Exosomes from marrow stromal cells expressing miR-146b inhibit glioma growth.

Exosomes from marrow stromal cells expressing miR-146b inhibit glioma growth.
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DOI:
10.1016/j.canlet.2013.02.019
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发表时间:
2013-07-10
期刊:
影响因子:
9.7
通讯作者:
Chopp, Michael
Chopp, Michael
中科院分区:
医学1区
文献类型:
--
作者:
Katakowski, Mark;Buller, Ben;Zheng, Xuguang;Lu, Yong;Rogers, Thomas;Osobamiro, Oyinkansola;Shu, Wayne;Jiang, Feng;Chopp, Michael

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外泌体是由多种哺乳动物细胞分泌的30-150 nm囊泡,其可含有microRNA(miRNA)。为了测试骨髓基质细胞(MSC)外泌体是否可以用作递送抗肿瘤miRNA的载体,我们用miR-146 b表达质粒转染MSC,并收获由MSC释放的外泌体。肿瘤内注射来源于表达miR-146的MSC的外来体显著降低了原发性脑肿瘤大鼠模型中的胶质瘤异种移植物生长。
Exosomes are 30–150 nm vesicles secreted by a wide range of mammalian cells that can contain microRNA (miRNA). To test if marrow stromal cell (MSC) exosomes could be used as a vehicle for delivery of anti-tumor miRNAs, we transfected MSCs with a miR-146b expression plasmid, and harvested exosomes released by the MSCs. Intra-tumor injection of exosomes derived from miR-146-expressing MSCs significantly reduced glioma xenograft growth in a rat model of primary brain tumor.
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