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Adenovirus p53 gene therapy.

机译:腺病毒p53基因治疗。

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摘要

To date, dysfunctional tumour suppressor genes are the most common genetic lesions identified in human cancers. Functional copies of tumour suppressor genes can be introduced into cancer cells by gene transfer using adenoviral vectors. This approach has been extensively studied in the clinic with intratumoural injection of a replication-defective adenovirus that expresses p53 (Ad-p53). Overexpression of p53 in cancer cells induces growth arrest and apoptosis. Ad-p53 injections have an excellent safety profile, and have mediated tumour regression and growth arrest as monotherapy, or have overcome resistance or increased the effectiveness of radiation therapy and chemotherapy. Expression of the p53 transgene has occurred at high levels and is associated with the activation of other genes in the p53 pathway. These studies indicate proof-of-principle for tumour suppressor gene therapy and represent a new paradigm in targeted therapy.
机译:迄今为止,功能异常的抑癌基因是人类癌症中最常见的遗传损伤。可以使用腺病毒载体通过基因转移将抑癌基因的功能性拷贝引入癌细胞。在肿瘤内注射表达p53(Ad-p53)的复制缺陷型腺病毒在临床上对该方法进行了广泛研究。 p53在癌细胞中的过表达诱导生长停滞和凋亡。 Ad-p53注射剂具有出色的安全性,可作为单一疗法介导肿瘤消退和生长停滞,或克服了耐药性或提高了放射疗法和化学疗法的有效性。 p53转基因的表达已经高水平发生,并且与p53途径中其他基因的激活有关。这些研究表明了肿瘤抑制基因治疗的原理,并代表了靶向治疗的新范例。

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