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Gomes SF, Alvarenga ES, Baia VC, Oliveira DF. N-Phenylnorbornenesuccinimide derivatives, agricultural defensive, and enzymatic target selection. PEST MANAGEMENT SCIENCE 2024; 80:3278-3292. [PMID: 38372427 DOI: 10.1002/ps.8031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/06/2024] [Accepted: 02/14/2024] [Indexed: 02/20/2024]
Abstract
BACKGROUND Faced with the need to develop new herbicides with modes of action different to those observed for existing agrochemicals, one of the most promising strategies employed by synthetic chemists involves the structural modification of molecules found in natural products. Molecules containing amides, imides, and epoxides as functional groups are prevalent in nature and find extensive application in synthesizing more intricate compounds due to their biological properties. In this context, this paper delineates the synthesis of N-phenylnorbornenesuccinimide derivatives, conducts biological assays, and carries out in silico investigation of the protein target associated with the most potent compound in plant organisms. The phytotoxic effects of the synthesized compounds (2-29) were evaluated on Allium cepa, Bidens pilosa, Cucumis sativus, Sorghum bicolor, and Solanum lycopersicum. RESULTS Reaction of endo-bicyclo[2.2.1]hept-5-ene-3a,7a-dicarboxylic anhydride (1) with aromatic amines led to the N-phenylnorbornenesuccinic acids (2-11) with yields ranging from 75% to 90%. Cyclization of compounds (2-11) in the presence of acetic anhydride and sodium acetate afforded N-phenylnorbornenesuccinimides (12-20) with yields varying from 65% to 89%. Those imides were then subjected to epoxidation reaction to afford N-phenylepoxynorbornanesuccimides (21-29) with yields from 60% to 90%. All compounds inhibited the growth of seedlings of the plants evaluated. Substance 23 was the most active against the plants tested, inhibiting 100% the growth of all species in all concentrations. Cyclophilin was found to be the enzymatic target of compound 23. CONCLUSION These findings suggest that derivatives of N-phenylnorbornenesuccinimide are promising compounds in the quest for more selective and stable agrochemicals. This perspective reinforces the significance of these derivatives as potential innovative herbicides and emphasizes the importance of further exploring their biological activity on weeds. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Sabriny F Gomes
- Department of Chemistry, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Elson S Alvarenga
- Department of Chemistry, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Vitor C Baia
- Department of Chemistry, Universidade Federal de Viçosa, Viçosa, Brazil
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Rouleau-Turcotte É, Pascal JM. ADP-ribose contributions to genome stability and PARP enzyme trapping on sites of DNA damage; paradigm shifts for a coming-of-age modification. J Biol Chem 2023; 299:105397. [PMID: 37898399 PMCID: PMC10722394 DOI: 10.1016/j.jbc.2023.105397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 10/30/2023] Open
Abstract
ADP-ribose is a versatile modification that plays a critical role in diverse cellular processes. The addition of this modification is catalyzed by ADP-ribosyltransferases, among which notable poly(ADP-ribose) polymerase (PARP) enzymes are intimately involved in the maintenance of genome integrity. The role of ADP-ribose modifications during DNA damage repair is of significant interest for the proper development of PARP inhibitors targeted toward the treatment of diseases caused by genomic instability. More specifically, inhibitors promoting PARP persistence on DNA lesions, termed PARP "trapping," is considered a desirable characteristic. In this review, we discuss key classes of proteins involved in ADP-ribose signaling (writers, readers, and erasers) with a focus on those involved in the maintenance of genome integrity. An overview of factors that modulate PARP1 and PARP2 persistence at sites of DNA lesions is also discussed. Finally, we clarify aspects of the PARP trapping model in light of recent studies that characterize the kinetics of PARP1 and PARP2 recruitment at sites of lesions. These findings suggest that PARP trapping could be considered as the continuous recruitment of PARP molecules to sites of lesions, rather than the physical stalling of molecules. Recent studies and novel research tools have elevated the level of understanding of ADP-ribosylation, marking a coming-of-age for this interesting modification.
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Affiliation(s)
- Élise Rouleau-Turcotte
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, Quebec, Canada
| | - John M Pascal
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, Quebec, Canada.
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3
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Venugopal S, Kaur B, Verma A, Wadhwa P, Magan M, Hudda S, Kakoty V. Recent advances of benzimidazole as anticancer agents. Chem Biol Drug Des 2023; 102:357-376. [PMID: 37009821 DOI: 10.1111/cbdd.14236] [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] [Received: 10/31/2022] [Revised: 02/20/2023] [Accepted: 03/14/2023] [Indexed: 04/04/2023]
Abstract
Cancer is the second leading cause of death globally, with 9.6 million deaths yearly. As a life-threatening disease, it necessitates the emergence of new therapies. Resistance to current chemotherapies drives scientists to develop new medications that will eventually be accessible. Because heterocycles are so common in biological substances, compounds play a big part in the variety of medications that have been developed. The "Master Key" is the benzimidazole nucleus, which consists of a six-membered benzene ring fused with a five-membered imidazole/imidazoline ring, which is an azapyrrole. One of the five-membered aromatic nitrogen heterocycles identified in American therapies that have been approved by the Food and Drug Administration (FDA). Our results show that benzimidazole's broad therapeutic spectrum is due to its structural isosteres with purine, which improves hydrogen bonding, electrostatic interactions with topoisomerase complexes, intercalation with DNA, and other functions. It also enhances protein and nucleic acid inhibition, tubulin microtubule degeneration, apoptosis, DNA fragmentation, and other functions. Additionally, readers for designing the more recent benzimidazole analogues as prospective cancer treatments.
