期刊
NATURE REVIEWS UROLOGY
卷 17, 期 3, 页码 162-175出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41585-020-0281-4
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Hypospadias is a congenital malformation resulting from the disruption of normal urethral formation with varying global prevalence. Hypospadias repair, especially that of proximal hypospadias (in which reconstruction of a long urethra is necessary), remains a surgical challenge despite more than two decades of surgical technique development and refinement. The lack of tissue substitutes with mechanical and biological properties similar to those of native urethra is a challenge for which the field of tissue engineering might offer promising solutions. However, the use of tissue-engineered constructs in preclinical studies is still hindered by complications such as strictures or fistulae, which have slowed progression to clinical application. Furthermore, the generation of uniform tubular constructs remains a challenge. Exciting advances in the application of nanotechnology and 3D bioprinting to urethral tissue engineering might present solutions to these issues. In this Review, Chan and colleagues discuss the need for improved management options for hypospadias and describe advances in urethral tissue engineering and barriers to clinical application of tissue-engineered constructs in hypospadias repair.
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