The immunosuppressive signature of menstrual blood mesenchymal stem cells entails opposite effects on experimental arthritis and graft versus host diseases

Patricia Luz-Crawford, Maria J. Torres, Daniele Noël, Ainoa Fernandez, Karine Toupet, Francisca Alcayaga-Miranda, Gautier Tejedor, Christian Jorgensen, Sebastian E. Illanes, Fernando E. Figueroa, Farida Djouad, Maroun Khoury

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

Recently, a noninvasive and highly proliferative stem cell population from menstrual blood called MenSCs has been identified. Despite their use in clinical studies, their immunomodulatory properties have not yet been investigated. In this context, we studied the immunosuppressive properties of MenSCs in comparison with the well-characterized bone marrow derived-MSCs (BM-MSCs). Using an in vitro proliferation assays, we showed that MenSCs displayed a lower suppressive effect on peripheral blood mononuclear cells and in particular on the proinflammatory CD4+IFN-γ+ and CD8+IFNγ+ cells than BM-MSCs. Moreover, compared to BM-MSCs, MenSCs activated with IFN-γ and IL-1β produced lower amounts of immunosuppressive factors such as IDO, PDL-1, PGE2, and Activin A and exhibited a substantial lower expression level of IFN-γ receptor subunits. In the collagen induced arthritis model, while BM-MSCs administration resulted in a potent therapeutic effect associated with a significant decrease of proinflammatory T cell frequency in the lymph nodes, MenSCs injection did not. In contrast, in the xeno-GVHD model, only MenSCs administration significantly increased the survival of mice. This beneficial effect mediated by MenSCs was associated with a higher capacity to migrate into the intestine and liver and not to their anti-inflammatory capacities. All together our results demonstrate for the first time that the therapeutic potential of MSC in the experimental xeno-GVHD model is independent of their immunosuppressive properties. These findings should be taken into consideration for the development of safe and effective cell therapies.

Original languageEnglish
Pages (from-to)456-469
Number of pages14
JournalStem Cells
Volume34
Issue number2
DOIs
StatePublished - 1 Feb 2016
Externally publishedYes

Keywords

  • CIA
  • GVHD
  • Immunosuppression
  • Menstrual-blood derived MSCs

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