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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/45817
Title: Aptamer-functionalized DNA nanosphere as a stimuli-responsive nanocarrier
Authors: Supattra Chaithongyot
Nusara Chomanee
Komgrid Charngkaew
Anuttara Udomprasert
Thaned Kangsamaksin
Mahidol University
Faculty of Medicine, Siriraj Hospital, Mahidol University
Burapha University
Keywords: Engineering;Materials Science;Physics and Astronomy
Issue Date: 1-Mar-2018
Citation: Materials Letters. Vol.214, (2018), 72-75
Abstract: © 2017 Elsevier B.V. Smart nanocarriers that can respond to specific signals have recently gained attention in clinical research. Through the scaffolded DNA origami technique, we developed an aptamer-functionalized DNA nanosphere that could change its conformation upon binding to cancer-specific Mucin 1 protein (MUC1). A MUC1 aptamer was added into the lock-and-key system of the DNA nanosphere, and specific binding of the aptamer and MUC1 triggered the opening of the structure. A decrease in FRET signals demonstrated that the DNA nanosphere underwent structural change to the open conformation in response to the MUC1-containing cell lysate. Gold nanoparticles were also successfully encapsulated inside the cavity, implicating its loading ability. Our data confirmed that the aptamer-modified DNA nanosphere has proved to be a responsive nanocarrier and may serve as a promising candidate for cancer theranostic purposes.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85037117866&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/45817
ISSN: 18734979
0167577X
Appears in Collections:Scopus 2018

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