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Autonomous in Vitro Anticancer Drug Release from Mesoporous Silica Nanoparticles by pH-Sensitive Nanovalves
Mesoporous silica nanoparticles (MSNP) have proven to be an extremely effective solid support for controlled drug delivery on account of the fact that their surfaces can be easily functionalized in order to control the nanopore openings. We have described recently a series of mechanized silica nanop...
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Published in: | Journal of the American Chemical Society 2010-09, Vol.132 (36), p.12690-12697 |
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container_end_page | 12697 |
container_issue | 36 |
container_start_page | 12690 |
container_title | Journal of the American Chemical Society |
container_volume | 132 |
creator | Meng, Huan Xue, Min Xia, Tian Zhao, Yan-Li Tamanoi, Fuyuhiko Stoddart, J. Fraser Zink, Jeffrey I Nel, Andre E |
description | Mesoporous silica nanoparticles (MSNP) have proven to be an extremely effective solid support for controlled drug delivery on account of the fact that their surfaces can be easily functionalized in order to control the nanopore openings. We have described recently a series of mechanized silica nanoparticles, which, under abiotic conditions, are capable of delivering cargo molecules employing a series of nanovalves. The key question for these systems has now become whether they can be adapted for biological use through controlled nanovalve opening in cells. Herein, we report a novel MSNP delivery system capable of drug delivery based on the function of β-cyclodextrin (β-CD) nanovalves that are responsive to the endosomal acidification conditions in human differentiated myeloid (THP-1) and squamous carcinoma (KB-31) cell lines. Furthermore, we demonstrate how to optimize the surface functionalization of the MSNP so as to provide a platform for the effective and rapid doxorubicin release to the nuclei of KB-31 cells. |
doi_str_mv | 10.1021/ja104501a |
format | article |
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Herein, we report a novel MSNP delivery system capable of drug delivery based on the function of β-cyclodextrin (β-CD) nanovalves that are responsive to the endosomal acidification conditions in human differentiated myeloid (THP-1) and squamous carcinoma (KB-31) cell lines. 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Fraser</creatorcontrib><creatorcontrib>Zink, Jeffrey I</creatorcontrib><creatorcontrib>Nel, Andre E</creatorcontrib><title>Autonomous in Vitro Anticancer Drug Release from Mesoporous Silica Nanoparticles by pH-Sensitive Nanovalves</title><title>Journal of the American Chemical Society</title><addtitle>J. Am. Chem. Soc</addtitle><description>Mesoporous silica nanoparticles (MSNP) have proven to be an extremely effective solid support for controlled drug delivery on account of the fact that their surfaces can be easily functionalized in order to control the nanopore openings. We have described recently a series of mechanized silica nanoparticles, which, under abiotic conditions, are capable of delivering cargo molecules employing a series of nanovalves. The key question for these systems has now become whether they can be adapted for biological use through controlled nanovalve opening in cells. 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Furthermore, we demonstrate how to optimize the surface functionalization of the MSNP so as to provide a platform for the effective and rapid doxorubicin release to the nuclei of KB-31 cells.</description><subject>3T3-L1 Cells</subject><subject>Animals</subject><subject>Antineoplastic Agents - chemistry</subject><subject>Antineoplastic Agents - pharmacology</subject><subject>beta-Cyclodextrins - chemistry</subject><subject>Cell Death - drug effects</subject><subject>Cell Proliferation - drug effects</subject><subject>Cells, Cultured</subject><subject>Drug Delivery Systems</subject><subject>Drug Screening Assays, Antitumor</subject><subject>Humans</subject><subject>Hydrogen-Ion Concentration</subject><subject>Mice</subject><subject>Nanostructures - chemistry</subject><subject>Particle Size</subject><subject>Porosity</subject><subject>Silicon Dioxide - chemistry</subject><subject>Surface Properties</subject><issn>0002-7863</issn><issn>1520-5126</issn><issn>1520-5126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNptkU1v1DAQhi1ERZeFA38A-YIQh8D4I3FyQVqVjyK1IFHgas1mJ8VLYgc7Wan_vl62rIrEyRq_z7xjz8vYMwGvBUjxZosCdAkCH7CFKCUUpZDVQ7YAAFmYulKn7HFK21xqWYtH7FSCEbWu5IL9Ws1T8GEIc-LO8x9uioGv_ORa9C1F_i7O1_wr9YSJeBfDwC8phTHEfcOV6zPHP6MPI8bc01Pi6xs-nhdX5JOb3I7-qDvsd5SesJMO-0RP784l-_7h_bez8-Liy8dPZ6uLArWBqaCK6kZiszaNAo1mQxLWnal13dQbVJusU9mqtqXO6Eqh3N9CUwnIWgegluztwXec1wNtWvJTxN6O0Q0Yb2xAZ_9VvPtpr8POKiGqKlsu2cs7gxh-z5QmO7jUUt-jp_xva0oNUmllMvnqQLYxpBSpO04RYPfZ2GM2mX1-_1lH8m8YGXhxALBNdhvm6POW_mN0C9fSmEE</recordid><startdate>20100915</startdate><enddate>20100915</enddate><creator>Meng, Huan</creator><creator>Xue, Min</creator><creator>Xia, Tian</creator><creator>Zhao, Yan-Li</creator><creator>Tamanoi, Fuyuhiko</creator><creator>Stoddart, J. 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source | American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list) |
subjects | 3T3-L1 Cells Animals Antineoplastic Agents - chemistry Antineoplastic Agents - pharmacology beta-Cyclodextrins - chemistry Cell Death - drug effects Cell Proliferation - drug effects Cells, Cultured Drug Delivery Systems Drug Screening Assays, Antitumor Humans Hydrogen-Ion Concentration Mice Nanostructures - chemistry Particle Size Porosity Silicon Dioxide - chemistry Surface Properties |
title | Autonomous in Vitro Anticancer Drug Release from Mesoporous Silica Nanoparticles by pH-Sensitive Nanovalves |
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