紀要論文 Significance of Trans Fatty Acids in Cancer.

Ohmori, Hitoshi  ,  Fujii, Kiyomu  ,  Kuniyasu, Hiroki

66 ( 3,4,5,6 )  , pp.35 - 43 , 2015-12-31 , 奈良医学会 , 奈良県立医科大学
ISSN:13450069
NII書誌ID(NCID):AA11252383
内容記述
Trans fatty acids (TFAs) are a recent focus of health problems. TFA is a definitiverisk factor for cardiovascular diseases and the death. TFA is also possible risk factor for Alzheimer's disease, obesity, diabetes, fatty liver, and ovulation infertility. The relationship between TFA and carcinogenic risk is controversial; however, TFA is reported to increase the risk of breast cancer and prostate cancer. Elaidic acid (EA), a trans form of oleic acid, enhances cancer cell growth, invasion, and anti-apoptotic survival. In animal models, EA promotes tumor growth and metastasis to the lung, liver, and peritoneum. EA induces sternness in cancer cells through transactivation of EFGR via SRC from GPR40/120 as receptors in EA-integrated cholesterol rafts. Activated EGFR relays the signals to activate canonical and non-canonical wnt pathways and to inactivate notchl pathways. EA also increases miR-494, which inhibits cell differentiation through decrease of target genes. Continuous EA feeding with dosage alteration increased cancer cell sternness. EA diminishes the efficiency of 5-fluorouracil by increasing residual cancer stem cells. These findings suggest that TFA is a relevant cancer promoting factor. The decision to remove TFA from foods made by the FDA might have an impact on cancer clinics.
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http://ginmu.naramed-u.ac.jp/dspace/bitstream/10564/3264/1/35-43p.SIGNIFICANCE%20OF%20TRANS%20FATTY%20ACIDS%20IN%20CANCER.pdf

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