1
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Muratov K, Zaripov E, Berezovski MV, Gagosz F. DFT-Enabled Development of Hemilabile (P ∧N) Ligands for Gold(I/III) RedOx Catalysis: Application to the Thiotosylation of Aryl Iodides. J Am Chem Soc 2024; 146:3660-3674. [PMID: 38315643 DOI: 10.1021/jacs.3c08943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Ligand-enabled oxidative addition of Csp2-X bonds to Au(I) centers has recently appeared as a valuable strategy for the development of catalytic RedOx processes. Several cross-coupling reactions that were previously considered difficult to achieve were reported lately, thus expanding the synthetic potential of gold(I) complexes beyond the traditional nucleophilic functionalization of π-systems. MeDalPhos has played an important role in this development and, despite several studies on alternative structures, remains, so far, the only general ligand for such process. We report herein the discovery and DFT-enabled structural optimization of a new family of hemilabile (P∧N) ligands that can promote the oxidative addition of aryl iodides to gold(I). These flexible ligands, which possess a common 2-methylamino heteroaromatic N-donor motif, are structurally and electronically tunable, beyond being easily accessible and affordable. The corresponding Au(I) complexes were shown to outperform the reactivity of (MeDalPhos)Au(I) in a series of alkoxy- and amidoarylations of alkenes. Their synthetic potential and comparatively higher reactivity were further highlighted in the thiotosylation of aryl iodides, a challenging unreported C-S cross-coupling reaction that could not be achieved under classical Pd(0/II) catalysis and that allows for general and divergent access to aryl sulfur derivatives.
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Affiliation(s)
- Karim Muratov
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
| | - Emil Zaripov
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
| | - Maxim V Berezovski
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
| | - Fabien Gagosz
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
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2
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Moreno-Alcántar G, Picchetti P, Casini A. Gold Complexes in Anticancer Therapy: From New Design Principles to Particle-Based Delivery Systems. Angew Chem Int Ed Engl 2023; 62:e202218000. [PMID: 36847211 DOI: 10.1002/anie.202218000] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 02/26/2023] [Accepted: 02/27/2023] [Indexed: 02/28/2023]
Abstract
The discovery of the medicinal properties of gold complexes has fuelled the design and synthesis of new anticancer metallodrugs, which have received special attention due to their unique modes of action. Current research in the development of gold compounds with therapeutic properties is predominantly focused on the molecular design of drug leads with superior pharmacological activities, e.g., by introducing targeting features. Moreover, intensive research aims at improving the physicochemical properties of gold compounds, such as chemical stability and solubility in the physiological environment. In this regard, the encapsulation of gold compounds in nanocarriers or their chemical grafting onto targeted delivery vectors could lead to new nanomedicines that eventually reach clinical applications. Herein, we provide an overview of the state-of-the-art progress of gold anticancer compounds, andmore importantly we thoroughly revise the development of nanoparticle-based delivery systems for gold chemotherapeutics.
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Affiliation(s)
- Guillermo Moreno-Alcántar
- Chair of Medicinal and Bioinorganic Chemistry, School of Natural Sciences, Department of Chemistry, Technical University of Munich (TUM), Lichtenbergstr. 4, 85748, Garching b. München, Germany
| | - Pierre Picchetti
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Angela Casini
- Chair of Medicinal and Bioinorganic Chemistry, School of Natural Sciences, Department of Chemistry, Technical University of Munich (TUM), Lichtenbergstr. 4, 85748, Garching b. München, Germany
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3
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Targeting emerging cancer hallmarks by transition metal complexes: Epigenetic reprogramming and epitherapies. Part II. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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4
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de Paiva REF, Peterson EJ, Du Z, Farrell NP. The leaving group in Au(I)-phosphine compounds dictates cytotoxic pathways in CEM leukemia cells and reactivity towards a Cys 2His 2 model zinc finger. Dalton Trans 2021; 49:16319-16328. [PMID: 32432260 DOI: 10.1039/d0dt01136c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gold(i)-phosphine "auranofin-like" compounds have been extensively explored as anticancer agents in the past decade. Although potent cytotoxic agents, the lack of selectivity towards tumorigenic vs. non-tumorigenic cell lines often hinders further application. Here we explore the cytotoxic effects of a series of (R3P)AuL compounds, evaluating both the effect of the basicity and bulkiness of the carrier phosphine (R = Et or Cy), and the leaving group L (Cl-vs. dmap). [Au(dmap)(Et3P)]+ had an IC50 of 0.32 μM against the CEM cell line, with good selectivity in relation to HUVEC. Flow cytometry indicates reduced G1 population and slight accumulation in G2, as opposed to auranofin, which induces a high population of cells with fragmented DNA. Protein expression profile sets [Au(dmap)(Et3P)]+ further apart from auranofin, with proteolytic degradation of caspase-3 and poly(ADP-ribose)-polymerase (PARP), DNA strand-break induced phosphorylation of Chk2 Thr68 and increased p53 ser15 phosphorylation. The cytoxicity and observable biological effects correlate directly with the reactivity trend observed when using the series of gold(i)-phosphine compounds for targeting a model zinc finger, Sp1 ZnF3.
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Affiliation(s)
- Raphael E F de Paiva
- Department of Fundamental Chemistry, Institute of Chemistry, University of Sao Paulo (USP), Sao Paulo, SP 05508-000, Brazil.
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5
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Yusoh NA, Ahmad H, Gill MR. Combining PARP Inhibition with Platinum, Ruthenium or Gold Complexes for Cancer Therapy. ChemMedChem 2020; 15:2121-2135. [PMID: 32812709 PMCID: PMC7754470 DOI: 10.1002/cmdc.202000391] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Indexed: 12/24/2022]
Abstract
Platinum drugs are heavily used first-line chemotherapeutic agents for many solid tumours and have stimulated substantial interest in the biological activity of DNA-binding metal complexes. These complexes generate DNA lesions which trigger the activation of DNA damage response (DDR) pathways that are essential to maintain genomic integrity. Cancer cells exploit this intrinsic DNA repair network to counteract many types of chemotherapies. Now, advances in the molecular biology of cancer has paved the way for the combination of DDR inhibitors such as poly (ADP-ribose) polymerase (PARP) inhibitors (PARPi) and agents that induce high levels of DNA replication stress or single-strand break damage for synergistic cancer cell killing. In this review, we summarise early-stage, preclinical and clinical findings exploring platinum and emerging ruthenium anti-cancer complexes alongside PARPi in combination therapy for cancer and also describe emerging work on the ability of ruthenium and gold complexes to directly inhibit PARP activity.
