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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chandratre, Shantanu S. Dash, Alekha K. |
| Copyright Year | 2014 |
| Abstract | The relapse of cancer after first line therapy with anticancer agents is a common occurrence. This recurrence is believed to be due to the presence of a subpopulation of cells called cancer stem cells in the tumor. Therefore, a combination therapy which is susceptible to both types of cells is desirable. Delivery of this combinatorial approach in a nanoparticulate system will provide even a better therapeutic outcome in tumor targeting. The objective of this study was to develop and characterize nanoparticulate system containing two anticancer agents (cyclopamine and paclitaxel) having different susceptibilities toward cancer cells. Both drugs were entrapped in glyceryl monooleate (GMO)-chitosan solid lipid as well as poly(glycolic-lactic) acid (PLGA) nanoparticles. The cytotoxicity studies were performed on DU145, DU145 TXR, and Wi26 A4 cells. The particle size of drug-loaded GMO-chitosan nanoparticles was 278.4 ± 16.4 nm with a positive zeta potential. However, the PLGA particles were 234.5 ± 6.8 nm in size with a negative zeta potential. Thermal analyses of both nanoparticles revealed that the drugs were present in noncrystalline state in the matrix. A sustained in vitro release was observed for both the drugs in these nanoparticles. PLGA blank particles showed no cytotoxicity in all the cell lines tested, whereas GMO-chitosan blank particles showed substantial cytotoxicity. The types of polymer used for the preparation of nanoparticles played a major role and affected the in vitro release, cytotoxicity, and uptake of nanoparticles in the all the cell lines tested. |
| Starting Page | 98 |
| Ending Page | 107 |
| Page Count | 10 |
| File Format | |
| Journal | AAPS PharmSciTech |
| Volume Number | 16 |
| Issue Number | 1 |
| e-ISSN | 15309932 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2014-09-05 |
| Publisher Institution | American Association of Pharmaceutical Scientists |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Pharmacology/Toxicology Biotechnology Biochemistry Pharmacy |
| Content Type | Text |
| Resource Type | Article |
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