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Dadun > Depósito Académico > CIMA (Centro de Investigación Médica Aplicada) > Área de Oncología > Terapia celular > DA - CIMA - Oncología - Terapia celular - Artículos de Revista >

Thymidine Analogs Are Transferred from Prelabeled Donor to Host Cells in the Central Nervous System After Transplantation: A Word of Caution
Autor(es) : Bruns, T. (T.C.)
Ortiz-Gonzalez, X.R. (Xilma R.)
Gutierrez-Perez, M. (María)
Keene, C.D. (C. D.)
Sharda, R. (Rohit)
Demorest, Z. (Z.L.)
Jiang, Y. (Y.)
Nelson-Holte, M. (Molly)
Soriano, M. (Mario)
Nakagawa, Y. (Yasushi)
Luquin, M.R. (María Rosario)
Garcia-Verdugo, J.M. (José Manuel)
Prosper, F. (Felipe)
Low, W.C. (Walter C.)
Verfaillie, C.M. (Catherine M.)
Palabras clave : Adult bone marrow stem cells
Label
Bromodeoxyuridine
Thymidine analog
Control
Transplantation
Neural differentiation
In vivo tracking
Fecha incorporación: 2006
Editorial : Wiley-Blackwell
Versión del editor: http://dx.doi.org/10.1634/stemcells.2005-0463
ISSN: 1549-4918
Cita: Burns, T. C., Ortiz-Gonzalez, X. R., Gutierrez-Perez, M., Keene, C. D. et al. Thymidine Analogs Are Transferred from Prelabeled Donor to Host Cells in the Central Nervous System After Transplantation: A Word of Caution. Stem Cells 2006; 24 (4): 1121–1127
Resumen
Thymidine analogs, including bromodeoxyuridine, chlorodeoxyuridine, iododeoxyuridine, and tritiated thymidine, label dividing cells by incorporating into DNA during S phase of cell division and are widely employed to identify cells transplanted into the central nervous system. However, the potential for transfer of thymidine analogs from grafted cells to dividing host cells has not been thoroughly tested. We here demonstrate that graft-derived thymidine analogs can become incorporated into host neural precursors and glia. Large numbers of labeled neurons and glia were found 3–12 weeks after transplantation of thymidine analog-labeled live stem cells, suggesting differentiation of grafted cells. Remarkably, however, similar results were obtained after transplantation of dead cells or labeled fibroblasts. Our findings reveal for the first time that thymidine analog labeling may not be a reliable means of identifying transplanted cells, particularly in highly proliferative environments such as the developing, neurogenic, or injured brain.
Enlace permanente: http://hdl.handle.net/10171/18353
Aparece en las colecciones: DA - CIMA - Oncología - Síndromes mieloproliferativos - Artículos de Revista
DA - CIMA - Oncología - Terapia celular - Artículos de Revista
DA - CUN - Área de Terapia Celular - Artículos de revista
DA - Medicina - Hematología - Artículos de revista

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