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Yan MP, Wee CE, Yen KP, Stevens A, Wai LK. G-quadruplex ligands as therapeutic agents against cancer, neurological disorders and viral infections. Future Med Chem 2023; 15:1987-2009. [PMID: 37933551 DOI: 10.4155/fmc-2023-0202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023] Open
Abstract
G-quadruplexes (G4s) within the human genome have undergone extensive molecular investigation, with a strong focus on telomeres, gene promoters and repetitive regulatory sequences. G4s play central roles in regulating essential biological processes, including telomere maintenance, replication, transcription and translation. Targeting these molecular processes with G4-binding ligands holds substantial therapeutic potential in anticancer treatments and has also shown promise in treating neurological, skeletal and muscular disorders. The presence of G4s in bacterial and viral genomes also suggests that G4-binding ligands could be a critical tool in fighting infections. This review provides an overview of the progress and applications of G4-binding ligands, their proposed mechanisms of action, challenges faced and prospects for their utilization in anticancer treatments, neurological disorders and antiviral activities.
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Affiliation(s)
- Mock Phooi Yan
- Centre for Drug & Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, 50300, Malaysia
| | - Chua Eng Wee
- Centre for Drug & Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, 50300, Malaysia
| | - Khor Poh Yen
- Faculty Pharmacy & Health Sciences, Universiti Kuala Lumpur, Royal College of Medicine Perak, 3, Jalan Greentown, Ipoh, Perak, 30450, Malaysia
| | - Aaron Stevens
- Department of Pathology & Molecular Medicine, University of Otago, Wellington, 6021, New Zealand
| | - Lam Kok Wai
- Centre for Drug & Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, 50300, Malaysia
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Hwang IP, Mailliet P, Hossard V, Riou JF, Bugaut A, Roger L. Investigating the Effect of Mono- and Dimeric 360A G-Quadruplex Ligands on Telomere Stability by Single Telomere Length Analysis (STELA). Molecules 2019; 24:molecules24030577. [PMID: 30736276 PMCID: PMC6384687 DOI: 10.3390/molecules24030577] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/14/2019] [Accepted: 01/31/2019] [Indexed: 11/16/2022] Open
Abstract
Telomeres are nucleoprotein structures that cap and protect the natural ends of chromosomes. Telomeric DNA G-rich strands can form G-quadruplex (or G4) structures. Ligands that bind to and stabilize G4 structures can lead to telomere dysfunctions by displacing shelterin proteins and/or by interfering with the replication of telomeres. We previously reported that two pyridine dicarboxamide G4 ligands, 360A and its dimeric analogue (360A)2A, were able to displace in vitro hRPA (a single-stranded DNA-binding protein of the replication machinery) from telomeric DNA by stabilizing the G4 structures. In this paper, we perform for the first time single telomere length analysis (STELA) to investigate the effect of G4 ligands on telomere length and stability. We used the unique ability of STELA to reveal the full spectrum of telomere lengths at a chromosome terminus in cancer cells treated with 360A and (360A)2A. Upon treatment with these ligands, we readily detected an increase of ultrashort telomeres, whose lengths are significantly shorter than the mean telomere length, and that could not have been detected by other methods.
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Affiliation(s)
- In Pyo Hwang
- "Structure and Instability of Genomes" Laboratory, Muséum National d'Histoire Naturelle (MNHN), Inserm U1154, CNRS UMR 7196, 43 rue Cuvier, 75005 Paris, France.
| | - Patrick Mailliet
- "Structure and Instability of Genomes" Laboratory, Muséum National d'Histoire Naturelle (MNHN), Inserm U1154, CNRS UMR 7196, 43 rue Cuvier, 75005 Paris, France.
| | - Virginie Hossard
- "Structure and Instability of Genomes" Laboratory, Muséum National d'Histoire Naturelle (MNHN), Inserm U1154, CNRS UMR 7196, 43 rue Cuvier, 75005 Paris, France.
| | - Jean-Francois Riou
- "Structure and Instability of Genomes" Laboratory, Muséum National d'Histoire Naturelle (MNHN), Inserm U1154, CNRS UMR 7196, 43 rue Cuvier, 75005 Paris, France.
| | - Anthony Bugaut
- "Structure and Instability of Genomes" Laboratory, Muséum National d'Histoire Naturelle (MNHN), Inserm U1154, CNRS UMR 7196, 43 rue Cuvier, 75005 Paris, France.
| | - Lauréline Roger
- "Structure and Instability of Genomes" Laboratory, Muséum National d'Histoire Naturelle (MNHN), Inserm U1154, CNRS UMR 7196, 43 rue Cuvier, 75005 Paris, France.
