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| Content Provider | PubMed Central |
|---|---|
| Author | Spyridonidis, Alexandros Annette, Schmitt-gräff Tomann, Tina Dwenger, Anne Follo, Marie Behringer, Dirk Finke, Jürgen |
| Copyright Year | 2004 |
| Abstract | Bone marrow transplantation in animals has been shown to generate epithelial populations, a phenomenon that has also recently been suggested to take place after human hematopoietic cell transplantation. However, reports in humans are not conclusive because they still leave open the possibility that the identified donor-derived cells are not epithelial cells but intraepithelial lymphocytes. Here, we demonstrate that donor-derived CD45+ hematopoietic cells in close contact with epithelial tissue may be falsely characterized as donor-derived epithelial cells if the three-dimensional structure of the tissue is not considered and the hematopoietic markers are not examined. By using a rigorous three-dimensional analysis on single sections of colon biopsies triple stained with donor-specific, epithelial-specific, and hematopoietic-specific markers we demonstrate that chimerism of colon epithelium is a real phenomenon occurring constantly after human hematopoietic cell transplantation. We exclude horizontal DNA transfer or cell fusion as the underlying mechanism of our findings. Tissue damage enhances the engraftment of the donor-derived epithelial cells. The physiological and therapeutical role of the donor-derived epithelial cells after human hematopoietic cell transplantation needs further investigation. However, their identification requires stringent and unequivocal detection systems. |
| Related Links | http://dx.doi.org/10.1016/s0002-9440(10)63203-8 |
| Ending Page | 1155 |
| Page Count | 9 |
| Starting Page | 1147 |
| File Format | |
| ISSN | 00029440 |
| e-ISSN | 15252191 |
| Journal | The American Journal of Pathology |
| Issue Number | 4 |
| Volume Number | 164 |
| Language | English |
| Publisher | American Society for Investigative Pathology |
| Publisher Date | 2004-04-01 |
| Access Restriction | Open |
| Rights Holder | American Society for Investigative Pathology |
| Subject Keyword | Pathology and Forensic Medicine Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pathology and Forensic Medicine |
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