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Affiliation(s)
- Nur Aininie Yusoh
- Department of ChemistryFaculty of ScienceUniversiti Putra Malaysia43400 UPMSerdang, SelangorMalaysia
| | - Haslina Ahmad
- Department of ChemistryFaculty of ScienceUniversiti Putra Malaysia43400 UPMSerdang, SelangorMalaysia
- Integrated Chemical BiophysicsFaculty of ScienceUniversiti Putra Malaysia43400 UPMSerdang, SelangorMalaysia
| | - Martin R. Gill
- Department of ChemistrySwansea UniversitySwanseaWales (UK
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6
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Abbehausen C. Zinc finger domains as therapeutic targets for metal-based compounds - an update. Metallomics 2020; 11:15-28. [PMID: 30303505 DOI: 10.1039/c8mt00262b] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Zinc finger proteins are one of the most abundant families of proteins and present a wide range of structures and functions. The structural zinc ion provides the correct conformation to specifically recognize DNA, RNA and protein sequences. Zinc fingers have essential functions in transcription, protein degradation, DNA repair, cell migration, and others. Recently, reports on the extensive participation of zinc fingers in disease have been published. On the other hand, much information remains to be unravelled as many genomes and proteomes are being reported. A variety of zinc fingers have been identified; however, their functions are still under investigation. Because zinc fingers have identified functions in several diseases, they are being increasingly recognized as drug targets. The replacement of Zn(ii) by another metal ion in zinc fingers is one of the most prominent methods of inhibition. From one side, zinc fingers play roles in the toxicity mechanisms of Ni(ii), Hg(ii), Cd(ii) and others. From the other side, gold, platinum, cobalt, and selenium complexes are amongst the compounds being developed as zinc finger inhibitors for therapy. The main challenge in the design of therapeutic zinc finger inhibitors is to achieve selectivity. Recently, the design of novel compounds and elucidation of the mechanisms of zinc substitution have renewed the possibilities of selective zinc finger inhibition by metal complexes. This review aims to update the status of novel strategies to selectively target zinc finger domains by metal complexes.
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Affiliation(s)
- C Abbehausen
- Institute of Chemistry, University of Campinas - UNICAMP, P.O. Box 6154, CEP 13083-970, Campinas, São Paulo, Brazil.
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7
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Oberkofler J, Aikman B, Bonsignore R, Pöthig A, Platts J, Casini A, Kühn FE. Exploring the Reactivity and Biological Effects of Heteroleptic N‐Heterocyclic Carbene Gold(I)‐Alkynyl Complexes. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.201901043] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jens Oberkofler
- Catalysis Research Center and Department of Chemistry Technical University of Munich Lichtenbergstraße 4 85747 Garching Germany
- School of Chemistry Cardiff University Main Building, Park Place CF10 3AT Cardiff UK
- Department of Chemistry Technical University of Munich Lichtenbergstraße 4 85747 Garching Germany
| | - Brech Aikman
- School of Chemistry Cardiff University Main Building, Park Place CF10 3AT Cardiff UK
| | - Riccardo Bonsignore
- School of Chemistry Cardiff University Main Building, Park Place CF10 3AT Cardiff UK
| | - Alexander Pöthig
- Catalysis Research Center and Department of Chemistry Technical University of Munich Lichtenbergstraße 4 85747 Garching Germany
| | - James Platts
- School of Chemistry Cardiff University Main Building, Park Place CF10 3AT Cardiff UK
| | - Angela Casini
- School of Chemistry Cardiff University Main Building, Park Place CF10 3AT Cardiff UK
- Department of Chemistry Technical University of Munich Lichtenbergstraße 4 85747 Garching Germany
| | - Fritz E. Kühn
- Catalysis Research Center and Department of Chemistry Technical University of Munich Lichtenbergstraße 4 85747 Garching Germany
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8
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Yuan S, Chen S, Wu H, Jiang H, Zheng S, Zhang Q, Liu Y. NAMI-A preferentially reacts with the Sp1 protein: understanding the anti-metastasis effect of the drug. Chem Commun (Camb) 2020; 56:1397-1400. [DOI: 10.1039/c9cc08775c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The anti-metastasis drug NAMI-A selectively reacts with Sp1, a protein associated with cancer metastasis.
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Affiliation(s)
- Siming Yuan
- Shenzhen Key Laboratory for Functional Polymer
- College of Chemistry and Environmental Engineering
- Shenzhen University
- Shenzhen
- China
| | - Siming Chen
- CAS Key Laboratory of Soft Matter Chemistry
- Department of Chemistry
- University of Science and Technology of China
- Hefei
- China
| | - Han Wu
- CAS Key Laboratory of Soft Matter Chemistry
- Department of Chemistry
- University of Science and Technology of China
- Hefei
- China
| | - Huan Jiang
- CAS Key Laboratory of Soft Matter Chemistry
- Department of Chemistry
- University of Science and Technology of China
- Hefei
- China
| | - Shihui Zheng
- CAS Key Laboratory of Soft Matter Chemistry
- Department of Chemistry
- University of Science and Technology of China
- Hefei
- China
| | - Qianling Zhang
- Shenzhen Key Laboratory for Functional Polymer
- College of Chemistry and Environmental Engineering
- Shenzhen University
- Shenzhen
- China
| | - Yangzhong Liu
- CAS Key Laboratory of Soft Matter Chemistry
- Department of Chemistry
- University of Science and Technology of China
- Hefei
- China
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9
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Śmiłowicz D, Slootweg JC, Metzler-Nolte N. Bioconjugation of Cyclometalated Gold(III) Lipoic Acid Fragments to Linear and Cyclic Breast Cancer Targeting Peptides. Mol Pharm 2019; 16:4572-4581. [PMID: 31596097 DOI: 10.1021/acs.molpharmaceut.9b00695] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Cell-targeting peptides (CTPs) are increasingly used in the field of cancer research due to their high affinity and specificity to cell or tissue targets. In the search for novel metal-based drug candidates, our research group is particularly focused on bioconjugates by utilizing peptides to increase the selectivity of cytotoxic organometallic compounds. Motivated by the relatively high cytotoxic activity of gold complexes, such as Auranofin (approved to treat rheumatoid arthritis), for the treatment of various diseases, we anticipated that gold peptide bioconjugates would present interesting candidates for novel breast cancer therapies. For this, we investigate the use of the natural compound lipoic acid (Lpa) as a bioconjugation handle to link Au complexes in the oxidation state +III to peptides using the dithiol moiety. Using this strategy, we have synthesized Au(III) complex bioconjugates linked to the linear LTVSPWY peptide and two cyclic DfKRG and KTTHWGFTLG tumor-targeting peptides. Solid-phase peptide synthesis (SPPS) was used to prepare the peptides, with lipoic acid introduced N-terminally as a conjugation handle. After peptide cleavage, the metal complex was introduced in solution by first reducing the internal disulfide bond, followed by reaction with Au(ppy)Cl2 (1, ppy: 2-phenyl-pyridine), to yield the Au(III)-Lpa-peptide bioconjugates. The new bioconjugates were successfully synthesized, purified by semi-preparative HPLC, and characterized by ESI-MS. Au(III)-peptide bioconjugates were tested as cytotoxic agents against two different human breast cancer cell lines (MCF-7 and MDA-MB-231) and normal human fibroblasts cells (GM5657T) and compared to cisplatin, the parent Au(III) dichloride complex, and metal-free peptides. These in vitro data show that the Au(III)-peptide bioconjugate 5, possessing the cyclic integrin-targeting RGD-derived peptide sequence in the structure, exhibits improved activity compared to the parent gold(III) compound Au(ppy)Cl2 (1) as well as to cisplatin or the metal-free peptide. Moreover, the excellent targeting properties of 5 are supported by the fact that a Au(III)-peptide conjugate with the exact same peptide sequence, but a linear rather than the cyclic form of 5 exhibits 10 times lower cytotoxic activity.
