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Angela Casini

Cette personne a quitté l’EPFL

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Publications associées (43)

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Ruthenium(II) arene complexes with oligocationic triarylphosphine ligands: Synthesis, DNA interactions and in vitro properties

Paul Joseph Dyson, Angela Casini, Fabio Edafe, Dennis Snelders

The synthesis, DNA binding properties and cytotoxicity of a series of Ru(II)-arene complexes containing oligocationic ammonium-functionalized triarylphosphines, of the type Ru(p-cymene)Cl-2(L) (L - oligocationic phosphine), are reported. The complexes are ...

2011

Gold(III) compounds as anticancer agents: Relevance of gold-protein interactions for their mechanism of action

Paul Joseph Dyson, Christian Hartinger, Angela Casini

Gold(III) compds. constitute an emerging class of biol. active substances, of special interest as potential anticancer agents. During the past decade a no. of structurally diverse gold(III) complexes were reported to be acceptably stable under physiol.-lik ...

2008

Thiolato gold(I) complexes containing water-soluble phosphane ligands: a characterization of their chemical and biological properties

Angela Casini, Catherine Marie Amélie Clavel

A series of thiolate gold(I) derivatives bearing water soluble phosphanes - namely sodium triphenylphosphane monosulfonate (TPPMS), sodium triphenylphosphane trisulfonate (TPPTS), 1,3,5-triaza-7-phosphaadamantane (PTA) and 3,7-diacetyl-1,3,7-triaza-5-phosp ...

2011

Proteins as Possible Targets for Cytotoxic trans-Platinum(II) Complexes with Aliphatic Amine Ligands: Further Exceptions to the DNA Paradigm

Paul Joseph Dyson, Angela Casini, Michael Groessl

The reactivity of three cytotoxic trans-PtII complexes bearing aliph. amine ligands, with transferrin and single-stranded oligonucleotides as DNA models, was investigated by ESI-MS and the results obtained are discussed in comparison with cisplatin. Tandem ...

Wiley-Blackwell2010

Anticancer activity of new organo-ruthenium, rhodium and iridium complexes containing the 2-(pyridine-2-yl)thiazole N,N-chelating ligand

Paul Joseph Dyson, Angela Casini, Fabio Edafe

The dinuclear dichloro complexes [(η6-arene)2Ru2(μ-Cl)2Cl2] and [(η5-C5Me5)2M2(μ-Cl)2Cl2] react with 2-(pyridine-2-yl)thiazole (pyTz) to afford the cationic complexes [(η6-arene)Ru(pyTz)Cl]+ (arene = C6H6 (1), p-iPrC6H4Me (2) or C6Me6 (3)) and [(η5-C5Me5)M ...

Elsevier2010

The molecular mechanisms of antimetastatic ruthenium compounds explored through DIGE proteomics

Paul Joseph Dyson, Angela Casini

DIGE (difference in gel electrophoresis) proteomics is exploited here to gain insight into the molecular mechanisms of two established ruthenium-based antimetastatic agents, namely trans-[tetrachloro (DMSO) (imidazole)ruthenate(III)] (NAMI-A) and [Ru(eta(6 ...

Elsevier Science Inc2013

BODIPY-phosphane as a versatile tool for easy access to new metal-based theranostics

Angela Casini, Olivier Pierre Zava

A new BODIPY-phosphane was synthesized and proved to be a versatile tool for imaging organometallic complexes. It also led to easy access to a new family of theranostics, featuring gold, ruthenium and osmium complexes. The compounds' cytotoxicity was teste ...

Royal Soc Chemistry2013

Organometallic antitumour agents with alternative modes of action

Paul Joseph Dyson, Christian Hartinger, Angela Casini, Alexey Nazarov

The therapeutic index of drugs that target DNA, a ubiquitous target present in nearly all cells, is low. Nevertheless, DNA has remained the primary target for medicinal chemists developing metal-based anticancer drugs, although DNA has been essentially aba ...

2010

Reactivity and Biological Properties of a Series of Cytotoxic PtI2(amine)(2) Complexes, Either cis or trans Configured

Angela Casini

Six diiodido-diamine platinum(II) complexes, either cis or trans configured, were prepared, differing only in the nature of the amine ligand (isopropylamine, dimethylamine, or methylamine), and their antiproliferative properties were evaluated against a pa ...

2012

Cytotoxic profile and peculiar reactivity with biomolecules of a novel “rule-breaker” iodo-platinum(II) complex

Angela Casini

Novel and surprising biological properties were disclosed for the platinum(II) complex cis-diiodidodiisopropylamineplatinum(II). Remarkably this new platinum(II) complex manifests pronounced antiproliferative properties in vitro, in some cases superior to ...

2010

Application of mass spectrometric techniques to delineate the modes-of-action of anticancer metallodrugs

Paul Joseph Dyson, Christian Hartinger, Angela Casini, Michael Groessl

Mass spectrometry (MS) has emerged as an important tool for studying anticancer metallodrugs in complex biological samples and for characterising their interactions with biomolecules and potential targets on a molecular level. The exact modes-of-action of ...