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Affiliation(s)
- Sneha Venugopal
- Department of Pharmaceutical Sciences, School of Pharmacy, Lovely Professional University, Punjab, India
| | - Balwinder Kaur
- Department of Pharmaceutical Sciences, School of Pharmacy, Lovely Professional University, Punjab, India
| | - Anil Verma
- Department of Pharmaceutical Sciences, School of Pharmacy, Lovely Professional University, Punjab, India
| | - Pankaj Wadhwa
- Department of Pharmaceutical Sciences, School of Pharmacy, Lovely Professional University, Punjab, India
| | - Muskan Magan
- Department of Pharmaceutical Sciences, School of Pharmacy, Lovely Professional University, Punjab, India
| | - Sharwan Hudda
- Department of Pharmaceutical Sciences, School of Pharmacy, Lovely Professional University, Punjab, India
| | - Violina Kakoty
- Department of Pharmaceutical Sciences, School of Pharmacy, Lovely Professional University, Punjab, India
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4
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Pillay N, Mariotti L, Zaleska M, Inian O, Jessop M, Hibbs S, Desfosses A, Hopkins PCR, Templeton CM, Beuron F, Morris EP, Guettler S. Structural basis of tankyrase activation by polymerization. Nature 2022; 612:162-169. [PMID: 36418402 PMCID: PMC9712121 DOI: 10.1038/s41586-022-05449-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 10/13/2022] [Indexed: 11/25/2022]
Abstract
The poly-ADP-ribosyltransferase tankyrase (TNKS, TNKS2) controls a wide range of disease-relevant cellular processes, including WNT-β-catenin signalling, telomere length maintenance, Hippo signalling, DNA damage repair and glucose homeostasis1,2. This has incentivized the development of tankyrase inhibitors. Notwithstanding, our knowledge of the mechanisms that control tankyrase activity has remained limited. Both catalytic and non-catalytic functions of tankyrase depend on its filamentous polymerization3-5. Here we report the cryo-electron microscopy reconstruction of a filament formed by a minimal active unit of tankyrase, comprising the polymerizing sterile alpha motif (SAM) domain and its adjacent catalytic domain. The SAM domain forms a novel antiparallel double helix, positioning the protruding catalytic domains for recurring head-to-head and tail-to-tail interactions. The head interactions are highly conserved among tankyrases and induce an allosteric switch in the active site within the catalytic domain to promote catalysis. Although the tail interactions have a limited effect on catalysis, they are essential to tankyrase function in WNT-β-catenin signalling. This work reveals a novel SAM domain polymerization mode, illustrates how supramolecular assembly controls catalytic and non-catalytic functions, provides important structural insights into the regulation of a non-DNA-dependent poly-ADP-ribosyltransferase and will guide future efforts to modulate tankyrase and decipher its contribution to disease mechanisms.
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Affiliation(s)
- Nisha Pillay
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
- Division of Cancer Biology, The Institute of Cancer Research (ICR), London, UK
| | - Laura Mariotti
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
- Division of Cancer Biology, The Institute of Cancer Research (ICR), London, UK
| | - Mariola Zaleska
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
- Division of Cancer Biology, The Institute of Cancer Research (ICR), London, UK
| | - Oviya Inian
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
- Division of Cancer Biology, The Institute of Cancer Research (ICR), London, UK
| | - Matthew Jessop
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
- Division of Cancer Biology, The Institute of Cancer Research (ICR), London, UK
| | - Sam Hibbs
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
- Division of Cancer Biology, The Institute of Cancer Research (ICR), London, UK
| | - Ambroise Desfosses
- Institut de Biologie Structurale (IBS), University Grenoble Alpes, CEA, CNRS, Grenoble, France
| | - Paul C R Hopkins
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
- Division of Cancer Biology, The Institute of Cancer Research (ICR), London, UK
| | - Catherine M Templeton
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
- Division of Cancer Biology, The Institute of Cancer Research (ICR), London, UK
| | - Fabienne Beuron
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
| | - Edward P Morris
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK
| | - Sebastian Guettler
- Division of Structural Biology, The Institute of Cancer Research (ICR), London, UK.
- Division of Cancer Biology, The Institute of Cancer Research (ICR), London, UK.
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Zhou X, Yang Y, Xu Q, Zhou H, Zhong F, Deng J, Zhang J, Li J. Crystal structures of the catalytic domain of human PARP15 in complex with small molecule inhibitors. Biochem Biophys Res Commun 2022; 622:93-100. [PMID: 35843099 DOI: 10.1016/j.bbrc.2022.06.070] [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: 05/25/2022] [Revised: 06/15/2022] [Accepted: 06/22/2022] [Indexed: 11/25/2022]
Abstract
PARP15, or ARTD7, is an enzyme carrying out mono-ADP-ribosylation and regulating activities of a range of cellular proteins. This enzyme belongs to the family of the poly(ADP-ribose) polymerases (PARPs), which comprises of proteins with various potential disease indications. Due to their involvement in a number of cellular processes and important role in DNA repair and regulation, PARPs have been considered attractive therapeutic targets over the past few years. The pursuit of small molecule PARP inhibitors has resulted in several FDA approved drugs for multiple cancers so far. As the use of PARP inhibitors as drug scaffolds is actively explored recently, there is increasing interest in the design of selective inhibitors based on the structural features of the PARP proteins. Here, we solved high-resolution crystal structures of the human PARP15 catalytic domain in complex with three marketed drugs of PARP inhibitors, which includes compounds 3-AB, iniparib and niraparib. The structures reported here contribute to our understanding of the ligand binding modes and structural features in the PARP15 catalytic domain, which can be employed to guide the rational design of selective inhibitors of PARPs.
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Affiliation(s)
- Xuelan Zhou
- College of Pharmaceutical Sciences, Gannan Medical University, Ganzhou, 341000, China
| | - Yang Yang
- Shenzhen Crystalo Biopharmaceutical Co., Ltd, Shenzhen, 518118, China
| | - Qin Xu
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201204, China
| | - Huan Zhou
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201204, China
| | - Fanglin Zhong
- Shenzhen Crystalo Biopharmaceutical Co., Ltd, Shenzhen, 518118, China; Jiangxi Jmerry Biopharmaceutical Co., Ltd, Ganzhou, 341000, China
| | - Jun Deng
- The First Affiliated Hospital of Nanchang University, Nanchang, 330031, Jiangxi, China
| | - Jin Zhang
- Shenzhen Crystalo Biopharmaceutical Co., Ltd, Shenzhen, 518118, China; Jiangxi Jmerry Biopharmaceutical Co., Ltd, Ganzhou, 341000, China.
| | - Jian Li
- College of Pharmaceutical Sciences, Gannan Medical University, Ganzhou, 341000, China.
