Hierarchical integration of DNA nanostructures and NanoGold onto a microchip facilitates covalent chemistry-mediated purification of circulating tumor cells in head and neck squamous cell carcinoma.
Circulating tumor cell
Covalent chemistry
Head and neck squamous cell carcinoma
NanoGold
Tetrahedral DNA nanostructure
Journal
Nano today
ISSN: 1748-0132
Titre abrégé: Nano Today
Pays: England
ID NLM: 101297352
Informations de publication
Date de publication:
Apr 2023
Apr 2023
Historique:
medline:
1
12
2023
pubmed:
1
12
2023
entrez:
1
12
2023
Statut:
ppublish
Résumé
It is well-established that the combined use of nanostructured substrates and immunoaffinity agents can enhance the cell-capture performance of the substrates, thus offering a practical solution to effectively capture circulating tumor cells (CTCs) in peripheral blood. Developing along this strategy, this study first demonstrated a top-down approach for the fabrication of tetrahedral DNA nanostructure (TDN)-NanoGold substrates through the hierarchical integration of three functional constituents at various length-scales: a macroscale glass slide, sub-microscale self-organized NanoGold, and nanoscale self-assembled TDN. The TDN-NanoGold substrates were then assembled with microfluidic chaotic mixers to give TDN-NanoGold Click Chips. In conjunction with the use of copper (Cu)-catalyzed azide-alkyne cycloaddition (CuAAC)-mediated CTC capture and restriction enzyme-triggered CTC release, TDN-NanoGold Click Chips allow for effective enumeration and purification of CTCs with intact cell morphologies and preserved molecular integrity. To evaluate the clinical utility of TDN-NanoGold Click Chips, we used these devices to isolate and purify CTCs from patients with human papillomavirus (HPV)-positive (+) head and neck squamous cell carcinoma (HNSCC). The purified HPV(+) HNSCC CTCs were then subjected to RT-ddPCR testing, allowing for detection of E6/E7 oncogenes, the characteristic molecular signatures of HPV(+) HNSCC. We found that the resulting HPV(+) HNSCC CTC counts and E6/E7 transcript copy numbers are correlated with the treatment responses in the patients, suggesting the potential clinical utility of TDN-NanoGold Click Chips for non-invasive diagnostic applications of HPV(+) HNSCC.
Identifiants
pubmed: 38037608
doi: 10.1016/j.nantod.2023.101786
pmc: PMC10688595
mid: NIHMS1945169
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : NCI NIH HHS
ID : R01 CA218356
Pays : United States
Organisme : NCI NIH HHS
ID : R21 CA235340
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA255727
Pays : United States
Organisme : NCI NIH HHS
ID : P01 CA233452
Pays : United States
Organisme : NIBIB NIH HHS
ID : U01 EB026421
Pays : United States
Organisme : NCI NIH HHS
ID : R21 CA240887
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA253651
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA246304
Pays : United States
Déclaration de conflit d'intérêts
Declaration of Competing Interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Hsian-Rong Tseng reports a relationship with CytoLumina Technologies Corp. and Pulsar Therapeutics Corp. that includes: board membership.
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