Ayoglu B, Häggmark A, Neiman M, Igel U, Uhlén M, Schwenk JM, Nilsson P
Expert Rev. Mol. Diagn. 11 (2) 219-234 [2011-03-00; online 2011-03-17]
Current approaches within affinity-based proteomics are driven both by the accessibility and availability of antigens and capture reagents, and by suitable multiplexed technologies onto which these are implemented. By combining planar microarrays and other multiparallel systems with sets of reagents, possibilities to discover new and unpredicted protein-disease associations, either via directed hypothesis-driven or via undirected hypothesis-generating target selection, can be created. In the following stages, the discoveries made during these screening phases have to be verified for potential clinical relevance based on both technical and biological aspects. The use of affinity tools throughout discovery and verification has the potential to streamline the introduction of new markers, as transition into clinically required assay formats appears straightforward. In this article, we summarize some of the current building blocks within array- and affinity-based proteomic profiling with a focus on body fluids, by giving a perspective on how current and upcoming developments in this bioscience could enable a path of pursuit for biomarker discovery.
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