4.2 Article

Antioxidant vitamins and cytokines are altered in breast cancer

Journal

EUROPEAN JOURNAL OF CANCER PREVENTION
Volume 20, Issue 5, Pages 403-410

Publisher

LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CEJ.0b013e328347618e

Keywords

antioxidants; beta-carotene; breast cancer; cytokines; diet; IFN gamma; IL-8; IL-10; nutrition; vitamin A; vitamin E

Categories

Funding

  1. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (Brazil)
  2. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico

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A case-control study was conducted to assess the levels of alpha-tocopherol, retinol, and beta-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 alpha-tocopherol, retinol, and beta-carotene and measured plasma and tissue concentrations of these compounds and the inflammatory mediators IL-8, IL-10, and IFN gamma. The benign breast disease group showed greater ingestion of alpha-tocopherol (P = 0.04) and beta-carotene (P = 0.011). The concentration of tissue alpha-tocopherol was reduced in the case group (P = 0.005). The expression of IL-10, IL-8, and IFN gamma increased by 231.0, 49.1, and 57.5%, respectively in the case group. The results show that antioxidant nutrients possibly exert biological effects in preventing breast cancer and the immune response is activated in the course of the disease, given the increased expression of proinflammatory and anti-inflammatory compounds with the aid of food. European Journal of Cancer Prevention 20:403-410 (C) 2011 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.

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