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Current Nutrition & Food Science


ISSN (Print): 1573-4013
ISSN (Online): 2212-3881

Mini-Review Article

The Role of Vitamin E in Breast Cancer Treatment and Prevention: Current Perspectives

Author(s): Victor A. de Oliveira*, Irislene C. Pereira, Thaís R. Nogueira, Jorddam A. Martins, Gilmara Péres-Rodrigues, Betânia de Jesus e Silva de Almendra, Vladimir C. Silva, Dalton D. Júnior, Francisco L.T. Leal, Joáo M. de Castro e Sousa, Felipe C.C. da Silva, Ana A. de Carvalho Melo Cavalcanti and Adriana de Azevedo Paiva

Volume 17, Issue 2, 2021

Published on: 14 June, 2020

Page: [134 - 143] Pages: 10

DOI: 10.2174/1573401316999200614164711

Price: $65


Background: Regarding the multifactorial etiology of breast cancer, food choices, as well as dietary intake, are the main modified factors in cancer prevention. In this sense, understanding molecular pathways involved in breast cancer proliferation can help determine the mechanisms of action of organic compounds such as antioxidant vitamins that are known to protect against cancer.

Objective: Assess the mechanism of action of vitamin E in breast cancer modulation, with emphasis on important markers of tumor development.

Methods: It is a systematic review carried out in PubMed and Web of Science databases, from the last 5 years, in Portuguese, English and Spanish. The following terms were selected according to The Medical Subject Headings (MeSH): “breast cancer” OR “breast neoplasms”, “tocopherol” OR “tocotrienols” OR “vitamin E”, as equated terms.

Results: A total of 595 articles were found and 25 were selected according to inclusion criteria. Vitamin E has been related to suppression/overexpression of important tumorigenic pathways, mainly associated with proliferation, energy metabolism, chemosensitivity and invasion/metastasis. Clinical studies of vitamin E supplementation are needed to assess the dose/response effect on breast cancer patients.

Conclusion: The safety of vitamin E supplementation is still controversial due to current studies design available. However, when vitamin E is supplemented, the dose and therapeutic regimen must be carefully decided, including the route of administration and breast cancer subtypes to enhance desired effects and minimize unwanted side effects.

Keywords: Breast neoplasms, chemotherapy, modulation, pathogenesis, tocopherol, tocotrienols.

Graphical Abstract
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