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Viruses 2013, 5(12), 2946-2962; doi:10.3390/v5122946
Review

Genetic Modification of Hematopoietic Stem Cells as a Therapy for HIV/AIDS

1
, 1
 and 1,2,*
Received: 17 October 2013; in revised form: 18 November 2013 / Accepted: 19 November 2013 / Published: 28 November 2013
(This article belongs to the Special Issue Gene Therapy for Retroviral Infections)
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Abstract: The combination of genetic modification and hematopoietic stem cell (HSC) transplantation may provide the necessary means to develop an alternative treatment option to conventional antiretroviral therapy. As HSCs give rise to all hematopoietic cell types susceptible to HIV infection, modification of HSCs is an ideal strategy for the development of infection-resistant immune cell populations. Although promising results have been obtained in multiple animal models, additional evidence is needed to convincingly demonstrate the feasibility of this approach as a treatment of HIV-1 infected patients. Here, we review the potential of HSC transplantation and the recently identified limitations of this approach. Using the Berlin Patient as a model for a functional cure, we contrast the confines of autologous versus allogeneic transplantation. Finally, we suggest that although autologous, gene-modified HSC-transplantation may significantly reduce plasma viremia, reaching the lower detection limits currently obtainable through daily HAART will remain a challenging endeavor that will require innovative combinatorial therapies.
Keywords: HIV/AIDS; Gene Therapy; Stem Cell Transplantation HIV/AIDS; Gene Therapy; Stem Cell Transplantation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Younan, P.; Kowalski, J.; Kiem, H.-P. Genetic Modification of Hematopoietic Stem Cells as a Therapy for HIV/AIDS. Viruses 2013, 5, 2946-2962.

AMA Style

Younan P, Kowalski J, Kiem H-P. Genetic Modification of Hematopoietic Stem Cells as a Therapy for HIV/AIDS. Viruses. 2013; 5(12):2946-2962.

Chicago/Turabian Style

Younan, Patrick; Kowalski, John; Kiem, Hans-Peter. 2013. "Genetic Modification of Hematopoietic Stem Cells as a Therapy for HIV/AIDS." Viruses 5, no. 12: 2946-2962.



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