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 |
| 卷 | 110 |
| DOI | |
| 出版状态 | 已出版 - 6月 2022 |
| 已对外发布 | 是 |
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