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New light on the biology and developmental potential of haematopoietic stem cells and progenitor cells.
Linköping University, Department of Clinical and Experimental Medicine, Experimental Hematology . Linköping University, Faculty of Health Sciences.
2009 (English)In: Journal of internal medicine, ISSN 1365-2796, Vol. 266, no 4, 311-324 p.Article in journal (Refereed) Published
Abstract [en]

Even though stem cells have been identified in several tissues, one of the best understood somatic stem cells is the bone marrow residing haematopoietic stem cell (HSC). These cells are able to generate all types of blood cells found in the periphery over the lifetime of an animal, making them one of the most profound examples of tissue-restricted stem cells. HSC therapy also represents one of the absolutely most successful cell-based therapies applied both in the treatment of haematological disorders and cancer. However, to fully explore the clinical potential of HSCs we need to understand the molecular regulation of cell maturation and lineage commitment. The extensive research effort invested in this area has resulted in a rapid development of the understanding of the relationship between different blood cell lineages and increased understanding for how a balanced composition of blood cells can be generated. In this review, several of the basic features of HSCs, as well as their multipotent and lineage-restricted offspring, are addressed, providing a current view of the haematopoietic development tree. Some of the basic mechanisms believed to be involved in lineage restriction events including activities of permissive and instructive external signals are also discussed, besides transcription factor networks and epigenetic alterations to provide an up-to-date view of early haematopoiesis.

Place, publisher, year, edition, pages
2009. Vol. 266, no 4, 311-324 p.
Keyword [en]
blood cells • development • hematopoiesis • stem cells
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-21336DOI: 10.1111/j.1365-2796.2009.02154.xPubMedID: 19765177OAI: diva2:241079
Available from: 2009-10-01 Created: 2009-10-01 Last updated: 2009-10-01

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Sigvardsson, Mikael
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Experimental Hematology Faculty of Health Sciences
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