Abstract:
:Breast and/or ovarian cancer (BOC) are among the most frequently diagnosed forms of hereditary cancers and leading cause of death in India. This emphasizes on the need for a cost-effective method for early detection of these cancers. We sequenced 141 unrelated patients and families with BOC using the TruSight Cancer panel, which includes 13 genes strongly associated with risk of inherited BOC. Multi-gene sequencing was done on the Illumina MiSeq platform. Genetic variations were identified using the Strand NGS software and interpreted using the StrandOmics platform. We were able to detect pathogenic mutations in 51 (36.2%) cases, out of which 19 were novel mutations. When we considered familial breast cancer cases only, the detection rate increased to 52%. When cases were stratified based on age of diagnosis into three categories, ⩽40 years, 40-50 years and >50 years, the detection rates were higher in the first two categories (44.4% and 53.4%, respectively) as compared with the third category, in which it was 26.9%. Our study suggests that next-generation sequencing-based multi-gene panels increase the sensitivity of mutation detection and help in identifying patients with a high risk of developing cancer as compared with sequential tests of individual genes.
journal_name
J Hum Genetjournal_title
Journal of human geneticsauthors
Mannan AU,Singh J,Lakshmikeshava R,Thota N,Singh S,Sowmya TS,Mishra A,Sinha A,Deshwal S,Soni MR,Chandrasekar A,Ramesh B,Ramamurthy B,Padhi S,Manek P,Ramalingam R,Kapoor S,Ghosh M,Sankaran S,Ghosh A,Veeramachanenidoi
10.1038/jhg.2016.4subject
Has Abstractpub_date
2016-06-01 00:00:00pages
515-22issue
6eissn
1434-5161issn
1435-232Xpii
jhg20164journal_volume
61pub_type
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