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Curr Opin Biotechnol. 2003 Dec;14(6):647-51.

Interplay of transcriptomics and proteomics.

Author information

1
Department of Transcriptome Analysis, GlaxoSmithKline Pharmaceutical Research & Development, 1250 South Collegeville Road, Collegeville, PA 19426, USA.

Abstract

Despite the obvious attractions of parallel profiling of transcripts and proteins on a global 'omic' scale, there are practical and biological differences involved in their application. Transcriptomics is now a robust, high-throughput, cost-effective technology capable of simultaneously quantifying tens of thousands of defined mRNA species in a miniaturized, automated format. Conversely, proteomic analysis is currently much more limited in breadth and depth of coverage owing to variations in protein abundance, hydrophobicity, stability, size and charge. Nevertheless, transcriptomic and proteomic data can be compared and contrasted provided the studies are carefully designed and interpreted. Differential splicing, post-translational modifications and data integration are among some of the future challenges to tackle.

PMID:
14662396
DOI:
10.1016/j.copbio.2003.10.006
[Indexed for MEDLINE]

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