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Title: Electrospun Plla Nanofiber Scaffolds for Bladder Smooth Muscle Reconstruction
Journal: International urology and nephrology
Author: 1. Mohammad Ali Derakhshan, Hossein Ghanbari, Reza Faridi‑Majidi, 1,2. Gholamreza Pourmand, 3. Rassoul Dinarvand, Mohammad Naji, 5. Jafar Ai
Year: 2016
Address: 1. Department of Medical Nanotechnology, School of AdvancedTechnologies in Medicine, Tehran University of MedicalSciences, 1417755469 Tehran, Iran 2. Urology Research Center, Tehran University of Medical Sciences, Tehran, Iran 3. Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran 4. Urology and Nephrology Research Center (UNRC), Shahid Beheshti University of Medical Sciences, Tehran, Iran 5. Department of Tissue Engineering, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
Abstract: Purpose Urinary bladder may encounter several pathologic conditions that could lead to loss of its function. Tissue engineering using electrospun PLLA scaffolds is a promising approach to reconstructing or replacing the problematic bladder. Methods PLLA nanofibrous scaffolds were prepared utilizing single-nozzle electrospinning. The morphology and distribution of fiber diameters were investigated by scanning electron microscopy (SEM). Human bladder smooth muscle cells (hBSMCs) were isolated from biopsies and characterized by immunocytochemistry (ICC). Then, the cells were seeded on the PLLA nanofibers and Alamar Blue assay proved the biocompatibility of prepared scaffolds. Cell attachment on the nanofibers and also cell morphology over fibrous scaffolds were observed by SEM. Results The results indicated that electrospun PLLA scaffold provides proper conditions for hBSMCs to interact and attach efficiently to the fibers. Alamar Blue assay showed the compatibility of the obtained electrospun scaffolds with hBSMCs. Also, it was observed that the cells could achieve highly elongated morphology and their native aligned direction besides each other on the random electrospun scaffolds and in the absence of supporting aligned nanofibers. Conclusion Electrospun PLLA scaffold efficiently supports the hBSMCs growth and alignment and also has proper cell compatibility. This scaffold would be promising in urinary bladder tissue engineering.
Keywords: PLLA · Electrospun nanofiber · Bladder · Tissue engineering
Application: Scaffold, Tissue Engineering
Product Model 1: Electroris
Product Model 2:
URL: https://link.springer.com/article/10.1007/s11255-016-1259-2#="https://link.springer.com" & "/article/10.1007/s11255-016-1259-2"#