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Mesenchymal stem cells and their secretome partially restore nerve and urethral function in a dual muscle and nerve injury stress urinary incontinence model

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单位: [1]Louis Stokes Cleveland Vet Affairs Med Ctr, Adv Platform Technol Ctr, Cleveland, OH USA [2]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Dept Urol,Wuhan 430074,Peoples R China [3]Cleveland Clin, Dept Biomed Engn, Cleveland, OH 44195 USA [4]Northeastern Ohio Univ Coll Med & Pharm, Coll Med, Dept Integrat Med Sci, Rootstown, OH 44272 USA [5]Summa Cardiovasc Inst, Summa Hlth Syst, Akron, OH USA [6]Cleveland Clin, Glickman Urol & Kidney Inst, Cleveland, OH 44106 USA
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关键词: paracrine action elastin external urethral sphincter pudendal nerve urinary incontinence

摘要:
Childbirth injures muscles and nerves responsible for urinary continence. Mesenchymal stem cells (MSCs) or their secretome given systemically could provide therapeutic benefit for this complex multisite injury. We investigated whether MSCs or their secretome, as collected from cell culture, facilitate recovery from simulated childbirth injury. Age-matched female Sprague-Dawley rats received pudendal nerve crush and vaginal distension (PNC + VD) and a single intravenous (iv) injection of 2 million MSCs or saline. Controls received sham injury and iv saline. Additional rats received PNC + VD and a single intraperitoneal (ip) injection of concentrated media conditioned by MSCs (CCM) or concentrated control media (CM). Controls received a sham injury and ip CM. Urethral and nerve function were assessed with leak point pressure (LPP) and pudendal nerve sensory branch potential (PNSBP) recordings 3 wk after injury. Urethral and pudendal nerve anatomy were assessed qualitatively by blinded investigators. Quantitative data were analyzed using one-way ANOVA and Holm-Sidak post hoc tests with P < 0.05 indicating significant differences. Both LPP and PNSBP were significantly decreased 3 wk after PNC + VD with saline or CM compared with sham-injured rats, but not with MSC or CCM. Elastic fiber density in the urethra increased and changed in orientation after PNC + VD, with a greater increase in elastic fibers with MSC or CCM. Pudendal nerve fascicles were less dense and irregularly shaped after PNC + VD and had reduced pathology with MSC or CCM. MSC and CCM provide similar protective effects after PNC + VD, suggesting that MSCs act via their secretions in this dual muscle and nerve injury.

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出版当年[2014]版:
大类 | 2 区 医学
小类 | 2 区 泌尿学与肾脏学 3 区 生理学
最新[2025]版:
大类 | 2 区 医学
小类 | 2 区 生理学 2 区 泌尿学与肾脏学
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出版当年[2013]版:
Q1 UROLOGY & NEPHROLOGY Q2 PHYSIOLOGY
最新[2023]版:
Q1 PHYSIOLOGY Q1 UROLOGY & NEPHROLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2013版] 出版当年五年平均 出版前一年[2012版] 出版后一年[2014版]

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第一作者单位: [1]Louis Stokes Cleveland Vet Affairs Med Ctr, Adv Platform Technol Ctr, Cleveland, OH USA [2]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Dept Urol,Wuhan 430074,Peoples R China [3]Cleveland Clin, Dept Biomed Engn, Cleveland, OH 44195 USA
通讯作者:
通讯机构: [1]Louis Stokes Cleveland Vet Affairs Med Ctr, Adv Platform Technol Ctr, Cleveland, OH USA [3]Cleveland Clin, Dept Biomed Engn, Cleveland, OH 44195 USA [6]Cleveland Clin, Glickman Urol & Kidney Inst, Cleveland, OH 44106 USA [*1]Cleveland Clin, Dept Biomed Engn, 9500 Euclid Ave,ND20, Cleveland, OH 44195 USA
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