Document Detail

Microvesicles derived from human bone marrow mesenchymal stem cells inhibit tumor growth.
MedLine Citation:
PMID:  23034046     Owner:  NLM     Status:  Publisher    
Mesenchymal stem cells (MSCs) have opposite effects on tumor growth, being able either to favour angiogenesis and tumor initiation or to inhibit progression of established tumors. Factors produced by MSCs within the tumor microenvironment may be relevant for their biological effects. Recent studies demonstrated that microvesicles (MVs) are an integral component of inter-cellular communication within the tumor microenvironment. In the present study, we evaluated whether MVs derived from human bone marrow MSCs may stimulate or inhibit in vitro and in vivo growth of HepG2 hepatoma, Kaposi's sarcoma and Skov-3 ovarian tumour cell lines. We found that MVs inhibited cell cycle progression in all cell lines and induced apoptosis in HepG2 and Kaposi's cells and necrosis in Skov-3. The observed activation of negative regulators of cell cycle may explain these biological effects. In vivo intra-tumor administration of MVs in established tumors generated by subcutaneous injection of these cell lines in SCID mice significantly inhibited tumor growth. In conclusion, MVs from human MSCs inhibited in vitro cell growth and survival of different tumor cell lines and in vivo progression of established tumors.
Stefania Bruno; Federica Collino; Maria Chiara Deregibus; Cristina Grange; Ciro Tetta; Giovanni Camussi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-3
Journal Detail:
Title:  Stem cells and development     Volume:  -     ISSN:  1557-8534     ISO Abbreviation:  Stem Cells Dev.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101197107     Medline TA:  Stem Cells Dev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
University of Torino, Dept. of Internal Medicine, Torino, Italy;
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