Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 31, Pages 34588-34598Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c08315
Keywords
gene therapy; photochemotherapy resistance; hypoxia; ZIF-8; drug delivery
Funding
- National Natural Science Foundation of China [21874103]
- Fundamental Research Funds for the Central Universities [2042018kf0210, 2042019kf0206]
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The integration of combinational photochemotherapy could achieve a promoted therapeutic performance by eliminating the frustrating side effects of each constitute, yet it is still confronted with severe therapeutic resistances that are associated with tumor hypoxia. Herein, we designed a multifunctional gene-therapy-promoted photochemotherapy strategy for specifically alleviating the hypoxia-associated therapeutic resistance. The pH-responsive zeolitic imidazolate framework-8 (ZIF-8) nanoparticles (CDHNs) facilitated the effective delivery of therapeutic agents (chlorin e6 (Ce6), doxorubicin (DOX), and HIF-1 alpha siRNA) into the tumor for relieving specifically photochemotherapy resistance via sequential activation manners under the guidance of fluorescence imaging. The present all-in-one compact CDHNs system provides a smart and versatile multiply gained therapeutic strategy to activate the specific cellular pathways and is anticipated to boost future cancer diagnosis and post-treatment.
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