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Medical Nutrition Commons

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Preventive Medicine

University of Nebraska Medical Center

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Full-Text Articles in Medical Nutrition

Dietary Polyunsaturated Fatty Acids Regulate Mammary Tumor Growth And Metastasis By Modulating Tissue Microenvironments, Saraswoti Khadge Dec 2018

Dietary Polyunsaturated Fatty Acids Regulate Mammary Tumor Growth And Metastasis By Modulating Tissue Microenvironments, Saraswoti Khadge

Theses & Dissertations

Omega (ω)-6 and ω-3 polyunsaturated fatty acids (PUFAs) are essential fatty acids (FAs) and the precursors of pro- and anti-inflammatory mediators respectively. Epidemiological studies have shown a lower incidence of breast cancer (BC) in the countries where long-chain (LC)-ω-3FAs consumption is higher; however, the role of ω-3FAs in BC growth and metastasis is poorly understood. We used isocaloric, isolipidic ω-6 and ω-3 (contains LC-ω-3FAs) diets and a pair-fed model to evaluate the effects of dietary PUFAs in mammary tumor metastasis. Our studies have resulted in several novel observations including that dietary LC-ω-3FAs modulate mammary gland (MG) microenvironments in non-tumor bearing …