Antioxidant vitamins and cytokines are altered in breast cancer

A case–control study was conducted to assess the levels of α-tocopherol, retinol, and β-carotene in different tissues and the genetic expression of inflammatory mediators in women with breast cancer. The study included 51 women divided into two groups: case (n=25) and benign breast disease (n=26). We evaluated the dietary intake of α-tocopherol, retinol, and β-carotene and measured plasma and tissue concentrations of these compounds and the...