Journal
LANGMUIR
Volume 37, Issue 8, Pages 2619-2628Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.0c03250
Keywords
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Funding
- National Natural Science Foundation of China [51773162, 21204071, 21702086]
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The study successfully developed ID@HMSNs-B-HA nanoparticles for targeted drug delivery, showing sustained drug release under acidic conditions with effective inhibition of murine mammary carcinoma (4T1) cells through combined chemotherapy and photodynamic therapy. The results indicated that ID@HMSNs-B-HA could be a promising nano-DDS for cancer treatment.
Hollow mesoporous silica nanoparticles (HMSNs) served as nanocarriers for transporting doxorubicin hydrochloride (DOX) and indocyanine green (ICG) and were incorporated into a pH-sensitive targeted drug delivery system (DDS). Boronate ester bonds were employed to link HMSNs and dopamine-modified hyaluronic acid (DA-HA), which acted as both the gatekeeper and targeting agents (HMSNs-B-HA). Well-dispersed HMSNs-B-HA with a diameter of about 170 nm was successfully constructed. The conclusion was drawn from the in vitro drug release experiment that ICG and DOX (ID) co-loaded nanoparticles (ID@HMSNs-B-HA) with high drug loading efficiency could sustain drug release under acidic conditions. More importantly, in vitro cell experiments perfectly showed that ID@HMSNs-B-HA could well inhibit murine mammary carcinoma (4T1) cells via chemotherapy combined with photodynamic therapy and accurately target 4 T1 cells. In summary, all test results sufficiently demonstrated that the prepared ID@HMSNs-B-HA was a promising nano-DDS for cancer photodynamic combined with chemotherapy.
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