METHODS: Twenty semistructured qualitative interviews were conducted and analyzed through an inductive approach to analysis.
RESULTS: The findings were presented in three main categories which were coded: Reality vs. Conspiracy, Vaccination Concerns, and Public Worries. The majority believed that the Zika virus is a real problem and that authorities might be trying to hide the Zika cases in Pakistan. Moreover, they believed that health organizations are being incompetent by failing to take timely remedial measures to manage the Zika. However, 20% have an opposing view and believed that the Zika virus is a conspiracy against Pakistan from the West.
CONCLUSION: Overall, most participants were concerned about the lack of treatment and preventive methods and emphasized the need to create awareness among the public. It is observed that the participants' perceptions ranged from perceiving the Zika virus as real to as a conspiracy.
METHODS: Human adipose-derived stem cells isolated from fat tissues were differentiated into smooth muscle cells and then seeded onto a triple-layered PLGA sheet to form a bladder construct. Adult athymic rats underwent subtotal urinary bladder resection and were divided into three treatment groups (n = 3): Group 1 ("sham") underwent anastomosis of the remaining basal region, Group 2 underwent reconstruction with the cell-free scaffold, and Group 3 underwent reconstruction with the tissue-engineered bladder construct. Animals were monitored on a daily basis and euthanisation was performed whenever a decline in animal health was detected.
RESULTS: All animals in Groups 1, 2 and 3 survived for at least 7 days and were followed up to a maximum of 12 weeks post-operation. It was found that by Day 14, substantial ingrowth of smooth muscle and urothelial cells had occurred in Group 2 and 3. In the long-term follow up of group 3 (tissue-engineered bladder construct group), it was found that the urinary bladder wall was completely regenerated and bladder function was fully restored. Urodynamic and radiological evaluations of the reconstructed bladder showed a return to normal bladder volume and function.Histological analysis revealed the presence of three muscular layers and a urothelium similar to that of a normal bladder. Immunohistochemical staining using human-specific myocyte markers (myosin heavy chain and smoothelin) confirmed the incorporation of the seeded cells in the newly regenerated muscular layers.
CONCLUSION: Implantation of PLGA construct seeded with smooth muscle cells derived from human adipose stem cells can lead to regeneration of the muscular layers and urothelial ingrowth, leading to formation of a completely functional urinary bladder.