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Yu M, Yang Y, Sykes M, Wang S. Small-Molecule Inhibitors of Tankyrases as Prospective Therapeutics for Cancer. J Med Chem 2022; 65:5244-5273. [PMID: 35306814 DOI: 10.1021/acs.jmedchem.1c02139] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Tankyrases are multifunctional poly(adenosine diphosphate-ribose) polymerases that regulate diverse biological processes including telomere maintenance and cellular signaling. These processes are often implicated in a number of human diseases, with cancer being the most prevalent example. Accordingly, tankyrase inhibitors have gained increasing attention as potential therapeutics. Since the discovery of XAV939 and IWR-1 as the first tankyrase inhibitors over two decades ago, tankyrase-targeted drug discovery has made significant progress. This review starts with an introduction of tankyrases, with emphasis placed on their cancer-related functions. Small-molecule inhibitors of tankyrases are subsequently delineated based on their distinct modes of binding to the enzymes. In addition to inhibitors that compete with oxidized nicotinamide adenine dinucleotide (NAD+) for binding to the catalytic domain of tankyrases, non-NAD+-competitive inhibitors are detailed. This is followed by a description of three clinically trialled tankyrase inhibitors. To conclude, some of challenges and prospects in developing tankyrase-targeted cancer therapies are discussed.
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Affiliation(s)
- Mingfeng Yu
- Drug Discovery and Development, Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Yuchao Yang
- Drug Discovery and Development, Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Matthew Sykes
- Drug Discovery and Development, Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Shudong Wang
- Drug Discovery and Development, Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5000, Australia
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7
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Targeting PARP proteins in acute leukemia: DNA damage response inhibition and therapeutic strategies. J Hematol Oncol 2022; 15:10. [PMID: 35065680 PMCID: PMC8783444 DOI: 10.1186/s13045-022-01228-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/12/2022] [Indexed: 02/06/2023] Open
Abstract
The members of the Poly(ADP‐ribose) polymerase (PARP) superfamily are involved in several biological processes and, in particular, in the DNA damage response (DDR). The most studied members, PARP1, PARP2 and PARP3, act as sensors of DNA damages, in order to activate different intracellular repair pathways, including single-strand repair, homologous recombination, conventional and alternative non-homologous end joining. This review recapitulates the functional role of PARPs in the DDR pathways, also in relationship with the cell cycle phases, which drives our knowledge of the mechanisms of action of PARP inhibitors (PARPi), encompassing inhibition of single-strand breaks and base excision repair, PARP trapping and sensitization to antileukemia immune responses. Several studies have demonstrated a preclinical activity of the current available PARPi, olaparib, rucaparib, niraparib, veliparib and talazoparib, as single agent and/or in combination with cytotoxic, hypomethylating or targeted drugs in acute leukemia, thus encouraging the development of clinical trials. We here summarize the most recent preclinical and clinical findings and discuss the synthetic lethal interactions of PARPi in acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL). Despite the low frequency of genomic alterations of PARP and other DDR-related genes in acute leukemia, selective vulnerabilities have been reported in several disease subgroups, along with a “BRCAness phenotype.” AML carrying the RUNX1-RUNX1T1 or PML-RARA fusion genes or mutations in signaling genes (FLT3-ITD in combination with TET2 or TET2 and DNMT3A deficiency), cohesin complex members (STAG2), TP53 and BCOR as co-occurring lesions, IDH1/2 and ALL cases expressing the TCF3-HLF chimera or TET1 was highly sensitive to PARPi in preclinical studies. These data, along with the warning coming from the observation of cases of therapy-related myeloid malignancies among patients receiving PARPi for solid tumors treatment, indicate that PARPi represents a promising strategy in a personalized medicine setting. The characterization of the clonal and subclonal genetic background and of the DDR functionality is crucial to select acute leukemia patients that will likely benefit of PARPi-based therapeutic regimens.
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8
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Chatterjee A, Paul S, Bisht B, Bhattacharya S, Sivasubramaniam S, Paul MK. Advances in targeting the WNT/β-catenin signaling pathway in cancer. Drug Discov Today 2021; 27:82-101. [PMID: 34252612 DOI: 10.1016/j.drudis.2021.07.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/27/2021] [Accepted: 07/06/2021] [Indexed: 01/05/2023]
Abstract
WNT/β-catenin signaling orchestrates various physiological processes, including embryonic development, growth, tissue homeostasis, and regeneration. Abnormal WNT/β-catenin signaling is associated with various cancers and its inhibition has shown effective antitumor responses. In this review, we discuss the pathway, potential targets for the development of WNT/β-catenin inhibitors, available inhibitors, and their specific molecular interactions with the target proteins. We also discuss inhibitors that are in clinical trials and describe potential new avenues for therapeutically targeting the WNT/β-catenin pathway. Furthermore, we introduce emerging strategies, including artificial intelligence (AI)-assisted tools and technology-based actionable approaches, to translate WNT/β-catenin inhibitors to the clinic for cancer therapy.
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Affiliation(s)
- Avradip Chatterjee
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Sayan Paul
- Department of Biotechnology, Manonmaniam Sundaranar University, Tirunelveli, Tamil Nadu 627012, India; Centre for Cardiovascular Biology and Disease, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore 560065, India
| | - Bharti Bisht
- Department of Thoracic Surgery, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA
| | - Shelley Bhattacharya
- Environmental Toxicology Laboratory, Department of Zoology (Centre for Advanced Studies), Visva Bharati (A Central University), Santiniketan 731235, India
| | - Sudhakar Sivasubramaniam
- Department of Biotechnology, Manonmaniam Sundaranar University, Tirunelveli, Tamil Nadu 627012, India
| | - Manash K Paul
- Department of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA.
