Biomimetic scaffold containing PVDF nanofibers with sustained TGF-β release in combination with AT-MSCs for bladder tissue engineering.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

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 TGFβ, 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 TGFβ. All scaffolds characterized morphologically by using SEM, TGFβ 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 r

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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