2008
DOI: 10.1002/anie.200800216
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Enrichment of Cell‐Targeting and Population‐Specific Aptamers by Fluorescence‐Activated Cell Sorting

Abstract: A class above: 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.

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Cited by 163 publications
(120 citation statements)
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“…Thereby, DNA aptamers against Burkitt lymphoma cells were successfully selected. 21 However, using this technique, several important target specific aptamers, which were taken up in the cells during the selection, can also be eliminated. This is disadvantageous particularly in the early rounds of selection, since the target binding sequences are not enriched in a sufficient amount.…”
Section: Resultsmentioning
confidence: 99%
“…Thereby, DNA aptamers against Burkitt lymphoma cells were successfully selected. 21 However, using this technique, several important target specific aptamers, which were taken up in the cells during the selection, can also be eliminated. This is disadvantageous particularly in the early rounds of selection, since the target binding sequences are not enriched in a sufficient amount.…”
Section: Resultsmentioning
confidence: 99%
“…Ап-тамер представляет собой короткую олигонукле-отидную последовательность, которая связыва-ется с соответствующими лигандами с высоким сродством и специфичностью [23]. Аптамеры могут специфически связываться с пептидами, белками, лекарственными препаратами, органи-ческими и неорганическими молекулами и даже целыми клетками [24][25][26][27]. С помощью техноло-гии систематической эволюции лигандов экспо-ненциальным обогащением SELEX (systematic evolution of ligands by exponential enrichment) по-лучены аптамеры с высоким сродством к ЕРСs, которые после иммобилизации на полимерных дисках в экспериментах in vitro продемонстри-ровали эффективный захват ЕРСs, дифферен-циирующиеся в эндотелий-подобные клетки в течение 10 дней [28].…”
Section: эндотелизация In Situ с помощью захвата эн-дотелиальных прогunclassified
“…This method does not require prior knowledge of targets and would, in principle, generate nucleic acid aptamers for multiple targets simultaneously on the cell surface. Until now, nucleic acid aptamers specific to a number of cell lines, including a T-cell line (human acute lymphoblastic leukemia), B-cell line (human Burkitt lymphoma), and mouse liver hepatoma cell line, have been reported [Shangguan et al, 2006;Raddatz et al, 2008;Shangguan et al, 2008]. One problem with the conventional SELEX technique is that undesired sequences bind to the solid support such that the target becomes immobilized, causing negative selection to be performed.…”
Section: Cell-selexmentioning
confidence: 99%
“…Dead cells are known to strongly and independently absorb nucleic acid sequences, interfering with enrichment of the target aptamers. To solve this problem, a method using fluorescence-activated cell sorting (FACS) has been developed [Raddatz et al, 2008]. Use of FACS enables dead cells to be removed and active and inactive species to be separated at the same time.…”
Section: Cell-selexmentioning
confidence: 99%