However, gene therapy for cancer is also faced with a specificity problem: the specific targeting of transgene expression to the site of the tumour.
然而，肿瘤基因治疗同样面临一个特殊问题即转基因特异性表达于肿瘤部位问题，靶向性基因转导依然是目前基因治疗的一大障碍。
Under standard transfection conditions, increasing DNA amount and exposure time of the DNA-liposome complexes with cells resulted in decreased transgene expression.
在标准转染条件下，增加DNA用量和延长细胞暴露时间反而使转染效率下降。
The invention discloses a plant transgene expression carrier containing green fluorescent albumen gene, its method for constructing the same and use in genetic engineering field of biotechnology.
本发明涉及生物技术中的基因工程领域，公开了一种含绿色荧光蛋白基因的植物转基因表达载体，以及其构建方法和应用。
Chemically inducible systems that control expression of native gene or transgene in plant have potential applications in gene function determination and genetic engineering.
调控基因表达的化学诱导系统在基因功能鉴定及植物生物工程方面具有广泛的应用价值。
Finally, there is an increase in the expression of a reporter transgene driven by a neuronal-specific promoter and a decrease of gene expression using a glial specific promoter in VPA-treated cells.
最后，出现了由神经元特异启动子促发的转基因的报道基因表达的增加，同时出现了依赖于胶质特异启动子的基因表达的下降。
Finally, there is an increase in the expression of a reporter transgene driven by a neuronal-specific promoter and a decrease of gene expression using a glial specific promoter in VPA-treated cells.
最后，出现了由神经元特异启动子促发的转基因的报道基因表达的增加，同时出现了依赖于胶质特异启动子的基因表达的下降。
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