Urethral Re-epithelialization
Urethral Re-epithelialization - Related Videos
05:09
Urethral Stricture Induction Followed by Buccal Mucosa Graft Urethroplasty in a Rat Model
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Cited by 3 •
2023
In the present protocol, a urethral stricture induction was developed in Wistar rats, followed by urethral reconstruction with a buccal mucosa graft. A retrograde urethrogram and laser Doppler assessment were performed, validating urethral reconstruction (after stricture formation) and graft placement.
07:42
Nerve-sparing Mid-urethral Obstruction (NeMO) in Female Small Rodents
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Cited by 7 •
2017
Traditional modeling of partial bladder outlet obstruction in rodents is fraught with animal mortality. A denervation injury from dissection around the proximal urethra and bladder neck is also of major concern. We developed and evaluated a safe and reliable mid-urethral obstruction model, avoiding the shortcomings of the traditional model.
08:51
Mammary Epithelial Transplant Procedure
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Cited by 23 •
2010
This article demonstrates the procedure developed by DeOme KB et al. (1959) and the sparing procedure developed by Brill B et al. (2008) for clearing the 4th inguinal mammary fat pad of a pubescent mouse in preparation for transplantation of mammary fragments, mammary epithelial cells, or mammary tumor cells.
10:09
Rapid Genetic Analysis of Epithelial-Mesenchymal Signaling During Hair Regeneration
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Cited by 10 •
2013
Tissue-specific analysis of a hair follicle regeneration model using lentivirus to mediate gain- or loss-of-function.
10:37
Induction and Analysis of Epithelial to Mesenchymal Transition
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Cited by 16 •
2013
A straightforward method is described for the induction of epithelial to mesenchymal transition (EMT) in a variety of cell types. Methods for the analysis of cells in EMT states by immunocytochemistry are included.
FAQs
Repair begins when surviving epithelial cells at the wound edge move across the damaged region. These cells then proliferate to replace cells lost through injury, followed by differentiation that helps restore a mature, continuous lining. The sequence matters because coverage must be reestablished before the tissue can fully regain a protective barrier that supports normal urinary function.
A continuous lining separates underlying tissue from the urinary passage and helps preserve the urethra’s protective surface. Incomplete restoration may leave the injured region structurally vulnerable and impair normal tissue recovery. Studying how barrier continuity is rebuilt therefore helps medicine evaluate repair quality, understand consequences of persistent damage, and design approaches aimed at better reconstruction outcomes.
Molecular mechanisms help regulate the cellular events that rebuild the epithelial surface, including migration, replacement of lost cells, and differentiation. If repair does not adequately restore the lining, healing may be associated with recurrent scarring, a concern in stricture disease. Clarifying these mechanisms may identify ways to improve reconstruction and reduce repeated narrowing after injury.
The repair process provides a framework for understanding how the urethral lining responds after traumatic damage. Clinicians and researchers can use this knowledge to focus on restoration of epithelial continuity, preservation of the tissue barrier, and recovery of urinary function. This biological perspective complements reconstructive treatment by highlighting the cellular events that influence healing quality.
Urethral stricture disease is linked to problematic healing in which recurrent scarring can compromise reconstruction outcomes. Examining epithelial restoration helps researchers ask whether repair successfully reestablishes a protective surface or instead contributes to persistent tissue problems. The resulting knowledge can guide strategies intended to improve healing and reduce recurrence, although the overview does not specify a particular clinical procedure.
Tissue-engineering strategies and biomaterials can be evaluated according to whether they support the cellular requirements of epithelial repair. A useful design should be considered in relation to epithelial migration, replacement of lost cells, differentiation, and restoration of a continuous barrier. These criteria connect material development with practical goals in urethral reconstruction, including improved healing and reduced recurrent scarring.