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Affiliation(s)
- Dariusz Śmiłowicz
- Inorganic Chemistry I-Bioinorganic Chemistry , Ruhr-University Bochum , Universitätsstraße 150 , Bochum 44801 , Germany
| | - Jack C Slootweg
- Inorganic Chemistry I-Bioinorganic Chemistry , Ruhr-University Bochum , Universitätsstraße 150 , Bochum 44801 , Germany
| | - Nils Metzler-Nolte
- Inorganic Chemistry I-Bioinorganic Chemistry , Ruhr-University Bochum , Universitätsstraße 150 , Bochum 44801 , Germany
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10
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Wenzel MN, Bonsignore R, Thomas SR, Bourissou D, Barone G, Casini A. Cyclometalated Au III Complexes for Cysteine Arylation in Zinc Finger Protein Domains: towards Controlled Reductive Elimination. Chemistry 2019; 25:7628-7634. [PMID: 30990916 PMCID: PMC6594228 DOI: 10.1002/chem.201901535] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Indexed: 12/14/2022]
Abstract
With the aim of exploiting the use of organometallic species for the efficient modification of proteins through C-atom transfer, the gold-mediated cysteine arylation through a reductive elimination process occurring from the reaction of cyclometalated AuIII C^N complexes with a zinc finger peptide (Cys2 His2 type) is here reported. Among the four selected AuIII cyclometalated compounds, the [Au(CCO N)Cl2 ] complex featuring the 2-benzoylpyridine (CCO N) scaffold was identified as the most prone to reductive elimination and Cys arylation in buffered aqueous solution (pH 7.4) at 37 °C by high-resolution LC electrospray ionization mass spectrometry. DFT and quantum mechanics/molecular mechanics (QM/MM) studies permitted to propose a mechanism for the title reaction that is in line with the experimental results. Overall, the results provide new insights into the reactivity of cytotoxic organogold compounds with biologically important zinc finger domains and identify initial structure-activity relationships to enable AuIII -catalyzed reductive elimination in aqueous media.
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Affiliation(s)
- Margot N. Wenzel
- School of ChemistryCardiff UniversityMain Building, Park PlaceCF10 3ATCardiffUK
| | - Riccardo Bonsignore
- School of ChemistryCardiff UniversityMain Building, Park PlaceCF10 3ATCardiffUK
| | - Sophie R. Thomas
- School of ChemistryCardiff UniversityMain Building, Park PlaceCF10 3ATCardiffUK
| | - Didier Bourissou
- CNRS/Université Paul SabatierLaboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069)118 Route de Narbonne31062Toulouse Cedex 09France
| | - Giampaolo Barone
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e FarmaceuticheUniversità di PalermoViale delle Scienze, Edificio 1790128PalermoItaly
| | - Angela Casini
- School of ChemistryCardiff UniversityMain Building, Park PlaceCF10 3ATCardiffUK
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11
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Han Y, Guo W, Zheng W, Luo Q, Wu K, Zhao Y, Wang F. Mass spectrometric quantification of the binding ratio of metal-based anticancer complexes with protein thiols. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2019; 33:951-958. [PMID: 30812058 DOI: 10.1002/rcm.8423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 02/19/2019] [Accepted: 02/21/2019] [Indexed: 06/09/2023]
Abstract
RATIONALE The binding ratio of metal complexes with cysteinyl thiols in proteins plays an important role in deciphering the mechanisms of action of therapeutic metal complexes, but its analysis is still a significant challenge. In this work, a quantitative mass spectrometry method is developed to determine the binding ratio of metal-based anticancer complexes with cysteines in human copper chaperone protein Atox1. METHODS A novel strategy based on a thiol-specific stable isotopic labelling reagent was developed to determine the binding ratio of metal-based anticancer complexes, namely cisplatin and organometallic ruthenium complex [(η6 -biphenyl)RuCl(en)]PF6 (en = ethylenediamine), with the cysteinyl residues of Atox1. RESULTS Both cisplatin and the ruthenium complex were reactive not only to Cys15 and/or Cys18, the copper(I) binding site of Atox1, but also to Cys44. The binding ratios of the ruthenium complex with the cysteinyl residues were much higher than those of cisplatin. However, the addition of copper(I) could markedly increase the binding ratios of cysteinyl residues of Atox1 with cisplatin, but not with the ruthenium complex. CONCLUSIONS This strategy can not only precisely determine the binding ratios of metal complexes to protein thiols, but also be helpful in distinguishing thiol-binding sites from other binding sites of metal complexes in proteins. We expect wide application of this method to the research of covalent/coordinative interactions between metal complexes and protein thiols.
