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Current Clinical Pharmacology


ISSN (Print): 1574-8847
ISSN (Online): 2212-3938

Exploratory Study on the Effects of Biodegradable Nanoparticles with Drugs on Malignant B Cells and on a Human/Mouse Model of Burkitt Lymphoma

Author(s): Gustavo H. Marin, Eduardo Mansilla, Nelly Mezzaroba, Sonia Zorzet, Luis Nunez, Gustavo Larsen, Jose M. Tau, Alberto Maceira, Ruben Spretz, Carol Mertz, Sabrina Ingrao, Claudio Tripodo, Francesco Tedesco and Paolo Macor

Volume 5, Issue 4, 2010

Page: [246 - 250] Pages: 5

DOI: 10.2174/157488410793352058

Price: $65


The aim of this study was to determine if Rituximab coated Biodegradable Nanoparticles (BNPs) loaded with Chlorambucil and Hydroxychloroquine could induce apoptosis of B-Chronic Lymphocytic Leukemia (B-CLL), MEC-1 and BJAB cells in vitro and evaluate their toxic and therapeutic effects on a Human/Mouse Model of Burkitt Lymphoma at an exploratory, proof of concept scale. We found that Rituximab-Chlorambucil-Hydroxychloroquine BNPs induce a decrease in cell viability of malignant B cells in a dose-dependent manner. The mediated cytotoxicity resulted from apoptosis, and was confirmed by monitoring the B-CLL cells after Annexin V/propidium iodide staining. Additional data revealed that these BNPs were non toxic for healthy animals, and had prolonged survival in this mice model of human lymphoma.

Keywords: B cells, CLL, lymphoma, nanoparticles, chlorambucil, hydroxychloroquine, rituximab.

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