Advancements in Hydrogel-Based Drug Sustained Release Systems for Bone Tissue Engineering

Advancements in Hydrogel-Based Drug Sustained Release Systems for Bone Tissue Engineering
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用于骨组织工程的水凝胶药物缓释系统的进展

DOI:
10.3389/fphar.2020.00622
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发表时间:
2020-05
影响因子:
5.6
通讯作者:
Han Bing
Han Bing
中科院分区:
医学2区
文献类型:
--
作者:
Zhang Yunfan;Yu Tingting;Peng Liying;Sun Qiannan;Wei Yan;Han Bing

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由损伤、疾病或先天畸形引起的骨缺损仍然是一个主要的健康问题,有效地再生骨是世界范围内突出的临床需求。然而,骨再生是一个复杂的过程,需要细胞和生物活性因子的共同参与。模拟生理性的骨愈合过程,生物活性分子的持续释放在创造最佳的成骨微环境和实现有希望的骨修复结果方面发挥着至关重要的作用。生物材料支架的利用可以通过适当的方式将细胞与生物活性因子整合在一起,从而对成骨过程产生积极的影响。高含水率、可调的物理机械性能和多样化的合成策略使水凝胶成为理想的细胞载体和受控药物释放库。在此,我们综述了水凝胶药物缓释系统在骨组织工程(BTE)中提供成骨诱导肽、核酸和其他生物活性分子的研究进展。
Bone defects caused by injury, disease, or congenital deformity remain a major health concern, and efficiently regenerating bone is a prominent clinical demand worldwide. However, bone regeneration is an intricate process that requires concerted participation of both cells and bioactive factors. Mimicking physiological bone healing procedures, the sustained release of bioactive molecules plays a vital role in creating an optimal osteogenic microenvironment and achieving promising bone repair outcomes. The utilization of biomaterial scaffolds can positively affect the osteogenesis process by integrating cells with bioactive factors in a proper way. A high water content, tunable physio-mechanical properties, and diverse synthetic strategies make hydrogels ideal cell carriers and controlled drug release reservoirs. Herein, we reviewed the current advancements in hydrogel-based drug sustained release systems that have delivered osteogenesis-inducing peptides, nucleic acids, and other bioactive molecules in bone tissue engineering (BTE).
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