Studies on effectiveness of PTT on 3D tumor model under microfluidic conditions using aptamer-modified nanoshells
PBN-AR
Instytucja
Wydział Chemiczny (Politechnika Warszawska)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Biosensors & Bioelectronics
ISSN
0956-5663
EISSN
Wydawca
Elsevier BV
DOI
URL
Rok publikacji
2019
Numer zeszytu
Strony od-do
214-221
Numer tomu
126
Identyfikator DOI
Liczba arkuszy
0.5
Słowa kluczowe
en
Photothermal therapy
3D cell culture
Spheroids
Lab-on-a-chip
Microfluidic system
Hollow gold nanoshells
Streszczenia
Język
en
Treść
Herein, we present the research focused on the synthesis and application of aptamer-modified gold nanoshells for photothermal therapy (PTT). NIR-absorbing hollow gold nanoshells were synthetized and conjugated with anti-MUC1 aptamer (HGNs@anti−MUC1). MUC1 (Mucin 1) is a transmembrane glycoprotein, which is overexpressed in a variety of epithelial cancers (eg. breast, lung, pancreatic). In order to evaluate the efficiency of PTT with HGNs@anti−MUC1 we used 3D cell culture model – multicellular spheroids. The selected cell culture model is considered as the best in vitro model for cancer research (similar morphology, metabolite and oxygen gradients, cellular interactions and cell growth kinetics in the spheroids are similar to the early stage of a nonvascular tumor). We conducted our research on human normal (MRC-5, MCF-10A) and tumor (A549, MCF-7) cell lines using a microfluidic system. Aptamer-modified nanoparticles were accumulated selectively in tumor cells (A549, MCF-7) and this fact contributed to the reduction of tumor spheroids viability and size. It should be underlined, that it is the first example of photothermal therapy carried out in a microsystem on multicellular spheroids.
Inne
System-identifier
WUT5884a17394bb45c98e28bcc1476d8a06
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