A set of external reference controls/probes that enable quality assurance between different microarray platforms

RNA external standards, although important to ensure equivalence across many microarray platforms, have yet to be fully implemented in the research community. In this article, a set of unique RNA external standards (or RNA standards) and probe pairs that were added to total RNA in the samples before...

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Bibliographic Details
Published in:	Analytical biochemistry Vol. 472; pp. 75 - 83
Main Authors:	Akiyama, Hideo, Ueda, Yoji, Nobumasa, Hitoshi, Ooshima, Hiroyuki, Ishizawa, Yohei, Kitahiro, Koji, Miyagawa, Isao, Watanabe, Kazufumi, Nakamura, Takazumi, Tanaka, Ritsuka, Yamamoto, Nobuko, Nakae, Hiroki, Kawase, Mitsuo, Gemma, Nobuhiro, Sekiguchi, Yuji, Fujibuchi, Wataru, Matoba, Ryo
Format:	Journal Article
Language:	English
Published:	United States Elsevier Inc 01-03-2015
Subjects:	Cross-platform DNA microarray Dynamic range External RNA standards Models, Chemical Multiplatform calibration Oligonucleotide Array Sequence Analysis - methods Oligonucleotide Array Sequence Analysis - standards Reference Standards RNA Probes - chemistry DNA microarray Dynamic range Cross-platform External RNA standards Multiplatform calibration
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Summary:	RNA external standards, although important to ensure equivalence across many microarray platforms, have yet to be fully implemented in the research community. In this article, a set of unique RNA external standards (or RNA standards) and probe pairs that were added to total RNA in the samples before amplification and labeling are described. Concentration–response curves of RNA external standards were used across multiple commercial DNA microarray platforms and/or quantitative real-time polymerase chain reaction (RT–PCR) and next-generation sequencing to identify problematic assays and potential sources of variation in the analytical process. A variety of standards can be added in a range of concentrations spanning high and low abundances, thereby enabling the evaluation of assay performance across the expected range of concentrations found in a clinical sample. Using this approach, we show that we are able to confirm the dynamic range and the limit of detection for each DNA microarray platform, RT–PCR protocol, and next-generation sequencer. In addition, the combination of a series of standards and their probes was investigated on each platform, demonstrating that multiplatform calibration and validation is possible.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0003-2697 1096-0309
DOI:	10.1016/j.ab.2014.11.012