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Deciphering developmental stages of adult myelopoiesis
Lund University.
Lund University.
Lund University.
Lund University.
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2008 (English)In: Cell Cycle, ISSN 1538-4101, E-ISSN 1551-4005, Vol. 7, no 6, 706-713 p.Article in journal (Refereed) Published
Abstract [en]

The ability to subfractionate minor cellular subsets by multiparameter flow cytometry and to evaluate such cells for functional properties has been used to ascertain lineal relationships and detail developmental hierarchies in the hematopoietic system for more than 20 years. However, steady advances in technology combined with the use of novel cell surface markers continues to redefine the developmental landscape as novel subpopulations are purified and characterized. We recently used such an approach to stage progenitor cell hierarchy involved in myeloid development with the use of two markers, Slamf1 and Endoglin that have recently been shown to be associated with hematopoietic stem cells. Here, we provide additional characterization of these cellular subsets to further refine their developmental potential. Little or no alterations in lineage potential were observed in these subsets when evaluated in a BCL2 transgenic setting or in response to various growth factor combinations, although BCL2 significantly enhanced their in vitro readout. Gene expression patterns of functionally opposing transcription factors that are known to play key roles for the appropriate development into separate myeloid lineages were associated with the functional activity of prospectively isolated subsets. Multiple genes traditionally associated with early lymphopoiesis were observed in early candidate granulocyte/monocyte, but not early megakaryocytic and/or erythroid progenitor cells. When functionally evaluated, such early granulocyte/monocyte precursors displayed a latent lymphoid activity, which was pronounced in subsets bearing high expression of the tyrosine kinase receptor FLT3. 

Place, publisher, year, edition, pages
2008. Vol. 7, no 6, 706-713 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-44373Local ID: 76414OAI: oai:DiVA.org:liu-44373DiVA: diva2:265235
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-12-13

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Sigvardsson, Mikael

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
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