2009
DOI: 10.1051/medsci/2009255439
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Le microenvironnement tumoral

Abstract: > Le cancer du sein, particulièrement le carcinome canalaire infiltrant, est une maladie très hétérogène médica-lement et histologiquement. Les études génomiques de tumeurs du sein ont permis de déceler de nouveaux sous-types moléculaires, notamment de type basal, exprimant HER2 (epidermal growth factor type II), ou luminal (sous-types A et B), qui se caractérisent par des profils d'expression génique uniques, ainsi que par des aberrations chromosomiques particulières [1,2,14,15]. De multiples données tendent … Show more

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Cited by 5 publications
(3 citation statements)
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“…The focus in DNA methylation studies in cancer to date has been on the tumor, tumor microenvironment [ 27 , 28 ], and circulating tumor DNA [ 24 , 25 ], and major advances were made in this respect. In this study, we focused however on the host immune system since the idea that the qualities of the host immune system might define the clinical emergence and trajectory of cancer has been proposed almost a century ago [ 2 ] and there is an emerging line of evidence that is consistent with this hypothesis [ 6 19 ].…”
Section: Discussionmentioning
confidence: 99%
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“…The focus in DNA methylation studies in cancer to date has been on the tumor, tumor microenvironment [ 27 , 28 ], and circulating tumor DNA [ 24 , 25 ], and major advances were made in this respect. In this study, we focused however on the host immune system since the idea that the qualities of the host immune system might define the clinical emergence and trajectory of cancer has been proposed almost a century ago [ 2 ] and there is an emerging line of evidence that is consistent with this hypothesis [ 6 19 ].…”
Section: Discussionmentioning
confidence: 99%
“…DNA methylation, a covalent modification of DNA, which is a primary mechanism of epigenetic regulation of genome function, is ubiquitously altered in tumors [ 18 , 20 22 ] including hepatocellular carcinoma (HCC) [ 23 ]. Molecular analysis of cancer including DNA methylation is mainly focused on tumors and biomaterial originating in tumor including tumor DNA in plasma [ 24 , 25 ], circulating tumor cells [ 26 ], and the tumor-host microenvironment [ 27 , 28 ]. The prevailing and widely accepted hypothesis is that molecular changes that drive cancer initiation and progression originate primarily in the tumor itself and that relevant changes in the host occur primarily in the tumor microenvironment [ 27 , 29 ].…”
Section: Backgroundsmentioning
confidence: 99%
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