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Wee Han Ang

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Publications associées (43)

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A structure-based mechanism of cisplatin resistance mediated by glutathione transferase P1-1

Paul Joseph Dyson, Laure Menin, Wee Han Ang

Cisplatin [cis-diamminedichloroplatinum(II) (cis-DDP)] is one of the most successful anticancer agents effective against a wide range of solid tumors. However, its use is restricted by side effects and/or by intrinsic or acquired drug resistance. Here, we ...

PNAS2019

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The cytotoxicity of cisplatin (cDDP) is enhanced when co-administered with ethacrynic acid (EA), a glutathione S-transferase (GST) inhibito r. A Pt-lV EA conjugate containing a cDDP core and two axial ethacrynate ligands (compound 1) was shown to be an ex ...

2018

Ligand substitutions between ruthenium-cymene compounds can control protein versus DNA targeting and anticancer activity

Paul Joseph Dyson, Ursula Röthlisberger, Wee Han Ang, Alexey Nazarov, Pablo Campomanes Ramos, Catherine Marie Amélie Clavel, Michael Groessl

Ruthenium compounds have become promising alternatives to platinum drugs by displaying specific activities against different cancers and favourable toxicity and clearance properties. Nonetheless, their molecular targeting and mechanism of action are poorly ...

2014

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The phosphorylation of a series of diaminopyridines (2,3-, 3,4-, 2,5- and 2,6-diaminopyridine), with various molecular equivalents of chlorodiphenylphosphine in the presence of TEA has been studied. Notably, phosphorylation of 2,3- and 3,4-diaminopyridine ...

Wiley-V C H Verlag Gmbh2014

Anthracene-Tethered Ruthenium(II) Arene Complexes as Tools To Visualize the Cellular Localization of Putative Organometallic Anticancer Compounds

Paul Joseph Dyson, Christian Hartinger, Wee Han Ang, Alexey Nazarov, Olivier Pierre Zava, Michael Groessl, Albert Ruggi, Frédéric Schmitt, Julie Risse

Anthracene derivatives of ruthenium(II) arene compounds with 1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane (pta) or a sugar phosphite ligand, viz., 3,5,6-bicyclophosphite1,2-O-isopropylidene-alpha-D-glucofuranoside, were prepared in order to evaluate their ...

2012

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Both metal complexes and organic molecules are widely used for the treatment of various diseases including cancer - in addition to surgery and radiotherapy. Recent years have witnessed a surge of interest in the application of organometallic compounds to t ...

2011

Ruthenium-arene complexes bearing the 1,3,5-triaza-7-phosphatricyclo-[3.3.1.1]decane ligand, namely, RAPTA compounds, are widely investigated as potential antimetastatic agents for cancer therapy. Although much evidence points toward covalent binding with ...

American Chemical Society2011

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Resistance against anticancer drugs remains a serious obstacle in cancer treatment. Here we used novel strategies to target microsomal glutathione transferase 1 (MGST1) and glutathione transferase pi (GSTP) that are often overexpressed in tumors and confer ...

2011

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Platinum-based cancer drugs, such as cisplatin, are highly effective chemotherapeutic agents used extensively for the treatment of solid tumors. However, their effectiveness is limited by drug resistance, which, in some cancers, has been associated with an ...

Wiley-Blackwell2011

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A series of fluorescent imidazolium-based salts contg. the cation [AnCH2MeIm]+ (in which An=anthracene and Im=the imidazolium cation) with Cl-, BF4-, PF6-, SO3CF3-, [N(CN)2]-, [N(SO2CF3)2]-, or PhBF3- anions have been prepd. and characterized. X-ray diffra ...

2010