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Illegal Beings: Human Clones
Production of mouse by inter-strain inner cell mass replac
Zheng YL, Jiang MX, OuYang YC, Sun QY, Chen DYZygote. 2005 Feb;13(1):73-7..
State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, People's Republic of China.
The developmental ability of reconstructed blastocysts from C57BL/6 strain mouse inner cell masses (ICMs) and Kunming strain mouse trophoblasts was assessed. The procedure of ICM replacement was as follows: C57BL/6 ICMs were separated from the blastocysts using immunosurgery. A slit was made in the zona pellucida of a Kunming blastocyst to allow its ICM to extrude. The C57BL/6 ICM was injected into the Kunming blastocoele, and the extruded Kunming ICM was cut off. The reconstructed blastocysts were able to re-expand (77%) and hatch (27.3%) in vitro. A total of 64 reconstructed blastocysts and 124 Kunming blastocysts were co-transferred into the uteri of 11 pseudopregnant Kunming mice, and an ICM replacement offspring was born. The results indicate that reconstructed embryos obtained by inter-strain ICM replacement have the ability to develop to term. This technique may provide a method to solve the pregnancy failure in interspecific cloning.
This Message is being posted for educational purposes, as well as for comment and criticism, by the visitors to the HumanCloning.org Foundation website (http://www.humancloning.org ).
Disclaimer: This abstract is being posted for educational purposes, as well as for comment and criticism, by the visitors to the Human Cloning Foundation website (www.HumanCloning.org ). This abstract is representative of a larger article that is indexed on Medline.
The Human Cloning Foundation was established February, 1988. .
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