Antigens, Neoplasm|Breast Neoplasms|Cell Line, Tumor|Collagen Type I|CpG Islands|DNA Methylation|DNA Topoisomerases, Type II|DNA-Binding Proteins|Epigenesis, Genetic|Gene Expression Profiling|Gene Expression Regulation, Neoplastic|Genes, Tumor Suppressor|Genome-Wide Association Study|Humans|Oligonucleotide Array Sequence Analysis|Poly-ADP-Ribose Binding Proteins|Promoter Regions, Genetic|Proto-Oncogene Proteins c-vav|Trefoil Factor-1|Tumor Suppressor Proteins