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Bone-targeted polymeric nanoparticles as alendronate carriers for potential osteoporosis treatment

  • Chunlan Jing
  • , Shenmao Chen
  • , Sehajdev Singh Bhatia
  • , Bowen Li
  • , Hongze Liang
  • , Chaozong Liu*
  • , Zhenjiang Liang
  • , Junying Liu
  • , Haiyan Li
  • , Ziyu Liu*
  • , Hui Tan*
  • , Lingling Zhao*
  • *此作品的通讯作者
  • Ningbo University
  • University College London
  • James Paget University Hospitals NHS Foundation Trust
  • Shenzhen Children's Hospital
  • Shenzhen University

科研成果: 期刊稿件文章同行评审

摘要

Bone-targeted polymeric nanoparticles for alendronate delivery based on Poly (lactic-co-glycolic acid) conjugated chitosan (CS-PLGA) and alendronate conjugated PLGA (Alen-PLGA) are fabricated and their superior performances are evaluated. The nanoparticles exhibited sustained Alen release without obvious burst release and good cytocompatibility against MC3T3 cells. Alen-modified nanoparticles demonstrated a high affinity to hydroxyapatite, which is the main mineral component of bone, indicating their feasibility for bone-targeted delivery. In addition, unlike nanoparticles without Alen, Alen-modified nanoparticles were preferentially taken up by MC3T3 cells, compared to HDF cells, revealing their specific uptake for osteoblast-like cells. Thus, the Alen-modified nanoparticles can potentially be developed as bone-targeted carriers for osteoporosis treatment.

源语言英语
文章编号107584
期刊Polymer Testing
110
DOI
出版状态已出版 - 6月 2022
已对外发布

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