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Tanushi X, Pinna G, Vandamme M, Siberchicot C, D’Augustin O, Di Guilmi AM, Radicella JP, Castaing B, Smith R, Huet S, Leteurtre F, Campalans A. OGG1 competitive inhibitors show important off-target effects by directly inhibiting efflux pumps and disturbing mitotic progression. Front Cell Dev Biol 2023; 11:1124960. [PMID: 36819096 PMCID: PMC9936318 DOI: 10.3389/fcell.2023.1124960] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
One of the most abundant DNA lesions induced by Reactive oxygen species (ROS) is 8-oxoG, a highly mutagenic lesion that compromises genetic instability when not efficiently repaired. 8-oxoG is specifically recognized by the DNA-glycosylase OGG1 that excises the base and initiates the Base Excision Repair pathway (BER). Furthermore, OGG1 has not only a major role in DNA repair but it is also involved in transcriptional regulation. Cancer cells are particularly exposed to ROS, thus challenging their capacity to process oxidative DNA damage has been proposed as a promising therapeutic strategy for cancer treatment. Two competitive inhibitors of OGG1 (OGG1i) have been identified, TH5487 and SU0268, which bind to the OGG1 catalytic pocket preventing its fixation to the DNA. Early studies with these inhibitors show an enhanced cellular sensitivity to cytotoxic drugs and a reduction in the inflammatory response. Our study uncovers two unreported off-targets effects of these OGG1i that are independent of OGG1. In vitro and in cellulo approaches have unveiled that OGG1i TH5487 and SU0268, despite an unrelated molecular structure, are able to inhibit some members of the ABC family transporters, in particular ABC B1 (MDR1) and ABC G2 (BCRP). The inhibition of these efflux pumps by OGG1 inhibitors results in a higher intra-cellular accumulation of various fluorescent probes and drugs, and largely contributes to the enhanced cytotoxicity observed when the inhibitors are combined with cytotoxic agents. Furthermore, we found that SU0268 has an OGG1-independent anti-mitotic activity-by interfering with metaphase completion-resulting in a high cellular toxicity. These two off-target activities are observed at concentrations of OGG1i that are normally used for in vivo studies. It is thus critical to consider these previously unreported non-specific effects when interpreting studies using TH5487 and SU0268 in the context of OGG1 inhibition. Additionally, our work highlights the persistent need for new specific inhibitors of the enzymatic activity of OGG1.
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Affiliation(s)
- Xhaferr Tanushi
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Guillaume Pinna
- Université Paris-Saclay, Inserm, CEA/IBFJ/IRCM/Plateforme PARi, UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cite, Inserm, CEA/IBFJ/IRCM/Plateforme PARi, UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Marie Vandamme
- Université Paris-Saclay, Inserm, CEA/IBFJ/IRCM/Plateforme PARi, UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cite, Inserm, CEA/IBFJ/IRCM/Plateforme PARi, UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Capucine Siberchicot
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Ostiane D’Augustin
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes)—UMR 6290, BIOSIT—UMS 3480, Rennes, France
| | - Anne-Marie Di Guilmi
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - J. Pablo Radicella
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Bertrand Castaing
- Centre de Biophysique Moléculaire (CBM)UPR4301 CNRS, Université d’Orléans, Orléans, France
| | - Rebecca Smith
- Université Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes)—UMR 6290, BIOSIT—UMS 3480, Rennes, France
| | - Sebastien Huet
- Université Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes)—UMR 6290, BIOSIT—UMS 3480, Rennes, France,Institut Universitaire de France, Paris, France
| | - François Leteurtre
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Anna Campalans
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,*Correspondence: Anna Campalans,
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Perini V, Schacke M, Liddle P, Vilchez-Larrea S, Keszenman DJ, Lafon-Hughes L. PARP Inhibitor Olaparib Causes No Potentiation of the Bleomycin Effect in VERO Cells, Even in the Presence of Pooled ATM, DNA-PK, and LigIV Inhibitors. Int J Mol Sci 2020; 21:E8288. [PMID: 33167404 PMCID: PMC7663819 DOI: 10.3390/ijms21218288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/14/2020] [Accepted: 10/19/2020] [Indexed: 11/25/2022] Open
Abstract
Poly(ADP-ribosyl)polymerase (PARP) synthesizes poly(ADP-ribose) (PAR), which is anchored to proteins. PAR facilitates multiprotein complexes' assembly. Nuclear PAR affects chromatin's structure and functions, including transcriptional regulation. In response to stress, particularly genotoxic stress, PARP activation facilitates DNA damage repair. The PARP inhibitor Olaparib (OLA) displays synthetic lethality with mutated homologous recombination proteins (BRCA-1/2), base excision repair proteins (XRCC1, Polβ), and canonical nonhomologous end joining (LigIV). However, the limits of synthetic lethality are not clear. On one hand, it is unknown whether any limiting factor of homologous recombination can be a synthetic PARP lethality partner. On the other hand, some BRCA-mutated patients are not responsive to OLA for still unknown reasons. In an effort to help delineate the boundaries of synthetic lethality, we have induced DNA damage in VERO cells with the radiomimetic chemotherapeutic agent bleomycin (BLEO). A VERO subpopulation was resistant to BLEO, BLEO + OLA, and BLEO + OLA + ATM inhibitor KU55933 + DNA-PK inhibitor KU-0060648 + LigIV inhibitor SCR7 pyrazine. Regarding the mechanism(s) behind the resistance and lack of synthetic lethality, some hypotheses have been discarded and alternative hypotheses are suggested.
