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Proteomics. 2003 Nov;3(11):2190-9.

Microarrays to characterize protein interactions on a whole-proteome scale.

Author information

1
Protometrix, Branford, CT, USA.

Abstract

Protein microarrays contain a defined set of proteins spotted and analyzed at high density, and can be generally classified into two categories; protein profiling arrays and functional protein arrays. Functional protein arrays can be made up of any type of protein, and therefore have a diverse set of useful applications. Advantages of these arrays include low reagent consumption, rapid interpretation of results, and the ability to easily control experimental conditions. The ultimate form of a functional protein array consists of all of the proteins encoded by the genome of an organism; such an array would be the whole proteome equivalent of the whole genome DNA arrays that are now available. While proteome microarrays may not have reached the stage of maturity of DNA microarrays, recent developments have shown that many of the barriers holding back the technology can be overcome. Arrays of this type have already been used to rapidly screen large numbers of proteins simultaneously for biochemical activities, protein-protein interactions, protein-lipid interactions, protein-nucleic acid interactions, and protein-small molecule interactions. Eventually, functional protein arrays will be used to facilitate various steps in the drug discovery and early development processes that are currently bottlenecks in the drug development continuum.

PMID:
14595818
DOI:
10.1002/pmic.200300610
[Indexed for MEDLINE]

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