Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1996-10-21
pubmed:abstractText
We used two independent in vitro assays to measure the frequency and proliferative potential of primitive hematopoietic progenitors from the cord blood of 23-41 wk of gestation newborns and adult bone marrow. The frequency of primitive progenitors in the circulating blood cells of infants at 23-31 wk of gestation was significantly greater than the frequency in adult bone marrow or cord blood of more mature newborns. In addition, on a cell to cell basis, the proliferative potential of the primitive progenitors form immature infants (23-31 wk) was greater than in adult bone marrow or cord blood of term newborns. Circulating cord blood cells from immature infants were used as targets for transduction with recombinant retrovirus vectors, and a high efficiency of gene transfer was observed in both primitive and committed progenitors. These data demonstrate that there are major ontogenic shifts in primitive progenitor/stem cell populations in the circulation throughout development as well as programmatic changes in hematopoietic progenitor cell proliferation. In addition, fetal cord blood cells may prove useful targets for genetic manipulation and autologous transplantation.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0031-3998
pubmed:author
pubmed:issnType
Print
pubmed:volume
39
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
820-5
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1996
pubmed:articleTitle
The highest concentration of primitive hematopoietic progenitor cells in cord blood is found in extremely premature infants.
pubmed:affiliation
Herman B Wells Research Center, Department of Pediatrics, Indiana University School of Medicine, Indianapolis 46202, USA.
pubmed:publicationType
Journal Article, In Vitro, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't