A brief history of haemotopoietic stem cell Ex vivo expansion
Haematopoiesis is the process by which a hierarchy of mature and progenitor blood cells are formed. These cell populations are all derived from multipotent haematopoietic stem cells (HSC), which reside in the bone marrow ‘niche’ of adult humans. Over the lifetime of a healthy individual, this HSC population replenishes between 1010-1011 blood cells on a daily basis. Dysregulation of this system can lead to a number of haematopoietic diseases, including aplastic anaemias and leukaemias, which result in, or require for disease resolution, bone marrow cell depletion. In 1956, E. Donnall Thomas demonstrated that haematopoiesis could be restored by transplanting bone marrow-derived cells from one man into his identical twin brother, who was suffering from advanced leukaemia. His success drew significant interest in academic research and medicine communities, and 12 years later, the first successful allogeneic transplant was performed. To this day, HSCs remain the most studied and characterised stem cell population. In fact, HSCs are the only stem cell population routinely utilised in the clinic. As such, HSCs function as a model system both for the biological investigation of stem cells, as well as for their clinical application. Herein, we briefly review HSC transplantation, strategies for the ex vivo cultivation of HSCs, recent clinical outcomes, and their impact on the future direction of HSC transplantation therapy.
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|Item Type:||Journal Article|
|Additional Information:||Invited Commentary, part of Special Technical Feature "Tissue Engineering: Moving Beyond the Hype and Towards Reality" edited by Zee Upton.|
|Keywords:||Stem cells, Haematology, Bioreactors, Tissue Engineering|
|Subjects:||Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > MEDICAL BIOTECHNOLOGY (100400)|
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > MEDICAL BIOTECHNOLOGY (100400) > Regenerative Medicine (incl. Stem Cells and Tissue Engineering) (100404)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CARDIOVASCULAR MEDICINE AND HAEMATOLOGY (110200) > Haematology (110202)
|Divisions:||Past > Schools > Cell & Molecular Biosciences|
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > Institutes > Institute of Health and Biomedical Innovation
|Deposited On:||19 Jan 2012 08:39|
|Last Modified:||19 Jan 2012 08:40|
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