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Tissue Engineering:科学家揭示乳腺癌细胞利用MSC发生骨转移机制

2016-11-07 佚名 生物谷

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一项新研究解释了转移的乳腺癌细胞如何利用骨髓来源的间充质干细胞帮助它们扩散到骨组织。这项研究使用了一种3D支架模型,发现乳腺肿瘤来源的因子能够促进间充质干细胞分化形成骨细胞,支架的机械压力能够进一步刺激骨发育。相关研究结果发表在国际学术期刊Tissue Engineering上。

来自康奈尔大学和马萨诸塞大学安姆斯特分校的研究人员利用一种包含了矿质成分的3D支架作为体外模型来研究乳腺肿瘤来源的化合物以及骨微环境中的机械刺激等因素能否影响转移的癌细胞与骨之间的相互作用。理解和干预这些相互作用能够为接近75%发生骨转移的晚期乳腺癌病人的临床治疗带来一些启示。

这项题为“Three-Dimensional Mechanical Loading Modulates the Osteogenic Response of Mesenchymal Stem Cells to Tumor-Derived Soluble Signals”的研究描述了他们所使用的3D支架的成分,研究设计以及如何使用该模型评估某些因素对乳腺癌骨转移的作用。

“该文章报道了一项非常重要的研究,他们利用组织工程学肿瘤模型揭示了肿瘤与骨之间的相互作用关系,对于癌症治疗新方法的开发提供了许多提示。”杂志主编Antonios G. Mikos这样说道。

据了解,中晚期乳腺癌会随着病情的加重而发生转移,发生转移的器官包括脑、肺、肝、骨等。而骨转移最为常见,多发生在肋骨、胸骨、胸椎及腰椎部位。

原始出处

Lynch Maureen E., Chiou Aaron E., Lee Min Joon, Marcott Stephen C., Polamraju Praveen V., Lee Yeonkyung, and Fischbach Claudia.Three-Dimensional Mechanical Loading Modulates the Osteogenic Response of Mesenchymal Stem Cells to Tumor-Derived Soluble Signals.Tissue Engineering.2016

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    2017-05-25 xuyu
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    2016-11-21 spoonycyy
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    2016-11-09 yxch36
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    2016-11-09 huanbaofeng

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