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The effect of a human acellular amniotic membrane loaded with mechanical stretch-stimulated bone marrow mesenchymal stem cells for the treatment of pelvic floor dysfunction

机译:载有机械拉伸刺激的骨髓间充质干细胞的人脱细胞羊膜对盆底功能障碍的治疗作用

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Pelvic floor dysfunction (PFD) has a severe impact on the quality of life of middle-aged and elderly women and is closely related to the damage of pelvic support tissues, especially ligaments. The incidence of PFD is high in elderly populations. Conventional treatments are associated with high complication and relapse rates. Bone marrow mesenchymal stem cells (BMSCs) are bone marrow-derived pluripotent stem cells that can differentiate into many types of cells. We have found that when cultured with mechanical stretch-stimulated pelvic ligament fibroblasts, rat BMSCs were induced to differentiate into pelvic ligament fibroblasts. Human acellular amniotic membranes (HAAMs) demonstrate a good biocompatibility and can promote BMSC proliferation and BMSC differentiation into ligament fibroblasts. In this study, BMSCs cultured with mechanical stretch-stimulated pelvic ligament fibroblasts were inoculated into and cultured onto HAAMs, which were then implanted into rats with PFD to improve PFD symptoms. These results indicated their potential use as a cell-based therapy for PFD.
机译:骨盆底功能障碍(PFD)对中年和老年妇女的生活质量产生严重影响,并且与骨盆支撑组织(尤其是韧带)的损伤密切相关。 PFD的发生率在老年人口中较高。常规治疗与高并发症和复发率相关。骨髓间充质干细胞(BMSC)是源自骨髓的多能干细胞,可以分化为多种类型的细胞。我们发现,当用机械拉伸刺激的骨盆韧带成纤维细胞培养时,大鼠骨髓间充质干细胞被诱导分化为骨盆韧带成纤维细胞。人脱细胞羊膜(HAAM)具有良好的生物相容性,可以促进BMSC增殖和BMSC分化为韧带成纤维细胞。在这项研究中,将用机械拉伸刺激的骨盆韧带成纤维细胞培养的BMSC接种并培养到HAAMs上,然后将其植入PFD大鼠以改善PFD症状。这些结果表明它们潜在地用作PFD的基于细胞的疗法。

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