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Abstract:
Photodynamic therapy (PDT) was hindered by the poor water solubility and long-enduring photoactivities of photosensitizers. Here, we developed a novel controllable photodynamic agent CPHI based on beta-cyclodextrin modified polyamidoamine (PAMAM) dendrimer (CP) co-delivery of indocyanine green (ICG) and hematoporphyrin (HP). The CPHI possessed appropriate particle sizes and zeta potentials, considerable photostability, and NIR-triggered release property. The fluorescence of HP could be quenched by ICG when HP and ICG were co-loaded inside the CP, and the quenching efficiency was related with the weight ratio of HP and ICG. When the feeding weight proportion of HP and ICG is 1/10, the fluorescence of HP was quenched by 87.3% in CPHI. Under 808 run laser irradiation, the ICG in CP was degraded, and the fluorescence of HP could recover. The recovered HP was capable of generating reactive oxygen species (ROS) for PDT with 606 nm laser irradiation. The cytotoxicity and cell apoptosis studies showed that CPHI could effectively induce MCF-7 cells apoptosis with PDT effects under 808/660 run laser. These results suggested that CPHI could be an efficient cancer therapeutic agent for controllable PDT with low dark toxicity.
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DYES AND PIGMENTS
ISSN: 0143-7208
Year: 2018
Volume: 154
Page: 8-20
4 . 0 1 8
JCR@2018
4 . 1 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
ESI HC Threshold:209
JCR Journal Grade:1
CAS Journal Grade:1
Cited Count:
WoS CC Cited Count: 15
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
Affiliated Colleges: