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Title: Electrospun PCL/chitosan nanofibrous scaffold for human bladder smooth muscle regeneration
Journal: Nanomedicine Journal
Author: 1. Mohammad Ali Derakhshan, 2. Ali Akbar Karimi Zarchi, 3. Parisa Ghadiri Harati
Year: 2022
Address: 1. Department of Medical Nanotechnology, School of Advanced Sciences and Technologies in Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
2. Nanobiotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
3. Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Abstract: Objective(s): Several pathologic complications may lead to defects in urinary bladder tissue or organ loss. In
this regard, bladder tissue engineering utilizing electrospun nanofibrous PCL and PCL/chitosan would be
promising as replacing structures.
Materials and Methods: The resultant nanofibers were characterized for their morphology, diameter and
composition by scanning electron microscopy (SEM), and also, FT-IR and CHN analyses. Then, isolation
of smooth muscle cells of human urinary bladder biopsies was performed and the obtained cells were
characterized by immunocytochemistry (ICC). Thereafter, seeded cells on PCL and PCL/CS nanofibers were
assayed for their viability/toxicity, and also, cell-scaffold attachments and cell morphologies were investigated.
Results: The findings illustrated that PCL and PCL/CS nanofibers of about 100 nm were successfully
fabricated. The obtained scaffolds provided appropriate environment for attachment and expansion of
seeded detrusor smooth muscle cells. Biocompatibility of both scaffolds was demonstrated by alamar blue
assay. After 7 days of study, cells showed higher viability percentage on PCL/CS nanofibers.
Conclusion: Nanofibrous PCL or PCL/CS scaffolds could properly help adhesion and proliferation/growth of
human bladder smooth muscle cells (hBSMCs).
Keywords: Bladder; Electrospun nanofiber; PCL; PCL/CS; Tissue engineering
Application: Tissue Engineering
Product Model 1: Electroris
Product Model 2:
URL: #https://nmj.mums.ac.ir/article_19837.html#