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Tissue engineering in urology: Where are we going?

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Abstract

Tissue engineering in urology is a broad term used to describe the development of alternative tissue sources for diseased or dysfunctional native urologic tissue. This article reviews the recently published techniques involving synthetic and natural biodegradable matrices alone, known as “unseeded” scaffolds, and the latest data on “seeded” scaffolds, which are impregnated with cultured cells from urologic organs. Recent discoveries in reporter gene labeling of urologic tissue are discussed as a new method to identify and track the fates of these transplanted cells in vivo. This article also investigates how these bioengineering techniques are applied to synthetic and natural scaffolds, such as polyglycolic acid and porcine small intestine submucosa, to increase bladder capacity, repair urethral strictures, and replace corporal plaques in Peyronie’s disease. Furthermore, recently published reports that these materials have been seeded with chondrocytes to create corporal rods for penile prostheses and stents for ureteral and urethral stricture disease are discussed. With these latest developments as a foundation, the future directions of tissue engineering in urology are presented.

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Authors and Affiliations

  1. Pediatric Urology and Tissue Engineering Laboratory, Department of Urology, University of Oklahoma Health Science Center, 1100 North Lindsay, 73104, Oklahoma City, OK, USA

    Adam R. Metwalli MD, James R. Colvert MD & Bradley P. Kropp MD

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  1. Adam R. Metwalli MD
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  2. James R. Colvert MD
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  3. Bradley P. Kropp MD
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Metwalli, A.R., Colvert, J.R. & Kropp, B.P. Tissue engineering in urology: Where are we going?. Curr Urol Rep 4, 156–163 (2003). https://doi.org/10.1007/s11934-003-0044-9

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