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Affiliation(s)
- Yumiao Han
- Beijing National Laboratory for Molecular Sciences; National Centre for Mass Spectrometry in Beijing; CAS Research/Education Centre for Excellence in Molecular Sciences; CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei Guo
- Beijing National Laboratory for Molecular Sciences; National Centre for Mass Spectrometry in Beijing; CAS Research/Education Centre for Excellence in Molecular Sciences; CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei Zheng
- Beijing National Laboratory for Molecular Sciences; National Centre for Mass Spectrometry in Beijing; CAS Research/Education Centre for Excellence in Molecular Sciences; CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Qun Luo
- Beijing National Laboratory for Molecular Sciences; National Centre for Mass Spectrometry in Beijing; CAS Research/Education Centre for Excellence in Molecular Sciences; CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Kui Wu
- Beijing National Laboratory for Molecular Sciences; National Centre for Mass Spectrometry in Beijing; CAS Research/Education Centre for Excellence in Molecular Sciences; CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yao Zhao
- Beijing National Laboratory for Molecular Sciences; National Centre for Mass Spectrometry in Beijing; CAS Research/Education Centre for Excellence in Molecular Sciences; CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Fuyi Wang
- Beijing National Laboratory for Molecular Sciences; National Centre for Mass Spectrometry in Beijing; CAS Research/Education Centre for Excellence in Molecular Sciences; CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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12
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de Paiva REF, Du Z, Nakahata DH, Lima FA, Corbi PP, Farrell NP. Gold‐Catalyzed C–S Aryl‐Group Transfer in Zinc Finger Proteins. Angew Chem Int Ed Engl 2018; 57:9305-9309. [DOI: 10.1002/anie.201803082] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 05/02/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Raphael E. F. de Paiva
- Department of Chemistry Virginia Commonwealth University 1001 W. Main Street Richmond VA 23284-2006 USA
- Institute of Chemistry University of Campinas—UNICAMP P.O. Box 6154, CEP 13083-970 Campinas, São Paulo Brazil
| | - Zhifeng Du
- Department of Chemistry Virginia Commonwealth University 1001 W. Main Street Richmond VA 23284-2006 USA
| | - Douglas H. Nakahata
- Institute of Chemistry University of Campinas—UNICAMP P.O. Box 6154, CEP 13083-970 Campinas, São Paulo Brazil
| | - Frederico A. Lima
- Centro Nacional de Pesquisa em Energia e Materiais Brazilian Synchrotron Light Laboratory—LNLS, 13084-971 Campinas SP Brazil
- European XFEL GmbH Holzkoppel 4 22869 Schenefeld Germany
| | - Pedro P. Corbi
- Institute of Chemistry University of Campinas—UNICAMP P.O. Box 6154, CEP 13083-970 Campinas, São Paulo Brazil
| | - Nicholas P. Farrell
- Department of Chemistry Virginia Commonwealth University 1001 W. Main Street Richmond VA 23284-2006 USA
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13
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de Paiva REF, Du Z, Nakahata DH, Lima FA, Corbi PP, Farrell NP. Gold‐Catalyzed C–S Aryl‐Group Transfer in Zinc Finger Proteins. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201803082] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Raphael E. F. de Paiva
- Department of Chemistry Virginia Commonwealth University 1001 W. Main Street Richmond VA 23284-2006 USA
- Institute of Chemistry University of Campinas—UNICAMP P.O. Box 6154, CEP 13083-970 Campinas, São Paulo Brazil
| | - Zhifeng Du
- Department of Chemistry Virginia Commonwealth University 1001 W. Main Street Richmond VA 23284-2006 USA
| | - Douglas H. Nakahata
- Institute of Chemistry University of Campinas—UNICAMP P.O. Box 6154, CEP 13083-970 Campinas, São Paulo Brazil
| | - Frederico A. Lima
- Centro Nacional de Pesquisa em Energia e Materiais Brazilian Synchrotron Light Laboratory—LNLS, 13084-971 Campinas SP Brazil
- European XFEL GmbH Holzkoppel 4 22869 Schenefeld Germany
| | - Pedro P. Corbi
- Institute of Chemistry University of Campinas—UNICAMP P.O. Box 6154, CEP 13083-970 Campinas, São Paulo Brazil
| | - Nicholas P. Farrell
- Department of Chemistry Virginia Commonwealth University 1001 W. Main Street Richmond VA 23284-2006 USA
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14
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Bertrand B, Williams MRM, Bochmann M. Gold(III) Complexes for Antitumor Applications: An Overview. Chemistry 2018; 24:11840-11851. [DOI: 10.1002/chem.201800981] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 03/22/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Benoît Bertrand
- School of ChemistryUniversity of East Anglia Norwich NR4 7TJ United Kingdom
- Sorbonne UniversitésUPMC Univ Paris 06CNRSInstitut Parisien de Chimie Moléculaire (IPCM) 4 Place Jussieu 75005 Paris France
| | | | - Manfred Bochmann
- School of ChemistryUniversity of East Anglia Norwich NR4 7TJ United Kingdom
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15
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Boscutti G, Nardon C, Marchiò L, Crisma M, Biondi B, Dalzoppo D, Dalla Via L, Formaggio F, Casini A, Fregona D. Anticancer Gold(III) Peptidomimetics: From Synthesis to in vitro and ex vivo Biological Evaluations. ChemMedChem 2018; 13:1131-1145. [PMID: 29570944 DOI: 10.1002/cmdc.201800098] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 03/14/2018] [Indexed: 12/25/2022]
Abstract
Five new AuIII -peptidodithiocarbamato complexes of the type [AuIII Br2 (dtc-AA1 -AA2 -OR] (in which AA1 =N-methylglycine (Sar), l/d-Pro; AA2 =l/d-Ala, α-aminoisobutyric acid (Aib); R=OtBu, triethylene glycol methyl ether), differing with regard to the amino acid sequence and/or the chiral amino acid configuration, were designed to enhance tumor selectivity and bioavailability. The gold(III)-based moiety was functionalized to exploit the targeting properties of the peptidomimetic ligand toward two peptide transporters (namely PEPT1 and PEPT2), which are upregulated in several tumor cells. The compounds were synthesized and fully characterized, mainly by means of elemental analysis, one- and two-dimensional NMR spectroscopy, FT-IR, and UV/Vis spectrophotometry. The crystal structures of three compounds were also solved by X-ray diffraction. In vitro cytotoxicity studies using a panel of human tumor cell lines (A549 [non-small-cell lung carcinoma], MCF-7 [breast cancer], A2780 [ovarian carcinoma], H1975 [non-small-cell lung carcinoma], H460 [large-cell lung carcinoma], and A431 [human epidermoid carcinoma]) showed the dtc-Pro-Aib-OtBu derivative to be very effective, with GI50 values much lower than those of cisplatin. This complex was thus selected for evaluating stability under physiological conditions and possible interactions with serum albumin, as well in PARP-1 enzyme inhibition assays and preliminary ex vivo toxicity experiments on healthy rat tissues.
