| A new chimeric Drug Delivery nano system (chi-aDDnS) composed of PAMAM G 3.5 dendrimer and liposomes as doxorubicin's carrier. In vitro pharmacological studies. | |
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MedLine Citation:
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PMID: 21780367 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Chimeric advanced Drug Delivery nano Systems (chi-aDDnSs) could be defined as mixed nanosystems due to the combination process of nanobiomaterials and can offer advantages as drug carriers. The role of the release modulator from the liposomal system is undertaken by the dendrimer molecules leading to new pharmacokinetic and, probably, pharmacological properties of the chimeric system. In this work, a conventional DOPC/DPPG liposomal system and a new chi-aDDnS composed of liposomes (DOPC/DPPG) incorporating PAMAM G3,5 has been developed, Doxorubicin (Dox) was loaded in the systems and the final formulations were lyophilized. The physicochemical (spectroscopic and calorimetric) investigation concerning the chi-aDDnS, revealed a strong interaction between both lipophilic and hydrophilic parts of the liposomal membrane and the dendrimer, with the induction of multiple energetic states. These states are probably the basis of higher Dox encapsulation and slower release rate compared to the respective conventional liposome. These results, in conjunction with the increase in TI observed in two investigated cancer cell lines (i.e., MB231 and MCF7), compared to the respective conventional liposomal system and to the free Dox, make this new chi-aDDnS the basic candidate for further in vivo investigations. |
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Authors:
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Konstantinos Gardikis; Dimitrios Fessas; Marco Signorelli; Konstantinos Dimas; Chrisiida Tsimplouli; Maksim Ionov; Costas Demetzos |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of nanoscience and nanotechnology Volume: 11 ISSN: 1533-4880 ISO Abbreviation: J Nanosci Nanotechnol Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-07-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088195 Medline TA: J Nanosci Nanotechnol Country: United States |
Other Details:
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Languages: eng Pagination: 3764-72 Citation Subset: IM |
Affiliation:
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University of Athens, School of Pharmacy, Department of Pharmaceutical Technology, Panepistimioupolis, Zografou, 15771 Athens, Greece. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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