Issue 46, 2021

A DiR loaded tumor targeting theranostic cisplatin-icodextrin prodrug nanoparticle for imaging guided chemo-photothermal cancer therapy

Abstract

Imaging-guided diagnosis and chemo-photothermal combination therapy have promising applications for the treatment of cancer. Nevertheless, the accurate diagnosis and efficient treatment of tumors are not yet satisfactory. Herein, a tumor targeting DiR loaded cisplatin-icodextrin prodrug nanoparticle, with selective drug release, was fabricated as a multifunctional theranostic nanoplatform for chemo-photothermal combination therapy. By loading DiR into the hydrophobic domain of folic acid-icodextrin-polycaprolactone (FA-ICO-PCL, FIP) and cisplatin-icodextrin-polycaprolactone (Pt-ICO-PCL, PtIP) co-assembly, the resultant DiR@(PtIP + FIP) (DPtFIP) NPs had a diameter of around 70 nm and showed excellent tumor targeting ability and negligible side effects. Moreover, the DPtFIP NPs achieved real-time NIR fluorescence imaging of solid tumors with high contrast. By the accurate tumor imaging, local laser irradiation dramatically enhanced the chemotherapy for triple-negative breast cancer. Such a biocompatible nanotherapeutic holds great potential for tumor diagnosis and imaging-guided combinational cancer therapy.

Graphical abstract: A DiR loaded tumor targeting theranostic cisplatin-icodextrin prodrug nanoparticle for imaging guided chemo-photothermal cancer therapy

Supplementary files

Article information

Article type
Paper
Submitted
04 9月 2021
Accepted
15 10月 2021
First published
15 10月 2021

Nanoscale, 2021,13, 19399-19411

A DiR loaded tumor targeting theranostic cisplatin-icodextrin prodrug nanoparticle for imaging guided chemo-photothermal cancer therapy

J. Guan, Y. Wu, H. Wang, H. Zeng, Z. Li and X. Yang, Nanoscale, 2021, 13, 19399 DOI: 10.1039/D1NR05824J

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