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Berrada S, Martínez-Balsalobre E, Larcher L, Azzoni V, Vasquez N, Da Costa M, Abel S, Audoly G, Lee L, Montersino C, Castellano R, Combes S, Gelot C, Ceccaldi R, Guervilly JH, Soulier J, Lachaud C. A clickable melphalan for monitoring DNA interstrand crosslink accumulation and detecting ICL repair defects in Fanconi anemia patient cells. Nucleic Acids Res 2023; 51:7988-8004. [PMID: 37395445 PMCID: PMC10450163 DOI: 10.1093/nar/gkad559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 06/14/2023] [Accepted: 06/21/2023] [Indexed: 07/04/2023] Open
Abstract
Fanconi anemia (FA) is a genetic disorder associated with developmental defects, bone marrow failure and cancer. The FA pathway is crucial for the repair of DNA interstrand crosslinks (ICLs). In this study, we have developed and characterized a new tool to investigate ICL repair: a clickable version of the crosslinking agent melphalan which we name click-melphalan. Our results demonstrate that click-melphalan is as effective as its unmodified counterpart in generating ICLs and associated toxicity. The lesions induced by click-melphalan can be detected in cells by post-labelling with a fluorescent reporter and quantified using flow cytometry. Since click-melphalan induces both ICLs and monoadducts, we generated click-mono-melphalan, which only induces monoadducts, in order to distinguish between the two types of DNA repair. By using both molecules, we show that FANCD2 knock-out cells are deficient in removing click-melphalan-induced lesions. We also found that these cells display a delay in repairing click-mono-melphalan-induced monoadducts. Our data further revealed that the presence of unrepaired ICLs inhibits monoadduct repair. Finally, our study demonstrates that these clickable molecules can differentiate intrinsic DNA repair deficiencies in primary FA patient cells from those in primary xeroderma pigmentosum patient cells. As such, these molecules may have potential for developing diagnostic tests.
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Affiliation(s)
- Sara Berrada
- Aix-Marseille Univ, INSERM, CNRS, Institut Paoli-Calmettes, CRCM, Marseille, France
| | | | - Lise Larcher
- University Paris Cité, Institut de Recherche Saint-Louis, INSERM U944, and CNRS UMR7212, Paris, France
- Laboratoire de biologie médicale de référence (LBMR) “Aplastic anemia”, Service d’Hématologie biologique, Hôpital Saint-Louis, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Violette Azzoni
- Aix-Marseille Univ, INSERM, CNRS, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Nadia Vasquez
- University Paris Cité, Institut de Recherche Saint-Louis, INSERM U944, and CNRS UMR7212, Paris, France
- Laboratoire de biologie médicale de référence (LBMR) “Aplastic anemia”, Service d’Hématologie biologique, Hôpital Saint-Louis, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Mélanie Da Costa
- University Paris Cité, Institut de Recherche Saint-Louis, INSERM U944, and CNRS UMR7212, Paris, France
- Laboratoire de biologie médicale de référence (LBMR) “Aplastic anemia”, Service d’Hématologie biologique, Hôpital Saint-Louis, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Sébastien Abel
- Aix-Marseille Univ, INSERM, CNRS, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Gilles Audoly
- Aix-Marseille Univ, INSERM, CNRS, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Lara Lee
- Aix-Marseille Univ, INSERM, CNRS, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Camille Montersino
- Aix-Marseille Univ, INSERM, CNRS, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Rémy Castellano
- Aix-Marseille Univ, INSERM, CNRS, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Sébastien Combes
- Aix-Marseille Univ, INSERM, CNRS, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Camille Gelot
- Inserm U830, PSL Research University, Institut Curie, Paris, France
| | - Raphaël Ceccaldi
- Inserm U830, PSL Research University, Institut Curie, Paris, France
| | | | - Jean Soulier
- University Paris Cité, Institut de Recherche Saint-Louis, INSERM U944, and CNRS UMR7212, Paris, France
- Laboratoire de biologie médicale de référence (LBMR) “Aplastic anemia”, Service d’Hématologie biologique, Hôpital Saint-Louis, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Christophe Lachaud
- Aix-Marseille Univ, INSERM, CNRS, Institut Paoli-Calmettes, CRCM, Marseille, France
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Housh K, Gates KS. Synthesis of DNA Duplexes Containing Site-Specific Interstrand Cross-Links via Sequential Reductive Amination Reactions Involving Diamine Linkers and Abasic Sites on Complementary Oligodeoxynucleotides. Chem Res Toxicol 2021; 34:2384-2391. [PMID: 34694787 PMCID: PMC8650211 DOI: 10.1021/acs.chemrestox.1c00293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Interstrand DNA cross-links are important in biology, medicinal chemistry, and materials science. Accordingly, methods for the targeted installation of interstrand cross-links in DNA duplexes may be useful in diverse fields. Here, a simple procedure is reported for the preparation of DNA duplexes containing site-specific, chemically defined interstrand cross-links. The approach involves sequential reductive amination reactions between diamine linkers and two abasic (apurinic/apyrimidinic, AP) sites on complementary oligodeoxynucleotides. Use of the symmetrical triamine, tris(2-aminoethyl)amine, in this reaction sequence enabled the preparation of a cross-linked DNA duplex bearing a derivatizable aminoethyl group.
