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Nat Biotechnol. 2006 Jun;24(6):703-7. Epub 2006 May 14.

A microengraving method for rapid selection of single cells producing antigen-specific antibodies.

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1
Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, Massachusetts 02142, USA. love@cbrinstitute.org

Abstract

Monoclonal antibodies that recognize specific antigens of interest are used as therapeutic agents and as tools for biomedical research. Discovering a single monoclonal antibody requires retrieval of an individual hybridoma from polyclonal mixtures of cells producing antibodies with a variety of specificities. The time required to isolate hybridomas by a limiting serial-dilution, however, has restricted the diversity and breadth of available antibodies. Here we present a soft lithographic method based on intaglio printing to generate microarrays comprising the secreted products of single cells. These engraved arrays enable a rapid (<12 h) and high-throughput (>100,000 individual cells) system for identification, recovery and clonal expansion of cells producing antigen-specific antibodies. This method can be adapted, in principle, to detect any secreted product in a multiplexed manner.

PMID:
16699501
DOI:
10.1038/nbt1210
[Indexed for MEDLINE]
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