Lineage tracing of stem cells decades after blood and bone-marrow transplantation


  • RESEARCH BRIEFINGS

In individuals receiving an allogeneic haematopoietic cell transplant, stem cells in the bone marrow, which give rise to blood and immune cells, are replaced with those from a donor. Genome-sequencing analyses in donor–recipient pairs years after transplantation show an accelerated loss of clonal diversity in the blood stem cells of recipients compared with those of donors.



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