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Fluorescent light-up acridine orange derivatives bind and stabilize KRAS-22RT G-quadruplex. Biochimie 2018; 144:144-152. [DOI: 10.1016/j.biochi.2017.11.004] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Accepted: 11/06/2017] [Indexed: 01/17/2023]
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Safa L, Gueddouda NM, Thiébaut F, Delagoutte E, Petruseva I, Lavrik O, Mendoza O, Bourdoncle A, Alberti P, Riou JF, Saintomé C. 5' to 3' Unfolding Directionality of DNA Secondary Structures by Replication Protein A: G-QUADRUPLEXES AND DUPLEXES. J Biol Chem 2016; 291:21246-21256. [PMID: 27440048 DOI: 10.1074/jbc.m115.709667] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Indexed: 11/06/2022] Open
Abstract
The replication protein A (RPA) is a single-stranded DNA-binding protein that plays an essential role in DNA metabolism. RPA is able to unfold G-quadruplex (G4) structures formed by telomeric DNA sequences, a function important for telomere maintenance. To elucidate the mechanism through which RPA unfolds telomeric G4s, we studied its interaction with oligonucleotides that adopt a G4 structure extended with a single-stranded tail on either side of the G4. Binding and unfolding was characterized using several biochemical and biophysical approaches and in the presence of specific G4 ligands, such as telomestatin and 360A. Our data show that RPA can bind on each side of the G4 but it unwinds the G4 only from 5' toward 3'. We explain the 5' to 3' unfolding directionality in terms of the 5' to 3' oriented laying out of hRPA subunits along single-stranded DNA. Furthermore, we demonstrate by kinetics experiments that RPA proceeds with the same directionality for duplex unfolding.
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Affiliation(s)
- Layal Safa
- From the Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, INSERM U1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005, Paris, France, the Sorbonne Universités, UPMC University Paris 06, F-75005, Paris, France
| | - Nassima Meriem Gueddouda
- the Laboratoire ARNA-INSERM U1212, UMR 5320, Institut européen de chimie et biologie, 2 rue Robert Escarpit, 33607 Pessac, France
| | - Frédéric Thiébaut
- From the Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, INSERM U1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005, Paris, France, the Sorbonne Universités, UPMC University Paris 06, F-75005, Paris, France, the Ecole Normale Supérieure, PSL Research University, Département de Chimie, 24 rue Lhomond, CNRS, UMR 7203 LBM, 75005 Paris, France, and
| | - Emmanuelle Delagoutte
- From the Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, INSERM U1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005, Paris, France
| | - Irina Petruseva
- the Novosibirsk Institute of Chemical Biology and Fundamental Medecine, Siberian Division of Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Olga Lavrik
- the Novosibirsk Institute of Chemical Biology and Fundamental Medecine, Siberian Division of Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Oscar Mendoza
- the Laboratoire ARNA-INSERM U1212, UMR 5320, Institut européen de chimie et biologie, 2 rue Robert Escarpit, 33607 Pessac, France
| | - Anne Bourdoncle
- the Laboratoire ARNA-INSERM U1212, UMR 5320, Institut européen de chimie et biologie, 2 rue Robert Escarpit, 33607 Pessac, France
| | - Patrizia Alberti
- From the Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, INSERM U1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005, Paris, France,
| | - Jean-François Riou
- From the Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, INSERM U1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005, Paris, France
| | - Carole Saintomé
- From the Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, INSERM U1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005, Paris, France, the Sorbonne Universités, UPMC University Paris 06, F-75005, Paris, France,
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Bončina M, Hamon F, Islam B, Teulade-Fichou MP, Vesnaver G, Haider S, Lah J. Dominant Driving Forces in Human Telomere Quadruplex Binding-Induced Structural Alterations. Biophys J 2016; 108:2903-11. [PMID: 26083930 DOI: 10.1016/j.bpj.2015.05.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 04/07/2015] [Accepted: 05/03/2015] [Indexed: 01/23/2023] Open
Abstract
Recently various pathways of human telomere (ht) DNA folding into G-quadruplexes and of ligand binding to these structures have been proposed. However, the key issue as to the nature of forces driving the folding and recognition processes remains unanswered. In this study, structural changes of 22-mer ht-DNA fragment (Tel22), induced by binding of ions (K(+), Na(+)) and specific bisquinolinium ligands, were monitored by calorimetric and spectroscopic methods and by gel electrophoresis. Using the global model analysis of a wide variety of experimental data, we were able to characterize the thermodynamic forces that govern the formation of stable Tel22 G-quadruplexes, folding intermediates, and ligand-quadruplex complexes, and then predict Tel22 behavior in aqueous solutions as a function of temperature, salt concentration, and ligand concentration. On the basis of the above, we believe that our work sets the framework for better understanding the heterogeneity of ht-DNA folding and binding pathways, and its structural polymorphism.
