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A breast cancer prognostic signature predicts clinical outcomes in multiple tumor types.

Authors
Wan-YW; Qian-Y; Rathnagiriswaran-S; Castranova-V; Guo-NL
Source
Oncol Rep 2010 Aug; 24(2):489-494
NIOSHTIC No.
20037259
Abstract
Epidemiological studies indicate an increased risk of subsequent primary ovarian cancer from women with breast cancer. We have recently identified a 28-gene expression signature that predicts, with high accuracy, the clinical course in a large population of breast cancer patients. This prognostic gene signature also accurately predicts response to chemotherapy commonly used for treating breast cancer, including CMF, Tamoxifen, Paclitaxel, Docetaxel and Doxorubicin (Adriamycin), in a panel of 60 cancer cell lines of nine different tissue origins. This prompted us to investigate whether this prognostic gene signature could also predict clinical outcome in other cancer types of epithelial origins, including ovarian cancer (n=124), colon tumors (n=74) and lung adenocarcinomas (n=442). The results show that the gene expression signature contributes significantly more accurate (P<0.05; compared with random prediction) prognostic information in multiple cancer types independent of established clinical parameters. Furthermore, the functional pathway analysis with curated database delineated a biological network with tight connections between the signature genes and numerous well established cancer hallmarks, indicating important roles of this prognostic gene signature in tumor genesis and progression.
Keywords
Epidemiology; Cancer; Women; Genetics; Genetic-factors; Genes; Cell-function; Breast-cancer; Respiratory-system-disorders; Pulmonary-system-disorders; Pulmonary-system; Pulmonary-disorders; Reproductive-system-disorders; Lung-cancer; Gastrointestinal-system-disorders; Author Keywords: prognostic gene signature; breast cancer; ovarian cancer; colon cancer; lung adenocarcinoma
Contact
Dr Nancy L. Guo, 2816 Mary Babb Randolph Cancer Center/Community Medicine, West Virginia University, Morgantown, WV 26506-9300, USA
CODEN
OCRPEW
Publication Date
20100801
Document Type
Journal Article
Email Address
lguo@hsc.wvu.edu
Fiscal Year
2010
NTIS Accession No.
NTIS Price
Issue of Publication
2
ISSN
1021-335X
NIOSH Division
HELD
Source Name
Oncology Reports
State
WV
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