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Affiliation(s)
- Giulia Boscutti
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131, Padova, Italy
| | - Chiara Nardon
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131, Padova, Italy
| | - Luciano Marchiò
- SCVSA Department, University of Parma, Parco Area delle Scienze 17/A, 43121, Parma, Italy
| | - Marco Crisma
- Institute of Biomolecular Chemistry, Padova Unit, CNR, via Marzolo 1, 35131, Padova, Italy
| | - Barbara Biondi
- Institute of Biomolecular Chemistry, Padova Unit, CNR, via Marzolo 1, 35131, Padova, Italy
| | - Daniele Dalzoppo
- Department of Pharmaceutical Sciences, University of Padova, via Marzolo 5, 35131, Padova, Italy
| | - Lisa Dalla Via
- Department of Pharmaceutical Sciences, University of Padova, via Marzolo 5, 35131, Padova, Italy
| | - Fernando Formaggio
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131, Padova, Italy.,Institute of Biomolecular Chemistry, Padova Unit, CNR, via Marzolo 1, 35131, Padova, Italy
| | - Angela Casini
- School of Chemistry, Cardiff University, Main Building, Park Place, CF10 3AT, Cardiff, UK.,Groningen Research Institute of Pharmacy, University of Groningen, A. Deusinglaan 1, 9713 GV, Groningen, The Netherlands
| | - Dolores Fregona
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131, Padova, Italy
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16
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Linear gold(I) complex with tris-(2-carboxyethyl)phosphine (TCEP): Selective antitumor activity and inertness toward sulfur proteins. J Inorg Biochem 2018; 186:104-115. [PMID: 29885553 DOI: 10.1016/j.jinorgbio.2018.04.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 03/02/2018] [Accepted: 04/02/2018] [Indexed: 12/18/2022]
Abstract
The search for modulating ligand substitution reaction in gold complexes is essential to find new active metallo compounds for medical applications. In this work, a new linear and hydrosoluble goldI complex with tris-(2-carboxyethylphosphine) (AuTCEP). The two phosphines coordinate linearly to the metal as solved by single crystal X-ray diffraction. Complete spectroscopic characterization is also reported. In vitro growth inhibition (GI50) in a panel of nine tumorigenic and one non-tumorigenic cell lines demonstrated the complex is highly selective to ovarium adenocarcinoma (OVCAR-03) with GI50 of 3.04 nmol mL-1. Moreover, non-differential uptake of AuTCEP was observed between OVCAR-03 (tumor) and HaCaT (non-tumor) two cell lines. Biophysical evaluation with the sulfur-rich biomolecules showed the compound does not interact with two types of zinc fingers, bovine serum albumin, N-acetyl-l-cysteine and also l-histidine, revealing to be inert to ligand substitution reactions with these molecules. However, AuTCEP demonstrated to cleave plasmidial DNA, suggesting DNA as a possible target. No antibacterial activity was observed in the strains evaluated. Besides, it inhibits 15% of the activity of a mixture of serine-β-lactamase and metallo-β-lactamase from Bacillus cereus in the enzymatic activity assay, similarly to EDTA. These results suggest AuTCEP is selective to metallo-β-lactamase but the cell uptake is hindered, and the compound does not reach the periplasmic space of Gram-positive bacteria. The unique inert behavior of AuTCEP is interesting and represent the modulation of the reactivity through coordination chemistry to decrease the toxicity associated with AuI complexes and its lack of specificity, generating very selective compounds with unexpected targets.
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17
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Wenzel MN, Meier-Menches SM, Williams TL, Rämisch E, Barone G, Casini A. Selective targeting of PARP-1 zinc finger recognition domains with Au(iii) organometallics. Chem Commun (Camb) 2018; 54:611-614. [DOI: 10.1039/c7cc08406d] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Insights into gold finger formation by organometallics and implications for targeting pharmacologically relevant zinc-finger proteins.
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Affiliation(s)
| | | | | | - Eberard Rämisch
- Heraeus Deutschland GmbH & Co. KG
- GBU
- Heraeus Chemicals
- Germany
| | - Giampaolo Barone
- Dipartimento di Scienze e Tecnologie Biologiche
- Chimiche e Farmaceutiche
- Università di Palermo
- Viale delle Scienze
- Italy
| | - Angela Casini
- School of Chemistry
- Cardiff University
- Main Building
- Park Place
- UK
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18
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Srinivasa Reddy T, Privér SH, Rao VV, Mirzadeh N, Bhargava SK. Gold(i) and gold(iii) phosphine complexes: synthesis, anticancer activities towards 2D and 3D cancer models, and apoptosis inducing properties. Dalton Trans 2018; 47:15312-15323. [DOI: 10.1039/c8dt01724g] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Herein we report the synthesis of gold(i) and gold(iii) complexes of tris(4-methoxyphenyl)phosphine and tris(2,6-dimethoxyphenyl)phosphine and their anticancer activity towards 2D and 3D cancer models.
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Affiliation(s)
- T. Srinivasa Reddy
- Centre for Advanced Materials & Industrial Chemistry (CAMIC)
- School of Science
- RMIT University
- Melbourne 3001
- Australia
| | - Steven H. Privér
- Centre for Advanced Materials & Industrial Chemistry (CAMIC)
- School of Science
- RMIT University
- Melbourne 3001
- Australia
| | - Vijay V. Rao
- Centre for Advanced Materials & Industrial Chemistry (CAMIC)
- School of Science
- RMIT University
- Melbourne 3001
- Australia
| | - Nedaossadat Mirzadeh
- Centre for Advanced Materials & Industrial Chemistry (CAMIC)
- School of Science
- RMIT University
- Melbourne 3001
- Australia
| | - Suresh K. Bhargava
- Centre for Advanced Materials & Industrial Chemistry (CAMIC)
- School of Science
- RMIT University
- Melbourne 3001
- Australia
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19
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Abbehausen C, de Paiva REF, Bjornsson R, Gomes SQ, Du Z, Corbi PP, Lima FA, Farrell N. X-ray Absorption Spectroscopy Combined with Time-Dependent Density Functional Theory Elucidates Differential Substitution Pathways of Au(I) and Au(III) with Zinc Fingers. Inorg Chem 2017; 57:218-230. [DOI: 10.1021/acs.inorgchem.7b02406] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Camilla Abbehausen
- Institute of Chemistry, University of Campinas—UNICAMP, P.O. Box 6154, CEP, 13083-970 Campinas, São Paulo, Brazil
| | | | - Ragnar Bjornsson
- Science Institute, University of Iceland, Dunhagi 3,
IS-107 Reykjavik, Iceland
| | - Saulo Quintana Gomes
- Institute of Chemistry, University of Campinas—UNICAMP, P.O. Box 6154, CEP, 13083-970 Campinas, São Paulo, Brazil
| | - Zhifeng Du
- Department of Chemistry, Virginia Commonwealth University, 1001 W. Main Street, Richmond, Virginia 23284-2006, United States
| | - Pedro Paulo Corbi
- Institute of Chemistry, University of Campinas—UNICAMP, P.O. Box 6154, CEP, 13083-970 Campinas, São Paulo, Brazil
| | - Frederico Alves Lima
- Centro Nacional de Pesquisa em Energia
e Materiais, Brazilian Synchrotron Light Laboratory—LNLS, CP 6192, 13084-971 Campinas, São Paulo, Brazil
| | - Nicholas Farrell
- Department of Chemistry, Virginia Commonwealth University, 1001 W. Main Street, Richmond, Virginia 23284-2006, United States
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20