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9
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Shen H, Ge Y, Wang J, Li H, Xu Y, Zhu Q. Design, synthesis and biological evaluation of novel molecules as potent PARP-1 inhibitors. Bioorg Med Chem Lett 2021; 47:128169. [PMID: 34091044 DOI: 10.1016/j.bmcl.2021.128169] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/19/2021] [Accepted: 05/29/2021] [Indexed: 11/28/2022]
Abstract
Two series of novel compounds with inhibition activity against PARP-1 were designed and synthesized. All target compounds were evaluated for their PARP-1 inhibition activity, and compounds with high PARP-1 inhibition activity were selected to assess for cellular assays in vitro. Among them, compound II-4 displayed impressive results in both PARP-1 enzyme inhibition with IC50 value of 0.51 nM and anti-proliferation activity against HCT116 and HCC1937 cell lines with IC50 values of 6.62 nM and 12.65 nM, respectively. Also, II-4 exhibited good metabolic stability in vitro with t1/2 of 173.25 min and CLint of 0.04 mL/min/mg. Prediction of molecular properties and protein docking were applied to structure design. Our study provides potential lead compounds and design directions for the development of PARP-1 inhibitors.
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Affiliation(s)
- Hui Shen
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 211198, China
| | - Yiran Ge
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Junwei Wang
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 211198, China
| | - Hui Li
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 211198, China
| | - Yungen Xu
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 211198, China; Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China.
| | - Qihua Zhu
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 211198, China; Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China.
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Bioinformatic Analysis of the Nicotinamide Binding Site in Poly(ADP-Ribose) Polymerase Family Proteins. Cancers (Basel) 2021; 13:cancers13061201. [PMID: 33801950 PMCID: PMC8002165 DOI: 10.3390/cancers13061201] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/02/2021] [Accepted: 03/05/2021] [Indexed: 12/27/2022] Open
Abstract
Simple Summary The PARP family consists of 17 proteins, and some of them are responsible for cancer cells’ viability. Much attention is therefore given to the search for chemical compounds with the ability to suppress distinct PARP family members (for example, PARP-5a and 5b). Here, we present the results of a family-wide bioinformatic analysis of an important functional region in the PARP structure and describe factors that can guide the design of highly selective compounds. Abstract The PARP family consists of 17 members with diverse functions, including those related to cancer cells’ viability. Several PARP inhibitors are of great interest as innovative anticancer drugs, but they have low selectivity towards distinct PARP family members and exert serious adverse effects. We describe a family-wide study of the nicotinamide (NA) binding site, an important functional region in the PARP structure, using comparative bioinformatic analysis and molecular modeling. Mutations in the NA site and D-loop mobility around the NA site were identified as factors that can guide the design of selective PARP inhibitors. Our findings are of particular importance for the development of novel tankyrase (PARPs 5a and 5b) inhibitors for cancer therapy.
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Bamunuarachchi G, Yang X, Huang C, Liang Y, Guo Y, Liu L. MicroRNA-206 inhibits influenza A virus replication by targeting tankyrase 2. Cell Microbiol 2020; 23:e13281. [PMID: 33099847 DOI: 10.1111/cmi.13281] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 10/08/2020] [Accepted: 10/16/2020] [Indexed: 12/31/2022]
Abstract
Due to the frequent mutations, influenza A virus (IAV) becomes resistant to anti-viral drugs targeting influenza viral proteins. There are increasing interests in anti-viral agents that target host cellular proteins required for virus replication. Tankyrase (TNKS) has poly (ADP-ribose) polymerase activity and is a negative regulator of many host proteins. The objectives of this study are to study the role of TNKS2 in IAV infection, identify the microRNAs targeting TNKS2, and to understand the mechanisms involved. We found that TNKS2 expression was elevated in human lung epithelial cells and mouse lungs during IAV infection. Knock-down of TNKS2 by RNA interference reduced viral replication. Using a computation approach and 3'-untranslation regions (3'-UTR) reporter assay, we identified miR-206 as the microRNA that targeted TNKS2. Overexpression of miR-206 reduced viral protein levels and virus production in cell culture. The effect of miR-206 on IAV replication was strain-independent. miR-206 activated JNK/c-Jun signalling, induced type I interferon expression and enhanced Stat signalling. Finally, the delivery of an adenovirus expressing miR-206 into the lung of mice challenged with IAV increased type I interferon response, suppressed viral load in the lungs and increased survival. Our results indicate that miR-206 has anti-influenza activity by targeting TNKS2 and subsequently activating the anti-viral state.
