Abstract:
:Recent clinical trials show the efficacy of Adipose-derived Stromal Cells (ASCs) in contrasting the osteoarthritis scenario. Since it is quite accepted that ASCs act predominantly through a paracrine mechanism, their secretome may represent a valid therapeutic substitute. The aim of this study was to investigate the effects of ASC conditioned medium (ASC-CM) on TNFα-stimulated human primary articular chondrocytes (CHs). CHs were treated with 10 ng/ml TNFα and/or ASC-CM (1:5 recipient:donor cell ratio). ASC-CM treatment blunted TNFα-induced hypertrophy, reducing the levels of Osteocalcin (-37%), Collagen X (-18%) and MMP-13 activity (-61%). In addition, it decreased MMP-3 activity by 59%. We showed that the reduction of MMP activity correlates to the abundance of TIMPs (Tissue Inhibitors of MMPs) in ASC secretome (with TIMP-1 exceeding 200 ng/ml and TIMP-2/3 in the ng/ml range) rather than to a direct down-modulation of the expression and/or release of these proteases. In addition, ASC secretome contains high levels of other cartilage protecting factors, i.e. OPG and DKK-1. ASC-CM comprises cartilage-protecting factors and exerts anti-hypertrophic and anti-catabolic effects on TNFα-stimulated CHs in vitro. Our results support a future use of this cell-derived but cell-free product as a therapeutic approach in the management of osteoarthritis.
journal_name
Stem Cell Resjournal_title
Stem cell researchauthors
Niada S,Giannasi C,Gomarasca M,Stanco D,Casati S,Brini ATdoi
10.1016/j.scr.2019.101463subject
Has Abstractpub_date
2019-07-01 00:00:00pages
101463eissn
1873-5061issn
1876-7753pii
S1873-5061(19)30093-5journal_volume
38pub_type
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journal_title:Stem cell research
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journal_title:Stem cell research
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journal_title:Stem cell research
pub_type: 杂志文章
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journal_title:Stem cell research
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pub_type: 杂志文章
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abstract:OBJECTIVE:Fecal incontinence reduces the quality of life of many women but has no long-term cure. Research on mesenchymal stem cell (MSC)-based therapies has shown promising results. The primary aim of this study was to evaluate functional recovery after treatment with MSCs in two animal models of anal sphincter injury...
journal_title:Stem cell research
pub_type: 杂志文章
doi:10.1016/j.scr.2012.10.002
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journal_title:Stem cell research
pub_type: 杂志文章
doi:10.1016/j.scr.2017.11.018
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journal_title:Stem cell research
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doi:10.1016/j.scr.2015.12.010
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journal_title:Stem cell research
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journal_title:Stem cell research
pub_type: 杂志文章
doi:10.1016/j.scr.2015.08.006
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journal_title:Stem cell research
pub_type: 杂志文章
doi:10.1016/j.scr.2017.11.009
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journal_title:Stem cell research
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journal_title:Stem cell research
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journal_title:Stem cell research
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journal_title:Stem cell research
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journal_title:Stem cell research
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journal_title:Stem cell research
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journal_title:Stem cell research
pub_type: 杂志文章
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journal_title:Stem cell research
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