期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 111, 期 47, 页码 16766-16771出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1416121111
关键词
neutrophils; gender; myeloperoxidase; MPO
资金
- NIH [P40OD011050]
- Cancer Prevention and Research Institute of Texas
Human mesenchymal stem/progenitor cells (hMSCs) from bone marrow and other tissues are currently being administered to large numbers of patients even though there are no biomarkers that accurately predict their efficacy in vivo. Using a mouse model of chemical injury of the cornea, we found that bone-marrow-derived hMSCs isolated from different donors varied widely in their efficacy in modulating sterile inflammation. Importantly, RT-PCR assays of hMSCs for the inflammation-modulating protein TSG-6 expressed by the TNF alpha-stimulated gene 6 (TSG-6 or TNFAIP6) predicted their efficacy in sterile inflammation models for corneal injury, sterile peritonitis, and bleomycin-induced lung injury. In contrast, the levels of TSG-6 mRNA were negatively correlated with their potential for osteogenic differentiation in vitro and poorly correlated with other criteria for evaluating hMSCs. Also, a survey of a small cohort suggested that hMSCs from female donors compared with male donors more effectively suppressed sterile inflammation, expressed higher levels of TSG-6, and had slightly less osteogenic potential.
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