A novel strategy for highly efficient isolation and analysis of circulating tumor-specific cell-free DNA from lung cancer patients using a reusable conducting polymer nanostructure
We have developed a reusable nanostructured polypyrrole nanochip and demonstrated its use in the electric field-mediated recovery of circulating cell-free DNA (cfDNA) from the plasma of lung cancer patients. Although cfDNA has been recognized and widely studied as a versatile and promising biomarker for the diagnosis and prognosis of cancers, the lack of efficient strategies to directly isolate cfDNA from the plasma has become a great hindrance to its potential clinical use. As a proof-of-concept study, we demonstrated a technique for the rapid and efficient isolation of cfDNA with high yield and purity. In particular, the synergistic effects of the electro-activity and the nanostructured features of the polypyrrole polymer enabled repeated retrieval of cfDNA using a single platform. Moreover, polypyrrole nanochip facilitated the amplification of tumor-specific DNA fragments from the plasma samples of patients with lung cancer characterized by mutations in exons 21 of the epidermal growth factor receptor gene (EGFR). Overall, the proposed polypyrrole nanochip has enormous potential for industrial and clinical applications with significantly enhanced efficiency in the recovery of tumor-associated circulating cfDNA. This may ultimately contribute to more robust and reliable evaluation of gene mutations in peripheral blood..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2016 |
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| Erschienen: |
2016 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:101 |
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| Enthalten in: |
Biomaterials - 101(2016), Seite 251-257 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lee, HyungJae [VerfasserIn] |
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| doi: |
10.1016/j.biomaterials.2016.06.003 |
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| PPN (Katalog-ID): |
OLC1982379847 |
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| 245 | 1 | 2 | |a A novel strategy for highly efficient isolation and analysis of circulating tumor-specific cell-free DNA from lung cancer patients using a reusable conducting polymer nanostructure |
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| 520 | |a We have developed a reusable nanostructured polypyrrole nanochip and demonstrated its use in the electric field-mediated recovery of circulating cell-free DNA (cfDNA) from the plasma of lung cancer patients. Although cfDNA has been recognized and widely studied as a versatile and promising biomarker for the diagnosis and prognosis of cancers, the lack of efficient strategies to directly isolate cfDNA from the plasma has become a great hindrance to its potential clinical use. As a proof-of-concept study, we demonstrated a technique for the rapid and efficient isolation of cfDNA with high yield and purity. In particular, the synergistic effects of the electro-activity and the nanostructured features of the polypyrrole polymer enabled repeated retrieval of cfDNA using a single platform. Moreover, polypyrrole nanochip facilitated the amplification of tumor-specific DNA fragments from the plasma samples of patients with lung cancer characterized by mutations in exons 21 of the epidermal growth factor receptor gene (EGFR). Overall, the proposed polypyrrole nanochip has enormous potential for industrial and clinical applications with significantly enhanced efficiency in the recovery of tumor-associated circulating cfDNA. This may ultimately contribute to more robust and reliable evaluation of gene mutations in peripheral blood. | ||
| 540 | |a Nutzungsrecht: Copyright © 2016 Elsevier Ltd. All rights reserved. | ||
| 700 | 1 | |a Jeon, SeungHyun |4 oth | |
| 700 | 1 | |a Seo, Jin-Suck |4 oth | |
| 700 | 1 | |a Goh, Sung-Ho |4 oth | |
| 700 | 1 | |a Han, Ji-Youn |4 oth | |
| 700 | 1 | |a Cho, Youngnam |4 oth | |
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