... ) * These authors contributed equally to this work © The Company of Biologists Limited 2005 2005 SP Sca1 LRC Stem cells α6-integrin ER Recent discoveries regarding the isolation and characterization of stem cells, the understanding of signaling pathways involved in their self-renewal...

... at a frequency of 0.83%. Widefield and confocal microscopy revealed donor cells that expressed cytokeratins, indicative of cells of an epithelial nature. These results imply that SP haematopoietic stem cells from the bone marrow do not have the ability to contribute to airway epithelia themselves but require...