Maoguen Zheng

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Exposure of humans to cadmium (Cd) either from environmental contamination or from cigarette smoke, often induces lung emphysema and cancers. Lysyl oxidase (LOX), a copper-dependent enzyme essential for crosslinking of the extracellular matrix, displays antagonistic effects on emphysema and cancer pathogenesis. Our previous studies showed down-regulation of(More)
A tobacco-specific carcinogen, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), is believed to contribute to the cancer burden in cigarette smokers. To evaluate NNK effects on the expression of lysyl oxidase (LOX), a tumor suppressor, we examined this enzyme at various levels in NNK-treated rat fetal lung fibroblasts (RFL6). Exposure of cells to NNK(More)
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