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Affiliation(s)
- Kurt Housh
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Kent S. Gates
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
- University of Missouri, Department of Biochemistry, 125 Chemistry Building, Columbia, MO 65211, United States
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3
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Buhimschi AD, Gooden DM, Jing H, Fels DR, Hansen KS, Beyer WF, Dewhirst MW, Walder H, Gasparro FP. Psoralen Derivatives with Enhanced Potency. Photochem Photobiol 2020; 96:1014-1031. [PMID: 32221980 DOI: 10.1111/php.13263] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 02/28/2020] [Indexed: 12/22/2022]
Abstract
Psoralen is a furocoumarin natural product that intercalates within DNA and forms covalent adducts when activated by ultraviolet radiation. It is well known that this property contributes to psoralen's clinical efficacy in several disease contexts, which include vitiligo, psoriasis, graft-versus-host disease and cutaneous T-cell lymphoma. Given the therapeutic relevance of psoralen and its derivatives, we attempted to synthesize psoralens with even greater potency. In this study, we report a library of 73 novel psoralens, the largest collection of its kind. When screened for the ability to reduce cell proliferation, we identified two derivatives even more cytotoxic than 4'-aminomethyl-4,5',8-trimethylpsoralen (AMT), one of the most potent psoralens identified to date. Using MALDI-TOF MS, we studied the DNA adduct formation for a subset of novel psoralens and found that in most cases enhanced DNA binding correlated well with cytotoxicity. Generally, our most potent derivatives contain positively charged substituents, which we believe increase DNA affinity and enhance psoralen intercalation. Thus, we provide a rational approach to guide efforts toward further optimizing psoralens to fully capitalize on this drug class' therapeutic potential. Finally, the structure-activity insights we have gained shed light on several opportunities to study currently underappreciated aspects of psoralen's mechanism.
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Affiliation(s)
- Alexandru D Buhimschi
- Medical Scientist Training Program, Northwestern University Feinberg School of Medicine, Chicago, IL.,Photobiology Laboratory, Hamden Hall Country Day School, Hamden, CT
| | | | - Hongwu Jing
- Department of Obstetrics and Gynecology, University of Illinois College of Medicine, Chicago, IL
| | - Diane R Fels
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC.,Duke Cancer Institute, Duke University Medical Center, Durham, NC
| | - Katherine S Hansen
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC.,Duke Cancer Institute, Duke University Medical Center, Durham, NC
| | | | - Mark W Dewhirst
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC.,Duke Cancer Institute, Duke University Medical Center, Durham, NC
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Thomaz DV, de Oliveira MG, Rodrigues ESB, da Silva VB, dos Santos PA. Physicochemical Investigation of Psoralen Binding to Double Stranded DNA through Electroanalytical and Cheminformatic Approaches. Pharmaceuticals (Basel) 2020; 13:ph13060108. [PMID: 32481669 PMCID: PMC7344847 DOI: 10.3390/ph13060108] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/13/2020] [Accepted: 05/24/2020] [Indexed: 02/05/2023] Open
Abstract
This work showcased the first physicochemical investigation of psoralen (PSO) binding to double stranded DNA (dsDNA) through electroanalytical methods. Results evidenced that PSO presents one non-reversible anodic peak at electric potential (Epa) ≈ 1.42 V, which is associated with its oxidation and the formation of an epoxide derivative. Moreover, PSO analytical signal (i.e., faradaic current) decreases linearly with the addition of dsDNA, while the electric potential associated to PSO oxidation shifts towards more positive values, indicating thence that dsDNA addition hinders PSO oxidation. These findings were corroborated by the chemoinformatic study, which evidenced that PSO intercalated noncovalently at first between base-pairs of the DNA duplex, and then irreversibly formed adducts with both DNA strands, leading up to the formation of a cross-link which bridges the DNA helix, which explains the linear dependence between the faradaic current generated by PSO oxidation and the concentration of DNA in the test-solution, as well as the dependence between Ep and the addition of dsDNA solution. Therefore, the findings herein reported evidence of the applicability of electroanalytical approaches, such as voltammetry in the study of DNA intercalating agents.