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Mass spectrometry as a powerful tool to study therapeutic metallodrugs speciation mechanisms: Current frontiers and perspectives. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.02.012] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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21
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Li G, Yuan S, Zheng S, Chen Y, Zheng Z, Liu Y, Huang G. The Effect of Salts in Promoting Specific and Competitive Interactions between Zinc Finger Proteins and Metals. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2017; 28:2658-2664. [PMID: 28887698 DOI: 10.1007/s13361-017-1789-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2017] [Revised: 08/01/2017] [Accepted: 08/15/2017] [Indexed: 06/07/2023]
Abstract
Specific protein-metal interactions (PMIs) fulfill essential functions in cells and organic bodies, and activation of these functions in vivo are mostly modulated by the complex environmental factors, including pH value, small biomolecules, and salts. Specifically, the role of salts in promoting specific PMIs and their competition among various metals has remained untapped mainly due to the difficulty to distinguish nonspecific PMIs from specific PMIs by classic spectroscopic techniques. Herein, we report Hofmeister salts differentially promote the specific PMIs by combining nanoelectrospray ionization mass spectrometry and spectroscopic techniques (fluorescence measurement and circular dichroism). Furthermore, to explore the influence of salts in competitive binding between metalloproteins and various metals, we designed a series of competitive experiments and applied to a well-defined model system, the competitive binding of zinc (II) and arsenic (III) to holo-promyelocytic leukemia protein (PML). These experiments not only provided new insights at the molecular scale as complementary to previous NMR and spectroscopic results, but also deduced the relative binding ability between zinc finger proteins and metals at the molecular scale, which avoids the mass spectrometric titration-based determination of binding constants that is frequently affected and often degraded by variable solution conditions including salt contents. Graphical Abstract ᅟ.
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Affiliation(s)
- Gongyu Li
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, People's Republic of China
| | - Siming Yuan
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, People's Republic of China
| | - Shihui Zheng
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, People's Republic of China
| | - Yuting Chen
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, People's Republic of China
| | - Zhen Zheng
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, People's Republic of China
| | - Yangzhong Liu
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, People's Republic of China.
| | - Guangming Huang
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, People's Republic of China.
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22
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Luengo A, Fernández-Moreira V, Marzo I, Gimeno MC. Trackable Metallodrugs Combining Luminescent Re(I) and Bioactive Au(I) Fragments. Inorg Chem 2017; 56:15159-15170. [DOI: 10.1021/acs.inorgchem.7b02470] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Andrés Luengo
- Departamento de
Química Inorgánica, Instituto de Síntesis Química
y Catálisis Homogénea, CSIC-Universidad de Zaragoza, Pedro Cerbuna
12, 50009 Zaragoza, Spain
| | - Vanesa Fernández-Moreira
- Departamento de
Química Inorgánica, Instituto de Síntesis Química
y Catálisis Homogénea, CSIC-Universidad de Zaragoza, Pedro Cerbuna
12, 50009 Zaragoza, Spain
| | - Isabel Marzo
- Departamento de Bioquímica y Biología
Molecular, Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - M. Concepción Gimeno
- Departamento de
Química Inorgánica, Instituto de Síntesis Química
y Catálisis Homogénea, CSIC-Universidad de Zaragoza, Pedro Cerbuna
12, 50009 Zaragoza, Spain
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23
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de Paiva REF, Du Z, Peterson EJ, Corbi PP, Farrell NP. Probing the HIV-1 NCp7 Nucleocapsid Protein with Site-Specific Gold(I)–Phosphine Complexes. Inorg Chem 2017; 56:12308-12318. [DOI: 10.1021/acs.inorgchem.7b01762] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Raphael E. F. de Paiva
- Institute of Chemistry, University of Campinas − UNICAMP, P.O. Box 6154, 13083-970 Campinas-SP, Brazil
- Department of Chemistry, Virginia Commonwealth University, 1001 West Main Street, Richmond, Virginia 23284-2006, United States
| | - Zhifeng Du
- Institute of Chemistry, University of Campinas − UNICAMP, P.O. Box 6154, 13083-970 Campinas-SP, Brazil
| | - Erica J. Peterson
- Institute of Chemistry, University of Campinas − UNICAMP, P.O. Box 6154, 13083-970 Campinas-SP, Brazil
| | - Pedro P. Corbi
- Department of Chemistry, Virginia Commonwealth University, 1001 West Main Street, Richmond, Virginia 23284-2006, United States
| | - Nicholas P. Farrell
- Institute of Chemistry, University of Campinas − UNICAMP, P.O. Box 6154, 13083-970 Campinas-SP, Brazil
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24
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Shimberg GD, Ok K, Neu HM, Splan KE, Michel SLJ. Cu(I) Disrupts the Structure and Function of the Nonclassical Zinc Finger Protein Tristetraprolin (TTP). Inorg Chem 2017; 56:6838-6848. [PMID: 28557421 DOI: 10.1021/acs.inorgchem.7b00125] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Tristetraprolin (TTP) is a nonclassical zinc finger (ZF) protein that plays a key role in regulating inflammatory response. TTP regulates cytokines at the mRNA level by binding to AU-rich sequences present at the 3'-untranslated region, forming a complex that is then degraded. TTP contains two conserved CCCH domains with the sequence CysX8CysX5CysX3His that are activated to bind RNA when zinc is coordinated. During inflammation, copper levels are elevated, which is associated with increased inflammatory response. A potential target for Cu(I) during inflammation is TTP. To determine whether Cu(I) binds to TTP and how Cu(I) can affect TTP/RNA binding, two TTP constructs were prepared. One construct contained just the first CCCH domain (TTP-1D) and serves as a peptide model for a CCCH domain; the second construct contains both CCCH domains (TTP-2D) and is functional (binds RNA) when Zn(II) is coordinated. Cu(I) binding to TTP-1D was assessed via electronic absorption spectroscopy titrations, and Cu(I) binding to TTP-2D was assessed via both absorption spectroscopy and a spin filter/inductively coupled plasma mass spectrometry (ICP-MS) assay. Cu(I) binds to TTP-1D with a 1:1 stoichiometry and to TTP-2D with a 3:1 stoichiometry. The CD spectrum of Cu(I)-TTP-2D did not exhibit any secondary structure, matching that of apo-TTP-2D, while Zn(II)-TTP-2D exhibited a secondary structure. Measurement of RNA binding via fluorescence anisotropy revealed that Cu(I)-TTP-2D does not bind to the TTP-2D RNA target sequence UUUAUUUAUUU with any measurable affinity, while Zn(II)-TTP-2D binds to this site with nanomolar affinity. Similarly, addition of Cu(I) to the Zn(II)-TTP-2D/RNA complex resulted in inhibition of RNA binding. Together, these data indicate that, while Cu(I) binds to TTP-2D, it does not result in a folded or functional protein and that Cu(I) inhibits Zn(II)-TTP-2D/RNA binding.
