations, and Protein Family-Dependent Interaction Hotspots. ACS OMEGA 2019; 4:1729-1737. [PMID: 31459430 PMCID: PMC6648413 DOI: 10.1021/acsomega.8b03481] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 01/10/2019] [Indexed: 05/06/2023]
Abstract
Compound promiscuity is often attributed to nonspecific binding or assay artifacts. On the other hand, it is well-known that many pharmaceutically relevant compounds are capable of engaging multiple targets in vivo, giving rise to polypharmacology. To explore and better understand promiscuous binding characteristics of small molecules, we have searched X-ray structures (and very few qualifying solution structures) for ligands that bind to multiple distantly related or unrelated target proteins. Experimental structures of a given ligand bound to different targets represent high-confidence data for exploring promiscuous binding events. A total of 192 ligands were identified that formed crystallographic complexes with proteins from different families and for which activity data were available. These "multifamily" compounds included endogenous ligands and were often more polar than other bound compounds and active in the submicromolar range. Unexpectedly, many promiscuous ligands displayed conserved or similar binding conformations in different active sites. Others were found to conformationally adjust to binding sites of different architectures. A comprehensive analysis of ligand-target interactions revealed that multifamily ligands frequently formed different interaction hotspots in binding sites, even if their bound conformations were similar, thus providing a rationale for promiscuous binding events at the molecular level of detail. As a part of this work, all multifamily ligands we have identified and associated activity data are made freely available.
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Affiliation(s)
- Erik Gilberg
- Department
of Life Science Informatics, B-IT, LIMES Program Unit Chemical Biology
and Medicinal Chemistry, Rheinische Friedrich-Wilhelms-Universität, Endenicher Allee 19c, D-53115 Bonn, Germany
- Pharmaceutical
Institute, Rheinische Friedrich-Wilhelms-Universität, An der Immenburg 4, D-53121 Bonn, Germany
| | - Michael Gütschow
- Pharmaceutical
Institute, Rheinische Friedrich-Wilhelms-Universität, An der Immenburg 4, D-53121 Bonn, Germany
| | - Jürgen Bajorath
- Department
of Life Science Informatics, B-IT, LIMES Program Unit Chemical Biology
and Medicinal Chemistry, Rheinische Friedrich-Wilhelms-Universität, Endenicher Allee 19c, D-53115 Bonn, Germany
- E-mail: .
Phone: 49-228-2699-306 (J.B.)
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17
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Synthesis, anticancer activity and docking studies of N -phenyl-2-(2-((4-phenyl piperazin-1-yl) methyl)-1 H -benzo [ d ] imidazol-1-yl) acetamides. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.04.057] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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18
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Mathivathanan L, Yang G, Leng F, Raptis RG. Crystal structure and conformational analysis of doxorubicin nitrate. Acta Crystallogr E Crystallogr Commun 2018; 74:400-405. [PMID: 29765732 PMCID: PMC5947812 DOI: 10.1107/s2056989018002955] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 02/19/2018] [Indexed: 11/13/2023]
Abstract
Crystal structure determination of doxorubicin nitrate, (DoxH)NO3, systematic name (7S,9S)-7-{[(2R,4S,5S,6S)-4-azaniumyl-5-hy-droxy-6-methyl-oxan-2-yl]-oxy}-6,9,11-trihy-droxy-9-(2-hy-droxy-acet-yl)-4-meth-oxy-8,10-di-hydro-7H-tetra-cen-5,12-dione nitrate, shows two formula units present in the asymmetric unit. In the crystal lattice, hydrogen-bonded pairs of (DoxH+) cations and segregation of the aglycone and sugar moieties are observed. Inspection of mol-ecular overlays reveals that the conformation of (DoxH)NO3 resembles that of DNA-inter-calated, but not of protein-docked (DoxH)+. The structure was refined as a two-component twin.
