1.Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, China
2.College of Physics & Optoelectronic Engineering, Jinan University, Guangzhou, China
3.The MOE Key Laboratory of Tumor Molecular Biology, Jinan University, Guangzhou, China
4.Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
5.Department of Laboratory Medicine, the Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China
6.Department of Interventional Radiology and Vascular Surgery, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
Yang Ran (tranyang@jnu.edu.cn)
Bai-Ou Guan (tguanbo@jnu.edu.cn)
Published:31 October 2024,
Published Online:03 September 2024,
Received:02 March 2024,
Revised:28 July 2024,
Accepted:14 August 2024
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Zhang, Y. K. et al. Fiber-optic drug delivery strategy for synergistic cancer photothermal-chemotherapy. Light: Science & Applications, 13, 2389-2404 (2024).
Zhang, Y. K. et al. Fiber-optic drug delivery strategy for synergistic cancer photothermal-chemotherapy. Light: Science & Applications, 13, 2389-2404 (2024). DOI: 10.1038/s41377-024-01586-z.
Chemotherapy is one of the conventional treatments for cancer in clinical practice. However
poor delivery efficiency
systemic toxicity
and the lack of pharmacokinetic monitoring during treatment are the critical limitations of current chemotherapy. Herein
we reported a brand-new antitumor drug delivery strategy that harnesses an optical fiber endoscopically therapeutic probe. The fiber probe carries photosensitizers in the fiber core and antitumor agents on the fiber surface mediated by a temperature-responsive hydrogel film
giving rise to an activable photothermal-chemotherapy that orchestrates the localized hyperthermia and thermal-stimuli drug release to the tumor lesion. Furthermore
the dynamical drug release and in-situ temperature can be real-time supervised through the built-in fiber sensors
including the reflective Mach–Zehnder interferometer and fiber Bragg grating
to visualize the therapy process and thus improve the safety of treatment. Compared with conventional methods
the fiber-optic drug delivery can adequately take advantage of the chemotherapeutics through collaboratively recruiting the photoheating-mediated enhanced permeability and the hydrogel particle-assisted high drug retention
shedding new light on a "central-to-peripheral" drug pervasion and retention mechanism to destroy tumors completely. The fiber-optic chemotherapy strategy incorporates precise drug delivery
accurate controllability of drug release
high drug permeability and retention in tumor
low off-target rate
and real-time drug release and temperature feedback
performing a straightforward and precise photothermal-chemotherapy pathway. More than that
the proposed strategy holds tremendous promise to provide a revolutionized on-demand drug delivery platform for the highly efficient evaluation and screening of antitumor pharmaceuticals.
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