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Targeting of Micelles and Liposomes Loaded with the Pro-Apoptotic Drug, NCL-240, into NCI/ADR-RES Cells in a 3D Spheroid Model.
- Source :
- Pharmaceutical Research; Oct2016, Vol. 33 Issue 10, p2540-2551, 12p, 1 Chart, 5 Graphs
- Publication Year :
- 2016
-
Abstract
- Purpose: To develop transferrin (Tf)-targeted delivery systems for the pro-apoptotic drug, NCL-240, and to evaluate the efficacy of this delivery system in ovarian cancer NCI/ADR-RES cells, grown in vitro in a 3D spheroid model. Methods: Tf-targeted PEG-PE-based micellar and ePC/CHOL-based liposomal delivery systems for NCL-240 were prepared. NCI/ADR-RES cells were used to generate spheroids by a non-adhesive liquid overlay technique. Spheroid growth and development were monitored by size (diameter) analysis and H&E staining. The targeted formulations were compared to untargeted ones in terms of their degree of spheroid association and penetration. A cell viability analysis with NCL-240-loaded micelles and liposomes was performed to assess the effectiveness of Tf-targeting. Results: Tf-targeted polymeric micelles and Tf-targeted liposomes loaded with NCL-240 were prepared. NCI/ADR-RES cells generated spheroids that demonstrated the presence of a distinct necrotic core along with proliferating cells in the spheroid periphery, partly mimicking in vivo tumors. The Tf-targeted micelles and liposomes had a deeper spheroid penetration as compared to the untargeted delivery systems. Cell viability studies using the spheroid model demonstrated that Tf-mediated targeting markedly improved the cytotoxicity profile of NCL-240. Conclusion: Transferrin targeting enhanced delivery and effectiveness of micelles and liposomes loaded with NCL-240 against NCI/ADR-RES cancer cells in a 3D spheroid model. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 07248741
- Volume :
- 33
- Issue :
- 10
- Database :
- Complementary Index
- Journal :
- Pharmaceutical Research
- Publication Type :
- Academic Journal
- Accession number :
- 117761203
- Full Text :
- https://doi.org/10.1007/s11095-016-1978-1