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Biotechnol Appl Biochem. 2010 Jun 9;56(2):49-57. doi: 10.1042/BA20100041.

Affibody molecule-mediated depletion of HSA and IgG using different buffer compositions: a 15 min protocol for parallel processing of 1-48 samples.

Author information

1
AlbaNova University Center, Department of Biotechnology, Royal Institute of Technology, SE-106 91 Stockholm, Sweden.

Abstract

High-abundant plasma proteins pose a challenge in a large number of proteomics-based technologies. Depletion of these high-abundant proteins has proven to be a fruitful strategy to circumvent masking of lower-abundant proteins that could serve as valuable biomarker candidates. However, current strategies often do not meet the throughput requirements of large-scale proteomic studies. In the present paper, a flexible and parallelized method for the depletion of high-abundant proteins is described, allowing the removal of the two most abundant proteins from 48 blood-derived samples in less than 15 min using Affibody molecules as affinity ligands. A sample-processing platform like this should be suitable for a number of proteomics technologies; its flexibility in buffer composition allows for different types of downstream applications.

PMID:
20446920
DOI:
10.1042/BA20100041
[Indexed for MEDLINE]

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