Journal
COLLOIDS AND SURFACES B-BIOINTERFACES
Volume 229, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.colsurfb.2023.113437
Keywords
Ferritin; AS1411 aptamer; Paclitaxel; Indocyanine green; Chemo-phototherapy
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The development of a biocompatible nanoplatform containing indocyanine green (ICG) and paclitaxel (PTX) significantly enhances the effectiveness of combined chemo/photothermal/photodynamic therapy against tumors. The nanoplatform effectively delivers both drugs to the target site, and under near-infrared (NIR) light irradiation, it enhances the photothermal effect and internalization of ICG, as well as the production of reactive oxygen species in cancer cells. This study demonstrates the potential application of the dual-targeting HAS1411 nanocarrier in cancer therapy.
The combination of phototherapy and chemotherapy has become attractive and effective cancer treatment. However, the accurate delivery of both chemo-phototherapy drugs to the target site as well as the development of high-efficient phototherapy and chemotherapy drugs remain major challenges. In this study, indocyanine green (ICG) and paclitaxel (PTX)-loaded aptamer ferritin (HAS1411-PTX-ICG) was developed as a biocompatible nanoplatform for combined chemo/photothermal/photodynamic (PTT/PDT) therapy that was safe and highly effective against tumors. HAS1411 was prepared by coupling aptamer AS1411 to the surface of human H chain ferritin (HFtn) by the carbon diimide method to further enhance the targeting of HFtn. Both ICG and PTX were effectively encapsulated in the HAS1411 by incubation at 60 celcius. Moreover, under near-infrared (NIR) light irradiation, HAS1411 enhanced the photothermal effect and cell internalization of ICG, as well as the production of reactive oxygen species in cancer cells. HAS1411-PTX-ICG displayed effective cytotoxicity and a significant tumor spheroids inhibitory effect owning to the improved internalization of PTX and ICG mediated by TfR1 and nucleolin dual receptors. Co-loaded PTX combined with ICG can produce chemo/PTT/PDT under near-infrared (NIR) light irradiation, enhancing the anti-tumor effect. The dual-targeting HAS1411 nanocarrier developed in this study can be a promising delivery system for cancer therapy and the fabricated HAS1411-PTX-ICG possesses potential application in chemo-phototherapy.
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