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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611

Abstract

CABO-GARCIA, Liliana; ACHON-TUNON, María  and  GONZALEZ-GONZALEZ, M.ª Purificación. The influence of the polyunsaturated fatty acids in the prevention and promotion of cancer. Nutr. Hosp. [online]. 2015, vol.32, n.1, pp.41-49. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2015.32.1.8721.

Introduction: each year, almost eight million people die in the world due to cancer. Carcinogenesis is a process that involves a series of structural alterations of the DNA which affect its stability and prevents proper cell reproduction and development. There are many factors that influence the cancer etiology. Nutritional factors are included among them. The polyunsaturated fatty acids (PUFA) intake is associated more and more with the prevention and development of chronic diseases with an inflammatory component such as cancer. Objetive: this work reviews the latest bibliography on the PUFA and its relationship with the cancer, mainly of prostate, breast and colon cancer. Methods: the preliminary search resulted in 92 selected references. But, after their review, 40 experimental studies, in animals and in vitro, and epidemiological studies have been included. Results: experimental studies in animals and in vitro reviewed show a protective effect of ω3 PUFA against cancer. However, human studies are contradictory; although it is clear there is evidence of the protective effect of the ω3 PUFA in colon cancer prevention. Conclusions: the relationship between ω6 and ω3 PUFA of the diet against the cancer risk is becoming increasingly important, but further studies are needed to confirm their influence on the development of this disease.

Keywords : Cancer; Polyunsaturated fatty acids; Inflammation.

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