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Technology Development |
1 Neuronal Survival Unit, Department of Experimental Medical Science, Wallenberg Neuroscience Centre, Lund University, Lund, Sweden
2 Centre for Stem Cell Biology and Regenerative Medicine PRINCIPE FELIPE Centro de Investigacion, Valencia, Spain
* To whom correspondence should be addressed. E-mail: vanessa.hall{at}med.lu.se.
| Abstract |
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The development and transplantation of autologous cells derived from nuclear transfer embryonic stem cell (NT-ESC) lines to treat patients suffering disease has been coined Therapeutic Cloning. Human NT is still a developing field, with further research required to improve somatic cell NT, human embryonic stem cell (hESC) differentiation, in order to deliver safe and effective cell replacement therapies. Furthermore, implications of transferring mitochondrial heteroplasmic cells may harbour aberrant epigenetic gene expression profiles, which is of concern. The production of human NT-ESC lines also remains plagued by ethical dilemmas, societal concerns and controversies. Recently, a number of alternate therapeutic strategies have been proposed to circumvent the moral implications surrounding human nuclear transfer. It will be critical to overcome these biological, legislative and moral restraints in order to maximize the potential of this therapeutic strategy and to alleviate human disease.
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