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Cancer Res. 2016 Jan 15;76(2):216-26. doi: 10.1158/0008-5472.CAN-15-0484. Epub 2015 Nov 9.

Transcriptome Analysis of Recurrently Deregulated Genes across Multiple Cancers Identifies New Pan-Cancer Biomarkers.

Author information

1
RIKEN Center for Life Science Technologies, Division of Genomic Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan. bogumil.kaczkowski@riken.jp alistair.forrest@gmail.com.
2
RIKEN Center for Life Science Technologies, Division of Genomic Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan. RIKEN Advanced Center for Computing and Communication, Preventive Medicine and Applied Genomics unit, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Japan.
3
RIKEN Center for Life Science Technologies, Division of Genomic Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan. RIKEN Advanced Center for Computing and Communication, Preventive Medicine and Applied Genomics unit, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Japan. RIKEN Preventive Medicine & Diagnosis Innovation Program, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
4
The Bioinformatics Centre, Department of Biology and Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Copenhagen, Denmark.
5
RIKEN Center for Life Science Technologies, Division of Genomic Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan. RIKEN Preventive Medicine & Diagnosis Innovation Program, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
6
RIKEN Center for Life Science Technologies, Division of Genomic Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan. Telethon Kids Institute, the University of Western Australia, Perth, Western Australia, Australia.
7
RIKEN Preventive Medicine & Diagnosis Innovation Program, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
8
RIKEN Center for Life Science Technologies, Division of Genomic Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan.
9
RIKEN Center for Life Science Technologies, Division of Genomic Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan. Harry Perkins Institute of Medical Research, QEII Medical Centre and Centre for Medical Research, the University of Western Australia, Nedlands, Western Australia, Australia. bogumil.kaczkowski@riken.jp alistair.forrest@gmail.com.

Abstract

Genes that are commonly deregulated in cancer are clinically attractive as candidate pan-diagnostic markers and therapeutic targets. To globally identify such targets, we compared Cap Analysis of Gene Expression profiles from 225 different cancer cell lines and 339 corresponding primary cell samples to identify transcripts that are deregulated recurrently in a broad range of cancer types. Comparing RNA-seq data from 4,055 tumors and 563 normal tissues profiled in the The Cancer Genome Atlas and FANTOM5 datasets, we identified a core transcript set with theranostic potential. Our analyses also revealed enhancer RNAs, which are upregulated in cancer, defining promoters that overlap with repetitive elements (especially SINE/Alu and LTR/ERV1 elements) that are often upregulated in cancer. Lastly, we documented for the first time upregulation of multiple copies of the REP522 interspersed repeat in cancer. Overall, our genome-wide expression profiling approach identified a comprehensive set of candidate biomarkers with pan-cancer potential, and extended the perspective and pathogenic significance of repetitive elements that are frequently activated during cancer progression.

PMID:
26552699
DOI:
10.1158/0008-5472.CAN-15-0484
[Indexed for MEDLINE]
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