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Technological University Dublin
Nanotheranostics; Antibody-Drug conjugates; Raman fingerprints; SERS; in vivo; tumor targeting
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Antibody-Drug Gold Nanoantennas With Raman Spectroscopic Fingerprints For In Vivo Tumour Theranostics., Joao Conde, Chenchen Bao, Daxiang Cui, Pedro V. Baptista, Furong Tian
Antibody-Drug Gold Nanoantennas With Raman Spectroscopic Fingerprints For In Vivo Tumour Theranostics., Joao Conde, Chenchen Bao, Daxiang Cui, Pedro V. Baptista, Furong Tian
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Inspired by the ability of SERS nanoantennas to provide an integrated platform to enhance disease targeting in vivo, we developed a highly sensitive probe for in vivo tumoral recognition with the capacity to target specific cancer biomarkers such as epidermal growth factor receptors (EGFR) on human cancer cells and xenograft tumour models. Here, we used ~90 nm gold nanoparticles capped by a Raman reporter, encapsulated and entrapped by larger polymers and a FDA antibody-drug conjugate –Cetuximab (Erbitux®) – that specifically targets EGFR and turns off a main signalling cascade for cancer cells to proliferate and survive. These drug/SERS gold nanoantennas …