M13 Bacteriophage-Polymer Nanoassemblies as Drug Delivery Vehicles
Poly(caprolactone-b-2-vinylpyridine) (PCL P2VP) coated with folate-conjugated M13 (FA M13) provides a nanosized delivery system which is capable of encapsulating hydrophobic antitumor drugs such as doxorubicin (DOX). The DOX-loaded FA M13 PCL P2VP assemblies had an average diameter of approximately...
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| creator | Suthiwangcharoen, Nisaraporn Li, Tao Li, Kai Thompson, Preston You, Shaojin Wang, Qian |
| description | Poly(caprolactone-b-2-vinylpyridine) (PCL P2VP) coated with folate-conjugated M13 (FA M13) provides a nanosized delivery system which is capable of encapsulating hydrophobic antitumor drugs such as doxorubicin (DOX). The DOX-loaded FA M13 PCL P2VP assemblies had an average diameter of approximately 200 nm and their structure was characterized using transmission electron microscopy, scanning electron microscopy, and dynamic light scattering. The particles were stable at physiological pH but could be degraded at a lower pH. The release of DOX from the nanoassemblies under acidic conditions was shown to be significantly faster than that observed at physiological pH. In addition, the DOX-loaded FA M13 PCL P2VP particles showed a distinctly greater cellular uptake and cytotoxicity against folate-receptor-positive cancer cells than folatereceptor- negative cells, indicating that the receptor facilitates folate uptake via receptor-mediated endocytosis. Furthermore, the DOX-loaded particles also had a significantly higher tumor uptake and selectivity compared to free DOX. This study therefore offers a new way to fabricate nanosized drug delivery vehicles.
Published in Nano Research, v4 n5 p483-493, 2011. ISSN 1998-0124. |
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Published in Nano Research, v4 n5 p483-493, 2011. ISSN 1998-0124.</description><language>eng</language><subject>ACETONES ; BACTERIOPHAGE M13 ; CELLS(BIOLOGY) ; CYTOTOXINS ; DOX(DOXORUBICIN) DRUG DELIVERY VEHICLES ; DRUGS ; IN VITRO ANALYSIS ; NANOASSEMBLIES ; NANOTECHNOLOGY ; PE611102 ; PH FACTOR ; Pharmacology ; Polymer Chemistry ; POLYMERS ; PYRIDINES ; REPRINTS</subject><creationdate>2011</creationdate><rights>Approved for public release; distribution is unlimited.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,780,885,27567,27568</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA580311$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Suthiwangcharoen, Nisaraporn</creatorcontrib><creatorcontrib>Li, Tao</creatorcontrib><creatorcontrib>Li, Kai</creatorcontrib><creatorcontrib>Thompson, Preston</creatorcontrib><creatorcontrib>You, Shaojin</creatorcontrib><creatorcontrib>Wang, Qian</creatorcontrib><creatorcontrib>SOUTH CAROLINA UNIV COLUMBIA DEPT OF CHEMISTRY AND BIOCHEMISTRY</creatorcontrib><title>M13 Bacteriophage-Polymer Nanoassemblies as Drug Delivery Vehicles</title><description>Poly(caprolactone-b-2-vinylpyridine) (PCL P2VP) coated with folate-conjugated M13 (FA M13) provides a nanosized delivery system which is capable of encapsulating hydrophobic antitumor drugs such as doxorubicin (DOX). The DOX-loaded FA M13 PCL P2VP assemblies had an average diameter of approximately 200 nm and their structure was characterized using transmission electron microscopy, scanning electron microscopy, and dynamic light scattering. The particles were stable at physiological pH but could be degraded at a lower pH. The release of DOX from the nanoassemblies under acidic conditions was shown to be significantly faster than that observed at physiological pH. In addition, the DOX-loaded FA M13 PCL P2VP particles showed a distinctly greater cellular uptake and cytotoxicity against folate-receptor-positive cancer cells than folatereceptor- negative cells, indicating that the receptor facilitates folate uptake via receptor-mediated endocytosis. Furthermore, the DOX-loaded particles also had a significantly higher tumor uptake and selectivity compared to free DOX. This study therefore offers a new way to fabricate nanosized drug delivery vehicles.
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Published in Nano Research, v4 n5 p483-493, 2011. ISSN 1998-0124.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACETONES BACTERIOPHAGE M13 CELLS(BIOLOGY) CYTOTOXINS DOX(DOXORUBICIN) DRUG DELIVERY VEHICLES DRUGS IN VITRO ANALYSIS NANOASSEMBLIES NANOTECHNOLOGY PE611102 PH FACTOR Pharmacology Polymer Chemistry POLYMERS PYRIDINES REPRINTS |
| title | M13 Bacteriophage-Polymer Nanoassemblies as Drug Delivery Vehicles |
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