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Affiliation(s)
- Geoffrey D Shimberg
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland , Baltimore, Maryland 21201-1180, United States
| | - Kiwon Ok
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland , Baltimore, Maryland 21201-1180, United States
| | - Heather M Neu
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland , Baltimore, Maryland 21201-1180, United States
| | - Kathryn E Splan
- Department of Chemistry, Macalester College , 1600 Grand Avenue, Saint Paul, Minnesota 55105, United States
| | - Sarah L J Michel
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland , Baltimore, Maryland 21201-1180, United States
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25
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Diversity in Gold Finger Structure Elucidated by Traveling‐Wave Ion Mobility Mass Spectrometry. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201612494] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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26
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Du Z, de Paiva REF, Nelson K, Farrell NP. Diversity in Gold Finger Structure Elucidated by Traveling‐Wave Ion Mobility Mass Spectrometry. Angew Chem Int Ed Engl 2017; 56:4464-4467. [DOI: 10.1002/anie.201612494] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 02/13/2017] [Indexed: 01/02/2023]
Affiliation(s)
- Zhifeng Du
- Department of Chemistry Virginia Commonwealth University Richmond VA 23284-2006 USA
| | | | - Kristina Nelson
- Department of Chemistry Virginia Commonwealth University Richmond VA 23284-2006 USA
| | - Nicholas P. Farrell
- Department of Chemistry Virginia Commonwealth University Richmond VA 23284-2006 USA
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27
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Spell SR, Mangrum JB, Peterson EJ, Fabris D, Ptak R, Farrell NP. Au(iii) compounds as HIV nucleocapsid protein (NCp7)-nucleic acid antagonists. Chem Commun (Camb) 2016; 53:91-94. [PMID: 27858001 PMCID: PMC7086404 DOI: 10.1039/c6cc07970a] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The HIV nucleocapsid NCp7-SL2 RNA interaction is interrupted in the presence of a formally substitution-inert gold(dien)-nucleobase/N-heterocycle AuN4 compound where the N-heterocycle serves the dual purposes of a template for "non-covalent" molecular recognition of the essential tryptophan of the protein, mimicking the natural reaction and subsequent "fixation" by Au-Cys bond formation providing a chemotype for a new distinct class of nucleocapsid-nucleic acid antagonist.
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Affiliation(s)
- Sarah R Spell
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA.
| | - John B Mangrum
- The RNA Institute, University at Albany, State University of New York, 1400 Washington Avenue, Albany, NY 12222, USA
| | - Erica J Peterson
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA.
| | - Daniele Fabris
- The RNA Institute, University at Albany, State University of New York, 1400 Washington Avenue, Albany, NY 12222, USA
| | - Roger Ptak
- Southern Research Institute, 431 Aviation Way, Frederick, Maryland 21701, USA
| | - Nicholas P Farrell
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA.
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28
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Yuan S, Ding X, Cui Y, Wei K, Zheng Y, Liu Y. Cisplatin Preferentially Binds to Zinc Finger Proteins Containing C3H1 or C4 Motifs. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201601140] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Siming Yuan
- CAS High Magnetic Field Laboratory; Department of Chemistry; 230026 Hefei Anhui P. R. China
| | - Xin Ding
- CAS High Magnetic Field Laboratory; Department of Chemistry; 230026 Hefei Anhui P. R. China
| | - Yang Cui
- CAS High Magnetic Field Laboratory; Department of Chemistry; 230026 Hefei Anhui P. R. China
| | - Kaiju Wei
- CAS High Magnetic Field Laboratory; Department of Chemistry; 230026 Hefei Anhui P. R. China
| | - Yuchuan Zheng
- Department of Chemistry; Huangshan University; 245041 Huangshan Anhui P. R. China
| | - Yangzhong Liu
- CAS High Magnetic Field Laboratory; Department of Chemistry; 230026 Hefei Anhui P. R. China
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29
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Abbehausen C, Manzano C, Corbi P, Farrell N. Effects of coordination mode of 2-mercaptothiazoline on reactivity of Au(I) compounds with thiols and sulfur-containing proteins. J Inorg Biochem 2016; 165:136-145. [DOI: 10.1016/j.jinorgbio.2016.05.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 04/13/2016] [Accepted: 05/13/2016] [Indexed: 01/01/2023]
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30
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Laitaoja M, Isoniemi S, Valjakka J, Mándity IM, Jänis J. Deciphering metal ion preference and primary coordination sphere robustness of a designed zinc finger with high-resolution mass spectrometry. Protein Sci 2016; 26:198-207. [PMID: 27750369 DOI: 10.1002/pro.3067] [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: 08/26/2016] [Revised: 10/13/2016] [Accepted: 10/13/2016] [Indexed: 11/10/2022]
Abstract
Small zinc finger (ZnF) motifs are promising molecular scaffolds for protein design owing to their structural robustness and versatility. Moreover, their characterization provides important insights into protein folding in general. ZnF motifs usually possess an exceptional specificity and high affinity towards Zn(II) ion to drive folding. While the Zn(II) ion is canonically coordinated by two cysteine and two histidine residues, many other coordination spheres also exist in small ZnFs, all having four amino acid ligands. Here we used high-resolution mass spectrometry to study metal ion binding specificity and primary coordination sphere robustness of a designed zinc finger, named MM1. Based on the results, MM1 possesses high specificity for zinc with sub-micromolar binding affinity. Surprisingly, MM1 retains metal ion binding affinity even in the presence of selective alanine mutations of the primary zinc coordinating amino acid residues.