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Affiliation(s)
- Gayan Bamunuarachchi
- Oklahoma Center for Respiratory and Infectious Diseases, Oklahoma State University, Stillwater, Oklahoma, USA.,Lundberg-Kienlen Lung Biology and Toxicology Laboratory, Department of Physiological Sciences, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Xiaoyun Yang
- Oklahoma Center for Respiratory and Infectious Diseases, Oklahoma State University, Stillwater, Oklahoma, USA.,Lundberg-Kienlen Lung Biology and Toxicology Laboratory, Department of Physiological Sciences, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Chaoqun Huang
- Oklahoma Center for Respiratory and Infectious Diseases, Oklahoma State University, Stillwater, Oklahoma, USA.,Lundberg-Kienlen Lung Biology and Toxicology Laboratory, Department of Physiological Sciences, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Yurong Liang
- Oklahoma Center for Respiratory and Infectious Diseases, Oklahoma State University, Stillwater, Oklahoma, USA.,Lundberg-Kienlen Lung Biology and Toxicology Laboratory, Department of Physiological Sciences, Oklahoma State University, Stillwater, Oklahoma, USA
| | | | - Lin Liu
- Oklahoma Center for Respiratory and Infectious Diseases, Oklahoma State University, Stillwater, Oklahoma, USA.,Lundberg-Kienlen Lung Biology and Toxicology Laboratory, Department of Physiological Sciences, Oklahoma State University, Stillwater, Oklahoma, USA
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Zhou P, Wang J, Mishail D, Wang CY. Recent advancements in PARP inhibitors-based targeted cancer therapy. PRECISION CLINICAL MEDICINE 2020; 3:187-201. [PMID: 32983586 PMCID: PMC7501589 DOI: 10.1093/pcmedi/pbaa030] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 08/27/2020] [Accepted: 08/27/2020] [Indexed: 12/11/2022] Open
Abstract
Poly(ADP-ribose) polymerase inhibitors (PARPi) are a new class of agents with unparalleled clinical achievement for driving synthetic lethality in BRCA-deficient cancers. Recent FDA approval of PARPi has motivated clinical trials centered around the optimization of PARPi-associated therapies in a variety of BRCA-deficient cancers. This review highlights recent advancements in understanding the molecular mechanisms of PARP ‘trapping’ and synthetic lethality. Particular attention is placed on the potential extension of PARPi therapies from BRCA-deficient patients to populations with other homologous recombination-deficient backgrounds, and common characteristics of PARPi and non-homologous end-joining have been elucidated. The synergistic antitumor effect of combining PARPi with various immune checkpoint blockades has been explored to evaluate the potential of combination therapy in attaining greater therapeutic outcome. This has shed light onto the differing classifications of PARPi as well as the factors that result in altered PARPi activity. Lastly, acquired chemoresistance is a crucial issue for clinical application of PARPi. The molecular mechanisms underlying PARPi resistance and potential overcoming strategies are discussed.
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Affiliation(s)
- Ping Zhou
- Laboratory of Molecular Signaling, Division of Oral Biology and Medicine, School of Dentistry, UCLA, Los Angeles, CA 90095, USA
| | - Justin Wang
- Laboratory of Molecular Signaling, Division of Oral Biology and Medicine, School of Dentistry, UCLA, Los Angeles, CA 90095, USA
| | - Daniel Mishail
- Laboratory of Molecular Signaling, Division of Oral Biology and Medicine, School of Dentistry, UCLA, Los Angeles, CA 90095, USA
| | - Cun-Yu Wang
- Laboratory of Molecular Signaling, Division of Oral Biology and Medicine, School of Dentistry, UCLA, Los Angeles, CA 90095, USA
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13
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Wang R, Cong Y, Li M, Bao J, Qi Y, Zhang JZH. Molecular Mechanism of Selective Binding of NMS-P118 to PARP-1 and PARP-2: A Computational Perspective. Front Mol Biosci 2020; 7:50. [PMID: 32373627 PMCID: PMC7179655 DOI: 10.3389/fmolb.2020.00050] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 03/13/2020] [Indexed: 12/11/2022] Open
Abstract
The nuclear protein poly (ADP-ribose) polymerase-1 (PARP-1) inhibitors have been proven effective to potentiate both chemotherapeutic agents and radiotherapy. However, a major problem of most current PARP inhibitors is their lack of selectivity for PARP-1 and its closest isoform PARP-2. NMS-P118 is a highly selective PARP inhibitor that binds PARP-1 stronger than PARP-2 and has many advantages such as excellent pharmacokinetic profiles. In this study, molecular dynamics (MD) simulations of NMS-P118 in complex with PARP-1 and PARP-2 were performed to understand the molecular mechanism of its selectivity. Alanine scanning together with free energy calculation using MM/GBSA and interaction entropy reveal key residues that are responsible for the selectivity. Although the conformation of the binding pockets and NMS-P118 are very similar in PARP-1 and PARP-2, most of the hot-spot residues in PARP-1 have stronger binding free energy than the corresponding residues in PARP-2. Detailed analysis of the binding energy shows that the 4′4-difluorocyclohexyl ring on NMS-P118 form favorable hydrophobic interaction with Y889 in PARP-1. In addition, the H862 residue in PARP-1 has stronger binding free energy than H428 in PARP-2, which is due to shorter distance and stronger hydrogen bonds. Moreover, the negatively charged E763 residue in PARP-1 forms stronger electrostatic interaction energy with the positively charged NMS-P118 than the Q332 residue in PARP-2. These results rationalize the selectivity of NMS-P118 and may be useful for designing novel selective PARP inhibitors.
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Affiliation(s)
- Ran Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University at Shanghai, Shanghai, China
| | - Yalong Cong
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University at Shanghai, Shanghai, China
| | - Mengxin Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University at Shanghai, Shanghai, China
| | - Jinxiao Bao
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University at Shanghai, Shanghai, China
| | - Yifei Qi
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University at Shanghai, Shanghai, China.,NYU-ECNU Center for Computational Chemistry at NYU Shanghai, Shanghai, China
| | - John Z H Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University at Shanghai, Shanghai, China.,NYU-ECNU Center for Computational Chemistry at NYU Shanghai, Shanghai, China.,Department of Chemistry, New York University, New York, NY, United States.,Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, China
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14
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Zandarashvili L, Langelier MF, Velagapudi UK, Hancock MA, Steffen JD, Billur R, Hannan ZM, Wicks AJ, Krastev DB, Pettitt SJ, Lord CJ, Talele TT, Pascal JM, Black BE. Structural basis for allosteric PARP-1 retention on DNA breaks. Science 2020; 368:eaax6367. [PMID: 32241924 PMCID: PMC7347020 DOI: 10.1126/science.aax6367] [Citation(s) in RCA: 171] [Impact Index Per Article: 42.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 12/22/2019] [Accepted: 01/28/2020] [Indexed: 12/12/2022]
Abstract
The success of poly(ADP-ribose) polymerase-1 (PARP-1) inhibitors (PARPi) to treat cancer relates to their ability to trap PARP-1 at the site of a DNA break. Although different forms of PARPi all target the catalytic center of the enzyme, they have variable abilities to trap PARP-1. We found that several structurally distinct PARPi drive PARP-1 allostery to promote release from a DNA break. Other inhibitors drive allostery to retain PARP-1 on a DNA break. Further, we generated a new PARPi compound, converting an allosteric pro-release compound to a pro-retention compound and increasing its ability to kill cancer cells. These developments are pertinent to clinical applications where PARP-1 trapping is either desirable or undesirable.