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Affiliation(s)
- Douglas Vieira Thomaz
- Faculty of Pharmacy, Federal University of Goias, Goiania-GO 74605-170, Brazil; (M.G.d.O.); (E.S.B.R.)
- Correspondence: (D.V.T.); (P.A.d.S.)
| | | | | | | | - Pierre Alexandre dos Santos
- Faculty of Pharmacy, Federal University of Goias, Goiania-GO 74605-170, Brazil; (M.G.d.O.); (E.S.B.R.)
- Correspondence: (D.V.T.); (P.A.d.S.)
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Andreev V, Hristova R, Asparuhova M, Danovski G, Stoynov S, Gospodinov A. Mammalian INO80 chromatin remodeler cooperates with FANCM to mediate DNA interstrand crosslink-induced checkpoint activation and repair. DNA Repair (Amst) 2019; 74:38-50. [DOI: 10.1016/j.dnarep.2018.12.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 11/30/2018] [Accepted: 12/27/2018] [Indexed: 11/30/2022]
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Affiliation(s)
- Yang Yu
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92521-0403, United States
| | - Pengcheng Wang
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92521-0403, United States
- Department of Chemistry, University of California, Riverside, California 92521-0403, United States
| | - Yuxiang Cui
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92521-0403, United States
| | - Yinsheng Wang
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92521-0403, United States
- Department of Chemistry, University of California, Riverside, California 92521-0403, United States
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Fujii N. Potential Strategies to Target Protein-Protein Interactions in the DNA Damage Response and Repair Pathways. J Med Chem 2017; 60:9932-9959. [PMID: 28654754 DOI: 10.1021/acs.jmedchem.7b00358] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This review article discusses some insights about generating novel mechanistic inhibitors of the DNA damage response and repair (DDR) pathways by focusing on protein-protein interactions (PPIs) of the key DDR components. General requirements for PPI strategies, such as selecting the target PPI site on the basis of its functionality, are discussed first. Next, on the basis of functional rationale and biochemical feasibility to identify a PPI inhibitor, 26 PPIs in DDR pathways (BER, MMR, NER, NHEJ, HR, TLS, and ICL repair) are specifically discussed for inhibitor discovery to benefit cancer therapies using a DNA-damaging agent.
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Affiliation(s)
- Naoaki Fujii
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital , 262 Danny Thomas Place, MS1000, Memphis, Tennessee 38105, United States
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Nakamura S, Kawabata H, Fujimoto K. Sequence-Specific DNA Photosplitting of Crosslinked DNAs Containing the 3-Cyanovinylcarbazole Nucleoside by Using DNA Strand Displacement. Chembiochem 2016; 17:1499-503. [PMID: 27357523 DOI: 10.1002/cbic.201600236] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Indexed: 12/30/2022]
Abstract
An oligodeoxynucleotide (ODN) containing the ultrafast reversible 3-cyanovinylcarbazole ((CNV) K) photo-crosslinker was photo-crosslinked to a complementary strand upon exposure to 366 nm irradiation and photosplit by use of 312 nm irradiation. In this paper we report that the photoreaction of (CNV) K on irradiation at 366 nm involves a photostationary state and that its reaction can be controlled by temperature. Guided by this new insight, we proposed and have now demonstrated previously unknown photosplitting of (CNV) K aided by DNA strand displacement as an alternative to heating. The photo-crosslinked double-stranded DNA (dsDNA) underwent >80 % photosplitting aided by DNA strand displacement on irradiation at 366 nm without heating. In this photosplitting based on DNA strand displacement, the relative thermal stability of the invader strand with respect to the template strands plays an important role, and an invader strand/template strand system that is more stable than the passenger strand/template strand system induces photosplitting without heating. This new strand-displacement-aided photosplitting occurred in a sequence-specific manner through irradiation at 366 nm in the presence of an invader strand.
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Affiliation(s)
- Shigetaka Nakamura
- School of Materials Science, Japan Advanced Institute Science and Technology, 1-1 Asahi-dai, Nomi, Ishikawa, Japan
| | - Hayato Kawabata
- School of Materials Science, Japan Advanced Institute Science and Technology, 1-1 Asahi-dai, Nomi, Ishikawa, Japan
| | - Kenzo Fujimoto
- School of Materials Science, Japan Advanced Institute Science and Technology, 1-1 Asahi-dai, Nomi, Ishikawa, Japan.
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9
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Comet assay: an essential tool in toxicological research. Arch Toxicol 2016; 90:2315-36. [DOI: 10.1007/s00204-016-1767-y] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 06/14/2016] [Indexed: 01/02/2023]
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