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Towards a treatment of stress urinary incontinence: Application of mesenchymal stromal cells for regeneration of the sphincter muscle

: Aicher, Wilhelm K.; Hart, Melanie L.; Stallkamp, Jan; Klünder, Mario; Ederer, Michael; Sawodny, Oliver; Vaegler, Martin; Amend, Bastian; Sievert, Karl D.; Stenzl, Arnulf

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Journal of Clinical Medicine 3 (2014), No.1, pp.197-215
ISSN: 2077-0383
Journal Article, Electronic Publication
Fraunhofer IPA ()
Zellproduktion; Inkontinenz; Medizintechnik

Stress urinary incontinence is a significant social, medical, and economic problem. It is caused, at least in part, by degeneration of the sphincter muscle controlling the tightness of the urinary bladder. This muscular degeneration is characterized by a loss of muscle cells and a surplus of a fibrous connective tissue. In Western countries approximately 15% of all females and 10% of males are affected. The incidence is significantly higher among senior citizens, and more than 25% of the elderly suffer from incontinence. When other therapies, such as physical exercise, pharmacological intervention, or electrophysiological stimulation of the sphincter fail to improve the patient's conditions, a cell-based therapy may improve the function of the sphincter muscle. Here, we briefly summarize current knowledge on stem cells suitable for therapy of urinary incontinence: mesenchymal stromal cells, urine-derived stem cells, and muscle-derived satellite cells. In addition, we report on ways to improve techniques for surgical navigation, injection of cells in the sphincter muscle, sensors for evaluation of post-treatment therapeutic outcome, and perspectives derived from recent pre-clinical studies.