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Donor mesenchymal stem cells trigger chronic graft-versus-host disease following minor antigen-mismatched bone marrow transplantation Nature Precedings
Yoko Ogawa; Satoru Morikawa; Hideyuki Okano; Yo Mabuchi; Sadafumi Suzuki; Tomonori Yaguchi; Saori Yaguchi; Takaaki Inaba; Shinichiro Okamoto; Yutaka Kawakami; Kazuo Tsubota; Shigeto Shimmura; Yumi Matsuzaki.
Chronic graft-versus-host disease (cGVHD) is a complication after minor antigen mismatched bone marrow transplantation (BMT) characterized by an autoimmune-type reaction in various organs. Aberration in T cell regulation is involved, with donor mesenchymal stem cells (MSCs) playing a possible role in immunomodulation. In a minor-antigen mismatched mouse BMT model, transplantation of mismatched, but not syngeneic MSCs triggered the onset of cGVHD, and was associated with fibrosis, increased IL-6 secretion, decreased Foxp3+ regulatory T cells and increased Th17 in the peripheral blood. Mismatched MSCs alone were sufficient to induce cGVHD, while removal of donor MSCs rescued mice from cGVHD. RAG2 knockout recipient mice did not suffer cGVHD, indicating that...
Tipo: Manuscript Palavras-chave: Biotechnology; Immunology.
Ano: 2012 URL: http://precedings.nature.com/documents/6843/version/1
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