Search Results - "Lo Bello, Mario"
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A structure-based mechanism of cisplatin resistance mediated by glutathione transferase P1-1
Published in Proceedings of the National Academy of Sciences - PNAS (09-07-2019)“…Cisplatin [cis-diamminedichloroplatinum(II) (cis-DDP)] is one of the most successful anticancer agents effective against a wide range of solid tumors. However,…”
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Rational Design of an Organometallic Glutathione Transferase Inhibitor
Published in Angewandte Chemie (International ed.) (01-01-2009)“…Double trouble: A hybrid organic-inorganic (organometallic) inhibitor was designed to target glutathione transferases. The metal center is used to direct…”
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Studies of Glutathione Transferase P1-1 Bound to a Platinum(IV)-Based Anticancer Compound Reveal the Molecular Basis of Its Activation
Published in Chemistry : a European journal (04-07-2011)“…Platinum‐based cancer drugs, such as cisplatin, are highly effective chemotherapeutic agents used extensively for the treatment of solid tumors. However, their…”
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Organometallic Ruthenium Inhibitors of Glutathione-S-Transferase P1-1 as Anticancer Drugs
Published in ChemMedChem (10-12-2007)“…Ruthenium–arene complexes conjugated to ethacrynic acid were prepared as part of a strategy to develop novel glutathione‐S‐transferase (GST) inhibitors with…”
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Nitrosylation of Human Glutathione Transferase P1-1 with Dinitrosyl Diglutathionyl Iron Complex in Vitro and in Vivo
Published in The Journal of biological chemistry (23-12-2005)“…We have recently shown that dinitrosyl diglutathionyl iron complex, a possible in vivo nitric oxide (NO) donor, binds with extraordinary affinity to one of the…”
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Glutathione transferases and neurodegenerative diseases
Published in Neurochemistry international (01-03-2015)“…•Association between glutathione depletion and PD or AD has been proposed.•There is a significant decrease of GST activity in the brain of PD patients.•Some…”
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Glutathione Transferases and Glutathionylated Hemoglobin in Workers Exposed to Low Doses of 1,3-Butadiene
Published in Cancer epidemiology, biomarkers & prevention (01-11-2008)“…We evaluated glutathione transferase (GST) activities and the levels of glutathionylated hemoglobin in the RBC of 42 workers exposed to 1,3-butadiene in a…”
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Evolution of Negative Cooperativity in Glutathione Transferase Enabled Preservation of Enzyme Function
Published in The Journal of biological chemistry (23-12-2016)“…Negative cooperativity in enzyme reactions, in which the first event makes subsequent events less favorable, is sometimes well understood at the molecular…”
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Glutathione Transferase Superfamily Behaves Like Storage Proteins for Dinitrosyl-Diglutathionyl-Iron Complex in Heterogeneous Systems
Published in The Journal of biological chemistry (24-10-2003)“…Electron paramagnetic resonance and kinetics experiments have been made to determine the formation, stability, and fate of the natural nitric oxide carrier,…”
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Glutathione transferase P1‐1 as an arsenic drug‐sequestering enzyme
Published in Protein science (01-02-2017)“…Arsenic‐based compounds are paradoxically both poisons and drugs. Glutathione transferase (GSTP1‐1) is a major factor in resistance to such drugs. Here we…”
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Monomer−Dimer Equilibrium in Glutathione Transferases: A Critical Re-Examination
Published in Biochemistry (Easton) (03-11-2009)“…Glutathione transferases (GSTs) are dimeric enzymes involved in cell detoxification versus many endogenous toxic compounds and xenobiotics. In addition, single…”
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Thermodynamic Description of the Effect of the Mutation Y49F on Human Glutathione Transferase P1-1 in Binding with Glutathione and the Inhibitor S-Hexylglutathione
Published in The Journal of biological chemistry (21-11-2003)“…The thermodynamics of binding of both the substrate glutathione (GSH) and the competitive inhibitor S-hexylglutathione to the mutant Y49F of human glutathione…”
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The impact of nitric oxide toxicity on the evolution of the glutathione transferase superfamily: a proposal for an evolutionary driving force
Published in The Journal of biological chemistry (23-08-2013)“…Glutathione transferases (GSTs) are protection enzymes capable of conjugating glutathione (GSH) to toxic compounds. During evolution an important catalytic…”
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Glutathione S-transferase alpha 1 risk polymorphism and increased bilateral thalamus mean diffusivity in schizophrenia
Published in Psychiatry research. Neuroimaging (01-08-2012)“…Abstract Oxidative damage in brain cells is one of the factors hypothesized to be involved in the pathogenesis of schizophrenia. Glutathione S-transferase…”
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The Anti-cancer Drug Chlorambucil as a Substrate for the Human Polymorphic Enzyme Glutathione Transferase P1-1: Kinetic Properties and Crystallographic Characterisation of Allelic Variants
Published in Journal of molecular biology (27-06-2008)“…The commonly used anti-cancer drug chlorambucil is the primary treatment for patients with chronic lymphocytic leukaemia. Chlorambucil has been shown to be…”
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Human Glutathione Transferase T2-2 Discloses Some Evolutionary Strategies for Optimization of Substrate Binding to the Active Site of Glutathione Transferases
Published in The Journal of biological chemistry (23-02-2001)“…Rapid kinetic, spectroscopic, and potentiometric studies have been performed on human Theta class glutathione transferase T2-2 to dissect the mechanism of…”
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Electrostatic Association of Glutathione Transferase to the Nuclear Membrane: EVIDENCE OF AN ENZYME DEFENSE BARRIER AT THE NUCLEAR ENVELOPE
Published in The Journal of biological chemistry (02-03-2007)“…The possible nuclear compartmentalization of glutathione S-transferase (GST) isoenzymes has been the subject of contradictory reports. The discovery that the…”
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Identification of ‘tissue’ transglutaminase binding proteins in neural cells committed to apoptosis
Published in The FASEB journal (01-02-1999)“…ABSTRACT Overexpression of ‘tissue’ transglutaminase (tTG) in the human neuroblastoma cells increases spontaneous apoptosis and renders these cells highly…”
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Diuretic drug binding to human glutathione transferase P1-1: potential role of Cys-101 revealed in the double mutant C47S/Y108V
Published in Journal of molecular recognition (01-03-2011)“…The diuretic drug ethacrynic acid (EA), both an inhibitor and substrate of pi class glutathione S‐transferase (GST P1‐1), has been tested in clinical trials as…”
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The ligandin (non-substrate) binding site of human pi class glutathione transferase is located in the electrophile binding site (H-site)
Published in Journal of molecular biology (27-08-1999)“…Glutathione S-transferases (GSTs) play a pivotal role in the detoxification of foreign chemicals and toxic metabolites. They were originally termed ligandins…”
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