scholarly journals Equine umbilical cord blood contains a population of stem cells that express Oct4 and differentiate into mesodermal and endodermal cell types

2008 ◽  
Vol 215 (2) ◽  
pp. 329-336 ◽  
Author(s):  
Sarah A. Reed ◽  
Sally E. Johnson
Keyword(s):  
Stem Cells ◽  
Cord Blood ◽  
Umbilical Cord ◽  
Umbilical Cord Blood ◽  
Cell Types ◽  
Endodermal Cell

Isolation of multipotent mesenchymal stem cells from umbilical cord blood

Blood ◽  
2004 ◽  
Vol 103 (5) ◽  
pp. 1669-1675 ◽  
Author(s):  
Oscar K. Lee ◽  
Tom K. Kuo ◽  
Wei-Ming Chen ◽  
Kuan-Der Lee ◽  
Shie-Liang Hsieh ◽  
...  
Keyword(s):  
Stem Cells ◽  
Bone Marrow ◽  
Mesenchymal Stem Cells ◽  
Cord Blood ◽  
Umbilical Cord ◽  
Umbilical Cord Blood ◽  
Cell Types ◽  
Alternative Source ◽  
Differentiation Potential ◽  
Hematopoietic Stem

AbstractIt is well accepted that umbilical cord blood has been a source for hematopoietic stem cells. However, controversy exists as to whether cord blood can serve as a source of mesenchymal stem cells, which can differentiate into cells of different connective tissue lineages such as bone, cartilage, and fat, and little success has been reported in the literature about the isolation of such cells from cord blood. Here we report a novel method to obtain single cell-derived, clonally expanded mesenchymal stem cells that are of multilineage differentiation potential by negative immunoselection and limiting dilution. The immunophenotype of these clonally expanded cells is consistent with that reported for bone marrow mesenchymal stem cells. Under appropriate induction conditions, these cells can differentiate into bone, cartilage, and fat. Surprisingly, these cells were also able to differentiate into neuroglial- and hepatocyte-like cells under appropriate induction conditions and, thus, these cells may be more than mesenchymal stem cells as evidenced by their ability to differentiate into cell types of all 3 germ layers. In conclusion, umbilical cord blood does contain mesenchymal stem cells and should not be regarded as medical waste. It can serve as an alternative source of mesenchymal stem cells to bone marrow.

Hoechst dye efflux reveals a novel CD7+CD34− lymphoid progenitor in human umbilical cord blood

Blood ◽  
2000 ◽  
Vol 96 (6) ◽  
pp. 2125-2133 ◽  
Author(s):  
Robert W. Storms ◽  
Margaret A. Goodell ◽  
Alan Fisher ◽  
Richard C. Mulligan ◽  
Clay Smith
Keyword(s):  
Stem Cells ◽  
Cord Blood ◽  
Umbilical Cord ◽  
Umbilical Cord Blood ◽  
Large Population ◽  
Lymphoid Cells ◽  
Human Umbilical Cord Blood ◽  
Human Umbilical Cord ◽  
Hematopoietic Stem ◽  
Cd34 Cells

Abstract A novel Hoechst 33342 dye efflux assay was recently developed that identifies a population of hematopoietic cells termed side population (SP) cells. In the bone marrow of multiple species, including mice and primates, the SP is composed primarily of CD34−cells, yet has many of the functional properties of hematopoietic stem cells (HSCs). This report characterizes SP cells from human umbilical cord blood (UCB). The SP in unfractionated UCB was enriched for CD34+ cells but also contained a large population of CD34− cells, many of which were mature lymphocytes. SP cells isolated from UCB that had been depleted of lineage-committed cells (Lin− UCB) contained CD34+ and CD34− cells in approximately equivalent proportions. Similar to previous descriptions of human HSCs, the CD34+Lin− SP cells were CD38dimHLA-DRdimThy-1dimCD45RA−CD71−and were enriched for myelo-erythroid precursors. In contrast, the CD34−Lin− SP cells were CD38−HLA-DR−Thy-1−CD71−and failed to generate myelo-erythroid progeny in vitro. The majority of these cells were CD7+CD11b+CD45RA+, as might be expected of early lymphoid cells, but did not express other lymphoid markers. The CD7+CD34−Lin− UCB SP cells did not proliferate in simple suspension cultures but did differentiate into natural killer cells when cultured on stroma with various cytokines. In conclusion, the human Lin− UCB SP contains both CD34+ multipotential stem cells and a novel CD7+CD34−Lin− lymphoid progenitor. This observation adds to the growing body of evidence that CD34− progenitors exist in humans.

Collection, processing and testing of bone, corneas, umbilical cord blood and haematopoietic stem cells by European Blood Alliance members

Vox Sanguinis ◽  
2013 ◽  
Vol 105 (4) ◽  
pp. 346-354 ◽  
Author(s):  
M. Närhi ◽  
O. Natri ◽  
I. Desbois ◽  
D. Kinggaard Holm ◽  
G. Galea ◽  
...  
Keyword(s):  
Stem Cells ◽  
Cord Blood ◽  
Umbilical Cord ◽  
Umbilical Cord Blood ◽  
Haematopoietic Stem Cells
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