title: Impact of dietary components on NK and Treg cell function for cancer prevention.
abstract: An important characteristic of cancer is that the disease can overcome the surveillance of the immune system. A possible explanation for this resistance arises from the ability of tumor cells to block the tumoricidal activity of host immune cells such as natural killer (NK) cells by inducing the localized accumulation of regulatory T (Treg) cells. Evidence exists that components in commonly consumed foods including vitamins A, D, and E, water-soluble constituents of mushrooms, polyphenolics in fruits and vegetables, and n-3 fatty acids in fish oil can modulate NK cell activities, Treg cell properties, and the interactions between those two cell types. Thus, it is extremely important for cancer prevention to understand the involvement of dietary components with the early stage dynamics of interactions among these immune cells. This review addresses the potential significance of diet in supporting the function of NK cells, Treg cells, and the balance between those two cell types, which ultimately results in decreased cancer risk.
authors.affiliation: Nutritional Science Research Group, Division of Cancer Prevention, National Cancer Institute, Rockville, Maryland.
authors.forename: Young S
authors.initials: YS
authors.lastname: Kim
authors.affiliation: Frederick National Laboratory, Center for Cancer Research, NCI, Frederick, Maryland.
authors.forename: Thomas J
authors.initials: TJ
authors.lastname: Sayers
authors.affiliation: Frederick National Laboratory, Center for Cancer Research, NCI, Frederick, Maryland.
authors.forename: Nancy H
authors.initials: NH
authors.lastname: Colburn
authors.affiliation: Human Nutrition Research Center, USDA/ARS, Beltsville, Maryland.
authors.forename: John A
authors.initials: JA
authors.lastname: Milner
authors.affiliation: Frederick National Laboratory, Center for Cancer Research, NCI, Frederick, Maryland.
authors.forename: Howard A
authors.initials: HA
authors.lastname: Young
mesh_terms: D000818:Animals; D016207:Cytokines / Q000276:immunology; D004032:Diet; D015525:Fatty Acids, Omega-3 / Q000276:immunology; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology*; D009369:Neoplasms / Q000178:diet therapy / Q000276:immunology* / Q000517:prevention & control*; D059808:Polyphenols / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology*; D014801:Vitamin A / Q000276:immunology; D014807:Vitamin D / Q000276:immunology
chemical_list: D016207:Cytokines; D015525:Fatty Acids, Omega-3; D059808:Polyphenols; D014801:Vitamin A; D014807:Vitamin D
keywords: cancer prevention; dietary components; natural killer cells; regulatory t cells
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