p53 gene alterations in special types of breast carcinoma: a molecular and immunohistochemical study in archival material.

Abstract excerpt

The p53 locus on the short arm of chromosome 17 at 17p13.1 was examined for small genomic deletions and mutations in 23 formalin-fixed, paraffin-embedded cases of special types of breast carcinoma (six medullary, seven apocrine, five differentiated tubular, and five papillary). p53 mutations in the evolutionarily conserved exons 5-9 were detected in 11 cases (four apocrine, two papillary, two medullary, and three...

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