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Affiliation(s)
- Valentina Perini
- Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Departamento de Genética, Montevideo 11.600, Uruguay; (V.P.); (M.S.); (P.L.)
| | - Michelle Schacke
- Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Departamento de Genética, Montevideo 11.600, Uruguay; (V.P.); (M.S.); (P.L.)
| | - Pablo Liddle
- Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Departamento de Genética, Montevideo 11.600, Uruguay; (V.P.); (M.S.); (P.L.)
| | - Salomé Vilchez-Larrea
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular “Dr. Héctor N. Torres”, Consejo Nacional de Investigaciones Científicas y Técnicas, Ciudad Autónoma de Buenos Aires 1428, Argentina;
| | - Deborah J. Keszenman
- Laboratorio de Radiobiología Médica y Ambiental, Grupo de Biofisicoquímica, Centro Universitario Regional Litoral Norte, Universidad de la República (UdelaR), Salto 50.000, Uruguay
| | - Laura Lafon-Hughes
- Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Departamento de Genética, Montevideo 11.600, Uruguay; (V.P.); (M.S.); (P.L.)
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Sari AN, Bhargava P, Dhanjal JK, Putri JF, Radhakrishnan N, Shefrin S, Ishida Y, Terao K, Sundar D, Kaul SC, Wadhwa R. Combination of Withaferin-A and CAPE Provides Superior Anticancer Potency: Bioinformatics and Experimental Evidence to Their Molecular Targets and Mechanism of Action. Cancers (Basel) 2020; 12:E1160. [PMID: 32380701 PMCID: PMC7281427 DOI: 10.3390/cancers12051160] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/29/2020] [Accepted: 04/29/2020] [Indexed: 12/12/2022] Open
Abstract
We have earlier reported anticancer activity in Withaferin A (Wi-A), a withanolide derived from Ashwagandha (Withania somnifera) and caffeic acid phenethyl ester (CAPE), an active compound from New Zealand honeybee propolis. Whereas Wi-A was cytotoxic to both cancer and normal cells, CAPE has been shown to cause selective death of cancer cells. In the present study, we investigated the efficacy of Wi-A, CAPE, and their combination to ovarian and cervical cancer cells. Both Wi-A and CAPE were seen to activate tumor suppressor protein p53 by downregulation of mortalin and abrogation of its interactions with p53. Downregulation of mortalin translated to compromised mitochondria integrity and function that affected poly ADP-ribose polymerase1 (PARP1); a key regulator of DNA repair and protein-target for Olaparib, drugs clinically used for treatment of breast, ovarian and cervical cancers)-mediated DNA repair yielding growth arrest or apoptosis. Furthermore, we also compared the docking capability of Wi-A and CAPE to PARP1 and found that both of these could bind to the catalytic domain of PARP1, similar to Olaparib. We provide experimental evidences that (i) Wi-A and CAPE cause inactivation of PARP1-mediated DNA repair leading to accumulation of DNA damage and activation of apoptosis signaling by multiple ways, and (ii) a combination of Wi-A and CAPE offers selective toxicity and better potency to cancer cells.
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Affiliation(s)
- Anissa Nofita Sari
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan; (A.N.S.); (P.B.); (J.K.D.); (J.F.P.)
- School of Integrative and Global Majors, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Priyanshu Bhargava
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan; (A.N.S.); (P.B.); (J.K.D.); (J.F.P.)
| | - Jaspreet Kaur Dhanjal
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan; (A.N.S.); (P.B.); (J.K.D.); (J.F.P.)
- DAILAB, Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi 110 016, India; (N.R.); (S.S.); (D.S.)
| | - Jayarani F. Putri
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan; (A.N.S.); (P.B.); (J.K.D.); (J.F.P.)
| | - Navaneethan Radhakrishnan
- DAILAB, Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi 110 016, India; (N.R.); (S.S.); (D.S.)
| | - Seyad Shefrin
- DAILAB, Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi 110 016, India; (N.R.); (S.S.); (D.S.)
| | - Yoshiyuki Ishida
- CycloChem Co. Ltd., 7-4-5 Minatojima-Minamimachi, Chuo-ku, Kobe 650-0047, Japan; (Y.I.); (K.T.)
| | - Keiji Terao
- CycloChem Co. Ltd., 7-4-5 Minatojima-Minamimachi, Chuo-ku, Kobe 650-0047, Japan; (Y.I.); (K.T.)
| | - Durai Sundar
- DAILAB, Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi 110 016, India; (N.R.); (S.S.); (D.S.)
| | - Sunil C. Kaul
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan; (A.N.S.); (P.B.); (J.K.D.); (J.F.P.)
- School of Integrative and Global Majors, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Renu Wadhwa
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan; (A.N.S.); (P.B.); (J.K.D.); (J.F.P.)
- School of Integrative and Global Majors, University of Tsukuba, Tsukuba 305-8577, Japan
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