Royal Society of Chemistry2013

[Au2(phen2Me)2(μ-O)2](PF6)2, a novel dinuclear gold(III) complex showing excellent antiproliferative properties

Angela Casini

A novel dioxo-bridged dinuclear gold(III) complex with two 2,9-dimethylphenanthroline ligands was synthesized and thoroughly characterized. Its crystal structure was solved, and its solution behavior assessed. Remarkably, this compound revealed excellent a ...

2010

Gold finger formation studied by high-resolution mass spectrometry and in silico methods

Yury Tsybin, Angela Casini, Unige Anna Laskay

High-resolution mass spectrometry and quantum mechanics/molecular mechanics studies were employed for characterizing the formation of two gold finger (GF) domains from the reaction of zinc fingers (ZF) with gold complexes. The influence of both the gold ox ...

Royal Society of Chemistry2015

Multinuclear Cytotoxic Metallodrugs: Physicochemical Characterization and Biological Properties of Novel Heteronuclear Gold-Titanium Complexes

Angela Casini, Olivier Pierre Zava, Michael Groessl

An unprecedented series of titanocene-gold bi- and trimetallic complexes of the general formula [(eta(5)-C5H5)-(mu-eta(5):kappa(1)-C5H4(CH2)(n)PPh2)TiCl2AuClx](q+) (n = 0, 2, or 4; m = 1, x =1, q = 0 or m = 2, x = 0, q = 1) have been prepared and char ...

2011

Anticancer Therapeutics That Target Selenoenzymes: Synthesis, Characterization, in vitro Cytotoxicity, and Thioredoxin Reductase Inhibition of a Series of Gold(I) Complexes Containing Hydrophilic Phosphine Ligands

Paul Joseph Dyson, Angela Casini, Olivier Pierre Zava

Gold(I) complexes bearing water-sol. phosphine ligands, including 1,3,5-triaza-7-phosphaadamantane (PTA), 3,7-diacetyl-1,3,7-triaza-5-phosphabicyclo[3.3.1]nonane (DAPTA), and sodium triphenylphosphine trisulfonate (TPPTS), in combination with thionate liga ...

Wiley-Blackwell2010

Emerging Protein Targets for Anticancer Metallodrugs: Inhibition of Thioredoxin Reductase and Cathepsin B by Antitumor Ruthenium(II)-Arene Compounds

Paul Joseph Dyson, Christian Hartinger, Angela Casini

A series of ruthenium(II)-arene (RAPTA) compds. were evaluated for their ability to inhibit thioredoxin reductase (either cytosolic or mitochondrial) and cathepsin B, two possible targets for anticancer metallodrugs. In general, inhibition of the thioredox ...

2008

Stability of an organometallic ruthenium-ubiquitin adduct in the presence of glutathione: Relevance to antitumor activity

Paul Joseph Dyson, Yury Tsybin, Christian Hartinger, Angela Casini

The interactions of the ruthenium(II) complex Ru(η6-p-cymene)(pta)Cl2 (RAPTA-C), an effective anticancer and antimetastatic agent, with biol. nucleophiles are important with respect to its mechanism of action, for example, the reaction with glutathione (GS ...

2008

Structure, solution chemistry, antiproliferative actions and protein binding properties of non-conventional platinum(II) compounds with sulfur and phosphorus donors

Angela Casini

Twelve Pt(II) complexes with cis-PtP2S2 pharmacophores (where P-2 refers to two monodentate or one bidentate phosphane ligand and S-2 is a dithiolato ligand) were prepared, characterized and evaluated as potential antiproliferative agents. The various comp ...

2011

ESI-MS characterisation of protein adducts of anticancer ruthenium(II)-arene PTA (RAPTA) complexes

Paul Joseph Dyson, Wee Han Ang, Angela Casini

Electrospray ionization mass spectrometry allows a rapid characterization of the adducts formed between three novel anticancer ruthenium(II)-arene PTA compds. and horse heart cytochrome c or hen egg white lysozyme. Specific information on the nature of the ...

2007

Organometallic Ruthenium(II) Arene Compounds with Antiangiogenic Activity

Paul Joseph Dyson, Hubert van den Bergh, Georges Wagnières, Patrycja Nowak-Sliwinska, Angela Casini, Alexey Nazarov

The antimetastatic ruthenium (II) compounds [Ru(eta(6)-p-cymene)Cl-2(PTA)] (PTA = 1,3,5-triaza-7-phosphaadamantane) (RAPTA-C) and [Ru(eta(6)-toluene)Cl-2(PTA)] (RAPTA-T), as well as their analogues [Ru(eta(6)-p-cymene)Cl-2(DAPTA)] (DAPTA = (3,7-diacetyl-1, ...

2011