Abstract:
:Although accumulating evidence has linked mesenchymal stem cells (MSCs) with tumor growth, the underlying mechanisms are poorly understood. Here, we demonstrated for the first time that human umbilical cord MSCs (hUCMSCs) dramatically increased the growth of lung adenocarcinoma (LUAD) cancer cells in a xenograft tumor model. Then, we observed that hUCMSC-derived extracellular vesicles (hUCMSC-EVs) contribute to the hUCMSC-promoted LUAD cell growth through a direct effect on LUAD cells. Furthermore, we showed that hUCMSC-EV-mediated LUAD growth is associated with increased proliferation and decreased apoptosis in LUAD cells, concomitant with reduced PTEN expression mediated by the hUCMSC-EV-transmitted miR-410. Our findings provide novel insights into the intercellular communications between cancer cells and MSCs through MSC-EV-miRNA and suggest that modification of hUCMSC-EVs might be an attractive therapeutic option for the clinical application of hUCMSC-EVs that would reduce unwanted side effects.
journal_name
Cell Death Disjournal_title
Cell death & diseaseauthors
Dong L,Pu Y,Zhang L,Qi Q,Xu L,Li W,Wei C,Wang X,Zhou S,Zhu J,Wang X,Liu F,Chen X,Su Cdoi
10.1038/s41419-018-0323-5subject
Has Abstractpub_date
2018-02-13 00:00:00pages
218issue
2issn
2041-4889pii
10.1038/s41419-018-0323-5journal_volume
9pub_type
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