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Affiliation(s)
- Mikko Laitaoja
- Department of Chemistry, University of Eastern Finland, Joensuu, FI-80101, Finland
| | - Sari Isoniemi
- Department of Chemistry, University of Eastern Finland, Joensuu, FI-80101, Finland
| | - Jarkko Valjakka
- BioMediTech, University of Tampere, Tampere, FI-33520, Finland
| | - István M Mándity
- Institute of Pharmaceutical Chemistry, University of Szeged, Szeged, H-6720, Hungary
| | - Janne Jänis
- Department of Chemistry, University of Eastern Finland, Joensuu, FI-80101, Finland
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31
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Meier SM, Gerner C, Keppler BK, Cinellu MA, Casini A. Mass Spectrometry Uncovers Molecular Reactivities of Coordination and Organometallic Gold(III) Drug Candidates in Competitive Experiments That Correlate with Their Biological Effects. Inorg Chem 2016; 55:4248-59. [PMID: 26866307 DOI: 10.1021/acs.inorgchem.5b03000] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The reactivity of three cytotoxic organometallic gold(III) complexes with cyclometalated C,N,N and C,N ligands (either six- or five-membered metallacycles), as well as that of two representative gold(III) complexes with N-donor ligands, with biological nucleophiles has been studied by ESI-MS on ion trap and time-of-flight instruments. Specifically, the gold compounds were reacted with mixtures of nucleophiles containing l-histidine (imine), l-methionine (thioether), l-cysteine (thiol), l-glutamic acid (carboxylic acid), methylseleno-l-cysteine (selenoether), and in situ generated seleno-l-cysteine (selenol) to judge the preference of the gold compounds for binding to selenium-containing amino acid residues. Moreover, the gold compounds' reactivity was studied with proteins and nucleic acid building blocks. These experiments revealed profound differences between the coordination and organometallic families and even within the family of organometallics, which allowed insights to be gained into the compounds mechanisms of action. In particular, interactions with seleno-l-cysteine appear to reflect well the compounds' inhibition properties of the seleno-enzyme thioredoxin reductase and to a certain extent their antiproliferative effects in vitro. Therefore, mass spectrometry is successfully applied for linking the molecular reactivity and target preferences of metal-based drug candidates to their biological effects. Finally, this experimental setup is applicable to any other metallodrug that undergoes ligand substitution reactions and/or redox changes as part of its mechanism of action.
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Affiliation(s)
- Samuel M Meier
- Department of Analytical Chemistry, University of Vienna , Waehringer Str. 38, 1090 Vienna, Austria
| | - Christopher Gerner
- Department of Analytical Chemistry, University of Vienna , Waehringer Str. 38, 1090 Vienna, Austria
| | | | - Maria Agostina Cinellu
- University of Sassari , Dipartimento di Chimica e Farmacia, Via Vienna 2, Sassari I-07100, Italy
| | - Angela Casini
- School of Chemistry, Cardiff University , Main Building, Park Place, CF10 3AT Cardiff, United Kingdom
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32
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Citta A, Scalcon V, Göbel P, Bertrand B, Wenzel M, Folda A, Rigobello MP, Meggers E, Casini A. Toward anticancer gold-based compounds targeting PARP-1: a new case study. RSC Adv 2016. [DOI: 10.1039/c6ra11606j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A new gold(iii) complex bearing a 2-((2,2′-bipyridin)-5-yl)-1H-benzimidazol-4-carboxamide ligand has been synthesized and characterized for its biological properties in vitro.
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Affiliation(s)
- A. Citta
- Department of Biomedical Sciences
- University of Padova
- 35131 Padova
- Italy
| | - V. Scalcon
- Department of Biomedical Sciences
- University of Padova
- 35131 Padova
- Italy
| | - P. Göbel
- Fachbereich Chemie
- Philipps-Universität Marburg
- 35043 Marburg
- Germany
| | - B. Bertrand
- Dept. of Pharmacokinetics
- Toxicology and Targeting
- Research Institute of Pharmacy
- University of Groningen
- 9713 AV Groningen
| | - M. Wenzel
- School of Chemistry
- Cardiff University
- Cardiff CF10 3A
- UK
| | - A. Folda
- Department of Biomedical Sciences
- University of Padova
- 35131 Padova
- Italy
| | - M. P. Rigobello
- Department of Biomedical Sciences
- University of Padova
- 35131 Padova
- Italy
| | - E. Meggers
- Fachbereich Chemie
- Philipps-Universität Marburg
- 35043 Marburg
- Germany
| | - A. Casini
- Dept. of Pharmacokinetics
- Toxicology and Targeting
- Research Institute of Pharmacy
- University of Groningen
- 9713 AV Groningen
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33
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Wong DL, Stillman MJ. Destructive interactions of dirhodium(ii) tetraacetate with β metallothionein rh1a. Chem Commun (Camb) 2016; 52:5698-701. [DOI: 10.1039/c5cc10319c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The four bridging acetates of dirhodium(ii) tetraacetate are removed in a stepwise manner by human-metallothionein 1a β-fragment, a reaction captured by electrospray ionization mass spectrometry.
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Affiliation(s)
- Daisy L. Wong
- Department of Chemistry
- The University of Western Ontario
- London
- Canada
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Jacques A, Lebrun C, Casini A, Kieffer I, Proux O, Latour JM, Sénèque O. Reactivity of Cys4 Zinc Finger Domains with Gold(III) Complexes: Insights into the Formation of “Gold Fingers”. Inorg Chem 2015; 54:4104-13. [DOI: 10.1021/acs.inorgchem.5b00360] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Aurélie Jacques
- Université Grenoble Alpes, LCBM/PMB, F-38000 Grenoble, France
- CNRS, LCBM/PMB, UMR 5249, F-38000 Grenoble, France
- CEA, IRTSV-LCBM, PMB, F-38000 Grenoble, France
| | - Colette Lebrun
- Université Grenoble Alpes, INAC-SCIB, F-38000 Grenoble, France
- CEA, INAC-SCIB, F-38000 Grenoble, France
| | - Angela Casini
- Department of Pharmacokinetics, Toxicology and Targeting, Research
Institute of Pharmacy, University of Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Isabelle Kieffer
- BM30B/FAME beamline, European Synchrotron Radiation Facility (ESRF), F-38000 Grenoble, France
- Observatoire
des Sciences de l′Univers de Grenoble, UMS 832, CNRS, Université Joseph Fourier, F-38000 Grenoble, France
| | - Olivier Proux
- BM30B/FAME beamline, European Synchrotron Radiation Facility (ESRF), F-38000 Grenoble, France
- Observatoire
des Sciences de l′Univers de Grenoble, UMS 832, CNRS, Université Joseph Fourier, F-38000 Grenoble, France
| | - Jean-Marc Latour
- Université Grenoble Alpes, LCBM/PMB, F-38000 Grenoble, France
- CNRS, LCBM/PMB, UMR 5249, F-38000 Grenoble, France
- CEA, IRTSV-LCBM, PMB, F-38000 Grenoble, France
| | - Olivier Sénèque
- Université Grenoble Alpes, LCBM/PMB, F-38000 Grenoble, France
- CNRS, LCBM/PMB, UMR 5249, F-38000 Grenoble, France
- CEA, IRTSV-LCBM, PMB, F-38000 Grenoble, France
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