400-8910-119
首页 > 文献资料 > ES-Bank > 详情
Biomimetic scaffold containing PVDF nanofibers with sustained TGF-beta release in combination with AT-MSCs for bladder tissue engineering
2019/11/27 21:44:39 admin
Since the functional recovery of the reconstructed bladder is related to the bladder wall contraction and existing therapies do not respond to this, tissue engineering could be worth considered promising candidates for developing of conventional treatments in these kinds of ailments. Due to the low mechanical properties of natural scaffolds, biocompatible synthetic scaffolds can play a key role in the stem cells proliferation and differentiation and apply for many tissue-engineering applications. On the other hand, considering the low shelf life of TGF beta, encapsulating this growth factor can help maintain its functionality throughout the study period. In this study, poly (vinylidene fluoride) (PVDF) nanofibrous scaffolds were fabricated through electrospinning method with or without chitosan nanoparticles loaded TGF beta. All scaffolds characterized morphologically by using SEM, TGF beta release profiling as well as biocompatibility by using SEM and MTT assays. Adipose tissue derived mesenchymal stem cells (AT-MSCs) was isolated and characterized immediately and the differentiation of SMC was investigated when cultured on the surface of the scaffolds and tissue culture polystyrene (TCPS) as a control of gene and protein expression levels. Fabricated scaffold possess smooth structure with nanoscale size and long time releasing of sustained profiles. MTT, qRT-PCR and immunocytochemistry results demonstrated that AT-MSCs proliferation rate and SMC differentiation potential were significantly increased when cultured on the PVDF-TGF beta scaffold in comparison with PVDF and TCPS. According to the results, PVDF-TGF beta as a bio-functional scaffold can provide greater treatment possibilities in bladder tissue engineering applications.
相关推荐
暂无相关推荐
网友评论 请遵循相关法律法规,理性发言
回复
查看更多回复

分享