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Colorectal cancer cell growth inhibition by linoleic acid is related to fatty acid composition changes

Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2010年第12期11卷 923-930页

作者： Xiao-feng LU Guo-qing HE Hai-ning YU Qi MA Sheng-rong SHEN Undurti N. DAS Department of Food Science and Nutrition College of Biosystems Engineering and Food Science Zhejiang University Hangzhou 310029 China College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310032 China UND Life Sciences Shaker Heights OH 44120 USA College of Medicine Bharati Vidyapeeth University Pune 411030 India

Polyunsaturated fatty acids (PUFAs) possess anti-cancer action both in vitro and in *** the present study,we detected cell viability with methyl thiazolyl tetrazolium (MTT) assay and cell membrane permeability with propidium iodide (PI) fluorescence dyeing,and calculated cell membrane fluidity change as fluorescence *** acid content in cells was measured by gas chromatography/mass spectroscopy (GC/MS),and the relationship between fatty acid composition and cell viability was *** observed that n-6 PUFA linoleic acid (LA) inhibited tumor cell growth at high concentrations (≥300 μmol/L),while low concentrations (100–200 μmol/L) seemed to promote cell *** of cell membrane permeability,cell membrane fluidity,and cell fatty acid composition suggested that the anti-cancer action of LA could be related to changes in the ratio of n-6 to n-3 *** observed that pre-incubation of cancer cells with 100 μmol/L LA for 24 h enhanced cell sensitivity to the cytotoxic action of LA,whereas undifferentiated cell line LoVo seemed to have a distinct path in LA-induced *** results showed that one of the mechanisms by which supplementation of LA induces cancer cell death could be altering the ratio of n-6/n-3 PUFAs,and this may be related to cell differentiation status.

关键词：反癌症丰满的酸作文罂酸的酸在 vitro

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