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A novel network model identified a 13-gene lung cancer prognostic signature.


ABSTRACT: This study presents a novel network methodology to identify prognostic gene signatures. Implication networks based on prediction logic are used to construct genome-wide coexpression networks for different disease states. From the differential components associated with specific disease states, candidate genes that are co-expressed with major disease signal hallmarks are selected. From these candidate genes, top genes that are the most predictive of clinical outcome are identified using univariate Cox model and Relief algorithm. Using this approach, a 13-gene lung cancer prognosis signature was identified, which generated significant prognostic stratifications (log-rank P < 0.05) in Director's Challenge Study (n = 442).

SUBMITTER: Guo NL 

PROVIDER: S-EPMC3095973 | biostudies-literature | 2011

REPOSITORIES: biostudies-literature

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A novel network model identified a 13-gene lung cancer prognostic signature.

Guo Nancy Lan NL   Wan Ying-Wooi YW   Bose Swetha S   Denvir James J   Kashon Michael L ML   Andrew Michael E ME  

International journal of computational biology and drug design 20110217 1


This study presents a novel network methodology to identify prognostic gene signatures. Implication networks based on prediction logic are used to construct genome-wide coexpression networks for different disease states. From the differential components associated with specific disease states, candidate genes that are co-expressed with major disease signal hallmarks are selected. From these candidate genes, top genes that are the most predictive of clinical outcome are identified using univariat  ...[more]

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