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- W1565351617 abstract "To evaluate deceased non-heart beating (DNHB) donors and deceased heart beating (DHB) brain-stem dead donors, as sources of viable urological tissue for use in biomedical research. To identify sources of viable human bladder tissue as an essential resource for cell biological research aimed at understanding human diseases of the bladder and for developing new tissue engineering and regenerative medicine strategies for bladder reconstruction. Typically, normal human urinary tract tissue is obtained from adult or paediatric surgical patients with benign urological conditions, but few surgical procedures yield useful quantities of healthy bladder tissue for research.Research ethics committee approval was obtained for collection of donor bladder tissue. Consent for DHB donors was undertaken by the Donor Transplant Coordinators. Tissue Donor Coordinators were responsible for consent for DNHB donors and the retrieval of bladders was coordinated through the National Blood Service Tissue Banking Service. All retrievals were performed by practicing urologists and care was taken to maintain sterility and to minimise bacterial contamination. Two bladders were retrieved from DNHB donors and four were retrieved from DHB donors.By histology, DNHB donor bladder tissue exhibited marked urothelial tissue damage and necrosis, with major loss or absence of urothelium. No cell cultures could be established from these specimens, as the urothelial cells were not viable in primary culture. Bladder urothelium from DHB donors was intact, but showed some damage, including loss of superficial cells and variable separation from the basement membrane. All four DHB bladder specimens yielded viable urothelial cells that attached in primary culture, but cell growth was slow to establish and cultures showed a limited capacity to form a functional barrier epithelium and a propensity to senesce early.We have shown that normal human bladder urothelial cell cultures can be established and serially propagated from DHB donor bladders. However, our study suggests that rapid post-mortem changes to the bladder affect the quality and viability of the urothelium, rendering tissue from DNHB donors an inadequate source for urothelial cell culture. Our experience is that whereas patients are willing to donate surgical tissue for research, there is a barrier to obtaining consent from next of kin for retrieved tissues to be used for research purposes." @default.
- W1565351617 created "2016-06-24" @default.
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- W1565351617 date "2013-12-13" @default.
- W1565351617 modified "2023-09-23" @default.
- W1565351617 title "Use of donor bladder tissues for<i>in vitro</i>research" @default.
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- W1565351617 doi "https://doi.org/10.1111/bju.12285" @default.
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