Andrew G M Morgan

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The formation of isonicotinyl-nicotinamide adenine dinucleotide (INH-NAD(+)) via the mycobacterial catalase-peroxidase enzyme, KatG, has been described as the major component of the mode of action of isoniazid (INH). However, there are numerous human peroxidases that may catalyze this reaction. The role of neutrophil myeloperoxidase (MPO) in INH-NAD(+)(More)
To combat tuberculosis (TB), host phagocytic cells need to survive against self-generating oxidative stress-induced necrosis. However, the effect of isoniazid (INH) in protecting cells from oxidative stress-induced necrosis has not been previously investigated. In this in vitro study, the cytotoxic effect of H2O2 generation using glucose oxidase (a model of(More)
Several lines of evidence have pointed towards the potential therapeutic benefit of NSAIDs in cancer therapy. In this study, we have investigated the acute bio-activation of NSAIDs and their metabolites via myeloperoxidase (MPO), a highly-expressed peroxidase enzyme in acute myeloid leukemia. As bio-activation involves the formation of reactive metabolites,(More)
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