News of the WeekImmunology

Plant a Few Cells, Sprout a Thymus

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Science  21 Jun 2002:
Vol. 296, Issue 5576, pp. 2120-2121
DOI: 10.1126/science.296.5576.2120

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Two teams have found that a tiny subset of cells from a mouse embryo can be grown into a full-blown thymus and beget a healthy immune system in the recipient mice. The finding suggests that it might be relatively easy, as far as regenerating organs goes, to give a failing thymus a boost.