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Human primary muscle stem cells regenerate injured urethral sphincter in athymic rats

Animal Models and Experimental Medicine 2022年第5期5卷 453-460页

作者： Biniam M.Bekele Verena Schöwel-Wolf Janine Kieshauer andreas marg andreas Busjahn Sarah Davis Gayle Nugent Anne-Karoline Ebert Simone Spuler Muscle Research Unit Experimental and Clinical Research Centera cooperation between the Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association and the CharitéUniversitätsmedizin BerlinBerlinGermany CharitéUniversitätsmedizin BerlinGermany Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association BerlinGermany Berlin Institute of Health at CharitéUniversitätsmedizin BelrinGermany HealthTwist GmbH BerlinGermany Charles River Laboratories MattawanMichiganUSA Department of Urology and Pediatric Urology University Hospital UlmUlmGermany

Background:The aim of the study was to demonstrate the efficacy of human muscle stem cells(MuSCs)isolated using innovative technology in restoring internal urinary sphincter function in a preclinical animal ***:Colonies of pure human MuSCs were obtained from muscle biopsy *** rats were subjected to internal urethral sphincter damage by *** days after injury,2×105 muscle stem cells or medium as control were injected into the area of sphincter damage(n=5 in each group).Peak bladder pressure and rise in pressure were chosen as outcome *** repeatedly obtain the necessary pressure values,telemetry sensors had been implanted into the rat bladders 10 days prior to ***:There was a highly significant improvement in the ability to build up peak pressure as well as a pressure rise in animals that had received muscle stem cells as compared to control(p=0.007)3 weeks after the cells had been *** mini-mal histologic evidence of scarring was observed in treated ***:Primary human muscle stem cells obtained using innovative technology functionally restore internal urethral sphincter function after *** into use in clinical settings is foreseeable.

关键词： human muscle stem cells sphincter injury telemetry urinary incontinence urodynamics

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