Abstract:
:Bone marrow-mesenchymal stem cells (BM-MSC) ameliorate renal dysfunction and repair tubular damage of acute kidney injury by locally releasing growth factors, including the insulin-like growth factor-1 (IGF-1). The restricted homing of BM-MSC at the site of injury led us to investigate a possible gene-based communication mechanism between BM-MSC and tubular cells. Human BM-MSC (hBM-MSC) released microparticles and exosomes (Exo) enriched in mRNAs. A selected pattern of transcripts was detected in Exo versus parental cells. Exo expressed the IGF-1 receptor (IGF-1R), but not IGF-1 mRNA, while hBM-MSC contained both mRNAs. R- cells lacking IGF-1R exposed to hBM-MSC-derived Exo acquired the human IGF-1R transcript that was translated in the corresponding protein. Transfer of IGF-1R mRNA from Exo to cisplatin-damaged proximal tubular cells (proximal tubular epithelial cell [PTEC]) increased PTEC proliferation. Coincubation of damaged PTEC with Exo and soluble IGF-1 further enhanced cell proliferation. These findings suggest that horizontal transfer of the mRNA for IGF-1R to tubular cells through Exo potentiates tubular cell sensitivity to locally produced IGF-1 providing a new mechanism underlying the powerful renoprotection of few BM-MSC observed in vivo.
journal_name
Stem Cells Devjournal_title
Stem cells and developmentauthors
Tomasoni S,Longaretti L,Rota C,Morigi M,Conti S,Gotti E,Capelli C,Introna M,Remuzzi G,Benigni Adoi
10.1089/scd.2012.0266subject
Has Abstractpub_date
2013-03-01 00:00:00pages
772-80issue
5eissn
1547-3287issn
1557-8534journal_volume
22pub_type
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journal_title:Stem cells and development
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journal_title:Stem cells and development
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journal_title:Stem cells and development
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journal_title:Stem cells and development
pub_type: 杂志文章
doi:10.1089/scd.2014.0243
更新日期:2015-03-01 00:00:00
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journal_title:Stem cells and development
pub_type: 杂志文章
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journal_title:Stem cells and development
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journal_title:Stem cells and development
pub_type: 杂志文章
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更新日期:2006-08-01 00:00:00
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journal_title:Stem cells and development
pub_type: 杂志文章
doi:10.1089/scd.2012.0279
更新日期:2013-02-01 00:00:00
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journal_title:Stem cells and development
pub_type: 杂志文章
doi:10.1089/scd.2012.0288
更新日期:2013-01-15 00:00:00
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journal_title:Stem cells and development
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更新日期:2015-08-01 00:00:00
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journal_title:Stem cells and development
pub_type: 杂志文章
doi:10.1089/scd.2006.0032
更新日期:2007-02-01 00:00:00
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journal_title:Stem cells and development
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更新日期:2013-09-15 00:00:00
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journal_title:Stem cells and development
pub_type: 杂志文章,评审
doi:10.1089/scd.2008.0062
更新日期:2008-06-01 00:00:00
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journal_title:Stem cells and development
pub_type: 杂志文章
doi:10.1089/scd.2013.0433
更新日期:2014-07-15 00:00:00
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journal_title:Stem cells and development
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doi:10.1089/scd.2014.0463
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journal_title:Stem cells and development
pub_type: 杂志文章
doi:10.1089/scd.2009.0304
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journal_title:Stem cells and development
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doi:10.1089/scd.2005.14.656
更新日期:2005-12-01 00:00:00
abstract::Recent evidence shows that amniotic fluid (AF) contains multiple cell types derived from the developing fetus, and may represent a novel source of stem cells for cell therapy. In this study, we examined the paracrine factors released by human amniotic fluid-derived mesenchymal stem cells (AF-MSCs) and their ability to...
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journal_title:Stem cells and development
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更新日期:2017-10-01 00:00:00
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journal_title:Stem cells and development
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doi:10.1089/scd.2011.0280
更新日期:2012-05-20 00:00:00
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journal_title:Stem cells and development
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journal_title:Stem cells and development
pub_type: 杂志文章
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更新日期:2012-05-20 00:00:00
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journal_title:Stem cells and development
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journal_title:Stem cells and development
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journal_title:Stem cells and development
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