國家衛生研究院 NHRI:Item 3990099045/11164
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    题名: Polymer-stabilized micelles reduce the drug rapid clearance in vivo
    作者: Wen, SN;Chu, CH;Wang, YC;Huang, HY;Wang, YJ;Lin, JY;Lu, HT;Wang, SJ;Yang, CS
    贡献者: Institute of Biomedical Engineering and Nanomedicine
    摘要: Micelles are self-assembled nanoscaled aggregates from amphiphilic unimers and can be used to encapsulate hydrophobic drugs. However, the dynamic exchanging of unimers between micelles and bulk solution often leads to micelle destabilization and subsequent leaking of the encapsulated substances. Thus, we incorporated a hydrophobic polymer into the micellar core for interlacing the unimers and stabilizing the micelle structure. The polymer-stabilized and non-polymer-stabilized micelles have similar physicochemical properties including small sizes (~35 nm), negative surface charges (~−35 mV), and high drug contents (~15%). Drugs encapsulated in polymer-stabilized micelles are released in a slower rate than are non-polymer-stabilized micelles. From in vivo pharmacokinetic studies, drugs loaded in polymer-stabilized micelles have lower clearance and higher plasma concentration and lower volume distribution than non-polymer-stabilized micelles have. In conclusion, polymer-stabilized micelles can reduce rapid drug clearance via strengthening of the micellar structure and increase in the available drug amount in plasma, thus broadening pharmaceutical applications of micelles.
    日期: 2018-05-22
    關聯: Journal of Nanomaterials. 2018 May 22;2018:Article number 5818592.
    Link to: https://doi.org/10.1155/2018/5818592
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000434179300001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85059167840
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