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- Identification of DNA aptamers toward epithelial cell adhesion molecule via Cell-SELEX
- Ji Won Kim; Eun Young Kim; Sun Young Kim; Sang Kyung Byun; Dasom Lee; Kyoung Jin Oh; Won Kon Kim; Baek Soo Han; Seung-Wook Chi; Sang Chul Lee; Kwang-Hee Bae
- Bibliographic Citation
- Molecules and Cells, vol. 37, no. 10, pp. 742-746
- Publication Year
- The epithelial cell adhesion molecule (EpCAM, also known as CD326) is a transmembrane glycoprotein that is specifically detected in most adenocarcinomas and cancer stem cells. In this study, we performed a Cell systematic evolution of ligands by exponential enrichment (SELEX) experiment to isolate the aptamers against EpCAM. After seven round of Cell SELEX, we identified several aptamer candidates. Among the selected aptamers, EP166 specifically binds to cells expressing EpCAM with an equilibrium dissociation constant (Kd) in a micromolar range. On the other hand, it did not bind to negative control cells. Moreover, EP166 binds to J1ES cells, a mouse embryonic stem cell line. Therefore, the isolated aptamers against EpCAM could be used as a stem cell marker or in other applications in both stem cell and cancer studies.
- aptamerEpCAMSELEXstem cell marker
- Korea Soc-Assoc-Inst
- Appears in Collections:
- Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
Division of Research on National Challenges > Biodefense Research Center > 1. Journal Articles
Division of Biomedical Research > 1. Journal Articles
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