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Affiliation(s)
- Matjaž Bončina
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia
| | - Florian Hamon
- Institut Curie, Centre National de la Recherche Scientifique UMR-176, Centre Universitaire d'Orsay, Orsay, France
| | - Barira Islam
- Centre for Cancer Research and Cell Biology, Queen's University of Belfast, Belfast, UK
| | - Marie-Paule Teulade-Fichou
- Institut Curie, Centre National de la Recherche Scientifique UMR-176, Centre Universitaire d'Orsay, Orsay, France
| | - Gorazd Vesnaver
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia
| | - Shozeb Haider
- Centre for Cancer Research and Cell Biology, Queen's University of Belfast, Belfast, UK; University College London School of Pharmacy, Bloomsbury, London, UK
| | - Jurij Lah
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia.
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Platinum(II) phenanthroimidazole G-quadruplex ligand induces selective telomere shortening in A549 cancer cells. Biochimie 2015; 121:287-97. [PMID: 26724375 DOI: 10.1016/j.biochi.2015.12.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 12/23/2015] [Indexed: 11/21/2022]
Abstract
Telomere maintenance, achieved by the binding of protective shelterin capping proteins to telomeres and by either telomerase or a recombination-based alternative lengthening of telomere (ALT) mechanism, is critical for cell proliferation and survival. Extensive telomere shortening or loss of telomere integrity activates DNA damage checkpoints, leading to cell senescence or death. Although telomerase upregulation is an attractive target for anti-cancer therapy, the lag associated with telomere shortening and the potential activation of ALT pose a challenge. An alternative approach is to modify telomere interactions with binding proteins (telomere uncapping). G-quadruplex ligands stabilize structures generated from single-stranded G-rich 3'-telomere end (G-quadruplex) folding, which in principle, cannot be elongated by telomerase, thus leading to telomere shortening. Ligands can also mediate rapid anti-proliferative effects by telomere uncapping. We previously reported that the G-quadruplex ligand, phenylphenanthroimidazole ethylenediamine platinum(II) (PIP), inhibits telomerase activity in vitro[47]. In the current study, a long-term seeding assay showed that PIP significantly inhibited the seeding capacity of A549 lung cancer cells and to a lesser extent primary MRC5 fibroblast cells. Importantly, treatment with PIP caused a significant dose- and time-dependent decrease in average telomere length of A549 but not MRC5 cells. Moreover, cell cycle analysis revealed a significant increase in G1 arrest upon treatment of A549 cells, but not MRC5 cells. Both apoptosis and cellular senescence may contribute to the anti-proliferative effects of PIP. Our studies validate the development of novel and specific therapeutic ligands targeting telomeric G-quadruplex structures in cancer cells.
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Trochet D, Mergui X, Ivkovic I, Porreca RM, Gerbault-Seureau M, Sidibe A, Richard F, Londono-Vallejo A, Perret M, Aujard F, Riou JF. Telomere regulation during ageing and tumorigenesis of the grey mouse lemur. Biochimie 2015; 113:100-10. [PMID: 25882681 DOI: 10.1016/j.biochi.2015.04.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Accepted: 04/03/2015] [Indexed: 01/01/2023]
Abstract
Telomere erosion leading to replicative senescence has been well documented in human and anthropoid primates, and provides a clue against tumorigenesis. In contrast, other mammals, such as laboratory mice, with short lifespan and low body weight mass have different telomere biology without replicative senescence. We analyzed telomere biology in the grey mouse lemur, a small prosimian model with a relative long lifespan currently used in ageing research. We report an average telomere length by telomere restriction fragment (TRF) among the longest reported so far for a primate species (25-30 kb), but without detectable overall telomere shortening with ageing on blood samples. However, we demonstrate using universal STELA (Single Telomere Length Amplification) the existence of short telomeres, the increase of which, while correlating with ageing might be related to another mechanism than replicative senescence. We also found a low stringency of telomerase restriction in tissues and an ease to immortalize fibroblasts in vitro upon spontaneous telomerase activation. Finally, we describe the first grey mouse lemur cancer cell line showing a dramatic telomere shortening and high telomerase activity associated with polyploidy. Our overall results suggest that telomere biology in grey mouse lemur is an exception among primates, with at best a physiologically limited replicative telomere ageing and closest to that observed in small rodents.
