Search Results - "Giles, Niroshini M"
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Sulfur and Selenium: The Role of Oxidation State in Protein Structure and Function
Published in Angewandte Chemie International Edition (13-10-2003)“…Sulfur and selenium occur in proteins as constituents of the amino acids cysteine, methionine, selenocysteine, and selenomethionine. Recent research…”
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Redox catalysts as sensitisers towards oxidative stress
Published in FEBS letters (30-01-2003)“…The predominance of oxidative stress in many tumour cell environments provides a means to selectively target these cells via protein oxidation. The zinc…”
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Multifunctional redox catalysts as selective enhancers of oxidative stress
Published in Organic & biomolecular chemistry (21-07-2005)“…Certain cancer cells proliferate under conditions of oxidative stress (OS) and might therefore be selectively targeted by redox catalysts. Among these…”
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Quadruply Stranded Metallo-Supramolecular Helicate [Pd2(hextrz)4]4+ Acts as a Molecular Mimic of Cytolytic Peptides
Published in Chemical research in toxicology (20-07-2020)“…[Pd2(hextrz)4]4+ is a quadruply stranded helicate, a novel bioinorganic complex designed to mimic the structure and function of proteins due to its high…”
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The Use of Styrene Maleic Acid Nanomicelles Encapsulating the Synthetic Cannabinoid Analog WIN55,212-2 for the Treatment of Cancer
Published in Anticancer research (01-09-2015)“…Synthetic cannabinoid WIN55,212-2 (WIN) has shown a promise as an anticancer agent but causes psychoactive side-effects. In the present study, nano-micelles of…”
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Multiple roles of cysteine in biocatalysis
Published in Biochemical and biophysical research communications (03-01-2003)“…In biology, sulfur frequently occurs in the form of cysteine, an amino acid that fulfills a wide range of different functions in proteins including disulfide…”
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A hydrogen peroxide electrode assay to measure thiol peroxidase activity for organoselenium and organotellurium drugs
Published in Analytical biochemistry (15-10-2012)“…Molecular mimics of the enzyme glutathione peroxidase (GPx) are increasingly being evaluated as redox active drugs. Their molecular mechanism of action…”
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Intracellular Targeting and Pharmacological Activity of the Superoxide Dismutase Mimics MnTE-2-PyP5+ and MnTnHex-2-PyP5+ Regulated by Their Porphyrin Ring Substituents
Published in Inorganic chemistry (15-04-2013)“…Manganese porphyrin-based drugs are potent mimics of the enzyme superoxide dismutase. They exert remarkable efficacy in disease models and are entering…”
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The Molecular Design of S-Nitrosothiols as Photodynamic Agents for Controlled Nitric Oxide Release
Published in Chemical biology & drug design (01-09-2012)“…Nitric oxide is a small messenger molecule utilized by nature in cell signalling and the non‐specific immune response. At present, nitric oxide releasing…”
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A sensitive method for the quantitative measurement of protein thiol modification in response to oxidative stress
Published in Free radical biology & medicine (01-02-2006)“…The combination of proteomics with highly specific and sensitive affinity techniques is important for the identification of posttranslational modifications by…”
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Reactive sulphur species: an in vitro investigation of the oxidation properties of disulphide S-oxides
Published in Biochemical journal (01-06-2002)“…We have recently proposed that disulphide S-monoxides (thiosulphinates) and disulphide S-dioxides (thiosulphonates) are formed from their parent disulphides…”
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Electrochemical, in vitro and cell culture analysis of integrated redox catalysts: implications for cancer therapy
Published in Chemical communications (Cambridge, England) (01-01-2003)“…Integrated catalysts as redox sensitisers towards cancer…”
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Targeting oxidative stress-related diseases: organochalcogen catalysts as redox sensitizers
Published in Biochemical pharmacology (15-11-2003)“…Tumor cells proliferate under conditions of oxidative stress. A novel therapeutic approach would be to enhance the cellular effects of the reactive oxygen…”
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Metal and Redox Modulation of Cysteine Protein Function
Published in Chemistry & Biology (01-08-2003)“…In biological systems, the amino acid cysteine combines catalytic activity with an extensive redox chemistry and unique metal binding properties. The…”
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Schwefel und Selen: Bedeutung der Oxidationsstufe für Struktur und Funktion von Proteinen
Published in Angewandte Chemie (13-10-2003)“…Schwefel und Selen kommen in Proteinen als Bestandteile der Aminosäuren Cystein, Methionin, Selenocystein und Selenomethionin vor, deren Ausnahmestellung in…”
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