• Vol. 33 No. 5, 551–558
  • 15 September 2004

Haematopoietic Graft Engineering

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ABSTRACT

Although haematopoietic stem cell transplantation (HSCT) is a powerful treatment modality, it is a blunt instrument against cancer and diseases of the haematopoietic and immune system. Various techniques have been developed to engineer the haematopoietic stem cell (HSC) graft to enable it to perform its task more effectively. These techniques include the removal of cells which cause graft-versus-host disease (GVHD), the eradication of cells which might cause relapse, the expansion of donor cells when there is an inadequate cell dose, and the addition of selected cells to improve graft function. In this review, we will discuss each of these means of haematopoietic graft manipulation in turn and then touch on some regulatory requirements in the field of haematopoietic graft engineering. While the science is still prepubescent, it has passed its infancy and further developments in the next decade or so should allow it to be taken to a wider scale to benefit more patients.


Haematopoietic stem cell transplantation (HSCT) has become an established modality for the treatment of cancer and diseases of the bone marrow and immunological system. Such transplants effect their cures through 3 main avenues: namely, eradication of disease through intensive chemo/radiotherapy, replacement of defective blood-forming cells with normal haematopoietic progenitors and resetting of the immunological rheostat.

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