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Emerging gene and stem cell therapies for the treatment of erectile dysfunction

机译:新兴基因和干细胞疗法治疗勃起功能障碍

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Erectile dysfunction is a prevalent condition that leads to significant morbidity and distress, not just for affected men but also for their partners. Very few currently available treatments ameliorate the underlying causes of the disorder and 'cure' the disease state. Much recent effort has been focused on the development of gene and cell-based approaches to rectify the molecular and tissue defects responsible for ED. Gene therapy has been investigated in animal models as a means to restore normal function to the penis; at this time, however, only one human trial has been published in the peer-reviewed literature. Recent gene therapy studies have focused on the modulation of enzymes associated with the NOS/cGMP pathway, and supplementation of trophic factors, peptides and potassium channels. Stem cell therapy has been a topic of interest in more recent years but there are currently very few published reports in animal models and none in human men. Although stem cell therapy offers the potential for restoration of functional tissues, legitimate concerns remain regarding the long-term fate of stem cells. The long-term safety of both gene and stem cell therapy must be thoroughly investigated before large-scale human studies can be considered.
机译:勃起功能障碍是一种普遍的疾病,不仅导致患病男性而且导致其伴侣遭受严重的发病和困扰。目前很少有能改善疾病根本原因并“治愈”疾病状态的疗法。最近的许多努力都集中在基于基因和细胞的方法的开发上,以纠正负责ED的分子和组织缺陷。已经在动物模型中研究了基因疗法,作为恢复阴茎正常功能的一种手段。但是,目前,在经过同行评审的文献中仅发表了一项人体试验。最近的基因疗法研究集中在调节与NOS / cGMP途径相关的酶,以及补充营养因子,肽和钾通道。近年来,干细胞疗法一直是人们关注的话题,但目前在动物模型中发表的报道很少,而在人类中则没有报道。尽管干细胞疗法提供了恢复功能组织的潜力,但对干细胞的长期命运仍存在合理的担忧。在考虑进行大规模的人体研究之前,必须彻底研究基因疗法和干细胞疗法的长期安全性。

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