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题目:: Endothelial cells but not epithelial cells or cardiomyocytes are partially replaced by donor cells after allogeneic bone marrow and stem cell transplantation.
作者:: Bittmann(Iris),Hentrich(Markus),Bise(Karl),Kolb(Hans Jochem),Löhrs(Udo)
状态:: 发布时间2003-09-10 , 更新时间 2004-11-18
期刊:: J Hematother Stem Cell Res
摘要:: Recent studies have convincingly demonstrated that adult bone marrow contains cells capable of differentiating into a variety of cell types. To investigate whether such bone marrow-derived cells participate on self-renewal and proliferation of nonhematopoietic tissues, we studied tissue obtained by autopsy from female recipients after sex-mismatched allogeneic bone marrow and stem cell transplantation for the presence of donor-derived cells. Epithelial, endothelial, and smooth muscle cells and hematopoietic cells were characterized by double-staining immunohistochemistry with a panel of antibodies and nonisotopic in situ hybridization with a Y-chromosome-specific probe. The present study showed that the capillary endothelium was the only nonhematopoietic cell type that was replaced in a significant amount by donor cells after allogeneic stem cell and bone marrow transplantation. We could not demonstrate any participation of graft-derived cells on repopulation of cardiomyocytes or epithelial cells of the skin and gastrointestinal mucosa and of hepatocytes.
语言:: eng
DOI:: 10.1089/152581603322285999

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