Suppression effect on IFN-γ of adipose tissue-derived mesenchymal stem cells isolated from β2-microglobulin-deficient mice

Junko Masuda, Eiji Takayama, Tatsuo Ichinohe, Warren Strober, Masako Mizuno-Kamiya, Tomokatsu Ikawa, Atsushi Kitani, Harumi Kawaki, Ivan Fuss, Hiroshi Kawamoto, Akimasa Seno, Arun Vaidyanath, Naoki Umemura, Akifumi Mizutani, Tomonari Kasai, Yasuko Honjo, Ayano Satoh, Hiroshi Murakami, Yoshimoto Katsura, Nobuo KondohMasaharu Seno

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2 Citations (Scopus)


Administration of bone marrow-derived mesenchymal stem cells (MSCs) is a possible treatment for graft-versus-host disease (GVHD) following allogeneic hematopoietic stem cell transplantation and other inflammatory conditions. To address the mechanism of immunosuppression by MSCs, in particular those derived from adipose tissue (AMSCs), AMSCs were isolated from three different mouse strains, and the suppressive capacity of the AMSCs thus obtained to suppress interferon (IFN)-γ generation in mixed lymphocyte reaction cultures serving as an in vitro model of GVHD were assessed. It was revealed that the AMSCs had a potent capacity to suppress IFN-γ production regardless of their strain of origin and that such suppression was not associated with production of interleukin-10. In addition, the results demonstrated that β2-microglobulin (β2m)-deficient AMSCs from β2m-/- mice were also potent suppressor cells, verifying the fact that the mechanism underlying the suppression by AMSCs is independent of major histocompatibility complex (MHC) class I expression or MHC compatibility. As AMSCs appear to have immunosuppressive properties, AMSCs may be a useful source of biological suppressor cells for the control of GVHD in humans.

Original languageEnglish
Pages (from-to)4277-4282
Number of pages6
JournalExperimental and Therapeutic Medicine
Issue number5
Publication statusPublished - 11-2018

All Science Journal Classification (ASJC) codes

  • Immunology and Microbiology (miscellaneous)
  • Cancer Research


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