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The mechanisms and potential of stem cell therapy for penile fibrosis

机译:干细胞疗法对阴茎纤维化的机制和潜力

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Fibrosis is often caused by chronic tissue injury leading to a persisting inflammatory response with excessive accumulation of extracellular connective tissue proteins. Peyronie's disease, urethral stricture and penile (corpora cavernosa) fibrosis are localized fibrotic disorders of the penile connective tissues that can substantially impair a patient's quality of life. Research over the past few decades has revealed the ability of stem cells to secrete a wide range of paracrine factors, a characteristic that could be exploited therapeutically to prevent and treat several inflammatory and fibrotic diseases. In preclinical studies, mesenchymal stem cells (MSCs) have proven to be the most effective and readily available type of stem cells for therapeutic use. An important advantage of MSCs is their ability to circumvent the immune system and function as immunomodulatory 'drug stores' to influence multiple cell types simultaneously. Many studies using stem cells have been applied exclusively to corpora cavernosa fibrosis owing to its well-established disease models. A plethora of preclinical data suggest the benefit of stem cells for use in penile fibrosis. However, their exact mechanism of action and optimal timing and mode of administration must be determined before clinical translation.
机译:纤维化通常是由慢性组织损伤引起的,导致持续存在炎症反应,其具有细胞外结缔组织蛋白质过度积累。 Peyronie的疾病,尿道狭窄和阴茎(Corpora Cavernosa)纤维化是阴茎连接组织的局部纤维化疾病,可以显着损害患者的生活质量。过去几十年的研究表明,干细胞分泌着广泛的旁静脉因子的能力,这是可以利用治疗性的特征以预防和治疗几种炎症和纤维化疾病。在临床前研究中,分析干细胞(MSCs)已被证明是用于治疗用途的最有效和易于获得的干细胞。 MSCs的一个重要优势是它们能够绕过免疫系统并用作免疫调节性“药物储存”以同时影响多种细胞类型的功能。由于其良好的疾病模型,使用干细胞使用干细胞的研究已经专门应用于Corpora Cavernosa纤维化。血清型临床前数据表明干细胞用于阴茎纤维化的益处。然而,在临床翻译之前必须确定它们的确切作用和最佳定时和给药方式。

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