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Affiliation(s)
- Levani Zandarashvili
- Department of Biochemistry and Biophysics, Penn Center for Genome Integrity, Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Marie-France Langelier
- Département de Biochimie and Médecine Moléculaire, Faculté de Médecine, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Uday Kiran Velagapudi
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Mark A Hancock
- SPR-MS Facility, McGill University, Montréal, Quebec, Canada
| | - Jamin D Steffen
- Department of Biochemistry and Molecular Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Ramya Billur
- Department of Biochemistry and Biophysics, Penn Center for Genome Integrity, Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Zain M Hannan
- Department of Biochemistry and Biophysics, Penn Center for Genome Integrity, Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Andrew J Wicks
- CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, London SW3 6JB, UK
| | - Dragomir B Krastev
- CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, London SW3 6JB, UK
| | - Stephen J Pettitt
- CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, London SW3 6JB, UK
| | - Christopher J Lord
- CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, London SW3 6JB, UK
| | - Tanaji T Talele
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - John M Pascal
- Département de Biochimie and Médecine Moléculaire, Faculté de Médecine, Université de Montréal, Montréal, QC H3C 3J7, Canada.
| | - Ben E Black
- Department of Biochemistry and Biophysics, Penn Center for Genome Integrity, Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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15
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Kim MJ, Moon D, Jung S, Lee J, Kim J. Cisplatin nephrotoxicity is induced via poly(ADP-ribose) polymerase activation in adult zebrafish and mice. Am J Physiol Regul Integr Comp Physiol 2020; 318:R843-R854. [PMID: 32186196 DOI: 10.1152/ajpregu.00130.2019] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cisplatin is a well-known chemotherapy medication used to treat numerous cancers. However, treatment with cisplatin in cancer therapy has major side effects, such as nephrotoxic acute kidney injury. Adult vertebrate kidneys are commonly used as models of cisplatin-induced nephrotoxic acute kidney injury. Embryonic zebrafish kidney is more simplified and is composed simply of two nephrons and thus is an excellent model for the investigation of cisplatin nephrotoxicity. Here, we developed a novel model to induce cisplatin nephrotoxicity in adult zebrafish and demonstrated that intraperitoneal injection of cisplatin caused a decline in kidney proximal tubular function based on fluorescein-labeled dextran uptake and alkaline phosphatase staining. We also showed that cisplatin induced histological injury of the kidney tubules, quantified by tubular injury scores on the periodic acid-Schiff-stained kidney sections. As shown in a mouse model of cisplatin-induced nephrotoxicity, the activation of poly(ADP-ribose) polymerase (PARP), an enzyme implicated in cisplatin-induced cell death, was markedly increased after cisplatin injection in adult zebrafish. Furthermore, pharmacological inhibition of PARP using a specific PARP inhibitor PJ 34 hydrochloride (PJ34) or 3-aminobenzamide ameliorated kidney proximal tubular functional and histological damages in cisplatin-injected adult zebrafish kidneys. Administration of a combination of PARP inhibitors PJ34 and 3-aminobenzamide additively protected renal function and histology in zebrafish and mouse models of cisplatin nephrotoxicity. In conclusion, these data suggest that adult zebrafish are not only suitable for drug screening and genetic manipulation but also useful as a simplified but powerful model to study the pathophysiology of cisplatin nephrotoxicity and establish new therapies for treating human kidney diseases.
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Affiliation(s)
- Myoung-Jin Kim
- Department of Marine Life Sciences and Fish Vaccine Research Center, Jeju National University, Jeju, Republic of Korea.,School of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Daeun Moon
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju, Republic of Korea
| | - Sumi Jung
- Department of Marine Life Sciences and Fish Vaccine Research Center, Jeju National University, Jeju, Republic of Korea
| | - Jehee Lee
- Department of Marine Life Sciences and Fish Vaccine Research Center, Jeju National University, Jeju, Republic of Korea
| | - Jinu Kim
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju, Republic of Korea.,Department of Anatomy, Jeju National University School of Medicine, Jeju Self-Governing Province, Republic of Korea
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16
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Zhang X, Zhang C, Tang L, Lu K, Zhao H, Wu W, Jiang Y. Synthesis and biological evaluation of piperidyl benzimidazole carboxamide derivatives as potent PARP-1 inhibitors and antitumor agents. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.04.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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17
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Peters XQ, Malinga TH, Agoni C, Olotu FA, Soliman MES. Zoning in on Tankyrases: A Brief Review on the Past, Present and Prospective Studies. Anticancer Agents Med Chem 2019; 19:1920-1934. [PMID: 31648650 DOI: 10.2174/1871520619666191019114321] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 06/29/2019] [Accepted: 07/17/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Tankyrases are known for their multifunctionalities within the poly(ADPribose) polymerases family and playing vital roles in various cellular processes which include the regulation of tumour suppressors. Tankyrases, which exist in two isoforms; Tankyrase 1 and 2, are highly homologous and an integral part of the Wnt β -catenin pathway that becomes overly dysregulated when hijacked by pro-carcinogenic machineries. METHODS In this review, we cover the distinct roles of the Tankyrase isoforms and their involvement in the disease pathogenesis. Also, we provide updates on experimentally and computationally derived antagonists of Tankyrase whilst highlighting the precedence of integrative computer-aided drug design methods towards the discovery of selective inhibitors. RESULTS Despite the high prospects embedded in the therapeutic targeting and blockade of Tankyrase isoforms, the inability of small molecule inhibitors to achieve selective targeting has remained a major setback, even until date. This explains numerous incessant drug design efforts geared towards the development of highly selective inhibitors of the respective Tankyrase isoforms since they mediate distinct aberrancies in disease progression. Therefore, considering the setbacks of conventional drug design methods, can computer-aided approaches actually save the day? CONCLUSION The implementation of computer-aided drug design techniques in Tankyrase research could help complement experimental methods and facilitate ligand/structure-based design and discovery of small molecule inhibitors with enhanced selectivity.
