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Optimization of cDNA Microarray Experimental Designs Using an Evolutionary Algorithm

Published: 01 October 2008 Publication History

Abstract

The cDNA microarray is an important tool for generating large datasets of gene expression measurements.An efficient design is critical to ensure that the experiment will be able to address relevant biologicalquestions. Microarray experimental design can be treated as a multicriterion optimization problem. For thisclass of problems evolutionary algorithms (EAs) are well suited, as they can search the solution space andevolve a design that optimizes the parameters of interest based on their relative value to the researcher undera given set of constraints. This paper introduces the use of EAs for optimization of experimental designs ofspotted microarrays using a weighted objective function. The EA and the various criteria relevant to designoptimization are discussed. Evolved designs are compared with designs obtained through exhaustive searchwith results suggesting that the EA can find just as efficient optimal or near-optimal designs within atractable timeframe.

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cover image IEEE/ACM Transactions on Computational Biology and Bioinformatics
IEEE/ACM Transactions on Computational Biology and Bioinformatics  Volume 5, Issue 4
October 2008
158 pages

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IEEE Computer Society Press

Washington, DC, United States

Publication History

Published: 01 October 2008
Published in TCBB Volume 5, Issue 4

Author Tags

  1. Evolutionary computing and genetic algorithms
  2. experimental design
  3. global optimization
  4. microarrays

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