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Bhak, Jong
KOrean GenomIcs Center
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Whole-genome analysis of a patient with early-stage small-cell lung cancer

Author(s)
Han, J-YLee, Y-SKim, B. C.Lee, G. K.Lee, S.Kim, E-HKim, H-MBhak, Jong Hwa
Issued Date
2014-12
DOI
10.1038/tpj.2014.17
URI
https://scholarworks.unist.ac.kr/handle/201301/11818
Fulltext
http://www.nature.com/tpj/journal/v14/n6/full/tpj201417a.html
Citation
PHARMACOGENOMICS JOURNAL, v.14, no.6, pp.503 - 508
Abstract
We performed whole-genome sequencing (WGS) of a case of early-stage small-cell lung cancer (SCLC) to analyze the genomic features. WGS revealed a lot of single-nucleotide variations (SNVs), small insertion/deletions and chromosomal abnormality. Chromosomes 4p, 5q, 13q, 15q, 17p and 22q contained many block deletions. Especially, copy loss was observed in tumor suppressor genes RB1 and TP53, and copy gain in oncogene hTERT. Somatic mutations were found in TP53 and CREBBP. Novel nonsynonymous (ns) SNVs in C6ORF103 and SLC5A4 genes were also found. Sanger sequencing of the SLC5A4 gene in 23 independent SCLC samples showed another nsSNV in the SLC5A4 gene, indicating that nsSNVs in the SLC5A4 gene are recurrent in SCLC. WGS of an early-stage SCLC identified novel recurrent mutations and validated known variations, including copy number variations. These findings provide insight into the genomic landscape contributing to SCLC development
Publisher
NATURE PUBLISHING GROUP
ISSN
1470-269X
Keyword
CALPAIN-MEDIATED PROTEOLYSISRUBINSTEIN-TAYBI-SYNDROMEIMMUNOHISTOCHEMICAL ANALYSISINCREASED EXPRESSIONADHESION DYNAMICSGENECBPACTIVATIONMUTATIONSLANDSCAPE

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