Journal
CLINICAL BREAST CANCER
Volume 22, Issue 1, Pages 10-25Publisher
CIG MEDIA GROUP, LP
DOI: 10.1016/j.clbc.2021.08.001
Keywords
Double strand break; DNA repair; Fanconi; PARP; Breast cancer
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The development of breast cancer depends on various risk factors, including environmental, lifestyle, and genetic factors. Understanding the function and epidemiology of breast cancer susceptibility genes is crucial for the development of personalized therapies targeting unique tumor profiles. The Fanconi Anemia pathway plays a critical role in DNA damage response and repair, and specific mutations in this pathway have been identified in the majority of Fanconi Anemia patients.
The development of breast cancer depends on several risk factors, including environmental, lifestyle and genetic factors. Despite the evolution of DNA sequencing techniques and biomarker detection, the epidemiology and mechanisms of various breast cancer susceptibility genes have not been elucidated yet. Dysregulation of the DNA damage response causes genomic instability and increases the rate of mutagenesis and the risk of carcinogenesis. The Fanconi Anemia (FA) pathway is an important component of the DNA damage response and plays a critical role in the repair of DNA interstrand crosslinks and genomic stability. The FA pathway involves 22 recognized genes and specific mutations have been identified as the underlying defect in the majority of FA patients. A thorough understanding of the function and epidemiology of these genes in breast cancer is critical for the development and implementation of individualized therapies that target unique tumor profiles. Targeted therapies (PARP inhibitors) exploiting the FA pathway gene defects have been developed and have shown promising results. This narrative review summarizes the current literature on the involvement of FA genes in sporadic and familial breast cancer with a focus on clinical data derived from large cohorts. (C) 2021 Elsevier Inc. All rights reserved.
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