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Activation of antioxidant defences of human mammary epithelial cells under leptin depend on neoplastic state

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Obesity is associated with oxidative stress, a major factor in carcinogenesis, and with high leptin concentration. The aim of this study was to determine the effects of leptin on the antioxidant response in three human mammary epithelial cells each presenting a different neoplastic status: healthy human mammary epithelial cells (HMEC), oestrogen-receptor positive MCF-7 cells and triple-negative MDA-MB-231 cells | Activation of antioxidant defences of human mammary epithelial cells under leptin depend on neoplastic state