Case Report: Detection of a Novel Germline PALB2 Deletion in a Young Woman With Hereditary Breast Cancer: When the Patient's Phenotype History Doesn't Lie

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Abstract

The partner and localizer of BRCA2 (PALB2) is a major BRCA2 binding partner that participates in homologous recombination repair in response to DNA double-strand breaks. Germline alterations of the PALB2 gene have recently been associated with a high risk of developing breast cancer. We investigated a 37-year-old Caucasian woman with breast cancer and family history of breast cancer using targeted next generation sequencing. A novel heterozygous deletion involving exons 5 and 6 was found in the PALB2 gene, and resulted in the production of a truncated PALB2 protein. These findings expand the mutational spectra of PALB2-associated breast cancer, and may improve the mutation-based screening and genetic diagnosis of breast cancer.

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De Angelis, C., Nardelli, C., Concolino, P., Pagliuca, M., Setaro, M., De Paolis, E., … Capoluongo, E. (2021). Case Report: Detection of a Novel Germline PALB2 Deletion in a Young Woman With Hereditary Breast Cancer: When the Patient’s Phenotype History Doesn’t Lie. Frontiers in Oncology, 11. https://doi.org/10.3389/fonc.2021.602523

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