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Viral vector-mediated transgenic cell therapy in regenerative medicine: safety of the process

机译:病毒载体介导的再生医学中转基因细胞疗法的安全性

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Introduction: There are safety concerns regarding viral vectors in regenerative medicine research because of adverse experiences in conventional gene therapy with systemic delivery of recombinant virus. Transgenic cell therapy emerges as an attractive strategy, in which the genes of interest are delivered in vitro into isolated cells first; instead of transgene vectors, these transgenic cells are then implanted back to the host. This ex vivo strategy enables the examination of cell viability and phenotype before subsequent transplantation and prevents to the most extent the potential delivery-related hazards caused by exposure of viral components to the host. The transgenic implants are often localized, thus traceable for safety monitoring except those cases involving systemic distribution of transgenic cells.
机译:简介:再生医学研究中有关病毒载体的安全性问题,是由于常规基因疗法伴随全身性递送重组病毒的不良经验。转基因细胞疗法作为一种有吸引力的策略应运而生,在这种策略中,首先将目的基因体外递送到分离的细胞中。然后将这些转基因细胞代替转基因载体植入宿主。这种离体策略能够在随后的移植之前检查细胞活力和表型,并在最大程度上防止了由于病毒成分暴露于宿主而引起的潜在的与输送有关的危害。转基因植入物通常是局部的,因此可追溯用于安全监控,除非涉及转基因细胞全身分布的情况。

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