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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2004-2-20
pubmed:abstractText
A dual-dye efflux strategy utilizing the supravital dyes Hoechst 33342 (Ho) and rhodamine 123 (Rh123) is described and illustrated for the detection and analysis of hematopoietic stem cells in murine bone marrow. Mononuclear cells from bone marrow cell suspensions were incubated in a cocktail of Rh123 plus Ho, and both dyes were effluxed by two 15-min incubations in dye-free buffer prior to sorting. Compared to our original prototype method in which Rh123, but not Ho, was effluxed, this dual-dye efflux protocol more rapidly and efficiently resolves the most primitive Hodull/Rhdull hematopoietic stem cells. Moreover, under conditions of optimal dual-dye uptake and efflux, Hodull/Rhdull cells map to the subfraction of side population (SP) cells with the highest efflux of Ho, which were previously demonstrated to possess the highest hematopoietic stem cell activity.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1064-3745
pubmed:author
pubmed:issnType
Print
pubmed:volume
263
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
181-200
pubmed:dateRevised
2005-11-17
pubmed:meshHeading
pubmed:year
2004
pubmed:articleTitle
Hematopoietic stem cell characterization by Hoechst 33342 and rhodamine 123 staining.
pubmed:affiliation
Stem Cell Research Laboratory, Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia.
pubmed:publicationType
Journal Article