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Front Biosci (Elite Ed). 2010 Jan 1;2:325-38.

Microarray probes and probe sets.

Author information

1
Department of Biostatistics, Georgetown University Medical Center, Washington, DC 20007, USA.

Abstract

DNA microarrays have gained wide use in biomedical research by simultaneously monitoring the expression levels of a large number of genes. The successful implementation of DNA microarray technologies requires the development of methods and techniques for the fabrication of microarrays, the selection of probes to represent genes, the quantification of hybridization, and data analysis. In this paper, we concentrate on probes that are either spotted or synthesized on the glass slides through several aspects: sources of probes, the criteria for selecting probes, tools available for probe selections, and probes used in commercial microarray chips. We then provide a detailed review of one type of DNA microarray: Affymetrix GeneChips, discuss the need to re-annotate probes, review different methods for regrouping probes into probe sets, and compare various redefinitions through public available datasets.

PMID:
20036881
PMCID:
PMC3902802
[Indexed for MEDLINE]
Free PMC Article

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