Gene expression profiles of PDX models with acquired resistance to endocrine treatments

Acquired resistance to endocrine therapy occurs with high frequency in patients with luminal breast cancer (LBC). We report here the establishment of four patient-derived xenograft models of LBC with acquired resistance in vivo to tamoxifen and estrogen deprivation.

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Cottu P, Bièche I, Assayag F, El Botty R, Chateau-Joubert S, Thuleau A, Bagarre T, Albaud B, Rapinat A, Gentien D, de la Grange P, Sibut V, Vacher S, Hatem R, Servely JL, Fontaine JJ, Decaudin D, Pierga JY, Roman-Roman S, Marangoni E