Transplantation and differentiation of donor cells in the cloned pigs

Biochemical and Biophysical Research Communications
Arata ShimadaHiroshi Nagashima

Abstract

The application of nuclear transfer technology is an interesting approach to investigate stem and progenitor cell transplantation therapy. If stem cells are used as a nuclear donor, donor cells can engraft into cloned animals without histocompatible problems. However, it is still uncertain whether donor cells can engraft to cloned animal and differentiate in vivo. To address this problem, we transplanted donor cells to dermal tissues of cloned pigs developed by using preadipocytes as donor cells. Preadipocytes are adipocytic progenitor which can differentiate to mature adipocytes in vitro. We showed that the donor preadipocytes were successfully transplanted into the cloned pigs without immune rejection and they differentiated into mature adipocytes in vivo 3 weeks after transplantation. In contrast, allogenic control preadipocytes, which can differentiate in vitro, did not differentiate in vivo. These results indicate that donor progenitor cells can differentiate in cloned animal.

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Citations

Dec 17, 2009·Journal of Cellular Biochemistry·Hiroyuki Nobusue, Koichiro Kano
Oct 21, 2016·The Journal of Reproduction and Development·Masaki NagayaHiroshi Nagashima

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