Hereditary breast and ovarian cancer syndrome is caused by germline mutations in BRCA1/2 genes. These genes are very large and their mutations are heterogeneous and scattered throughout the coding sequence. In addition to the above-mentioned mutations, variants of uncertain/unknown significance (VUSs) have been identified in BRCA genes, which make more difficult the clinical management of the patient and risk assessment. In the last decades, several laboratories have developed different databases that contain more than 2000 variants for the two genes and integrated strategies which include multifactorial prediction models based on direct and indirect genetic evidence, to classify the VUSs and attribute them a clinical significance associated with a deleterious, high/low or neutral risk. This review provides a comprehensive overview of literature studies concerning the VUSs, in order to assess their impact on the population and provide new insight useful for the appropriate patient management in clinical practice.

Fanale D., Pivetti A., Cancelliere D., Spera A., Bono M., Fiorino A., et al. (2022). BRCA1/2 variants of unknown significance in hereditary breast and ovarian cancer (HBOC) syndrome: Looking for the hidden meaning. CRITICAL REVIEWS IN ONCOLOGY HEMATOLOGY, 172 [10.1016/j.critrevonc.2022.103626].

BRCA1/2 variants of unknown significance in hereditary breast and ovarian cancer (HBOC) syndrome: Looking for the hidden meaning

Fanale D.;Pivetti A.;Cancelliere D.;Fiorino A.;Pedone E.;Barraco N.;Brando C.;Perez A.;Guarneri M. F.;Vieni S.;Russo A.
;
Bazan V.
2022-05

Abstract

Hereditary breast and ovarian cancer syndrome is caused by germline mutations in BRCA1/2 genes. These genes are very large and their mutations are heterogeneous and scattered throughout the coding sequence. In addition to the above-mentioned mutations, variants of uncertain/unknown significance (VUSs) have been identified in BRCA genes, which make more difficult the clinical management of the patient and risk assessment. In the last decades, several laboratories have developed different databases that contain more than 2000 variants for the two genes and integrated strategies which include multifactorial prediction models based on direct and indirect genetic evidence, to classify the VUSs and attribute them a clinical significance associated with a deleterious, high/low or neutral risk. This review provides a comprehensive overview of literature studies concerning the VUSs, in order to assess their impact on the population and provide new insight useful for the appropriate patient management in clinical practice.
Fanale D., Pivetti A., Cancelliere D., Spera A., Bono M., Fiorino A., et al. (2022). BRCA1/2 variants of unknown significance in hereditary breast and ovarian cancer (HBOC) syndrome: Looking for the hidden meaning. CRITICAL REVIEWS IN ONCOLOGY HEMATOLOGY, 172 [10.1016/j.critrevonc.2022.103626].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10447/553651
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