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Hematopoietic stem and progenitor cell harvesting: technical advances and clinical utility

Authors Hequet O

Received 11 September 2014

Accepted for publication 6 November 2014

Published 18 February 2015 Volume 2015:6 Pages 55—67


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 5

Editor who approved publication: Dr Martin Bluth

Olivier Hequet1,2

1Etablissement Français du Sang Rhône Alpes, Apheresis Unit, Centre Hospitalier Lyon Sud France, 2Cell Therapy Unit, Etablissement Français du Sang (EFS) Rhône-Alpes, Hospital Edouard Herriot, Lyon, France

Abstract: Hematopoietic stem and progenitor cell (HSPC) transplantations require prior harvesting of allogeneic or autologous HSPCs. HSPCs are usually present in bone marrow (BM) during the entire life, in cord blood (CB) at birth, or in peripheral blood (PB) under particular circumstances. HSPCs were first harvested in BM and later in CB and PB, as studies showed interesting features of such grafts. All harvesting methods were in use throughout the years, except BM harvesting for HSPC autologous transplantation, which was replaced by PB harvesting. BM, CB, and PB harvesting methods have been developed, and materials and devices technically improved to increase the number of HSPCs harvested. In parallel, knowing the features of the donors or patients associated with successful numbers of HSPCs allows the adaptation of appropriate harvesting methods. Moreover, it is important to ensure the safety of donors or patients while harvesting. This review describes the methods used for harvesting based on recent studies or developments around these methods, and more particularly, the means developed to increase the numbers of HSPCs harvested in each method. It also explains briefly the influence of technical improvements in HSPC harvesting on potential changes in HSPC graft composition.

Keywords: hematopoietic stem cell, harvesting, cord blood, bone marrow, mobilization, peripheral blood, apheresis

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