A team of Japanese scientists has announced that from a drop of blood they were able to clone their very first mouse, which went on to reproduce and live a normal lifespan.
Japanese researchers previously have cloned mice using cells from various sources, such as white blood cells found in the liver and lymph nodes, the Daily Mail reported.
This time, at the Riken BioResource Centre, blood cells were taken from a donor mouse's tail to make the cloned female mouse. Researchers then isolated the white blood cells and used the nuclei to do the cloning, employing the same procedure that created Dolly the sheep, BBC News reported.
The findings were published in the journal Biology of Reproduction, stating the researchers "demonstrated for the first time that mice could be cloned using the nuclei of peripheral blood cells."
Furthermore, the cells "could be used for cloning immediately after collection and no donor animals need to be euthanised," The Daily Mail reported.
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