Author:
Hartman Tiffiney R.,Demidova Elena V.,Lesh Randy W.,Hoang Lily,Richardson Marcy,Forman Andrea,Kessler Lisa,Speare Virginia,Golemis Erica A.,Hall Michael J.,Daly Mary B.,Arora Sanjeevani
Abstract
AbstractPathogenic variants (PVs) in multiple genes are known to increase the risk of early-onset renal cancer (eoRC). However, many eoRC patients lack PVs in RC-specific genes; thus, their genetic risk remains undefined. Here, we determine if PVs in DNA damage response and repair (DDRR) genes are enriched in eoRC patients undergoing cancer risk assessment. Retrospective review of de-identified results from 844 eoRC patients, undergoing testing with a multi-gene panel, for a variety of indications, by Ambry Genetics. PVs in cancer-risk genes were identified in 12.8% of patients—with 3.7% in RC-specific, and 8.55% in DDRR genes. DDRR gene PVs were most commonly identified in CHEK2, BRCA1, BRCA2, and ATM. Among the 2.1% of patients with a BRCA1 or BRCA2 PV, < 50% reported a personal history of hereditary breast or ovarian-associated cancer. No association between age of RC diagnosis and prevalence of PVs in RC-specific or DDRR genes was observed. Additionally, 57.9% patients reported at least one additional cancer; breast cancer being the most common (40.1% of females, 2.5% of males). Multi-gene testing including DDRR genes may provide a more comprehensive risk assessment in eoRC patients. Further validation is needed to characterize the association with eoRC.
Funder
Russian Government to support the Program of Competitive Growth of Kazan Federal University
NIH R01
Colorectal Cancer Alliance
NCI Core Grant P30
DOD
Publisher
Springer Science and Business Media LLC
Cited by
15 articles.
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