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Diet & Health : Cancer Last Updated: Apr 20, 2011 - 9:38:09 AM

Omega 3 fatty acids kill gastric cancer cells
By David Liu
Nov 18, 2007 - 12:49:01 PM

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SUNDAY NOV 18, 2007 ( -- Intake of omega-3 polyunsaturated fatty acids may be protective against gastric cancer, according to a new Chinese study published in the November, 2007 issue of Zhonghua Wei Chang Wai Ke Za Zhi.


Yin Y from Sun Yat-sen University in Guangzhou, China and colleagues found that omega 3 PUFAs inhibits in vitro growth of gastric cancer through promoting apoptosis, a programmed cell death that is missing in cancer cells.


For the study, the researchers treated human gastric caner cell line SGC-7901 with eicosapentaenoic acid (20:5omega-3,EPA) or docosahexaenoic acid (22:6omega-3, DHA) at concentrations of 10, 20 and 40 mug/ml.


Both EPA and DHA, two omega-fatty acids commonly found in oily fish oil, markedly inhibited the cancer cell growth and induced apoptosis in a time- and dose-dependent manner, according to the study.


The researchers wrote "Compositional and functional alterations in mitochondrial membrane may be an important initiator of apoptosis induced by omega-3PUFAs."

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