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Affiliation(s)
- Delphine Trochet
- Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, Inserm U 1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005 Paris, France
| | - Xénia Mergui
- Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, Inserm U 1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005 Paris, France
| | - Ivana Ivkovic
- Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, Inserm U 1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005 Paris, France
| | - Rosa Maria Porreca
- Telomeres and Cancer Laboratory, CNRS UMR 3244, Institut Curie, 26 rue d'Ulm, 75248 Paris, France; UPMC Univ. Paris 06, 75005 Paris, France
| | - Michèle Gerbault-Seureau
- Institut de Systématique, Evolution, Biodiversité, Sorbonne Universités, Muséum National d'Histoire Naturelle, UMR 7205 CNRS, UPMC Univ. Paris 06, EPHE, 57 rue Cuvier, 75005 Paris, France
| | - Assitan Sidibe
- Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, Inserm U 1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005 Paris, France
| | - Florence Richard
- Institut de Systématique, Evolution, Biodiversité, Sorbonne Universités, Muséum National d'Histoire Naturelle, UMR 7205 CNRS, UPMC Univ. Paris 06, EPHE, 57 rue Cuvier, 75005 Paris, France
| | - Arturo Londono-Vallejo
- Telomeres and Cancer Laboratory, CNRS UMR 3244, Institut Curie, 26 rue d'Ulm, 75248 Paris, France; UPMC Univ. Paris 06, 75005 Paris, France
| | - Martine Perret
- Mécanismes Adaptatifs et Evolution, Muséum National d'Histoire Naturelle, Sorbonne Universités, UMR 7179 CNRS, 1 Avenue du Petit Château, 91800 Brunoy, France
| | - Fabienne Aujard
- Mécanismes Adaptatifs et Evolution, Muséum National d'Histoire Naturelle, Sorbonne Universités, UMR 7179 CNRS, 1 Avenue du Petit Château, 91800 Brunoy, France
| | - Jean-François Riou
- Structure et Instabilité des Génomes, Sorbonne Universités, Muséum National d'Histoire Naturelle, Inserm U 1154, CNRS UMR 7196, CP26, 57 rue Cuvier, 75005 Paris, France.
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Safa L, Delagoutte E, Petruseva I, Alberti P, Lavrik O, Riou JF, Saintomé C. Binding polarity of RPA to telomeric sequences and influence of G-quadruplex stability. Biochimie 2014; 103:80-8. [PMID: 24747047 DOI: 10.1016/j.biochi.2014.04.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Accepted: 04/09/2014] [Indexed: 01/01/2023]
Abstract
Replication protein A (RPA) is a single-stranded DNA binding protein that plays an essential role in telomere maintenance. RPA binds to and unfolds G-quadruplex (G4) structures formed in telomeric DNA, thus facilitating lagging strand DNA replication and telomerase activity. To investigate the effect of G4 stability on the interactions with human RPA (hRPA), we used a combination of biochemical and biophysical approaches. Our data revealed an inverse relationship between G4 stability and ability of hRPA to bind to telomeric DNA; notably small G4 ligands that enhance G4 stability strongly impaired G4 unfolding by hRPA. To gain more insight into the mechanism of binding and unfolding of telomeric G4 structures by RPA, we carried out photo-crosslinking experiments to elucidate the spatial arrangement of the RPA subunits along the DNA strands. Our results showed that RPA1 and RPA2 are arranged from 5' to 3' along the unfolded telomeric G4, as already described for unstructured single-stranded DNA, while no contact is possible with RPA3 on this short oligonucleotide. In addition, these data are compatible with a 5' to 3' directionality in G4 unfolding by hRPA.
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Affiliation(s)
- Layal Safa
- Structure des Acides Nucléiques, Télomères et Evolution, Inserm U1154, CNRS UMR 7196, Muséum National d'Histoire Naturelle, 43 rue Cuvier, 75231 Paris cedex 05, France; Université Pierre et Marie Curie, 4 place Jussieu, 75005 Paris, France
| | - Emmanuelle Delagoutte
- Structure des Acides Nucléiques, Télomères et Evolution, Inserm U1154, CNRS UMR 7196, Muséum National d'Histoire Naturelle, 43 rue Cuvier, 75231 Paris cedex 05, France
| | - Irina Petruseva
- Novosibirsk Institute of Bioorganic Chemistry, Siberian Division of Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Patrizia Alberti
- Structure des Acides Nucléiques, Télomères et Evolution, Inserm U1154, CNRS UMR 7196, Muséum National d'Histoire Naturelle, 43 rue Cuvier, 75231 Paris cedex 05, France
| | - Olga Lavrik
- Novosibirsk Institute of Bioorganic Chemistry, Siberian Division of Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Jean-François Riou
- Structure des Acides Nucléiques, Télomères et Evolution, Inserm U1154, CNRS UMR 7196, Muséum National d'Histoire Naturelle, 43 rue Cuvier, 75231 Paris cedex 05, France.
| | - Carole Saintomé
- Structure des Acides Nucléiques, Télomères et Evolution, Inserm U1154, CNRS UMR 7196, Muséum National d'Histoire Naturelle, 43 rue Cuvier, 75231 Paris cedex 05, France; Université Pierre et Marie Curie, 4 place Jussieu, 75005 Paris, France.
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