Temporally controlling the release of biofactors from polymeric microspheres

IF 1.8 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Sebastian Kharileh, Kariman Shama, Mariah Turner, Brittany Taylor
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引用次数: 0

Abstract

To improve the integrity of tendons, mitigating scar tissue formation by targeting the cellular activities that contribute to fibrosis during healing is crucial. Microparticles are a promising solution by delivering biofactors directly to the injury site. We synthesized poly (lactic-co-glycolic acid) microspheres with Labrafil oil to control the release profile. The release of biofactors was initially delayed, followed by an increased release rate. Thus, by increasing the hydrophobicity of the polymer, Labrafil oil delays microsphere degradation and ultimately controls the release of an encapsulated factor. Further, the system can be utilized for multi-factorial release to temporally complement tendon healing.

Graphical abstract

Abstract Image

聚合物微球生物因子释放的时间控制
要改善肌腱的完整性,关键是要针对愈合过程中导致纤维化的细胞活动,减轻疤痕组织的形成。微颗粒是一种很有前景的解决方案,它能将生物因子直接输送到受伤部位。我们用 Labrafil 油合成了聚(乳酸-共聚乙醇酸)微球,以控制释放曲线。生物因子的释放最初是延迟的,随后释放速度加快。因此,通过增加聚合物的疏水性,Labrafil 油可以延缓微球降解,并最终控制封装因子的释放。此外,该系统还可用于多因子释放,在时间上补充肌腱愈合。
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来源期刊
MRS Communications
MRS Communications MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
2.60
自引率
10.50%
发文量
166
审稿时长
>12 weeks
期刊介绍: MRS Communications is a full-color, high-impact journal focused on rapid publication of completed research with broad appeal to the materials community. MRS Communications offers a rapid but rigorous peer-review process and time to publication. Leveraging its access to the far-reaching technical expertise of MRS members and leading materials researchers from around the world, the journal boasts an experienced and highly respected board of principal editors and reviewers.
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