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Capsid modification of adeno-associated virus and tumor targeting gene therapy

机译:腺伴随病毒的衣壳修饰和肿瘤靶向基因治疗

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摘要

Targeting is critical for successful tumor gene therapy. The adeno-associated virus (AAV) has aroused wide concern due to its excellent advantages over other viral vectors in gene therapy. AAV has a broad infection spectrum, which also results in poor specificity towards tissues or cells and low transduction efficiency. Therefore, it is imperative to improve target and transduction efficiency in AAV-mediated gene therapy. Up to now, researchers have developed many strategies to modify AAV capsids for improving targeting or retargeting only desired cells. These strategies include not only traditional chemical modification, phage display technology, modification of AAV capsid genome, chimeric vectors and so on, but also many novel strategies involved in marker rescue strategy, direct evolution of capsid proteins, direct display random peptides on AAV capsid, AAVP (AAV-Phage), and etc. This review will summarize the advances of researches on the capsid modification of AAV to target malignant cells.
机译:靶向对于成功的肿瘤基因治疗至关重要。腺相关病毒(AAV)由于在基因治疗中比其他病毒载体优越,因此引起了广泛关注。 AAV具有广泛的感染谱,这也导致对组织或细胞的特异性差并且转导效率低。因此,在AAV介导的基因治疗中必须提高靶标和转导效率。到目前为止,研究人员已经开发出许多修饰AAV衣壳的策略,以改善靶向或仅靶向所需细胞的目标。这些策略不仅包括传统的化学修饰,噬菌体展示技术,AAV衣壳基因组的修饰,嵌合载体等,而且还包括许多与标志物拯救策略有关的新颖策略,衣壳蛋白的直接进化,在AAV衣壳上直接展示随机肽, AAVP(AAV-Phage)等。本综述将概述针对靶点恶性细胞的AAV衣壳修饰的研究进展。

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