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Affiliation(s)
- Xylia Q Peters
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa
| | - Thembeka H Malinga
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa
| | - Clement Agoni
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa
| | - Fisayo A Olotu
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa
| | - Mahmoud E S Soliman
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa
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18
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Przybycinski J, Nalewajska M, Marchelek-Mysliwiec M, Dziedziejko V, Pawlik A. Poly-ADP-ribose polymerases (PARPs) as a therapeutic target in the treatment of selected cancers. Expert Opin Ther Targets 2019; 23:773-785. [PMID: 31394942 DOI: 10.1080/14728222.2019.1654458] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Introduction: The implementation of poly-ADP-ribose polymerase (PARP) inhibitors for therapy has created potential treatments for a wide spectrum of malignancies involving DNA damage repair gene abnormalities. PARPs are a group of enzymes that are responsible for detecting and repairing DNA damage and therefore play a key role in maintaining cell function and integrity. PARP inhibitors are drugs that target DNA repair deficiencies. Inhibiting PARP activity in cancer cells causes cell death. Areas covered: This review summarizes the role of PARP inhibitors in the treatment of cancer. We performed a systematic literature search in February 2019 in the electronic databases PubMed and EMBASE. Our search terms were the following: PARP, PARP inhibitors, PARPi, Poly ADP ribose polymerase, cancer treatment. We discuss PARP inhibitors currently being investigated in cancer clinical trials, their safety profiles, clinical resistance, combined therapeutic approaches and future challenges. Expert Opinion: The future could bring novel PARP inhibitors with greater DNA trapping potential, better safety profiles and improved combined therapies involving hormonal, chemo-, radio- or immunotherapies. Progress may afford wider indications for PARP inhibitors in the treatment of cancer and the utilization for cancer prevention in high-risk mutation carriers. Research efforts should focus on identifying novel drugs that target DNA repair deficiencies.
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Affiliation(s)
- Jarosław Przybycinski
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University , Szczecin , Poland
| | - Magdalena Nalewajska
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University , Szczecin , Poland
| | | | - Violetta Dziedziejko
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University , Szczecin , Poland
| | - Andrzej Pawlik
- Department of Physiology, Pomeranian Medical University , Szczecin , Poland
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19
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Loganathan L, Muthusamy K, Jayaraj JM, Kajamaideen A, Balthasar JJ. In silico insights on tankyrase protein: A potential target for colorectal cancer. J Biomol Struct Dyn 2018; 37:3637-3648. [PMID: 30204055 DOI: 10.1080/07391102.2018.1521748] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
The Wnt/β-catenin pathway plays an important regulatory role in cancer signaling and cell regenerative mechanisms. Its suppression has long been considered as an important challenge of anticancer treatment and management. The poly(ADP-ribose) polymerase (PARP) family represented as a new class of therapeutic targets with diverse potential disease indications. Tankyrase (TNKS) is considered to be a potential target for the intervention of various cancers. The main objective of the work is to explore the molecular and quantum mechanics of the drug-like compounds and to identify the potential inhibitors for TNKS protein using the structure and ligand-based virtual screening from several databases and to explore the binding pocket and interactions of active residues. The screened compounds were further filtered using binding-free energy calculation and molecular dynamics simulation studies. The results have provided a strong molecular knowledge of TNKS and offered top hit potent inhibitors. The identified lead compounds LC_40781, LC_40777, LC_39767, LC_8346, NCI_682438, and NCI_721141 were observed to have potent activity against TNKS protein. The hydrogen bonding of compounds with Asp1198, His1201, Tyr1203 in TNKS1 and Gly1032, Ser1068 in TNKS2 are the key interactions plays a major role in binding energy. Therefore, the outcome of the study would help for further validation and provides valuable information to guide the future TNKS-specific inhibitor designing. Communicated by Ramaswamy H. Sarma.
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20
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Mariotti L, Pollock K, Guettler S. Regulation of Wnt/β-catenin signalling by tankyrase-dependent poly(ADP-ribosyl)ation and scaffolding. Br J Pharmacol 2017; 174:4611-4636. [PMID: 28910490 PMCID: PMC5727255 DOI: 10.1111/bph.14038] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 07/28/2017] [Accepted: 08/07/2017] [Indexed: 12/24/2022] Open
Abstract
The Wnt/β-catenin signalling pathway is pivotal for stem cell function and the control of cellular differentiation, both during embryonic development and tissue homeostasis in adults. Its activity is carefully controlled through the concerted interactions of concentration-limited pathway components and a wide range of post-translational modifications, including phosphorylation, ubiquitylation, sumoylation, poly(ADP-ribosyl)ation (PARylation) and acetylation. Regulation of Wnt/β-catenin signalling by PARylation was discovered relatively recently. The PARP tankyrase PARylates AXIN1/2, an essential central scaffolding protein in the β-catenin destruction complex, and targets it for degradation, thereby fine-tuning the responsiveness of cells to the Wnt signal. The past few years have not only seen much progress in our understanding of the molecular mechanisms by which PARylation controls the pathway but also witnessed the successful development of tankyrase inhibitors as tool compounds and promising agents for the therapy of Wnt-dependent dysfunctions, including colorectal cancer. Recent work has hinted at more complex roles of tankyrase in Wnt/β-catenin signalling as well as challenges and opportunities in the development of tankyrase inhibitors. Here we review some of the latest advances in our understanding of tankyrase function in the pathway and efforts to modulate tankyrase activity to re-tune Wnt/β-catenin signalling in colorectal cancer cells. LINKED ARTICLES This article is part of a themed section on WNT Signalling: Mechanisms and Therapeutic Opportunities. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.24/issuetoc.
