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首页> 外文期刊>Journal of orthopaedic research >RNAi mediated MMP-1 silencing inhibits human chondrosarcoma invasion.
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RNAi mediated MMP-1 silencing inhibits human chondrosarcoma invasion.

机译:RNAi介导的MMP-1沉默抑制人软骨肉瘤的侵袭。

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摘要

Previous work indicates that matrix metalloproteinase-1 (MMP-1) gene expression is a prognostic factor for local recurrence and metastasis in human chondrosarcoma. The current study evaluates the effects of MMP-1 knock-down via RNA interference on chondrosarcoma metastasis in vitro. Of nine siRNA oligos tested, one showed a 90% inhibitory effect on MMP-1 gene expression. Stable attenuation of MMP-1 in chondrosarcoma cells was achieved by using a plasmid vector-based siRNA system. Pronounced MMP-1 activity suppression was accompanied by marked inhibition of tumor cell invasion. Cells in which MMP-1 has been stably silenced are useful tools to elucidate the mechanism of MMP-1 mediated tumor metastasis.
机译:先前的工作表明基质金属蛋白酶-1(MMP-1)基因表达是人软骨肉瘤局部复发和转移的预后因素。目前的研究评估了经由RNA干扰的MMP-1敲除对体外软骨肉瘤转移的影响。在测试的九种siRNA寡核苷酸中,有一种对MMP-1基因表达具有90%的抑制作用。软骨肉瘤细胞中MMP-1的稳定减毒是通过使用基于质粒载体的siRNA系统实现的。明显的MMP-1活性抑制伴随着肿瘤细胞侵袭的明显抑制。 MMP-1已被稳定沉默的细胞是阐明MMP-1介导的肿瘤转移机制的有用工具。

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