{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T17:34:25Z","timestamp":1793036065688,"version":"4.5.0"},"reference-count":45,"publisher":"American Physiological Society","issue":"4","funder":[{"DOI":"10.13039\/100000738","name":"U.S. Department of Veterans Affairs","doi-asserted-by":"publisher","award":["Merit Review Award I01 RX000228-01A"],"award-info":[{"award-number":["Merit Review Award I01 RX000228-01A"]}],"id":[{"id":"10.13039\/100000738","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Renal Physiology"],"published-print":{"date-parts":[[2019,10,1]]},"abstract":"<jats:p> Stress urinary incontinence (SUI) is more prevalent among women who deliver vaginally than women who have had a cesarean section, suggesting that tissue repair after vaginal delivery is insufficient. A single dose of mesenchymal stem cells (MSCs) has been shown to partially restore urethral function in a model of SUI. The aim of the present study was to determine if increasing the number of doses of MSCs improves urethral and pudendal nerve function and anatomy. We hypothesized that increasing the number of MSC doses would accelerate recovery from SUI compared with vehicle treatment. Rats underwent pudendal nerve crush and vaginal distension or a sham injury and were treated intravenously with vehicle or one, two, or three doses of 2 \u00d7 10<jats:sup>6<\/jats:sup> MSCs at 1 h, 7 days, and 14 days after injury. Urethral leak point pressure testing with simultaneous external urethral sphincter electromyography and pudendal nerve electroneurography were performed 21 days after injury, and the urethrovaginal complex and pudendal nerve were harvested for semiquantitative morphometry of the external urethral sphincter, urethral elastin, and pudendal nerve. Two and three doses of MSCs significantly improved peak pressure; however, a single dose of MSCs did not. Single, as well as repeated, MSC doses improved urethral integrity by restoring urethral connective tissue composition and neuromuscular structures. MSC treatment improved elastogenesis, prevented disruption of the external urethral sphincter, and enhanced pudendal nerve morphology. These results suggest that MSC therapy for postpartum incontinence and SUI can be enhanced with multiple doses. <\/jats:p>","DOI":"10.1152\/ajprenal.00173.2019","type":"journal-article","created":{"date-parts":[[2019,8,14]],"date-time":"2019-08-14T07:25:01Z","timestamp":1565767501000},"page":"F1047-F1057","source":"Crossref","is-referenced-by-count":21,"title":["Multiple doses of stem cells maintain urethral function in a model of neuromuscular injury resulting in stress urinary incontinence"],"prefix":"10.1152","volume":"317","author":[{"given":"Kristine","family":"Janssen","sequence":"first","affiliation":[{"name":"Advanced Platform Technology Center, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, Ohio"},{"name":"Biomedical Engineering Department, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio"},{"name":"Woman and Baby Division, University Medical Center Utrecht, Utrecht, The 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