TY - JOUR AU - Martínez-Galán, Joaquina AU - Torres-Torres, Blanca AU - Núñez, María Isabel AU - López-Peñalver, Jesús AU - Del Moral, Rosario AU - Ruiz De Almodóvar, José Mariano AU - Menjón, Salomón AU - Concha, Angel AU - Chamorro, Clara AU - Ríos, Sandra AU - Delgado, Juan Ramón PY - 2014 DO - 10.1186/1471-2407-14-59 UR - http://hdl.handle.net/10668/1634 T2 - BMC Cancer AB - BACKGROUNDTumor expression of estrogen receptor (ER) is an important marker of prognosis, and is predictive of response to endocrine therapy in breast cancer. Several studies have observed that epigenetic events, such methylation of cytosines and... LA - en PB - BioMed Central KW - Breast cancer KW - Methylation KW - Luminal phenotypes KW - Metilación KW - Neoplasias de la Mama KW - Antineoplásicos Hormonales KW - Receptores Estrogénicos KW - Metilación de ADN KW - Epigénesis Genética KW - Femenino KW - Medical Subject Headings::Phenomena and Processes::Chemical Phenomena::Biochemical Phenomena::Biochemical Processes::Alkylation::Methylation KW - Medical Subject Headings::Diseases::Neoplasms::Neoplasms by Site::Breast Neoplasms KW - Medical Subject Headings::Chemicals and Drugs::Chemical Actions and Uses::Pharmacologic Actions::Therapeutic Uses::Antineoplastic Agents::Antineoplastic Agents, Hormonal KW - Medical Subject Headings::Chemicals and Drugs::Amino Acids, Peptides, and Proteins::Proteins::DNA-Binding Proteins::Receptors, Cytoplasmic and Nuclear::Receptors, Steroid::Receptors, Estrogen KW - Medical Subject Headings::Phenomena and Processes::Genetic Phenomena::Genetic Processes::DNA Methylation KW - Medical Subject Headings::Phenomena and Processes::Genetic Phenomena::Genetic Processes::Gene Expression Regulation::Epigenesis, Genetic KW - Medical Subject Headings::Check Tags::Female TI - ESR1 gene promoter region methylation in free circulating DNA and its correlation with estrogen receptor protein expression in tumor tissue in breast cancer patients. TY - research article ER -