Ageing: cloning of mice to six generations

T Wakayama, Y Shinkai, K L K Tamashiro, H Niida, D C Blanchard, R J Blanchard, A Ogura, K Tanemura, M Tachibana, Anthony C F Perry, D F Colgan, P Mombaerts, R Yanagimachi

Research output: Contribution to journalArticle

195 Citations (Scopus)

Abstract

Mice have been cloned by nuclear transfer into enucleated oocytes and here we describe the reiterative cloning of mice to four and six generations in two independent lines. Successive generations showed no signs of prematureageing, as judged by gross behavioural parameters, and there was no evidence of shortening of telomeres at the ends of chromosomes, normally an indicator of cellular senescence — in fact, these appeared to increase slightly in length. This increase is surprising, given that the number of mitotic divisions greatly exceeds that of sexually produced animals and that any deleterious effects of cloning might be expected to be amplified in sequentially cloned mice. Our results offer a new approach to the study of organismal ageing.
LanguageEnglish
Pages318-319
Number of pages2
JournalNature
Volume407
Issue number6802
DOIs
StatusPublished - 2000

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mice
telomeres
shortenings
oocytes
chromosomes
animals
cell senescence

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Wakayama, T., Shinkai, Y., Tamashiro, K. L. K., Niida, H., Blanchard, D. C., Blanchard, R. J., ... Yanagimachi, R. (2000). Ageing: cloning of mice to six generations. Nature, 407(6802), 318-319. https://doi.org/10.1038/35030301

Ageing: cloning of mice to six generations. / Wakayama, T; Shinkai, Y; Tamashiro, K L K; Niida, H; Blanchard, D C; Blanchard, R J; Ogura, A; Tanemura, K; Tachibana, M; Perry, Anthony C F; Colgan, D F; Mombaerts, P; Yanagimachi, R.

In: Nature, Vol. 407, No. 6802, 2000, p. 318-319.

Research output: Contribution to journalArticle

Wakayama, T, Shinkai, Y, Tamashiro, KLK, Niida, H, Blanchard, DC, Blanchard, RJ, Ogura, A, Tanemura, K, Tachibana, M, Perry, ACF, Colgan, DF, Mombaerts, P & Yanagimachi, R 2000, 'Ageing: cloning of mice to six generations', Nature, vol. 407, no. 6802, pp. 318-319. https://doi.org/10.1038/35030301
Wakayama T, Shinkai Y, Tamashiro KLK, Niida H, Blanchard DC, Blanchard RJ et al. Ageing: cloning of mice to six generations. Nature. 2000;407(6802):318-319. https://doi.org/10.1038/35030301
Wakayama, T ; Shinkai, Y ; Tamashiro, K L K ; Niida, H ; Blanchard, D C ; Blanchard, R J ; Ogura, A ; Tanemura, K ; Tachibana, M ; Perry, Anthony C F ; Colgan, D F ; Mombaerts, P ; Yanagimachi, R. / Ageing: cloning of mice to six generations. In: Nature. 2000 ; Vol. 407, No. 6802. pp. 318-319.
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