Somatic cell nuclear transfer in its first and second decades: successes, setbacks, paradoxes and perspectives
by
Vajta G.
Institute of Genetics and Biotechnology,
Faculty of Agricultural Sciences,
University of Aarhus,
Blichers Allé 20,
Postboks 50, DK-8830 Tjele, Denmark.
gabor.vajta@agrsci.dk
Reprod Biomed Online. 2007 Nov;15(5):582-90.

ABSTRACT

The present review gives a subjective outline of the past and future of somatic cell nuclear transfer (SCNT). The first decade was full of contradictions: amazing successes were followed by frustrating fiascos. Although the possibility of reversing somatic cell differentiation completely is a more or less acknowledged fact, the underlying mechanisms are obscure. Consequently, the advancement has been mostly empirical and rather slow. Efficiency is slowly increasing in some species while stagnating in others, and the technology is too expensive for most practical purposes. The number of cloning laboratories is rather small, and those with reasonable productivity are extremely rare. SCNT research is underfinanced because of the atmosphere of suspicion surrounding cloning and the controversial reputation of cloners. However, certain signs may indicate a more successful next decade. In some species, technical refinements have resulted in a considerable decrease in developmental anomalies. Even the actual efficiency seems to be suitable for special purposes with high scientific and commercial impact including transgenic domestic animal production for human disease models, xenotransplantation and biopharming. Human therapeutic cloning is now a realistic perspective, and certain responsible scientists have started to question the reasonableness of an eternal ban for human reproductive cloning. Just one fulfilled goal out of the many promises of SCNT would justify the invested efforts.

WGA-PGD
Biohappiness
Eugenics talk
Reprogenetics
Private eugenics
'Saviour siblings'
Personal genomics
Psychiatric genetics
Human self-domestication
Selecting potential children
Genetic moral enhancement
Preimplantation genetic diagnosis
Transhumanism/Brave New World?
'The Principle of Procreative Beneficience'
Gene therapy and performance enhancement
Transhumanism (H+): toward a Brave New World?

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