SVF
Level D· Scientific groundwork from lab and animal studiesLaboratory StudyPubMedOpen access

Jagged-2 enhances immunomodulatory activity in adipose derived mesenchymal stem cells.

Xishan Z., Bin Z., Haiyue Z., Xiaowei D., Jingwen B., Guojun Z.

Laboratory Study on Immune Modulation, published in Sci Rep (2015) — summary generated from the PubMed abstract.

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Level D· Scientific groundwork from lab and animal studiesEvidence level of this study

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

  • Level A · Stronger Clinical Evidence
  • Level B · Emerging clinical evidence with positive signals
  • Level C · Early human research exploring benefits
  • Level D · Scientific groundwork from lab and animal studies
  • Emerging · Emerging topic under active research
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This page is generated from the PubMed record. The Thai description is an automated summary of bibliographic fields and the abstract, not a full translation, and is not medical advice.

Study type
Laboratory Study
Journal
Sci Rep (2015)
Country
England
Reported sample size
—
Source database
PubMed
PMID
26412454
PMCID
PMC4585933
DOI
10.1038/srep14284
Citations
13

Abstract (original English)

Adipose derived Mesenchymal stem cells (AMSCs) are able to expand in vitro and undergo differentiation into multiple cell lineages, yet have low immunogenicity while exhibiting several immunoregulatory characteristics. We sought to investigate the immunomodulatory mechanisms of AMSCs to better understand their immunogenic properties. Following 10 days of chondrogenic differentiation or 48 hours of IFN-γ pretreatment, AMSCs retained low level immunogenicity but prominent immunoregulatory activity and AMSC immunogenicity was enhanced by chondrogenic differentiation or IFN-γ treatment. We found Jagged-2 expression was significantly elevated following chondrogenic differentiation or IFN-γ pretreatment. Jagged-2-RNA interference experiments suggested that Jagged-2-siRNA2 suppresses Jagged-2 expression during chondrogenic differentiation and in IFN-γ pretreated AMSCs. Besides, Jagged-2 interference attenuated immunosuppressive activity by mixed lymphocyte culture and mitogen stimulation experiments. So, the immunoregulatory activity of AMSCs, to some extent dependent upon Jagged-2, might be stronger after multilineage differentiation or influence from inflammatory factors. This may also be why rejection does not occur after allogeneic AMSCs differentiate into committed cells.

What this study does not prove

  • • This study does not prove SVF is an approved treatment or a replacement for standard care.
  • • This is preclinical work; animal or laboratory results cannot be applied to humans.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

How we grade evidence
Adipose TissueApoptosisCell CommunicationCell DifferentiationCell MovementChondrogenesisCytokinesGene ExpressionHumansImmunomodulation
Immune Modulation
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