Sci Rep:c-Fos在永生化的人间充质祖细胞中诱导软骨形成肿瘤形成

2018-11-01 MedSci MedSci原创

目前认为间充质祖细胞(MPCs)是肉瘤的起源细胞,并且c-Fos转录因子在骨肿瘤中充当癌基因。 在这项研究中,我们显示c-Fos存在于大多数具有软骨表型的肉瘤中,而多个其他基因与c-Fos表达模式相关。为了进一步确定c-Fos在肌肉发生中的作用,我们在原代人MPC(hMPCs),永生化hMPC和转化的鼠MPC(mMPC)中表达了它。在永生化的hMPC中,c-Fos表达产生形态变化,活动能力降

目前认为间充质祖细胞(MPCs)是肉瘤的起源细胞,并且c-Fos转录因子在骨肿瘤中充当癌基因。

在这项研究中,我们显示c-Fos存在于大多数具有软骨表型的肉瘤中,而多个其他基因与c-Fos表达模式相关。为了进一步确定c-Fos在肌肉发生中的作用,我们在原代人MPC(hMPCs),永生化hMPC和转化的鼠MPC(mMPC)中表达了它。在永生化的hMPC中,c-Fos表达产生形态变化,活动能力降低和脂肪形成和成骨分化潜能受损。值得注意的是,表达c-Fos的永生化hMPC或mMPC产生具有软骨形成表型和形态的肿瘤。

因此,在这里我们显示c-Fos蛋白在肉瘤中具有关键作用,并且永生化MPC中的c-Fos表达产生细胞转化和软骨形成肿瘤形成。

原始出处:

Ander Abarrategi, Stefano Gambera, et al., c-Fos induces chondrogenic tumor formation in immortalized human mesenchymal progenitor cells. Sci Rep. 2018; 8: 15615.

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