Abstract |
A doxorubicin-loaded mannitol-functionalized poly(lactide-co-glycolide)-b-D-α-tocopheryl polyethylene glycol 1000 succinate nanoparticles (DOX-loaded M-PLGA-b- TPGS NPs) were prepared by a modified nanoprecipitation method. The NPs were characterized by the particle size, surface morphology, particle stability, in vitro drug release and cellular uptake efficiency. The NPs were near-spherical with narrow size distribution. The size of M-PLGA-b- TPGS NPs was ~110.9 nm (much smaller than ~143.7 nm of PLGA NPs) and the zeta potential was -35.8 mV (higher than -42.6 mV of PLGA NPs). The NPs exhibited a good redispersion since the particle size and surface charge hardly changed during 3-month storage period. In the release medium ( phosphate buffer solution vs. fetal bovine serum), the cumulative drug release of DOX-loaded M-PLGA-b- TPGS, PLGA-b- TPGS, and PLGA NPs were 76.41 versus 83.11 %, 58.94 versus 73.44 % and 45.14 versus 53.12 %, respectively. Compared with PLGA-b- TPGS NPs and PLGA NPs, the M-PLGA-b- TPGS NPs possessed the highest cellular uptake efficiency in A549 and H1975 cells ( lung cancer cells). Ultimately, both in vitro and in vivo antitumor activities were evaluated. The results showed that M-PLGA-b- TPGS NPs could achieve a significantly higher level of cytotoxicity in cancer cells and a better antitumor efficiency on xenograft BALB/c nude mice tumor model than free DOX. In conclusion, the DOX-loaded M-PLGA-b- TPGS could be used as a potential DOX-loaded nanoformulation in lung cancer chemotherapy.
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Authors | Jinxie Zhang, Wei Tao, Yuhan Chen, Danfeng Chang, Teng Wang, Xudong Zhang, Lin Mei, Xiaowei Zeng, Laiqiang Huang |
Journal | Journal of materials science. Materials in medicine
(J Mater Sci Mater Med)
Vol. 26
Issue 4
Pg. 165
(Apr 2015)
ISSN: 1573-4838 [Electronic] United States |
PMID | 25791459
(Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
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Chemical References |
- Antibiotics, Antineoplastic
- Delayed-Action Preparations
- Nanocapsules
- Vitamin E
- Polylactic Acid-Polyglycolic Acid Copolymer
- Polyglycolic Acid
- Lactic Acid
- Polyethylene Glycols
- Doxorubicin
- tocophersolan
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Topics |
- Animals
- Antibiotics, Antineoplastic
(administration & dosage, chemistry)
- Apoptosis
(drug effects)
- Cell Line, Tumor
- Cell Survival
(drug effects)
- Delayed-Action Preparations
(administration & dosage, chemical synthesis)
- Diffusion
- Doxorubicin
(administration & dosage, chemistry)
- Lactic Acid
(chemistry)
- Lung Neoplasms
(drug therapy, pathology)
- Mice
- Mice, Inbred BALB C
- Nanocapsules
(administration & dosage, chemistry)
- Particle Size
- Polyethylene Glycols
(chemistry)
- Polyglycolic Acid
(chemistry)
- Polylactic Acid-Polyglycolic Acid Copolymer
- Treatment Outcome
- Vitamin E
(analogs & derivatives, chemistry)
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