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Affiliation(s)
- Laura Mariotti
- Division of Structural BiologyThe Institute of Cancer ResearchLondonUK
- Division of Cancer BiologyThe Institute of Cancer ResearchLondonUK
| | - Katie Pollock
- Division of Structural BiologyThe Institute of Cancer ResearchLondonUK
- Division of Cancer BiologyThe Institute of Cancer ResearchLondonUK
- Division of Cancer TherapeuticsThe Institute of Cancer ResearchLondonUK
| | - Sebastian Guettler
- Division of Structural BiologyThe Institute of Cancer ResearchLondonUK
- Division of Cancer BiologyThe Institute of Cancer ResearchLondonUK
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21
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Rom S, Zuluaga-Ramirez V, Reichenbach NL, Dykstra H, Gajghate S, Pacher P, Persidsky Y. PARP inhibition in leukocytes diminishes inflammation via effects on integrins/cytoskeleton and protects the blood-brain barrier. J Neuroinflammation 2016; 13:254. [PMID: 27677851 PMCID: PMC5039899 DOI: 10.1186/s12974-016-0729-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 09/21/2016] [Indexed: 12/24/2022] Open
Abstract
Background Blood-brain barrier (BBB) dysfunction/disruption followed by leukocyte infiltration into the brain causes neuroinflammation and contributes to morbidity in multiple sclerosis, encephalitis, traumatic brain injury, and stroke. The identification of pathways that decreases the inflammatory potential of leukocytes would prevent such injury. Poly(ADP-ribose) polymerase 1 (PARP) controls various genes via its interaction with myriad transcription factors. Selective PARP inhibitors have appeared lately as potent anti-inflammatory tools. Their effects are outside the recognized PARP functions in DNA repair and transcriptional regulation. In this study, we explored the idea that selective inhibition of PARP in leukocytes would diminish their engagement of the brain endothelium. Methods Cerebral vascular changes and leukocyte-endothelium interactions were surveyed by intravital videomicroscopy utilizing a novel in vivo model of localized aseptic meningitis when TNFα was introduced intracerebrally in wild-type (PARP+/+) and PARP-deficient (PARP−/−) mice. The effects of selective PARP inhibition on primary human monocytes ability to adhere to or migrate across the BBB were also tested in vitro, employing primary human brain microvascular endothelial cells (BMVEC) as an in vitro model of the BBB. Results PARP suppression in monocytes diminished their adhesion to and migration across BBB in vitro models and prevented barrier injury. In monocytes, PARP inactivation decreased conformational activation of integrins that plays a key role in their tissue infiltration. Such changes were mediated by suppression of activation of small Rho GTPases and cytoskeletal rearrangements in monocytes. In vitro observations were confirmed in vivo showing diminished leukocyte-endothelial interaction after selective PARP suppression in leukocytes accompanied by BBB protection. PARP knockout animals demonstrated a substantial diminution of inflammatory responses in brain microvasculature and a decrease in BBB permeability. Conclusions These results suggest PARP inhibition in leukocytes as a novel approach to BBB protection in the setting of endothelial dysfunction caused by inflammation-induced leukocyte engagement. Electronic supplementary material The online version of this article (doi:10.1186/s12974-016-0729-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Slava Rom
- Department of Pathology and Laboratory Medicine, Temple University, Philadelphia, PA, 19140, USA. .,Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA.
| | - Viviana Zuluaga-Ramirez
- Department of Pathology and Laboratory Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Nancy L Reichenbach
- Department of Pathology and Laboratory Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Holly Dykstra
- Department of Pathology and Laboratory Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Sachin Gajghate
- Department of Pathology and Laboratory Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Pal Pacher
- Laboratory of Cardiovascular Physiology and Tissue Injury, National Institutes of Health/NIAAA, Bethesda, MD, 20852, USA
| | - Yuri Persidsky
- Department of Pathology and Laboratory Medicine, Temple University, Philadelphia, PA, 19140, USA. .,Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA.
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22
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Passeri D, Camaioni E, Liscio P, Sabbatini P, Ferri M, Carotti A, Giacchè N, Pellicciari R, Gioiello A, Macchiarulo A. Concepts and Molecular Aspects in the Polypharmacology of PARP-1 Inhibitors. ChemMedChem 2015; 11:1219-26. [PMID: 26424664 DOI: 10.1002/cmdc.201500391] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Indexed: 11/08/2022]
Abstract
Recent years have witnessed a renewed interest in PARP-1 inhibitors as promising anticancer agents with multifaceted functions. Particularly exciting developments include the approval of olaparib (Lynparza) for the treatment of refractory ovarian cancer in patients with BRCA1/2 mutations, and the increasing understanding of the polypharmacology of PARP-1 inhibitors. The aim of this review article is to provide the reader with a comprehensive overview of the distinct levels of the polypharmacology of PARP-1 inhibitors, including 1) inter-family polypharmacology, 2) intra-family polypharmacology, and 3) multi-signaling polypharmacology. Progress made in gaining insight into the molecular basis of these multiple target-independent and target-dependent activities of PARP-1 inhibitors are discussed, with an outlook on the potential impact that a better understanding of polypharmacology may have in aiding the explanation as to why some drug candidates work better than others in clinical settings, albeit acting on the same target with similar inhibitory potency.
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Affiliation(s)
- Daniela Passeri
- TES Pharma S.r.l., via Palmiro Togliatti 20, 06073 Corciano, Perugia, Italy
| | - Emidio Camaioni
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy
| | - Paride Liscio
- TES Pharma S.r.l., via Palmiro Togliatti 20, 06073 Corciano, Perugia, Italy
| | - Paola Sabbatini
- TES Pharma S.r.l., via Palmiro Togliatti 20, 06073 Corciano, Perugia, Italy
| | - Martina Ferri
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy
| | - Andrea Carotti
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy
| | - Nicola Giacchè
- TES Pharma S.r.l., via Palmiro Togliatti 20, 06073 Corciano, Perugia, Italy
| | | | - Antimo Gioiello
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy
| | - Antonio Macchiarulo
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy.
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