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Affiliation(s)
- Logesh Mathivathanan
- Department of Chemistry and Biochemistry and Biomolecular Sciences Institute, Florida International University, 11200 SW 8th St, Miami, FL 33199, USA
| | - Guang Yang
- Department of Chemistry and Biochemistry and Biomolecular Sciences Institute, Florida International University, 11200 SW 8th St, Miami, FL 33199, USA
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, People’s Republic of China
| | - Fenfei Leng
- Department of Chemistry and Biochemistry and Biomolecular Sciences Institute, Florida International University, 11200 SW 8th St, Miami, FL 33199, USA
| | - Raphael G. Raptis
- Department of Chemistry and Biochemistry and Biomolecular Sciences Institute, Florida International University, 11200 SW 8th St, Miami, FL 33199, USA
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19
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den Braver-Sewradj SP, den Braver MW, Toorneman RM, van Leeuwen S, Zhang Y, Dekker SJ, Vermeulen NPE, Commandeur JNM, Vos JC. Reduction and Scavenging of Chemically Reactive Drug Metabolites by NAD(P)H:Quinone Oxidoreductase 1 and NRH:Quinone Oxidoreductase 2 and Variability in Hepatic Concentrations. Chem Res Toxicol 2018; 31:116-126. [PMID: 29281794 PMCID: PMC5997408 DOI: 10.1021/acs.chemrestox.7b00289] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
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Detoxicating
enzymes NAD(P)H:quinone oxidoreductase 1 (NQO1) and
NRH:quinone oxidoreductase 2 (NQO2) catalyze the two-electron reduction
of quinone-like compounds. The protective role of the polymorphic
NQO1 and NQO2 enzymes is especially of interest in the liver as the
major site of drug bioactivation to chemically reactive drug metabolites.
In the current study, we quantified the concentrations of NQO1 and
NQO2 in 20 human liver donors and NQO1 and NQO2 activities with quinone-like
drug metabolites. Hepatic NQO1 concentrations ranged from 8 to 213
nM. Using recombinant NQO1, we showed that low nM concentrations of
NQO1 are sufficient to reduce synthetic amodiaquine and carbamazepine
quinone-like metabolites in vitro. Hepatic NQO2 concentrations
ranged from 2 to 31 μM. NQO2 catalyzed the reduction of quinone-like
metabolites derived from acetaminophen, clozapine, 4′-hydroxydiclofenac,
mefenamic acid, amodiaquine, and carbamazepine. The reduction of the
clozapine nitrenium ion supports association studies showing that
NQO2 is a genetic risk factor for clozapine-induced agranulocytosis.
The 5-hydroxydiclofenac quinone imine, which was previously shown
to be reduced by NQO1, was not reduced by NQO2. Tacrine was identified
as a potent NQO2 inhibitor and was applied to further confirm the
catalytic activity of NQO2 in these assays. While the in vivo relevance of NQO2-catalyzed reduction of quinone-like metabolites
remains to be established by identification of the physiologically
relevant co-substrates, our results suggest an additional protective
role of the NQO2 protein by non-enzymatic scavenging of quinone-like
metabolites. Hepatic NQO1 activity in detoxication of quinone-like
metabolites becomes especially important when other detoxication pathways
are exhausted and NQO1 levels are induced.
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Affiliation(s)
- Shalenie P den Braver-Sewradj
- AIMMS-Division of Molecular Toxicology, Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit , De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Michiel W den Braver
- AIMMS-Division of Molecular Toxicology, Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit , De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Robin M Toorneman
- AIMMS-Division of Molecular Toxicology, Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit , De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Stephanie van Leeuwen
- AIMMS-Division of Molecular Toxicology, Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit , De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Yongjie Zhang
- AIMMS-Division of Molecular Toxicology, Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit , De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Stefan J Dekker
- AIMMS-Division of Molecular Toxicology, Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit , De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Nico P E Vermeulen
- AIMMS-Division of Molecular Toxicology, Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit , De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Jan N M Commandeur
- AIMMS-Division of Molecular Toxicology, Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit , De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - J Chris Vos
- AIMMS-Division of Molecular Toxicology, Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit , De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
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20
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Molecular structure and spectroscopic investigations combined with hypoglycemic/anticancer and docking studies of a new barbituric acid derivative. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.12.072] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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21
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De Nisco M, Bolognese A, Sala M, Pedatella S, Manfra M. Microwave-Assisted Synthesis of Pyridophenoxazinones, a Class of Antiproliferative Compounds. ChemistrySelect 2016. [DOI: 10.1002/slct.201600316] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Mauro De Nisco
- Department of Sciences, University of Basilicata; Viale dell'Ateneo Lucano 10 I-85100 Potenza Italy
| | - Adele Bolognese
- Department of Chemical Sciences; University of Napoli Federico II; Via Cintia 4 I-80126 Napoli Italy
| | - Marina Sala
- Dipartimento di Scienze Farmaceutiche e Biomediche; University of Salerno; Via Ponte Don Melillo I-84084 Fisciano (SA) Italy
| | - Silvana Pedatella
- Department of Chemical Sciences; University of Napoli Federico II; Via Cintia 4 I-80126 Napoli Italy
| | - Michele Manfra
- Department of Sciences, University of Basilicata; Viale dell'Ateneo Lucano 10 I-85100 Potenza Italy
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