Title |
Dendrimer-Encapsulated Camptothecins: Increased Solubility, Cellular Uptake, and Cellular Retention Affords Enhanced Anticancer Activity In vitro
|
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Published in |
Cancer Research, December 2006
|
DOI | 10.1158/0008-5472.can-06-2066 |
Pubmed ID | |
Authors |
Meredith T. Morgan, Yuka Nakanishi, David J. Kroll, Aaron P. Griset, Michael A. Carnahan, Michel Wathier, Nicholas H. Oberlies, Govindarajan Manikumar, Mansukh C. Wani, Mark W. Grinstaff |
Abstract |
A biocompatible polyester dendrimer composed of the natural metabolites, glycerol and succinic acid, is described for the encapsulation of the antitumor camptothecins, 10-hydroxycamptothecin and 7-butyl-10-aminocamptothecin. The cytotoxicity of the dendrimer-drug complex toward four different human cancer cell lines [human breast adenocarcinoma (MCF-7), colorectal adenocarcinoma (HT-29), non-small cell lung carcinoma (NCI-H460), and glioblastoma (SF-268)] is also reported, and low nmol/L IC(50) values are measured. Cellular uptake and efflux measurements in MCF-7 cells show an increase of 16-fold for cellular uptake and an increase in drug retention within the cell when using the dendrimer vehicle. |
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Geographical breakdown
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India | 3 | 2% |
Russia | 1 | <1% |
Denmark | 1 | <1% |
Egypt | 1 | <1% |
Unknown | 181 | 97% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Ph. D. Student | 51 | 27% |
Student > Master | 30 | 16% |
Researcher | 27 | 14% |
Student > Bachelor | 19 | 10% |
Professor > Associate Professor | 9 | 5% |
Other | 21 | 11% |
Unknown | 30 | 16% |
Readers by discipline | Count | As % |
---|---|---|
Chemistry | 51 | 27% |
Agricultural and Biological Sciences | 30 | 16% |
Biochemistry, Genetics and Molecular Biology | 14 | 7% |
Engineering | 13 | 7% |
Pharmacology, Toxicology and Pharmaceutical Science | 13 | 7% |
Other | 35 | 19% |
Unknown | 31 | 17% |