Landy Razanamahefa

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The validity of estimated association between dietary fat intake and cancer depends both on the methodology of dietary assessment used and on the quality of food composition data. The food composition database of Afssa/Ciqual shows that there is a deficiency in data on fatty acids. In order to identify the priorities for improving the quality of the(More)
We examined the effects of all-trans retinoic acid (RA) on the insulin-induced cell growth, cell cycle progression and cyclin D1 gene expression in breast cancer cells. RA exerted a dose-dependent growth inhibition on insulin-induced proliferation in T47D and MCF-7 hormone-dependent cell lines, whereas MDA-MB231 hormone-independent cells were not affected.(More)
Experimental and human studies have provided evidence that a high intake of n-6 polyunsaturated fatty acids stimulates mammary carcinogenesis. Arachidonic acid, an n-6fatty acid consumed in the diet or derived from dietary linoleic acid, is thought to play a key role in enhancement of mammary tumor development. In this study, we investigated the effects of(More)
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