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Enrichment of cell-targeting and population-specific aptamers by fluorescent-activated cell sorting

Raddatz, M.S.L. and Dolf, A. and Endl, E. and Knolle, P. and Famulok, M. and Mayer, G. (2008) Enrichment of cell-targeting and population-specific aptamers by fluorescent-activated cell sorting. Agewandte Chemie-International Edition, 47 (28). pp. 5190-5193. ISSN 1433-7851

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Abstract

In a sophisticated approach to the systematic evolution of ligands by exponential enrichment (SELEX) of cell-type-specific nucleic acid aptamers, the title technique was combined with the use of combinatorial nucleic acid libraries to target a defined subpopulation within composite mixtures of cells (see picture). The ssDNA library after 10 selection cycles bound vital Burkitt lymphoma cells more effectively than the starting library.